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);
999 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1003 while(q = strchr(p, SLASH)) p = q+1;
1004 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1005 if(engineDir[0] != NULLCHAR) {
1006 ASSIGN(appData.directory[i], engineDir); p = engineName;
1007 } else if(p != engineName) { // derive directory from engine path, when not given
1009 ASSIGN(appData.directory[i], engineName);
1011 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1012 } else { ASSIGN(appData.directory[i], "."); }
1013 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1015 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1016 snprintf(command, MSG_SIZ, "%s %s", p, params);
1019 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1020 ASSIGN(appData.chessProgram[i], p);
1021 appData.isUCI[i] = isUCI;
1022 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1023 appData.hasOwnBookUCI[i] = hasBook;
1024 if(!nickName[0]) useNick = FALSE;
1025 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1029 q = firstChessProgramNames;
1030 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1031 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1032 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1033 quote, p, quote, appData.directory[i],
1034 useNick ? " -fn \"" : "",
1035 useNick ? nickName : "",
1036 useNick ? "\"" : "",
1037 v1 ? " -firstProtocolVersion 1" : "",
1038 hasBook ? "" : " -fNoOwnBookUCI",
1039 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1040 storeVariant ? " -variant " : "",
1041 storeVariant ? VariantName(gameInfo.variant) : "");
1042 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1043 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1044 if(insert != q) insert[-1] = NULLCHAR;
1045 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1047 FloatToFront(&appData.recentEngineList, buf);
1049 ReplaceEngine(cps, i);
1055 int matched, min, sec;
1057 * Parse timeControl resource
1059 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1060 appData.movesPerSession)) {
1062 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1063 DisplayFatalError(buf, 0, 2);
1067 * Parse searchTime resource
1069 if (*appData.searchTime != NULLCHAR) {
1070 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1072 searchTime = min * 60;
1073 } else if (matched == 2) {
1074 searchTime = min * 60 + sec;
1077 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1078 DisplayFatalError(buf, 0, 2);
1087 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1088 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1090 GetTimeMark(&programStartTime);
1091 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1092 appData.seedBase = random() + (random()<<15);
1093 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1095 ClearProgramStats();
1096 programStats.ok_to_send = 1;
1097 programStats.seen_stat = 0;
1100 * Initialize game list
1106 * Internet chess server status
1108 if (appData.icsActive) {
1109 appData.matchMode = FALSE;
1110 appData.matchGames = 0;
1112 appData.noChessProgram = !appData.zippyPlay;
1114 appData.zippyPlay = FALSE;
1115 appData.zippyTalk = FALSE;
1116 appData.noChessProgram = TRUE;
1118 if (*appData.icsHelper != NULLCHAR) {
1119 appData.useTelnet = TRUE;
1120 appData.telnetProgram = appData.icsHelper;
1123 appData.zippyTalk = appData.zippyPlay = FALSE;
1126 /* [AS] Initialize pv info list [HGM] and game state */
1130 for( i=0; i<=framePtr; i++ ) {
1131 pvInfoList[i].depth = -1;
1132 boards[i][EP_STATUS] = EP_NONE;
1133 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1139 /* [AS] Adjudication threshold */
1140 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1142 InitEngine(&first, 0);
1143 InitEngine(&second, 1);
1146 pairing.which = "pairing"; // pairing engine
1147 pairing.pr = NoProc;
1149 pairing.program = appData.pairingEngine;
1150 pairing.host = "localhost";
1153 if (appData.icsActive) {
1154 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1155 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1156 appData.clockMode = FALSE;
1157 first.sendTime = second.sendTime = 0;
1161 /* Override some settings from environment variables, for backward
1162 compatibility. Unfortunately it's not feasible to have the env
1163 vars just set defaults, at least in xboard. Ugh.
1165 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1170 if (!appData.icsActive) {
1174 /* Check for variants that are supported only in ICS mode,
1175 or not at all. Some that are accepted here nevertheless
1176 have bugs; see comments below.
