2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
1002 while(q = strchr(p, SLASH)) p = q+1;
1003 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1004 if(engineDir[0] != NULLCHAR) {
1005 ASSIGN(appData.directory[i], engineDir); p = engineName;
1006 } else if(p != engineName) { // derive directory from engine path, when not given
1008 ASSIGN(appData.directory[i], engineName);
1010 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1011 } else { ASSIGN(appData.directory[i], "."); }
1012 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1014 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1015 snprintf(command, MSG_SIZ, "%s %s", p, params);
1018 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1019 ASSIGN(appData.chessProgram[i], p);
1020 appData.isUCI[i] = isUCI;
1021 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1022 appData.hasOwnBookUCI[i] = hasBook;
1023 if(!nickName[0]) useNick = FALSE;
1024 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1028 q = firstChessProgramNames;
1029 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1030 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1031 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1032 quote, p, quote, appData.directory[i],
1033 useNick ? " -fn \"" : "",
1034 useNick ? nickName : "",
1035 useNick ? "\"" : "",
1036 v1 ? " -firstProtocolVersion 1" : "",
1037 hasBook ? "" : " -fNoOwnBookUCI",
1038 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1039 storeVariant ? " -variant " : "",
1040 storeVariant ? VariantName(gameInfo.variant) : "");
1041 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1042 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1043 if(insert != q) insert[-1] = NULLCHAR;
1044 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1046 FloatToFront(&appData.recentEngineList, buf);
1048 ReplaceEngine(cps, i);
1054 int matched, min, sec;
1056 * Parse timeControl resource
1058 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1059 appData.movesPerSession)) {
1061 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1062 DisplayFatalError(buf, 0, 2);
1066 * Parse searchTime resource
1068 if (*appData.searchTime != NULLCHAR) {
1069 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1071 searchTime = min * 60;
1072 } else if (matched == 2) {
1073 searchTime = min * 60 + sec;
1076 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1077 DisplayFatalError(buf, 0, 2);
1086 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1087 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1089 GetTimeMark(&programStartTime);
1090 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1091 appData.seedBase = random() + (random()<<15);
1092 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1094 ClearProgramStats();
1095 programStats.ok_to_send = 1;
1096 programStats.seen_stat = 0;
1099 * Initialize game list
1105 * Internet chess server status
1107 if (appData.icsActive) {
1108 appData.matchMode = FALSE;
1109 appData.matchGames = 0;
1111 appData.noChessProgram = !appData.zippyPlay;
1113 appData.zippyPlay = FALSE;
1114 appData.zippyTalk = FALSE;
1115 appData.noChessProgram = TRUE;
1117 if (*appData.icsHelper != NULLCHAR) {
1118 appData.useTelnet = TRUE;
1119 appData.telnetProgram = appData.icsHelper;
1122 appData.zippyTalk = appData.zippyPlay = FALSE;
1125 /* [AS] Initialize pv info list [HGM] and game state */
1129 for( i=0; i<=framePtr; i++ ) {
1130 pvInfoList[i].depth = -1;
1131 boards[i][EP_STATUS] = EP_NONE;
1132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1138 /* [AS] Adjudication threshold */
1139 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1141 InitEngine(&first, 0);
1142 InitEngine(&second, 1);
1145 pairing.which = "pairing"; // pairing engine
1146 pairing.pr = NoProc;
1148 pairing.program = appData.pairingEngine;
1149 pairing.host = "localhost";
1152 if (appData.icsActive) {
1153 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1154 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1155 appData.clockMode = FALSE;
1156 first.sendTime = second.sendTime = 0;
1160 /* Override some settings from environment variables, for backward
1161 compatibility. Unfortunately it's not feasible to have the env
1162 vars just set defaults, at least in xboard. Ugh.
1164 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1169 if (!appData.icsActive) {
1173 /* Check for variants that are supported only in ICS mode,
1174 or not at all. Some that are accepted here nevertheless
1175 have bugs; see comments below.
1177 VariantClass variant = StringToVariant(appData.variant);
1179 case VariantBughouse: /* need four players and two boards */
1180 case VariantKriegspiel: /* need to hide pieces and move details */
1181 /* case VariantFischeRandom: (Fabien: moved below) */
1182 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1183 if( (len >= MSG_SIZ) && appData.debugMode )
1184 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1186 DisplayFatalError(buf, 0, 2);
1189 case VariantUnknown:
1190 case VariantLoadable:
1200 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1201 if( (len >= MSG_SIZ) && appData.debugMode )
1202 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1204 DisplayFatalError(buf, 0, 2);
1207 case VariantNormal: /* definitely works! */
1208 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1209 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1212 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1213 case VariantFairy: /* [HGM] TestLegality definitely off! */
1214 case VariantGothic: /* [HGM] should work */
1215 case VariantCapablanca: /* [HGM] should work */
1216 case VariantCourier: /* [HGM] initial forced moves not implemented */
1217 case VariantShogi: /* [HGM] could still mate with pawn drop */
1218 case VariantChu: /* [HGM] experimental */
1219 case VariantKnightmate: /* [HGM] should work */
1220 case VariantCylinder: /* [HGM] untested */
1221 case VariantFalcon: /* [HGM] untested */
1222 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1223 offboard interposition not understood */
1224 case VariantWildCastle: /* pieces not automatically shuffled */
1225 case VariantNoCastle: /* pieces not automatically shuffled */
1226 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1227 case VariantLosers: /* should work except for win condition,
1228 and doesn't know captures are mandatory */
1229 case VariantSuicide: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantGiveaway: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantTwoKings: /* should work */
1234 case VariantAtomic: /* should work except for win condition */
1235 case Variant3Check: /* should work except for win condition */
1236 case VariantShatranj: /* should work except for all win conditions */
1237 case VariantMakruk: /* should work except for draw countdown */
1238 case VariantASEAN : /* should work except for draw countdown */
1239 case VariantBerolina: /* might work if TestLegality is off */
1240 case VariantCapaRandom: /* should work */
1241 case VariantJanus: /* should work */
1242 case VariantSuper: /* experimental */
1243 case VariantGreat: /* experimental, requires legality testing to be off */
1244 case VariantSChess: /* S-Chess, should work */
1245 case VariantGrand: /* should work */
1246 case VariantSpartan: /* should work */
1247 case VariantLion: /* should work */
1248 case VariantChuChess: /* should work */
1256 NextIntegerFromString (char ** str, long * value)
1261 while( *s == ' ' || *s == '\t' ) {
1267 if( *s >= '0' && *s <= '9' ) {
1268 while( *s >= '0' && *s <= '9' ) {
1269 *value = *value * 10 + (*s - '0');
1282 NextTimeControlFromString (char ** str, long * value)
1285 int result = NextIntegerFromString( str, &temp );
1288 *value = temp * 60; /* Minutes */
1289 if( **str == ':' ) {
1291 result = NextIntegerFromString( str, &temp );
1292 *value += temp; /* Seconds */
1300 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1301 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1302 int result = -1, type = 0; long temp, temp2;
1304 if(**str != ':') return -1; // old params remain in force!
1306 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1307 if( NextIntegerFromString( str, &temp ) ) return -1;
1308 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1311 /* time only: incremental or sudden-death time control */
1312 if(**str == '+') { /* increment follows; read it */
1314 if(**str == '!') type = *(*str)++; // Bronstein TC
1315 if(result = NextIntegerFromString( str, &temp2)) return -1;
1316 *inc = temp2 * 1000;
1317 if(**str == '.') { // read fraction of increment
1318 char *start = ++(*str);
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1321 while(start++ < *str) temp2 /= 10;
1325 *moves = 0; *tc = temp * 1000; *incType = type;
1329 (*str)++; /* classical time control */
1330 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1342 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1343 { /* [HGM] get time to add from the multi-session time-control string */
1344 int incType, moves=1; /* kludge to force reading of first session */
1345 long time, increment;
1348 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1350 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1351 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1352 if(movenr == -1) return time; /* last move before new session */
1353 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1354 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1355 if(!moves) return increment; /* current session is incremental */
1356 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1357 } while(movenr >= -1); /* try again for next session */
1359 return 0; // no new time quota on this move
1363 ParseTimeControl (char *tc, float ti, int mps)
1367 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1370 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1371 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1372 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1376 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1381 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1383 snprintf(buf, MSG_SIZ, ":%s", mytc);
1385 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1387 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1392 /* Parse second time control */
1395 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1403 timeControl_2 = tc2 * 1000;
1413 timeControl = tc1 * 1000;
1416 timeIncrement = ti * 1000; /* convert to ms */
1417 movesPerSession = 0;
1420 movesPerSession = mps;
1428 if (appData.debugMode) {
1429 # ifdef __GIT_VERSION
1430 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1432 fprintf(debugFP, "Version: %s\n", programVersion);
1435 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1437 set_cont_sequence(appData.wrapContSeq);
1438 if (appData.matchGames > 0) {
1439 appData.matchMode = TRUE;
1440 } else if (appData.matchMode) {
1441 appData.matchGames = 1;
1443 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1444 appData.matchGames = appData.sameColorGames;
1445 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1446 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1447 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1450 if (appData.noChessProgram || first.protocolVersion == 1) {
1453 /* kludge: allow timeout for initial "feature" commands */
1455 DisplayMessage("", _("Starting chess program"));
1456 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1461 CalculateIndex (int index, int gameNr)
1462 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1464 if(index > 0) return index; // fixed nmber
1465 if(index == 0) return 1;
1466 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1467 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1472 LoadGameOrPosition (int gameNr)
1473 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1474 if (*appData.loadGameFile != NULLCHAR) {
1475 if (!LoadGameFromFile(appData.loadGameFile,
1476 CalculateIndex(appData.loadGameIndex, gameNr),
1477 appData.loadGameFile, FALSE)) {
1478 DisplayFatalError(_("Bad game file"), 0, 1);
1481 } else if (*appData.loadPositionFile != NULLCHAR) {
1482 if (!LoadPositionFromFile(appData.loadPositionFile,
1483 CalculateIndex(appData.loadPositionIndex, gameNr),
1484 appData.loadPositionFile)) {
1485 DisplayFatalError(_("Bad position file"), 0, 1);
1493 ReserveGame (int gameNr, char resChar)
1495 FILE *tf = fopen(appData.tourneyFile, "r+");
1496 char *p, *q, c, buf[MSG_SIZ];
1497 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1498 safeStrCpy(buf, lastMsg, MSG_SIZ);
1499 DisplayMessage(_("Pick new game"), "");
1500 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1501 ParseArgsFromFile(tf);
1502 p = q = appData.results;
1503 if(appData.debugMode) {
1504 char *r = appData.participants;
1505 fprintf(debugFP, "results = '%s'\n", p);
1506 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1507 fprintf(debugFP, "\n");
1509 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1511 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1512 safeStrCpy(q, p, strlen(p) + 2);
1513 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1514 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1515 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1516 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1519 fseek(tf, -(strlen(p)+4), SEEK_END);
1521 if(c != '"') // depending on DOS or Unix line endings we can be one off
1522 fseek(tf, -(strlen(p)+2), SEEK_END);
1523 else fseek(tf, -(strlen(p)+3), SEEK_END);
1524 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1525 DisplayMessage(buf, "");
1526 free(p); appData.results = q;
1527 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1528 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1529 int round = appData.defaultMatchGames * appData.tourneyType;
1530 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1531 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1532 UnloadEngine(&first); // next game belongs to other pairing;
1533 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1535 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1539 MatchEvent (int mode)
1540 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1542 if(matchMode) { // already in match mode: switch it off
1544 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1547 // if(gameMode != BeginningOfGame) {
1548 // DisplayError(_("You can only start a match from the initial position."), 0);
1552 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1553 /* Set up machine vs. machine match */
1555 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1556 if(appData.tourneyFile[0]) {
1558 if(nextGame > appData.matchGames) {
1560 if(strchr(appData.results, '*') == NULL) {
1562 appData.tourneyCycles++;
1563 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1565 NextTourneyGame(-1, &dummy);
1567 if(nextGame <= appData.matchGames) {
1568 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1570 ScheduleDelayedEvent(NextMatchGame, 10000);
1575 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1576 DisplayError(buf, 0);
1577 appData.tourneyFile[0] = 0;
1581 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1582 DisplayFatalError(_("Can't have a match with no chess programs"),
1587 matchGame = roundNr = 1;
1588 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1592 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1595 InitBackEnd3 P((void))
1597 GameMode initialMode;
1601 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1602 !strcmp(appData.variant, "normal") && // no explicit variant request
1603 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1604 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1605 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1606 char c, *q = first.variants, *p = strchr(q, ',');
1607 if(p) *p = NULLCHAR;
1608 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1610 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1611 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1612 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1613 Reset(TRUE, FALSE); // and re-initialize
1618 InitChessProgram(&first, startedFromSetupPosition);
1620 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1621 free(programVersion);
1622 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1623 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1624 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1627 if (appData.icsActive) {
1629 /* [DM] Make a console window if needed [HGM] merged ifs */
1635 if (*appData.icsCommPort != NULLCHAR)
1636 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1637 appData.icsCommPort);
1639 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1640 appData.icsHost, appData.icsPort);
1642 if( (len >= MSG_SIZ) && appData.debugMode )
1643 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1645 DisplayFatalError(buf, err, 1);
1650 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1652 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1653 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1654 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1655 } else if (appData.noChessProgram) {
1661 if (*appData.cmailGameName != NULLCHAR) {
1663 OpenLoopback(&cmailPR);
1665 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1669 DisplayMessage("", "");
1670 if (StrCaseCmp(appData.initialMode, "") == 0) {
1671 initialMode = BeginningOfGame;
1672 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1673 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1674 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1675 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1678 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1679 initialMode = TwoMachinesPlay;
1680 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1681 initialMode = AnalyzeFile;
1682 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1683 initialMode = AnalyzeMode;
1684 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1685 initialMode = MachinePlaysWhite;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1687 initialMode = MachinePlaysBlack;
1688 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1689 initialMode = EditGame;
1690 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1691 initialMode = EditPosition;
1692 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1693 initialMode = Training;
1695 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1696 if( (len >= MSG_SIZ) && appData.debugMode )
1697 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1699 DisplayFatalError(buf, 0, 2);
1703 if (appData.matchMode) {
1704 if(appData.tourneyFile[0]) { // start tourney from command line
1706 if(f = fopen(appData.tourneyFile, "r")) {
1707 ParseArgsFromFile(f); // make sure tourney parmeters re known
1709 appData.clockMode = TRUE;
1711 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1714 } else if (*appData.cmailGameName != NULLCHAR) {
1715 /* Set up cmail mode */
1716 ReloadCmailMsgEvent(TRUE);
1718 /* Set up other modes */
1719 if (initialMode == AnalyzeFile) {
1720 if (*appData.loadGameFile == NULLCHAR) {
1721 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1725 if (*appData.loadGameFile != NULLCHAR) {
1726 (void) LoadGameFromFile(appData.loadGameFile,
1727 appData.loadGameIndex,
1728 appData.loadGameFile, TRUE);
1729 } else if (*appData.loadPositionFile != NULLCHAR) {
1730 (void) LoadPositionFromFile(appData.loadPositionFile,
1731 appData.loadPositionIndex,
1732 appData.loadPositionFile);
1733 /* [HGM] try to make self-starting even after FEN load */
1734 /* to allow automatic setup of fairy variants with wtm */
1735 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1736 gameMode = BeginningOfGame;
1737 setboardSpoiledMachineBlack = 1;
1739 /* [HGM] loadPos: make that every new game uses the setup */
1740 /* from file as long as we do not switch variant */
1741 if(!blackPlaysFirst) {
1742 startedFromPositionFile = TRUE;
1743 CopyBoard(filePosition, boards[0]);
1744 CopyBoard(initialPosition, boards[0]);
1747 if (initialMode == AnalyzeMode) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1752 if (appData.icsActive) {
1753 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1757 } else if (initialMode == AnalyzeFile) {
1758 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1759 ShowThinkingEvent();
1761 AnalysisPeriodicEvent(1);
1762 } else if (initialMode == MachinePlaysWhite) {
1763 if (appData.noChessProgram) {
1764 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1768 if (appData.icsActive) {
1769 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1773 MachineWhiteEvent();
1774 } else if (initialMode == MachinePlaysBlack) {
1775 if (appData.noChessProgram) {
1776 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1780 if (appData.icsActive) {
1781 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1785 MachineBlackEvent();
1786 } else if (initialMode == TwoMachinesPlay) {
1787 if (appData.noChessProgram) {
1788 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1792 if (appData.icsActive) {
1793 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1798 } else if (initialMode == EditGame) {
1800 } else if (initialMode == EditPosition) {
1801 EditPositionEvent();
1802 } else if (initialMode == Training) {
1803 if (*appData.loadGameFile == NULLCHAR) {
1804 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1813 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1815 DisplayBook(current+1);
1817 MoveHistorySet( movelist, first, last, current, pvInfoList );
1819 EvalGraphSet( first, last, current, pvInfoList );
1821 MakeEngineOutputTitle();
1825 * Establish will establish a contact to a remote host.port.
1826 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1827 * used to talk to the host.
1828 * Returns 0 if okay, error code if not.
1835 if (*appData.icsCommPort != NULLCHAR) {
1836 /* Talk to the host through a serial comm port */
1837 return OpenCommPort(appData.icsCommPort, &icsPR);
1839 } else if (*appData.gateway != NULLCHAR) {
1840 if (*appData.remoteShell == NULLCHAR) {
1841 /* Use the rcmd protocol to run telnet program on a gateway host */
1842 snprintf(buf, sizeof(buf), "%s %s %s",
1843 appData.telnetProgram, appData.icsHost, appData.icsPort);
1844 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1847 /* Use the rsh program to run telnet program on a gateway host */
1848 if (*appData.remoteUser == NULLCHAR) {
1849 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1850 appData.gateway, appData.telnetProgram,
1851 appData.icsHost, appData.icsPort);
1853 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1854 appData.remoteShell, appData.gateway,
1855 appData.remoteUser, appData.telnetProgram,
1856 appData.icsHost, appData.icsPort);
1858 return StartChildProcess(buf, "", &icsPR);
1861 } else if (appData.useTelnet) {
1862 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1865 /* TCP socket interface differs somewhat between
1866 Unix and NT; handle details in the front end.
1868 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1873 EscapeExpand (char *p, char *q)
1874 { // [HGM] initstring: routine to shape up string arguments
1875 while(*p++ = *q++) if(p[-1] == '\\')
1877 case 'n': p[-1] = '\n'; break;
1878 case 'r': p[-1] = '\r'; break;
1879 case 't': p[-1] = '\t'; break;
1880 case '\\': p[-1] = '\\'; break;
1881 case 0: *p = 0; return;
1882 default: p[-1] = q[-1]; break;
1887 show_bytes (FILE *fp, char *buf, int count)
1890 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1891 fprintf(fp, "\\%03o", *buf & 0xff);
1900 /* Returns an errno value */
1902 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1904 char buf[8192], *p, *q, *buflim;
1905 int left, newcount, outcount;
1907 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1908 *appData.gateway != NULLCHAR) {
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, message, count);
1912 fprintf(debugFP, "\n");
1914 return OutputToProcess(pr, message, count, outError);
1917 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1924 if (appData.debugMode) {
1925 fprintf(debugFP, ">ICS: ");
1926 show_bytes(debugFP, buf, newcount);
1927 fprintf(debugFP, "\n");
1929 outcount = OutputToProcess(pr, buf, newcount, outError);
1930 if (outcount < newcount) return -1; /* to be sure */
1937 } else if (((unsigned char) *p) == TN_IAC) {
1938 *q++ = (char) TN_IAC;
1945 if (appData.debugMode) {
1946 fprintf(debugFP, ">ICS: ");
1947 show_bytes(debugFP, buf, newcount);
1948 fprintf(debugFP, "\n");
1950 outcount = OutputToProcess(pr, buf, newcount, outError);
1951 if (outcount < newcount) return -1; /* to be sure */
1956 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1958 int outError, outCount;
1959 static int gotEof = 0;
1962 /* Pass data read from player on to ICS */
1965 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1966 if (outCount < count) {
1967 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1969 if(have_sent_ICS_logon == 2) {
1970 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1971 fprintf(ini, "%s", message);
1972 have_sent_ICS_logon = 3;
1974 have_sent_ICS_logon = 1;
1975 } else if(have_sent_ICS_logon == 3) {
1976 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 1;
1980 } else if (count < 0) {
1981 RemoveInputSource(isr);
1982 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1983 } else if (gotEof++ > 0) {
1984 RemoveInputSource(isr);
1985 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1991 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1992 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1993 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1994 SendToICS("date\n");
1995 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1998 /* added routine for printf style output to ics */
2000 ics_printf (char *format, ...)
2002 char buffer[MSG_SIZ];
2005 va_start(args, format);
2006 vsnprintf(buffer, sizeof(buffer), format, args);
2007 buffer[sizeof(buffer)-1] = '\0';
2015 int count, outCount, outError;
2017 if (icsPR == NoProc) return;
2020 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2021 if (outCount < count) {
2022 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 /* This is used for sending logon scripts to the ICS. Sending
2027 without a delay causes problems when using timestamp on ICC
2028 (at least on my machine). */
2030 SendToICSDelayed (char *s, long msdelay)
2032 int count, outCount, outError;
2034 if (icsPR == NoProc) return;
2037 if (appData.debugMode) {
2038 fprintf(debugFP, ">ICS: ");
2039 show_bytes(debugFP, s, count);
2040 fprintf(debugFP, "\n");
2042 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2044 if (outCount < count) {
2045 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2050 /* Remove all highlighting escape sequences in s
2051 Also deletes any suffix starting with '('
2054 StripHighlightAndTitle (char *s)
2056 static char retbuf[MSG_SIZ];
2059 while (*s != NULLCHAR) {
2060 while (*s == '\033') {
2061 while (*s != NULLCHAR && !isalpha(*s)) s++;
2062 if (*s != NULLCHAR) s++;
2064 while (*s != NULLCHAR && *s != '\033') {
2065 if (*s == '(' || *s == '[') {
2076 /* Remove all highlighting escape sequences in s */
2078 StripHighlight (char *s)
2080 static char retbuf[MSG_SIZ];
2083 while (*s != NULLCHAR) {
2084 while (*s == '\033') {
2085 while (*s != NULLCHAR && !isalpha(*s)) s++;
2086 if (*s != NULLCHAR) s++;
2088 while (*s != NULLCHAR && *s != '\033') {
2096 char engineVariant[MSG_SIZ];
2097 char *variantNames[] = VARIANT_NAMES;
2099 VariantName (VariantClass v)
2101 if(v == VariantUnknown || *engineVariant) return engineVariant;
2102 return variantNames[v];
2106 /* Identify a variant from the strings the chess servers use or the
2107 PGN Variant tag names we use. */
2109 StringToVariant (char *e)
2113 VariantClass v = VariantNormal;
2114 int i, found = FALSE;
2115 char buf[MSG_SIZ], c;
2120 /* [HGM] skip over optional board-size prefixes */
2121 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2122 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2123 while( *e++ != '_');
2126 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2130 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2131 if (p = StrCaseStr(e, variantNames[i])) {
2132 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2133 v = (VariantClass) i;
2140 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2141 || StrCaseStr(e, "wild/fr")
2142 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2143 v = VariantFischeRandom;
2144 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2145 (i = 1, p = StrCaseStr(e, "w"))) {
2147 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2154 case 0: /* FICS only, actually */
2156 /* Castling legal even if K starts on d-file */
2157 v = VariantWildCastle;
2162 /* Castling illegal even if K & R happen to start in
2163 normal positions. */
2164 v = VariantNoCastle;
2177 /* Castling legal iff K & R start in normal positions */
2183 /* Special wilds for position setup; unclear what to do here */
2184 v = VariantLoadable;
2187 /* Bizarre ICC game */
2188 v = VariantTwoKings;
2191 v = VariantKriegspiel;
2197 v = VariantFischeRandom;
2200 v = VariantCrazyhouse;
2203 v = VariantBughouse;
2209 /* Not quite the same as FICS suicide! */
2210 v = VariantGiveaway;
2216 v = VariantShatranj;
2219 /* Temporary names for future ICC types. The name *will* change in
2220 the next xboard/WinBoard release after ICC defines it. */
2258 v = VariantCapablanca;
2261 v = VariantKnightmate;
2267 v = VariantCylinder;
2273 v = VariantCapaRandom;
2276 v = VariantBerolina;
2288 /* Found "wild" or "w" in the string but no number;
2289 must assume it's normal chess. */
2293 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2294 if( (len >= MSG_SIZ) && appData.debugMode )
2295 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2297 DisplayError(buf, 0);
2303 if (appData.debugMode) {
2304 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2305 e, wnum, VariantName(v));
2310 static int leftover_start = 0, leftover_len = 0;
2311 char star_match[STAR_MATCH_N][MSG_SIZ];
2313 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2314 advance *index beyond it, and set leftover_start to the new value of
2315 *index; else return FALSE. If pattern contains the character '*', it
2316 matches any sequence of characters not containing '\r', '\n', or the
2317 character following the '*' (if any), and the matched sequence(s) are
2318 copied into star_match.
2321 looking_at ( char *buf, int *index, char *pattern)
2323 char *bufp = &buf[*index], *patternp = pattern;
2325 char *matchp = star_match[0];
2328 if (*patternp == NULLCHAR) {
2329 *index = leftover_start = bufp - buf;
2333 if (*bufp == NULLCHAR) return FALSE;
2334 if (*patternp == '*') {
2335 if (*bufp == *(patternp + 1)) {
2337 matchp = star_match[++star_count];
2341 } else if (*bufp == '\n' || *bufp == '\r') {
2343 if (*patternp == NULLCHAR)
2348 *matchp++ = *bufp++;
2352 if (*patternp != *bufp) return FALSE;
2359 SendToPlayer (char *data, int length)
2361 int error, outCount;
2362 outCount = OutputToProcess(NoProc, data, length, &error);
2363 if (outCount < length) {
2364 DisplayFatalError(_("Error writing to display"), error, 1);
2369 PackHolding (char packed[], char *holding)
2379 switch (runlength) {
2390 sprintf(q, "%d", runlength);
2402 /* Telnet protocol requests from the front end */
2404 TelnetRequest (unsigned char ddww, unsigned char option)
2406 unsigned char msg[3];
2407 int outCount, outError;
2409 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2411 if (appData.debugMode) {
2412 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2428 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2437 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2440 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2445 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2454 if (!appData.icsActive) return;
2455 TelnetRequest(TN_DO, TN_ECHO);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DONT, TN_ECHO);
2466 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2468 /* put the holdings sent to us by the server on the board holdings area */
2469 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2473 if(gameInfo.holdingsWidth < 2) return;
2474 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2475 return; // prevent overwriting by pre-board holdings
2477 if( (int)lowestPiece >= BlackPawn ) {
2480 holdingsStartRow = BOARD_HEIGHT-1;
2483 holdingsColumn = BOARD_WIDTH-1;
2484 countsColumn = BOARD_WIDTH-2;
2485 holdingsStartRow = 0;
2489 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2490 board[i][holdingsColumn] = EmptySquare;
2491 board[i][countsColumn] = (ChessSquare) 0;
2493 while( (p=*holdings++) != NULLCHAR ) {
2494 piece = CharToPiece( ToUpper(p) );
2495 if(piece == EmptySquare) continue;
2496 /*j = (int) piece - (int) WhitePawn;*/
2497 j = PieceToNumber(piece);
2498 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2499 if(j < 0) continue; /* should not happen */
2500 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2501 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2502 board[holdingsStartRow+j*direction][countsColumn]++;
2508 VariantSwitch (Board board, VariantClass newVariant)
2510 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2511 static Board oldBoard;
2513 startedFromPositionFile = FALSE;
2514 if(gameInfo.variant == newVariant) return;
2516 /* [HGM] This routine is called each time an assignment is made to
2517 * gameInfo.variant during a game, to make sure the board sizes
2518 * are set to match the new variant. If that means adding or deleting
2519 * holdings, we shift the playing board accordingly
2520 * This kludge is needed because in ICS observe mode, we get boards
2521 * of an ongoing game without knowing the variant, and learn about the
2522 * latter only later. This can be because of the move list we requested,
2523 * in which case the game history is refilled from the beginning anyway,
2524 * but also when receiving holdings of a crazyhouse game. In the latter
2525 * case we want to add those holdings to the already received position.
2529 if (appData.debugMode) {
2530 fprintf(debugFP, "Switch board from %s to %s\n",
2531 VariantName(gameInfo.variant), VariantName(newVariant));
2532 setbuf(debugFP, NULL);
2534 shuffleOpenings = 0; /* [HGM] shuffle */
2535 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2539 newWidth = 9; newHeight = 9;
2540 gameInfo.holdingsSize = 7;
2541 case VariantBughouse:
2542 case VariantCrazyhouse:
2543 newHoldingsWidth = 2; break;
2547 newHoldingsWidth = 2;
2548 gameInfo.holdingsSize = 8;
2551 case VariantCapablanca:
2552 case VariantCapaRandom:
2555 newHoldingsWidth = gameInfo.holdingsSize = 0;
2558 if(newWidth != gameInfo.boardWidth ||
2559 newHeight != gameInfo.boardHeight ||
2560 newHoldingsWidth != gameInfo.holdingsWidth ) {
2562 /* shift position to new playing area, if needed */
2563 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2568 for(i=0; i<newHeight; i++) {
2569 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2570 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2572 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2573 for(i=0; i<BOARD_HEIGHT; i++)
2574 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2575 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2578 board[HOLDINGS_SET] = 0;
2579 gameInfo.boardWidth = newWidth;
2580 gameInfo.boardHeight = newHeight;
2581 gameInfo.holdingsWidth = newHoldingsWidth;
2582 gameInfo.variant = newVariant;
2583 InitDrawingSizes(-2, 0);
2584 } else gameInfo.variant = newVariant;
2585 CopyBoard(oldBoard, board); // remember correctly formatted board
2586 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2587 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2590 static int loggedOn = FALSE;
2592 /*-- Game start info cache: --*/
2594 char gs_kind[MSG_SIZ];
2595 static char player1Name[128] = "";
2596 static char player2Name[128] = "";
2597 static char cont_seq[] = "\n\\ ";
2598 static int player1Rating = -1;
2599 static int player2Rating = -1;
2600 /*----------------------------*/
2602 ColorClass curColor = ColorNormal;
2603 int suppressKibitz = 0;
2606 Boolean soughtPending = FALSE;
2607 Boolean seekGraphUp;
2608 #define MAX_SEEK_ADS 200
2610 char *seekAdList[MAX_SEEK_ADS];
2611 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2612 float tcList[MAX_SEEK_ADS];
2613 char colorList[MAX_SEEK_ADS];
2614 int nrOfSeekAds = 0;
2615 int minRating = 1010, maxRating = 2800;
2616 int hMargin = 10, vMargin = 20, h, w;
2617 extern int squareSize, lineGap;
2622 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2623 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2624 if(r < minRating+100 && r >=0 ) r = minRating+100;
2625 if(r > maxRating) r = maxRating;
2626 if(tc < 1.f) tc = 1.f;
2627 if(tc > 95.f) tc = 95.f;
2628 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2629 y = ((double)r - minRating)/(maxRating - minRating)
2630 * (h-vMargin-squareSize/8-1) + vMargin;
2631 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2632 if(strstr(seekAdList[i], " u ")) color = 1;
2633 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2634 !strstr(seekAdList[i], "bullet") &&
2635 !strstr(seekAdList[i], "blitz") &&
2636 !strstr(seekAdList[i], "standard") ) color = 2;
2637 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2638 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2642 PlotSingleSeekAd (int i)
2648 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2650 char buf[MSG_SIZ], *ext = "";
2651 VariantClass v = StringToVariant(type);
2652 if(strstr(type, "wild")) {
2653 ext = type + 4; // append wild number
2654 if(v == VariantFischeRandom) type = "chess960"; else
2655 if(v == VariantLoadable) type = "setup"; else
2656 type = VariantName(v);
2658 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2659 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2660 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2661 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2662 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2663 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2664 seekNrList[nrOfSeekAds] = nr;
2665 zList[nrOfSeekAds] = 0;
2666 seekAdList[nrOfSeekAds++] = StrSave(buf);
2667 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2672 EraseSeekDot (int i)
2674 int x = xList[i], y = yList[i], d=squareSize/4, k;
2675 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2676 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2677 // now replot every dot that overlapped
2678 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2679 int xx = xList[k], yy = yList[k];
2680 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2681 DrawSeekDot(xx, yy, colorList[k]);
2686 RemoveSeekAd (int nr)
2689 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2691 if(seekAdList[i]) free(seekAdList[i]);
2692 seekAdList[i] = seekAdList[--nrOfSeekAds];
2693 seekNrList[i] = seekNrList[nrOfSeekAds];
2694 ratingList[i] = ratingList[nrOfSeekAds];
2695 colorList[i] = colorList[nrOfSeekAds];
2696 tcList[i] = tcList[nrOfSeekAds];
2697 xList[i] = xList[nrOfSeekAds];
2698 yList[i] = yList[nrOfSeekAds];
2699 zList[i] = zList[nrOfSeekAds];
2700 seekAdList[nrOfSeekAds] = NULL;
2706 MatchSoughtLine (char *line)
2708 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2709 int nr, base, inc, u=0; char dummy;
2711 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2712 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2714 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2715 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2716 // match: compact and save the line
2717 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2727 if(!seekGraphUp) return FALSE;
2728 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2729 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2731 DrawSeekBackground(0, 0, w, h);
2732 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2733 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2734 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2735 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2737 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2740 snprintf(buf, MSG_SIZ, "%d", i);
2741 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2744 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2745 for(i=1; i<100; i+=(i<10?1:5)) {
2746 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2747 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2748 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2750 snprintf(buf, MSG_SIZ, "%d", i);
2751 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2754 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2759 SeekGraphClick (ClickType click, int x, int y, int moving)
2761 static int lastDown = 0, displayed = 0, lastSecond;
2762 if(y < 0) return FALSE;
2763 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2764 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2765 if(!seekGraphUp) return FALSE;
2766 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2767 DrawPosition(TRUE, NULL);
2770 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2771 if(click == Release || moving) return FALSE;
2773 soughtPending = TRUE;
2774 SendToICS(ics_prefix);
2775 SendToICS("sought\n"); // should this be "sought all"?
2776 } else { // issue challenge based on clicked ad
2777 int dist = 10000; int i, closest = 0, second = 0;
2778 for(i=0; i<nrOfSeekAds; i++) {
2779 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2780 if(d < dist) { dist = d; closest = i; }
2781 second += (d - zList[i] < 120); // count in-range ads
2782 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2786 second = (second > 1);
2787 if(displayed != closest || second != lastSecond) {
2788 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2789 lastSecond = second; displayed = closest;
2791 if(click == Press) {
2792 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2795 } // on press 'hit', only show info
2796 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2797 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2798 SendToICS(ics_prefix);
2800 return TRUE; // let incoming board of started game pop down the graph
2801 } else if(click == Release) { // release 'miss' is ignored
2802 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2803 if(moving == 2) { // right up-click
2804 nrOfSeekAds = 0; // refresh graph
2805 soughtPending = TRUE;
2806 SendToICS(ics_prefix);
2807 SendToICS("sought\n"); // should this be "sought all"?
2810 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2811 // press miss or release hit 'pop down' seek graph
2812 seekGraphUp = FALSE;
2813 DrawPosition(TRUE, NULL);
2819 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2821 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2822 #define STARTED_NONE 0
2823 #define STARTED_MOVES 1
2824 #define STARTED_BOARD 2
2825 #define STARTED_OBSERVE 3
2826 #define STARTED_HOLDINGS 4
2827 #define STARTED_CHATTER 5
2828 #define STARTED_COMMENT 6
2829 #define STARTED_MOVES_NOHIDE 7
2831 static int started = STARTED_NONE;
2832 static char parse[20000];
2833 static int parse_pos = 0;
2834 static char buf[BUF_SIZE + 1];
2835 static int firstTime = TRUE, intfSet = FALSE;
2836 static ColorClass prevColor = ColorNormal;
2837 static int savingComment = FALSE;
2838 static int cmatch = 0; // continuation sequence match
2845 int backup; /* [DM] For zippy color lines */
2847 char talker[MSG_SIZ]; // [HGM] chat
2848 int channel, collective=0;
2850 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2852 if (appData.debugMode) {
2854 fprintf(debugFP, "<ICS: ");
2855 show_bytes(debugFP, data, count);
2856 fprintf(debugFP, "\n");
2860 if (appData.debugMode) { int f = forwardMostMove;
2861 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2862 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2863 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2866 /* If last read ended with a partial line that we couldn't parse,
2867 prepend it to the new read and try again. */
2868 if (leftover_len > 0) {
2869 for (i=0; i<leftover_len; i++)
2870 buf[i] = buf[leftover_start + i];
2873 /* copy new characters into the buffer */
2874 bp = buf + leftover_len;
2875 buf_len=leftover_len;
2876 for (i=0; i<count; i++)
2879 if (data[i] == '\r')
2882 // join lines split by ICS?
2883 if (!appData.noJoin)
2886 Joining just consists of finding matches against the
2887 continuation sequence, and discarding that sequence
2888 if found instead of copying it. So, until a match
2889 fails, there's nothing to do since it might be the
2890 complete sequence, and thus, something we don't want
2893 if (data[i] == cont_seq[cmatch])
2896 if (cmatch == strlen(cont_seq))
2898 cmatch = 0; // complete match. just reset the counter
2901 it's possible for the ICS to not include the space
2902 at the end of the last word, making our [correct]
2903 join operation fuse two separate words. the server
2904 does this when the space occurs at the width setting.
2906 if (!buf_len || buf[buf_len-1] != ' ')
2917 match failed, so we have to copy what matched before
2918 falling through and copying this character. In reality,
2919 this will only ever be just the newline character, but
2920 it doesn't hurt to be precise.
2922 strncpy(bp, cont_seq, cmatch);
2934 buf[buf_len] = NULLCHAR;
2935 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2940 while (i < buf_len) {
2941 /* Deal with part of the TELNET option negotiation
2942 protocol. We refuse to do anything beyond the
2943 defaults, except that we allow the WILL ECHO option,
2944 which ICS uses to turn off password echoing when we are
2945 directly connected to it. We reject this option
2946 if localLineEditing mode is on (always on in xboard)
2947 and we are talking to port 23, which might be a real
2948 telnet server that will try to keep WILL ECHO on permanently.
2950 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2951 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2952 unsigned char option;
2954 switch ((unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "\n<WILL ");
2958 switch (option = (unsigned char) buf[++i]) {
2960 if (appData.debugMode)
2961 fprintf(debugFP, "ECHO ");
2962 /* Reply only if this is a change, according
2963 to the protocol rules. */
2964 if (remoteEchoOption) break;
2965 if (appData.localLineEditing &&
2966 atoi(appData.icsPort) == TN_PORT) {
2967 TelnetRequest(TN_DONT, TN_ECHO);
2970 TelnetRequest(TN_DO, TN_ECHO);
2971 remoteEchoOption = TRUE;
2975 if (appData.debugMode)
2976 fprintf(debugFP, "%d ", option);
2977 /* Whatever this is, we don't want it. */
2978 TelnetRequest(TN_DONT, option);
2983 if (appData.debugMode)
2984 fprintf(debugFP, "\n<WONT ");
2985 switch (option = (unsigned char) buf[++i]) {
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ECHO ");
2989 /* Reply only if this is a change, according
2990 to the protocol rules. */
2991 if (!remoteEchoOption) break;
2993 TelnetRequest(TN_DONT, TN_ECHO);
2994 remoteEchoOption = FALSE;
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", (unsigned char) option);
2999 /* Whatever this is, it must already be turned
3000 off, because we never agree to turn on
3001 anything non-default, so according to the
3002 protocol rules, we don't reply. */
3007 if (appData.debugMode)
3008 fprintf(debugFP, "\n<DO ");
3009 switch (option = (unsigned char) buf[++i]) {
3011 /* Whatever this is, we refuse to do it. */
3012 if (appData.debugMode)
3013 fprintf(debugFP, "%d ", option);
3014 TelnetRequest(TN_WONT, option);
3019 if (appData.debugMode)
3020 fprintf(debugFP, "\n<DONT ");
3021 switch (option = (unsigned char) buf[++i]) {
3023 if (appData.debugMode)
3024 fprintf(debugFP, "%d ", option);
3025 /* Whatever this is, we are already not doing
3026 it, because we never agree to do anything
3027 non-default, so according to the protocol
3028 rules, we don't reply. */
3033 if (appData.debugMode)
3034 fprintf(debugFP, "\n<IAC ");
3035 /* Doubled IAC; pass it through */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3041 /* Drop all other telnet commands on the floor */
3044 if (oldi > next_out)
3045 SendToPlayer(&buf[next_out], oldi - next_out);
3051 /* OK, this at least will *usually* work */
3052 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3056 if (loggedOn && !intfSet) {
3057 if (ics_type == ICS_ICC) {
3058 snprintf(str, MSG_SIZ,
3059 "/set-quietly interface %s\n/set-quietly style 12\n",
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "/set-2 51 1\n/set seek 1\n");
3063 } else if (ics_type == ICS_CHESSNET) {
3064 snprintf(str, MSG_SIZ, "/style 12\n");
3066 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3067 strcat(str, programVersion);
3068 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3072 strcat(str, "$iset nohighlight 1\n");
3074 strcat(str, "$iset lock 1\n$style 12\n");
3077 NotifyFrontendLogin();
3081 if (started == STARTED_COMMENT) {
3082 /* Accumulate characters in comment */
3083 parse[parse_pos++] = buf[i];
3084 if (buf[i] == '\n') {
3085 parse[parse_pos] = NULLCHAR;
3086 if(chattingPartner>=0) {
3088 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3089 OutputChatMessage(chattingPartner, mess);
3090 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3092 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3093 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3094 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3095 OutputChatMessage(p, mess);
3099 chattingPartner = -1;
3100 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3103 if(!suppressKibitz) // [HGM] kibitz
3104 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3105 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3106 int nrDigit = 0, nrAlph = 0, j;
3107 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3108 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3109 parse[parse_pos] = NULLCHAR;
3110 // try to be smart: if it does not look like search info, it should go to
3111 // ICS interaction window after all, not to engine-output window.