1178 VariantClass variant = StringToVariant(appData.variant);
1180 case VariantBughouse: /* need four players and two boards */
1181 case VariantKriegspiel: /* need to hide pieces and move details */
1182 /* case VariantFischeRandom: (Fabien: moved below) */
1183 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1184 if( (len >= MSG_SIZ) && appData.debugMode )
1185 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1187 DisplayFatalError(buf, 0, 2);
1190 case VariantUnknown:
1191 case VariantLoadable:
1201 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1202 if( (len >= MSG_SIZ) && appData.debugMode )
1203 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1205 DisplayFatalError(buf, 0, 2);
1208 case VariantNormal: /* definitely works! */
1209 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1210 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1213 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1214 case VariantFairy: /* [HGM] TestLegality definitely off! */
1215 case VariantGothic: /* [HGM] should work */
1216 case VariantCapablanca: /* [HGM] should work */
1217 case VariantCourier: /* [HGM] initial forced moves not implemented */
1218 case VariantShogi: /* [HGM] could still mate with pawn drop */
1219 case VariantChu: /* [HGM] experimental */
1220 case VariantKnightmate: /* [HGM] should work */
1221 case VariantCylinder: /* [HGM] untested */
1222 case VariantFalcon: /* [HGM] untested */
1223 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1224 offboard interposition not understood */
1225 case VariantWildCastle: /* pieces not automatically shuffled */
1226 case VariantNoCastle: /* pieces not automatically shuffled */
1227 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1228 case VariantLosers: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantSuicide: /* should work except for win condition,
1231 and doesn't know captures are mandatory */
1232 case VariantGiveaway: /* should work except for win condition,
1233 and doesn't know captures are mandatory */
1234 case VariantTwoKings: /* should work */
1235 case VariantAtomic: /* should work except for win condition */
1236 case Variant3Check: /* should work except for win condition */
1237 case VariantShatranj: /* should work except for all win conditions */
1238 case VariantMakruk: /* should work except for draw countdown */
1239 case VariantASEAN : /* should work except for draw countdown */
1240 case VariantBerolina: /* might work if TestLegality is off */
1241 case VariantCapaRandom: /* should work */
1242 case VariantJanus: /* should work */
1243 case VariantSuper: /* experimental */
1244 case VariantGreat: /* experimental, requires legality testing to be off */
1245 case VariantSChess: /* S-Chess, should work */
1246 case VariantGrand: /* should work */
1247 case VariantSpartan: /* should work */
1248 case VariantLion: /* should work */
1249 case VariantChuChess: /* should work */
1257 NextIntegerFromString (char ** str, long * value)
1262 while( *s == ' ' || *s == '\t' ) {
1268 if( *s >= '0' && *s <= '9' ) {
1269 while( *s >= '0' && *s <= '9' ) {
1270 *value = *value * 10 + (*s - '0');
1283 NextTimeControlFromString (char ** str, long * value)
1286 int result = NextIntegerFromString( str, &temp );
1289 *value = temp * 60; /* Minutes */
1290 if( **str == ':' ) {
1292 result = NextIntegerFromString( str, &temp );
1293 *value += temp; /* Seconds */
1301 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1302 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1303 int result = -1, type = 0; long temp, temp2;
1305 if(**str != ':') return -1; // old params remain in force!
1307 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1308 if( NextIntegerFromString( str, &temp ) ) return -1;
1309 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1312 /* time only: incremental or sudden-death time control */
1313 if(**str == '+') { /* increment follows; read it */
1315 if(**str == '!') type = *(*str)++; // Bronstein TC
1316 if(result = NextIntegerFromString( str, &temp2)) return -1;
1317 *inc = temp2 * 1000;
1318 if(**str == '.') { // read fraction of increment
1319 char *start = ++(*str);
1320 if(result = NextIntegerFromString( str, &temp2)) return -1;
1322 while(start++ < *str) temp2 /= 10;
1326 *moves = 0; *tc = temp * 1000; *incType = type;
1330 (*str)++; /* classical time control */
1331 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1343 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1344 { /* [HGM] get time to add from the multi-session time-control string */
1345 int incType, moves=1; /* kludge to force reading of first session */
1346 long time, increment;
1349 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1351 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1352 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1353 if(movenr == -1) return time; /* last move before new session */
1354 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1355 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1356 if(!moves) return increment; /* current session is incremental */
1357 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1358 } while(movenr >= -1); /* try again for next session */
1360 return 0; // no new time quota on this move
1364 ParseTimeControl (char *tc, float ti, int mps)
1368 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1371 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1372 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1373 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1377 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1379 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1384 snprintf(buf, MSG_SIZ, ":%s", mytc);
1386 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1388 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1393 /* Parse second time control */
1396 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1404 timeControl_2 = tc2 * 1000;
1414 timeControl = tc1 * 1000;
1417 timeIncrement = ti * 1000; /* convert to ms */
1418 movesPerSession = 0;
1421 movesPerSession = mps;
1429 if (appData.debugMode) {
1430 # ifdef __GIT_VERSION
1431 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1433 fprintf(debugFP, "Version: %s\n", programVersion);
1436 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1438 set_cont_sequence(appData.wrapContSeq);
1439 if (appData.matchGames > 0) {
1440 appData.matchMode = TRUE;
1441 } else if (appData.matchMode) {
1442 appData.matchGames = 1;
1444 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1445 appData.matchGames = appData.sameColorGames;
1446 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1447 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1448 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1451 if (appData.noChessProgram || first.protocolVersion == 1) {
1454 /* kludge: allow timeout for initial "feature" commands */
1456 DisplayMessage("", _("Starting chess program"));
1457 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1462 CalculateIndex (int index, int gameNr)
1463 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1465 if(index > 0) return index; // fixed nmber
1466 if(index == 0) return 1;
1467 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1468 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1473 LoadGameOrPosition (int gameNr)
1474 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1475 if (*appData.loadGameFile != NULLCHAR) {
1476 if (!LoadGameFromFile(appData.loadGameFile,
1477 CalculateIndex(appData.loadGameIndex, gameNr),
1478 appData.loadGameFile, FALSE)) {
1479 DisplayFatalError(_("Bad game file"), 0, 1);
1482 } else if (*appData.loadPositionFile != NULLCHAR) {
1483 if (!LoadPositionFromFile(appData.loadPositionFile,
1484 CalculateIndex(appData.loadPositionIndex, gameNr),
1485 appData.loadPositionFile)) {
1486 DisplayFatalError(_("Bad position file"), 0, 1);
1494 ReserveGame (int gameNr, char resChar)
1496 FILE *tf = fopen(appData.tourneyFile, "r+");
1497 char *p, *q, c, buf[MSG_SIZ];
1498 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1499 safeStrCpy(buf, lastMsg, MSG_SIZ);
1500 DisplayMessage(_("Pick new game"), "");
1501 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1502 ParseArgsFromFile(tf);
1503 p = q = appData.results;
1504 if(appData.debugMode) {
1505 char *r = appData.participants;
1506 fprintf(debugFP, "results = '%s'\n", p);
1507 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1508 fprintf(debugFP, "\n");
1510 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1512 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1513 safeStrCpy(q, p, strlen(p) + 2);
1514 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1515 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1516 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1517 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1520 fseek(tf, -(strlen(p)+4), SEEK_END);
1522 if(c != '"') // depending on DOS or Unix line endings we can be one off
1523 fseek(tf, -(strlen(p)+2), SEEK_END);
1524 else fseek(tf, -(strlen(p)+3), SEEK_END);
1525 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1526 DisplayMessage(buf, "");
1527 free(p); appData.results = q;
1528 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1529 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1530 int round = appData.defaultMatchGames * appData.tourneyType;
1531 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1532 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1533 UnloadEngine(&first); // next game belongs to other pairing;
1534 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1536 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1540 MatchEvent (int mode)
1541 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1543 if(matchMode) { // already in match mode: switch it off
1545 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1548 // if(gameMode != BeginningOfGame) {
1549 // DisplayError(_("You can only start a match from the initial position."), 0);
1553 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1554 /* Set up machine vs. machine match */
1556 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1557 if(appData.tourneyFile[0]) {
1559 if(nextGame > appData.matchGames) {
1561 if(strchr(appData.results, '*') == NULL) {
1563 appData.tourneyCycles++;
1564 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1566 NextTourneyGame(-1, &dummy);
1568 if(nextGame <= appData.matchGames) {
1569 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1571 ScheduleDelayedEvent(NextMatchGame, 10000);
1576 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1577 DisplayError(buf, 0);
1578 appData.tourneyFile[0] = 0;
1582 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1583 DisplayFatalError(_("Can't have a match with no chess programs"),
1588 matchGame = roundNr = 1;
1589 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1593 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1596 InitBackEnd3 P((void))
1598 GameMode initialMode;
1602 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1603 !strcmp(appData.variant, "normal") && // no explicit variant request
1604 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1605 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1606 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1607 char c, *q = first.variants, *p = strchr(q, ',');
1608 if(p) *p = NULLCHAR;
1609 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1611 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1612 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1613 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1614 Reset(TRUE, FALSE); // and re-initialize
1619 InitChessProgram(&first, startedFromSetupPosition);