3112 for(j=0; j<parse_pos; j++) { // count letters and digits
3113 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3114 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3115 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3117 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3118 int depth=0; float score;
3119 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3120 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3121 pvInfoList[forwardMostMove-1].depth = depth;
3122 pvInfoList[forwardMostMove-1].score = 100*score;
3124 OutputKibitz(suppressKibitz, parse);
3127 if(gameMode == IcsObserving) // restore original ICS messages
3128 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3129 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3131 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3132 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3133 SendToPlayer(tmp, strlen(tmp));
3135 next_out = i+1; // [HGM] suppress printing in ICS window
3137 started = STARTED_NONE;
3139 /* Don't match patterns against characters in comment */
3144 if (started == STARTED_CHATTER) {
3145 if (buf[i] != '\n') {
3146 /* Don't match patterns against characters in chatter */
3150 started = STARTED_NONE;
3151 if(suppressKibitz) next_out = i+1;
3154 /* Kludge to deal with rcmd protocol */
3155 if (firstTime && looking_at(buf, &i, "\001*")) {
3156 DisplayFatalError(&buf[1], 0, 1);
3162 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3165 if (appData.debugMode)
3166 fprintf(debugFP, "ics_type %d\n", ics_type);
3169 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3170 ics_type = ICS_FICS;
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3177 ics_type = ICS_CHESSNET;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3185 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3186 looking_at(buf, &i, "Logging you in as \"*\"") ||
3187 looking_at(buf, &i, "will be \"*\""))) {
3188 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3192 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3194 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3195 DisplayIcsInteractionTitle(buf);
3196 have_set_title = TRUE;
3199 /* skip finger notes */
3200 if (started == STARTED_NONE &&
3201 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3202 (buf[i] == '1' && buf[i+1] == '0')) &&
3203 buf[i+2] == ':' && buf[i+3] == ' ') {
3204 started = STARTED_CHATTER;
3210 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3211 if(appData.seekGraph) {
3212 if(soughtPending && MatchSoughtLine(buf+i)) {
3213 i = strstr(buf+i, "rated") - buf;
3214 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3215 next_out = leftover_start = i;
3216 started = STARTED_CHATTER;
3217 suppressKibitz = TRUE;
3220 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3221 && looking_at(buf, &i, "* ads displayed")) {
3222 soughtPending = FALSE;
3227 if(appData.autoRefresh) {
3228 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3229 int s = (ics_type == ICS_ICC); // ICC format differs
3231 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3232 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3233 looking_at(buf, &i, "*% "); // eat prompt
3234 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3235 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3236 next_out = i; // suppress
3239 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3240 char *p = star_match[0];
3242 if(seekGraphUp) RemoveSeekAd(atoi(p));
3243 while(*p && *p++ != ' '); // next
3245 looking_at(buf, &i, "*% "); // eat prompt
3246 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3253 /* skip formula vars */
3254 if (started == STARTED_NONE &&
3255 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3256 started = STARTED_CHATTER;
3261 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3262 if (appData.autoKibitz && started == STARTED_NONE &&
3263 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3264 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3265 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3266 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3267 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3268 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3269 suppressKibitz = TRUE;
3270 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3272 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3273 && (gameMode == IcsPlayingWhite)) ||
3274 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3275 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3276 started = STARTED_CHATTER; // own kibitz we simply discard
3278 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3279 parse_pos = 0; parse[0] = NULLCHAR;
3280 savingComment = TRUE;
3281 suppressKibitz = gameMode != IcsObserving ? 2 :
3282 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3286 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3287 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3288 && atoi(star_match[0])) {
3289 // suppress the acknowledgements of our own autoKibitz
3291 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3292 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3293 SendToPlayer(star_match[0], strlen(star_match[0]));
3294 if(looking_at(buf, &i, "*% ")) // eat prompt
3295 suppressKibitz = FALSE;
3299 } // [HGM] kibitz: end of patch
3301 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3303 // [HGM] chat: intercept tells by users for which we have an open chat window
3305 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3306 looking_at(buf, &i, "* whispers:") ||
3307 looking_at(buf, &i, "* kibitzes:") ||
3308 looking_at(buf, &i, "* shouts:") ||
3309 looking_at(buf, &i, "* c-shouts:") ||
3310 looking_at(buf, &i, "--> * ") ||
3311 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3314 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3316 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3317 chattingPartner = -1; collective = 0;
3319 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("kibitzes", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("whispers", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3345 if(buf[i-8] == '-' && buf[i-3] == 't')
3346 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3348 if(!strcmp("c-shouts", chatPartner[p])) {
3349 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3350 chattingPartner = p; break;
3353 if(chattingPartner < 0)
3354 for(p=0; p<MAX_CHAT; p++) {
3356 if(!strcmp("shouts", chatPartner[p])) {
3357 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3358 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3359 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3360 chattingPartner = p; break;
3364 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3365 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3367 Colorize(ColorTell, FALSE);
3368 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3370 chattingPartner = p; break;
3372 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3373 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3374 started = STARTED_COMMENT;
3375 parse_pos = 0; parse[0] = NULLCHAR;
3376 savingComment = 3 + chattingPartner; // counts as TRUE
3377 if(collective == 3) i = oldi; else {
3378 suppressKibitz = TRUE;
3379 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3380 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3384 } // [HGM] chat: end of patch
3387 if (appData.zippyTalk || appData.zippyPlay) {
3388 /* [DM] Backup address for color zippy lines */
3390 if (loggedOn == TRUE)
3391 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3392 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3394 } // [DM] 'else { ' deleted
3396 /* Regular tells and says */
3397 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3398 looking_at(buf, &i, "* (your partner) tells you: ") ||
3399 looking_at(buf, &i, "* says: ") ||
3400 /* Don't color "message" or "messages" output */
3401 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3402 looking_at(buf, &i, "*. * at *:*: ") ||
3403 looking_at(buf, &i, "--* (*:*): ") ||
3404 /* Message notifications (same color as tells) */
3405 looking_at(buf, &i, "* has left a message ") ||
3406 looking_at(buf, &i, "* just sent you a message:\n") ||
3407 /* Whispers and kibitzes */
3408 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3409 looking_at(buf, &i, "* kibitzes: ") ||
3411 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3413 if (tkind == 1 && strchr(star_match[0], ':')) {
3414 /* Avoid "tells you:" spoofs in channels */
3417 if (star_match[0][0] == NULLCHAR ||
3418 strchr(star_match[0], ' ') ||
3419 (tkind == 3 && strchr(star_match[1], ' '))) {
3420 /* Reject bogus matches */
3423 if (appData.colorize) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorTell, FALSE);
3431 curColor = ColorTell;
3434 Colorize(ColorKibitz, FALSE);
3435 curColor = ColorKibitz;
3438 p = strrchr(star_match[1], '(');
3445 Colorize(ColorChannel1, FALSE);
3446 curColor = ColorChannel1;
3448 Colorize(ColorChannel, FALSE);
3449 curColor = ColorChannel;
3453 curColor = ColorNormal;
3457 if (started == STARTED_NONE && appData.autoComment &&
3458 (gameMode == IcsObserving ||
3459 gameMode == IcsPlayingWhite ||
3460 gameMode == IcsPlayingBlack)) {
3461 parse_pos = i - oldi;
3462 memcpy(parse, &buf[oldi], parse_pos);
3463 parse[parse_pos] = NULLCHAR;
3464 started = STARTED_COMMENT;
3465 savingComment = TRUE;
3466 } else if(collective != 3) {
3467 started = STARTED_CHATTER;
3468 savingComment = FALSE;
3475 if (looking_at(buf, &i, "* s-shouts: ") ||
3476 looking_at(buf, &i, "* c-shouts: ")) {
3477 if (appData.colorize) {
3478 if (oldi > next_out) {
3479 SendToPlayer(&buf[next_out], oldi - next_out);
3482 Colorize(ColorSShout, FALSE);
3483 curColor = ColorSShout;
3486 started = STARTED_CHATTER;
3490 if (looking_at(buf, &i, "--->")) {
3495 if (looking_at(buf, &i, "* shouts: ") ||
3496 looking_at(buf, &i, "--> ")) {
3497 if (appData.colorize) {
3498 if (oldi > next_out) {
3499 SendToPlayer(&buf[next_out], oldi - next_out);
3502 Colorize(ColorShout, FALSE);
3503 curColor = ColorShout;
3506 started = STARTED_CHATTER;
3510 if (looking_at( buf, &i, "Challenge:")) {
3511 if (appData.colorize) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorChallenge, FALSE);
3517 curColor = ColorChallenge;
3523 if (looking_at(buf, &i, "* offers you") ||
3524 looking_at(buf, &i, "* offers to be") ||
3525 looking_at(buf, &i, "* would like to") ||
3526 looking_at(buf, &i, "* requests to") ||
3527 looking_at(buf, &i, "Your opponent offers") ||
3528 looking_at(buf, &i, "Your opponent requests")) {
3530 if (appData.colorize) {
3531 if (oldi > next_out) {
3532 SendToPlayer(&buf[next_out], oldi - next_out);
3535 Colorize(ColorRequest, FALSE);
3536 curColor = ColorRequest;
3541 if (looking_at(buf, &i, "* (*) seeking")) {
3542 if (appData.colorize) {
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 Colorize(ColorSeek, FALSE);
3548 curColor = ColorSeek;
3553 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3555 if (looking_at(buf, &i, "\\ ")) {
3556 if (prevColor != ColorNormal) {
3557 if (oldi > next_out) {
3558 SendToPlayer(&buf[next_out], oldi - next_out);
3561 Colorize(prevColor, TRUE);
3562 curColor = prevColor;
3564 if (savingComment) {
3565 parse_pos = i - oldi;
3566 memcpy(parse, &buf[oldi], parse_pos);
3567 parse[parse_pos] = NULLCHAR;
3568 started = STARTED_COMMENT;
3569 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3570 chattingPartner = savingComment - 3; // kludge to remember the box
3572 started = STARTED_CHATTER;
3577 if (looking_at(buf, &i, "Black Strength :") ||
3578 looking_at(buf, &i, "<<< style 10 board >>>") ||
3579 looking_at(buf, &i, "<10>") ||
3580 looking_at(buf, &i, "#@#")) {
3581 /* Wrong board style */
3583 SendToICS(ics_prefix);
3584 SendToICS("set style 12\n");
3585 SendToICS(ics_prefix);
3586 SendToICS("refresh\n");
3590 if (looking_at(buf, &i, "login:")) {
3591 if (!have_sent_ICS_logon) {
3593 have_sent_ICS_logon = 1;
3594 else // no init script was found
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3596 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3597 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3602 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3603 (looking_at(buf, &i, "\n<12> ") ||
3604 looking_at(buf, &i, "<12> "))) {
3606 if (oldi > next_out) {
3607 SendToPlayer(&buf[next_out], oldi - next_out);
3610 started = STARTED_BOARD;
3615 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3616 looking_at(buf, &i, "<b1> ")) {
3617 if (oldi > next_out) {
3618 SendToPlayer(&buf[next_out], oldi - next_out);
3621 started = STARTED_HOLDINGS;
3626 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3628 /* Header for a move list -- first line */
3630 switch (ics_getting_history) {
3634 case BeginningOfGame:
3635 /* User typed "moves" or "oldmoves" while we
3636 were idle. Pretend we asked for these
3637 moves and soak them up so user can step
3638 through them and/or save them.
3641 gameMode = IcsObserving;
3644 ics_getting_history = H_GOT_UNREQ_HEADER;
3646 case EditGame: /*?*/
3647 case EditPosition: /*?*/
3648 /* Should above feature work in these modes too? */
3649 /* For now it doesn't */
3650 ics_getting_history = H_GOT_UNWANTED_HEADER;
3653 ics_getting_history = H_GOT_UNWANTED_HEADER;
3658 /* Is this the right one? */
3659 if (gameInfo.white && gameInfo.black &&
3660 strcmp(gameInfo.white, star_match[0]) == 0 &&
3661 strcmp(gameInfo.black, star_match[2]) == 0) {
3663 ics_getting_history = H_GOT_REQ_HEADER;
3666 case H_GOT_REQ_HEADER:
3667 case H_GOT_UNREQ_HEADER:
3668 case H_GOT_UNWANTED_HEADER:
3669 case H_GETTING_MOVES:
3670 /* Should not happen */
3671 DisplayError(_("Error gathering move list: two headers"), 0);
3672 ics_getting_history = H_FALSE;
3676 /* Save player ratings into gameInfo if needed */
3677 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3678 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3679 (gameInfo.whiteRating == -1 ||
3680 gameInfo.blackRating == -1)) {
3682 gameInfo.whiteRating = string_to_rating(star_match[1]);
3683 gameInfo.blackRating = string_to_rating(star_match[3]);
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3686 gameInfo.whiteRating, gameInfo.blackRating);
3691 if (looking_at(buf, &i,
3692 "* * match, initial time: * minute*, increment: * second")) {
3693 /* Header for a move list -- second line */
3694 /* Initial board will follow if this is a wild game */
3695 if (gameInfo.event != NULL) free(gameInfo.event);
3696 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3697 gameInfo.event = StrSave(str);
3698 /* [HGM] we switched variant. Translate boards if needed. */
3699 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3703 if (looking_at(buf, &i, "Move ")) {
3704 /* Beginning of a move list */
3705 switch (ics_getting_history) {
3707 /* Normally should not happen */
3708 /* Maybe user hit reset while we were parsing */
3711 /* Happens if we are ignoring a move list that is not
3712 * the one we just requested. Common if the user
3713 * tries to observe two games without turning off
3716 case H_GETTING_MOVES:
3717 /* Should not happen */
3718 DisplayError(_("Error gathering move list: nested"), 0);
3719 ics_getting_history = H_FALSE;
3721 case H_GOT_REQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES;
3725 if (oldi > next_out) {
3726 SendToPlayer(&buf[next_out], oldi - next_out);
3729 case H_GOT_UNREQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES_NOHIDE;
3734 case H_GOT_UNWANTED_HEADER:
3735 ics_getting_history = H_FALSE;
3741 if (looking_at(buf, &i, "% ") ||
3742 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3743 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3744 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3745 soughtPending = FALSE;
3749 if(suppressKibitz) next_out = i;
3750 savingComment = FALSE;
3754 case STARTED_MOVES_NOHIDE:
3755 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3756 parse[parse_pos + i - oldi] = NULLCHAR;
3757 ParseGameHistory(parse);
3759 if (appData.zippyPlay && first.initDone) {
3760 FeedMovesToProgram(&first, forwardMostMove);
3761 if (gameMode == IcsPlayingWhite) {
3762 if (WhiteOnMove(forwardMostMove)) {
3763 if (first.sendTime) {
3764 if (first.useColors) {
3765 SendToProgram("black\n", &first);
3767 SendTimeRemaining(&first, TRUE);
3769 if (first.useColors) {
3770 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3773 first.maybeThinking = TRUE;
3775 if (first.usePlayother) {
3776 if (first.sendTime) {
3777 SendTimeRemaining(&first, TRUE);
3779 SendToProgram("playother\n", &first);
3785 } else if (gameMode == IcsPlayingBlack) {
3786 if (!WhiteOnMove(forwardMostMove)) {
3787 if (first.sendTime) {
3788 if (first.useColors) {
3789 SendToProgram("white\n", &first);
3791 SendTimeRemaining(&first, FALSE);
3793 if (first.useColors) {
3794 SendToProgram("black\n", &first);
3796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3797 first.maybeThinking = TRUE;
3799 if (first.usePlayother) {
3800 if (first.sendTime) {
3801 SendTimeRemaining(&first, FALSE);
3803 SendToProgram("playother\n", &first);
3812 if (gameMode == IcsObserving && ics_gamenum == -1) {
3813 /* Moves came from oldmoves or moves command
3814 while we weren't doing anything else.
3816 currentMove = forwardMostMove;
3817 ClearHighlights();/*!!could figure this out*/
3818 flipView = appData.flipView;
3819 DrawPosition(TRUE, boards[currentMove]);
3820 DisplayBothClocks();
3821 snprintf(str, MSG_SIZ, "%s %s %s",
3822 gameInfo.white, _("vs."), gameInfo.black);
3826 /* Moves were history of an active game */
3827 if (gameInfo.resultDetails != NULL) {
3828 free(gameInfo.resultDetails);
3829 gameInfo.resultDetails = NULL;
3832 HistorySet(parseList, backwardMostMove,
3833 forwardMostMove, currentMove-1);
3834 DisplayMove(currentMove - 1);
3835 if (started == STARTED_MOVES) next_out = i;
3836 started = STARTED_NONE;
3837 ics_getting_history = H_FALSE;
3840 case STARTED_OBSERVE:
3841 started = STARTED_NONE;
3842 SendToICS(ics_prefix);
3843 SendToICS("refresh\n");
3849 if(bookHit) { // [HGM] book: simulate book reply
3850 static char bookMove[MSG_SIZ]; // a bit generous?
3852 programStats.nodes = programStats.depth = programStats.time =
3853 programStats.score = programStats.got_only_move = 0;
3854 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3856 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3857 strcat(bookMove, bookHit);
3858 HandleMachineMove(bookMove, &first);
3863 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3864 started == STARTED_HOLDINGS ||
3865 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3866 /* Accumulate characters in move list or board */
3867 parse[parse_pos++] = buf[i];
3870 /* Start of game messages. Mostly we detect start of game
3871 when the first board image arrives. On some versions
3872 of the ICS, though, we need to do a "refresh" after starting
3873 to observe in order to get the current board right away. */
3874 if (looking_at(buf, &i, "Adding game * to observation list")) {
3875 started = STARTED_OBSERVE;
3879 /* Handle auto-observe */
3880 if (appData.autoObserve &&
3881 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3882 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3884 /* Choose the player that was highlighted, if any. */
3885 if (star_match[0][0] == '\033' ||
3886 star_match[1][0] != '\033') {
3887 player = star_match[0];
3889 player = star_match[2];
3891 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3892 ics_prefix, StripHighlightAndTitle(player));
3895 /* Save ratings from notify string */
3896 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3897 player1Rating = string_to_rating(star_match[1]);
3898 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3899 player2Rating = string_to_rating(star_match[3]);
3901 if (appData.debugMode)
3903 "Ratings from 'Game notification:' %s %d, %s %d\n",
3904 player1Name, player1Rating,
3905 player2Name, player2Rating);
3910 /* Deal with automatic examine mode after a game,
3911 and with IcsObserving -> IcsExamining transition */
3912 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3913 looking_at(buf, &i, "has made you an examiner of game *")) {
3915 int gamenum = atoi(star_match[0]);
3916 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3917 gamenum == ics_gamenum) {
3918 /* We were already playing or observing this game;
3919 no need to refetch history */
3920 gameMode = IcsExamining;
3922 pauseExamForwardMostMove = forwardMostMove;
3923 } else if (currentMove < forwardMostMove) {
3924 ForwardInner(forwardMostMove);
3927 /* I don't think this case really can happen */
3928 SendToICS(ics_prefix);
3929 SendToICS("refresh\n");
3934 /* Error messages */
3935 // if (ics_user_moved) {
3936 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3937 if (looking_at(buf, &i, "Illegal move") ||
3938 looking_at(buf, &i, "Not a legal move") ||
3939 looking_at(buf, &i, "Your king is in check") ||
3940 looking_at(buf, &i, "It isn't your turn") ||
3941 looking_at(buf, &i, "It is not your move")) {
3943 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3944 currentMove = forwardMostMove-1;
3945 DisplayMove(currentMove - 1); /* before DMError */
3946 DrawPosition(FALSE, boards[currentMove]);
3947 SwitchClocks(forwardMostMove-1); // [HGM] race
3948 DisplayBothClocks();
3950 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3956 if (looking_at(buf, &i, "still have time") ||
3957 looking_at(buf, &i, "not out of time") ||
3958 looking_at(buf, &i, "either player is out of time") ||
3959 looking_at(buf, &i, "has timeseal; checking")) {
3960 /* We must have called his flag a little too soon */
3961 whiteFlag = blackFlag = FALSE;
3965 if (looking_at(buf, &i, "added * seconds to") ||
3966 looking_at(buf, &i, "seconds were added to")) {
3967 /* Update the clocks */
3968 SendToICS(ics_prefix);
3969 SendToICS("refresh\n");
3973 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3974 ics_clock_paused = TRUE;
3979 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3980 ics_clock_paused = FALSE;
3985 /* Grab player ratings from the Creating: message.
3986 Note we have to check for the special case when
3987 the ICS inserts things like [white] or [black]. */
3988 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3989 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3991 0 player 1 name (not necessarily white)
3993 2 empty, white, or black (IGNORED)
3994 3 player 2 name (not necessarily black)
3997 The names/ratings are sorted out when the game
3998 actually starts (below).
4000 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4001 player1Rating = string_to_rating(star_match[1]);
4002 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4003 player2Rating = string_to_rating(star_match[4]);
4005 if (appData.debugMode)
4007 "Ratings from 'Creating:' %s %d, %s %d\n",
4008 player1Name, player1Rating,
4009 player2Name, player2Rating);
4014 /* Improved generic start/end-of-game messages */
4015 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4016 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4017 /* If tkind == 0: */
4018 /* star_match[0] is the game number */
4019 /* [1] is the white player's name */
4020 /* [2] is the black player's name */
4021 /* For end-of-game: */
4022 /* [3] is the reason for the game end */
4023 /* [4] is a PGN end game-token, preceded by " " */
4024 /* For start-of-game: */
4025 /* [3] begins with "Creating" or "Continuing" */
4026 /* [4] is " *" or empty (don't care). */
4027 int gamenum = atoi(star_match[0]);
4028 char *whitename, *blackname, *why, *endtoken;
4029 ChessMove endtype = EndOfFile;
4032 whitename = star_match[1];
4033 blackname = star_match[2];
4034 why = star_match[3];
4035 endtoken = star_match[4];
4037 whitename = star_match[1];
4038 blackname = star_match[3];
4039 why = star_match[5];
4040 endtoken = star_match[6];
4043 /* Game start messages */
4044 if (strncmp(why, "Creating ", 9) == 0 ||
4045 strncmp(why, "Continuing ", 11) == 0) {
4046 gs_gamenum = gamenum;
4047 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4048 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4049 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4051 if (appData.zippyPlay) {
4052 ZippyGameStart(whitename, blackname);
4055 partnerBoardValid = FALSE; // [HGM] bughouse
4059 /* Game end messages */
4060 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4061 ics_gamenum != gamenum) {
4064 while (endtoken[0] == ' ') endtoken++;
4065 switch (endtoken[0]) {
4068 endtype = GameUnfinished;
4071 endtype = BlackWins;
4074 if (endtoken[1] == '/')
4075 endtype = GameIsDrawn;
4077 endtype = WhiteWins;
4080 GameEnds(endtype, why, GE_ICS);
4082 if (appData.zippyPlay && first.initDone) {
4083 ZippyGameEnd(endtype, why);
4084 if (first.pr == NoProc) {
4085 /* Start the next process early so that we'll
4086 be ready for the next challenge */
4087 StartChessProgram(&first);
4089 /* Send "new" early, in case this command takes
4090 a long time to finish, so that we'll be ready
4091 for the next challenge. */
4092 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4096 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4100 if (looking_at(buf, &i, "Removing game * from observation") ||
4101 looking_at(buf, &i, "no longer observing game *") ||
4102 looking_at(buf, &i, "Game * (*) has no examiners")) {
4103 if (gameMode == IcsObserving &&
4104 atoi(star_match[0]) == ics_gamenum)
4106 /* icsEngineAnalyze */
4107 if (appData.icsEngineAnalyze) {
4114 ics_user_moved = FALSE;
4119 if (looking_at(buf, &i, "no longer examining game *")) {
4120 if (gameMode == IcsExamining &&
4121 atoi(star_match[0]) == ics_gamenum)
4125 ics_user_moved = FALSE;
4130 /* Advance leftover_start past any newlines we find,
4131 so only partial lines can get reparsed */
4132 if (looking_at(buf, &i, "\n")) {
4133 prevColor = curColor;
4134 if (curColor != ColorNormal) {
4135 if (oldi > next_out) {
4136 SendToPlayer(&buf[next_out], oldi - next_out);
4139 Colorize(ColorNormal, FALSE);
4140 curColor = ColorNormal;
4142 if (started == STARTED_BOARD) {
4143 started = STARTED_NONE;
4144 parse[parse_pos] = NULLCHAR;
4145 ParseBoard12(parse);
4148 /* Send premove here */
4149 if (appData.premove) {
4151 if (currentMove == 0 &&
4152 gameMode == IcsPlayingWhite &&
4153 appData.premoveWhite) {
4154 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4155 if (appData.debugMode)
4156 fprintf(debugFP, "Sending premove:\n");
4158 } else if (currentMove == 1 &&
4159 gameMode == IcsPlayingBlack &&
4160 appData.premoveBlack) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (gotPremove) {
4166 int oldFMM = forwardMostMove;
4168 ClearPremoveHighlights();
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4171 UserMoveEvent(premoveFromX, premoveFromY,
4172 premoveToX, premoveToY,
4174 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4175 if(moveList[oldFMM-1][1] != '@')
4176 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4177 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4179 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4184 /* Usually suppress following prompt */
4185 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4186 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4187 if (looking_at(buf, &i, "*% ")) {
4188 savingComment = FALSE;
4193 } else if (started == STARTED_HOLDINGS) {
4195 char new_piece[MSG_SIZ];
4196 started = STARTED_NONE;
4197 parse[parse_pos] = NULLCHAR;
4198 if (appData.debugMode)
4199 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4200 parse, currentMove);
4201 if (sscanf(parse, " game %d", &gamenum) == 1) {
4202 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4203 if (gameInfo.variant == VariantNormal) {
4204 /* [HGM] We seem to switch variant during a game!
4205 * Presumably no holdings were displayed, so we have
4206 * to move the position two files to the right to
4207 * create room for them!
4209 VariantClass newVariant;
4210 switch(gameInfo.boardWidth) { // base guess on board width
4211 case 9: newVariant = VariantShogi; break;
4212 case 10: newVariant = VariantGreat; break;
4213 default: newVariant = VariantCrazyhouse; break;
4215 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4216 /* Get a move list just to see the header, which
4217 will tell us whether this is really bug or zh */
4218 if (ics_getting_history == H_FALSE) {
4219 ics_getting_history = H_REQUESTED;
4220 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4224 new_piece[0] = NULLCHAR;
4225 sscanf(parse, "game %d white [%s black [%s <- %s",
4226 &gamenum, white_holding, black_holding,
4228 white_holding[strlen(white_holding)-1] = NULLCHAR;
4229 black_holding[strlen(black_holding)-1] = NULLCHAR;
4230 /* [HGM] copy holdings to board holdings area */
4231 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4232 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4233 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4235 if (appData.zippyPlay && first.initDone) {
4236 ZippyHoldings(white_holding, black_holding,
4240 if (tinyLayout || smallLayout) {
4241 char wh[16], bh[16];
4242 PackHolding(wh, white_holding);
4243 PackHolding(bh, black_holding);
4244 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4245 gameInfo.white, gameInfo.black);
4247 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4248 gameInfo.white, white_holding, _("vs."),
4249 gameInfo.black, black_holding);
4251 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4252 DrawPosition(FALSE, boards[currentMove]);
4254 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4255 sscanf(parse, "game %d white [%s black [%s <- %s",
4256 &gamenum, white_holding, black_holding,
4258 white_holding[strlen(white_holding)-1] = NULLCHAR;
4259 black_holding[strlen(black_holding)-1] = NULLCHAR;
4260 /* [HGM] copy holdings to partner-board holdings area */
4261 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4262 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4263 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4264 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4265 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4268 /* Suppress following prompt */
4269 if (looking_at(buf, &i, "*% ")) {
4270 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4271 savingComment = FALSE;
4279 i++; /* skip unparsed character and loop back */
4282 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4283 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4284 // SendToPlayer(&buf[next_out], i - next_out);
4285 started != STARTED_HOLDINGS && leftover_start > next_out) {
4286 SendToPlayer(&buf[next_out], leftover_start - next_out);
4290 leftover_len = buf_len - leftover_start;
4291 /* if buffer ends with something we couldn't parse,
4292 reparse it after appending the next read */
4294 } else if (count == 0) {
4295 RemoveInputSource(isr);
4296 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4298 DisplayFatalError(_("Error reading from ICS"), error, 1);
4303 /* Board style 12 looks like this:
4305 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4307 * The "<12> " is stripped before it gets to this routine. The two
4308 * trailing 0's (flip state and clock ticking) are later addition, and
4309 * some chess servers may not have them, or may have only the first.
4310 * Additional trailing fields may be added in the future.
4313 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4315 #define RELATION_OBSERVING_PLAYED 0
4316 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4317 #define RELATION_PLAYING_MYMOVE 1
4318 #define RELATION_PLAYING_NOTMYMOVE -1
4319 #define RELATION_EXAMINING 2
4320 #define RELATION_ISOLATED_BOARD -3
4321 #define RELATION_STARTING_POSITION -4 /* FICS only */
4324 ParseBoard12 (char *string)
4328 char *bookHit = NULL; // [HGM] book
4330 GameMode newGameMode;
4331 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4332 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4333 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4334 char to_play, board_chars[200];
4335 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4336 char black[32], white[32];
4338 int prevMove = currentMove;
4341 int fromX, fromY, toX, toY;
4343 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4344 Boolean weird = FALSE, reqFlag = FALSE;
4346 fromX = fromY = toX = toY = -1;
4350 if (appData.debugMode)
4351 fprintf(debugFP, "Parsing board: %s\n", string);
4353 move_str[0] = NULLCHAR;
4354 elapsed_time[0] = NULLCHAR;
4355 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4357 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4358 if(string[i] == ' ') { ranks++; files = 0; }
4360 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4363 for(j = 0; j <i; j++) board_chars[j] = string[j];
4364 board_chars[i] = '\0';
4367 n = sscanf(string, PATTERN, &to_play, &double_push,
4368 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4369 &gamenum, white, black, &relation, &basetime, &increment,
4370 &white_stren, &black_stren, &white_time, &black_time,
4371 &moveNum, str, elapsed_time, move_str, &ics_flip,
4375 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4376 DisplayError(str, 0);
4380 /* Convert the move number to internal form */
4381 moveNum = (moveNum - 1) * 2;
4382 if (to_play == 'B') moveNum++;
4383 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4390 case RELATION_OBSERVING_PLAYED:
4391 case RELATION_OBSERVING_STATIC:
4392 if (gamenum == -1) {
4393 /* Old ICC buglet */
4394 relation = RELATION_OBSERVING_STATIC;
4396 newGameMode = IcsObserving;
4398 case RELATION_PLAYING_MYMOVE:
4399 case RELATION_PLAYING_NOTMYMOVE:
4401 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4402 IcsPlayingWhite : IcsPlayingBlack;
4403 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4405 case RELATION_EXAMINING:
4406 newGameMode = IcsExamining;
4408 case RELATION_ISOLATED_BOARD:
4410 /* Just display this board. If user was doing something else,
4411 we will forget about it until the next board comes. */
4412 newGameMode = IcsIdle;
4414 case RELATION_STARTING_POSITION:
4415 newGameMode = gameMode;
4419 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4420 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4421 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4422 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4423 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4424 static int lastBgGame = -1;
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 CopyBoard(partnerBoard, board);
4435 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4436 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4437 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4438 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4439 if(toSqr = strchr(str, '-')) {
4440 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4441 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4442 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4443 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4444 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4445 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4447 DisplayWhiteClock(white_time*fac, to_play == 'W');
4448 DisplayBlackClock(black_time*fac, to_play != 'W');
4449 activePartner = to_play;
4450 if(gamenum != lastBgGame) {
4452 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4455 lastBgGame = gamenum;
4456 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4457 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4458 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4459 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4460 if(!twoBoards) DisplayMessage(partnerStatus, "");
4461 partnerBoardValid = TRUE;
4465 if(appData.dualBoard && appData.bgObserve) {
4466 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4467 SendToICS(ics_prefix), SendToICS("pobserve\n");
4468 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4470 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4475 /* Modify behavior for initial board display on move listing
4478 switch (ics_getting_history) {
4482 case H_GOT_REQ_HEADER:
4483 case H_GOT_UNREQ_HEADER:
4484 /* This is the initial position of the current game */
4485 gamenum = ics_gamenum;
4486 moveNum = 0; /* old ICS bug workaround */
4487 if (to_play == 'B') {
4488 startedFromSetupPosition = TRUE;
4489 blackPlaysFirst = TRUE;
4491 if (forwardMostMove == 0) forwardMostMove = 1;
4492 if (backwardMostMove == 0) backwardMostMove = 1;
4493 if (currentMove == 0) currentMove = 1;
4495 newGameMode = gameMode;
4496 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4498 case H_GOT_UNWANTED_HEADER:
4499 /* This is an initial board that we don't want */
4501 case H_GETTING_MOVES:
4502 /* Should not happen */
4503 DisplayError(_("Error gathering move list: extra board"), 0);
4504 ics_getting_history = H_FALSE;
4508 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4509 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4510 weird && (int)gameInfo.variant < (int)VariantShogi) {
4511 /* [HGM] We seem to have switched variant unexpectedly
4512 * Try to guess new variant from board size
4514 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4515 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4516 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4517 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4518 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4519 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4520 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4521 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4522 /* Get a move list just to see the header, which
4523 will tell us whether this is really bug or zh */
4524 if (ics_getting_history == H_FALSE) {
4525 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4531 /* Take action if this is the first board of a new game, or of a
4532 different game than is currently being displayed. */
4533 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4534 relation == RELATION_ISOLATED_BOARD) {
4536 /* Forget the old game and get the history (if any) of the new one */
4537 if (gameMode != BeginningOfGame) {
4541 if (appData.autoRaiseBoard) BoardToTop();
4543 if (gamenum == -1) {
4544 newGameMode = IcsIdle;
4545 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4546 appData.getMoveList && !reqFlag) {
4547 /* Need to get game history */
4548 ics_getting_history = H_REQUESTED;
4549 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 /* Initially flip the board to have black on the bottom if playing
4554 black or if the ICS flip flag is set, but let the user change
4555 it with the Flip View button. */
4556 flipView = appData.autoFlipView ?
4557 (newGameMode == IcsPlayingBlack) || ics_flip :
4560 /* Done with values from previous mode; copy in new ones */
4561 gameMode = newGameMode;
4563 ics_gamenum = gamenum;
4564 if (gamenum == gs_gamenum) {
4565 int klen = strlen(gs_kind);
4566 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4567 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4568 gameInfo.event = StrSave(str);
4570 gameInfo.event = StrSave("ICS game");
4572 gameInfo.site = StrSave(appData.icsHost);
4573 gameInfo.date = PGNDate();
4574 gameInfo.round = StrSave("-");
4575 gameInfo.white = StrSave(white);
4576 gameInfo.black = StrSave(black);
4577 timeControl = basetime * 60 * 1000;
4579 timeIncrement = increment * 1000;
4580 movesPerSession = 0;
4581 gameInfo.timeControl = TimeControlTagValue();
4582 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4583 if (appData.debugMode) {
4584 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4585 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4586 setbuf(debugFP, NULL);
4589 gameInfo.outOfBook = NULL;
4591 /* Do we have the ratings? */
4592 if (strcmp(player1Name, white) == 0 &&
4593 strcmp(player2Name, black) == 0) {
4594 if (appData.debugMode)
4595 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4596 player1Rating, player2Rating);
4597 gameInfo.whiteRating = player1Rating;
4598 gameInfo.blackRating = player2Rating;
4599 } else if (strcmp(player2Name, white) == 0 &&
4600 strcmp(player1Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player2Rating, player1Rating);
4604 gameInfo.whiteRating = player2Rating;
4605 gameInfo.blackRating = player1Rating;
4607 player1Name[0] = player2Name[0] = NULLCHAR;
4609 /* Silence shouts if requested */
4610 if (appData.quietPlay &&
4611 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4612 SendToICS(ics_prefix);
4613 SendToICS("set shout 0\n");
4617 /* Deal with midgame name changes */
4619 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4620 if (gameInfo.white) free(gameInfo.white);
4621 gameInfo.white = StrSave(white);
4623 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4624 if (gameInfo.black) free(gameInfo.black);
4625 gameInfo.black = StrSave(black);
4629 /* Throw away game result if anything actually changes in examine mode */
4630 if (gameMode == IcsExamining && !newGame) {
4631 gameInfo.result = GameUnfinished;
4632 if (gameInfo.resultDetails != NULL) {
4633 free(gameInfo.resultDetails);
4634 gameInfo.resultDetails = NULL;
4638 /* In pausing && IcsExamining mode, we ignore boards coming
4639 in if they are in a different variation than we are. */
4640 if (pauseExamInvalid) return;
4641 if (pausing && gameMode == IcsExamining) {
4642 if (moveNum <= pauseExamForwardMostMove) {
4643 pauseExamInvalid = TRUE;
4644 forwardMostMove = pauseExamForwardMostMove;
4649 if (appData.debugMode) {
4650 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4652 /* Parse the board */
4653 for (k = 0; k < ranks; k++) {
4654 for (j = 0; j < files; j++)
4655 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4656 if(gameInfo.holdingsWidth > 1) {
4657 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4658 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4661 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4662 board[5][BOARD_RGHT+1] = WhiteAngel;
4663 board[6][BOARD_RGHT+1] = WhiteMarshall;
4664 board[1][0] = BlackMarshall;
4665 board[2][0] = BlackAngel;
4666 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4668 CopyBoard(boards[moveNum], board);
4669 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4671 startedFromSetupPosition =
4672 !CompareBoards(board, initialPosition);
4673 if(startedFromSetupPosition)
4674 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4677 /* [HGM] Set castling rights. Take the outermost Rooks,
4678 to make it also work for FRC opening positions. Note that board12
4679 is really defective for later FRC positions, as it has no way to
4680 indicate which Rook can castle if they are on the same side of King.
4681 For the initial position we grant rights to the outermost Rooks,
4682 and remember thos rights, and we then copy them on positions
4683 later in an FRC game. This means WB might not recognize castlings with
4684 Rooks that have moved back to their original position as illegal,
4685 but in ICS mode that is not its job anyway.
4687 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4688 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4690 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4691 if(board[0][i] == WhiteRook) j = i;
4692 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4693 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4694 if(board[0][i] == WhiteRook) j = i;
4695 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4696 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4697 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4698 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4699 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4700 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4701 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4704 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4705 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4706 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4707 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4708 if(board[BOARD_HEIGHT-1][k] == bKing)
4709 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4710 if(gameInfo.variant == VariantTwoKings) {
4711 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4712 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4713 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4716 r = boards[moveNum][CASTLING][0] = initialRights[0];
4717 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4718 r = boards[moveNum][CASTLING][1] = initialRights[1];
4719 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4720 r = boards[moveNum][CASTLING][3] = initialRights[3];
4721 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4722 r = boards[moveNum][CASTLING][4] = initialRights[4];
4723 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4724 /* wildcastle kludge: always assume King has rights */
4725 r = boards[moveNum][CASTLING][2] = initialRights[2];
4726 r = boards[moveNum][CASTLING][5] = initialRights[5];
4728 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4729 boards[moveNum][EP_STATUS] = EP_NONE;
4730 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4731 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4732 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4735 if (ics_getting_history == H_GOT_REQ_HEADER ||
4736 ics_getting_history == H_GOT_UNREQ_HEADER) {
4737 /* This was an initial position from a move list, not
4738 the current position */
4742 /* Update currentMove and known move number limits */
4743 newMove = newGame || moveNum > forwardMostMove;
4746 forwardMostMove = backwardMostMove = currentMove = moveNum;
4747 if (gameMode == IcsExamining && moveNum == 0) {
4748 /* Workaround for ICS limitation: we are not told the wild
4749 type when starting to examine a game. But if we ask for
4750 the move list, the move list header will tell us */
4751 ics_getting_history = H_REQUESTED;
4752 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4755 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4756 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4758 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4759 /* [HGM] applied this also to an engine that is silently watching */
4760 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4761 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4762 gameInfo.variant == currentlyInitializedVariant) {
4763 takeback = forwardMostMove - moveNum;
4764 for (i = 0; i < takeback; i++) {
4765 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4766 SendToProgram("undo\n", &first);
4771 forwardMostMove = moveNum;
4772 if (!pausing || currentMove > forwardMostMove)
4773 currentMove = forwardMostMove;
4775 /* New part of history that is not contiguous with old part */
4776 if (pausing && gameMode == IcsExamining) {
4777 pauseExamInvalid = TRUE;
4778 forwardMostMove = pauseExamForwardMostMove;
4781 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4783 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4784 // [HGM] when we will receive the move list we now request, it will be
4785 // fed to the engine from the first move on. So if the engine is not
4786 // in the initial position now, bring it there.
4787 InitChessProgram(&first, 0);
4790 ics_getting_history = H_REQUESTED;
4791 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4794 forwardMostMove = backwardMostMove = currentMove = moveNum;
4797 /* Update the clocks */
4798 if (strchr(elapsed_time, '.')) {
4800 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4801 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4803 /* Time is in seconds */
4804 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4805 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4810 if (appData.zippyPlay && newGame &&
4811 gameMode != IcsObserving && gameMode != IcsIdle &&
4812 gameMode != IcsExamining)
4813 ZippyFirstBoard(moveNum, basetime, increment);
4816 /* Put the move on the move list, first converting
4817 to canonical algebraic form. */
4819 if (appData.debugMode) {
4820 int f = forwardMostMove;
4821 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4822 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4823 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4824 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4825 fprintf(debugFP, "moveNum = %d\n", moveNum);
4826 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4827 setbuf(debugFP, NULL);
4829 if (moveNum <= backwardMostMove) {
4830 /* We don't know what the board looked like before
4832 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4833 strcat(parseList[moveNum - 1], " ");
4834 strcat(parseList[moveNum - 1], elapsed_time);
4835 moveList[moveNum - 1][0] = NULLCHAR;
4836 } else if (strcmp(move_str, "none") == 0) {
4837 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4838 /* Again, we don't know what the board looked like;
4839 this is really the start of the game. */
4840 parseList[moveNum - 1][0] = NULLCHAR;
4841 moveList[moveNum - 1][0] = NULLCHAR;
4842 backwardMostMove = moveNum;
4843 startedFromSetupPosition = TRUE;
4844 fromX = fromY = toX = toY = -1;
4846 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4847 // So we parse the long-algebraic move string in stead of the SAN move
4848 int valid; char buf[MSG_SIZ], *prom;
4850 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4851 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4852 // str looks something like "Q/a1-a2"; kill the slash
4854 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4855 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4856 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4857 strcat(buf, prom); // long move lacks promo specification!
4858 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4859 if(appData.debugMode)
4860 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4861 safeStrCpy(move_str, buf, MSG_SIZ);
4863 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4864 &fromX, &fromY, &toX, &toY, &promoChar)
4865 || ParseOneMove(buf, moveNum - 1, &moveType,
4866 &fromX, &fromY, &toX, &toY, &promoChar);
4867 // end of long SAN patch
4869 (void) CoordsToAlgebraic(boards[moveNum - 1],
4870 PosFlags(moveNum - 1),
4871 fromY, fromX, toY, toX, promoChar,
4872 parseList[moveNum-1]);
4873 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4879 if(!IS_SHOGI(gameInfo.variant))
4880 strcat(parseList[moveNum - 1], "+");
4883 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4884 strcat(parseList[moveNum - 1], "#");
4887 strcat(parseList[moveNum - 1], " ");
4888 strcat(parseList[moveNum - 1], elapsed_time);
4889 /* currentMoveString is set as a side-effect of ParseOneMove */
4890 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4891 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4892 strcat(moveList[moveNum - 1], "\n");
4894 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4895 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4896 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4897 ChessSquare old, new = boards[moveNum][k][j];
4898 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4899 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4900 if(old == new) continue;
4901 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4902 else if(new == WhiteWazir || new == BlackWazir) {
4903 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4904 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4905 else boards[moveNum][k][j] = old; // preserve type of Gold
4906 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4907 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4910 /* Move from ICS was illegal!? Punt. */
4911 if (appData.debugMode) {
4912 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4915 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4916 strcat(parseList[moveNum - 1], " ");
4917 strcat(parseList[moveNum - 1], elapsed_time);
4918 moveList[moveNum - 1][0] = NULLCHAR;
4919 fromX = fromY = toX = toY = -1;
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4924 setbuf(debugFP, NULL);
4928 /* Send move to chess program (BEFORE animating it). */
4929 if (appData.zippyPlay && !newGame && newMove &&
4930 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4932 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4933 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4934 if (moveList[moveNum - 1][0] == NULLCHAR) {
4935 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4937 DisplayError(str, 0);
4939 if (first.sendTime) {
4940 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4942 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4943 if (firstMove && !bookHit) {
4945 if (first.useColors) {
4946 SendToProgram(gameMode == IcsPlayingWhite ?
4948 "black\ngo\n", &first);
4950 SendToProgram("go\n", &first);
4952 first.maybeThinking = TRUE;
4955 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4956 if (moveList[moveNum - 1][0] == NULLCHAR) {
4957 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4958 DisplayError(str, 0);
4960 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4961 SendMoveToProgram(moveNum - 1, &first);
4968 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4969 /* If move comes from a remote source, animate it. If it
4970 isn't remote, it will have already been animated. */
4971 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4972 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4974 if (!pausing && appData.highlightLastMove) {
4975 SetHighlights(fromX, fromY, toX, toY);
4979 /* Start the clocks */
4980 whiteFlag = blackFlag = FALSE;
4981 appData.clockMode = !(basetime == 0 && increment == 0);
4983 ics_clock_paused = TRUE;
4985 } else if (ticking == 1) {
4986 ics_clock_paused = FALSE;
4988 if (gameMode == IcsIdle ||
4989 relation == RELATION_OBSERVING_STATIC ||
4990 relation == RELATION_EXAMINING ||
4992 DisplayBothClocks();
4996 /* Display opponents and material strengths */
4997 if (gameInfo.variant != VariantBughouse &&
4998 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4999 if (tinyLayout || smallLayout) {
5000 if(gameInfo.variant == VariantNormal)
5001 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5002 gameInfo.white, white_stren, gameInfo.black, black_stren,
5003 basetime, increment);
5005 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5006 gameInfo.white, white_stren, gameInfo.black, black_stren,
5007 basetime, increment, (int) gameInfo.variant);
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5011 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5015 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5016 basetime, increment, VariantName(gameInfo.variant));
5019 if (appData.debugMode) {
5020 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5025 /* Display the board */
5026 if (!pausing && !appData.noGUI) {
5028 if (appData.premove)
5030 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5031 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5032 ClearPremoveHighlights();
5034 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5035 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5036 DrawPosition(j, boards[currentMove]);
5038 DisplayMove(moveNum - 1);
5039 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5040 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5041 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5042 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5046 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5048 if(bookHit) { // [HGM] book: simulate book reply
5049 static char bookMove[MSG_SIZ]; // a bit generous?
5051 programStats.nodes = programStats.depth = programStats.time =
5052 programStats.score = programStats.got_only_move = 0;
5053 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5055 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5056 strcat(bookMove, bookHit);
5057 HandleMachineMove(bookMove, &first);
5066 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5067 ics_getting_history = H_REQUESTED;
5068 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5074 SendToBoth (char *msg)
5075 { // to make it easy to keep two engines in step in dual analysis
5076 SendToProgram(msg, &first);
5077 if(second.analyzing) SendToProgram(msg, &second);
5081 AnalysisPeriodicEvent (int force)
5083 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5084 && !force) || !appData.periodicUpdates)
5087 /* Send . command to Crafty to collect stats */
5090 /* Don't send another until we get a response (this makes
5091 us stop sending to old Crafty's which don't understand
5092 the "." command (sending illegal cmds resets node count & time,
5093 which looks bad)) */
5094 programStats.ok_to_send = 0;
5098 ics_update_width (int new_width)
5100 ics_printf("set width %d\n", new_width);
5104 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5108 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5109 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5110 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5111 SendToProgram(buf, cps);
5114 // null move in variant where engine does not understand it (for analysis purposes)
5115 SendBoard(cps, moveNum + 1); // send position after move in stead.
5118 if (cps->useUsermove) {
5119 SendToProgram("usermove ", cps);
5123 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5124 int len = space - parseList[moveNum];
5125 memcpy(buf, parseList[moveNum], len);
5127 buf[len] = NULLCHAR;
5129 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5131 SendToProgram(buf, cps);
5133 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5134 AlphaRank(moveList[moveNum], 4);
5135 SendToProgram(moveList[moveNum], cps);
5136 AlphaRank(moveList[moveNum], 4); // and back
5138 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5139 * the engine. It would be nice to have a better way to identify castle
5141 if(appData.fischerCastling && cps->useOOCastle) {
5142 int fromX = moveList[moveNum][0] - AAA;
5143 int fromY = moveList[moveNum][1] - ONE;
5144 int toX = moveList[moveNum][2] - AAA;
5145 int toY = moveList[moveNum][3] - ONE;
5146 if((boards[moveNum][fromY][fromX] == WhiteKing
5147 && boards[moveNum][toY][toX] == WhiteRook)
5148 || (boards[moveNum][fromY][fromX] == BlackKing
5149 && boards[moveNum][toY][toX] == BlackRook)) {
5150 if(toX > fromX) SendToProgram("O-O\n", cps);
5151 else SendToProgram("O-O-O\n", cps);
5153 else SendToProgram(moveList[moveNum], cps);
5155 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5156 char *m = moveList[moveNum];
5158 *c = m[7]; // promoChar
5159 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5160 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5163 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5164 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5171 m[2], m[3] - '0', c);
5173 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5176 m[2], m[3] - '0', c);
5177 SendToProgram(buf, cps);
5179 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5180 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5181 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5182 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5183 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5185 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5186 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5187 SendToProgram(buf, cps);
5189 else SendToProgram(moveList[moveNum], cps);
5190 /* End of additions by Tord */
5193 /* [HGM] setting up the opening has brought engine in force mode! */
5194 /* Send 'go' if we are in a mode where machine should play. */
5195 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5196 (gameMode == TwoMachinesPlay ||
5198 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5200 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5201 SendToProgram("go\n", cps);
5202 if (appData.debugMode) {
5203 fprintf(debugFP, "(extra)\n");
5206 setboardSpoiledMachineBlack = 0;
5210 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5212 char user_move[MSG_SIZ];
5215 if(gameInfo.variant == VariantSChess && promoChar) {
5216 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5217 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5218 } else suffix[0] = NULLCHAR;
5222 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5223 (int)moveType, fromX, fromY, toX, toY);
5224 DisplayError(user_move + strlen("say "), 0);
5226 case WhiteKingSideCastle:
5227 case BlackKingSideCastle:
5228 case WhiteQueenSideCastleWild:
5229 case BlackQueenSideCastleWild:
5231 case WhiteHSideCastleFR:
5232 case BlackHSideCastleFR:
5234 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5236 case WhiteQueenSideCastle:
5237 case BlackQueenSideCastle:
5238 case WhiteKingSideCastleWild:
5239 case BlackKingSideCastleWild:
5241 case WhiteASideCastleFR:
5242 case BlackASideCastleFR:
5244 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5246 case WhiteNonPromotion:
5247 case BlackNonPromotion:
5248 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5250 case WhitePromotion:
5251 case BlackPromotion:
5252 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5253 gameInfo.variant == VariantMakruk)
5254 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5255 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5256 PieceToChar(WhiteFerz));
5257 else if(gameInfo.variant == VariantGreat)
5258 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5259 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5260 PieceToChar(WhiteMan));
5262 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5263 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5269 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5270 ToUpper(PieceToChar((ChessSquare) fromX)),
5271 AAA + toX, ONE + toY);
5273 case IllegalMove: /* could be a variant we don't quite understand */
5274 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5276 case WhiteCapturesEnPassant:
5277 case BlackCapturesEnPassant:
5278 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5279 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5282 SendToICS(user_move);
5283 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5284 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5289 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5290 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5291 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5292 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5293 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5296 if(gameMode != IcsExamining) { // is this ever not the case?
5297 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5299 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5300 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5301 } else { // on FICS we must first go to general examine mode
5302 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5304 if(gameInfo.variant != VariantNormal) {
5305 // try figure out wild number, as xboard names are not always valid on ICS
5306 for(i=1; i<=36; i++) {
5307 snprintf(buf, MSG_SIZ, "wild/%d", i);
5308 if(StringToVariant(buf) == gameInfo.variant) break;
5310 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5311 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5312 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5313 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5314 SendToICS(ics_prefix);
5316 if(startedFromSetupPosition || backwardMostMove != 0) {
5317 fen = PositionToFEN(backwardMostMove, NULL, 1);
5318 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5319 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5321 } else { // FICS: everything has to set by separate bsetup commands
5322 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5323 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5325 if(!WhiteOnMove(backwardMostMove)) {
5326 SendToICS("bsetup tomove black\n");
5328 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5329 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5331 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5332 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5334 i = boards[backwardMostMove][EP_STATUS];
5335 if(i >= 0) { // set e.p.