1621 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1622 free(programVersion);
1623 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1624 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1625 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1628 if (appData.icsActive) {
1630 /* [DM] Make a console window if needed [HGM] merged ifs */
1636 if (*appData.icsCommPort != NULLCHAR)
1637 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1638 appData.icsCommPort);
1640 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1641 appData.icsHost, appData.icsPort);
1643 if( (len >= MSG_SIZ) && appData.debugMode )
1644 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1646 DisplayFatalError(buf, err, 1);
1651 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1653 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1654 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1655 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1656 } else if (appData.noChessProgram) {
1662 if (*appData.cmailGameName != NULLCHAR) {
1664 OpenLoopback(&cmailPR);
1666 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1670 DisplayMessage("", "");
1671 if (StrCaseCmp(appData.initialMode, "") == 0) {
1672 initialMode = BeginningOfGame;
1673 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1674 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1675 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1676 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1679 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1680 initialMode = TwoMachinesPlay;
1681 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1682 initialMode = AnalyzeFile;
1683 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1684 initialMode = AnalyzeMode;
1685 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1686 initialMode = MachinePlaysWhite;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1688 initialMode = MachinePlaysBlack;
1689 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1690 initialMode = EditGame;
1691 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1692 initialMode = EditPosition;
1693 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1694 initialMode = Training;
1696 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1697 if( (len >= MSG_SIZ) && appData.debugMode )
1698 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1700 DisplayFatalError(buf, 0, 2);
1704 if (appData.matchMode) {
1705 if(appData.tourneyFile[0]) { // start tourney from command line
1707 if(f = fopen(appData.tourneyFile, "r")) {
1708 ParseArgsFromFile(f); // make sure tourney parmeters re known
1710 appData.clockMode = TRUE;
1712 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1715 } else if (*appData.cmailGameName != NULLCHAR) {
1716 /* Set up cmail mode */
1717 ReloadCmailMsgEvent(TRUE);
1719 /* Set up other modes */
1720 if (initialMode == AnalyzeFile) {
1721 if (*appData.loadGameFile == NULLCHAR) {
1722 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1726 if (*appData.loadGameFile != NULLCHAR) {
1727 (void) LoadGameFromFile(appData.loadGameFile,
1728 appData.loadGameIndex,
1729 appData.loadGameFile, TRUE);
1730 } else if (*appData.loadPositionFile != NULLCHAR) {
1731 (void) LoadPositionFromFile(appData.loadPositionFile,
1732 appData.loadPositionIndex,
1733 appData.loadPositionFile);
1734 /* [HGM] try to make self-starting even after FEN load */
1735 /* to allow automatic setup of fairy variants with wtm */
1736 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1737 gameMode = BeginningOfGame;
1738 setboardSpoiledMachineBlack = 1;
1740 /* [HGM] loadPos: make that every new game uses the setup */
1741 /* from file as long as we do not switch variant */
1742 if(!blackPlaysFirst) {
1743 startedFromPositionFile = TRUE;
1744 CopyBoard(filePosition, boards[0]);
1745 CopyBoard(initialPosition, boards[0]);
1747 } else if(*appData.fen != NULLCHAR) {
1748 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1749 startedFromPositionFile = TRUE;
1753 if (initialMode == AnalyzeMode) {
1754 if (appData.noChessProgram) {
1755 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1758 if (appData.icsActive) {
1759 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1763 } else if (initialMode == AnalyzeFile) {
1764 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1765 ShowThinkingEvent();
1767 AnalysisPeriodicEvent(1);
1768 } else if (initialMode == MachinePlaysWhite) {
1769 if (appData.noChessProgram) {
1770 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1774 if (appData.icsActive) {
1775 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1779 MachineWhiteEvent();
1780 } else if (initialMode == MachinePlaysBlack) {
1781 if (appData.noChessProgram) {
1782 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1786 if (appData.icsActive) {
1787 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1791 MachineBlackEvent();
1792 } else if (initialMode == TwoMachinesPlay) {
1793 if (appData.noChessProgram) {
1794 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1798 if (appData.icsActive) {
1799 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1804 } else if (initialMode == EditGame) {
1806 } else if (initialMode == EditPosition) {
1807 EditPositionEvent();
1808 } else if (initialMode == Training) {
1809 if (*appData.loadGameFile == NULLCHAR) {
1810 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1819 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1821 DisplayBook(current+1);
1823 MoveHistorySet( movelist, first, last, current, pvInfoList );
1825 EvalGraphSet( first, last, current, pvInfoList );
1827 MakeEngineOutputTitle();
1831 * Establish will establish a contact to a remote host.port.
1832 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1833 * used to talk to the host.
1834 * Returns 0 if okay, error code if not.