5336 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5342 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5343 SendToICS("bsetup done\n"); // switch to normal examining.
5345 for(i = backwardMostMove; i<last; i++) {
5347 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5348 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5349 int len = strlen(moveList[i]);
5350 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5351 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5355 SendToICS(ics_prefix);
5356 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5359 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5363 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5365 if (rf == DROP_RANK) {
5366 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5367 sprintf(move, "%c@%c%c\n",
5368 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5370 if (promoChar == 'x' || promoChar == NULLCHAR) {
5371 sprintf(move, "%c%c%c%c\n",
5372 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5373 if(killX >= 0 && killY >= 0) {
5374 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5375 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5378 sprintf(move, "%c%c%c%c%c\n",
5379 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5380 if(killX >= 0 && killY >= 0) {
5381 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5382 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5389 ProcessICSInitScript (FILE *f)
5393 while (fgets(buf, MSG_SIZ, f)) {
5394 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5401 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5403 static ClickType lastClickType;
5406 PieceInString (char *s, ChessSquare piece)
5408 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5409 while((p = strchr(s, ID))) {
5410 if(!suffix || p[1] == suffix) return TRUE;
5417 Partner (ChessSquare *p)
5418 { // change piece into promotion partner if one shogi-promotes to the other
5419 ChessSquare partner = promoPartner[*p];
5420 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5421 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5429 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5430 static int toggleFlag;
5431 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5432 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5433 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5434 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5435 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5436 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5438 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5439 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5440 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5441 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5442 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5443 if(!step) step = -1;
5444 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5445 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5446 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5447 promoSweep == pawn ||
5448 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5449 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5451 int victim = boards[currentMove][toY][toX];
5452 boards[currentMove][toY][toX] = promoSweep;
5453 DrawPosition(FALSE, boards[currentMove]);
5454 boards[currentMove][toY][toX] = victim;
5456 ChangeDragPiece(promoSweep);
5460 PromoScroll (int x, int y)
5464 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5465 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5466 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5467 if(!step) return FALSE;
5468 lastX = x; lastY = y;
5469 if((promoSweep < BlackPawn) == flipView) step = -step;
5470 if(step > 0) selectFlag = 1;
5471 if(!selectFlag) Sweep(step);
5476 NextPiece (int step)
5478 ChessSquare piece = boards[currentMove][toY][toX];
5481 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5482 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5483 if(!step) step = -1;
5484 } while(PieceToChar(pieceSweep) == '.');
5485 boards[currentMove][toY][toX] = pieceSweep;
5486 DrawPosition(FALSE, boards[currentMove]);
5487 boards[currentMove][toY][toX] = piece;
5489 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5491 AlphaRank (char *move, int n)
5493 // char *p = move, c; int x, y;
5495 if (appData.debugMode) {
5496 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5500 move[2]>='0' && move[2]<='9' &&
5501 move[3]>='a' && move[3]<='x' ) {
5503 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5504 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5506 if(move[0]>='0' && move[0]<='9' &&
5507 move[1]>='a' && move[1]<='x' &&
5508 move[2]>='0' && move[2]<='9' &&
5509 move[3]>='a' && move[3]<='x' ) {
5510 /* input move, Shogi -> normal */
5511 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5512 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5513 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5514 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5517 move[3]>='0' && move[3]<='9' &&
5518 move[2]>='a' && move[2]<='x' ) {
5520 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5521 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5524 move[0]>='a' && move[0]<='x' &&
5525 move[3]>='0' && move[3]<='9' &&
5526 move[2]>='a' && move[2]<='x' ) {
5527 /* output move, normal -> Shogi */
5528 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5529 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5530 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5531 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5532 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5534 if (appData.debugMode) {
5535 fprintf(debugFP, " out = '%s'\n", move);
5539 char yy_textstr[8000];
5541 /* Parser for moves from gnuchess, ICS, or user typein box */
5543 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5545 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5547 switch (*moveType) {
5548 case WhitePromotion:
5549 case BlackPromotion:
5550 case WhiteNonPromotion:
5551 case BlackNonPromotion:
5554 case WhiteCapturesEnPassant:
5555 case BlackCapturesEnPassant:
5556 case WhiteKingSideCastle:
5557 case WhiteQueenSideCastle:
5558 case BlackKingSideCastle:
5559 case BlackQueenSideCastle:
5560 case WhiteKingSideCastleWild:
5561 case WhiteQueenSideCastleWild:
5562 case BlackKingSideCastleWild:
5563 case BlackQueenSideCastleWild:
5564 /* Code added by Tord: */
5565 case WhiteHSideCastleFR:
5566 case WhiteASideCastleFR:
5567 case BlackHSideCastleFR:
5568 case BlackASideCastleFR:
5569 /* End of code added by Tord */
5570 case IllegalMove: /* bug or odd chess variant */
5571 if(currentMoveString[1] == '@') { // illegal drop
5572 *fromX = WhiteOnMove(moveNum) ?
5573 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5574 (int) CharToPiece(ToLower(currentMoveString[0]));
5577 *fromX = currentMoveString[0] - AAA;
5578 *fromY = currentMoveString[1] - ONE;
5579 *toX = currentMoveString[2] - AAA;
5580 *toY = currentMoveString[3] - ONE;
5581 *promoChar = currentMoveString[4];
5582 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5583 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5584 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5585 if (appData.debugMode) {
5586 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5588 *fromX = *fromY = *toX = *toY = 0;
5591 if (appData.testLegality) {
5592 return (*moveType != IllegalMove);
5594 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5595 // [HGM] lion: if this is a double move we are less critical
5596 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5601 *fromX = *moveType == WhiteDrop ?
5602 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5603 (int) CharToPiece(ToLower(currentMoveString[0]));
5606 *toX = currentMoveString[2] - AAA;
5607 *toY = currentMoveString[3] - ONE;
5608 *promoChar = NULLCHAR;
5612 case ImpossibleMove:
5622 if (appData.debugMode) {
5623 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5626 *fromX = *fromY = *toX = *toY = 0;
5627 *promoChar = NULLCHAR;
5632 Boolean pushed = FALSE;
5633 char *lastParseAttempt;
5636 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5637 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5638 int fromX, fromY, toX, toY; char promoChar;
5643 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5644 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5645 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5648 endPV = forwardMostMove;
5650 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5651 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5652 lastParseAttempt = pv;
5653 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5654 if(!valid && nr == 0 &&
5655 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5656 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5657 // Hande case where played move is different from leading PV move
5658 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5659 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5660 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5661 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5662 endPV += 2; // if position different, keep this
5663 moveList[endPV-1][0] = fromX + AAA;
5664 moveList[endPV-1][1] = fromY + ONE;
5665 moveList[endPV-1][2] = toX + AAA;
5666 moveList[endPV-1][3] = toY + ONE;
5667 parseList[endPV-1][0] = NULLCHAR;
5668 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5671 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5672 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5673 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5674 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5675 valid++; // allow comments in PV
5679 if(endPV+1 > framePtr) break; // no space, truncate
5682 CopyBoard(boards[endPV], boards[endPV-1]);
5683 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5684 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5685 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5686 CoordsToAlgebraic(boards[endPV - 1],
5687 PosFlags(endPV - 1),
5688 fromY, fromX, toY, toX, promoChar,
5689 parseList[endPV - 1]);
5691 if(atEnd == 2) return; // used hidden, for PV conversion
5692 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5693 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5694 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5695 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5696 DrawPosition(TRUE, boards[currentMove]);
5700 MultiPV (ChessProgramState *cps, int kind)
5701 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5703 for(i=0; i<cps->nrOptions; i++) {
5704 char *s = cps->option[i].name;
5705 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5706 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5707 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5712 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5713 static int multi, pv_margin;
5714 static ChessProgramState *activeCps;
5717 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5719 int startPV, lineStart, origIndex = index;
5720 char *p, buf2[MSG_SIZ];
5721 ChessProgramState *cps = (pane ? &second : &first);
5723 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5724 lastX = x; lastY = y;
5725 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5726 lineStart = startPV = index;
5727 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5728 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5730 do{ while(buf[index] && buf[index] != '\n') index++;
5731 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5733 if(lineStart == 0 && gameMode == AnalyzeMode) {
5735 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5736 if(n == 0) { // click not on "fewer" or "more"
5737 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5738 pv_margin = cps->option[multi].value;
5739 activeCps = cps; // non-null signals margin adjustment
5741 } else if((multi = MultiPV(cps, 1)) >= 0) {
5742 n += cps->option[multi].value; if(n < 1) n = 1;
5743 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5744 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5745 cps->option[multi].value = n;
5749 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5750 ExcludeClick(origIndex - lineStart);
5752 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5753 Collapse(origIndex - lineStart);
5756 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5757 *start = startPV; *end = index-1;
5758 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5765 static char buf[10*MSG_SIZ];
5766 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5768 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5769 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5770 for(i = forwardMostMove; i<endPV; i++){
5771 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5772 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5775 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5776 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5777 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5783 LoadPV (int x, int y)
5784 { // called on right mouse click to load PV
5785 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5786 lastX = x; lastY = y;
5787 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5795 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5797 if(pv_margin != activeCps->option[multi].value) {
5799 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5800 SendToProgram(buf, activeCps);
5801 activeCps->option[multi].value = pv_margin;
5806 if(endPV < 0) return;
5807 if(appData.autoCopyPV) CopyFENToClipboard();
5809 if(extendGame && currentMove > forwardMostMove) {
5810 Boolean saveAnimate = appData.animate;
5812 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5813 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5814 } else storedGames--; // abandon shelved tail of original game
5817 forwardMostMove = currentMove;
5818 currentMove = oldFMM;
5819 appData.animate = FALSE;
5820 ToNrEvent(forwardMostMove);
5821 appData.animate = saveAnimate;
5823 currentMove = forwardMostMove;
5824 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5825 ClearPremoveHighlights();
5826 DrawPosition(TRUE, boards[currentMove]);
5830 MovePV (int x, int y, int h)
5831 { // step through PV based on mouse coordinates (called on mouse move)
5832 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5834 if(activeCps) { // adjusting engine's multi-pv margin
5835 if(x > lastX) pv_margin++; else
5836 if(x < lastX) pv_margin -= (pv_margin > 0);
5839 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5840 DisplayMessage(buf, "");
5845 // we must somehow check if right button is still down (might be released off board!)
5846 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5847 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5848 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5850 lastX = x; lastY = y;
5852 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5853 if(endPV < 0) return;
5854 if(y < margin) step = 1; else
5855 if(y > h - margin) step = -1;
5856 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5857 currentMove += step;
5858 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5859 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5860 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5861 DrawPosition(FALSE, boards[currentMove]);
5865 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5866 // All positions will have equal probability, but the current method will not provide a unique
5867 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5873 int piecesLeft[(int)BlackPawn];
5874 int seed, nrOfShuffles;
5877 GetPositionNumber ()
5878 { // sets global variable seed
5881 seed = appData.defaultFrcPosition;
5882 if(seed < 0) { // randomize based on time for negative FRC position numbers
5883 for(i=0; i<50; i++) seed += random();
5884 seed = random() ^ random() >> 8 ^ random() << 8;
5885 if(seed<0) seed = -seed;
5890 put (Board board, int pieceType, int rank, int n, int shade)
5891 // put the piece on the (n-1)-th empty squares of the given shade
5895 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5896 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5897 board[rank][i] = (ChessSquare) pieceType;
5898 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5900 piecesLeft[pieceType]--;
5909 AddOnePiece (Board board, int pieceType, int rank, int shade)
5910 // calculate where the next piece goes, (any empty square), and put it there
5914 i = seed % squaresLeft[shade];
5915 nrOfShuffles *= squaresLeft[shade];
5916 seed /= squaresLeft[shade];
5917 put(board, pieceType, rank, i, shade);
5921 AddTwoPieces (Board board, int pieceType, int rank)
5922 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5924 int i, n=squaresLeft[ANY], j=n-1, k;
5926 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5927 i = seed % k; // pick one
5930 while(i >= j) i -= j--;
5931 j = n - 1 - j; i += j;
5932 put(board, pieceType, rank, j, ANY);
5933 put(board, pieceType, rank, i, ANY);
5937 SetUpShuffle (Board board, int number)
5941 GetPositionNumber(); nrOfShuffles = 1;
5943 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5944 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5945 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5947 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5949 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5950 p = (int) board[0][i];
5951 if(p < (int) BlackPawn) piecesLeft[p] ++;
5952 board[0][i] = EmptySquare;
5955 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5956 // shuffles restricted to allow normal castling put KRR first
5957 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5958 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5959 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5960 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5961 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5962 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5963 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5964 put(board, WhiteRook, 0, 0, ANY);
5965 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5968 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5969 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5970 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5971 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5972 while(piecesLeft[p] >= 2) {
5973 AddOnePiece(board, p, 0, LITE);
5974 AddOnePiece(board, p, 0, DARK);
5976 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5979 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5980 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5981 // but we leave King and Rooks for last, to possibly obey FRC restriction
5982 if(p == (int)WhiteRook) continue;
5983 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5984 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5987 // now everything is placed, except perhaps King (Unicorn) and Rooks
5989 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5990 // Last King gets castling rights
5991 while(piecesLeft[(int)WhiteUnicorn]) {
5992 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5993 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5996 while(piecesLeft[(int)WhiteKing]) {
5997 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5998 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6003 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6004 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6007 // Only Rooks can be left; simply place them all
6008 while(piecesLeft[(int)WhiteRook]) {
6009 i = put(board, WhiteRook, 0, 0, ANY);
6010 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6013 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6015 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6018 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6019 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6022 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6026 ptclen (const char *s, char *escapes)
6029 if(!*escapes) return strlen(s);
6030 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6035 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6036 /* [HGM] moved here from winboard.c because of its general usefulness */
6037 /* Basically a safe strcpy that uses the last character as King */
6039 int result = FALSE; int NrPieces;
6040 unsigned char partner[EmptySquare];
6042 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6043 && NrPieces >= 12 && !(NrPieces&1)) {
6044 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6046 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6047 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6049 if(map[j] == '/') offs = WhitePBishop - i, j++;
6050 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6051 table[i+offs] = map[j++];
6052 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6053 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6054 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6056 table[(int) WhiteKing] = map[j++];
6057 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6059 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6060 i = WHITE_TO_BLACK ii;
6061 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6062 table[i+offs] = map[j++];
6063 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6064 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6065 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6067 table[(int) BlackKing] = map[j++];
6070 if(*escapes) { // set up promotion pairing
6071 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6072 // pieceToChar entirely filled, so we can look up specified partners
6073 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6075 if(c == '^' || c == '-') { // has specified partner
6077 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6078 if(c == '^') table[i] = '+';
6079 if(p < EmptySquare) {
6080 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6081 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6082 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6084 } else if(c == '*') {
6085 table[i] = partner[i];
6086 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6098 SetCharTable (unsigned char *table, const char * map)
6100 return SetCharTableEsc(table, map, "");
6104 Prelude (Board board)
6105 { // [HGM] superchess: random selection of exo-pieces
6106 int i, j, k; ChessSquare p;
6107 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6109 GetPositionNumber(); // use FRC position number
6111 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6112 SetCharTable(pieceToChar, appData.pieceToCharTable);
6113 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6114 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6117 j = seed%4; seed /= 4;
6118 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6119 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6120 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6121 j = seed%3 + (seed%3 >= j); seed /= 3;
6122 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6123 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6124 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6125 j = seed%3; seed /= 3;
6126 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6127 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6128 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6129 j = seed%2 + (seed%2 >= j); seed /= 2;
6130 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6133 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6134 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6135 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6136 put(board, exoPieces[0], 0, 0, ANY);
6137 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6141 InitPosition (int redraw)
6143 ChessSquare (* pieces)[BOARD_FILES];
6144 int i, j, pawnRow=1, pieceRows=1, overrule,
6145 oldx = gameInfo.boardWidth,
6146 oldy = gameInfo.boardHeight,
6147 oldh = gameInfo.holdingsWidth;
6150 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6152 /* [AS] Initialize pv info list [HGM] and game status */
6154 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6155 pvInfoList[i].depth = 0;
6156 boards[i][EP_STATUS] = EP_NONE;
6157 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6160 initialRulePlies = 0; /* 50-move counter start */
6162 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6163 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6167 /* [HGM] logic here is completely changed. In stead of full positions */
6168 /* the initialized data only consist of the two backranks. The switch */
6169 /* selects which one we will use, which is than copied to the Board */
6170 /* initialPosition, which for the rest is initialized by Pawns and */
6171 /* empty squares. This initial position is then copied to boards[0], */
6172 /* possibly after shuffling, so that it remains available. */
6174 gameInfo.holdingsWidth = 0; /* default board sizes */
6175 gameInfo.boardWidth = 8;
6176 gameInfo.boardHeight = 8;
6177 gameInfo.holdingsSize = 0;
6178 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6179 for(i=0; i<BOARD_FILES-6; i++)
6180 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6181 initialPosition[EP_STATUS] = EP_NONE;
6182 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6183 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6184 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6185 SetCharTable(pieceNickName, appData.pieceNickNames);
6186 else SetCharTable(pieceNickName, "............");
6189 switch (gameInfo.variant) {
6190 case VariantFischeRandom:
6191 shuffleOpenings = TRUE;
6192 appData.fischerCastling = TRUE;
6195 case VariantShatranj:
6196 pieces = ShatranjArray;
6197 nrCastlingRights = 0;
6198 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6201 pieces = makrukArray;
6202 nrCastlingRights = 0;
6203 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6206 pieces = aseanArray;
6207 nrCastlingRights = 0;
6208 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6210 case VariantTwoKings:
6211 pieces = twoKingsArray;
6214 pieces = GrandArray;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6217 gameInfo.boardWidth = 10;
6218 gameInfo.boardHeight = 10;
6219 gameInfo.holdingsSize = 7;
6221 case VariantCapaRandom:
6222 shuffleOpenings = TRUE;
6223 appData.fischerCastling = TRUE;
6224 case VariantCapablanca:
6225 pieces = CapablancaArray;
6226 gameInfo.boardWidth = 10;
6227 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6230 pieces = GothicArray;
6231 gameInfo.boardWidth = 10;
6232 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6235 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6236 gameInfo.holdingsSize = 7;
6237 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6240 pieces = JanusArray;
6241 gameInfo.boardWidth = 10;
6242 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6243 nrCastlingRights = 6;
6244 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6245 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6246 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6247 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6248 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6249 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6252 pieces = FalconArray;
6253 gameInfo.boardWidth = 10;
6254 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6256 case VariantXiangqi:
6257 pieces = XiangqiArray;
6258 gameInfo.boardWidth = 9;
6259 gameInfo.boardHeight = 10;
6260 nrCastlingRights = 0;
6261 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6264 pieces = ShogiArray;
6265 gameInfo.boardWidth = 9;
6266 gameInfo.boardHeight = 9;
6267 gameInfo.holdingsSize = 7;
6268 nrCastlingRights = 0;
6269 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6272 pieces = ChuArray; pieceRows = 3;
6273 gameInfo.boardWidth = 12;
6274 gameInfo.boardHeight = 12;
6275 nrCastlingRights = 0;
6276 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6277 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6279 case VariantCourier:
6280 pieces = CourierArray;
6281 gameInfo.boardWidth = 12;
6282 nrCastlingRights = 0;
6283 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6285 case VariantKnightmate:
6286 pieces = KnightmateArray;
6287 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6289 case VariantSpartan:
6290 pieces = SpartanArray;
6291 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6295 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6297 case VariantChuChess:
6298 pieces = ChuChessArray;
6299 gameInfo.boardWidth = 10;
6300 gameInfo.boardHeight = 10;
6301 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6304 pieces = fairyArray;
6305 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6308 pieces = GreatArray;
6309 gameInfo.boardWidth = 10;
6310 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6311 gameInfo.holdingsSize = 8;
6315 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6316 gameInfo.holdingsSize = 8;
6317 startedFromSetupPosition = TRUE;
6319 case VariantCrazyhouse:
6320 case VariantBughouse:
6322 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6323 gameInfo.holdingsSize = 5;
6325 case VariantWildCastle:
6327 /* !!?shuffle with kings guaranteed to be on d or e file */
6328 shuffleOpenings = 1;
6330 case VariantNoCastle:
6332 nrCastlingRights = 0;
6333 /* !!?unconstrained back-rank shuffle */
6334 shuffleOpenings = 1;
6339 if(appData.NrFiles >= 0) {
6340 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6341 gameInfo.boardWidth = appData.NrFiles;
6343 if(appData.NrRanks >= 0) {
6344 gameInfo.boardHeight = appData.NrRanks;
6346 if(appData.holdingsSize >= 0) {
6347 i = appData.holdingsSize;
6348 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6349 gameInfo.holdingsSize = i;
6351 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6352 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6353 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6355 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6356 if(pawnRow < 1) pawnRow = 1;
6357 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6358 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6359 if(gameInfo.variant == VariantChu) pawnRow = 3;
6361 /* User pieceToChar list overrules defaults */
6362 if(appData.pieceToCharTable != NULL)
6363 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6365 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6367 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6368 s = (ChessSquare) 0; /* account holding counts in guard band */
6369 for( i=0; i<BOARD_HEIGHT; i++ )
6370 initialPosition[i][j] = s;
6372 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6373 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6374 initialPosition[pawnRow][j] = WhitePawn;
6375 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6376 if(gameInfo.variant == VariantXiangqi) {
6378 initialPosition[pawnRow][j] =
6379 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6380 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6381 initialPosition[2][j] = WhiteCannon;
6382 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6386 if(gameInfo.variant == VariantChu) {
6387 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6388 initialPosition[pawnRow+1][j] = WhiteCobra,
6389 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6390 for(i=1; i<pieceRows; i++) {
6391 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6392 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6395 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6396 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6397 initialPosition[0][j] = WhiteRook;
6398 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6401 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6403 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6404 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6407 initialPosition[1][j] = WhiteBishop;
6408 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6410 initialPosition[1][j] = WhiteRook;
6411 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6414 if( nrCastlingRights == -1) {
6415 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6416 /* This sets default castling rights from none to normal corners */
6417 /* Variants with other castling rights must set them themselves above */
6418 nrCastlingRights = 6;
6420 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6421 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6422 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6423 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6424 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6425 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6428 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6429 if(gameInfo.variant == VariantGreat) { // promotion commoners
6430 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6431 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6432 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6433 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6435 if( gameInfo.variant == VariantSChess ) {
6436 initialPosition[1][0] = BlackMarshall;
6437 initialPosition[2][0] = BlackAngel;
6438 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6439 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6440 initialPosition[1][1] = initialPosition[2][1] =
6441 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6443 if (appData.debugMode) {
6444 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6446 if(shuffleOpenings) {
6447 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6448 startedFromSetupPosition = TRUE;
6450 if(startedFromPositionFile) {
6451 /* [HGM] loadPos: use PositionFile for every new game */
6452 CopyBoard(initialPosition, filePosition);
6453 for(i=0; i<nrCastlingRights; i++)
6454 initialRights[i] = filePosition[CASTLING][i];
6455 startedFromSetupPosition = TRUE;
6458 CopyBoard(boards[0], initialPosition);
6460 if(oldx != gameInfo.boardWidth ||
6461 oldy != gameInfo.boardHeight ||
6462 oldv != gameInfo.variant ||
6463 oldh != gameInfo.holdingsWidth
6465 InitDrawingSizes(-2 ,0);
6467 oldv = gameInfo.variant;
6469 DrawPosition(TRUE, boards[currentMove]);
6473 SendBoard (ChessProgramState *cps, int moveNum)
6475 char message[MSG_SIZ];
6477 if (cps->useSetboard) {
6478 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6479 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6480 SendToProgram(message, cps);
6485 int i, j, left=0, right=BOARD_WIDTH;
6486 /* Kludge to set black to move, avoiding the troublesome and now
6487 * deprecated "black" command.
6489 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6490 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6492 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6494 SendToProgram("edit\n", cps);
6495 SendToProgram("#\n", cps);
6496 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6497 bp = &boards[moveNum][i][left];
6498 for (j = left; j < right; j++, bp++) {
6499 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6500 if ((int) *bp < (int) BlackPawn) {
6501 if(j == BOARD_RGHT+1)
6502 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6503 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6504 if(message[0] == '+' || message[0] == '~') {
6505 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6506 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6507 AAA + j, ONE + i - '0');
6509 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6510 message[1] = BOARD_RGHT - 1 - j + '1';
6511 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6513 SendToProgram(message, cps);
6518 SendToProgram("c\n", cps);
6519 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6520 bp = &boards[moveNum][i][left];
6521 for (j = left; j < right; j++, bp++) {
6522 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6523 if (((int) *bp != (int) EmptySquare)
6524 && ((int) *bp >= (int) BlackPawn)) {
6525 if(j == BOARD_LEFT-2)
6526 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6527 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6528 AAA + j, ONE + i - '0');
6529 if(message[0] == '+' || message[0] == '~') {
6530 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6531 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6532 AAA + j, ONE + i - '0');
6534 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6535 message[1] = BOARD_RGHT - 1 - j + '1';
6536 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6538 SendToProgram(message, cps);
6543 SendToProgram(".\n", cps);
6545 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6548 char exclusionHeader[MSG_SIZ];
6549 int exCnt, excludePtr;
6550 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6551 static Exclusion excluTab[200];
6552 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6558 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6559 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6565 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6566 excludePtr = 24; exCnt = 0;
6571 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6572 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6573 char buf[2*MOVE_LEN], *p;
6574 Exclusion *e = excluTab;
6576 for(i=0; i<exCnt; i++)
6577 if(e[i].ff == fromX && e[i].fr == fromY &&
6578 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6579 if(i == exCnt) { // was not in exclude list; add it
6580 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6581 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6582 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6585 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6586 excludePtr++; e[i].mark = excludePtr++;
6587 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6590 exclusionHeader[e[i].mark] = state;
6594 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6595 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6599 if((signed char)promoChar == -1) { // kludge to indicate best move
6600 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6601 return 1; // if unparsable, abort
6603 // update exclusion map (resolving toggle by consulting existing state)
6604 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6606 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6607 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6608 excludeMap[k] |= 1<<j;
6609 else excludeMap[k] &= ~(1<<j);
6611 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6613 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6614 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6616 return (state == '+');
6620 ExcludeClick (int index)
6623 Exclusion *e = excluTab;
6624 if(index < 25) { // none, best or tail clicked
6625 if(index < 13) { // none: include all
6626 WriteMap(0); // clear map
6627 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6628 SendToBoth("include all\n"); // and inform engine
6629 } else if(index > 18) { // tail
6630 if(exclusionHeader[19] == '-') { // tail was excluded
6631 SendToBoth("include all\n");
6632 WriteMap(0); // clear map completely
6633 // now re-exclude selected moves
6634 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6635 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6636 } else { // tail was included or in mixed state
6637 SendToBoth("exclude all\n");
6638 WriteMap(0xFF); // fill map completely
6639 // now re-include selected moves
6640 j = 0; // count them
6641 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6642 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6643 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6646 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6649 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6650 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6651 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6658 DefaultPromoChoice (int white)
6661 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6662 gameInfo.variant == VariantMakruk)
6663 result = WhiteFerz; // no choice
6664 else if(gameInfo.variant == VariantASEAN)
6665 result = WhiteRook; // no choice
6666 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6667 result= WhiteKing; // in Suicide Q is the last thing we want
6668 else if(gameInfo.variant == VariantSpartan)
6669 result = white ? WhiteQueen : WhiteAngel;
6670 else result = WhiteQueen;
6671 if(!white) result = WHITE_TO_BLACK result;
6675 static int autoQueen; // [HGM] oneclick
6678 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6680 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6681 /* [HGM] add Shogi promotions */
6682 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6683 ChessSquare piece, partner;
6687 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6688 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6690 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6691 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6694 piece = boards[currentMove][fromY][fromX];
6695 if(gameInfo.variant == VariantChu) {
6696 promotionZoneSize = BOARD_HEIGHT/3;
6697 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6698 } else if(gameInfo.variant == VariantShogi) {
6699 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6700 highestPromotingPiece = (int)WhiteAlfil;
6701 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6702 promotionZoneSize = 3;
6705 // Treat Lance as Pawn when it is not representing Amazon or Lance
6706 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6707 if(piece == WhiteLance) piece = WhitePawn; else
6708 if(piece == BlackLance) piece = BlackPawn;
6711 // next weed out all moves that do not touch the promotion zone at all
6712 if((int)piece >= BlackPawn) {
6713 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6715 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6716 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6718 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6719 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6720 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6724 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6726 // weed out mandatory Shogi promotions
6727 if(gameInfo.variant == VariantShogi) {
6728 if(piece >= BlackPawn) {
6729 if(toY == 0 && piece == BlackPawn ||
6730 toY == 0 && piece == BlackQueen ||
6731 toY <= 1 && piece == BlackKnight) {
6736 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6737 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6738 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6745 // weed out obviously illegal Pawn moves
6746 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6747 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6748 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6749 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6750 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6751 // note we are not allowed to test for valid (non-)capture, due to premove
6754 // we either have a choice what to promote to, or (in Shogi) whether to promote
6755 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6756 gameInfo.variant == VariantMakruk) {
6757 ChessSquare p=BlackFerz; // no choice
6758 while(p < EmptySquare) { //but make sure we use piece that exists
6759 *promoChoice = PieceToChar(p++);
6760 if(*promoChoice != '.') break;
6762 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6764 // no sense asking what we must promote to if it is going to explode...
6765 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6766 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6769 // give caller the default choice even if we will not make it
6770 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6771 partner = piece; // pieces can promote if the pieceToCharTable says so
6772 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6773 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6774 if( sweepSelect && gameInfo.variant != VariantGreat
6775 && gameInfo.variant != VariantGrand
6776 && gameInfo.variant != VariantSuper) return FALSE;
6777 if(autoQueen) return FALSE; // predetermined
6779 // suppress promotion popup on illegal moves that are not premoves
6780 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6781 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6782 if(appData.testLegality && !premove) {
6783 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6784 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6785 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6786 if(moveType != WhitePromotion && moveType != BlackPromotion)
6794 InPalace (int row, int column)
6795 { /* [HGM] for Xiangqi */
6796 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6797 column < (BOARD_WIDTH + 4)/2 &&
6798 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6803 PieceForSquare (int x, int y)
6805 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6808 return boards[currentMove][y][x];
6812 OKToStartUserMove (int x, int y)
6814 ChessSquare from_piece;
6817 if (matchMode) return FALSE;
6818 if (gameMode == EditPosition) return TRUE;
6820 if (x >= 0 && y >= 0)
6821 from_piece = boards[currentMove][y][x];
6823 from_piece = EmptySquare;
6825 if (from_piece == EmptySquare) return FALSE;
6827 white_piece = (int)from_piece >= (int)WhitePawn &&
6828 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6832 case TwoMachinesPlay:
6840 case MachinePlaysWhite:
6841 case IcsPlayingBlack:
6842 if (appData.zippyPlay) return FALSE;
6844 DisplayMoveError(_("You are playing Black"));
6849 case MachinePlaysBlack:
6850 case IcsPlayingWhite:
6851 if (appData.zippyPlay) return FALSE;
6853 DisplayMoveError(_("You are playing White"));
6858 case PlayFromGameFile:
6859 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6862 if (!white_piece && WhiteOnMove(currentMove)) {
6863 DisplayMoveError(_("It is White's turn"));
6866 if (white_piece && !WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6870 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6871 /* Editing correspondence game history */
6872 /* Could disallow this or prompt for confirmation */
6877 case BeginningOfGame:
6878 if (appData.icsActive) return FALSE;
6879 if (!appData.noChessProgram) {
6881 DisplayMoveError(_("You are playing White"));
6888 if (!white_piece && WhiteOnMove(currentMove)) {
6889 DisplayMoveError(_("It is White's turn"));
6892 if (white_piece && !WhiteOnMove(currentMove)) {
6893 DisplayMoveError(_("It is Black's turn"));
6902 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6903 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6904 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6905 && gameMode != AnalyzeFile && gameMode != Training) {
6906 DisplayMoveError(_("Displayed position is not current"));
6913 OnlyMove (int *x, int *y, Boolean captures)
6915 DisambiguateClosure cl;
6916 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6918 case MachinePlaysBlack:
6919 case IcsPlayingWhite:
6920 case BeginningOfGame:
6921 if(!WhiteOnMove(currentMove)) return FALSE;
6923 case MachinePlaysWhite:
6924 case IcsPlayingBlack:
6925 if(WhiteOnMove(currentMove)) return FALSE;
6932 cl.pieceIn = EmptySquare;
6937 cl.promoCharIn = NULLCHAR;
6938 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6939 if( cl.kind == NormalMove ||
6940 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6941 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6942 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6949 if(cl.kind != ImpossibleMove) return FALSE;
6950 cl.pieceIn = EmptySquare;
6955 cl.promoCharIn = NULLCHAR;
6956 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6957 if( cl.kind == NormalMove ||
6958 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6959 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6960 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6965 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6971 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6972 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6973 int lastLoadGameUseList = FALSE;
6974 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6975 ChessMove lastLoadGameStart = EndOfFile;
6977 Boolean addToBookFlag;
6980 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6984 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6986 /* Check if the user is playing in turn. This is complicated because we
6987 let the user "pick up" a piece before it is his turn. So the piece he
6988 tried to pick up may have been captured by the time he puts it down!
6989 Therefore we use the color the user is supposed to be playing in this
6990 test, not the color of the piece that is currently on the starting
6991 square---except in EditGame mode, where the user is playing both
6992 sides; fortunately there the capture race can't happen. (It can
6993 now happen in IcsExamining mode, but that's just too bad. The user
6994 will get a somewhat confusing message in that case.)
6999 case TwoMachinesPlay:
7003 /* We switched into a game mode where moves are not accepted,
7004 perhaps while the mouse button was down. */
7007 case MachinePlaysWhite:
7008 /* User is moving for Black */
7009 if (WhiteOnMove(currentMove)) {
7010 DisplayMoveError(_("It is White's turn"));
7015 case MachinePlaysBlack:
7016 /* User is moving for White */
7017 if (!WhiteOnMove(currentMove)) {
7018 DisplayMoveError(_("It is Black's turn"));
7023 case PlayFromGameFile:
7024 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7027 case BeginningOfGame:
7030 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7031 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7032 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7033 /* User is moving for Black */
7034 if (WhiteOnMove(currentMove)) {
7035 DisplayMoveError(_("It is White's turn"));
7039 /* User is moving for White */
7040 if (!WhiteOnMove(currentMove)) {
7041 DisplayMoveError(_("It is Black's turn"));
7047 case IcsPlayingBlack:
7048 /* User is moving for Black */
7049 if (WhiteOnMove(currentMove)) {
7050 if (!appData.premove) {
7051 DisplayMoveError(_("It is White's turn"));
7052 } else if (toX >= 0 && toY >= 0) {
7055 premoveFromX = fromX;
7056 premoveFromY = fromY;
7057 premovePromoChar = promoChar;
7059 if (appData.debugMode)
7060 fprintf(debugFP, "Got premove: fromX %d,"
7061 "fromY %d, toX %d, toY %d\n",
7062 fromX, fromY, toX, toY);
7064 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7069 case IcsPlayingWhite:
7070 /* User is moving for White */
7071 if (!WhiteOnMove(currentMove)) {
7072 if (!appData.premove) {
7073 DisplayMoveError(_("It is Black's turn"));
7074 } else if (toX >= 0 && toY >= 0) {
7077 premoveFromX = fromX;
7078 premoveFromY = fromY;
7079 premovePromoChar = promoChar;
7081 if (appData.debugMode)
7082 fprintf(debugFP, "Got premove: fromX %d,"
7083 "fromY %d, toX %d, toY %d\n",
7084 fromX, fromY, toX, toY);
7086 DrawPosition(TRUE, boards[currentMove]);
7095 /* EditPosition, empty square, or different color piece;
7096 click-click move is possible */
7097 if (toX == -2 || toY == -2) {
7098 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7099 DrawPosition(FALSE, boards[currentMove]);
7101 } else if (toX >= 0 && toY >= 0) {
7102 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7103 ChessSquare p = boards[0][rf][ff];
7104 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7105 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7107 boards[0][toY][toX] = boards[0][fromY][fromX];
7108 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7109 if(boards[0][fromY][0] != EmptySquare) {
7110 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7111 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7114 if(fromX == BOARD_RGHT+1) {
7115 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7116 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7117 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7120 boards[0][fromY][fromX] = gatingPiece;
7122 DrawPosition(FALSE, boards[currentMove]);
7128 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7129 pup = boards[currentMove][toY][toX];
7131 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7132 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7133 if( pup != EmptySquare ) return;
7134 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7135 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7136 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7137 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7138 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7139 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7140 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7144 /* [HGM] always test for legality, to get promotion info */
7145 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7146 fromY, fromX, toY, toX, promoChar);
7148 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7150 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7152 /* [HGM] but possibly ignore an IllegalMove result */
7153 if (appData.testLegality) {
7154 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7155 DisplayMoveError(_("Illegal move"));
7160 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7161 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7162 ClearPremoveHighlights(); // was included
7163 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7167 if(addToBookFlag) { // adding moves to book
7168 char buf[MSG_SIZ], move[MSG_SIZ];
7169 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7170 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7171 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7172 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7174 addToBookFlag = FALSE;
7179 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7182 /* Common tail of UserMoveEvent and DropMenuEvent */
7184 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7188 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7189 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7190 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7191 if(WhiteOnMove(currentMove)) {
7192 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7194 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7198 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7199 move type in caller when we know the move is a legal promotion */
7200 if(moveType == NormalMove && promoChar)
7201 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7203 /* [HGM] <popupFix> The following if has been moved here from
7204 UserMoveEvent(). Because it seemed to belong here (why not allow
7205 piece drops in training games?), and because it can only be
7206 performed after it is known to what we promote. */
7207 if (gameMode == Training) {
7208 /* compare the move played on the board to the next move in the
7209 * game. If they match, display the move and the opponent's response.
7210 * If they don't match, display an error message.
7214 CopyBoard(testBoard, boards[currentMove]);
7215 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7217 if (CompareBoards(testBoard, boards[currentMove+1])) {
7218 ForwardInner(currentMove+1);
7220 /* Autoplay the opponent's response.
7221 * if appData.animate was TRUE when Training mode was entered,
7222 * the response will be animated.
7224 saveAnimate = appData.animate;
7225 appData.animate = animateTraining;
7226 ForwardInner(currentMove+1);
7227 appData.animate = saveAnimate;
7229 /* check for the end of the game */
7230 if (currentMove >= forwardMostMove) {
7231 gameMode = PlayFromGameFile;
7233 SetTrainingModeOff();
7234 DisplayInformation(_("End of game"));
7237 DisplayError(_("Incorrect move"), 0);
7242 /* Ok, now we know that the move is good, so we can kill
7243 the previous line in Analysis Mode */
7244 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7245 && currentMove < forwardMostMove) {
7246 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7247 else forwardMostMove = currentMove;
7252 /* If we need the chess program but it's dead, restart it */
7253 ResurrectChessProgram();
7255 /* A user move restarts a paused game*/
7259 thinkOutput[0] = NULLCHAR;
7261 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7263 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7264 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7268 if (gameMode == BeginningOfGame) {
7269 if (appData.noChessProgram) {
7270 gameMode = EditGame;
7274 gameMode = MachinePlaysBlack;
7277 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7279 if (first.sendName) {
7280 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7281 SendToProgram(buf, &first);
7288 /* Relay move to ICS or chess engine */
7289 if (appData.icsActive) {
7290 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7291 gameMode == IcsExamining) {
7292 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7293 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7295 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7297 // also send plain move, in case ICS does not understand atomic claims
7298 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7302 if (first.sendTime && (gameMode == BeginningOfGame ||
7303 gameMode == MachinePlaysWhite ||
7304 gameMode == MachinePlaysBlack)) {
7305 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7307 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7308 // [HGM] book: if program might be playing, let it use book
7309 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7310 first.maybeThinking = TRUE;
7311 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7312 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7313 SendBoard(&first, currentMove+1);
7314 if(second.analyzing) {
7315 if(!second.useSetboard) SendToProgram("undo\n", &second);
7316 SendBoard(&second, currentMove+1);
7319 SendMoveToProgram(forwardMostMove-1, &first);
7320 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7322 if (currentMove == cmailOldMove + 1) {
7323 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7327 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7331 if(appData.testLegality)
7332 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7338 if (WhiteOnMove(currentMove)) {
7339 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7341 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7345 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7350 case MachinePlaysBlack:
7351 case MachinePlaysWhite:
7352 /* disable certain menu options while machine is thinking */
7353 SetMachineThinkingEnables();
7360 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7361 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7363 if(bookHit) { // [HGM] book: simulate book reply
7364 static char bookMove[MSG_SIZ]; // a bit generous?
7366 programStats.nodes = programStats.depth = programStats.time =
7367 programStats.score = programStats.got_only_move = 0;
7368 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7370 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7371 strcat(bookMove, bookHit);
7372 HandleMachineMove(bookMove, &first);
7378 MarkByFEN(char *fen)
7381 if(!appData.markers || !appData.highlightDragging) return;
7382 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7383 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7387 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7388 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7389 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7390 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7391 if(*fen == 'T') marker[r][f++] = 0; else
7392 if(*fen == 'Y') marker[r][f++] = 1; else
7393 if(*fen == 'G') marker[r][f++] = 3; else
7394 if(*fen == 'B') marker[r][f++] = 4; else
7395 if(*fen == 'C') marker[r][f++] = 5; else
7396 if(*fen == 'M') marker[r][f++] = 6; else
7397 if(*fen == 'W') marker[r][f++] = 7; else
7398 if(*fen == 'D') marker[r][f++] = 8; else
7399 if(*fen == 'R') marker[r][f++] = 2; else {
7400 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7403 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7407 DrawPosition(TRUE, NULL);
7410 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7413 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7415 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7416 Markers *m = (Markers *) closure;
7417 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7418 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7419 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7420 || kind == WhiteCapturesEnPassant
7421 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7422 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7425 static int hoverSavedValid;
7428 MarkTargetSquares (int clear)
7431 if(clear) { // no reason to ever suppress clearing
7432 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7433 hoverSavedValid = 0;
7434 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7437 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7438 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7439 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7440 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7441 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7443 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7446 DrawPosition(FALSE, NULL);
7450 Explode (Board board, int fromX, int fromY, int toX, int toY)
7452 if(gameInfo.variant == VariantAtomic &&
7453 (board[toY][toX] != EmptySquare || // capture?