1841 if (*appData.icsCommPort != NULLCHAR) {
1842 /* Talk to the host through a serial comm port */
1843 return OpenCommPort(appData.icsCommPort, &icsPR);
1845 } else if (*appData.gateway != NULLCHAR) {
1846 if (*appData.remoteShell == NULLCHAR) {
1847 /* Use the rcmd protocol to run telnet program on a gateway host */
1848 snprintf(buf, sizeof(buf), "%s %s %s",
1849 appData.telnetProgram, appData.icsHost, appData.icsPort);
1850 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1853 /* Use the rsh program to run telnet program on a gateway host */
1854 if (*appData.remoteUser == NULLCHAR) {
1855 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1856 appData.gateway, appData.telnetProgram,
1857 appData.icsHost, appData.icsPort);
1859 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1860 appData.remoteShell, appData.gateway,
1861 appData.remoteUser, appData.telnetProgram,
1862 appData.icsHost, appData.icsPort);
1864 return StartChildProcess(buf, "", &icsPR);
1867 } else if (appData.useTelnet) {
1868 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1871 /* TCP socket interface differs somewhat between
1872 Unix and NT; handle details in the front end.
1874 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1879 EscapeExpand (char *p, char *q)
1880 { // [HGM] initstring: routine to shape up string arguments
1881 while(*p++ = *q++) if(p[-1] == '\\')
1883 case 'n': p[-1] = '\n'; break;
1884 case 'r': p[-1] = '\r'; break;
1885 case 't': p[-1] = '\t'; break;
1886 case '\\': p[-1] = '\\'; break;
1887 case 0: *p = 0; return;
1888 default: p[-1] = q[-1]; break;
1893 show_bytes (FILE *fp, char *buf, int count)
1896 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1897 fprintf(fp, "\\%03o", *buf & 0xff);
1906 /* Returns an errno value */
1908 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1910 char buf[8192], *p, *q, *buflim;
1911 int left, newcount, outcount;
1913 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1914 *appData.gateway != NULLCHAR) {
1915 if (appData.debugMode) {
1916 fprintf(debugFP, ">ICS: ");
1917 show_bytes(debugFP, message, count);
1918 fprintf(debugFP, "\n");
1920 return OutputToProcess(pr, message, count, outError);
1923 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1930 if (appData.debugMode) {
1931 fprintf(debugFP, ">ICS: ");
1932 show_bytes(debugFP, buf, newcount);
1933 fprintf(debugFP, "\n");
1935 outcount = OutputToProcess(pr, buf, newcount, outError);
1936 if (outcount < newcount) return -1; /* to be sure */
1943 } else if (((unsigned char) *p) == TN_IAC) {
1944 *q++ = (char) TN_IAC;
1951 if (appData.debugMode) {
1952 fprintf(debugFP, ">ICS: ");
1953 show_bytes(debugFP, buf, newcount);
1954 fprintf(debugFP, "\n");
1956 outcount = OutputToProcess(pr, buf, newcount, outError);
1957 if (outcount < newcount) return -1; /* to be sure */
1962 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1964 int outError, outCount;
1965 static int gotEof = 0;
1968 /* Pass data read from player on to ICS */
1971 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1972 if (outCount < count) {
1973 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1975 if(have_sent_ICS_logon == 2) {
1976 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1977 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 3;
1980 have_sent_ICS_logon = 1;
1981 } else if(have_sent_ICS_logon == 3) {
1982 fprintf(ini, "%s", message);
1984 have_sent_ICS_logon = 1;
1986 } else if (count < 0) {
1987 RemoveInputSource(isr);
1988 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1989 } else if (gotEof++ > 0) {
1990 RemoveInputSource(isr);
1991 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1997 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1998 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1999 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2000 SendToICS("date\n");
2001 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2004 /* added routine for printf style output to ics */
2006 ics_printf (char *format, ...)