7454 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7455 board[fromY][fromX] == BlackPawn )
7457 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7463 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7466 CanPromote (ChessSquare piece, int y)
7468 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7469 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7470 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7471 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7472 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7473 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7474 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7475 return (piece == BlackPawn && y <= zone ||
7476 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7477 piece == BlackLance && y <= zone ||
7478 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7482 HoverEvent (int xPix, int yPix, int x, int y)
7484 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7486 if(!first.highlight) return;
7487 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7488 if(x == oldX && y == oldY) return; // only do something if we enter new square
7489 oldFromX = fromX; oldFromY = fromY;
7490 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7491 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7492 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7493 hoverSavedValid = 1;
7494 } else if(oldX != x || oldY != y) {
7495 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7496 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7497 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7498 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7499 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7501 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7502 SendToProgram(buf, &first);
7505 // SetHighlights(fromX, fromY, x, y);
7509 void ReportClick(char *action, int x, int y)
7511 char buf[MSG_SIZ]; // Inform engine of what user does
7513 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7514 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7515 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7516 if(!first.highlight || gameMode == EditPosition) return;
7517 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7518 SendToProgram(buf, &first);
7521 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7524 LeftClick (ClickType clickType, int xPix, int yPix)
7527 Boolean saveAnimate;
7528 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7529 char promoChoice = NULLCHAR;
7531 static TimeMark lastClickTime, prevClickTime;
7533 x = EventToSquare(xPix, BOARD_WIDTH);
7534 y = EventToSquare(yPix, BOARD_HEIGHT);
7535 if (!flipView && y >= 0) {
7536 y = BOARD_HEIGHT - 1 - y;
7538 if (flipView && x >= 0) {
7539 x = BOARD_WIDTH - 1 - x;
7542 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7544 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7549 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7551 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7553 if (clickType == Press) ErrorPopDown();
7554 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7556 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7557 defaultPromoChoice = promoSweep;
7558 promoSweep = EmptySquare; // terminate sweep
7559 promoDefaultAltered = TRUE;
7560 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7563 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7564 if(clickType == Release) return; // ignore upclick of click-click destination
7565 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7566 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7567 if(gameInfo.holdingsWidth &&
7568 (WhiteOnMove(currentMove)
7569 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7570 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7571 // click in right holdings, for determining promotion piece
7572 ChessSquare p = boards[currentMove][y][x];
7573 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7574 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7575 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7576 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7581 DrawPosition(FALSE, boards[currentMove]);
7585 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7586 if(clickType == Press
7587 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7588 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7589 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7592 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7593 // could be static click on premove from-square: abort premove
7595 ClearPremoveHighlights();
7598 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7599 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7601 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7602 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7603 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7604 defaultPromoChoice = DefaultPromoChoice(side);
7607 autoQueen = appData.alwaysPromoteToQueen;
7611 gatingPiece = EmptySquare;
7612 if (clickType != Press) {
7613 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7614 DragPieceEnd(xPix, yPix); dragging = 0;
7615 DrawPosition(FALSE, NULL);
7619 doubleClick = FALSE;
7620 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7621 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7623 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7624 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7625 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7626 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7628 if (OKToStartUserMove(fromX, fromY)) {
7630 ReportClick("lift", x, y);
7631 MarkTargetSquares(0);
7632 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7633 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7634 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7635 promoSweep = defaultPromoChoice;
7636 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7637 Sweep(0); // Pawn that is going to promote: preview promotion piece
7638 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7640 if (appData.highlightDragging) {
7641 SetHighlights(fromX, fromY, -1, -1);
7645 } else fromX = fromY = -1;
7651 if (clickType == Press && gameMode != EditPosition) {
7656 // ignore off-board to clicks
7657 if(y < 0 || x < 0) return;
7659 /* Check if clicking again on the same color piece */
7660 fromP = boards[currentMove][fromY][fromX];
7661 toP = boards[currentMove][y][x];
7662 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7663 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7664 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7665 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7666 WhitePawn <= toP && toP <= WhiteKing &&
7667 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7668 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7669 (BlackPawn <= fromP && fromP <= BlackKing &&
7670 BlackPawn <= toP && toP <= BlackKing &&
7671 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7672 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7673 /* Clicked again on same color piece -- changed his mind */
7674 second = (x == fromX && y == fromY);
7675 killX = killY = kill2X = kill2Y = -1;
7676 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7677 second = FALSE; // first double-click rather than scond click
7678 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7680 promoDefaultAltered = FALSE;
7681 if(!second) MarkTargetSquares(1);
7682 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7683 if (appData.highlightDragging) {
7684 SetHighlights(x, y, -1, -1);
7688 if (OKToStartUserMove(x, y)) {
7689 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7690 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7691 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7692 gatingPiece = boards[currentMove][fromY][fromX];
7693 else gatingPiece = doubleClick ? fromP : EmptySquare;
7695 fromY = y; dragging = 1;
7696 if(!second) ReportClick("lift", x, y);
7697 MarkTargetSquares(0);
7698 DragPieceBegin(xPix, yPix, FALSE);
7699 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7700 promoSweep = defaultPromoChoice;
7701 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7702 Sweep(0); // Pawn that is going to promote: preview promotion piece
7706 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7709 // ignore clicks on holdings
7710 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7713 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7714 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7715 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7719 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7720 DragPieceEnd(xPix, yPix); dragging = 0;
7722 // a deferred attempt to click-click move an empty square on top of a piece
7723 boards[currentMove][y][x] = EmptySquare;
7725 DrawPosition(FALSE, boards[currentMove]);
7726 fromX = fromY = -1; clearFlag = 0;
7729 if (appData.animateDragging) {
7730 /* Undo animation damage if any */
7731 DrawPosition(FALSE, NULL);
7734 /* Second up/down in same square; just abort move */
7737 gatingPiece = EmptySquare;
7740 ClearPremoveHighlights();
7741 MarkTargetSquares(-1);
7742 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7744 /* First upclick in same square; start click-click mode */
7745 SetHighlights(x, y, -1, -1);
7752 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7753 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7754 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7755 DisplayMessage(_("only marked squares are legal"),"");
7756 DrawPosition(TRUE, NULL);
7757 return; // ignore to-click
7760 /* we now have a different from- and (possibly off-board) to-square */
7761 /* Completed move */
7762 if(!sweepSelecting) {
7767 piece = boards[currentMove][fromY][fromX];
7769 saveAnimate = appData.animate;
7770 if (clickType == Press) {
7771 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7772 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7773 // must be Edit Position mode with empty-square selected
7774 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7775 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7778 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7781 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7782 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7784 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7785 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7786 if(appData.sweepSelect) {
7787 promoSweep = defaultPromoChoice;
7788 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7789 selectFlag = 0; lastX = xPix; lastY = yPix;
7790 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7791 Sweep(0); // Pawn that is going to promote: preview promotion piece
7793 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7794 MarkTargetSquares(1);
7796 return; // promo popup appears on up-click
7798 /* Finish clickclick move */
7799 if (appData.animate || appData.highlightLastMove) {
7800 SetHighlights(fromX, fromY, toX, toY);
7804 MarkTargetSquares(1);
7805 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7806 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7808 if (appData.animate || appData.highlightLastMove) {
7809 SetHighlights(fromX, fromY, toX, toY);
7813 MarkTargetSquares(1);
7816 // [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
7817 /* Finish drag move */
7818 if (appData.highlightLastMove) {
7819 SetHighlights(fromX, fromY, toX, toY);
7824 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7825 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7826 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7827 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7828 dragging *= 2; // flag button-less dragging if we are dragging
7829 MarkTargetSquares(1);
7830 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7832 kill2X = killX; kill2Y = killY;
7833 killX = x; killY = y; // remember this square as intermediate
7834 ReportClick("put", x, y); // and inform engine
7835 ReportClick("lift", x, y);
7836 MarkTargetSquares(0);
7840 DragPieceEnd(xPix, yPix); dragging = 0;
7841 /* Don't animate move and drag both */
7842 appData.animate = FALSE;
7843 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7846 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7847 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7848 ChessSquare piece = boards[currentMove][fromY][fromX];
7849 if(gameMode == EditPosition && piece != EmptySquare &&
7850 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7853 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7854 n = PieceToNumber(piece - (int)BlackPawn);
7855 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7856 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7857 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7859 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7860 n = PieceToNumber(piece);
7861 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7862 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7863 boards[currentMove][n][BOARD_WIDTH-2]++;
7865 boards[currentMove][fromY][fromX] = EmptySquare;
7869 MarkTargetSquares(1);
7870 DrawPosition(TRUE, boards[currentMove]);
7874 // off-board moves should not be highlighted
7875 if(x < 0 || y < 0) ClearHighlights();
7876 else ReportClick("put", x, y);
7878 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7880 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7882 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7883 SetHighlights(fromX, fromY, toX, toY);
7884 MarkTargetSquares(1);
7885 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7886 // [HGM] super: promotion to captured piece selected from holdings
7887 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7888 promotionChoice = TRUE;
7889 // kludge follows to temporarily execute move on display, without promoting yet
7890 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7891 boards[currentMove][toY][toX] = p;
7892 DrawPosition(FALSE, boards[currentMove]);
7893 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7894 boards[currentMove][toY][toX] = q;
7895 DisplayMessage("Click in holdings to choose piece", "");
7898 PromotionPopUp(promoChoice);
7900 int oldMove = currentMove;
7901 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7902 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7903 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7904 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7905 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7906 DrawPosition(TRUE, boards[currentMove]);
7909 appData.animate = saveAnimate;
7910 if (appData.animate || appData.animateDragging) {
7911 /* Undo animation damage if needed */
7912 // DrawPosition(FALSE, NULL);
7917 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7918 { // front-end-free part taken out of PieceMenuPopup
7919 int whichMenu; int xSqr, ySqr;
7921 if(seekGraphUp) { // [HGM] seekgraph
7922 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7923 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7927 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7928 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7929 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7930 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7931 if(action == Press) {
7932 originalFlip = flipView;
7933 flipView = !flipView; // temporarily flip board to see game from partners perspective
7934 DrawPosition(TRUE, partnerBoard);
7935 DisplayMessage(partnerStatus, "");
7937 } else if(action == Release) {
7938 flipView = originalFlip;
7939 DrawPosition(TRUE, boards[currentMove]);
7945 xSqr = EventToSquare(x, BOARD_WIDTH);
7946 ySqr = EventToSquare(y, BOARD_HEIGHT);
7947 if (action == Release) {
7948 if(pieceSweep != EmptySquare) {
7949 EditPositionMenuEvent(pieceSweep, toX, toY);
7950 pieceSweep = EmptySquare;
7951 } else UnLoadPV(); // [HGM] pv
7953 if (action != Press) return -2; // return code to be ignored
7956 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7958 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7959 if (xSqr < 0 || ySqr < 0) return -1;
7960 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7961 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7962 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7963 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7967 if(!appData.icsEngineAnalyze) return -1;
7968 case IcsPlayingWhite:
7969 case IcsPlayingBlack:
7970 if(!appData.zippyPlay) goto noZip;
7973 case MachinePlaysWhite:
7974 case MachinePlaysBlack:
7975 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7976 if (!appData.dropMenu) {
7978 return 2; // flag front-end to grab mouse events
7980 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7981 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7984 if (xSqr < 0 || ySqr < 0) return -1;
7985 if (!appData.dropMenu || appData.testLegality &&
7986 gameInfo.variant != VariantBughouse &&
7987 gameInfo.variant != VariantCrazyhouse) return -1;
7988 whichMenu = 1; // drop menu
7994 if (((*fromX = xSqr) < 0) ||
7995 ((*fromY = ySqr) < 0)) {
7996 *fromX = *fromY = -1;
8000 *fromX = BOARD_WIDTH - 1 - *fromX;
8002 *fromY = BOARD_HEIGHT - 1 - *fromY;
8008 Wheel (int dir, int x, int y)
8010 if(gameMode == EditPosition) {
8011 int xSqr = EventToSquare(x, BOARD_WIDTH);
8012 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8013 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8014 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8016 boards[currentMove][ySqr][xSqr] += dir;
8017 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8018 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8019 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8020 DrawPosition(FALSE, boards[currentMove]);
8021 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8025 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8027 // char * hint = lastHint;
8028 FrontEndProgramStats stats;
8030 stats.which = cps == &first ? 0 : 1;
8031 stats.depth = cpstats->depth;
8032 stats.nodes = cpstats->nodes;
8033 stats.score = cpstats->score;
8034 stats.time = cpstats->time;
8035 stats.pv = cpstats->movelist;
8036 stats.hint = lastHint;
8037 stats.an_move_index = 0;
8038 stats.an_move_count = 0;
8040 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8041 stats.hint = cpstats->move_name;
8042 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8043 stats.an_move_count = cpstats->nr_moves;
8046 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
8048 SetProgramStats( &stats );
8052 ClearEngineOutputPane (int which)
8054 static FrontEndProgramStats dummyStats;
8055 dummyStats.which = which;
8056 dummyStats.pv = "#";
8057 SetProgramStats( &dummyStats );
8060 #define MAXPLAYERS 500
8063 TourneyStandings (int display)
8065 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8066 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8067 char result, *p, *names[MAXPLAYERS];
8069 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8070 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8071 names[0] = p = strdup(appData.participants);
8072 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8074 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8076 while(result = appData.results[nr]) {
8077 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8078 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8079 wScore = bScore = 0;
8081 case '+': wScore = 2; break;
8082 case '-': bScore = 2; break;
8083 case '=': wScore = bScore = 1; break;
8085 case '*': return strdup("busy"); // tourney not finished
8093 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8094 for(w=0; w<nPlayers; w++) {
8096 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8097 ranking[w] = b; points[w] = bScore; score[b] = -2;
8099 p = malloc(nPlayers*34+1);
8100 for(w=0; w<nPlayers && w<display; w++)
8101 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8107 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8108 { // count all piece types
8110 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8111 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8112 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8115 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8116 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8117 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8118 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8119 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8120 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8125 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8127 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8128 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8130 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8131 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8132 if(myPawns == 2 && nMine == 3) // KPP
8133 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8134 if(myPawns == 1 && nMine == 2) // KP
8135 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8136 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8137 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8138 if(myPawns) return FALSE;
8139 if(pCnt[WhiteRook+side])
8140 return pCnt[BlackRook-side] ||
8141 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8142 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8143 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8144 if(pCnt[WhiteCannon+side]) {
8145 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8146 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8148 if(pCnt[WhiteKnight+side])
8149 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8154 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8156 VariantClass v = gameInfo.variant;
8158 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8159 if(v == VariantShatranj) return TRUE; // always winnable through baring
8160 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8161 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8163 if(v == VariantXiangqi) {
8164 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8166 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8167 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8168 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8169 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8170 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8171 if(stale) // we have at least one last-rank P plus perhaps C
8172 return majors // KPKX
8173 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8175 return pCnt[WhiteFerz+side] // KCAK
8176 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8177 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8178 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8180 } else if(v == VariantKnightmate) {
8181 if(nMine == 1) return FALSE;
8182 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8183 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8184 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8186 if(nMine == 1) return FALSE; // bare King
8187 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
8188 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8189 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8190 // by now we have King + 1 piece (or multiple Bishops on the same color)
8191 if(pCnt[WhiteKnight+side])
8192 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8193 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8194 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8196 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8197 if(pCnt[WhiteAlfil+side])
8198 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8199 if(pCnt[WhiteWazir+side])
8200 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8207 CompareWithRights (Board b1, Board b2)
8210 if(!CompareBoards(b1, b2)) return FALSE;
8211 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8212 /* compare castling rights */
8213 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8214 rights++; /* King lost rights, while rook still had them */
8215 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8216 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8217 rights++; /* but at least one rook lost them */
8219 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8221 if( b1[CASTLING][5] != NoRights ) {
8222 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8229 Adjudicate (ChessProgramState *cps)
8230 { // [HGM] some adjudications useful with buggy engines
8231 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8232 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8233 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8234 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8235 int k, drop, count = 0; static int bare = 1;
8236 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8237 Boolean canAdjudicate = !appData.icsActive;
8239 // most tests only when we understand the game, i.e. legality-checking on
8240 if( appData.testLegality )
8241 { /* [HGM] Some more adjudications for obstinate engines */
8242 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8243 static int moveCount = 6;
8245 char *reason = NULL;
8247 /* Count what is on board. */
8248 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8250 /* Some material-based adjudications that have to be made before stalemate test */
8251 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8252 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8253 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8254 if(canAdjudicate && appData.checkMates) {
8256 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8257 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8258 "Xboard adjudication: King destroyed", GE_XBOARD );
8263 /* Bare King in Shatranj (loses) or Losers (wins) */
8264 if( nrW == 1 || nrB == 1) {
8265 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8266 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8267 if(canAdjudicate && appData.checkMates) {
8269 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8270 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8271 "Xboard adjudication: Bare king", GE_XBOARD );
8275 if( gameInfo.variant == VariantShatranj && --bare < 0)
8277 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8278 if(canAdjudicate && appData.checkMates) {
8279 /* but only adjudicate if adjudication enabled */
8281 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8282 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8283 "Xboard adjudication: Bare king", GE_XBOARD );
8290 // don't wait for engine to announce game end if we can judge ourselves
8291 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8293 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8294 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8295 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8296 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8299 reason = "Xboard adjudication: 3rd check";
8300 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8311 reason = "Xboard adjudication: Stalemate";
8312 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8313 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8314 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8315 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8316 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8317 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8318 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8319 EP_CHECKMATE : EP_WINS);
8320 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8321 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8325 reason = "Xboard adjudication: Checkmate";
8326 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8327 if(gameInfo.variant == VariantShogi) {
8328 if(forwardMostMove > backwardMostMove
8329 && moveList[forwardMostMove-1][1] == '@'
8330 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8331 reason = "XBoard adjudication: pawn-drop mate";
8332 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8338 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8340 result = GameIsDrawn; break;
8342 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8344 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8348 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8350 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8351 GameEnds( result, reason, GE_XBOARD );
8355 /* Next absolutely insufficient mating material. */
8356 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8357 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8358 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8360 /* always flag draws, for judging claims */
8361 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8363 if(canAdjudicate && appData.materialDraws) {
8364 /* but only adjudicate them if adjudication enabled */
8365 if(engineOpponent) {
8366 SendToProgram("force\n", engineOpponent); // suppress reply
8367 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8369 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8374 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8375 if(gameInfo.variant == VariantXiangqi ?
8376 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8378 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8379 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8380 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8381 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8383 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8384 { /* if the first 3 moves do not show a tactical win, declare draw */
8385 if(engineOpponent) {
8386 SendToProgram("force\n", engineOpponent); // suppress reply
8387 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8389 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8392 } else moveCount = 6;
8395 // Repetition draws and 50-move rule can be applied independently of legality testing
8397 /* Check for rep-draws */
8399 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8400 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8401 for(k = forwardMostMove-2;
8402 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8403 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8404 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8407 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8408 /* compare castling rights */
8409 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8410 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8411 rights++; /* King lost rights, while rook still had them */
8412 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8413 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8414 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8415 rights++; /* but at least one rook lost them */
8417 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8418 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8420 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8421 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8422 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8425 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8426 && appData.drawRepeats > 1) {
8427 /* adjudicate after user-specified nr of repeats */
8428 int result = GameIsDrawn;
8429 char *details = "XBoard adjudication: repetition draw";
8430 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8431 // [HGM] xiangqi: check for forbidden perpetuals
8432 int m, ourPerpetual = 1, hisPerpetual = 1;
8433 for(m=forwardMostMove; m>k; m-=2) {
8434 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8435 ourPerpetual = 0; // the current mover did not always check
8436 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8437 hisPerpetual = 0; // the opponent did not always check
8439 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8440 ourPerpetual, hisPerpetual);
8441 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8442 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8443 details = "Xboard adjudication: perpetual checking";
8445 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8446 break; // (or we would have caught him before). Abort repetition-checking loop.
8448 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8449 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8451 details = "Xboard adjudication: repetition";
8453 } else // it must be XQ
8454 // Now check for perpetual chases
8455 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8456 hisPerpetual = PerpetualChase(k, forwardMostMove);
8457 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8458 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8459 static char resdet[MSG_SIZ];
8460 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8462 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8464 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8465 break; // Abort repetition-checking loop.
8467 // if neither of us is checking or chasing all the time, or both are, it is draw
8469 if(engineOpponent) {
8470 SendToProgram("force\n", engineOpponent); // suppress reply
8471 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8473 GameEnds( result, details, GE_XBOARD );
8476 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8477 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8481 /* Now we test for 50-move draws. Determine ply count */
8482 count = forwardMostMove;
8483 /* look for last irreversble move */
8484 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8486 /* if we hit starting position, add initial plies */
8487 if( count == backwardMostMove )
8488 count -= initialRulePlies;
8489 count = forwardMostMove - count;
8490 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8491 // adjust reversible move counter for checks in Xiangqi
8492 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8493 if(i < backwardMostMove) i = backwardMostMove;
8494 while(i <= forwardMostMove) {
8495 lastCheck = inCheck; // check evasion does not count
8496 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8497 if(inCheck || lastCheck) count--; // check does not count
8502 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8503 /* this is used to judge if draw claims are legal */
8504 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8505 if(engineOpponent) {
8506 SendToProgram("force\n", engineOpponent); // suppress reply
8507 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8509 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8513 /* if draw offer is pending, treat it as a draw claim
8514 * when draw condition present, to allow engines a way to
8515 * claim draws before making their move to avoid a race
8516 * condition occurring after their move
8518 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8520 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8521 p = "Draw claim: 50-move rule";
8522 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8523 p = "Draw claim: 3-fold repetition";
8524 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8525 p = "Draw claim: insufficient mating material";
8526 if( p != NULL && canAdjudicate) {
8527 if(engineOpponent) {
8528 SendToProgram("force\n", engineOpponent); // suppress reply
8529 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8531 GameEnds( GameIsDrawn, p, GE_XBOARD );
8536 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8537 if(engineOpponent) {
8538 SendToProgram("force\n", engineOpponent); // suppress reply
8539 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8541 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8547 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8548 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8549 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8554 int pieces[10], squares[10], cnt=0, r, f, res;
8556 static PPROBE_EGBB probeBB;
8557 if(!appData.testLegality) return 10;
8558 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8559 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8560 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8561 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8562 ChessSquare piece = boards[forwardMostMove][r][f];
8563 int black = (piece >= BlackPawn);
8564 int type = piece - black*BlackPawn;
8565 if(piece == EmptySquare) continue;
8566 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8567 if(type == WhiteKing) type = WhiteQueen + 1;
8568 type = egbbCode[type];
8569 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8570 pieces[cnt] = type + black*6;
8571 if(++cnt > 5) return 11;
8573 pieces[cnt] = squares[cnt] = 0;
8575 if(loaded == 2) return 13; // loading failed before
8577 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8580 loaded = 2; // prepare for failure
8581 if(!path) return 13; // no egbb installed
8582 strncpy(buf, path + 8, MSG_SIZ);
8583 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8584 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8585 lib = LoadLibrary(buf);
8586 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8587 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8588 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8589 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8590 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8591 loaded = 1; // success!
8593 res = probeBB(forwardMostMove & 1, pieces, squares);
8594 return res > 0 ? 1 : res < 0 ? -1 : 0;
8598 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8599 { // [HGM] book: this routine intercepts moves to simulate book replies
8600 char *bookHit = NULL;
8602 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8604 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8605 SendToProgram(buf, cps);
8607 //first determine if the incoming move brings opponent into his book
8608 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8609 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8610 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8611 if(bookHit != NULL && !cps->bookSuspend) {
8612 // make sure opponent is not going to reply after receiving move to book position
8613 SendToProgram("force\n", cps);
8614 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8616 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8617 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8618 // now arrange restart after book miss
8620 // after a book hit we never send 'go', and the code after the call to this routine
8621 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8622 char buf[MSG_SIZ], *move = bookHit;
8624 int fromX, fromY, toX, toY;
8628 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8629 &fromX, &fromY, &toX, &toY, &promoChar)) {
8630 (void) CoordsToAlgebraic(boards[forwardMostMove],
8631 PosFlags(forwardMostMove),
8632 fromY, fromX, toY, toX, promoChar, move);
8634 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8638 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8639 SendToProgram(buf, cps);
8640 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8641 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8642 SendToProgram("go\n", cps);
8643 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8644 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8645 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8646 SendToProgram("go\n", cps);
8647 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8649 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8653 LoadError (char *errmess, ChessProgramState *cps)
8654 { // unloads engine and switches back to -ncp mode if it was first
8655 if(cps->initDone) return FALSE;
8656 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8657 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8660 appData.noChessProgram = TRUE;
8661 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8662 gameMode = BeginningOfGame; ModeHighlight();
8665 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8666 DisplayMessage("", ""); // erase waiting message
8667 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8672 ChessProgramState *savedState;
8674 DeferredBookMove (void)
8676 if(savedState->lastPing != savedState->lastPong)
8677 ScheduleDelayedEvent(DeferredBookMove, 10);
8679 HandleMachineMove(savedMessage, savedState);
8682 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8683 static ChessProgramState *stalledEngine;
8684 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8687 HandleMachineMove (char *message, ChessProgramState *cps)
8689 static char firstLeg[20], legs;
8690 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8691 char realname[MSG_SIZ];
8692 int fromX, fromY, toX, toY;
8694 char promoChar, roar;
8699 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8700 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8701 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8702 DisplayError(_("Invalid pairing from pairing engine"), 0);
8705 pairingReceived = 1;
8707 return; // Skim the pairing messages here.
8710 oldError = cps->userError; cps->userError = 0;
8712 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8714 * Kludge to ignore BEL characters
8716 while (*message == '\007') message++;
8719 * [HGM] engine debug message: ignore lines starting with '#' character
8721 if(cps->debug && *message == '#') return;
8724 * Look for book output
8726 if (cps == &first && bookRequested) {
8727 if (message[0] == '\t' || message[0] == ' ') {
8728 /* Part of the book output is here; append it */
8729 strcat(bookOutput, message);
8730 strcat(bookOutput, " \n");
8732 } else if (bookOutput[0] != NULLCHAR) {
8733 /* All of book output has arrived; display it */
8734 char *p = bookOutput;
8735 while (*p != NULLCHAR) {
8736 if (*p == '\t') *p = ' ';
8739 DisplayInformation(bookOutput);
8740 bookRequested = FALSE;
8741 /* Fall through to parse the current output */
8746 * Look for machine move.
8748 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8749 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8751 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8752 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8753 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8754 stalledEngine = cps;
8755 if(appData.ponderNextMove) { // bring opponent out of ponder
8756 if(gameMode == TwoMachinesPlay) {
8757 if(cps->other->pause)
8758 PauseEngine(cps->other);
8760 SendToProgram("easy\n", cps->other);
8769 /* This method is only useful on engines that support ping */
8770 if(abortEngineThink) {
8771 if (appData.debugMode) {
8772 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8774 SendToProgram("undo\n", cps);
8778 if (cps->lastPing != cps->lastPong) {
8779 /* Extra move from before last new; ignore */
8780 if (appData.debugMode) {
8781 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8788 int machineWhite = FALSE;
8791 case BeginningOfGame:
8792 /* Extra move from before last reset; ignore */
8793 if (appData.debugMode) {
8794 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8801 /* Extra move after we tried to stop. The mode test is
8802 not a reliable way of detecting this problem, but it's
8803 the best we can do on engines that don't support ping.
8805 if (appData.debugMode) {
8806 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8807 cps->which, gameMode);
8809 SendToProgram("undo\n", cps);
8812 case MachinePlaysWhite:
8813 case IcsPlayingWhite:
8814 machineWhite = TRUE;
8817 case MachinePlaysBlack:
8818 case IcsPlayingBlack:
8819 machineWhite = FALSE;
8822 case TwoMachinesPlay:
8823 machineWhite = (cps->twoMachinesColor[0] == 'w');
8826 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8827 if (appData.debugMode) {
8829 "Ignoring move out of turn by %s, gameMode %d"
8830 ", forwardMost %d\n",
8831 cps->which, gameMode, forwardMostMove);
8837 if(cps->alphaRank) AlphaRank(machineMove, 4);
8839 // [HGM] lion: (some very limited) support for Alien protocol
8840 killX = killY = kill2X = kill2Y = -1;
8841 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8842 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8843 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8846 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8847 char *q = strchr(p+1, ','); // second comma?
8848 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8849 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8850 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8852 if(firstLeg[0]) { // there was a previous leg;
8853 // only support case where same piece makes two step
8854 char buf[20], *p = machineMove+1, *q = buf+1, f;
8855 safeStrCpy(buf, machineMove, 20);
8856 while(isdigit(*q)) q++; // find start of to-square
8857 safeStrCpy(machineMove, firstLeg, 20);
8858 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8859 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8860 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8861 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8862 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8863 firstLeg[0] = NULLCHAR; legs = 0;
8866 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8867 &fromX, &fromY, &toX, &toY, &promoChar)) {
8868 /* Machine move could not be parsed; ignore it. */
8869 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8870 machineMove, _(cps->which));
8871 DisplayMoveError(buf1);
8872 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8873 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8874 if (gameMode == TwoMachinesPlay) {
8875 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8881 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8882 /* So we have to redo legality test with true e.p. status here, */
8883 /* to make sure an illegal e.p. capture does not slip through, */
8884 /* to cause a forfeit on a justified illegal-move complaint */
8885 /* of the opponent. */
8886 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8888 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8889 fromY, fromX, toY, toX, promoChar);
8890 if(moveType == IllegalMove) {
8891 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8892 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8893 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8896 } else if(!appData.fischerCastling)
8897 /* [HGM] Kludge to handle engines that send FRC-style castling
8898 when they shouldn't (like TSCP-Gothic) */
8900 case WhiteASideCastleFR:
8901 case BlackASideCastleFR:
8903 currentMoveString[2]++;
8905 case WhiteHSideCastleFR:
8906 case BlackHSideCastleFR:
8908 currentMoveString[2]--;
8910 default: ; // nothing to do, but suppresses warning of pedantic compilers
8913 hintRequested = FALSE;
8914 lastHint[0] = NULLCHAR;
8915 bookRequested = FALSE;
8916 /* Program may be pondering now */
8917 cps->maybeThinking = TRUE;
8918 if (cps->sendTime == 2) cps->sendTime = 1;
8919 if (cps->offeredDraw) cps->offeredDraw--;
8921 /* [AS] Save move info*/
8922 pvInfoList[ forwardMostMove ].score = programStats.score;
8923 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8924 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8926 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8928 /* Test suites abort the 'game' after one move */
8929 if(*appData.finger) {
8931 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8932 if(!f) f = fopen(appData.finger, "w");
8933 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8934 else { DisplayFatalError("Bad output file", errno, 0); return; }
8936 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8939 if(solvingTime >= 0) {
8940 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8941 totalTime += solvingTime; first.matchWins++;
8943 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8946 OutputKibitz(2, buf1);
8947 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8950 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8951 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8954 while( count < adjudicateLossPlies ) {
8955 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8958 score = -score; /* Flip score for winning side */
8961 if( score > appData.adjudicateLossThreshold ) {
8968 if( count >= adjudicateLossPlies ) {
8969 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8971 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8972 "Xboard adjudication",
8979 if(Adjudicate(cps)) {
8980 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8981 return; // [HGM] adjudicate: for all automatic game ends
8985 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8987 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8988 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8990 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8992 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8994 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8995 char buf[3*MSG_SIZ];
8997 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8998 programStats.score / 100.,
9000 programStats.time / 100.,
9001 (unsigned int)programStats.nodes,
9002 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9003 programStats.movelist);
9009 /* [AS] Clear stats for next move */
9010 ClearProgramStats();
9011 thinkOutput[0] = NULLCHAR;
9012 hiddenThinkOutputState = 0;
9015 if (gameMode == TwoMachinesPlay) {
9016 /* [HGM] relaying draw offers moved to after reception of move */
9017 /* and interpreting offer as claim if it brings draw condition */
9018 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9019 SendToProgram("draw\n", cps->other);
9021 if (cps->other->sendTime) {
9022 SendTimeRemaining(cps->other,
9023 cps->other->twoMachinesColor[0] == 'w');
9025 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9026 if (firstMove && !bookHit) {
9028 if (cps->other->useColors) {
9029 SendToProgram(cps->other->twoMachinesColor, cps->other);
9031 SendToProgram("go\n", cps->other);
9033 cps->other->maybeThinking = TRUE;
9036 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9038 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9040 if (!pausing && appData.ringBellAfterMoves) {
9041 if(!roar) RingBell();
9045 * Reenable menu items that were disabled while
9046 * machine was thinking
9048 if (gameMode != TwoMachinesPlay)
9049 SetUserThinkingEnables();
9051 // [HGM] book: after book hit opponent has received move and is now in force mode
9052 // force the book reply into it, and then fake that it outputted this move by jumping
9053 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9055 static char bookMove[MSG_SIZ]; // a bit generous?
9057 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9058 strcat(bookMove, bookHit);
9061 programStats.nodes = programStats.depth = programStats.time =
9062 programStats.score = programStats.got_only_move = 0;
9063 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9065 if(cps->lastPing != cps->lastPong) {
9066 savedMessage = message; // args for deferred call
9068 ScheduleDelayedEvent(DeferredBookMove, 10);
9077 /* Set special modes for chess engines. Later something general
9078 * could be added here; for now there is just one kludge feature,
9079 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9080 * when "xboard" is given as an interactive command.
9082 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9083 cps->useSigint = FALSE;
9084 cps->useSigterm = FALSE;
9086 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9087 ParseFeatures(message+8, cps);
9088 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9091 if (!strncmp(message, "setup ", 6) &&
9092 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9093 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9094 ) { // [HGM] allow first engine to define opening position
9095 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9096 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9098 if(sscanf(message, "setup (%s", buf) == 1) {
9099 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9100 ASSIGN(appData.pieceToCharTable, buf);
9102 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9104 while(message[s] && message[s++] != ' ');
9105 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9106 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9107 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9108 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9109 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9110 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9111 startedFromSetupPosition = FALSE;
9114 if(startedFromSetupPosition) return;
9115 ParseFEN(boards[0], &dummy, message+s, FALSE);
9116 DrawPosition(TRUE, boards[0]);
9117 CopyBoard(initialPosition, boards[0]);
9118 startedFromSetupPosition = TRUE;
9121 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9122 ChessSquare piece = WhitePawn;
9123 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9124 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9125 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9126 piece += CharToPiece(ID & 255) - WhitePawn;
9127 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9128 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9129 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9130 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9131 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9132 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9133 && gameInfo.variant != VariantGreat
9134 && gameInfo.variant != VariantFairy ) return;
9135 if(piece < EmptySquare) {
9137 ASSIGN(pieceDesc[piece], buf1);
9138 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9142 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9143 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9147 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9148 * want this, I was asked to put it in, and obliged.
9150 if (!strncmp(message, "setboard ", 9)) {
9151 Board initial_position;
9153 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9155 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9156 DisplayError(_("Bad FEN received from engine"), 0);
9160 CopyBoard(boards[0], initial_position);
9161 initialRulePlies = FENrulePlies;
9162 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9163 else gameMode = MachinePlaysBlack;
9164 DrawPosition(FALSE, boards[currentMove]);
9170 * Look for communication commands
9172 if (!strncmp(message, "telluser ", 9)) {
9173 if(message[9] == '\\' && message[10] == '\\')
9174 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9176 DisplayNote(message + 9);
9179 if (!strncmp(message, "tellusererror ", 14)) {
9181 if(message[14] == '\\' && message[15] == '\\')
9182 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9184 DisplayError(message + 14, 0);
9187 if (!strncmp(message, "tellopponent ", 13)) {
9188 if (appData.icsActive) {
9190 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9194 DisplayNote(message + 13);
9198 if (!strncmp(message, "tellothers ", 11)) {
9199 if (appData.icsActive) {
9201 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9204 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9207 if (!strncmp(message, "tellall ", 8)) {
9208 if (appData.icsActive) {
9210 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9214 DisplayNote(message + 8);
9218 if (strncmp(message, "warning", 7) == 0) {
9219 /* Undocumented feature, use tellusererror in new code */
9220 DisplayError(message, 0);
9223 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9224 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9225 strcat(realname, " query");
9226 AskQuestion(realname, buf2, buf1, cps->pr);
9229 /* Commands from the engine directly to ICS. We don't allow these to be
9230 * sent until we are logged on. Crafty kibitzes have been known to
9231 * interfere with the login process.
9234 if (!strncmp(message, "tellics ", 8)) {
9235 SendToICS(message + 8);
9239 if (!strncmp(message, "tellicsnoalias ", 15)) {
9240 SendToICS(ics_prefix);
9241 SendToICS(message + 15);
9245 /* The following are for backward compatibility only */
9246 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9247 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9248 SendToICS(ics_prefix);
9254 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9255 if(initPing == cps->lastPong) {
9256 if(gameInfo.variant == VariantUnknown) {
9257 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9258 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9259 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9263 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9264 abortEngineThink = FALSE;
9265 DisplayMessage("", "");
9270 if(!strncmp(message, "highlight ", 10)) {
9271 if(appData.testLegality && !*engineVariant && appData.markers) return;
9272 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9275 if(!strncmp(message, "click ", 6)) {
9276 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9277 if(appData.testLegality || !appData.oneClick) return;
9278 sscanf(message+6, "%c%d%c", &f, &y, &c);
9279 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9280 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9281 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9282 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9283 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9284 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9285 LeftClick(Release, lastLeftX, lastLeftY);
9286 controlKey = (c == ',');
9287 LeftClick(Press, x, y);
9288 LeftClick(Release, x, y);
9289 first.highlight = f;
9293 * If the move is illegal, cancel it and redraw the board.
9294 * Also deal with other error cases. Matching is rather loose
9295 * here to accommodate engines written before the spec.
9297 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9298 strncmp(message, "Error", 5) == 0) {
9299 if (StrStr(message, "name") ||
9300 StrStr(message, "rating") || StrStr(message, "?") ||
9301 StrStr(message, "result") || StrStr(message, "board") ||
9302 StrStr(message, "bk") || StrStr(message, "computer") ||
9303 StrStr(message, "variant") || StrStr(message, "hint") ||
9304 StrStr(message, "random") || StrStr(message, "depth") ||
9305 StrStr(message, "accepted")) {
9308 if (StrStr(message, "protover")) {
9309 /* Program is responding to input, so it's apparently done
9310 initializing, and this error message indicates it is
9311 protocol version 1. So we don't need to wait any longer
9312 for it to initialize and send feature commands. */
9313 FeatureDone(cps, 1);
9314 cps->protocolVersion = 1;
9317 cps->maybeThinking = FALSE;
9319 if (StrStr(message, "draw")) {
9320 /* Program doesn't have "draw" command */
9321 cps->sendDrawOffers = 0;
9324 if (cps->sendTime != 1 &&
9325 (StrStr(message, "time") || StrStr(message, "otim"))) {
9326 /* Program apparently doesn't have "time" or "otim" command */
9330 if (StrStr(message, "analyze")) {
9331 cps->analysisSupport = FALSE;
9332 cps->analyzing = FALSE;
9333 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9334 EditGameEvent(); // [HGM] try to preserve loaded game
9335 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9336 DisplayError(buf2, 0);
9339 if (StrStr(message, "(no matching move)st")) {
9340 /* Special kludge for GNU Chess 4 only */
9341 cps->stKludge = TRUE;
9342 SendTimeControl(cps, movesPerSession, timeControl,
9343 timeIncrement, appData.searchDepth,
9347 if (StrStr(message, "(no matching move)sd")) {
9348 /* Special kludge for GNU Chess 4 only */
9349 cps->sdKludge = TRUE;
9350 SendTimeControl(cps, movesPerSession, timeControl,
9351 timeIncrement, appData.searchDepth,
9355 if (!StrStr(message, "llegal")) {
9358 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9359 gameMode == IcsIdle) return;
9360 if (forwardMostMove <= backwardMostMove) return;
9361 if (pausing) PauseEvent();
9362 if(appData.forceIllegal) {
9363 // [HGM] illegal: machine refused move; force position after move into it
9364 SendToProgram("force\n", cps);
9365 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9366 // we have a real problem now, as SendBoard will use the a2a3 kludge
9367 // when black is to move, while there might be nothing on a2 or black
9368 // might already have the move. So send the board as if white has the move.
9369 // But first we must change the stm of the engine, as it refused the last move
9370 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9371 if(WhiteOnMove(forwardMostMove)) {
9372 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9373 SendBoard(cps, forwardMostMove); // kludgeless board
9375 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9376 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9377 SendBoard(cps, forwardMostMove+1); // kludgeless board
9379 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9380 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9381 gameMode == TwoMachinesPlay)
9382 SendToProgram("go\n", cps);
9385 if (gameMode == PlayFromGameFile) {
9386 /* Stop reading this game file */
9387 gameMode = EditGame;
9390 /* [HGM] illegal-move claim should forfeit game when Xboard */
9391 /* only passes fully legal moves */
9392 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9393 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9394 "False illegal-move claim", GE_XBOARD );
9395 return; // do not take back move we tested as valid
9397 currentMove = forwardMostMove-1;
9398 DisplayMove(currentMove-1); /* before DisplayMoveError */
9399 SwitchClocks(forwardMostMove-1); // [HGM] race
9400 DisplayBothClocks();
9401 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9402 parseList[currentMove], _(cps->which));
9403 DisplayMoveError(buf1);
9404 DrawPosition(FALSE, boards[currentMove]);
9406 SetUserThinkingEnables();
9409 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9410 /* Program has a broken "time" command that
9411 outputs a string not ending in newline.
9415 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9416 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9417 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9421 * If chess program startup fails, exit with an error message.
9422 * Attempts to recover here are futile. [HGM] Well, we try anyway
9424 if ((StrStr(message, "unknown host") != NULL)
9425 || (StrStr(message, "No remote directory") != NULL)
9426 || (StrStr(message, "not found") != NULL)
9427 || (StrStr(message, "No such file") != NULL)
9428 || (StrStr(message, "can't alloc") != NULL)
9429 || (StrStr(message, "Permission denied") != NULL)) {
9431 cps->maybeThinking = FALSE;
9432 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9433 _(cps->which), cps->program, cps->host, message);
9434 RemoveInputSource(cps->isr);
9435 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9436 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9437 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9443 * Look for hint output
9445 if (sscanf(message, "Hint: %s", buf1) == 1) {
9446 if (cps == &first && hintRequested) {
9447 hintRequested = FALSE;
9448 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9449 &fromX, &fromY, &toX, &toY, &promoChar)) {
9450 (void) CoordsToAlgebraic(boards[forwardMostMove],
9451 PosFlags(forwardMostMove),
9452 fromY, fromX, toY, toX, promoChar, buf1);
9453 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9454 DisplayInformation(buf2);
9456 /* Hint move could not be parsed!? */
9457 snprintf(buf2, sizeof(buf2),
9458 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9459 buf1, _(cps->which));
9460 DisplayError(buf2, 0);
9463 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9469 * Ignore other messages if game is not in progress
9471 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9472 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9475 * look for win, lose, draw, or draw offer
9477 if (strncmp(message, "1-0", 3) == 0) {
9478 char *p, *q, *r = "";
9479 p = strchr(message, '{');
9487 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9489 } else if (strncmp(message, "0-1", 3) == 0) {
9490 char *p, *q, *r = "";
9491 p = strchr(message, '{');
9499 /* Kludge for Arasan 4.1 bug */
9500 if (strcmp(r, "Black resigns") == 0) {
9501 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9504 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9506 } else if (strncmp(message, "1/2", 3) == 0) {
9507 char *p, *q, *r = "";
9508 p = strchr(message, '{');
9517 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9520 } else if (strncmp(message, "White resign", 12) == 0) {
9521 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9523 } else if (strncmp(message, "Black resign", 12) == 0) {
9524 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9526 } else if (strncmp(message, "White matches", 13) == 0 ||
9527 strncmp(message, "Black matches", 13) == 0 ) {
9528 /* [HGM] ignore GNUShogi noises */
9530 } else if (strncmp(message, "White", 5) == 0 &&
9531 message[5] != '(' &&
9532 StrStr(message, "Black") == NULL) {
9533 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9535 } else if (strncmp(message, "Black", 5) == 0 &&
9536 message[5] != '(') {
9537 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9539 } else if (strcmp(message, "resign") == 0 ||
9540 strcmp(message, "computer resigns") == 0) {
9542 case MachinePlaysBlack:
9543 case IcsPlayingBlack:
9544 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9546 case MachinePlaysWhite:
9547 case IcsPlayingWhite:
9548 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9550 case TwoMachinesPlay:
9551 if (cps->twoMachinesColor[0] == 'w')
9552 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9554 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9561 } else if (strncmp(message, "opponent mates", 14) == 0) {
9563 case MachinePlaysBlack:
9564 case IcsPlayingBlack:
9565 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9567 case MachinePlaysWhite:
9568 case IcsPlayingWhite:
9569 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9571 case TwoMachinesPlay:
9572 if (cps->twoMachinesColor[0] == 'w')
9573 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9575 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9582 } else if (strncmp(message, "computer mates", 14) == 0) {
9584 case MachinePlaysBlack:
9585 case IcsPlayingBlack:
9586 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9588 case MachinePlaysWhite:
9589 case IcsPlayingWhite:
9590 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9592 case TwoMachinesPlay:
9593 if (cps->twoMachinesColor[0] == 'w')
9594 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9596 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9603 } else if (strncmp(message, "checkmate", 9) == 0) {
9604 if (WhiteOnMove(forwardMostMove)) {
9605 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9607 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9610 } else if (strstr(message, "Draw") != NULL ||
9611 strstr(message, "game is a draw") != NULL) {
9612 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9614 } else if (strstr(message, "offer") != NULL &&
9615 strstr(message, "draw") != NULL) {
9617 if (appData.zippyPlay && first.initDone) {
9618 /* Relay offer to ICS */
9619 SendToICS(ics_prefix);
9620 SendToICS("draw\n");
9623 cps->offeredDraw = 2; /* valid until this engine moves twice */
9624 if (gameMode == TwoMachinesPlay) {
9625 if (cps->other->offeredDraw) {
9626 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9627 /* [HGM] in two-machine mode we delay relaying draw offer */
9628 /* until after we also have move, to see if it is really claim */
9630 } else if (gameMode == MachinePlaysWhite ||
9631 gameMode == MachinePlaysBlack) {
9632 if (userOfferedDraw) {
9633 DisplayInformation(_("Machine accepts your draw offer"));
9634 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9636 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9643 * Look for thinking output
9645 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9646 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9648 int plylev, mvleft, mvtot, curscore, time;
9649 char mvname[MOVE_LEN];
9653 int prefixHint = FALSE;
9654 mvname[0] = NULLCHAR;
9657 case MachinePlaysBlack:
9658 case IcsPlayingBlack:
9659 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9661 case MachinePlaysWhite:
9662 case IcsPlayingWhite:
9663 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9668 case IcsObserving: /* [DM] icsEngineAnalyze */
9669 if (!appData.icsEngineAnalyze) ignore = TRUE;
9671 case TwoMachinesPlay:
9672 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9682 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9684 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9685 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9686 char score_buf[MSG_SIZ];
9688 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9689 nodes += u64Const(0x100000000);
9691 if (plyext != ' ' && plyext != '\t') {
9695 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9696 if( cps->scoreIsAbsolute &&
9697 ( gameMode == MachinePlaysBlack ||
9698 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9699 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9700 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9701 !WhiteOnMove(currentMove)
9704 curscore = -curscore;
9707 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9709 if(*bestMove) { // rememer time best EPD move was first found
9710 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9712 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9713 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9714 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9717 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9720 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9721 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9722 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9723 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9724 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9725 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9729 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9730 DisplayError(_("failed writing PV"), 0);
9733 tempStats.depth = plylev;
9734 tempStats.nodes = nodes;
9735 tempStats.time = time;
9736 tempStats.score = curscore;
9737 tempStats.got_only_move = 0;
9739 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9742 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9743 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9744 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9745 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9746 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9747 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9748 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9749 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9752 /* Buffer overflow protection */
9753 if (pv[0] != NULLCHAR) {
9754 if (strlen(pv) >= sizeof(tempStats.movelist)
9755 && appData.debugMode) {
9757 "PV is too long; using the first %u bytes.\n",
9758 (unsigned) sizeof(tempStats.movelist) - 1);
9761 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9763 sprintf(tempStats.movelist, " no PV\n");
9766 if (tempStats.seen_stat) {
9767 tempStats.ok_to_send = 1;
9770 if (strchr(tempStats.movelist, '(') != NULL) {
9771 tempStats.line_is_book = 1;
9772 tempStats.nr_moves = 0;
9773 tempStats.moves_left = 0;
9775 tempStats.line_is_book = 0;
9778 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9779 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9781 SendProgramStatsToFrontend( cps, &tempStats );
9784 [AS] Protect the thinkOutput buffer from overflow... this
9785 is only useful if buf1 hasn't overflowed first!
9787 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9788 if(curscore >= MATE_SCORE)
9789 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9790 else if(curscore <= -MATE_SCORE)
9791 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9793 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9794 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9796 (gameMode == TwoMachinesPlay ?
9797 ToUpper(cps->twoMachinesColor[0]) : ' '),
9799 prefixHint ? lastHint : "",
9800 prefixHint ? " " : "" );
9802 if( buf1[0] != NULLCHAR ) {
9803 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9805 if( strlen(pv) > max_len ) {
9806 if( appData.debugMode) {
9807 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9809 pv[max_len+1] = '\0';
9812 strcat( thinkOutput, pv);
9815 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9816 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9817 DisplayMove(currentMove - 1);
9821 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9822 /* crafty (9.25+) says "(only move) <move>"
9823 * if there is only 1 legal move
9825 sscanf(p, "(only move) %s", buf1);
9826 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9827 sprintf(programStats.movelist, "%s (only move)", buf1);
9828 programStats.depth = 1;
9829 programStats.nr_moves = 1;
9830 programStats.moves_left = 1;
9831 programStats.nodes = 1;
9832 programStats.time = 1;
9833 programStats.got_only_move = 1;
9835 /* Not really, but we also use this member to
9836 mean "line isn't going to change" (Crafty
9837 isn't searching, so stats won't change) */
9838 programStats.line_is_book = 1;
9840 SendProgramStatsToFrontend( cps, &programStats );
9842 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9843 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9844 DisplayMove(currentMove - 1);
9847 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9848 &time, &nodes, &plylev, &mvleft,
9849 &mvtot, mvname) >= 5) {
9850 /* The stat01: line is from Crafty (9.29+) in response
9851 to the "." command */
9852 programStats.seen_stat = 1;
9853 cps->maybeThinking = TRUE;
9855 if (programStats.got_only_move || !appData.periodicUpdates)
9858 programStats.depth = plylev;
9859 programStats.time = time;
9860 programStats.nodes = nodes;
9861 programStats.moves_left = mvleft;
9862 programStats.nr_moves = mvtot;
9863 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9864 programStats.ok_to_send = 1;
9865 programStats.movelist[0] = '\0';
9867 SendProgramStatsToFrontend( cps, &programStats );
9871 } else if (strncmp(message,"++",2) == 0) {
9872 /* Crafty 9.29+ outputs this */
9873 programStats.got_fail = 2;
9876 } else if (strncmp(message,"--",2) == 0) {
9877 /* Crafty 9.29+ outputs this */
9878 programStats.got_fail = 1;
9881 } else if (thinkOutput[0] != NULLCHAR &&
9882 strncmp(message, " ", 4) == 0) {
9883 unsigned message_len;
9886 while (*p && *p == ' ') p++;
9888 message_len = strlen( p );
9890 /* [AS] Avoid buffer overflow */
9891 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9892 strcat(thinkOutput, " ");
9893 strcat(thinkOutput, p);
9896 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9897 strcat(programStats.movelist, " ");
9898 strcat(programStats.movelist, p);
9901 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9902 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9903 DisplayMove(currentMove - 1);
9911 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9912 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9914 ChessProgramStats cpstats;
9916 if (plyext != ' ' && plyext != '\t') {
9920 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9921 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9922 curscore = -curscore;
9925 cpstats.depth = plylev;
9926 cpstats.nodes = nodes;
9927 cpstats.time = time;
9928 cpstats.score = curscore;
9929 cpstats.got_only_move = 0;
9930 cpstats.movelist[0] = '\0';
9932 if (buf1[0] != NULLCHAR) {
9933 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9936 cpstats.ok_to_send = 0;
9937 cpstats.line_is_book = 0;
9938 cpstats.nr_moves = 0;
9939 cpstats.moves_left = 0;
9941 SendProgramStatsToFrontend( cps, &cpstats );
9948 /* Parse a game score from the character string "game", and
9949 record it as the history of the current game. The game
9950 score is NOT assumed to start from the standard position.