2008 char buffer[MSG_SIZ];
2011 va_start(args, format);
2012 vsnprintf(buffer, sizeof(buffer), format, args);
2013 buffer[sizeof(buffer)-1] = '\0';
2021 int count, outCount, outError;
2023 if (icsPR == NoProc) return;
2026 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2027 if (outCount < count) {
2028 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2032 /* This is used for sending logon scripts to the ICS. Sending
2033 without a delay causes problems when using timestamp on ICC
2034 (at least on my machine). */
2036 SendToICSDelayed (char *s, long msdelay)
2038 int count, outCount, outError;
2040 if (icsPR == NoProc) return;
2043 if (appData.debugMode) {
2044 fprintf(debugFP, ">ICS: ");
2045 show_bytes(debugFP, s, count);
2046 fprintf(debugFP, "\n");
2048 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2050 if (outCount < count) {
2051 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2056 /* Remove all highlighting escape sequences in s
2057 Also deletes any suffix starting with '('
2060 StripHighlightAndTitle (char *s)
2062 static char retbuf[MSG_SIZ];
2065 while (*s != NULLCHAR) {
2066 while (*s == '\033') {
2067 while (*s != NULLCHAR && !isalpha(*s)) s++;
2068 if (*s != NULLCHAR) s++;
2070 while (*s != NULLCHAR && *s != '\033') {
2071 if (*s == '(' || *s == '[') {
2082 /* Remove all highlighting escape sequences in s */
2084 StripHighlight (char *s)
2086 static char retbuf[MSG_SIZ];
2089 while (*s != NULLCHAR) {
2090 while (*s == '\033') {
2091 while (*s != NULLCHAR && !isalpha(*s)) s++;
2092 if (*s != NULLCHAR) s++;
2094 while (*s != NULLCHAR && *s != '\033') {
2102 char engineVariant[MSG_SIZ];
2103 char *variantNames[] = VARIANT_NAMES;
2105 VariantName (VariantClass v)
2107 if(v == VariantUnknown || *engineVariant) return engineVariant;
2108 return variantNames[v];
2112 /* Identify a variant from the strings the chess servers use or the
2113 PGN Variant tag names we use. */
2115 StringToVariant (char *e)
2119 VariantClass v = VariantNormal;
2120 int i, found = FALSE;
2121 char buf[MSG_SIZ], c;
2126 /* [HGM] skip over optional board-size prefixes */
2127 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2128 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2129 while( *e++ != '_');
2132 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2136 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2137 if (p = StrCaseStr(e, variantNames[i])) {
2138 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2139 v = (VariantClass) i;
2146 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2147 || StrCaseStr(e, "wild/fr")
2148 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2149 v = VariantFischeRandom;
2150 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2151 (i = 1, p = StrCaseStr(e, "w"))) {
2153 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2160 case 0: /* FICS only, actually */
2162 /* Castling legal even if K starts on d-file */
2163 v = VariantWildCastle;
2168 /* Castling illegal even if K & R happen to start in
2169 normal positions. */
2170 v = VariantNoCastle;
2183 /* Castling legal iff K & R start in normal positions */
2189 /* Special wilds for position setup; unclear what to do here */
2190 v = VariantLoadable;
2193 /* Bizarre ICC game */
2194 v = VariantTwoKings;
2197 v = VariantKriegspiel;
2203 v = VariantFischeRandom;
2206 v = VariantCrazyhouse;
2209 v = VariantBughouse;
2215 /* Not quite the same as FICS suicide! */
2216 v = VariantGiveaway;
2222 v = VariantShatranj;
2225 /* Temporary names for future ICC types. The name *will* change in
2226 the next xboard/WinBoard release after ICC defines it. */
2264 v = VariantCapablanca;
2267 v = VariantKnightmate;
2273 v = VariantCylinder;
2279 v = VariantCapaRandom;
2282 v = VariantBerolina;
2294 /* Found "wild" or "w" in the string but no number;
2295 must assume it's normal chess. */
2299 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2300 if( (len >= MSG_SIZ) && appData.debugMode )
2301 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2303 DisplayError(buf, 0);
2309 if (appData.debugMode) {
2310 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2311 e, wnum, VariantName(v));
2316 static int leftover_start = 0, leftover_len = 0;
2317 char star_match[STAR_MATCH_N][MSG_SIZ];
2319 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2320 advance *index beyond it, and set leftover_start to the new value of
2321 *index; else return FALSE. If pattern contains the character '*', it
2322 matches any sequence of characters not containing '\r', '\n', or the
2323 character following the '*' (if any), and the matched sequence(s) are
2324 copied into star_match.