9951 The display is not updated in any way.
9954 ParseGameHistory (char *game)
9957 int fromX, fromY, toX, toY, boardIndex;
9962 if (appData.debugMode)
9963 fprintf(debugFP, "Parsing game history: %s\n", game);
9965 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9966 gameInfo.site = StrSave(appData.icsHost);
9967 gameInfo.date = PGNDate();
9968 gameInfo.round = StrSave("-");
9970 /* Parse out names of players */
9971 while (*game == ' ') game++;
9973 while (*game != ' ') *p++ = *game++;
9975 gameInfo.white = StrSave(buf);
9976 while (*game == ' ') game++;
9978 while (*game != ' ' && *game != '\n') *p++ = *game++;
9980 gameInfo.black = StrSave(buf);
9983 boardIndex = blackPlaysFirst ? 1 : 0;
9986 yyboardindex = boardIndex;
9987 moveType = (ChessMove) Myylex();
9989 case IllegalMove: /* maybe suicide chess, etc. */
9990 if (appData.debugMode) {
9991 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9992 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9993 setbuf(debugFP, NULL);
9995 case WhitePromotion:
9996 case BlackPromotion:
9997 case WhiteNonPromotion:
9998 case BlackNonPromotion:
10001 case WhiteCapturesEnPassant:
10002 case BlackCapturesEnPassant:
10003 case WhiteKingSideCastle:
10004 case WhiteQueenSideCastle:
10005 case BlackKingSideCastle:
10006 case BlackQueenSideCastle:
10007 case WhiteKingSideCastleWild:
10008 case WhiteQueenSideCastleWild:
10009 case BlackKingSideCastleWild:
10010 case BlackQueenSideCastleWild:
10012 case WhiteHSideCastleFR:
10013 case WhiteASideCastleFR:
10014 case BlackHSideCastleFR:
10015 case BlackASideCastleFR:
10017 fromX = currentMoveString[0] - AAA;
10018 fromY = currentMoveString[1] - ONE;
10019 toX = currentMoveString[2] - AAA;
10020 toY = currentMoveString[3] - ONE;
10021 promoChar = currentMoveString[4];
10025 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10026 fromX = moveType == WhiteDrop ?
10027 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10028 (int) CharToPiece(ToLower(currentMoveString[0]));
10030 toX = currentMoveString[2] - AAA;
10031 toY = currentMoveString[3] - ONE;
10032 promoChar = NULLCHAR;
10034 case AmbiguousMove:
10036 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10037 if (appData.debugMode) {
10038 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10039 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10040 setbuf(debugFP, NULL);
10042 DisplayError(buf, 0);
10044 case ImpossibleMove:
10046 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10047 if (appData.debugMode) {
10048 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10049 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10050 setbuf(debugFP, NULL);
10052 DisplayError(buf, 0);
10055 if (boardIndex < backwardMostMove) {
10056 /* Oops, gap. How did that happen? */
10057 DisplayError(_("Gap in move list"), 0);
10060 backwardMostMove = blackPlaysFirst ? 1 : 0;
10061 if (boardIndex > forwardMostMove) {
10062 forwardMostMove = boardIndex;
10066 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10067 strcat(parseList[boardIndex-1], " ");
10068 strcat(parseList[boardIndex-1], yy_text);
10080 case GameUnfinished:
10081 if (gameMode == IcsExamining) {
10082 if (boardIndex < backwardMostMove) {
10083 /* Oops, gap. How did that happen? */
10086 backwardMostMove = blackPlaysFirst ? 1 : 0;
10089 gameInfo.result = moveType;
10090 p = strchr(yy_text, '{');
10091 if (p == NULL) p = strchr(yy_text, '(');
10094 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10096 q = strchr(p, *p == '{' ? '}' : ')');
10097 if (q != NULL) *q = NULLCHAR;
10100 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10101 gameInfo.resultDetails = StrSave(p);
10104 if (boardIndex >= forwardMostMove &&
10105 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10106 backwardMostMove = blackPlaysFirst ? 1 : 0;
10109 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10110 fromY, fromX, toY, toX, promoChar,
10111 parseList[boardIndex]);
10112 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10113 /* currentMoveString is set as a side-effect of yylex */
10114 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10115 strcat(moveList[boardIndex], "\n");
10117 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10118 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10124 if(!IS_SHOGI(gameInfo.variant))
10125 strcat(parseList[boardIndex - 1], "+");
10129 strcat(parseList[boardIndex - 1], "#");
10136 /* Apply a move to the given board */
10138 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10140 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10141 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10143 /* [HGM] compute & store e.p. status and castling rights for new position */
10144 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10146 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10147 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10148 board[EP_STATUS] = EP_NONE;
10149 board[EP_FILE] = board[EP_RANK] = 100;
10151 if (fromY == DROP_RANK) {
10152 /* must be first */
10153 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10154 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10157 piece = board[toY][toX] = (ChessSquare) fromX;
10159 // ChessSquare victim;
10162 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10163 // victim = board[killY][killX],
10164 killed = board[killY][killX],
10165 board[killY][killX] = EmptySquare,
10166 board[EP_STATUS] = EP_CAPTURE;
10167 if( kill2X >= 0 && kill2Y >= 0)
10168 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10171 if( board[toY][toX] != EmptySquare ) {
10172 board[EP_STATUS] = EP_CAPTURE;
10173 if( (fromX != toX || fromY != toY) && // not igui!
10174 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10175 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10176 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10180 pawn = board[fromY][fromX];
10181 if( pawn == WhiteLance || pawn == BlackLance ) {
10182 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10183 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10184 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10187 if( pawn == WhitePawn ) {
10188 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10189 board[EP_STATUS] = EP_PAWN_MOVE;
10190 if( toY-fromY>=2) {
10191 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10192 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10193 gameInfo.variant != VariantBerolina || toX < fromX)
10194 board[EP_STATUS] = toX | berolina;
10195 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10196 gameInfo.variant != VariantBerolina || toX > fromX)
10197 board[EP_STATUS] = toX;
10200 if( pawn == BlackPawn ) {
10201 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10202 board[EP_STATUS] = EP_PAWN_MOVE;
10203 if( toY-fromY<= -2) {
10204 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10205 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10206 gameInfo.variant != VariantBerolina || toX < fromX)
10207 board[EP_STATUS] = toX | berolina;
10208 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10209 gameInfo.variant != VariantBerolina || toX > fromX)
10210 board[EP_STATUS] = toX;
10214 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10215 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10216 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10217 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10219 for(i=0; i<nrCastlingRights; i++) {
10220 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10221 board[CASTLING][i] == toX && castlingRank[i] == toY
10222 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10225 if(gameInfo.variant == VariantSChess) { // update virginity
10226 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10227 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10228 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10229 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10232 if (fromX == toX && fromY == toY && killX < 0) return;
10234 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10235 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10236 if(gameInfo.variant == VariantKnightmate)
10237 king += (int) WhiteUnicorn - (int) WhiteKing;
10239 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10240 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10241 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10242 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10243 board[EP_STATUS] = EP_NONE; // capture was fake!
10245 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10246 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10247 board[toY][toX] = piece;
10248 board[EP_STATUS] = EP_NONE; // capture was fake!
10250 /* Code added by Tord: */
10251 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10252 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10253 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10254 board[EP_STATUS] = EP_NONE; // capture was fake!
10255 board[fromY][fromX] = EmptySquare;
10256 board[toY][toX] = EmptySquare;
10257 if((toX > fromX) != (piece == WhiteRook)) {
10258 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10260 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10262 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10263 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10264 board[EP_STATUS] = EP_NONE;
10265 board[fromY][fromX] = EmptySquare;
10266 board[toY][toX] = EmptySquare;
10267 if((toX > fromX) != (piece == BlackRook)) {
10268 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10270 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10272 /* End of code added by Tord */
10274 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10275 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10276 board[toY][toX] = piece;
10277 } else if (board[fromY][fromX] == king
10278 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10279 && toY == fromY && toX > fromX+1) {
10280 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10281 board[fromY][toX-1] = board[fromY][rookX];
10282 board[fromY][rookX] = EmptySquare;
10283 board[fromY][fromX] = EmptySquare;
10284 board[toY][toX] = king;
10285 } else if (board[fromY][fromX] == king
10286 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10287 && toY == fromY && toX < fromX-1) {
10288 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10289 board[fromY][toX+1] = board[fromY][rookX];
10290 board[fromY][rookX] = EmptySquare;
10291 board[fromY][fromX] = EmptySquare;
10292 board[toY][toX] = king;
10293 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10294 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10295 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10297 /* white pawn promotion */
10298 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10299 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10300 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10301 board[fromY][fromX] = EmptySquare;
10302 } else if ((fromY >= BOARD_HEIGHT>>1)
10303 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10305 && gameInfo.variant != VariantXiangqi
10306 && gameInfo.variant != VariantBerolina
10307 && (pawn == WhitePawn)
10308 && (board[toY][toX] == EmptySquare)) {
10309 board[fromY][fromX] = EmptySquare;
10310 board[toY][toX] = piece;
10311 if(toY == epRank - 128 + 1)
10312 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10314 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10315 } else if ((fromY == BOARD_HEIGHT-4)
10317 && gameInfo.variant == VariantBerolina
10318 && (board[fromY][fromX] == WhitePawn)
10319 && (board[toY][toX] == EmptySquare)) {
10320 board[fromY][fromX] = EmptySquare;
10321 board[toY][toX] = WhitePawn;
10322 if(oldEP & EP_BEROLIN_A) {
10323 captured = board[fromY][fromX-1];
10324 board[fromY][fromX-1] = EmptySquare;
10325 }else{ captured = board[fromY][fromX+1];
10326 board[fromY][fromX+1] = EmptySquare;
10328 } else if (board[fromY][fromX] == king
10329 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10330 && toY == fromY && toX > fromX+1) {
10331 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10332 board[fromY][toX-1] = board[fromY][rookX];
10333 board[fromY][rookX] = EmptySquare;
10334 board[fromY][fromX] = EmptySquare;
10335 board[toY][toX] = king;
10336 } else if (board[fromY][fromX] == king
10337 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10338 && toY == fromY && toX < fromX-1) {
10339 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10340 board[fromY][toX+1] = board[fromY][rookX];
10341 board[fromY][rookX] = EmptySquare;
10342 board[fromY][fromX] = EmptySquare;
10343 board[toY][toX] = king;
10344 } else if (fromY == 7 && fromX == 3
10345 && board[fromY][fromX] == BlackKing
10346 && toY == 7 && toX == 5) {
10347 board[fromY][fromX] = EmptySquare;
10348 board[toY][toX] = BlackKing;
10349 board[fromY][7] = EmptySquare;
10350 board[toY][4] = BlackRook;
10351 } else if (fromY == 7 && fromX == 3
10352 && board[fromY][fromX] == BlackKing
10353 && toY == 7 && toX == 1) {
10354 board[fromY][fromX] = EmptySquare;
10355 board[toY][toX] = BlackKing;
10356 board[fromY][0] = EmptySquare;
10357 board[toY][2] = BlackRook;
10358 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10359 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10360 && toY < promoRank && promoChar
10362 /* black pawn promotion */
10363 board[toY][toX] = CharToPiece(ToLower(promoChar));
10364 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10365 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10366 board[fromY][fromX] = EmptySquare;
10367 } else if ((fromY < BOARD_HEIGHT>>1)
10368 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10370 && gameInfo.variant != VariantXiangqi
10371 && gameInfo.variant != VariantBerolina
10372 && (pawn == BlackPawn)
10373 && (board[toY][toX] == EmptySquare)) {
10374 board[fromY][fromX] = EmptySquare;
10375 board[toY][toX] = piece;
10376 if(toY == epRank - 128 - 1)
10377 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10379 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10380 } else if ((fromY == 3)
10382 && gameInfo.variant == VariantBerolina
10383 && (board[fromY][fromX] == BlackPawn)
10384 && (board[toY][toX] == EmptySquare)) {
10385 board[fromY][fromX] = EmptySquare;
10386 board[toY][toX] = BlackPawn;
10387 if(oldEP & EP_BEROLIN_A) {
10388 captured = board[fromY][fromX-1];
10389 board[fromY][fromX-1] = EmptySquare;
10390 }else{ captured = board[fromY][fromX+1];
10391 board[fromY][fromX+1] = EmptySquare;
10394 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10395 board[fromY][fromX] = EmptySquare;
10396 board[toY][toX] = piece;
10400 if (gameInfo.holdingsWidth != 0) {
10402 /* !!A lot more code needs to be written to support holdings */
10403 /* [HGM] OK, so I have written it. Holdings are stored in the */
10404 /* penultimate board files, so they are automaticlly stored */
10405 /* in the game history. */
10406 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10407 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10408 /* Delete from holdings, by decreasing count */
10409 /* and erasing image if necessary */
10410 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10411 if(p < (int) BlackPawn) { /* white drop */
10412 p -= (int)WhitePawn;
10413 p = PieceToNumber((ChessSquare)p);
10414 if(p >= gameInfo.holdingsSize) p = 0;
10415 if(--board[p][BOARD_WIDTH-2] <= 0)
10416 board[p][BOARD_WIDTH-1] = EmptySquare;
10417 if((int)board[p][BOARD_WIDTH-2] < 0)
10418 board[p][BOARD_WIDTH-2] = 0;
10419 } else { /* black drop */
10420 p -= (int)BlackPawn;
10421 p = PieceToNumber((ChessSquare)p);
10422 if(p >= gameInfo.holdingsSize) p = 0;
10423 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10424 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10425 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10426 board[BOARD_HEIGHT-1-p][1] = 0;
10429 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10430 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10431 /* [HGM] holdings: Add to holdings, if holdings exist */
10432 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10433 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10434 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10436 p = (int) captured;
10437 if (p >= (int) BlackPawn) {
10438 p -= (int)BlackPawn;
10439 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10440 /* Restore shogi-promoted piece to its original first */
10441 captured = (ChessSquare) (DEMOTED(captured));
10444 p = PieceToNumber((ChessSquare)p);
10445 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10446 board[p][BOARD_WIDTH-2]++;
10447 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10449 p -= (int)WhitePawn;
10450 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10451 captured = (ChessSquare) (DEMOTED(captured));
10454 p = PieceToNumber((ChessSquare)p);
10455 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10456 board[BOARD_HEIGHT-1-p][1]++;
10457 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10460 } else if (gameInfo.variant == VariantAtomic) {
10461 if (captured != EmptySquare) {
10463 for (y = toY-1; y <= toY+1; y++) {
10464 for (x = toX-1; x <= toX+1; x++) {
10465 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10466 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10467 board[y][x] = EmptySquare;
10471 board[toY][toX] = EmptySquare;
10475 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10476 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10478 if(promoChar == '+') {
10479 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10480 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10481 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10482 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10483 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10484 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10485 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10486 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10487 board[toY][toX] = newPiece;
10489 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10490 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10491 // [HGM] superchess: take promotion piece out of holdings
10492 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10493 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10494 if(!--board[k][BOARD_WIDTH-2])
10495 board[k][BOARD_WIDTH-1] = EmptySquare;
10497 if(!--board[BOARD_HEIGHT-1-k][1])
10498 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10503 /* Updates forwardMostMove */
10505 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10507 int x = toX, y = toY;
10508 char *s = parseList[forwardMostMove];
10509 ChessSquare p = boards[forwardMostMove][toY][toX];
10510 // forwardMostMove++; // [HGM] bare: moved downstream
10512 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10513 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10514 (void) CoordsToAlgebraic(boards[forwardMostMove],
10515 PosFlags(forwardMostMove),
10516 fromY, fromX, y, x, (killX < 0)*promoChar,
10518 if(kill2X >= 0 && kill2Y >= 0)
10519 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10520 if(killX >= 0 && killY >= 0)
10521 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10522 toX + AAA, toY + ONE - '0', promoChar);
10524 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10525 int timeLeft; static int lastLoadFlag=0; int king, piece;
10526 piece = boards[forwardMostMove][fromY][fromX];
10527 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10528 if(gameInfo.variant == VariantKnightmate)
10529 king += (int) WhiteUnicorn - (int) WhiteKing;
10530 if(forwardMostMove == 0) {
10531 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10532 fprintf(serverMoves, "%s;", UserName());
10533 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10534 fprintf(serverMoves, "%s;", second.tidy);
10535 fprintf(serverMoves, "%s;", first.tidy);
10536 if(gameMode == MachinePlaysWhite)
10537 fprintf(serverMoves, "%s;", UserName());
10538 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10539 fprintf(serverMoves, "%s;", second.tidy);
10540 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10541 lastLoadFlag = loadFlag;
10543 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10544 // print castling suffix
10545 if( toY == fromY && piece == king ) {
10547 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10549 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10552 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10553 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10554 boards[forwardMostMove][toY][toX] == EmptySquare
10555 && fromX != toX && fromY != toY)
10556 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10557 // promotion suffix
10558 if(promoChar != NULLCHAR) {
10559 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10560 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10561 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10562 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10565 char buf[MOVE_LEN*2], *p; int len;
10566 fprintf(serverMoves, "/%d/%d",
10567 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10568 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10569 else timeLeft = blackTimeRemaining/1000;
10570 fprintf(serverMoves, "/%d", timeLeft);
10571 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10572 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10573 if(p = strchr(buf, '=')) *p = NULLCHAR;
10574 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10575 fprintf(serverMoves, "/%s", buf);
10577 fflush(serverMoves);
10580 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10581 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10584 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10585 if (commentList[forwardMostMove+1] != NULL) {
10586 free(commentList[forwardMostMove+1]);
10587 commentList[forwardMostMove+1] = NULL;
10589 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10590 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10591 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10592 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10593 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10594 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10595 adjustedClock = FALSE;
10596 gameInfo.result = GameUnfinished;
10597 if (gameInfo.resultDetails != NULL) {
10598 free(gameInfo.resultDetails);
10599 gameInfo.resultDetails = NULL;
10601 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10602 moveList[forwardMostMove - 1]);
10603 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10609 if(!IS_SHOGI(gameInfo.variant))
10610 strcat(parseList[forwardMostMove - 1], "+");
10614 strcat(parseList[forwardMostMove - 1], "#");
10619 /* Updates currentMove if not pausing */
10621 ShowMove (int fromX, int fromY, int toX, int toY)
10623 int instant = (gameMode == PlayFromGameFile) ?
10624 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10625 if(appData.noGUI) return;
10626 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10628 if (forwardMostMove == currentMove + 1) {
10629 AnimateMove(boards[forwardMostMove - 1],
10630 fromX, fromY, toX, toY);
10633 currentMove = forwardMostMove;
10636 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10638 if (instant) return;
10640 DisplayMove(currentMove - 1);
10641 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10642 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10643 SetHighlights(fromX, fromY, toX, toY);
10646 DrawPosition(FALSE, boards[currentMove]);
10647 DisplayBothClocks();
10648 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10652 SendEgtPath (ChessProgramState *cps)
10653 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10654 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10656 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10659 char c, *q = name+1, *r, *s;
10661 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10662 while(*p && *p != ',') *q++ = *p++;
10663 *q++ = ':'; *q = 0;
10664 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10665 strcmp(name, ",nalimov:") == 0 ) {
10666 // take nalimov path from the menu-changeable option first, if it is defined
10667 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10668 SendToProgram(buf,cps); // send egtbpath command for nalimov
10670 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10671 (s = StrStr(appData.egtFormats, name)) != NULL) {
10672 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10673 s = r = StrStr(s, ":") + 1; // beginning of path info
10674 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10675 c = *r; *r = 0; // temporarily null-terminate path info
10676 *--q = 0; // strip of trailig ':' from name
10677 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10679 SendToProgram(buf,cps); // send egtbpath command for this format
10681 if(*p == ',') p++; // read away comma to position for next format name
10686 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10688 int width = 8, height = 8, holdings = 0; // most common sizes
10689 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10690 // correct the deviations default for each variant
10691 if( v == VariantXiangqi ) width = 9, height = 10;
10692 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10693 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10694 if( v == VariantCapablanca || v == VariantCapaRandom ||
10695 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10697 if( v == VariantCourier ) width = 12;
10698 if( v == VariantSuper ) holdings = 8;
10699 if( v == VariantGreat ) width = 10, holdings = 8;
10700 if( v == VariantSChess ) holdings = 7;
10701 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10702 if( v == VariantChuChess) width = 10, height = 10;
10703 if( v == VariantChu ) width = 12, height = 12;
10704 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10705 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10706 holdingsSize >= 0 && holdingsSize != holdings;
10709 char variantError[MSG_SIZ];
10712 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10713 { // returns error message (recognizable by upper-case) if engine does not support the variant
10714 char *p, *variant = VariantName(v);
10715 static char b[MSG_SIZ];
10716 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10717 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10718 holdingsSize, variant); // cook up sized variant name
10719 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10720 if(StrStr(list, b) == NULL) {
10721 // specific sized variant not known, check if general sizing allowed
10722 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10723 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10724 boardWidth, boardHeight, holdingsSize, engine);
10727 /* [HGM] here we really should compare with the maximum supported board size */
10729 } else snprintf(b, MSG_SIZ,"%s", variant);
10730 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10731 p = StrStr(list, b);
10732 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10734 // occurs not at all in list, or only as sub-string
10735 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10736 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10737 int l = strlen(variantError);
10739 while(p != list && p[-1] != ',') p--;
10740 q = strchr(p, ',');
10741 if(q) *q = NULLCHAR;
10742 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10751 InitChessProgram (ChessProgramState *cps, int setup)
10752 /* setup needed to setup FRC opening position */
10754 char buf[MSG_SIZ], *b;
10755 if (appData.noChessProgram) return;
10756 hintRequested = FALSE;
10757 bookRequested = FALSE;
10759 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10760 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10761 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10762 if(cps->memSize) { /* [HGM] memory */
10763 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10764 SendToProgram(buf, cps);
10766 SendEgtPath(cps); /* [HGM] EGT */
10767 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10768 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10769 SendToProgram(buf, cps);
10772 setboardSpoiledMachineBlack = FALSE;
10773 SendToProgram(cps->initString, cps);
10774 if (gameInfo.variant != VariantNormal &&
10775 gameInfo.variant != VariantLoadable
10776 /* [HGM] also send variant if board size non-standard */
10777 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10779 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10780 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10783 char c, *q = cps->variants, *p = strchr(q, ',');
10784 if(p) *p = NULLCHAR;
10785 v = StringToVariant(q);
10786 DisplayError(variantError, 0);
10787 if(v != VariantUnknown && cps == &first) {
10789 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10790 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10791 ASSIGN(appData.variant, q);
10792 Reset(TRUE, FALSE);
10798 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10799 SendToProgram(buf, cps);
10801 currentlyInitializedVariant = gameInfo.variant;
10803 /* [HGM] send opening position in FRC to first engine */
10805 SendToProgram("force\n", cps);
10807 /* engine is now in force mode! Set flag to wake it up after first move. */
10808 setboardSpoiledMachineBlack = 1;
10811 if (cps->sendICS) {
10812 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10813 SendToProgram(buf, cps);
10815 cps->maybeThinking = FALSE;
10816 cps->offeredDraw = 0;
10817 if (!appData.icsActive) {
10818 SendTimeControl(cps, movesPerSession, timeControl,
10819 timeIncrement, appData.searchDepth,
10822 if (appData.showThinking
10823 // [HGM] thinking: four options require thinking output to be sent
10824 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10826 SendToProgram("post\n", cps);
10828 SendToProgram("hard\n", cps);
10829 if (!appData.ponderNextMove) {
10830 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10831 it without being sure what state we are in first. "hard"
10832 is not a toggle, so that one is OK.
10834 SendToProgram("easy\n", cps);
10836 if (cps->usePing) {
10837 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10838 SendToProgram(buf, cps);
10840 cps->initDone = TRUE;
10841 ClearEngineOutputPane(cps == &second);
10846 ResendOptions (ChessProgramState *cps)
10847 { // send the stored value of the options
10850 Option *opt = cps->option;
10851 for(i=0; i<cps->nrOptions; i++, opt++) {
10852 switch(opt->type) {
10856 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10859 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10862 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10868 SendToProgram(buf, cps);
10873 StartChessProgram (ChessProgramState *cps)
10878 if (appData.noChessProgram) return;
10879 cps->initDone = FALSE;
10881 if (strcmp(cps->host, "localhost") == 0) {
10882 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10883 } else if (*appData.remoteShell == NULLCHAR) {
10884 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10886 if (*appData.remoteUser == NULLCHAR) {
10887 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10890 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10891 cps->host, appData.remoteUser, cps->program);
10893 err = StartChildProcess(buf, "", &cps->pr);
10897 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10898 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10899 if(cps != &first) return;
10900 appData.noChessProgram = TRUE;
10903 // DisplayFatalError(buf, err, 1);
10904 // cps->pr = NoProc;
10905 // cps->isr = NULL;
10909 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10910 if (cps->protocolVersion > 1) {
10911 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10912 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10913 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10914 cps->comboCnt = 0; // and values of combo boxes
10916 SendToProgram(buf, cps);
10917 if(cps->reload) ResendOptions(cps);
10919 SendToProgram("xboard\n", cps);
10924 TwoMachinesEventIfReady P((void))
10926 static int curMess = 0;
10927 if (first.lastPing != first.lastPong) {
10928 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10929 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10932 if (second.lastPing != second.lastPong) {
10933 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10934 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10937 DisplayMessage("", ""); curMess = 0;
10938 TwoMachinesEvent();
10942 MakeName (char *template)
10946 static char buf[MSG_SIZ];
10950 clock = time((time_t *)NULL);
10951 tm = localtime(&clock);
10953 while(*p++ = *template++) if(p[-1] == '%') {
10954 switch(*template++) {
10955 case 0: *p = 0; return buf;
10956 case 'Y': i = tm->tm_year+1900; break;
10957 case 'y': i = tm->tm_year-100; break;
10958 case 'M': i = tm->tm_mon+1; break;
10959 case 'd': i = tm->tm_mday; break;
10960 case 'h': i = tm->tm_hour; break;
10961 case 'm': i = tm->tm_min; break;
10962 case 's': i = tm->tm_sec; break;
10965 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10971 CountPlayers (char *p)
10974 while(p = strchr(p, '\n')) p++, n++; // count participants
10979 WriteTourneyFile (char *results, FILE *f)
10980 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10981 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10982 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10983 // create a file with tournament description
10984 fprintf(f, "-participants {%s}\n", appData.participants);
10985 fprintf(f, "-seedBase %d\n", appData.seedBase);
10986 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10987 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10988 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10989 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10990 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10991 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10992 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10993 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10994 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10995 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10996 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10997 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10998 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10999 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11000 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11001 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11002 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11003 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11004 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11005 fprintf(f, "-smpCores %d\n", appData.smpCores);
11007 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11009 fprintf(f, "-mps %d\n", appData.movesPerSession);
11010 fprintf(f, "-tc %s\n", appData.timeControl);
11011 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11013 fprintf(f, "-results \"%s\"\n", results);
11018 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11021 Substitute (char *participants, int expunge)
11023 int i, changed, changes=0, nPlayers=0;
11024 char *p, *q, *r, buf[MSG_SIZ];
11025 if(participants == NULL) return;
11026 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11027 r = p = participants; q = appData.participants;
11028 while(*p && *p == *q) {
11029 if(*p == '\n') r = p+1, nPlayers++;
11032 if(*p) { // difference
11033 while(*p && *p++ != '\n');
11034 while(*q && *q++ != '\n');
11035 changed = nPlayers;
11036 changes = 1 + (strcmp(p, q) != 0);
11038 if(changes == 1) { // a single engine mnemonic was changed
11039 q = r; while(*q) nPlayers += (*q++ == '\n');
11040 p = buf; while(*r && (*p = *r++) != '\n') p++;
11042 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11043 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11044 if(mnemonic[i]) { // The substitute is valid
11046 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11047 flock(fileno(f), LOCK_EX);
11048 ParseArgsFromFile(f);
11049 fseek(f, 0, SEEK_SET);
11050 FREE(appData.participants); appData.participants = participants;
11051 if(expunge) { // erase results of replaced engine
11052 int len = strlen(appData.results), w, b, dummy;
11053 for(i=0; i<len; i++) {
11054 Pairing(i, nPlayers, &w, &b, &dummy);
11055 if((w == changed || b == changed) && appData.results[i] == '*') {
11056 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11061 for(i=0; i<len; i++) {
11062 Pairing(i, nPlayers, &w, &b, &dummy);
11063 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11066 WriteTourneyFile(appData.results, f);
11067 fclose(f); // release lock
11070 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11072 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11073 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11074 free(participants);
11079 CheckPlayers (char *participants)
11082 char buf[MSG_SIZ], *p;
11083 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11084 while(p = strchr(participants, '\n')) {
11086 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11088 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11090 DisplayError(buf, 0);
11094 participants = p + 1;
11100 CreateTourney (char *name)
11103 if(matchMode && strcmp(name, appData.tourneyFile)) {
11104 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11106 if(name[0] == NULLCHAR) {
11107 if(appData.participants[0])
11108 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11111 f = fopen(name, "r");
11112 if(f) { // file exists
11113 ASSIGN(appData.tourneyFile, name);
11114 ParseArgsFromFile(f); // parse it
11116 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11117 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11118 DisplayError(_("Not enough participants"), 0);
11121 if(CheckPlayers(appData.participants)) return 0;
11122 ASSIGN(appData.tourneyFile, name);
11123 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11124 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11127 appData.noChessProgram = FALSE;
11128 appData.clockMode = TRUE;
11134 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11136 char buf[MSG_SIZ], *p, *q;
11137 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11138 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11139 skip = !all && group[0]; // if group requested, we start in skip mode
11140 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11141 p = names; q = buf; header = 0;
11142 while(*p && *p != '\n') *q++ = *p++;
11144 if(*p == '\n') p++;
11145 if(buf[0] == '#') {
11146 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11147 depth++; // we must be entering a new group
11148 if(all) continue; // suppress printing group headers when complete list requested
11150 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11152 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11153 if(engineList[i]) free(engineList[i]);
11154 engineList[i] = strdup(buf);
11155 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11156 if(engineMnemonic[i]) free(engineMnemonic[i]);
11157 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11159 sscanf(q + 8, "%s", buf + strlen(buf));
11162 engineMnemonic[i] = strdup(buf);
11165 engineList[i] = engineMnemonic[i] = NULL;
11169 // following implemented as macro to avoid type limitations
11170 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11173 SwapEngines (int n)
11174 { // swap settings for first engine and other engine (so far only some selected options)
11179 SWAP(chessProgram, p)
11181 SWAP(hasOwnBookUCI, h)
11182 SWAP(protocolVersion, h)
11184 SWAP(scoreIsAbsolute, h)
11189 SWAP(engOptions, p)
11190 SWAP(engInitString, p)
11191 SWAP(computerString, p)
11193 SWAP(fenOverride, p)
11195 SWAP(accumulateTC, h)
11202 GetEngineLine (char *s, int n)
11206 extern char *icsNames;
11207 if(!s || !*s) return 0;
11208 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11209 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11210 if(!mnemonic[i]) return 0;
11211 if(n == 11) return 1; // just testing if there was a match
11212 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11213 if(n == 1) SwapEngines(n);
11214 ParseArgsFromString(buf);
11215 if(n == 1) SwapEngines(n);
11216 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11217 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11218 ParseArgsFromString(buf);
11224 SetPlayer (int player, char *p)
11225 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11227 char buf[MSG_SIZ], *engineName;
11228 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11229 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11230 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11232 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11233 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11234 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11235 ParseArgsFromString(buf);
11236 } else { // no engine with this nickname is installed!
11237 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11238 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11239 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11241 DisplayError(buf, 0);
11248 char *recentEngines;
11251 RecentEngineEvent (int nr)
11254 // SwapEngines(1); // bump first to second
11255 // ReplaceEngine(&second, 1); // and load it there
11256 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11257 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11258 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11259 ReplaceEngine(&first, 0);
11260 FloatToFront(&appData.recentEngineList, command[n]);
11265 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11266 { // determine players from game number
11267 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11269 if(appData.tourneyType == 0) {
11270 roundsPerCycle = (nPlayers - 1) | 1;
11271 pairingsPerRound = nPlayers / 2;
11272 } else if(appData.tourneyType > 0) {
11273 roundsPerCycle = nPlayers - appData.tourneyType;
11274 pairingsPerRound = appData.tourneyType;
11276 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11277 gamesPerCycle = gamesPerRound * roundsPerCycle;
11278 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11279 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11280 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11281 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11282 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11283 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11285 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11286 if(appData.roundSync) *syncInterval = gamesPerRound;
11288 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11290 if(appData.tourneyType == 0) {
11291 if(curPairing == (nPlayers-1)/2 ) {
11292 *whitePlayer = curRound;
11293 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11295 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11296 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11297 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11298 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11300 } else if(appData.tourneyType > 1) {
11301 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11302 *whitePlayer = curRound + appData.tourneyType;
11303 } else if(appData.tourneyType > 0) {
11304 *whitePlayer = curPairing;
11305 *blackPlayer = curRound + appData.tourneyType;
11308 // take care of white/black alternation per round.
11309 // For cycles and games this is already taken care of by default, derived from matchGame!
11310 return curRound & 1;
11314 NextTourneyGame (int nr, int *swapColors)
11315 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11317 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11319 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11320 tf = fopen(appData.tourneyFile, "r");
11321 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11322 ParseArgsFromFile(tf); fclose(tf);
11323 InitTimeControls(); // TC might be altered from tourney file
11325 nPlayers = CountPlayers(appData.participants); // count participants
11326 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11327 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11330 p = q = appData.results;
11331 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11332 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11333 DisplayMessage(_("Waiting for other game(s)"),"");
11334 waitingForGame = TRUE;
11335 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11338 waitingForGame = FALSE;
11341 if(appData.tourneyType < 0) {
11342 if(nr>=0 && !pairingReceived) {
11344 if(pairing.pr == NoProc) {
11345 if(!appData.pairingEngine[0]) {
11346 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11349 StartChessProgram(&pairing); // starts the pairing engine
11351 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11352 SendToProgram(buf, &pairing);
11353 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11354 SendToProgram(buf, &pairing);
11355 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11357 pairingReceived = 0; // ... so we continue here
11359 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11360 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11361 matchGame = 1; roundNr = nr / syncInterval + 1;
11364 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11366 // redefine engines, engine dir, etc.
11367 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11368 if(first.pr == NoProc) {
11369 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11370 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11372 if(second.pr == NoProc) {
11374 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11375 SwapEngines(1); // and make that valid for second engine by swapping
11376 InitEngine(&second, 1);
11378 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11379 UpdateLogos(FALSE); // leave display to ModeHiglight()
11385 { // performs game initialization that does not invoke engines, and then tries to start the game
11386 int res, firstWhite, swapColors = 0;
11387 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11388 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
11390 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11391 if(strcmp(buf, currentDebugFile)) { // name has changed
11392 FILE *f = fopen(buf, "w");
11393 if(f) { // if opening the new file failed, just keep using the old one
11394 ASSIGN(currentDebugFile, buf);
11398 if(appData.serverFileName) {
11399 if(serverFP) fclose(serverFP);
11400 serverFP = fopen(appData.serverFileName, "w");
11401 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11402 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11406 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11407 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11408 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11409 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11410 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11411 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11412 Reset(FALSE, first.pr != NoProc);
11413 res = LoadGameOrPosition(matchGame); // setup game
11414 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11415 if(!res) return; // abort when bad game/pos file
11416 TwoMachinesEvent();
11420 UserAdjudicationEvent (int result)
11422 ChessMove gameResult = GameIsDrawn;
11425 gameResult = WhiteWins;
11427 else if( result < 0 ) {
11428 gameResult = BlackWins;
11431 if( gameMode == TwoMachinesPlay ) {
11432 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11437 // [HGM] save: calculate checksum of game to make games easily identifiable
11439 StringCheckSum (char *s)
11442 if(s==NULL) return 0;
11443 while(*s) i = i*259 + *s++;
11451 for(i=backwardMostMove; i<forwardMostMove; i++) {
11452 sum += pvInfoList[i].depth;
11453 sum += StringCheckSum(parseList[i]);
11454 sum += StringCheckSum(commentList[i]);
11457 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11458 return sum + StringCheckSum(commentList[i]);
11459 } // end of save patch
11462 GameEnds (ChessMove result, char *resultDetails, int whosays)
11464 GameMode nextGameMode;
11466 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11468 if(endingGame) return; /* [HGM] crash: forbid recursion */
11470 if(twoBoards) { // [HGM] dual: switch back to one board
11471 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11472 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11474 if (appData.debugMode) {
11475 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11476 result, resultDetails ? resultDetails : "(null)", whosays);
11479 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11481 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11483 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11484 /* If we are playing on ICS, the server decides when the
11485 game is over, but the engine can offer to draw, claim
11489 if (appData.zippyPlay && first.initDone) {
11490 if (result == GameIsDrawn) {
11491 /* In case draw still needs to be claimed */
11492 SendToICS(ics_prefix);
11493 SendToICS("draw\n");
11494 } else if (StrCaseStr(resultDetails, "resign")) {
11495 SendToICS(ics_prefix);
11496 SendToICS("resign\n");
11500 endingGame = 0; /* [HGM] crash */
11504 /* If we're loading the game from a file, stop */
11505 if (whosays == GE_FILE) {
11506 (void) StopLoadGameTimer();
11510 /* Cancel draw offers */
11511 first.offeredDraw = second.offeredDraw = 0;
11513 /* If this is an ICS game, only ICS can really say it's done;
11514 if not, anyone can. */
11515 isIcsGame = (gameMode == IcsPlayingWhite ||
11516 gameMode == IcsPlayingBlack ||
11517 gameMode == IcsObserving ||
11518 gameMode == IcsExamining);
11520 if (!isIcsGame || whosays == GE_ICS) {
11521 /* OK -- not an ICS game, or ICS said it was done */
11523 if (!isIcsGame && !appData.noChessProgram)
11524 SetUserThinkingEnables();
11526 /* [HGM] if a machine claims the game end we verify this claim */
11527 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11528 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11530 ChessMove trueResult = (ChessMove) -1;
11532 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11533 first.twoMachinesColor[0] :
11534 second.twoMachinesColor[0] ;
11536 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11537 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11538 /* [HGM] verify: engine mate claims accepted if they were flagged */
11539 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11541 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11542 /* [HGM] verify: engine mate claims accepted if they were flagged */
11543 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11545 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11546 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11549 // now verify win claims, but not in drop games, as we don't understand those yet
11550 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11551 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11552 (result == WhiteWins && claimer == 'w' ||
11553 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11554 if (appData.debugMode) {
11555 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11556 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11558 if(result != trueResult) {
11559 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11560 result = claimer == 'w' ? BlackWins : WhiteWins;
11561 resultDetails = buf;
11564 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11565 && (forwardMostMove <= backwardMostMove ||
11566 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11567 (claimer=='b')==(forwardMostMove&1))
11569 /* [HGM] verify: draws that were not flagged are false claims */
11570 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11571 result = claimer == 'w' ? BlackWins : WhiteWins;
11572 resultDetails = buf;
11574 /* (Claiming a loss is accepted no questions asked!) */
11575 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11576 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11577 result = GameUnfinished;
11578 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11580 /* [HGM] bare: don't allow bare King to win */
11581 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11582 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11583 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11584 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11585 && result != GameIsDrawn)
11586 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11587 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11588 int p = (signed char)boards[forwardMostMove][i][j] - color;
11589 if(p >= 0 && p <= (int)WhiteKing) k++;
11590 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11592 if (appData.debugMode) {
11593 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11594 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11596 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11597 result = GameIsDrawn;
11598 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11599 resultDetails = buf;
11605 if(serverMoves != NULL && !loadFlag) { char c = '=';
11606 if(result==WhiteWins) c = '+';
11607 if(result==BlackWins) c = '-';
11608 if(resultDetails != NULL)
11609 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11611 if (resultDetails != NULL) {
11612 gameInfo.result = result;
11613 gameInfo.resultDetails = StrSave(resultDetails);
11615 /* display last move only if game was not loaded from file */
11616 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11617 DisplayMove(currentMove - 1);
11619 if (forwardMostMove != 0) {
11620 if (gameMode != PlayFromGameFile && gameMode != EditGame
11621 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11623 if (*appData.saveGameFile != NULLCHAR) {
11624 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11625 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11627 SaveGameToFile(appData.saveGameFile, TRUE);
11628 } else if (appData.autoSaveGames) {
11629 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11631 if (*appData.savePositionFile != NULLCHAR) {
11632 SavePositionToFile(appData.savePositionFile);
11634 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11638 /* Tell program how game ended in case it is learning */
11639 /* [HGM] Moved this to after saving the PGN, just in case */
11640 /* engine died and we got here through time loss. In that */
11641 /* case we will get a fatal error writing the pipe, which */
11642 /* would otherwise lose us the PGN. */
11643 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11644 /* output during GameEnds should never be fatal anymore */
11645 if (gameMode == MachinePlaysWhite ||
11646 gameMode == MachinePlaysBlack ||
11647 gameMode == TwoMachinesPlay ||
11648 gameMode == IcsPlayingWhite ||
11649 gameMode == IcsPlayingBlack ||
11650 gameMode == BeginningOfGame) {
11652 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11654 if (first.pr != NoProc) {
11655 SendToProgram(buf, &first);
11657 if (second.pr != NoProc &&
11658 gameMode == TwoMachinesPlay) {
11659 SendToProgram(buf, &second);
11664 if (appData.icsActive) {
11665 if (appData.quietPlay &&
11666 (gameMode == IcsPlayingWhite ||
11667 gameMode == IcsPlayingBlack)) {
11668 SendToICS(ics_prefix);
11669 SendToICS("set shout 1\n");
11671 nextGameMode = IcsIdle;
11672 ics_user_moved = FALSE;
11673 /* clean up premove. It's ugly when the game has ended and the
11674 * premove highlights are still on the board.
11677 gotPremove = FALSE;
11678 ClearPremoveHighlights();
11679 DrawPosition(FALSE, boards[currentMove]);
11681 if (whosays == GE_ICS) {
11684 if (gameMode == IcsPlayingWhite)
11686 else if(gameMode == IcsPlayingBlack)
11687 PlayIcsLossSound();
11690 if (gameMode == IcsPlayingBlack)
11692 else if(gameMode == IcsPlayingWhite)
11693 PlayIcsLossSound();
11696 PlayIcsDrawSound();
11699 PlayIcsUnfinishedSound();
11702 if(appData.quitNext) { ExitEvent(0); return; }
11703 } else if (gameMode == EditGame ||
11704 gameMode == PlayFromGameFile ||
11705 gameMode == AnalyzeMode ||
11706 gameMode == AnalyzeFile) {
11707 nextGameMode = gameMode;
11709 nextGameMode = EndOfGame;
11714 nextGameMode = gameMode;
11717 if (appData.noChessProgram) {
11718 gameMode = nextGameMode;
11720 endingGame = 0; /* [HGM] crash */
11725 /* Put first chess program into idle state */
11726 if (first.pr != NoProc &&
11727 (gameMode == MachinePlaysWhite ||
11728 gameMode == MachinePlaysBlack ||
11729 gameMode == TwoMachinesPlay ||
11730 gameMode == IcsPlayingWhite ||
11731 gameMode == IcsPlayingBlack ||
11732 gameMode == BeginningOfGame)) {
11733 SendToProgram("force\n", &first);
11734 if (first.usePing) {
11736 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11737 SendToProgram(buf, &first);
11740 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11741 /* Kill off first chess program */
11742 if (first.isr != NULL)
11743 RemoveInputSource(first.isr);
11746 if (first.pr != NoProc) {
11748 DoSleep( appData.delayBeforeQuit );
11749 SendToProgram("quit\n", &first);
11750 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11751 first.reload = TRUE;
11755 if (second.reuse) {
11756 /* Put second chess program into idle state */
11757 if (second.pr != NoProc &&
11758 gameMode == TwoMachinesPlay) {
11759 SendToProgram("force\n", &second);
11760 if (second.usePing) {
11762 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11763 SendToProgram(buf, &second);
11766 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11767 /* Kill off second chess program */
11768 if (second.isr != NULL)
11769 RemoveInputSource(second.isr);
11772 if (second.pr != NoProc) {
11773 DoSleep( appData.delayBeforeQuit );
11774 SendToProgram("quit\n", &second);
11775 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11776 second.reload = TRUE;
11778 second.pr = NoProc;
11781 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11782 char resChar = '=';
11786 if (first.twoMachinesColor[0] == 'w') {
11789 second.matchWins++;
11794 if (first.twoMachinesColor[0] == 'b') {
11797 second.matchWins++;
11800 case GameUnfinished:
11806 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11807 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11808 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11809 ReserveGame(nextGame, resChar); // sets nextGame
11810 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11811 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11812 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11814 if (nextGame <= appData.matchGames && !abortMatch) {
11815 gameMode = nextGameMode;
11816 matchGame = nextGame; // this will be overruled in tourney mode!
11817 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11818 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11819 endingGame = 0; /* [HGM] crash */
11822 gameMode = nextGameMode;
11823 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11824 first.tidy, second.tidy,
11825 first.matchWins, second.matchWins,
11826 appData.matchGames - (first.matchWins + second.matchWins));
11827 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11828 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11829 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11830 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11831 first.twoMachinesColor = "black\n";
11832 second.twoMachinesColor = "white\n";
11834 first.twoMachinesColor = "white\n";
11835 second.twoMachinesColor = "black\n";
11839 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11840 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11842 gameMode = nextGameMode;
11844 endingGame = 0; /* [HGM] crash */
11845 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11846 if(matchMode == TRUE) { // match through command line: exit with or without popup
11848 ToNrEvent(forwardMostMove);
11849 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11851 } else DisplayFatalError(buf, 0, 0);
11852 } else { // match through menu; just stop, with or without popup
11853 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11856 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11857 } else DisplayNote(buf);
11859 if(ranking) free(ranking);
11863 /* Assumes program was just initialized (initString sent).
11864 Leaves program in force mode. */
11866 FeedMovesToProgram (ChessProgramState *cps, int upto)
11870 if (appData.debugMode)
11871 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11872 startedFromSetupPosition ? "position and " : "",
11873 backwardMostMove, upto, cps->which);
11874 if(currentlyInitializedVariant != gameInfo.variant) {
11876 // [HGM] variantswitch: make engine aware of new variant
11877 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11878 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11879 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11880 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11881 SendToProgram(buf, cps);
11882 currentlyInitializedVariant = gameInfo.variant;
11884 SendToProgram("force\n", cps);
11885 if (startedFromSetupPosition) {
11886 SendBoard(cps, backwardMostMove);
11887 if (appData.debugMode) {
11888 fprintf(debugFP, "feedMoves\n");
11891 for (i = backwardMostMove; i < upto; i++) {
11892 SendMoveToProgram(i, cps);
11898 ResurrectChessProgram ()
11900 /* The chess program may have exited.