2327 looking_at ( char *buf, int *index, char *pattern)
2329 char *bufp = &buf[*index], *patternp = pattern;
2331 char *matchp = star_match[0];
2334 if (*patternp == NULLCHAR) {
2335 *index = leftover_start = bufp - buf;
2339 if (*bufp == NULLCHAR) return FALSE;
2340 if (*patternp == '*') {
2341 if (*bufp == *(patternp + 1)) {
2343 matchp = star_match[++star_count];
2347 } else if (*bufp == '\n' || *bufp == '\r') {
2349 if (*patternp == NULLCHAR)
2354 *matchp++ = *bufp++;
2358 if (*patternp != *bufp) return FALSE;
2365 SendToPlayer (char *data, int length)
2367 int error, outCount;
2368 outCount = OutputToProcess(NoProc, data, length, &error);
2369 if (outCount < length) {
2370 DisplayFatalError(_("Error writing to display"), error, 1);
2375 PackHolding (char packed[], char *holding)
2385 switch (runlength) {
2396 sprintf(q, "%d", runlength);
2408 /* Telnet protocol requests from the front end */
2410 TelnetRequest (unsigned char ddww, unsigned char option)
2412 unsigned char msg[3];
2413 int outCount, outError;
2415 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2417 if (appData.debugMode) {
2418 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2434 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2443 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2446 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2451 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2453 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2460 if (!appData.icsActive) return;
2461 TelnetRequest(TN_DO, TN_ECHO);
2467 if (!appData.icsActive) return;
2468 TelnetRequest(TN_DONT, TN_ECHO);
2472 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2474 /* put the holdings sent to us by the server on the board holdings area */
2475 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2479 if(gameInfo.holdingsWidth < 2) return;
2480 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2481 return; // prevent overwriting by pre-board holdings
2483 if( (int)lowestPiece >= BlackPawn ) {
2486 holdingsStartRow = BOARD_HEIGHT-1;
2489 holdingsColumn = BOARD_WIDTH-1;
2490 countsColumn = BOARD_WIDTH-2;
2491 holdingsStartRow = 0;
2495 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2496 board[i][holdingsColumn] = EmptySquare;
2497 board[i][countsColumn] = (ChessSquare) 0;
2499 while( (p=*holdings++) != NULLCHAR ) {
2500 piece = CharToPiece( ToUpper(p) );
2501 if(piece == EmptySquare) continue;
2502 /*j = (int) piece - (int) WhitePawn;*/
2503 j = PieceToNumber(piece);
2504 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2505 if(j < 0) continue; /* should not happen */
2506 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2507 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2508 board[holdingsStartRow+j*direction][countsColumn]++;
2514 VariantSwitch (Board board, VariantClass newVariant)
2516 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2517 static Board oldBoard;
2519 startedFromPositionFile = FALSE;
2520 if(gameInfo.variant == newVariant) return;
2522 /* [HGM] This routine is called each time an assignment is made to
2523 * gameInfo.variant during a game, to make sure the board sizes
2524 * are set to match the new variant. If that means adding or deleting
2525 * holdings, we shift the playing board accordingly
2526 * This kludge is needed because in ICS observe mode, we get boards
2527 * of an ongoing game without knowing the variant, and learn about the
2528 * latter only later. This can be because of the move list we requested,
2529 * in which case the game history is refilled from the beginning anyway,
2530 * but also when receiving holdings of a crazyhouse game. In the latter
2531 * case we want to add those holdings to the already received position.
2535 if (appData.debugMode) {
2536 fprintf(debugFP, "Switch board from %s to %s\n",
2537 VariantName(gameInfo.variant), VariantName(newVariant));
2538 setbuf(debugFP, NULL);
2540 shuffleOpenings = 0; /* [HGM] shuffle */
2541 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2545 newWidth = 9; newHeight = 9;
2546 gameInfo.holdingsSize = 7;
2547 case VariantBughouse:
2548 case VariantCrazyhouse:
2549 newHoldingsWidth = 2; break;
2553 newHoldingsWidth = 2;
2554 gameInfo.holdingsSize = 8;
2557 case VariantCapablanca:
2558 case VariantCapaRandom:
2561 newHoldingsWidth = gameInfo.holdingsSize = 0;
2564 if(newWidth != gameInfo.boardWidth ||
2565 newHeight != gameInfo.boardHeight ||
2566 newHoldingsWidth != gameInfo.holdingsWidth ) {
2568 /* shift position to new playing area, if needed */
2569 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2570 for(i=0; i<BOARD_HEIGHT; i++)
2571 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2572 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2574 for(i=0; i<newHeight; i++) {
2575 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2576 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2578 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2579 for(i=0; i<BOARD_HEIGHT; i++)
2580 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2581 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2584 board[HOLDINGS_SET] = 0;
2585 gameInfo.boardWidth = newWidth;
2586 gameInfo.boardHeight = newHeight;
2587 gameInfo.holdingsWidth = newHoldingsWidth;
2588 gameInfo.variant = newVariant;
2589 InitDrawingSizes(-2, 0);
2590 } else gameInfo.variant = newVariant;
2591 CopyBoard(oldBoard, board); // remember correctly formatted board