11901 If so, restart it and feed it all the moves made so far. */
11902 static int doInit = 0;
11904 if (appData.noChessProgram) return 1;
11906 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11907 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11908 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11909 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11911 if (first.pr != NoProc) return 1;
11912 StartChessProgram(&first);
11914 InitChessProgram(&first, FALSE);
11915 FeedMovesToProgram(&first, currentMove);
11917 if (!first.sendTime) {
11918 /* can't tell gnuchess what its clock should read,
11919 so we bow to its notion. */
11921 timeRemaining[0][currentMove] = whiteTimeRemaining;
11922 timeRemaining[1][currentMove] = blackTimeRemaining;
11925 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11926 appData.icsEngineAnalyze) && first.analysisSupport) {
11927 SendToProgram("analyze\n", &first);
11928 first.analyzing = TRUE;
11934 * Button procedures
11937 Reset (int redraw, int init)
11941 if (appData.debugMode) {
11942 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11943 redraw, init, gameMode);
11945 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11946 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11947 CleanupTail(); // [HGM] vari: delete any stored variations
11948 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11949 pausing = pauseExamInvalid = FALSE;
11950 startedFromSetupPosition = blackPlaysFirst = FALSE;
11952 whiteFlag = blackFlag = FALSE;
11953 userOfferedDraw = FALSE;
11954 hintRequested = bookRequested = FALSE;
11955 first.maybeThinking = FALSE;
11956 second.maybeThinking = FALSE;
11957 first.bookSuspend = FALSE; // [HGM] book
11958 second.bookSuspend = FALSE;
11959 thinkOutput[0] = NULLCHAR;
11960 lastHint[0] = NULLCHAR;
11961 ClearGameInfo(&gameInfo);
11962 gameInfo.variant = StringToVariant(appData.variant);
11963 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11964 ics_user_moved = ics_clock_paused = FALSE;
11965 ics_getting_history = H_FALSE;
11967 white_holding[0] = black_holding[0] = NULLCHAR;
11968 ClearProgramStats();
11969 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11973 flipView = appData.flipView;
11974 ClearPremoveHighlights();
11975 gotPremove = FALSE;
11976 alarmSounded = FALSE;
11977 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
11979 GameEnds(EndOfFile, NULL, GE_PLAYER);
11980 if(appData.serverMovesName != NULL) {
11981 /* [HGM] prepare to make moves file for broadcasting */
11982 clock_t t = clock();
11983 if(serverMoves != NULL) fclose(serverMoves);
11984 serverMoves = fopen(appData.serverMovesName, "r");
11985 if(serverMoves != NULL) {
11986 fclose(serverMoves);
11987 /* delay 15 sec before overwriting, so all clients can see end */
11988 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11990 serverMoves = fopen(appData.serverMovesName, "w");
11994 gameMode = BeginningOfGame;
11996 if(appData.icsActive) gameInfo.variant = VariantNormal;
11997 currentMove = forwardMostMove = backwardMostMove = 0;
11998 MarkTargetSquares(1);
11999 InitPosition(redraw);
12000 for (i = 0; i < MAX_MOVES; i++) {
12001 if (commentList[i] != NULL) {
12002 free(commentList[i]);
12003 commentList[i] = NULL;
12007 timeRemaining[0][0] = whiteTimeRemaining;
12008 timeRemaining[1][0] = blackTimeRemaining;
12010 if (first.pr == NoProc) {
12011 StartChessProgram(&first);
12014 InitChessProgram(&first, startedFromSetupPosition);
12017 DisplayMessage("", "");
12018 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12019 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12020 ClearMap(); // [HGM] exclude: invalidate map
12024 AutoPlayGameLoop ()
12027 if (!AutoPlayOneMove())
12029 if (matchMode || appData.timeDelay == 0)
12031 if (appData.timeDelay < 0)
12033 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12041 ReloadGame(1); // next game
12047 int fromX, fromY, toX, toY;
12049 if (appData.debugMode) {
12050 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12053 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12056 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12057 pvInfoList[currentMove].depth = programStats.depth;
12058 pvInfoList[currentMove].score = programStats.score;
12059 pvInfoList[currentMove].time = 0;
12060 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12061 else { // append analysis of final position as comment
12063 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12064 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12066 programStats.depth = 0;
12069 if (currentMove >= forwardMostMove) {
12070 if(gameMode == AnalyzeFile) {
12071 if(appData.loadGameIndex == -1) {
12072 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12073 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12075 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12078 // gameMode = EndOfGame;
12079 // ModeHighlight();
12081 /* [AS] Clear current move marker at the end of a game */
12082 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12087 toX = moveList[currentMove][2] - AAA;
12088 toY = moveList[currentMove][3] - ONE;
12090 if (moveList[currentMove][1] == '@') {
12091 if (appData.highlightLastMove) {
12092 SetHighlights(-1, -1, toX, toY);
12095 int viaX = moveList[currentMove][5] - AAA;
12096 int viaY = moveList[currentMove][6] - ONE;
12097 fromX = moveList[currentMove][0] - AAA;
12098 fromY = moveList[currentMove][1] - ONE;
12100 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12102 if(moveList[currentMove][4] == ';') { // multi-leg
12103 ChessSquare piece = boards[currentMove][viaY][viaX];
12104 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12105 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12106 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12107 boards[currentMove][viaY][viaX] = piece;
12109 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12111 if (appData.highlightLastMove) {
12112 SetHighlights(fromX, fromY, toX, toY);
12115 DisplayMove(currentMove);
12116 SendMoveToProgram(currentMove++, &first);
12117 DisplayBothClocks();
12118 DrawPosition(FALSE, boards[currentMove]);
12119 // [HGM] PV info: always display, routine tests if empty
12120 DisplayComment(currentMove - 1, commentList[currentMove]);
12126 LoadGameOneMove (ChessMove readAhead)
12128 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12129 char promoChar = NULLCHAR;
12130 ChessMove moveType;
12131 char move[MSG_SIZ];
12134 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12135 gameMode != AnalyzeMode && gameMode != Training) {
12140 yyboardindex = forwardMostMove;
12141 if (readAhead != EndOfFile) {
12142 moveType = readAhead;
12144 if (gameFileFP == NULL)
12146 moveType = (ChessMove) Myylex();
12150 switch (moveType) {
12152 if (appData.debugMode)
12153 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12156 /* append the comment but don't display it */
12157 AppendComment(currentMove, p, FALSE);
12160 case WhiteCapturesEnPassant:
12161 case BlackCapturesEnPassant:
12162 case WhitePromotion:
12163 case BlackPromotion:
12164 case WhiteNonPromotion:
12165 case BlackNonPromotion:
12168 case WhiteKingSideCastle:
12169 case WhiteQueenSideCastle:
12170 case BlackKingSideCastle:
12171 case BlackQueenSideCastle:
12172 case WhiteKingSideCastleWild:
12173 case WhiteQueenSideCastleWild:
12174 case BlackKingSideCastleWild:
12175 case BlackQueenSideCastleWild:
12177 case WhiteHSideCastleFR:
12178 case WhiteASideCastleFR:
12179 case BlackHSideCastleFR:
12180 case BlackASideCastleFR:
12182 if (appData.debugMode)
12183 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12184 fromX = currentMoveString[0] - AAA;
12185 fromY = currentMoveString[1] - ONE;
12186 toX = currentMoveString[2] - AAA;
12187 toY = currentMoveString[3] - ONE;
12188 promoChar = currentMoveString[4];
12189 if(promoChar == ';') promoChar = currentMoveString[7];
12194 if (appData.debugMode)
12195 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12196 fromX = moveType == WhiteDrop ?
12197 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12198 (int) CharToPiece(ToLower(currentMoveString[0]));
12200 toX = currentMoveString[2] - AAA;
12201 toY = currentMoveString[3] - ONE;
12207 case GameUnfinished:
12208 if (appData.debugMode)
12209 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12210 p = strchr(yy_text, '{');
12211 if (p == NULL) p = strchr(yy_text, '(');
12214 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12216 q = strchr(p, *p == '{' ? '}' : ')');
12217 if (q != NULL) *q = NULLCHAR;
12220 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12221 GameEnds(moveType, p, GE_FILE);
12223 if (cmailMsgLoaded) {
12225 flipView = WhiteOnMove(currentMove);
12226 if (moveType == GameUnfinished) flipView = !flipView;
12227 if (appData.debugMode)
12228 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12233 if (appData.debugMode)
12234 fprintf(debugFP, "Parser hit end of file\n");
12235 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12241 if (WhiteOnMove(currentMove)) {
12242 GameEnds(BlackWins, "Black mates", GE_FILE);
12244 GameEnds(WhiteWins, "White mates", GE_FILE);
12248 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12254 case MoveNumberOne:
12255 if (lastLoadGameStart == GNUChessGame) {
12256 /* GNUChessGames have numbers, but they aren't move numbers */
12257 if (appData.debugMode)
12258 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12259 yy_text, (int) moveType);
12260 return LoadGameOneMove(EndOfFile); /* tail recursion */
12262 /* else fall thru */
12267 /* Reached start of next game in file */
12268 if (appData.debugMode)
12269 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12270 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12276 if (WhiteOnMove(currentMove)) {
12277 GameEnds(BlackWins, "Black mates", GE_FILE);
12279 GameEnds(WhiteWins, "White mates", GE_FILE);
12283 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12289 case PositionDiagram: /* should not happen; ignore */
12290 case ElapsedTime: /* ignore */
12291 case NAG: /* ignore */
12292 if (appData.debugMode)
12293 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12294 yy_text, (int) moveType);
12295 return LoadGameOneMove(EndOfFile); /* tail recursion */
12298 if (appData.testLegality) {
12299 if (appData.debugMode)
12300 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12301 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12302 (forwardMostMove / 2) + 1,
12303 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12304 DisplayError(move, 0);
12307 if (appData.debugMode)
12308 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12309 yy_text, currentMoveString);
12310 if(currentMoveString[1] == '@') {
12311 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12314 fromX = currentMoveString[0] - AAA;
12315 fromY = currentMoveString[1] - ONE;
12317 toX = currentMoveString[2] - AAA;
12318 toY = currentMoveString[3] - ONE;
12319 promoChar = currentMoveString[4];
12323 case AmbiguousMove:
12324 if (appData.debugMode)
12325 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12326 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12327 (forwardMostMove / 2) + 1,
12328 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12329 DisplayError(move, 0);
12334 case ImpossibleMove:
12335 if (appData.debugMode)
12336 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12337 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12338 (forwardMostMove / 2) + 1,
12339 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12340 DisplayError(move, 0);
12346 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12347 DrawPosition(FALSE, boards[currentMove]);
12348 DisplayBothClocks();
12349 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12350 DisplayComment(currentMove - 1, commentList[currentMove]);
12352 (void) StopLoadGameTimer();
12354 cmailOldMove = forwardMostMove;
12357 /* currentMoveString is set as a side-effect of yylex */
12359 thinkOutput[0] = NULLCHAR;
12360 MakeMove(fromX, fromY, toX, toY, promoChar);
12361 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12362 currentMove = forwardMostMove;
12367 /* Load the nth game from the given file */
12369 LoadGameFromFile (char *filename, int n, char *title, int useList)
12374 if (strcmp(filename, "-") == 0) {
12378 f = fopen(filename, "rb");
12380 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12381 DisplayError(buf, errno);
12385 if (fseek(f, 0, 0) == -1) {
12386 /* f is not seekable; probably a pipe */
12389 if (useList && n == 0) {
12390 int error = GameListBuild(f);
12392 DisplayError(_("Cannot build game list"), error);
12393 } else if (!ListEmpty(&gameList) &&
12394 ((ListGame *) gameList.tailPred)->number > 1) {
12395 GameListPopUp(f, title);
12402 return LoadGame(f, n, title, FALSE);
12407 MakeRegisteredMove ()
12409 int fromX, fromY, toX, toY;
12411 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12412 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12415 if (appData.debugMode)
12416 fprintf(debugFP, "Restoring %s for game %d\n",
12417 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12419 thinkOutput[0] = NULLCHAR;
12420 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12421 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12422 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12423 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12424 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12425 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12426 MakeMove(fromX, fromY, toX, toY, promoChar);
12427 ShowMove(fromX, fromY, toX, toY);
12429 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12436 if (WhiteOnMove(currentMove)) {
12437 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12439 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12444 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12451 if (WhiteOnMove(currentMove)) {
12452 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12454 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12459 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12470 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12472 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12476 if (gameNumber > nCmailGames) {
12477 DisplayError(_("No more games in this message"), 0);
12480 if (f == lastLoadGameFP) {
12481 int offset = gameNumber - lastLoadGameNumber;
12483 cmailMsg[0] = NULLCHAR;
12484 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12485 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12486 nCmailMovesRegistered--;
12488 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12489 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12490 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12493 if (! RegisterMove()) return FALSE;
12497 retVal = LoadGame(f, gameNumber, title, useList);
12499 /* Make move registered during previous look at this game, if any */
12500 MakeRegisteredMove();
12502 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12503 commentList[currentMove]
12504 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12505 DisplayComment(currentMove - 1, commentList[currentMove]);
12511 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12513 ReloadGame (int offset)
12515 int gameNumber = lastLoadGameNumber + offset;
12516 if (lastLoadGameFP == NULL) {
12517 DisplayError(_("No game has been loaded yet"), 0);
12520 if (gameNumber <= 0) {
12521 DisplayError(_("Can't back up any further"), 0);
12524 if (cmailMsgLoaded) {
12525 return CmailLoadGame(lastLoadGameFP, gameNumber,
12526 lastLoadGameTitle, lastLoadGameUseList);
12528 return LoadGame(lastLoadGameFP, gameNumber,
12529 lastLoadGameTitle, lastLoadGameUseList);
12533 int keys[EmptySquare+1];
12536 PositionMatches (Board b1, Board b2)
12539 switch(appData.searchMode) {
12540 case 1: return CompareWithRights(b1, b2);
12542 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12543 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12547 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12548 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12549 sum += keys[b1[r][f]] - keys[b2[r][f]];
12553 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12554 sum += keys[b1[r][f]] - keys[b2[r][f]];
12566 int pieceList[256], quickBoard[256];
12567 ChessSquare pieceType[256] = { EmptySquare };
12568 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12569 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12570 int soughtTotal, turn;
12571 Boolean epOK, flipSearch;
12574 unsigned char piece, to;
12577 #define DSIZE (250000)
12579 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12580 Move *moveDatabase = initialSpace;
12581 unsigned int movePtr, dataSize = DSIZE;
12584 MakePieceList (Board board, int *counts)
12586 int r, f, n=Q_PROMO, total=0;
12587 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12588 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12589 int sq = f + (r<<4);
12590 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12591 quickBoard[sq] = ++n;
12593 pieceType[n] = board[r][f];
12594 counts[board[r][f]]++;
12595 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12596 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12600 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12605 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12607 int sq = fromX + (fromY<<4);
12608 int piece = quickBoard[sq], rook;
12609 quickBoard[sq] = 0;
12610 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12611 if(piece == pieceList[1] && fromY == toY) {
12612 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12613 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12614 moveDatabase[movePtr++].piece = Q_WCASTL;
12615 quickBoard[sq] = piece;
12616 piece = quickBoard[from]; quickBoard[from] = 0;
12617 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12618 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12619 quickBoard[sq] = 0; // remove Rook
12620 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12621 moveDatabase[movePtr++].piece = Q_WCASTL;
12622 quickBoard[sq] = pieceList[1]; // put King
12624 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12627 if(piece == pieceList[2] && fromY == toY) {
12628 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12629 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12630 moveDatabase[movePtr++].piece = Q_BCASTL;
12631 quickBoard[sq] = piece;
12632 piece = quickBoard[from]; quickBoard[from] = 0;
12633 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12634 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12635 quickBoard[sq] = 0; // remove Rook
12636 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12637 moveDatabase[movePtr++].piece = Q_BCASTL;
12638 quickBoard[sq] = pieceList[2]; // put King
12640 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12643 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12644 quickBoard[(fromY<<4)+toX] = 0;
12645 moveDatabase[movePtr].piece = Q_EP;
12646 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12647 moveDatabase[movePtr].to = sq;
12649 if(promoPiece != pieceType[piece]) {
12650 moveDatabase[movePtr++].piece = Q_PROMO;
12651 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12653 moveDatabase[movePtr].piece = piece;
12654 quickBoard[sq] = piece;
12659 PackGame (Board board)
12661 Move *newSpace = NULL;
12662 moveDatabase[movePtr].piece = 0; // terminate previous game
12663 if(movePtr > dataSize) {
12664 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12665 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12666 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12669 Move *p = moveDatabase, *q = newSpace;
12670 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12671 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12672 moveDatabase = newSpace;
12673 } else { // calloc failed, we must be out of memory. Too bad...
12674 dataSize = 0; // prevent calloc events for all subsequent games
12675 return 0; // and signal this one isn't cached
12679 MakePieceList(board, counts);
12684 QuickCompare (Board board, int *minCounts, int *maxCounts)
12685 { // compare according to search mode
12687 switch(appData.searchMode)
12689 case 1: // exact position match
12690 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12691 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12692 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12695 case 2: // can have extra material on empty squares
12696 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12697 if(board[r][f] == EmptySquare) continue;
12698 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12701 case 3: // material with exact Pawn structure
12702 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12703 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12704 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12705 } // fall through to material comparison
12706 case 4: // exact material
12707 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12709 case 6: // material range with given imbalance
12710 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12711 // fall through to range comparison
12712 case 5: // material range
12713 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12719 QuickScan (Board board, Move *move)
12720 { // reconstruct game,and compare all positions in it
12721 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12723 int piece = move->piece;
12724 int to = move->to, from = pieceList[piece];
12725 if(found < 0) { // if already found just scan to game end for final piece count
12726 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12727 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12728 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12729 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12731 static int lastCounts[EmptySquare+1];
12733 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12734 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12735 } else stretch = 0;
12736 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12737 if(found >= 0 && !appData.minPieces) return found;
12739 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12740 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12741 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12742 piece = (++move)->piece;
12743 from = pieceList[piece];
12744 counts[pieceType[piece]]--;
12745 pieceType[piece] = (ChessSquare) move->to;
12746 counts[move->to]++;
12747 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12748 counts[pieceType[quickBoard[to]]]--;
12749 quickBoard[to] = 0; total--;
12752 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12753 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12754 from = pieceList[piece]; // so this must be King
12755 quickBoard[from] = 0;
12756 pieceList[piece] = to;
12757 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12758 quickBoard[from] = 0; // rook
12759 quickBoard[to] = piece;
12760 to = move->to; piece = move->piece;
12764 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12765 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12766 quickBoard[from] = 0;
12768 quickBoard[to] = piece;
12769 pieceList[piece] = to;
12779 flipSearch = FALSE;
12780 CopyBoard(soughtBoard, boards[currentMove]);
12781 soughtTotal = MakePieceList(soughtBoard, maxSought);
12782 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12783 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12784 CopyBoard(reverseBoard, boards[currentMove]);
12785 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12786 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12787 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12788 reverseBoard[r][f] = piece;
12790 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12791 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12792 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12793 || (boards[currentMove][CASTLING][2] == NoRights ||
12794 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12795 && (boards[currentMove][CASTLING][5] == NoRights ||
12796 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12799 CopyBoard(flipBoard, soughtBoard);
12800 CopyBoard(rotateBoard, reverseBoard);
12801 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12802 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12803 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12806 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12807 if(appData.searchMode >= 5) {
12808 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12809 MakePieceList(soughtBoard, minSought);
12810 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12812 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12813 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12816 GameInfo dummyInfo;
12817 static int creatingBook;
12820 GameContainsPosition (FILE *f, ListGame *lg)
12822 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12823 int fromX, fromY, toX, toY;
12825 static int initDone=FALSE;
12827 // weed out games based on numerical tag comparison
12828 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12829 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12830 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12831 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12833 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12836 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12837 else CopyBoard(boards[scratch], initialPosition); // default start position
12840 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12841 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12844 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12845 fseek(f, lg->offset, 0);
12848 yyboardindex = scratch;
12849 quickFlag = plyNr+1;
12854 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12860 if(plyNr) return -1; // after we have seen moves, this is for new game
12863 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12864 case ImpossibleMove:
12865 case WhiteWins: // game ends here with these four
12868 case GameUnfinished:
12872 if(appData.testLegality) return -1;
12873 case WhiteCapturesEnPassant:
12874 case BlackCapturesEnPassant:
12875 case WhitePromotion:
12876 case BlackPromotion:
12877 case WhiteNonPromotion:
12878 case BlackNonPromotion:
12881 case WhiteKingSideCastle:
12882 case WhiteQueenSideCastle:
12883 case BlackKingSideCastle:
12884 case BlackQueenSideCastle:
12885 case WhiteKingSideCastleWild:
12886 case WhiteQueenSideCastleWild:
12887 case BlackKingSideCastleWild:
12888 case BlackQueenSideCastleWild:
12889 case WhiteHSideCastleFR:
12890 case WhiteASideCastleFR:
12891 case BlackHSideCastleFR:
12892 case BlackASideCastleFR:
12893 fromX = currentMoveString[0] - AAA;
12894 fromY = currentMoveString[1] - ONE;
12895 toX = currentMoveString[2] - AAA;
12896 toY = currentMoveString[3] - ONE;
12897 promoChar = currentMoveString[4];
12901 fromX = next == WhiteDrop ?
12902 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12903 (int) CharToPiece(ToLower(currentMoveString[0]));
12905 toX = currentMoveString[2] - AAA;
12906 toY = currentMoveString[3] - ONE;
12910 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12912 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12913 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12914 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12915 if(appData.findMirror) {
12916 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12917 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12922 /* Load the nth game from open file f */
12924 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12928 int gn = gameNumber;
12929 ListGame *lg = NULL;
12930 int numPGNTags = 0;
12932 GameMode oldGameMode;
12933 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12934 char oldName[MSG_SIZ];
12936 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12938 if (appData.debugMode)
12939 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12941 if (gameMode == Training )
12942 SetTrainingModeOff();
12944 oldGameMode = gameMode;
12945 if (gameMode != BeginningOfGame) {
12946 Reset(FALSE, TRUE);
12948 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12951 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12952 fclose(lastLoadGameFP);
12956 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12959 fseek(f, lg->offset, 0);
12960 GameListHighlight(gameNumber);
12961 pos = lg->position;
12965 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12966 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12968 DisplayError(_("Game number out of range"), 0);
12973 if (fseek(f, 0, 0) == -1) {
12974 if (f == lastLoadGameFP ?
12975 gameNumber == lastLoadGameNumber + 1 :
12979 DisplayError(_("Can't seek on game file"), 0);
12984 lastLoadGameFP = f;
12985 lastLoadGameNumber = gameNumber;
12986 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12987 lastLoadGameUseList = useList;
12991 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12992 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12993 lg->gameInfo.black);
12995 } else if (*title != NULLCHAR) {
12996 if (gameNumber > 1) {
12997 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13000 DisplayTitle(title);
13004 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13005 gameMode = PlayFromGameFile;
13009 currentMove = forwardMostMove = backwardMostMove = 0;
13010 CopyBoard(boards[0], initialPosition);
13014 * Skip the first gn-1 games in the file.
13015 * Also skip over anything that precedes an identifiable
13016 * start of game marker, to avoid being confused by
13017 * garbage at the start of the file. Currently
13018 * recognized start of game markers are the move number "1",
13019 * the pattern "gnuchess .* game", the pattern
13020 * "^[#;%] [^ ]* game file", and a PGN tag block.
13021 * A game that starts with one of the latter two patterns
13022 * will also have a move number 1, possibly
13023 * following a position diagram.
13024 * 5-4-02: Let's try being more lenient and allowing a game to
13025 * start with an unnumbered move. Does that break anything?
13027 cm = lastLoadGameStart = EndOfFile;
13029 yyboardindex = forwardMostMove;
13030 cm = (ChessMove) Myylex();
13033 if (cmailMsgLoaded) {
13034 nCmailGames = CMAIL_MAX_GAMES - gn;
13037 DisplayError(_("Game not found in file"), 0);
13044 lastLoadGameStart = cm;
13047 case MoveNumberOne:
13048 switch (lastLoadGameStart) {
13053 case MoveNumberOne:
13055 gn--; /* count this game */
13056 lastLoadGameStart = cm;
13065 switch (lastLoadGameStart) {
13068 case MoveNumberOne:
13070 gn--; /* count this game */
13071 lastLoadGameStart = cm;
13074 lastLoadGameStart = cm; /* game counted already */
13082 yyboardindex = forwardMostMove;
13083 cm = (ChessMove) Myylex();
13084 } while (cm == PGNTag || cm == Comment);
13091 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13092 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13093 != CMAIL_OLD_RESULT) {
13095 cmailResult[ CMAIL_MAX_GAMES
13096 - gn - 1] = CMAIL_OLD_RESULT;
13103 /* Only a NormalMove can be at the start of a game
13104 * without a position diagram. */
13105 if (lastLoadGameStart == EndOfFile ) {
13107 lastLoadGameStart = MoveNumberOne;
13116 if (appData.debugMode)
13117 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13119 if (cm == XBoardGame) {
13120 /* Skip any header junk before position diagram and/or move 1 */
13122 yyboardindex = forwardMostMove;
13123 cm = (ChessMove) Myylex();
13125 if (cm == EndOfFile ||
13126 cm == GNUChessGame || cm == XBoardGame) {
13127 /* Empty game; pretend end-of-file and handle later */
13132 if (cm == MoveNumberOne || cm == PositionDiagram ||
13133 cm == PGNTag || cm == Comment)
13136 } else if (cm == GNUChessGame) {
13137 if (gameInfo.event != NULL) {
13138 free(gameInfo.event);
13140 gameInfo.event = StrSave(yy_text);
13143 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13144 while (cm == PGNTag) {
13145 if (appData.debugMode)
13146 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13147 err = ParsePGNTag(yy_text, &gameInfo);
13148 if (!err) numPGNTags++;
13150 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13151 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13152 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13153 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13154 InitPosition(TRUE);
13155 oldVariant = gameInfo.variant;
13156 if (appData.debugMode)
13157 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13161 if (gameInfo.fen != NULL) {
13162 Board initial_position;
13163 startedFromSetupPosition = TRUE;
13164 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13166 DisplayError(_("Bad FEN position in file"), 0);
13169 CopyBoard(boards[0], initial_position);
13170 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13171 CopyBoard(initialPosition, initial_position);
13172 if (blackPlaysFirst) {
13173 currentMove = forwardMostMove = backwardMostMove = 1;
13174 CopyBoard(boards[1], initial_position);
13175 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13176 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13177 timeRemaining[0][1] = whiteTimeRemaining;
13178 timeRemaining[1][1] = blackTimeRemaining;
13179 if (commentList[0] != NULL) {
13180 commentList[1] = commentList[0];
13181 commentList[0] = NULL;
13184 currentMove = forwardMostMove = backwardMostMove = 0;
13186 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13188 initialRulePlies = FENrulePlies;
13189 for( i=0; i< nrCastlingRights; i++ )
13190 initialRights[i] = initial_position[CASTLING][i];
13192 yyboardindex = forwardMostMove;
13193 free(gameInfo.fen);
13194 gameInfo.fen = NULL;
13197 yyboardindex = forwardMostMove;
13198 cm = (ChessMove) Myylex();
13200 /* Handle comments interspersed among the tags */
13201 while (cm == Comment) {
13203 if (appData.debugMode)
13204 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13206 AppendComment(currentMove, p, FALSE);
13207 yyboardindex = forwardMostMove;
13208 cm = (ChessMove) Myylex();
13212 /* don't rely on existence of Event tag since if game was
13213 * pasted from clipboard the Event tag may not exist
13215 if (numPGNTags > 0){
13217 if (gameInfo.variant == VariantNormal) {
13218 VariantClass v = StringToVariant(gameInfo.event);
13219 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13220 if(v < VariantShogi) gameInfo.variant = v;
13223 if( appData.autoDisplayTags ) {
13224 tags = PGNTags(&gameInfo);
13225 TagsPopUp(tags, CmailMsg());
13230 /* Make something up, but don't display it now */
13235 if (cm == PositionDiagram) {
13238 Board initial_position;
13240 if (appData.debugMode)
13241 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13243 if (!startedFromSetupPosition) {
13245 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13246 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13257 initial_position[i][j++] = CharToPiece(*p);
13260 while (*p == ' ' || *p == '\t' ||
13261 *p == '\n' || *p == '\r') p++;
13263 if (strncmp(p, "black", strlen("black"))==0)
13264 blackPlaysFirst = TRUE;
13266 blackPlaysFirst = FALSE;
13267 startedFromSetupPosition = TRUE;
13269 CopyBoard(boards[0], initial_position);
13270 if (blackPlaysFirst) {
13271 currentMove = forwardMostMove = backwardMostMove = 1;
13272 CopyBoard(boards[1], initial_position);
13273 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13274 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13275 timeRemaining[0][1] = whiteTimeRemaining;
13276 timeRemaining[1][1] = blackTimeRemaining;
13277 if (commentList[0] != NULL) {
13278 commentList[1] = commentList[0];
13279 commentList[0] = NULL;
13282 currentMove = forwardMostMove = backwardMostMove = 0;
13285 yyboardindex = forwardMostMove;
13286 cm = (ChessMove) Myylex();
13289 if(!creatingBook) {
13290 if (first.pr == NoProc) {
13291 StartChessProgram(&first);
13293 InitChessProgram(&first, FALSE);
13294 if(gameInfo.variant == VariantUnknown && *oldName) {
13295 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13296 gameInfo.variant = v;
13298 SendToProgram("force\n", &first);
13299 if (startedFromSetupPosition) {
13300 SendBoard(&first, forwardMostMove);
13301 if (appData.debugMode) {
13302 fprintf(debugFP, "Load Game\n");
13304 DisplayBothClocks();
13308 /* [HGM] server: flag to write setup moves in broadcast file as one */
13309 loadFlag = appData.suppressLoadMoves;
13311 while (cm == Comment) {
13313 if (appData.debugMode)
13314 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13316 AppendComment(currentMove, p, FALSE);
13317 yyboardindex = forwardMostMove;
13318 cm = (ChessMove) Myylex();
13321 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13322 cm == WhiteWins || cm == BlackWins ||
13323 cm == GameIsDrawn || cm == GameUnfinished) {
13324 DisplayMessage("", _("No moves in game"));
13325 if (cmailMsgLoaded) {
13326 if (appData.debugMode)
13327 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13331 DrawPosition(FALSE, boards[currentMove]);
13332 DisplayBothClocks();
13333 gameMode = EditGame;
13340 // [HGM] PV info: routine tests if comment empty
13341 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13342 DisplayComment(currentMove - 1, commentList[currentMove]);
13344 if (!matchMode && appData.timeDelay != 0)
13345 DrawPosition(FALSE, boards[currentMove]);
13347 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13348 programStats.ok_to_send = 1;
13351 /* if the first token after the PGN tags is a move
13352 * and not move number 1, retrieve it from the parser
13354 if (cm != MoveNumberOne)
13355 LoadGameOneMove(cm);
13357 /* load the remaining moves from the file */
13358 while (LoadGameOneMove(EndOfFile)) {
13359 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13360 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13363 /* rewind to the start of the game */
13364 currentMove = backwardMostMove;
13366 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13368 if (oldGameMode == AnalyzeFile) {
13369 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13370 AnalyzeFileEvent();
13372 if (oldGameMode == AnalyzeMode) {
13373 AnalyzeFileEvent();
13376 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13377 long int w, b; // [HGM] adjourn: restore saved clock times
13378 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13379 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13380 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13381 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13385 if(creatingBook) return TRUE;
13386 if (!matchMode && pos > 0) {
13387 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13389 if (matchMode || appData.timeDelay == 0) {
13391 } else if (appData.timeDelay > 0) {
13392 AutoPlayGameLoop();
13395 if (appData.debugMode)
13396 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13398 loadFlag = 0; /* [HGM] true game starts */
13402 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13404 ReloadPosition (int offset)
13406 int positionNumber = lastLoadPositionNumber + offset;
13407 if (lastLoadPositionFP == NULL) {
13408 DisplayError(_("No position has been loaded yet"), 0);
13411 if (positionNumber <= 0) {
13412 DisplayError(_("Can't back up any further"), 0);
13415 return LoadPosition(lastLoadPositionFP, positionNumber,
13416 lastLoadPositionTitle);
13419 /* Load the nth position from the given file */
13421 LoadPositionFromFile (char *filename, int n, char *title)
13426 if (strcmp(filename, "-") == 0) {
13427 return LoadPosition(stdin, n, "stdin");
13429 f = fopen(filename, "rb");
13431 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13432 DisplayError(buf, errno);
13435 return LoadPosition(f, n, title);
13440 /* Load the nth position from the given open file, and close it */
13442 LoadPosition (FILE *f, int positionNumber, char *title)
13444 char *p, line[MSG_SIZ];
13445 Board initial_position;
13446 int i, j, fenMode, pn;
13448 if (gameMode == Training )
13449 SetTrainingModeOff();
13451 if (gameMode != BeginningOfGame) {
13452 Reset(FALSE, TRUE);
13454 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13455 fclose(lastLoadPositionFP);
13457 if (positionNumber == 0) positionNumber = 1;
13458 lastLoadPositionFP = f;
13459 lastLoadPositionNumber = positionNumber;
13460 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13461 if (first.pr == NoProc && !appData.noChessProgram) {
13462 StartChessProgram(&first);
13463 InitChessProgram(&first, FALSE);
13465 pn = positionNumber;
13466 if (positionNumber < 0) {
13467 /* Negative position number means to seek to that byte offset */
13468 if (fseek(f, -positionNumber, 0) == -1) {
13469 DisplayError(_("Can't seek on position file"), 0);
13474 if (fseek(f, 0, 0) == -1) {
13475 if (f == lastLoadPositionFP ?
13476 positionNumber == lastLoadPositionNumber + 1 :
13477 positionNumber == 1) {
13480 DisplayError(_("Can't seek on position file"), 0);
13485 /* See if this file is FEN or old-style xboard */
13486 if (fgets(line, MSG_SIZ, f) == NULL) {
13487 DisplayError(_("Position not found in file"), 0);
13490 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13491 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13494 if (fenMode || line[0] == '#') pn--;
13496 /* skip positions before number pn */
13497 if (fgets(line, MSG_SIZ, f) == NULL) {
13499 DisplayError(_("Position not found in file"), 0);
13502 if (fenMode || line[0] == '#') pn--;
13508 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13509 DisplayError(_("Bad FEN position in file"), 0);
13512 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13513 sscanf(p+3, "%s", bestMove);
13514 } else *bestMove = NULLCHAR;
13516 (void) fgets(line, MSG_SIZ, f);
13517 (void) fgets(line, MSG_SIZ, f);
13519 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13520 (void) fgets(line, MSG_SIZ, f);
13521 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13524 initial_position[i][j++] = CharToPiece(*p);
13528 blackPlaysFirst = FALSE;
13530 (void) fgets(line, MSG_SIZ, f);
13531 if (strncmp(line, "black", strlen("black"))==0)
13532 blackPlaysFirst = TRUE;
13535 startedFromSetupPosition = TRUE;
13537 CopyBoard(boards[0], initial_position);
13538 if (blackPlaysFirst) {
13539 currentMove = forwardMostMove = backwardMostMove = 1;
13540 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13541 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13542 CopyBoard(boards[1], initial_position);
13543 DisplayMessage("", _("Black to play"));
13545 currentMove = forwardMostMove = backwardMostMove = 0;
13546 DisplayMessage("", _("White to play"));
13548 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13549 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13550 SendToProgram("force\n", &first);
13551 SendBoard(&first, forwardMostMove);
13553 if (appData.debugMode) {
13555 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13556 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13557 fprintf(debugFP, "Load Position\n");
13560 if (positionNumber > 1) {
13561 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13562 DisplayTitle(line);
13564 DisplayTitle(title);
13566 gameMode = EditGame;
13569 timeRemaining[0][1] = whiteTimeRemaining;
13570 timeRemaining[1][1] = blackTimeRemaining;
13571 DrawPosition(FALSE, boards[currentMove]);
13578 CopyPlayerNameIntoFileName (char **dest, char *src)
13580 while (*src != NULLCHAR && *src != ',') {
13585 *(*dest)++ = *src++;
13591 DefaultFileName (char *ext)
13593 static char def[MSG_SIZ];
13596 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13598 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13600 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13602 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13609 /* Save the current game to the given file */
13611 SaveGameToFile (char *filename, int append)
13615 int result, i, t,tot=0;
13617 if (strcmp(filename, "-") == 0) {
13618 return SaveGame(stdout, 0, NULL);
13620 for(i=0; i<10; i++) { // upto 10 tries
13621 f = fopen(filename, append ? "a" : "w");
13622 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13623 if(f || errno != 13) break;
13624 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13628 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13629 DisplayError(buf, errno);
13632 safeStrCpy(buf, lastMsg, MSG_SIZ);
13633 DisplayMessage(_("Waiting for access to save file"), "");
13634 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13635 DisplayMessage(_("Saving game"), "");
13636 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13637 result = SaveGame(f, 0, NULL);
13638 DisplayMessage(buf, "");
13645 SavePart (char *str)
13647 static char buf[MSG_SIZ];
13650 p = strchr(str, ' ');
13651 if (p == NULL) return str;
13652 strncpy(buf, str, p - str);
13653 buf[p - str] = NULLCHAR;
13657 #define PGN_MAX_LINE 75
13659 #define PGN_SIDE_WHITE 0
13660 #define PGN_SIDE_BLACK 1
13663 FindFirstMoveOutOfBook (int side)
13667 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13668 int index = backwardMostMove;
13669 int has_book_hit = 0;
13671 if( (index % 2) != side ) {
13675 while( index < forwardMostMove ) {
13676 /* Check to see if engine is in book */
13677 int depth = pvInfoList[index].depth;
13678 int score = pvInfoList[index].score;
13684 else if( score == 0 && depth == 63 ) {
13685 in_book = 1; /* Zappa */
13687 else if( score == 2 && depth == 99 ) {
13688 in_book = 1; /* Abrok */
13691 has_book_hit += in_book;
13707 GetOutOfBookInfo (char * buf)
13711 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13713 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13714 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13718 if( oob[0] >= 0 || oob[1] >= 0 ) {
13719 for( i=0; i<2; i++ ) {
13723 if( i > 0 && oob[0] >= 0 ) {
13724 strcat( buf, " " );
13727 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13728 sprintf( buf+strlen(buf), "%s%.2f",
13729 pvInfoList[idx].score >= 0 ? "+" : "",
13730 pvInfoList[idx].score / 100.0 );
13736 /* Save game in PGN style */
13738 SaveGamePGN2 (FILE *f)
13740 int i, offset, linelen, newblock;
13743 int movelen, numlen, blank;
13744 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13746 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13748 PrintPGNTags(f, &gameInfo);
13750 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13752 if (backwardMostMove > 0 || startedFromSetupPosition) {
13753 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13754 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13755 fprintf(f, "\n{--------------\n");
13756 PrintPosition(f, backwardMostMove);
13757 fprintf(f, "--------------}\n");
13761 /* [AS] Out of book annotation */
13762 if( appData.saveOutOfBookInfo ) {
13765 GetOutOfBookInfo( buf );
13767 if( buf[0] != '\0' ) {
13768 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13775 i = backwardMostMove;
13779 while (i < forwardMostMove) {
13780 /* Print comments preceding this move */
13781 if (commentList[i] != NULL) {
13782 if (linelen > 0) fprintf(f, "\n");
13783 fprintf(f, "%s", commentList[i]);
13788 /* Format move number */
13790 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13793 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13795 numtext[0] = NULLCHAR;
13797 numlen = strlen(numtext);
13800 /* Print move number */
13801 blank = linelen > 0 && numlen > 0;
13802 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13811 fprintf(f, "%s", numtext);
13815 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13816 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13819 blank = linelen > 0 && movelen > 0;
13820 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13829 fprintf(f, "%s", move_buffer);
13830 linelen += movelen;
13832 /* [AS] Add PV info if present */
13833 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13834 /* [HGM] add time */
13835 char buf[MSG_SIZ]; int seconds;
13837 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13843 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13846 seconds = (seconds + 4)/10; // round to full seconds
13848 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13850 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13853 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13854 pvInfoList[i].score >= 0 ? "+" : "",
13855 pvInfoList[i].score / 100.0,
13856 pvInfoList[i].depth,
13859 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13861 /* Print score/depth */
13862 blank = linelen > 0 && movelen > 0;
13863 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13872 fprintf(f, "%s", move_buffer);
13873 linelen += movelen;
13879 /* Start a new line */
13880 if (linelen > 0) fprintf(f, "\n");
13882 /* Print comments after last move */
13883 if (commentList[i] != NULL) {
13884 fprintf(f, "%s\n", commentList[i]);
13888 if (gameInfo.resultDetails != NULL &&
13889 gameInfo.resultDetails[0] != NULLCHAR) {
13890 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13891 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13892 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13893 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13894 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13896 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13900 /* Save game in PGN style and close the file */
13902 SaveGamePGN (FILE *f)
13906 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13910 /* Save game in old style and close the file */
13912 SaveGameOldStyle (FILE *f)
13917 tm = time((time_t *) NULL);
13919 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13922 if (backwardMostMove > 0 || startedFromSetupPosition) {
13923 fprintf(f, "\n[--------------\n");
13924 PrintPosition(f, backwardMostMove);
13925 fprintf(f, "--------------]\n");
13930 i = backwardMostMove;
13931 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13933 while (i < forwardMostMove) {
13934 if (commentList[i] != NULL) {
13935 fprintf(f, "[%s]\n", commentList[i]);
13938 if ((i % 2) == 1) {
13939 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13942 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13944 if (commentList[i] != NULL) {
13948 if (i >= forwardMostMove) {
13952 fprintf(f, "%s\n", parseList[i]);
13957 if (commentList[i] != NULL) {
13958 fprintf(f, "[%s]\n", commentList[i]);
13961 /* This isn't really the old style, but it's close enough */
13962 if (gameInfo.resultDetails != NULL &&
13963 gameInfo.resultDetails[0] != NULLCHAR) {
13964 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13965 gameInfo.resultDetails);
13967 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13974 /* Save the current game to open file f and close the file */
13976 SaveGame (FILE *f, int dummy, char *dummy2)
13978 if (gameMode == EditPosition) EditPositionDone(TRUE);
13979 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13980 if (appData.oldSaveStyle)
13981 return SaveGameOldStyle(f);
13983 return SaveGamePGN(f);
13986 /* Save the current position to the given file */
13988 SavePositionToFile (char *filename)
13993 if (strcmp(filename, "-") == 0) {
13994 return SavePosition(stdout, 0, NULL);
13996 f = fopen(filename, "a");
13998 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13999 DisplayError(buf, errno);
14002 safeStrCpy(buf, lastMsg, MSG_SIZ);
14003 DisplayMessage(_("Waiting for access to save file"), "");
14004 flock(fileno(f), LOCK_EX); // [HGM] lock
14005 DisplayMessage(_("Saving position"), "");
14006 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14007 SavePosition(f, 0, NULL);
14008 DisplayMessage(buf, "");
14014 /* Save the current position to the given open file and close the file */
14016 SavePosition (FILE *f, int dummy, char *dummy2)
14021 if (gameMode == EditPosition) EditPositionDone(TRUE);
14022 if (appData.oldSaveStyle) {
14023 tm = time((time_t *) NULL);
14025 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14027 fprintf(f, "[--------------\n");
14028 PrintPosition(f, currentMove);
14029 fprintf(f, "--------------]\n");
14031 fen = PositionToFEN(currentMove, NULL, 1);
14032 fprintf(f, "%s\n", fen);
14040 ReloadCmailMsgEvent (int unregister)
14043 static char *inFilename = NULL;
14044 static char *outFilename;
14046 struct stat inbuf, outbuf;
14049 /* Any registered moves are unregistered if unregister is set, */
14050 /* i.e. invoked by the signal handler */
14052 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14053 cmailMoveRegistered[i] = FALSE;
14054 if (cmailCommentList[i] != NULL) {
14055 free(cmailCommentList[i]);
14056 cmailCommentList[i] = NULL;
14059 nCmailMovesRegistered = 0;
14062 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14063 cmailResult[i] = CMAIL_NOT_RESULT;
14067 if (inFilename == NULL) {
14068 /* Because the filenames are static they only get malloced once */
14069 /* and they never get freed */
14070 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14071 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14073 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14074 sprintf(outFilename, "%s.out", appData.cmailGameName);
14077 status = stat(outFilename, &outbuf);
14079 cmailMailedMove = FALSE;
14081 status = stat(inFilename, &inbuf);
14082 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14085 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14086 counts the games, notes how each one terminated, etc.
14088 It would be nice to remove this kludge and instead gather all
14089 the information while building the game list. (And to keep it
14090 in the game list nodes instead of having a bunch of fixed-size
14091 parallel arrays.) Note this will require getting each game's
14092 termination from the PGN tags, as the game list builder does
14093 not process the game moves. --mann
14095 cmailMsgLoaded = TRUE;
14096 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14098 /* Load first game in the file or popup game menu */
14099 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14101 #endif /* !WIN32 */
14109 char string[MSG_SIZ];
14111 if ( cmailMailedMove
14112 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14113 return TRUE; /* Allow free viewing */
14116 /* Unregister move to ensure that we don't leave RegisterMove */
14117 /* with the move registered when the conditions for registering no */
14119 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14120 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14121 nCmailMovesRegistered --;
14123 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14125 free(cmailCommentList[lastLoadGameNumber - 1]);
14126 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14130 if (cmailOldMove == -1) {
14131 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14135 if (currentMove > cmailOldMove + 1) {
14136 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14140 if (currentMove < cmailOldMove) {
14141 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14145 if (forwardMostMove > currentMove) {
14146 /* Silently truncate extra moves */
14150 if ( (currentMove == cmailOldMove + 1)
14151 || ( (currentMove == cmailOldMove)
14152 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14153 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14154 if (gameInfo.result != GameUnfinished) {
14155 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14158 if (commentList[currentMove] != NULL) {
14159 cmailCommentList[lastLoadGameNumber - 1]
14160 = StrSave(commentList[currentMove]);
14162 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14164 if (appData.debugMode)
14165 fprintf(debugFP, "Saving %s for game %d\n",
14166 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14168 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14170 f = fopen(string, "w");
14171 if (appData.oldSaveStyle) {
14172 SaveGameOldStyle(f); /* also closes the file */
14174 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14175 f = fopen(string, "w");
14176 SavePosition(f, 0, NULL); /* also closes the file */
14178 fprintf(f, "{--------------\n");
14179 PrintPosition(f, currentMove);
14180 fprintf(f, "--------------}\n\n");
14182 SaveGame(f, 0, NULL); /* also closes the file*/
14185 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14186 nCmailMovesRegistered ++;
14187 } else if (nCmailGames == 1) {
14188 DisplayError(_("You have not made a move yet"), 0);
14199 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14200 FILE *commandOutput;
14201 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14202 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14208 if (! cmailMsgLoaded) {
14209 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14213 if (nCmailGames == nCmailResults) {
14214 DisplayError(_("No unfinished games"), 0);
14218 #if CMAIL_PROHIBIT_REMAIL
14219 if (cmailMailedMove) {
14220 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);
14221 DisplayError(msg, 0);
14226 if (! (cmailMailedMove || RegisterMove())) return;
14228 if ( cmailMailedMove
14229 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14230 snprintf(string, MSG_SIZ, partCommandString,
14231 appData.debugMode ? " -v" : "", appData.cmailGameName);
14232 commandOutput = popen(string, "r");
14234 if (commandOutput == NULL) {
14235 DisplayError(_("Failed to invoke cmail"), 0);
14237 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14238 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14240 if (nBuffers > 1) {
14241 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14242 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14243 nBytes = MSG_SIZ - 1;
14245 (void) memcpy(msg, buffer, nBytes);
14247 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14249 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14250 cmailMailedMove = TRUE; /* Prevent >1 moves */
14253 for (i = 0; i < nCmailGames; i ++) {
14254 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14259 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14261 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14263 appData.cmailGameName,
14265 LoadGameFromFile(buffer, 1, buffer, FALSE);
14266 cmailMsgLoaded = FALSE;
14270 DisplayInformation(msg);
14271 pclose(commandOutput);
14274 if ((*cmailMsg) != '\0') {
14275 DisplayInformation(cmailMsg);
14280 #endif /* !WIN32 */
14289 int prependComma = 0;
14291 char string[MSG_SIZ]; /* Space for game-list */
14294 if (!cmailMsgLoaded) return "";
14296 if (cmailMailedMove) {
14297 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14299 /* Create a list of games left */
14300 snprintf(string, MSG_SIZ, "[");
14301 for (i = 0; i < nCmailGames; i ++) {
14302 if (! ( cmailMoveRegistered[i]
14303 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14304 if (prependComma) {
14305 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14307 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14311 strcat(string, number);
14314 strcat(string, "]");
14316 if (nCmailMovesRegistered + nCmailResults == 0) {
14317 switch (nCmailGames) {
14319 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14323 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14327 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14332 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14334 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14339 if (nCmailResults == nCmailGames) {
14340 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14342 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14347 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14359 if (gameMode == Training)
14360 SetTrainingModeOff();
14363 cmailMsgLoaded = FALSE;
14364 if (appData.icsActive) {
14365 SendToICS(ics_prefix);
14366 SendToICS("refresh\n");
14371 ExitEvent (int status)
14375 /* Give up on clean exit */
14379 /* Keep trying for clean exit */
14383 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14384 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14386 if (telnetISR != NULL) {
14387 RemoveInputSource(telnetISR);
14389 if (icsPR != NoProc) {
14390 DestroyChildProcess(icsPR, TRUE);
14393 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14394 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14396 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14397 /* make sure this other one finishes before killing it! */
14398 if(endingGame) { int count = 0;
14399 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14400 while(endingGame && count++ < 10) DoSleep(1);
14401 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14404 /* Kill off chess programs */
14405 if (first.pr != NoProc) {
14408 DoSleep( appData.delayBeforeQuit );
14409 SendToProgram("quit\n", &first);
14410 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14412 if (second.pr != NoProc) {
14413 DoSleep( appData.delayBeforeQuit );
14414 SendToProgram("quit\n", &second);
14415 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14417 if (first.isr != NULL) {
14418 RemoveInputSource(first.isr);
14420 if (second.isr != NULL) {
14421 RemoveInputSource(second.isr);
14424 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14425 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14427 ShutDownFrontEnd();
14432 PauseEngine (ChessProgramState *cps)
14434 SendToProgram("pause\n", cps);
14439 UnPauseEngine (ChessProgramState *cps)
14441 SendToProgram("resume\n", cps);
14448 if (appData.debugMode)
14449 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14453 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14455 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14456 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14457 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14459 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14460 HandleMachineMove(stashedInputMove, stalledEngine);
14461 stalledEngine = NULL;
14464 if (gameMode == MachinePlaysWhite ||
14465 gameMode == TwoMachinesPlay ||
14466 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14467 if(first.pause) UnPauseEngine(&first);
14468 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14469 if(second.pause) UnPauseEngine(&second);
14470 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14473 DisplayBothClocks();
14475 if (gameMode == PlayFromGameFile) {
14476 if (appData.timeDelay >= 0)
14477 AutoPlayGameLoop();
14478 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14479 Reset(FALSE, TRUE);
14480 SendToICS(ics_prefix);
14481 SendToICS("refresh\n");
14482 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14483 ForwardInner(forwardMostMove);
14485 pauseExamInvalid = FALSE;
14487 switch (gameMode) {
14491 pauseExamForwardMostMove = forwardMostMove;
14492 pauseExamInvalid = FALSE;
14495 case IcsPlayingWhite:
14496 case IcsPlayingBlack:
14500 case PlayFromGameFile:
14501 (void) StopLoadGameTimer();
14505 case BeginningOfGame:
14506 if (appData.icsActive) return;
14507 /* else fall through */
14508 case MachinePlaysWhite:
14509 case MachinePlaysBlack:
14510 case TwoMachinesPlay:
14511 if (forwardMostMove == 0)
14512 return; /* don't pause if no one has moved */
14513 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14514 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14515 if(onMove->pause) { // thinking engine can be paused
14516 PauseEngine(onMove); // do it
14517 if(onMove->other->pause) // pondering opponent can always be paused immediately
14518 PauseEngine(onMove->other);
14520 SendToProgram("easy\n", onMove->other);
14522 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14523 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14525 PauseEngine(&first);
14527 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14528 } else { // human on move, pause pondering by either method
14530 PauseEngine(&first);
14531 else if(appData.ponderNextMove)
14532 SendToProgram("easy\n", &first);
14535 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14545 EditCommentEvent ()
14547 char title[MSG_SIZ];
14549 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14550 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14552 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14553 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14554 parseList[currentMove - 1]);
14557 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14564 char *tags = PGNTags(&gameInfo);
14566 EditTagsPopUp(tags, NULL);
14573 if(second.analyzing) {
14574 SendToProgram("exit\n", &second);
14575 second.analyzing = FALSE;
14577 if (second.pr == NoProc) StartChessProgram(&second);
14578 InitChessProgram(&second, FALSE);
14579 FeedMovesToProgram(&second, currentMove);
14581 SendToProgram("analyze\n", &second);
14582 second.analyzing = TRUE;
14586 /* Toggle ShowThinking */
14588 ToggleShowThinking()
14590 appData.showThinking = !appData.showThinking;
14591 ShowThinkingEvent();
14595 AnalyzeModeEvent ()
14599 if (!first.analysisSupport) {
14600 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14601 DisplayError(buf, 0);
14604 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14605 if (appData.icsActive) {
14606 if (gameMode != IcsObserving) {
14607 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14608 DisplayError(buf, 0);
14610 if (appData.icsEngineAnalyze) {
14611 if (appData.debugMode)
14612 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14618 /* if enable, user wants to disable icsEngineAnalyze */
14619 if (appData.icsEngineAnalyze) {
14624 appData.icsEngineAnalyze = TRUE;
14625 if (appData.debugMode)
14626 fprintf(debugFP, "ICS engine analyze starting... \n");
14629 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14630 if (appData.noChessProgram || gameMode == AnalyzeMode)
14633 if (gameMode != AnalyzeFile) {
14634 if (!appData.icsEngineAnalyze) {
14636 if (gameMode != EditGame) return 0;
14638 if (!appData.showThinking) ToggleShowThinking();
14639 ResurrectChessProgram();
14640 SendToProgram("analyze\n", &first);
14641 first.analyzing = TRUE;
14642 /*first.maybeThinking = TRUE;*/
14643 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14644 EngineOutputPopUp();
14646 if (!appData.icsEngineAnalyze) {
14647 gameMode = AnalyzeMode;
14648 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14654 StartAnalysisClock();
14655 GetTimeMark(&lastNodeCountTime);
14661 AnalyzeFileEvent ()
14663 if (appData.noChessProgram || gameMode == AnalyzeFile)
14666 if (!first.analysisSupport) {
14668 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14669 DisplayError(buf, 0);
14673 if (gameMode != AnalyzeMode) {
14674 keepInfo = 1; // mere annotating should not alter PGN tags
14677 if (gameMode != EditGame) return;
14678 if (!appData.showThinking) ToggleShowThinking();
14679 ResurrectChessProgram();
14680 SendToProgram("analyze\n", &first);
14681 first.analyzing = TRUE;
14682 /*first.maybeThinking = TRUE;*/
14683 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14684 EngineOutputPopUp();
14686 gameMode = AnalyzeFile;
14690 StartAnalysisClock();
14691 GetTimeMark(&lastNodeCountTime);
14693 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14694 AnalysisPeriodicEvent(1);
14698 MachineWhiteEvent ()
14701 char *bookHit = NULL;
14703 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14707 if (gameMode == PlayFromGameFile ||
14708 gameMode == TwoMachinesPlay ||
14709 gameMode == Training ||
14710 gameMode == AnalyzeMode ||
14711 gameMode == EndOfGame)
14714 if (gameMode == EditPosition)
14715 EditPositionDone(TRUE);
14717 if (!WhiteOnMove(currentMove)) {
14718 DisplayError(_("It is not White's turn"), 0);
14722 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14725 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14726 gameMode == AnalyzeFile)
14729 ResurrectChessProgram(); /* in case it isn't running */
14730 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14731 gameMode = MachinePlaysWhite;
14734 gameMode = MachinePlaysWhite;
14738 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14740 if (first.sendName) {
14741 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14742 SendToProgram(buf, &first);
14744 if (first.sendTime) {
14745 if (first.useColors) {
14746 SendToProgram("black\n", &first); /*gnu kludge*/
14748 SendTimeRemaining(&first, TRUE);
14750 if (first.useColors) {
14751 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14753 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14754 SetMachineThinkingEnables();
14755 first.maybeThinking = TRUE;
14759 if (appData.autoFlipView && !flipView) {
14760 flipView = !flipView;
14761 DrawPosition(FALSE, NULL);
14762 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14765 if(bookHit) { // [HGM] book: simulate book reply
14766 static char bookMove[MSG_SIZ]; // a bit generous?
14768 programStats.nodes = programStats.depth = programStats.time =
14769 programStats.score = programStats.got_only_move = 0;
14770 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14772 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14773 strcat(bookMove, bookHit);
14774 HandleMachineMove(bookMove, &first);
14779 MachineBlackEvent ()
14782 char *bookHit = NULL;
14784 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14788 if (gameMode == PlayFromGameFile ||
14789 gameMode == TwoMachinesPlay ||
14790 gameMode == Training ||
14791 gameMode == AnalyzeMode ||
14792 gameMode == EndOfGame)
14795 if (gameMode == EditPosition)
14796 EditPositionDone(TRUE);
14798 if (WhiteOnMove(currentMove)) {
14799 DisplayError(_("It is not Black's turn"), 0);
14803 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14806 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14807 gameMode == AnalyzeFile)
14810 ResurrectChessProgram(); /* in case it isn't running */
14811 gameMode = MachinePlaysBlack;
14815 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14817 if (first.sendName) {
14818 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14819 SendToProgram(buf, &first);
14821 if (first.sendTime) {
14822 if (first.useColors) {
14823 SendToProgram("white\n", &first); /*gnu kludge*/
14825 SendTimeRemaining(&first, FALSE);
14827 if (first.useColors) {
14828 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14830 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14831 SetMachineThinkingEnables();
14832 first.maybeThinking = TRUE;
14835 if (appData.autoFlipView && flipView) {
14836 flipView = !flipView;
14837 DrawPosition(FALSE, NULL);
14838 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14840 if(bookHit) { // [HGM] book: simulate book reply
14841 static char bookMove[MSG_SIZ]; // a bit generous?
14843 programStats.nodes = programStats.depth = programStats.time =
14844 programStats.score = programStats.got_only_move = 0;
14845 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14847 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14848 strcat(bookMove, bookHit);
14849 HandleMachineMove(bookMove, &first);
14855 DisplayTwoMachinesTitle ()
14858 if (appData.matchGames > 0) {
14859 if(appData.tourneyFile[0]) {
14860 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14861 gameInfo.white, _("vs."), gameInfo.black,
14862 nextGame+1, appData.matchGames+1,
14863 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14865 if (first.twoMachinesColor[0] == 'w') {
14866 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14867 gameInfo.white, _("vs."), gameInfo.black,
14868 first.matchWins, second.matchWins,
14869 matchGame - 1 - (first.matchWins + second.matchWins));
14871 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14872 gameInfo.white, _("vs."), gameInfo.black,
14873 second.matchWins, first.matchWins,
14874 matchGame - 1 - (first.matchWins + second.matchWins));
14877 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14883 SettingsMenuIfReady ()
14885 if (second.lastPing != second.lastPong) {
14886 DisplayMessage("", _("Waiting for second chess program"));
14887 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14891 DisplayMessage("", "");
14892 SettingsPopUp(&second);
14896 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14899 if (cps->pr == NoProc) {
14900 StartChessProgram(cps);
14901 if (cps->protocolVersion == 1) {
14903 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14905 /* kludge: allow timeout for initial "feature" command */
14906 if(retry != TwoMachinesEventIfReady) FreezeUI();
14907 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14908 DisplayMessage("", buf);
14909 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14917 TwoMachinesEvent P((void))
14921 ChessProgramState *onmove;
14922 char *bookHit = NULL;
14923 static int stalling = 0;
14927 if (appData.noChessProgram) return;
14929 switch (gameMode) {
14930 case TwoMachinesPlay:
14932 case MachinePlaysWhite:
14933 case MachinePlaysBlack:
14934 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14935 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14939 case BeginningOfGame:
14940 case PlayFromGameFile:
14943 if (gameMode != EditGame) return;
14946 EditPositionDone(TRUE);
14957 // forwardMostMove = currentMove;
14958 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14959 startingEngine = TRUE;
14961 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14963 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14964 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14965 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14968 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14970 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14971 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14972 startingEngine = matchMode = FALSE;
14973 DisplayError("second engine does not play this", 0);
14974 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14975 EditGameEvent(); // switch back to EditGame mode
14980 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14981 SendToProgram("force\n", &second);
14983 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14986 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14987 if(appData.matchPause>10000 || appData.matchPause<10)
14988 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14989 wait = SubtractTimeMarks(&now, &pauseStart);
14990 if(wait < appData.matchPause) {
14991 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14994 // we are now committed to starting the game
14996 DisplayMessage("", "");
14997 if (startedFromSetupPosition) {
14998 SendBoard(&second, backwardMostMove);
14999 if (appData.debugMode) {
15000 fprintf(debugFP, "Two Machines\n");
15003 for (i = backwardMostMove; i < forwardMostMove; i++) {
15004 SendMoveToProgram(i, &second);
15007 gameMode = TwoMachinesPlay;
15008 pausing = startingEngine = FALSE;
15009 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15011 DisplayTwoMachinesTitle();
15013 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15018 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15019 SendToProgram(first.computerString, &first);
15020 if (first.sendName) {
15021 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15022 SendToProgram(buf, &first);
15024 SendToProgram(second.computerString, &second);
15025 if (second.sendName) {
15026 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15027 SendToProgram(buf, &second);
15031 if (!first.sendTime || !second.sendTime) {
15032 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15033 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15035 if (onmove->sendTime) {
15036 if (onmove->useColors) {
15037 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15039 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15041 if (onmove->useColors) {
15042 SendToProgram(onmove->twoMachinesColor, onmove);
15044 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15045 // SendToProgram("go\n", onmove);
15046 onmove->maybeThinking = TRUE;
15047 SetMachineThinkingEnables();
15051 if(bookHit) { // [HGM] book: simulate book reply
15052 static char bookMove[MSG_SIZ]; // a bit generous?
15054 programStats.nodes = programStats.depth = programStats.time =
15055 programStats.score = programStats.got_only_move = 0;
15056 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15058 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15059 strcat(bookMove, bookHit);
15060 savedMessage = bookMove; // args for deferred call
15061 savedState = onmove;
15062 ScheduleDelayedEvent(DeferredBookMove, 1);
15069 if (gameMode == Training) {
15070 SetTrainingModeOff();
15071 gameMode = PlayFromGameFile;
15072 DisplayMessage("", _("Training mode off"));
15074 gameMode = Training;
15075 animateTraining = appData.animate;
15077 /* make sure we are not already at the end of the game */
15078 if (currentMove < forwardMostMove) {
15079 SetTrainingModeOn();
15080 DisplayMessage("", _("Training mode on"));
15082 gameMode = PlayFromGameFile;
15083 DisplayError(_("Already at end of game"), 0);
15092 if (!appData.icsActive) return;
15093 switch (gameMode) {
15094 case IcsPlayingWhite:
15095 case IcsPlayingBlack:
15098 case BeginningOfGame:
15106 EditPositionDone(TRUE);
15119 gameMode = IcsIdle;
15129 switch (gameMode) {
15131 SetTrainingModeOff();
15133 case MachinePlaysWhite:
15134 case MachinePlaysBlack:
15135 case BeginningOfGame:
15136 SendToProgram("force\n", &first);
15137 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15138 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15140 abortEngineThink = TRUE;
15141 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15142 SendToProgram(buf, &first);
15143 DisplayMessage("Aborting engine think", "");
15147 SetUserThinkingEnables();
15149 case PlayFromGameFile:
15150 (void) StopLoadGameTimer();
15151 if (gameFileFP != NULL) {
15156 EditPositionDone(TRUE);
15161 SendToProgram("force\n", &first);
15163 case TwoMachinesPlay:
15164 GameEnds(EndOfFile, NULL, GE_PLAYER);
15165 ResurrectChessProgram();
15166 SetUserThinkingEnables();
15169 ResurrectChessProgram();
15171 case IcsPlayingBlack:
15172 case IcsPlayingWhite:
15173 DisplayError(_("Warning: You are still playing a game"), 0);
15176 DisplayError(_("Warning: You are still observing a game"), 0);
15179 DisplayError(_("Warning: You are still examining a game"), 0);
15190 first.offeredDraw = second.offeredDraw = 0;
15192 if (gameMode == PlayFromGameFile) {
15193 whiteTimeRemaining = timeRemaining[0][currentMove];
15194 blackTimeRemaining = timeRemaining[1][currentMove];
15198 if (gameMode == MachinePlaysWhite ||
15199 gameMode == MachinePlaysBlack ||
15200 gameMode == TwoMachinesPlay ||
15201 gameMode == EndOfGame) {
15202 i = forwardMostMove;
15203 while (i > currentMove) {
15204 SendToProgram("undo\n", &first);
15207 if(!adjustedClock) {
15208 whiteTimeRemaining = timeRemaining[0][currentMove];
15209 blackTimeRemaining = timeRemaining[1][currentMove];
15210 DisplayBothClocks();
15212 if (whiteFlag || blackFlag) {
15213 whiteFlag = blackFlag = 0;
15218 gameMode = EditGame;
15225 EditPositionEvent ()
15227 if (gameMode == EditPosition) {
15233 if (gameMode != EditGame) return;
15235 gameMode = EditPosition;
15238 if (currentMove > 0)
15239 CopyBoard(boards[0], boards[currentMove]);
15241 blackPlaysFirst = !WhiteOnMove(currentMove);
15243 currentMove = forwardMostMove = backwardMostMove = 0;
15244 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15246 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15252 /* [DM] icsEngineAnalyze - possible call from other functions */
15253 if (appData.icsEngineAnalyze) {
15254 appData.icsEngineAnalyze = FALSE;
15256 DisplayMessage("",_("Close ICS engine analyze..."));
15258 if (first.analysisSupport && first.analyzing) {
15259 SendToBoth("exit\n");
15260 first.analyzing = second.analyzing = FALSE;
15262 thinkOutput[0] = NULLCHAR;
15266 EditPositionDone (Boolean fakeRights)
15268 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15270 startedFromSetupPosition = TRUE;
15271 InitChessProgram(&first, FALSE);
15272 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15273 boards[0][EP_STATUS] = EP_NONE;
15274 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15275 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15276 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15277 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15278 } else boards[0][CASTLING][2] = NoRights;
15279 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15280 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15281 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15282 } else boards[0][CASTLING][5] = NoRights;
15283 if(gameInfo.variant == VariantSChess) {
15285 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15286 boards[0][VIRGIN][i] = 0;
15287 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15288 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15292 SendToProgram("force\n", &first);
15293 if (blackPlaysFirst) {
15294 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15295 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15296 currentMove = forwardMostMove = backwardMostMove = 1;
15297 CopyBoard(boards[1], boards[0]);
15299 currentMove = forwardMostMove = backwardMostMove = 0;
15301 SendBoard(&first, forwardMostMove);
15302 if (appData.debugMode) {
15303 fprintf(debugFP, "EditPosDone\n");
15306 DisplayMessage("", "");
15307 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15308 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15309 gameMode = EditGame;
15311 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15312 ClearHighlights(); /* [AS] */
15315 /* Pause for `ms' milliseconds */
15316 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15318 TimeDelay (long ms)
15325 } while (SubtractTimeMarks(&m2, &m1) < ms);
15328 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15330 SendMultiLineToICS (char *buf)
15332 char temp[MSG_SIZ+1], *p;
15339 strncpy(temp, buf, len);
15344 if (*p == '\n' || *p == '\r')
15349 strcat(temp, "\n");
15351 SendToPlayer(temp, strlen(temp));
15355 SetWhiteToPlayEvent ()
15357 if (gameMode == EditPosition) {
15358 blackPlaysFirst = FALSE;
15359 DisplayBothClocks(); /* works because currentMove is 0 */
15360 } else if (gameMode == IcsExamining) {
15361 SendToICS(ics_prefix);
15362 SendToICS("tomove white\n");
15367 SetBlackToPlayEvent ()
15369 if (gameMode == EditPosition) {
15370 blackPlaysFirst = TRUE;
15371 currentMove = 1; /* kludge */
15372 DisplayBothClocks();
15374 } else if (gameMode == IcsExamining) {
15375 SendToICS(ics_prefix);
15376 SendToICS("tomove black\n");
15381 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15384 ChessSquare piece = boards[0][y][x];
15385 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15386 static int lastVariant;
15388 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15390 switch (selection) {
15392 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15393 MarkTargetSquares(1);
15394 CopyBoard(currentBoard, boards[0]);
15395 CopyBoard(menuBoard, initialPosition);
15396 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15397 SendToICS(ics_prefix);
15398 SendToICS("bsetup clear\n");
15399 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15400 SendToICS(ics_prefix);
15401 SendToICS("clearboard\n");
15404 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15405 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15406 for (y = 0; y < BOARD_HEIGHT; y++) {
15407 if (gameMode == IcsExamining) {
15408 if (boards[currentMove][y][x] != EmptySquare) {
15409 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15413 } else if(boards[0][y][x] != DarkSquare) {
15414 if(boards[0][y][x] != p) nonEmpty++;
15415 boards[0][y][x] = p;
15419 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15421 for(r = 0; r < BOARD_HEIGHT; r++) {
15422 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15423 ChessSquare p = menuBoard[r][x];
15424 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15427 DisplayMessage("Clicking clock again restores position", "");
15428 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15429 if(!nonEmpty) { // asked to clear an empty board
15430 CopyBoard(boards[0], menuBoard);
15432 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15433 CopyBoard(boards[0], initialPosition);
15435 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15436 && !CompareBoards(nullBoard, erasedBoard)) {
15437 CopyBoard(boards[0], erasedBoard);
15439 CopyBoard(erasedBoard, currentBoard);
15443 if (gameMode == EditPosition) {
15444 DrawPosition(FALSE, boards[0]);
15449 SetWhiteToPlayEvent();
15453 SetBlackToPlayEvent();
15457 if (gameMode == IcsExamining) {
15458 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15459 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15462 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15463 if(x == BOARD_LEFT-2) {
15464 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15465 boards[0][y][1] = 0;
15467 if(x == BOARD_RGHT+1) {
15468 if(y >= gameInfo.holdingsSize) break;
15469 boards[0][y][BOARD_WIDTH-2] = 0;
15472 boards[0][y][x] = EmptySquare;
15473 DrawPosition(FALSE, boards[0]);
15478 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15479 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15480 selection = (ChessSquare) (PROMOTED(piece));
15481 } else if(piece == EmptySquare) selection = WhiteSilver;
15482 else selection = (ChessSquare)((int)piece - 1);
15486 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15487 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15488 selection = (ChessSquare) (DEMOTED(piece));
15489 } else if(piece == EmptySquare) selection = BlackSilver;
15490 else selection = (ChessSquare)((int)piece + 1);
15495 if(gameInfo.variant == VariantShatranj ||
15496 gameInfo.variant == VariantXiangqi ||
15497 gameInfo.variant == VariantCourier ||
15498 gameInfo.variant == VariantASEAN ||
15499 gameInfo.variant == VariantMakruk )
15500 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15505 if(gameInfo.variant == VariantXiangqi)
15506 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15507 if(gameInfo.variant == VariantKnightmate)
15508 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15511 if (gameMode == IcsExamining) {
15512 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15513 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15514 PieceToChar(selection), AAA + x, ONE + y);
15517 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15519 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15520 n = PieceToNumber(selection - BlackPawn);
15521 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15522 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15523 boards[0][BOARD_HEIGHT-1-n][1]++;
15525 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15526 n = PieceToNumber(selection);
15527 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15528 boards[0][n][BOARD_WIDTH-1] = selection;
15529 boards[0][n][BOARD_WIDTH-2]++;
15532 boards[0][y][x] = selection;
15533 DrawPosition(TRUE, boards[0]);
15535 fromX = fromY = -1;
15543 DropMenuEvent (ChessSquare selection, int x, int y)
15545 ChessMove moveType;
15547 switch (gameMode) {
15548 case IcsPlayingWhite:
15549 case MachinePlaysBlack:
15550 if (!WhiteOnMove(currentMove)) {
15551 DisplayMoveError(_("It is Black's turn"));
15554 moveType = WhiteDrop;
15556 case IcsPlayingBlack:
15557 case MachinePlaysWhite:
15558 if (WhiteOnMove(currentMove)) {
15559 DisplayMoveError(_("It is White's turn"));
15562 moveType = BlackDrop;
15565 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15571 if (moveType == BlackDrop && selection < BlackPawn) {
15572 selection = (ChessSquare) ((int) selection
15573 + (int) BlackPawn - (int) WhitePawn);
15575 if (boards[currentMove][y][x] != EmptySquare) {
15576 DisplayMoveError(_("That square is occupied"));
15580 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15586 /* Accept a pending offer of any kind from opponent */
15588 if (appData.icsActive) {
15589 SendToICS(ics_prefix);
15590 SendToICS("accept\n");
15591 } else if (cmailMsgLoaded) {
15592 if (currentMove == cmailOldMove &&
15593 commentList[cmailOldMove] != NULL &&
15594 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15595 "Black offers a draw" : "White offers a draw")) {
15597 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15598 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15600 DisplayError(_("There is no pending offer on this move"), 0);
15601 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15604 /* Not used for offers from chess program */
15611 /* Decline a pending offer of any kind from opponent */
15613 if (appData.icsActive) {
15614 SendToICS(ics_prefix);
15615 SendToICS("decline\n");
15616 } else if (cmailMsgLoaded) {
15617 if (currentMove == cmailOldMove &&
15618 commentList[cmailOldMove] != NULL &&
15619 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15620 "Black offers a draw" : "White offers a draw")) {
15622 AppendComment(cmailOldMove, "Draw declined", TRUE);
15623 DisplayComment(cmailOldMove - 1, "Draw declined");
15626 DisplayError(_("There is no pending offer on this move"), 0);
15629 /* Not used for offers from chess program */
15636 /* Issue ICS rematch command */
15637 if (appData.icsActive) {
15638 SendToICS(ics_prefix);
15639 SendToICS("rematch\n");
15646 /* Call your opponent's flag (claim a win on time) */
15647 if (appData.icsActive) {
15648 SendToICS(ics_prefix);
15649 SendToICS("flag\n");
15651 switch (gameMode) {
15654 case MachinePlaysWhite:
15657 GameEnds(GameIsDrawn, "Both players ran out of time",
15660 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15662 DisplayError(_("Your opponent is not out of time"), 0);
15665 case MachinePlaysBlack:
15668 GameEnds(GameIsDrawn, "Both players ran out of time",
15671 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15673 DisplayError(_("Your opponent is not out of time"), 0);
15681 ClockClick (int which)
15682 { // [HGM] code moved to back-end from winboard.c
15683 if(which) { // black clock
15684 if (gameMode == EditPosition || gameMode == IcsExamining) {
15685 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15686 SetBlackToPlayEvent();
15687 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15688 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15689 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15690 } else if (shiftKey) {
15691 AdjustClock(which, -1);
15692 } else if (gameMode == IcsPlayingWhite ||
15693 gameMode == MachinePlaysBlack) {
15696 } else { // white clock
15697 if (gameMode == EditPosition || gameMode == IcsExamining) {
15698 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15699 SetWhiteToPlayEvent();
15700 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15701 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15702 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15703 } else if (shiftKey) {
15704 AdjustClock(which, -1);
15705 } else if (gameMode == IcsPlayingBlack ||
15706 gameMode == MachinePlaysWhite) {
15715 /* Offer draw or accept pending draw offer from opponent */
15717 if (appData.icsActive) {
15718 /* Note: tournament rules require draw offers to be
15719 made after you make your move but before you punch
15720 your clock. Currently ICS doesn't let you do that;
15721 instead, you immediately punch your clock after making
15722 a move, but you can offer a draw at any time. */
15724 SendToICS(ics_prefix);
15725 SendToICS("draw\n");
15726 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15727 } else if (cmailMsgLoaded) {
15728 if (currentMove == cmailOldMove &&
15729 commentList[cmailOldMove] != NULL &&
15730 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15731 "Black offers a draw" : "White offers a draw")) {
15732 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15733 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15734 } else if (currentMove == cmailOldMove + 1) {
15735 char *offer = WhiteOnMove(cmailOldMove) ?
15736 "White offers a draw" : "Black offers a draw";
15737 AppendComment(currentMove, offer, TRUE);
15738 DisplayComment(currentMove - 1, offer);
15739 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15741 DisplayError(_("You must make your move before offering a draw"), 0);
15742 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15744 } else if (first.offeredDraw) {
15745 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15747 if (first.sendDrawOffers) {
15748 SendToProgram("draw\n", &first);
15749 userOfferedDraw = TRUE;
15757 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15759 if (appData.icsActive) {
15760 SendToICS(ics_prefix);
15761 SendToICS("adjourn\n");
15763 /* Currently GNU Chess doesn't offer or accept Adjourns */
15771 /* Offer Abort or accept pending Abort offer from opponent */
15773 if (appData.icsActive) {
15774 SendToICS(ics_prefix);
15775 SendToICS("abort\n");
15777 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15784 /* Resign. You can do this even if it's not your turn. */
15786 if (appData.icsActive) {
15787 SendToICS(ics_prefix);
15788 SendToICS("resign\n");
15790 switch (gameMode) {
15791 case MachinePlaysWhite:
15792 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15794 case MachinePlaysBlack:
15795 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15798 if (cmailMsgLoaded) {
15800 if (WhiteOnMove(cmailOldMove)) {
15801 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15803 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15805 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15816 StopObservingEvent ()
15818 /* Stop observing current games */
15819 SendToICS(ics_prefix);
15820 SendToICS("unobserve\n");
15824 StopExaminingEvent ()
15826 /* Stop observing current game */
15827 SendToICS(ics_prefix);
15828 SendToICS("unexamine\n");
15832 ForwardInner (int target)
15834 int limit; int oldSeekGraphUp = seekGraphUp;
15836 if (appData.debugMode)
15837 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15838 target, currentMove, forwardMostMove);
15840 if (gameMode == EditPosition)
15843 seekGraphUp = FALSE;
15844 MarkTargetSquares(1);
15845 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15847 if (gameMode == PlayFromGameFile && !pausing)
15850 if (gameMode == IcsExamining && pausing)
15851 limit = pauseExamForwardMostMove;
15853 limit = forwardMostMove;
15855 if (target > limit) target = limit;
15857 if (target > 0 && moveList[target - 1][0]) {
15858 int fromX, fromY, toX, toY;
15859 toX = moveList[target - 1][2] - AAA;
15860 toY = moveList[target - 1][3] - ONE;
15861 if (moveList[target - 1][1] == '@') {
15862 if (appData.highlightLastMove) {
15863 SetHighlights(-1, -1, toX, toY);
15866 int viaX = moveList[target - 1][5] - AAA;
15867 int viaY = moveList[target - 1][6] - ONE;
15868 fromX = moveList[target - 1][0] - AAA;
15869 fromY = moveList[target - 1][1] - ONE;
15870 if (target == currentMove + 1) {
15871 if(moveList[target - 1][4] == ';') { // multi-leg
15872 ChessSquare piece = boards[currentMove][viaY][viaX];
15873 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15874 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15875 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15876 boards[currentMove][viaY][viaX] = piece;
15878 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15880 if (appData.highlightLastMove) {
15881 SetHighlights(fromX, fromY, toX, toY);
15885 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15886 gameMode == Training || gameMode == PlayFromGameFile ||
15887 gameMode == AnalyzeFile) {
15888 while (currentMove < target) {
15889 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15890 SendMoveToProgram(currentMove++, &first);
15893 currentMove = target;
15896 if (gameMode == EditGame || gameMode == EndOfGame) {
15897 whiteTimeRemaining = timeRemaining[0][currentMove];
15898 blackTimeRemaining = timeRemaining[1][currentMove];
15900 DisplayBothClocks();
15901 DisplayMove(currentMove - 1);
15902 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15903 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15904 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15905 DisplayComment(currentMove - 1, commentList[currentMove]);
15907 ClearMap(); // [HGM] exclude: invalidate map
15914 if (gameMode == IcsExamining && !pausing) {
15915 SendToICS(ics_prefix);
15916 SendToICS("forward\n");
15918 ForwardInner(currentMove + 1);
15925 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15926 /* to optimze, we temporarily turn off analysis mode while we feed
15927 * the remaining moves to the engine. Otherwise we get analysis output
15930 if (first.analysisSupport) {
15931 SendToProgram("exit\nforce\n", &first);
15932 first.analyzing = FALSE;
15936 if (gameMode == IcsExamining && !pausing) {
15937 SendToICS(ics_prefix);
15938 SendToICS("forward 999999\n");
15940 ForwardInner(forwardMostMove);
15943 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15944 /* we have fed all the moves, so reactivate analysis mode */
15945 SendToProgram("analyze\n", &first);
15946 first.analyzing = TRUE;
15947 /*first.maybeThinking = TRUE;*/
15948 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15953 BackwardInner (int target)
15955 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15957 if (appData.debugMode)
15958 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15959 target, currentMove, forwardMostMove);
15961 if (gameMode == EditPosition) return;
15962 seekGraphUp = FALSE;
15963 MarkTargetSquares(1);
15964 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15965 if (currentMove <= backwardMostMove) {
15967 DrawPosition(full_redraw, boards[currentMove]);
15970 if (gameMode == PlayFromGameFile && !pausing)
15973 if (moveList[target][0]) {
15974 int fromX, fromY, toX, toY;
15975 toX = moveList[target][2] - AAA;
15976 toY = moveList[target][3] - ONE;
15977 if (moveList[target][1] == '@') {
15978 if (appData.highlightLastMove) {
15979 SetHighlights(-1, -1, toX, toY);
15982 fromX = moveList[target][0] - AAA;
15983 fromY = moveList[target][1] - ONE;
15984 if (target == currentMove - 1) {
15985 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15987 if (appData.highlightLastMove) {
15988 SetHighlights(fromX, fromY, toX, toY);
15992 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15993 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15994 while (currentMove > target) {
15995 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15996 // null move cannot be undone. Reload program with move history before it.
15998 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15999 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16001 SendBoard(&first, i);
16002 if(second.analyzing) SendBoard(&second, i);
16003 for(currentMove=i; currentMove<target; currentMove++) {
16004 SendMoveToProgram(currentMove, &first);
16005 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16009 SendToBoth("undo\n");
16013 currentMove = target;
16016 if (gameMode == EditGame || gameMode == EndOfGame) {
16017 whiteTimeRemaining = timeRemaining[0][currentMove];
16018 blackTimeRemaining = timeRemaining[1][currentMove];
16020 DisplayBothClocks();
16021 DisplayMove(currentMove - 1);
16022 DrawPosition(full_redraw, boards[currentMove]);
16023 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16024 // [HGM] PV info: routine tests if comment empty
16025 DisplayComment(currentMove - 1, commentList[currentMove]);
16026 ClearMap(); // [HGM] exclude: invalidate map
16032 if (gameMode == IcsExamining && !pausing) {
16033 SendToICS(ics_prefix);
16034 SendToICS("backward\n");
16036 BackwardInner(currentMove - 1);
16043 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16044 /* to optimize, we temporarily turn off analysis mode while we undo
16045 * all the moves. Otherwise we get analysis output after each undo.
16047 if (first.analysisSupport) {
16048 SendToProgram("exit\nforce\n", &first);
16049 first.analyzing = FALSE;
16053 if (gameMode == IcsExamining && !pausing) {
16054 SendToICS(ics_prefix);
16055 SendToICS("backward 999999\n");
16057 BackwardInner(backwardMostMove);
16060 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16061 /* we have fed all the moves, so reactivate analysis mode */
16062 SendToProgram("analyze\n", &first);
16063 first.analyzing = TRUE;
16064 /*first.maybeThinking = TRUE;*/
16065 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16072 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16073 if (to >= forwardMostMove) to = forwardMostMove;
16074 if (to <= backwardMostMove) to = backwardMostMove;
16075 if (to < currentMove) {
16083 RevertEvent (Boolean annotate)
16085 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16088 if (gameMode != IcsExamining) {
16089 DisplayError(_("You are not examining a game"), 0);
16093 DisplayError(_("You can't revert while pausing"), 0);
16096 SendToICS(ics_prefix);
16097 SendToICS("revert\n");
16101 RetractMoveEvent ()
16103 switch (gameMode) {
16104 case MachinePlaysWhite:
16105 case MachinePlaysBlack:
16106 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16107 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16110 if (forwardMostMove < 2) return;
16111 currentMove = forwardMostMove = forwardMostMove - 2;
16112 whiteTimeRemaining = timeRemaining[0][currentMove];
16113 blackTimeRemaining = timeRemaining[1][currentMove];
16114 DisplayBothClocks();
16115 DisplayMove(currentMove - 1);
16116 ClearHighlights();/*!! could figure this out*/
16117 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16118 SendToProgram("remove\n", &first);
16119 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16122 case BeginningOfGame:
16126 case IcsPlayingWhite:
16127 case IcsPlayingBlack:
16128 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16129 SendToICS(ics_prefix);
16130 SendToICS("takeback 2\n");
16132 SendToICS(ics_prefix);
16133 SendToICS("takeback 1\n");
16142 ChessProgramState *cps;
16144 switch (gameMode) {
16145 case MachinePlaysWhite:
16146 if (!WhiteOnMove(forwardMostMove)) {
16147 DisplayError(_("It is your turn"), 0);
16152 case MachinePlaysBlack:
16153 if (WhiteOnMove(forwardMostMove)) {
16154 DisplayError(_("It is your turn"), 0);
16159 case TwoMachinesPlay:
16160 if (WhiteOnMove(forwardMostMove) ==
16161 (first.twoMachinesColor[0] == 'w')) {
16167 case BeginningOfGame:
16171 SendToProgram("?\n", cps);
16175 TruncateGameEvent ()
16178 if (gameMode != EditGame) return;
16185 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16186 if (forwardMostMove > currentMove) {
16187 if (gameInfo.resultDetails != NULL) {
16188 free(gameInfo.resultDetails);
16189 gameInfo.resultDetails = NULL;
16190 gameInfo.result = GameUnfinished;
16192 forwardMostMove = currentMove;
16193 HistorySet(parseList, backwardMostMove, forwardMostMove,
16201 if (appData.noChessProgram) return;
16202 switch (gameMode) {
16203 case MachinePlaysWhite:
16204 if (WhiteOnMove(forwardMostMove)) {
16205 DisplayError(_("Wait until your turn."), 0);
16209 case BeginningOfGame:
16210 case MachinePlaysBlack:
16211 if (!WhiteOnMove(forwardMostMove)) {
16212 DisplayError(_("Wait until your turn."), 0);
16217 DisplayError(_("No hint available"), 0);
16220 SendToProgram("hint\n", &first);
16221 hintRequested = TRUE;
16225 SaveSelected (FILE *g, int dummy, char *dummy2)
16227 ListGame * lg = (ListGame *) gameList.head;
16231 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16232 DisplayError(_("Game list not loaded or empty"), 0);
16236 creatingBook = TRUE; // suppresses stuff during load game
16238 /* Get list size */
16239 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16240 if(lg->position >= 0) { // selected?
16241 LoadGame(f, nItem, "", TRUE);
16242 SaveGamePGN2(g); // leaves g open
16245 lg = (ListGame *) lg->node.succ;
16249 creatingBook = FALSE;
16257 ListGame * lg = (ListGame *) gameList.head;
16260 static int secondTime = FALSE;
16262 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16263 DisplayError(_("Game list not loaded or empty"), 0);
16267 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16270 DisplayNote(_("Book file exists! Try again for overwrite."));
16274 creatingBook = TRUE;
16275 secondTime = FALSE;
16277 /* Get list size */
16278 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16279 if(lg->position >= 0) {
16280 LoadGame(f, nItem, "", TRUE);
16281 AddGameToBook(TRUE);
16284 lg = (ListGame *) lg->node.succ;
16287 creatingBook = FALSE;
16294 if (appData.noChessProgram) return;
16295 switch (gameMode) {
16296 case MachinePlaysWhite:
16297 if (WhiteOnMove(forwardMostMove)) {
16298 DisplayError(_("Wait until your turn."), 0);
16302 case BeginningOfGame:
16303 case MachinePlaysBlack:
16304 if (!WhiteOnMove(forwardMostMove)) {
16305 DisplayError(_("Wait until your turn."), 0);
16310 EditPositionDone(TRUE);
16312 case TwoMachinesPlay:
16317 SendToProgram("bk\n", &first);
16318 bookOutput[0] = NULLCHAR;
16319 bookRequested = TRUE;
16325 char *tags = PGNTags(&gameInfo);
16326 TagsPopUp(tags, CmailMsg());
16330 /* end button procedures */
16333 PrintPosition (FILE *fp, int move)
16337 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16338 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16339 char c = PieceToChar(boards[move][i][j]);
16340 fputc(c == '?' ? '.' : c, fp);
16341 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16344 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16345 fprintf(fp, "white to play\n");
16347 fprintf(fp, "black to play\n");
16351 PrintOpponents (FILE *fp)
16353 if (gameInfo.white != NULL) {
16354 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16360 /* Find last component of program's own name, using some heuristics */
16362 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16365 int local = (strcmp(host, "localhost") == 0);
16366 while (!local && (p = strchr(prog, ';')) != NULL) {
16368 while (*p == ' ') p++;
16371 if (*prog == '"' || *prog == '\'') {
16372 q = strchr(prog + 1, *prog);
16374 q = strchr(prog, ' ');
16376 if (q == NULL) q = prog + strlen(prog);
16378 while (p >= prog && *p != '/' && *p != '\\') p--;
16380 if(p == prog && *p == '"') p++;
16382 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16383 memcpy(buf, p, q - p);
16384 buf[q - p] = NULLCHAR;
16392 TimeControlTagValue ()
16395 if (!appData.clockMode) {
16396 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16397 } else if (movesPerSession > 0) {
16398 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16399 } else if (timeIncrement == 0) {
16400 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16402 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16404 return StrSave(buf);
16410 /* This routine is used only for certain modes */
16411 VariantClass v = gameInfo.variant;
16412 ChessMove r = GameUnfinished;
16415 if(keepInfo) return;
16417 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16418 r = gameInfo.result;
16419 p = gameInfo.resultDetails;
16420 gameInfo.resultDetails = NULL;
16422 ClearGameInfo(&gameInfo);
16423 gameInfo.variant = v;
16425 switch (gameMode) {
16426 case MachinePlaysWhite:
16427 gameInfo.event = StrSave( appData.pgnEventHeader );
16428 gameInfo.site = StrSave(HostName());
16429 gameInfo.date = PGNDate();
16430 gameInfo.round = StrSave("-");
16431 gameInfo.white = StrSave(first.tidy);
16432 gameInfo.black = StrSave(UserName());
16433 gameInfo.timeControl = TimeControlTagValue();
16436 case MachinePlaysBlack:
16437 gameInfo.event = StrSave( appData.pgnEventHeader );
16438 gameInfo.site = StrSave(HostName());
16439 gameInfo.date = PGNDate();
16440 gameInfo.round = StrSave("-");
16441 gameInfo.white = StrSave(UserName());
16442 gameInfo.black = StrSave(first.tidy);
16443 gameInfo.timeControl = TimeControlTagValue();
16446 case TwoMachinesPlay:
16447 gameInfo.event = StrSave( appData.pgnEventHeader );
16448 gameInfo.site = StrSave(HostName());
16449 gameInfo.date = PGNDate();
16452 snprintf(buf, MSG_SIZ, "%d", roundNr);
16453 gameInfo.round = StrSave(buf);
16455 gameInfo.round = StrSave("-");
16457 if (first.twoMachinesColor[0] == 'w') {
16458 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16459 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16461 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16462 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16464 gameInfo.timeControl = TimeControlTagValue();
16468 gameInfo.event = StrSave("Edited game");
16469 gameInfo.site = StrSave(HostName());
16470 gameInfo.date = PGNDate();
16471 gameInfo.round = StrSave("-");
16472 gameInfo.white = StrSave("-");
16473 gameInfo.black = StrSave("-");
16474 gameInfo.result = r;
16475 gameInfo.resultDetails = p;
16479 gameInfo.event = StrSave("Edited position");
16480 gameInfo.site = StrSave(HostName());
16481 gameInfo.date = PGNDate();
16482 gameInfo.round = StrSave("-");
16483 gameInfo.white = StrSave("-");
16484 gameInfo.black = StrSave("-");
16487 case IcsPlayingWhite:
16488 case IcsPlayingBlack:
16493 case PlayFromGameFile:
16494 gameInfo.event = StrSave("Game from non-PGN file");
16495 gameInfo.site = StrSave(HostName());
16496 gameInfo.date = PGNDate();
16497 gameInfo.round = StrSave("-");
16498 gameInfo.white = StrSave("?");
16499 gameInfo.black = StrSave("?");
16508 ReplaceComment (int index, char *text)
16514 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16515 pvInfoList[index-1].depth == len &&
16516 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16517 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16518 while (*text == '\n') text++;
16519 len = strlen(text);
16520 while (len > 0 && text[len - 1] == '\n') len--;
16522 if (commentList[index] != NULL)
16523 free(commentList[index]);
16526 commentList[index] = NULL;
16529 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16530 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16531 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16532 commentList[index] = (char *) malloc(len + 2);
16533 strncpy(commentList[index], text, len);
16534 commentList[index][len] = '\n';
16535 commentList[index][len + 1] = NULLCHAR;
16537 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16539 commentList[index] = (char *) malloc(len + 7);
16540 safeStrCpy(commentList[index], "{\n", 3);
16541 safeStrCpy(commentList[index]+2, text, len+1);
16542 commentList[index][len+2] = NULLCHAR;
16543 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16544 strcat(commentList[index], "\n}\n");
16549 CrushCRs (char *text)
16557 if (ch == '\r') continue;
16559 } while (ch != '\0');
16563 AppendComment (int index, char *text, Boolean addBraces)
16564 /* addBraces tells if we should add {} */
16569 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16570 if(addBraces == 3) addBraces = 0; else // force appending literally
16571 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16574 while (*text == '\n') text++;
16575 len = strlen(text);
16576 while (len > 0 && text[len - 1] == '\n') len--;
16577 text[len] = NULLCHAR;
16579 if (len == 0) return;
16581 if (commentList[index] != NULL) {
16582 Boolean addClosingBrace = addBraces;
16583 old = commentList[index];
16584 oldlen = strlen(old);
16585 while(commentList[index][oldlen-1] == '\n')
16586 commentList[index][--oldlen] = NULLCHAR;
16587 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16588 safeStrCpy(commentList[index], old, oldlen + len + 6);
16590 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16591 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16592 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16593 while (*text == '\n') { text++; len--; }
16594 commentList[index][--oldlen] = NULLCHAR;
16596 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16597 else strcat(commentList[index], "\n");
16598 strcat(commentList[index], text);
16599 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16600 else strcat(commentList[index], "\n");
16602 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16604 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16605 else commentList[index][0] = NULLCHAR;
16606 strcat(commentList[index], text);
16607 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16608 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16613 FindStr (char * text, char * sub_text)
16615 char * result = strstr( text, sub_text );
16617 if( result != NULL ) {
16618 result += strlen( sub_text );
16624 /* [AS] Try to extract PV info from PGN comment */
16625 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16627 GetInfoFromComment (int index, char * text)
16629 char * sep = text, *p;
16631 if( text != NULL && index > 0 ) {
16634 int time = -1, sec = 0, deci;
16635 char * s_eval = FindStr( text, "[%eval " );
16636 char * s_emt = FindStr( text, "[%emt " );
16638 if( s_eval != NULL || s_emt != NULL ) {
16640 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16645 if( s_eval != NULL ) {
16646 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16650 if( delim != ']' ) {
16655 if( s_emt != NULL ) {
16660 /* We expect something like: [+|-]nnn.nn/dd */
16663 if(*text != '{') return text; // [HGM] braces: must be normal comment
16665 sep = strchr( text, '/' );
16666 if( sep == NULL || sep < (text+4) ) {
16671 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16672 if(p[1] == '(') { // comment starts with PV
16673 p = strchr(p, ')'); // locate end of PV
16674 if(p == NULL || sep < p+5) return text;
16675 // at this point we have something like "{(.*) +0.23/6 ..."
16676 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16677 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16678 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16680 time = -1; sec = -1; deci = -1;
16681 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16682 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16683 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16684 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16688 if( score_lo < 0 || score_lo >= 100 ) {
16692 if(sec >= 0) time = 600*time + 10*sec; else
16693 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16695 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16697 /* [HGM] PV time: now locate end of PV info */
16698 while( *++sep >= '0' && *sep <= '9'); // strip depth
16700 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16702 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16704 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16705 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16716 pvInfoList[index-1].depth = depth;
16717 pvInfoList[index-1].score = score;
16718 pvInfoList[index-1].time = 10*time; // centi-sec
16719 if(*sep == '}') *sep = 0; else *--sep = '{';
16720 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16726 SendToProgram (char *message, ChessProgramState *cps)
16728 int count, outCount, error;
16731 if (cps->pr == NoProc) return;
16734 if (appData.debugMode) {
16737 fprintf(debugFP, "%ld >%-6s: %s",
16738 SubtractTimeMarks(&now, &programStartTime),
16739 cps->which, message);
16741 fprintf(serverFP, "%ld >%-6s: %s",
16742 SubtractTimeMarks(&now, &programStartTime),
16743 cps->which, message), fflush(serverFP);
16746 count = strlen(message);
16747 outCount = OutputToProcess(cps->pr, message, count, &error);
16748 if (outCount < count && !exiting
16749 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16750 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16751 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16752 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16753 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16754 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16755 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16756 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16758 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16759 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16760 gameInfo.result = res;
16762 gameInfo.resultDetails = StrSave(buf);
16764 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16765 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16770 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16774 ChessProgramState *cps = (ChessProgramState *)closure;
16776 if (isr != cps->isr) return; /* Killed intentionally */
16779 RemoveInputSource(cps->isr);
16780 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16781 _(cps->which), cps->program);
16782 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16783 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16784 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16785 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16786 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16787 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16789 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16790 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16791 gameInfo.result = res;
16793 gameInfo.resultDetails = StrSave(buf);
16795 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16796 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16798 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16799 _(cps->which), cps->program);
16800 RemoveInputSource(cps->isr);
16802 /* [AS] Program is misbehaving badly... kill it */
16803 if( count == -2 ) {
16804 DestroyChildProcess( cps->pr, 9 );
16808 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16813 if ((end_str = strchr(message, '\r')) != NULL)
16814 *end_str = NULLCHAR;
16815 if ((end_str = strchr(message, '\n')) != NULL)
16816 *end_str = NULLCHAR;
16818 if (appData.debugMode) {
16819 TimeMark now; int print = 1;
16820 char *quote = ""; char c; int i;
16822 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16823 char start = message[0];
16824 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16825 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16826 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16827 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16828 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16829 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16830 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16831 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16832 sscanf(message, "hint: %c", &c)!=1 &&
16833 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16834 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16835 print = (appData.engineComments >= 2);
16837 message[0] = start; // restore original message
16841 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16842 SubtractTimeMarks(&now, &programStartTime), cps->which,
16846 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16847 SubtractTimeMarks(&now, &programStartTime), cps->which,
16849 message), fflush(serverFP);
16853 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16854 if (appData.icsEngineAnalyze) {
16855 if (strstr(message, "whisper") != NULL ||
16856 strstr(message, "kibitz") != NULL ||
16857 strstr(message, "tellics") != NULL) return;
16860 HandleMachineMove(message, cps);
16865 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16870 if( timeControl_2 > 0 ) {
16871 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16872 tc = timeControl_2;
16875 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16876 inc /= cps->timeOdds;
16877 st /= cps->timeOdds;
16879 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16882 /* Set exact time per move, normally using st command */
16883 if (cps->stKludge) {
16884 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16886 if (seconds == 0) {
16887 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16889 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16892 snprintf(buf, MSG_SIZ, "st %d\n", st);
16895 /* Set conventional or incremental time control, using level command */
16896 if (seconds == 0) {
16897 /* Note old gnuchess bug -- minutes:seconds used to not work.
16898 Fixed in later versions, but still avoid :seconds
16899 when seconds is 0. */
16900 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16902 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16903 seconds, inc/1000.);
16906 SendToProgram(buf, cps);
16908 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16909 /* Orthogonally, limit search to given depth */
16911 if (cps->sdKludge) {
16912 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16914 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16916 SendToProgram(buf, cps);
16919 if(cps->nps >= 0) { /* [HGM] nps */
16920 if(cps->supportsNPS == FALSE)
16921 cps->nps = -1; // don't use if engine explicitly says not supported!
16923 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16924 SendToProgram(buf, cps);
16929 ChessProgramState *
16931 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16933 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16934 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16940 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16942 char message[MSG_SIZ];
16945 /* Note: this routine must be called when the clocks are stopped
16946 or when they have *just* been set or switched; otherwise
16947 it will be off by the time since the current tick started.
16949 if (machineWhite) {
16950 time = whiteTimeRemaining / 10;
16951 otime = blackTimeRemaining / 10;
16953 time = blackTimeRemaining / 10;
16954 otime = whiteTimeRemaining / 10;
16956 /* [HGM] translate opponent's time by time-odds factor */
16957 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16959 if (time <= 0) time = 1;
16960 if (otime <= 0) otime = 1;
16962 snprintf(message, MSG_SIZ, "time %ld\n", time);
16963 SendToProgram(message, cps);
16965 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16966 SendToProgram(message, cps);
16970 EngineDefinedVariant (ChessProgramState *cps, int n)
16971 { // return name of n-th unknown variant that engine supports
16972 static char buf[MSG_SIZ];
16973 char *p, *s = cps->variants;
16974 if(!s) return NULL;
16975 do { // parse string from variants feature
16977 p = strchr(s, ',');
16978 if(p) *p = NULLCHAR;
16979 v = StringToVariant(s);
16980 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16981 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16982 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16983 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16984 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16985 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16986 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16989 if(n < 0) return buf;
16995 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16998 int len = strlen(name);
17001 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17003 sscanf(*p, "%d", &val);
17005 while (**p && **p != ' ')
17007 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17008 SendToProgram(buf, cps);
17015 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17018 int len = strlen(name);
17019 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17021 sscanf(*p, "%d", loc);
17022 while (**p && **p != ' ') (*p)++;
17023 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17024 SendToProgram(buf, cps);
17031 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17034 int len = strlen(name);
17035 if (strncmp((*p), name, len) == 0
17036 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17038 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17039 sscanf(*p, "%[^\"]", *loc);
17040 while (**p && **p != '\"') (*p)++;
17041 if (**p == '\"') (*p)++;
17042 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17043 SendToProgram(buf, cps);
17050 ParseOption (Option *opt, ChessProgramState *cps)
17051 // [HGM] options: process the string that defines an engine option, and determine
17052 // name, type, default value, and allowed value range
17054 char *p, *q, buf[MSG_SIZ];
17055 int n, min = (-1)<<31, max = 1<<31, def;
17057 opt->target = &opt->value; // OK for spin/slider and checkbox
17058 if(p = strstr(opt->name, " -spin ")) {
17059 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17060 if(max < min) max = min; // enforce consistency
17061 if(def < min) def = min;
17062 if(def > max) def = max;
17067 } else if((p = strstr(opt->name, " -slider "))) {
17068 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17069 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17070 if(max < min) max = min; // enforce consistency
17071 if(def < min) def = min;
17072 if(def > max) def = max;
17076 opt->type = Spin; // Slider;
17077 } else if((p = strstr(opt->name, " -string "))) {
17078 opt->textValue = p+9;
17079 opt->type = TextBox;
17080 opt->target = &opt->textValue;
17081 } else if((p = strstr(opt->name, " -file "))) {
17082 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17083 opt->target = opt->textValue = p+7;
17084 opt->type = FileName; // FileName;
17085 opt->target = &opt->textValue;
17086 } else if((p = strstr(opt->name, " -path "))) {
17087 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17088 opt->target = opt->textValue = p+7;
17089 opt->type = PathName; // PathName;
17090 opt->target = &opt->textValue;
17091 } else if(p = strstr(opt->name, " -check ")) {
17092 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17093 opt->value = (def != 0);
17094 opt->type = CheckBox;
17095 } else if(p = strstr(opt->name, " -combo ")) {
17096 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17097 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17098 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17099 opt->value = n = 0;
17100 while(q = StrStr(q, " /// ")) {
17101 n++; *q = 0; // count choices, and null-terminate each of them
17103 if(*q == '*') { // remember default, which is marked with * prefix
17107 cps->comboList[cps->comboCnt++] = q;
17109 cps->comboList[cps->comboCnt++] = NULL;
17111 opt->type = ComboBox;
17112 } else if(p = strstr(opt->name, " -button")) {
17113 opt->type = Button;
17114 } else if(p = strstr(opt->name, " -save")) {
17115 opt->type = SaveButton;
17116 } else return FALSE;
17117 *p = 0; // terminate option name
17118 // now look if the command-line options define a setting for this engine option.
17119 if(cps->optionSettings && cps->optionSettings[0])
17120 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17121 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17122 snprintf(buf, MSG_SIZ, "option %s", p);
17123 if(p = strstr(buf, ",")) *p = 0;
17124 if(q = strchr(buf, '=')) switch(opt->type) {
17126 for(n=0; n<opt->max; n++)
17127 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17130 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17134 opt->value = atoi(q+1);
17139 SendToProgram(buf, cps);
17145 FeatureDone (ChessProgramState *cps, int val)
17147 DelayedEventCallback cb = GetDelayedEvent();
17148 if ((cb == InitBackEnd3 && cps == &first) ||
17149 (cb == SettingsMenuIfReady && cps == &second) ||
17150 (cb == LoadEngine) ||
17151 (cb == TwoMachinesEventIfReady)) {
17152 CancelDelayedEvent();
17153 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17154 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17155 cps->initDone = val;
17156 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17159 /* Parse feature command from engine */
17161 ParseFeatures (char *args, ChessProgramState *cps)
17169 while (*p == ' ') p++;
17170 if (*p == NULLCHAR) return;
17172 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17173 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17174 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17175 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17176 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17177 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17178 if (BoolFeature(&p, "reuse", &val, cps)) {
17179 /* Engine can disable reuse, but can't enable it if user said no */
17180 if (!val) cps->reuse = FALSE;
17183 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17184 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17185 if (gameMode == TwoMachinesPlay) {
17186 DisplayTwoMachinesTitle();
17192 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17193 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17194 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17195 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17196 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17197 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17198 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17199 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17200 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17201 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17202 if (IntFeature(&p, "done", &val, cps)) {
17203 FeatureDone(cps, val);
17206 /* Added by Tord: */
17207 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17208 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17209 /* End of additions by Tord */
17211 /* [HGM] added features: */
17212 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17213 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17214 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17215 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17216 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17217 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17218 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17219 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17220 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17221 FREE(cps->option[cps->nrOptions].name);
17222 cps->option[cps->nrOptions].name = q; q = NULL;
17223 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17224 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17225 SendToProgram(buf, cps);
17228 if(cps->nrOptions >= MAX_OPTIONS) {
17230 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17231 DisplayError(buf, 0);
17235 /* End of additions by HGM */
17237 /* unknown feature: complain and skip */
17239 while (*q && *q != '=') q++;
17240 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17241 SendToProgram(buf, cps);
17247 while (*p && *p != '\"') p++;
17248 if (*p == '\"') p++;
17250 while (*p && *p != ' ') p++;
17258 PeriodicUpdatesEvent (int newState)
17260 if (newState == appData.periodicUpdates)
17263 appData.periodicUpdates=newState;
17265 /* Display type changes, so update it now */
17266 // DisplayAnalysis();
17268 /* Get the ball rolling again... */
17270 AnalysisPeriodicEvent(1);
17271 StartAnalysisClock();
17276 PonderNextMoveEvent (int newState)
17278 if (newState == appData.ponderNextMove) return;
17279 if (gameMode == EditPosition) EditPositionDone(TRUE);
17281 SendToProgram("hard\n", &first);
17282 if (gameMode == TwoMachinesPlay) {
17283 SendToProgram("hard\n", &second);
17286 SendToProgram("easy\n", &first);
17287 thinkOutput[0] = NULLCHAR;
17288 if (gameMode == TwoMachinesPlay) {
17289 SendToProgram("easy\n", &second);
17292 appData.ponderNextMove = newState;
17296 NewSettingEvent (int option, int *feature, char *command, int value)
17300 if (gameMode == EditPosition) EditPositionDone(TRUE);
17301 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17302 if(feature == NULL || *feature) SendToProgram(buf, &first);
17303 if (gameMode == TwoMachinesPlay) {
17304 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17309 ShowThinkingEvent ()
17310 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17312 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17313 int newState = appData.showThinking
17314 // [HGM] thinking: other features now need thinking output as well
17315 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17317 if (oldState == newState) return;
17318 oldState = newState;
17319 if (gameMode == EditPosition) EditPositionDone(TRUE);
17321 SendToProgram("post\n", &first);
17322 if (gameMode == TwoMachinesPlay) {
17323 SendToProgram("post\n", &second);
17326 SendToProgram("nopost\n", &first);
17327 thinkOutput[0] = NULLCHAR;
17328 if (gameMode == TwoMachinesPlay) {
17329 SendToProgram("nopost\n", &second);
17332 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17336 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17338 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17339 if (pr == NoProc) return;
17340 AskQuestion(title, question, replyPrefix, pr);
17344 TypeInEvent (char firstChar)
17346 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17347 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17348 gameMode == AnalyzeMode || gameMode == EditGame ||
17349 gameMode == EditPosition || gameMode == IcsExamining ||
17350 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17351 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17352 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17353 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17354 gameMode == Training) PopUpMoveDialog(firstChar);
17358 TypeInDoneEvent (char *move)
17361 int n, fromX, fromY, toX, toY;
17363 ChessMove moveType;
17366 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17367 EditPositionPasteFEN(move);
17370 // [HGM] movenum: allow move number to be typed in any mode
17371 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17375 // undocumented kludge: allow command-line option to be typed in!
17376 // (potentially fatal, and does not implement the effect of the option.)
17377 // should only be used for options that are values on which future decisions will be made,
17378 // and definitely not on options that would be used during initialization.
17379 if(strstr(move, "!!! -") == move) {
17380 ParseArgsFromString(move+4);
17384 if (gameMode != EditGame && currentMove != forwardMostMove &&
17385 gameMode != Training) {
17386 DisplayMoveError(_("Displayed move is not current"));
17388 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17389 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17390 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17391 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17392 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17393 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17395 DisplayMoveError(_("Could not parse move"));
17401 DisplayMove (int moveNumber)
17403 char message[MSG_SIZ];
17405 char cpThinkOutput[MSG_SIZ];
17407 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17409 if (moveNumber == forwardMostMove - 1 ||
17410 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17412 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17414 if (strchr(cpThinkOutput, '\n')) {
17415 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17418 *cpThinkOutput = NULLCHAR;
17421 /* [AS] Hide thinking from human user */
17422 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17423 *cpThinkOutput = NULLCHAR;
17424 if( thinkOutput[0] != NULLCHAR ) {
17427 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17428 cpThinkOutput[i] = '.';
17430 cpThinkOutput[i] = NULLCHAR;
17431 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17435 if (moveNumber == forwardMostMove - 1 &&
17436 gameInfo.resultDetails != NULL) {
17437 if (gameInfo.resultDetails[0] == NULLCHAR) {
17438 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17440 snprintf(res, MSG_SIZ, " {%s} %s",
17441 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17447 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17448 DisplayMessage(res, cpThinkOutput);
17450 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17451 WhiteOnMove(moveNumber) ? " " : ".. ",
17452 parseList[moveNumber], res);
17453 DisplayMessage(message, cpThinkOutput);
17458 DisplayComment (int moveNumber, char *text)
17460 char title[MSG_SIZ];
17462 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17463 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17465 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17466 WhiteOnMove(moveNumber) ? " " : ".. ",
17467 parseList[moveNumber]);
17469 if (text != NULL && (appData.autoDisplayComment || commentUp))
17470 CommentPopUp(title, text);
17473 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17474 * might be busy thinking or pondering. It can be omitted if your
17475 * gnuchess is configured to stop thinking immediately on any user
17476 * input. However, that gnuchess feature depends on the FIONREAD
17477 * ioctl, which does not work properly on some flavors of Unix.
17480 Attention (ChessProgramState *cps)
17483 if (!cps->useSigint) return;
17484 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17485 switch (gameMode) {
17486 case MachinePlaysWhite:
17487 case MachinePlaysBlack:
17488 case TwoMachinesPlay:
17489 case IcsPlayingWhite:
17490 case IcsPlayingBlack:
17493 /* Skip if we know it isn't thinking */
17494 if (!cps->maybeThinking) return;
17495 if (appData.debugMode)
17496 fprintf(debugFP, "Interrupting %s\n", cps->which);
17497 InterruptChildProcess(cps->pr);
17498 cps->maybeThinking = FALSE;
17503 #endif /*ATTENTION*/
17509 if (whiteTimeRemaining <= 0) {
17512 if (appData.icsActive) {
17513 if (appData.autoCallFlag &&
17514 gameMode == IcsPlayingBlack && !blackFlag) {
17515 SendToICS(ics_prefix);
17516 SendToICS("flag\n");
17520 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17522 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17523 if (appData.autoCallFlag) {
17524 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17531 if (blackTimeRemaining <= 0) {
17534 if (appData.icsActive) {
17535 if (appData.autoCallFlag &&
17536 gameMode == IcsPlayingWhite && !whiteFlag) {
17537 SendToICS(ics_prefix);
17538 SendToICS("flag\n");
17542 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17544 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17545 if (appData.autoCallFlag) {
17546 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17557 CheckTimeControl ()
17559 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17560 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17563 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17565 if ( !WhiteOnMove(forwardMostMove) ) {
17566 /* White made time control */
17567 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17568 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17569 /* [HGM] time odds: correct new time quota for time odds! */
17570 / WhitePlayer()->timeOdds;
17571 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17573 lastBlack -= blackTimeRemaining;
17574 /* Black made time control */
17575 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17576 / WhitePlayer()->other->timeOdds;
17577 lastWhite = whiteTimeRemaining;
17582 DisplayBothClocks ()
17584 int wom = gameMode == EditPosition ?
17585 !blackPlaysFirst : WhiteOnMove(currentMove);
17586 DisplayWhiteClock(whiteTimeRemaining, wom);
17587 DisplayBlackClock(blackTimeRemaining, !wom);
17591 /* Timekeeping seems to be a portability nightmare. I think everyone
17592 has ftime(), but I'm really not sure, so I'm including some ifdefs
17593 to use other calls if you don't. Clocks will be less accurate if
17594 you have neither ftime nor gettimeofday.
17597 /* VS 2008 requires the #include outside of the function */
17598 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17599 #include <sys/timeb.h>
17602 /* Get the current time as a TimeMark */
17604 GetTimeMark (TimeMark *tm)
17606 #if HAVE_GETTIMEOFDAY
17608 struct timeval timeVal;
17609 struct timezone timeZone;
17611 gettimeofday(&timeVal, &timeZone);
17612 tm->sec = (long) timeVal.tv_sec;
17613 tm->ms = (int) (timeVal.tv_usec / 1000L);
17615 #else /*!HAVE_GETTIMEOFDAY*/
17618 // include <sys/timeb.h> / moved to just above start of function
17619 struct timeb timeB;
17622 tm->sec = (long) timeB.time;
17623 tm->ms = (int) timeB.millitm;
17625 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17626 tm->sec = (long) time(NULL);
17632 /* Return the difference in milliseconds between two
17633 time marks. We assume the difference will fit in a long!
17636 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17638 return 1000L*(tm2->sec - tm1->sec) +
17639 (long) (tm2->ms - tm1->ms);
17644 * Code to manage the game clocks.
17646 * In tournament play, black starts the clock and then white makes a move.
17647 * We give the human user a slight advantage if he is playing white---the
17648 * clocks don't run until he makes his first move, so it takes zero time.
17649 * Also, we don't account for network lag, so we could get out of sync
17650 * with GNU Chess's clock -- but then, referees are always right.
17653 static TimeMark tickStartTM;
17654 static long intendedTickLength;
17657 NextTickLength (long timeRemaining)
17659 long nominalTickLength, nextTickLength;
17661 if (timeRemaining > 0L && timeRemaining <= 10000L)
17662 nominalTickLength = 100L;
17664 nominalTickLength = 1000L;
17665 nextTickLength = timeRemaining % nominalTickLength;
17666 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17668 return nextTickLength;
17671 /* Adjust clock one minute up or down */
17673 AdjustClock (Boolean which, int dir)
17675 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17676 if(which) blackTimeRemaining += 60000*dir;
17677 else whiteTimeRemaining += 60000*dir;
17678 DisplayBothClocks();
17679 adjustedClock = TRUE;
17682 /* Stop clocks and reset to a fresh time control */
17686 (void) StopClockTimer();
17687 if (appData.icsActive) {
17688 whiteTimeRemaining = blackTimeRemaining = 0;
17689 } else if (searchTime) {
17690 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17691 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17692 } else { /* [HGM] correct new time quote for time odds */
17693 whiteTC = blackTC = fullTimeControlString;
17694 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17695 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17697 if (whiteFlag || blackFlag) {
17699 whiteFlag = blackFlag = FALSE;
17701 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17702 DisplayBothClocks();
17703 adjustedClock = FALSE;
17706 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17708 /* Decrement running clock by amount of time that has passed */
17712 long timeRemaining;
17713 long lastTickLength, fudge;
17716 if (!appData.clockMode) return;
17717 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17721 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17723 /* Fudge if we woke up a little too soon */
17724 fudge = intendedTickLength - lastTickLength;
17725 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17727 if (WhiteOnMove(forwardMostMove)) {
17728 if(whiteNPS >= 0) lastTickLength = 0;
17729 timeRemaining = whiteTimeRemaining -= lastTickLength;
17730 if(timeRemaining < 0 && !appData.icsActive) {
17731 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17732 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17733 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17734 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17737 DisplayWhiteClock(whiteTimeRemaining - fudge,
17738 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17740 if(blackNPS >= 0) lastTickLength = 0;
17741 timeRemaining = blackTimeRemaining -= lastTickLength;
17742 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17743 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17745 blackStartMove = forwardMostMove;
17746 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17749 DisplayBlackClock(blackTimeRemaining - fudge,
17750 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17752 if (CheckFlags()) return;
17754 if(twoBoards) { // count down secondary board's clocks as well
17755 activePartnerTime -= lastTickLength;
17757 if(activePartner == 'W')
17758 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17760 DisplayBlackClock(activePartnerTime, TRUE);
17765 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17766 StartClockTimer(intendedTickLength);
17768 /* if the time remaining has fallen below the alarm threshold, sound the
17769 * alarm. if the alarm has sounded and (due to a takeback or time control
17770 * with increment) the time remaining has increased to a level above the
17771 * threshold, reset the alarm so it can sound again.
17774 if (appData.icsActive && appData.icsAlarm) {
17776 /* make sure we are dealing with the user's clock */
17777 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17778 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17781 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17782 alarmSounded = FALSE;
17783 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17785 alarmSounded = TRUE;
17791 /* A player has just moved, so stop the previously running
17792 clock and (if in clock mode) start the other one.
17793 We redisplay both clocks in case we're in ICS mode, because
17794 ICS gives us an update to both clocks after every move.
17795 Note that this routine is called *after* forwardMostMove
17796 is updated, so the last fractional tick must be subtracted
17797 from the color that is *not* on move now.
17800 SwitchClocks (int newMoveNr)
17802 long lastTickLength;
17804 int flagged = FALSE;
17808 if (StopClockTimer() && appData.clockMode) {
17809 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17810 if (!WhiteOnMove(forwardMostMove)) {
17811 if(blackNPS >= 0) lastTickLength = 0;
17812 blackTimeRemaining -= lastTickLength;
17813 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17814 // if(pvInfoList[forwardMostMove].time == -1)
17815 pvInfoList[forwardMostMove].time = // use GUI time
17816 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17818 if(whiteNPS >= 0) lastTickLength = 0;
17819 whiteTimeRemaining -= lastTickLength;
17820 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17821 // if(pvInfoList[forwardMostMove].time == -1)
17822 pvInfoList[forwardMostMove].time =
17823 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17825 flagged = CheckFlags();
17827 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17828 CheckTimeControl();
17830 if (flagged || !appData.clockMode) return;
17832 switch (gameMode) {
17833 case MachinePlaysBlack:
17834 case MachinePlaysWhite:
17835 case BeginningOfGame:
17836 if (pausing) return;
17840 case PlayFromGameFile:
17848 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17849 if(WhiteOnMove(forwardMostMove))
17850 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17851 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17855 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17856 whiteTimeRemaining : blackTimeRemaining);
17857 StartClockTimer(intendedTickLength);
17861 /* Stop both clocks */
17865 long lastTickLength;
17868 if (!StopClockTimer()) return;
17869 if (!appData.clockMode) return;
17873 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17874 if (WhiteOnMove(forwardMostMove)) {
17875 if(whiteNPS >= 0) lastTickLength = 0;
17876 whiteTimeRemaining -= lastTickLength;
17877 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17879 if(blackNPS >= 0) lastTickLength = 0;
17880 blackTimeRemaining -= lastTickLength;
17881 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17886 /* Start clock of player on move. Time may have been reset, so
17887 if clock is already running, stop and restart it. */
17891 (void) StopClockTimer(); /* in case it was running already */
17892 DisplayBothClocks();
17893 if (CheckFlags()) return;
17895 if (!appData.clockMode) return;
17896 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17898 GetTimeMark(&tickStartTM);
17899 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17900 whiteTimeRemaining : blackTimeRemaining);
17902 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17903 whiteNPS = blackNPS = -1;
17904 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17905 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17906 whiteNPS = first.nps;
17907 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17908 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17909 blackNPS = first.nps;
17910 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17911 whiteNPS = second.nps;
17912 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17913 blackNPS = second.nps;
17914 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17916 StartClockTimer(intendedTickLength);
17920 TimeString (long ms)
17922 long second, minute, hour, day;
17924 static char buf[32];
17926 if (ms > 0 && ms <= 9900) {
17927 /* convert milliseconds to tenths, rounding up */
17928 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17930 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17934 /* convert milliseconds to seconds, rounding up */
17935 /* use floating point to avoid strangeness of integer division
17936 with negative dividends on many machines */
17937 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17944 day = second / (60 * 60 * 24);
17945 second = second % (60 * 60 * 24);
17946 hour = second / (60 * 60);
17947 second = second % (60 * 60);
17948 minute = second / 60;
17949 second = second % 60;
17952 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17953 sign, day, hour, minute, second);
17955 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17957 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17964 * This is necessary because some C libraries aren't ANSI C compliant yet.
17967 StrStr (char *string, char *match)
17971 length = strlen(match);
17973 for (i = strlen(string) - length; i >= 0; i--, string++)
17974 if (!strncmp(match, string, length))
17981 StrCaseStr (char *string, char *match)
17985 length = strlen(match);
17987 for (i = strlen(string) - length; i >= 0; i--, string++) {
17988 for (j = 0; j < length; j++) {
17989 if (ToLower(match[j]) != ToLower(string[j]))
17992 if (j == length) return string;
18000 StrCaseCmp (char *s1, char *s2)
18005 c1 = ToLower(*s1++);
18006 c2 = ToLower(*s2++);
18007 if (c1 > c2) return 1;
18008 if (c1 < c2) return -1;
18009 if (c1 == NULLCHAR) return 0;
18017 return isupper(c) ? tolower(c) : c;
18024 return islower(c) ? toupper(c) : c;
18026 #endif /* !_amigados */
18033 if ((ret = (char *) malloc(strlen(s) + 1)))
18035 safeStrCpy(ret, s, strlen(s)+1);
18041 StrSavePtr (char *s, char **savePtr)
18046 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18047 safeStrCpy(*savePtr, s, strlen(s)+1);
18059 clock = time((time_t *)NULL);
18060 tm = localtime(&clock);
18061 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18062 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18063 return StrSave(buf);
18068 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18070 int i, j, fromX, fromY, toX, toY;
18071 int whiteToPlay, haveRights = nrCastlingRights;
18077 whiteToPlay = (gameMode == EditPosition) ?
18078 !blackPlaysFirst : (move % 2 == 0);
18081 /* Piece placement data */
18082 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18083 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18085 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18086 if (boards[move][i][j] == EmptySquare) {
18088 } else { ChessSquare piece = boards[move][i][j];
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; }
18095 if(PieceToChar(piece) == '+') {
18096 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18098 piece = (ChessSquare)(CHUDEMOTED(piece));
18100 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18101 if(*p = PieceSuffix(piece)) p++;
18103 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18104 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18109 if (emptycount > 0) {
18110 if(emptycount<10) /* [HGM] can be >= 10 */
18111 *p++ = '0' + emptycount;
18112 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18119 /* [HGM] print Crazyhouse or Shogi holdings */
18120 if( gameInfo.holdingsWidth ) {
18121 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18123 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18124 piece = boards[move][i][BOARD_WIDTH-1];
18125 if( piece != EmptySquare )
18126 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18127 *p++ = PieceToChar(piece);
18129 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18130 piece = boards[move][BOARD_HEIGHT-i-1][0];
18131 if( piece != EmptySquare )
18132 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18133 *p++ = PieceToChar(piece);
18136 if( q == p ) *p++ = '-';
18142 *p++ = whiteToPlay ? 'w' : 'b';
18145 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18146 haveRights = 0; q = p;
18147 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18148 piece = boards[move][0][i];
18149 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18150 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18153 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18154 piece = boards[move][BOARD_HEIGHT-1][i];
18155 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18156 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18159 if(p == q) *p++ = '-';
18163 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18164 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18167 int handW=0, handB=0;
18168 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18169 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18170 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18173 if(appData.fischerCastling) {
18174 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18175 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18176 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18178 /* [HGM] write directly from rights */
18179 if(boards[move][CASTLING][2] != NoRights &&
18180 boards[move][CASTLING][0] != NoRights )
18181 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18182 if(boards[move][CASTLING][2] != NoRights &&
18183 boards[move][CASTLING][1] != NoRights )
18184 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18187 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18188 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18190 if(boards[move][CASTLING][5] != NoRights &&
18191 boards[move][CASTLING][3] != NoRights )
18192 *p++ = boards[move][CASTLING][3] + AAA;
18193 if(boards[move][CASTLING][5] != NoRights &&
18194 boards[move][CASTLING][4] != NoRights )
18195 *p++ = boards[move][CASTLING][4] + AAA;
18199 /* [HGM] write true castling rights */
18200 if( nrCastlingRights == 6 ) {
18202 if(boards[move][CASTLING][0] != NoRights &&
18203 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18204 q = (boards[move][CASTLING][1] != NoRights &&
18205 boards[move][CASTLING][2] != NoRights );
18206 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18207 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18208 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18209 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18213 if(boards[move][CASTLING][3] != NoRights &&
18214 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18215 q = (boards[move][CASTLING][4] != NoRights &&
18216 boards[move][CASTLING][5] != NoRights );
18218 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18219 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18220 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18225 if (q == p) *p++ = '-'; /* No castling rights */
18229 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18230 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18231 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18232 /* En passant target square */
18233 if (move > backwardMostMove) {
18234 fromX = moveList[move - 1][0] - AAA;
18235 fromY = moveList[move - 1][1] - ONE;
18236 toX = moveList[move - 1][2] - AAA;
18237 toY = moveList[move - 1][3] - ONE;
18238 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18239 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18240 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18242 /* 2-square pawn move just happened */
18244 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18248 } else if(move == backwardMostMove) {
18249 // [HGM] perhaps we should always do it like this, and forget the above?
18250 if((signed char)boards[move][EP_STATUS] >= 0) {
18251 *p++ = boards[move][EP_STATUS] + AAA;
18252 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18264 { int i = 0, j=move;
18266 /* [HGM] find reversible plies */
18267 if (appData.debugMode) { int k;
18268 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18269 for(k=backwardMostMove; k<=forwardMostMove; k++)
18270 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18274 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18275 if( j == backwardMostMove ) i += initialRulePlies;
18276 sprintf(p, "%d ", i);
18277 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18279 /* Fullmove number */
18280 sprintf(p, "%d", (move / 2) + 1);
18281 } else *--p = NULLCHAR;
18283 return StrSave(buf);
18287 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18289 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18291 int emptycount, virgin[BOARD_FILES];
18292 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18296 /* Piece placement data */
18297 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18300 if (*p == '/' || *p == ' ' || *p == '[' ) {
18302 emptycount = gameInfo.boardWidth - j;
18303 while (emptycount--)
18304 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18305 if (*p == '/') p++;
18306 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18307 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18308 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18310 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18313 #if(BOARD_FILES >= 10)*0
18314 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18315 p++; emptycount=10;
18316 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18317 while (emptycount--)
18318 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18320 } else if (*p == '*') {
18321 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18322 } else if (isdigit(*p)) {
18323 emptycount = *p++ - '0';
18324 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18325 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18326 while (emptycount--)
18327 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18328 } else if (*p == '<') {
18329 if(i == BOARD_HEIGHT-1) shuffle = 1;
18330 else if (i != 0 || !shuffle) return FALSE;
18332 } else if (shuffle && *p == '>') {
18333 p++; // for now ignore closing shuffle range, and assume rank-end
18334 } else if (*p == '?') {
18335 if (j >= gameInfo.boardWidth) return FALSE;
18336 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18337 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18338 } else if (*p == '+' || isalpha(*p)) {
18339 char *q, *s = SUFFIXES;
18340 if (j >= gameInfo.boardWidth) return FALSE;
18343 if(q = strchr(s, p[1])) p++;
18344 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18345 if(piece == EmptySquare) return FALSE; /* unknown piece */
18346 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18347 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18350 if(q = strchr(s, *p)) p++;
18351 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18354 if(piece==EmptySquare) return FALSE; /* unknown piece */
18355 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18356 piece = (ChessSquare) (PROMOTED(piece));
18357 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18360 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18361 if(piece == king) wKingRank = i;
18362 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18368 while (*p == '/' || *p == ' ') p++;
18370 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18372 /* [HGM] by default clear Crazyhouse holdings, if present */
18373 if(gameInfo.holdingsWidth) {
18374 for(i=0; i<BOARD_HEIGHT; i++) {
18375 board[i][0] = EmptySquare; /* black holdings */
18376 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18377 board[i][1] = (ChessSquare) 0; /* black counts */
18378 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18382 /* [HGM] look for Crazyhouse holdings here */
18383 while(*p==' ') p++;
18384 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18385 int swap=0, wcnt=0, bcnt=0;
18387 if(*p == '<') swap++, p++;
18388 if(*p == '-' ) p++; /* empty holdings */ else {
18389 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18390 /* if we would allow FEN reading to set board size, we would */
18391 /* have to add holdings and shift the board read so far here */
18392 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18394 if((int) piece >= (int) BlackPawn ) {
18395 i = (int)piece - (int)BlackPawn;
18396 i = PieceToNumber((ChessSquare)i);
18397 if( i >= gameInfo.holdingsSize ) return FALSE;
18398 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18399 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18402 i = (int)piece - (int)WhitePawn;
18403 i = PieceToNumber((ChessSquare)i);
18404 if( i >= gameInfo.holdingsSize ) return FALSE;
18405 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18406 board[i][BOARD_WIDTH-2]++; /* black holdings */
18410 if(subst) { // substitute back-rank question marks by holdings pieces
18411 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18412 int k, m, n = bcnt + 1;
18413 if(board[0][j] == ClearBoard) {
18414 if(!wcnt) return FALSE;
18416 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18417 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18418 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18422 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18423 if(!bcnt) return FALSE;
18424 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18425 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18426 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18427 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18438 if(subst) return FALSE; // substitution requested, but no holdings
18440 while(*p == ' ') p++;
18444 if(appData.colorNickNames) {
18445 if( c == appData.colorNickNames[0] ) c = 'w'; else
18446 if( c == appData.colorNickNames[1] ) c = 'b';
18450 *blackPlaysFirst = FALSE;
18453 *blackPlaysFirst = TRUE;
18459 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18460 /* return the extra info in global variiables */
18462 while(*p==' ') p++;
18464 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18465 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18466 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18469 /* set defaults in case FEN is incomplete */
18470 board[EP_STATUS] = EP_UNKNOWN;
18471 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18472 for(i=0; i<nrCastlingRights; i++ ) {
18473 board[CASTLING][i] =
18474 appData.fischerCastling ? NoRights : initialRights[i];
18475 } /* assume possible unless obviously impossible */
18476 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18477 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18478 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18479 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18480 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18481 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18482 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18483 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18486 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18489 while(isalpha(*p)) {
18490 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18491 if(islower(*p)) b |= 1 << (*p++ - 'a');
18495 board[TOUCHED_W] = ~w;
18496 board[TOUCHED_B] = ~b;
18497 while(*p == ' ') p++;
18501 if(nrCastlingRights) {
18503 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18504 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18505 /* castling indicator present, so default becomes no castlings */
18506 for(i=0; i<nrCastlingRights; i++ ) {
18507 board[CASTLING][i] = NoRights;
18510 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18511 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18512 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18513 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18514 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18516 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18517 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18518 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18520 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18521 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18522 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18523 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18524 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18525 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18528 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18529 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18530 board[CASTLING][2] = whiteKingFile;
18531 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18532 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18533 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18536 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18537 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18538 board[CASTLING][2] = whiteKingFile;
18539 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18540 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18541 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18544 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18545 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18546 board[CASTLING][5] = blackKingFile;
18547 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18548 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18549 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18552 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18553 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18554 board[CASTLING][5] = blackKingFile;
18555 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18556 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18557 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18560 default: /* FRC castlings */
18561 if(c >= 'a') { /* black rights */
18562 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18563 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18564 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18565 if(i == BOARD_RGHT) break;
18566 board[CASTLING][5] = i;
18568 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18569 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18571 board[CASTLING][3] = c;
18573 board[CASTLING][4] = c;
18574 } else { /* white rights */
18575 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18576 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18577 if(board[0][i] == WhiteKing) break;
18578 if(i == BOARD_RGHT) break;
18579 board[CASTLING][2] = i;
18580 c -= AAA - 'a' + 'A';
18581 if(board[0][c] >= WhiteKing) break;
18583 board[CASTLING][0] = c;
18585 board[CASTLING][1] = c;
18589 for(i=0; i<nrCastlingRights; i++)
18590 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18591 if(gameInfo.variant == VariantSChess)
18592 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18593 if(fischer && shuffle) appData.fischerCastling = TRUE;
18594 if (appData.debugMode) {
18595 fprintf(debugFP, "FEN castling rights:");
18596 for(i=0; i<nrCastlingRights; i++)
18597 fprintf(debugFP, " %d", board[CASTLING][i]);
18598 fprintf(debugFP, "\n");
18601 while(*p==' ') p++;
18604 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18606 /* read e.p. field in games that know e.p. capture */
18607 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18608 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18609 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18611 p++; board[EP_STATUS] = EP_NONE;
18613 char c = *p++ - AAA;
18615 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18616 if(*p >= '0' && *p <='9') p++;
18617 board[EP_STATUS] = c;
18622 if(sscanf(p, "%d", &i) == 1) {
18623 FENrulePlies = i; /* 50-move ply counter */
18624 /* (The move number is still ignored) */
18631 EditPositionPasteFEN (char *fen)
18634 Board initial_position;
18636 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18637 DisplayError(_("Bad FEN position in clipboard"), 0);
18640 int savedBlackPlaysFirst = blackPlaysFirst;
18641 EditPositionEvent();
18642 blackPlaysFirst = savedBlackPlaysFirst;
18643 CopyBoard(boards[0], initial_position);
18644 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18645 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18646 DisplayBothClocks();
18647 DrawPosition(FALSE, boards[currentMove]);
18652 static char cseq[12] = "\\ ";
18655 set_cont_sequence (char *new_seq)
18660 // handle bad attempts to set the sequence
18662 return 0; // acceptable error - no debug
18664 len = strlen(new_seq);
18665 ret = (len > 0) && (len < sizeof(cseq));
18667 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18668 else if (appData.debugMode)
18669 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18674 reformat a source message so words don't cross the width boundary. internal
18675 newlines are not removed. returns the wrapped size (no null character unless
18676 included in source message). If dest is NULL, only calculate the size required
18677 for the dest buffer. lp argument indicats line position upon entry, and it's
18678 passed back upon exit.
18681 wrap (char *dest, char *src, int count, int width, int *lp)
18683 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18685 cseq_len = strlen(cseq);
18686 old_line = line = *lp;
18687 ansi = len = clen = 0;
18689 for (i=0; i < count; i++)
18691 if (src[i] == '\033')
18694 // if we hit the width, back up
18695 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18697 // store i & len in case the word is too long
18698 old_i = i, old_len = len;
18700 // find the end of the last word
18701 while (i && src[i] != ' ' && src[i] != '\n')
18707 // word too long? restore i & len before splitting it
18708 if ((old_i-i+clen) >= width)
18715 if (i && src[i-1] == ' ')
18718 if (src[i] != ' ' && src[i] != '\n')
18725 // now append the newline and continuation sequence
18730 strncpy(dest+len, cseq, cseq_len);
18738 dest[len] = src[i];
18742 if (src[i] == '\n')
18747 if (dest && appData.debugMode)
18749 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18750 count, width, line, len, *lp);
18751 show_bytes(debugFP, src, count);
18752 fprintf(debugFP, "\ndest: ");
18753 show_bytes(debugFP, dest, len);
18754 fprintf(debugFP, "\n");
18756 *lp = dest ? line : old_line;
18761 // [HGM] vari: routines for shelving variations
18762 Boolean modeRestore = FALSE;
18765 PushInner (int firstMove, int lastMove)
18767 int i, j, nrMoves = lastMove - firstMove;
18769 // push current tail of game on stack
18770 savedResult[storedGames] = gameInfo.result;
18771 savedDetails[storedGames] = gameInfo.resultDetails;
18772 gameInfo.resultDetails = NULL;
18773 savedFirst[storedGames] = firstMove;
18774 savedLast [storedGames] = lastMove;
18775 savedFramePtr[storedGames] = framePtr;
18776 framePtr -= nrMoves; // reserve space for the boards
18777 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18778 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18779 for(j=0; j<MOVE_LEN; j++)
18780 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18781 for(j=0; j<2*MOVE_LEN; j++)
18782 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18783 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18784 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18785 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18786 pvInfoList[firstMove+i-1].depth = 0;
18787 commentList[framePtr+i] = commentList[firstMove+i];
18788 commentList[firstMove+i] = NULL;
18792 forwardMostMove = firstMove; // truncate game so we can start variation
18796 PushTail (int firstMove, int lastMove)
18798 if(appData.icsActive) { // only in local mode
18799 forwardMostMove = currentMove; // mimic old ICS behavior
18802 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18804 PushInner(firstMove, lastMove);
18805 if(storedGames == 1) GreyRevert(FALSE);
18806 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18810 PopInner (Boolean annotate)
18813 char buf[8000], moveBuf[20];
18815 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18816 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18817 nrMoves = savedLast[storedGames] - currentMove;
18820 if(!WhiteOnMove(currentMove))
18821 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18822 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18823 for(i=currentMove; i<forwardMostMove; i++) {
18825 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18826 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18827 strcat(buf, moveBuf);
18828 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18829 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18833 for(i=1; i<=nrMoves; i++) { // copy last variation back
18834 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18835 for(j=0; j<MOVE_LEN; j++)
18836 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18837 for(j=0; j<2*MOVE_LEN; j++)
18838 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18839 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18840 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18841 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18842 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18843 commentList[currentMove+i] = commentList[framePtr+i];
18844 commentList[framePtr+i] = NULL;
18846 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18847 framePtr = savedFramePtr[storedGames];
18848 gameInfo.result = savedResult[storedGames];
18849 if(gameInfo.resultDetails != NULL) {
18850 free(gameInfo.resultDetails);
18852 gameInfo.resultDetails = savedDetails[storedGames];
18853 forwardMostMove = currentMove + nrMoves;
18857 PopTail (Boolean annotate)
18859 if(appData.icsActive) return FALSE; // only in local mode
18860 if(!storedGames) return FALSE; // sanity
18861 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18863 PopInner(annotate);
18864 if(currentMove < forwardMostMove) ForwardEvent(); else
18865 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18867 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18873 { // remove all shelved variations
18875 for(i=0; i<storedGames; i++) {
18876 if(savedDetails[i])
18877 free(savedDetails[i]);
18878 savedDetails[i] = NULL;
18880 for(i=framePtr; i<MAX_MOVES; i++) {
18881 if(commentList[i]) free(commentList[i]);
18882 commentList[i] = NULL;
18884 framePtr = MAX_MOVES-1;
18889 LoadVariation (int index, char *text)
18890 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18891 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18892 int level = 0, move;
18894 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18895 // first find outermost bracketing variation
18896 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18897 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18898 if(*p == '{') wait = '}'; else
18899 if(*p == '[') wait = ']'; else
18900 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18901 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18903 if(*p == wait) wait = NULLCHAR; // closing ]} found
18906 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18907 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18908 end[1] = NULLCHAR; // clip off comment beyond variation
18909 ToNrEvent(currentMove-1);
18910 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18911 // kludge: use ParsePV() to append variation to game
18912 move = currentMove;
18913 ParsePV(start, TRUE, TRUE);
18914 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18915 ClearPremoveHighlights();
18917 ToNrEvent(currentMove+1);
18923 char *p, *q, buf[MSG_SIZ];
18924 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18925 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18926 ParseArgsFromString(buf);
18927 ActivateTheme(TRUE); // also redo colors
18931 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18934 q = appData.themeNames;
18935 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18936 if(appData.useBitmaps) {
18937 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18938 appData.liteBackTextureFile, appData.darkBackTextureFile,
18939 appData.liteBackTextureMode,
18940 appData.darkBackTextureMode );
18942 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18943 Col2Text(2), // lightSquareColor
18944 Col2Text(3) ); // darkSquareColor
18946 if(appData.useBorder) {
18947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18952 if(appData.useFont) {
18953 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18954 appData.renderPiecesWithFont,
18955 appData.fontToPieceTable,
18956 Col2Text(9), // appData.fontBackColorWhite
18957 Col2Text(10) ); // appData.fontForeColorBlack
18959 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18960 appData.pieceDirectory);
18961 if(!appData.pieceDirectory[0])
18962 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18963 Col2Text(0), // whitePieceColor
18964 Col2Text(1) ); // blackPieceColor
18966 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18967 Col2Text(4), // highlightSquareColor
18968 Col2Text(5) ); // premoveHighlightColor
18969 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18970 if(insert != q) insert[-1] = NULLCHAR;
18971 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18974 ActivateTheme(FALSE);