2592 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2593 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2596 static int loggedOn = FALSE;
2598 /*-- Game start info cache: --*/
2600 char gs_kind[MSG_SIZ];
2601 static char player1Name[128] = "";
2602 static char player2Name[128] = "";
2603 static char cont_seq[] = "\n\\ ";
2604 static int player1Rating = -1;
2605 static int player2Rating = -1;
2606 /*----------------------------*/
2608 ColorClass curColor = ColorNormal;
2609 int suppressKibitz = 0;
2612 Boolean soughtPending = FALSE;
2613 Boolean seekGraphUp;
2614 #define MAX_SEEK_ADS 200
2616 char *seekAdList[MAX_SEEK_ADS];
2617 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2618 float tcList[MAX_SEEK_ADS];
2619 char colorList[MAX_SEEK_ADS];
2620 int nrOfSeekAds = 0;
2621 int minRating = 1010, maxRating = 2800;
2622 int hMargin = 10, vMargin = 20, h, w;
2623 extern int squareSize, lineGap;
2628 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2629 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2630 if(r < minRating+100 && r >=0 ) r = minRating+100;
2631 if(r > maxRating) r = maxRating;
2632 if(tc < 1.f) tc = 1.f;
2633 if(tc > 95.f) tc = 95.f;
2634 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2635 y = ((double)r - minRating)/(maxRating - minRating)
2636 * (h-vMargin-squareSize/8-1) + vMargin;
2637 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2638 if(strstr(seekAdList[i], " u ")) color = 1;
2639 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2640 !strstr(seekAdList[i], "bullet") &&
2641 !strstr(seekAdList[i], "blitz") &&
2642 !strstr(seekAdList[i], "standard") ) color = 2;
2643 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2644 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2648 PlotSingleSeekAd (int i)
2654 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2656 char buf[MSG_SIZ], *ext = "";
2657 VariantClass v = StringToVariant(type);
2658 if(strstr(type, "wild")) {
2659 ext = type + 4; // append wild number
2660 if(v == VariantFischeRandom) type = "chess960"; else
2661 if(v == VariantLoadable) type = "setup"; else
2662 type = VariantName(v);
2664 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2665 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2666 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2667 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2668 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2669 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2670 seekNrList[nrOfSeekAds] = nr;
2671 zList[nrOfSeekAds] = 0;
2672 seekAdList[nrOfSeekAds++] = StrSave(buf);
2673 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2678 EraseSeekDot (int i)
2680 int x = xList[i], y = yList[i], d=squareSize/4, k;
2681 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2682 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2683 // now replot every dot that overlapped
2684 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2685 int xx = xList[k], yy = yList[k];
2686 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2687 DrawSeekDot(xx, yy, colorList[k]);
2692 RemoveSeekAd (int nr)
2695 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2697 if(seekAdList[i]) free(seekAdList[i]);
2698 seekAdList[i] = seekAdList[--nrOfSeekAds];
2699 seekNrList[i] = seekNrList[nrOfSeekAds];
2700 ratingList[i] = ratingList[nrOfSeekAds];
2701 colorList[i] = colorList[nrOfSeekAds];
2702 tcList[i] = tcList[nrOfSeekAds];
2703 xList[i] = xList[nrOfSeekAds];
2704 yList[i] = yList[nrOfSeekAds];
2705 zList[i] = zList[nrOfSeekAds];
2706 seekAdList[nrOfSeekAds] = NULL;
2712 MatchSoughtLine (char *line)
2714 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2715 int nr, base, inc, u=0; char dummy;
2717 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2718 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2720 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2721 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2722 // match: compact and save the line
2723 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2733 if(!seekGraphUp) return FALSE;
2734 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2735 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2737 DrawSeekBackground(0, 0, w, h);
2738 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2739 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2740 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2741 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2743 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2746 snprintf(buf, MSG_SIZ, "%d", i);
2747 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2750 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2751 for(i=1; i<100; i+=(i<10?1:5)) {
2752 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2753 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2754 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2756 snprintf(buf, MSG_SIZ, "%d", i);
2757 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2760 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2765 SeekGraphClick (ClickType click, int x, int y, int moving)
2767 static int lastDown = 0, displayed = 0, lastSecond;
2768 if(y < 0) return FALSE;
2769 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2770 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2771 if(!seekGraphUp) return FALSE;
2772 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2773 DrawPosition(TRUE, NULL);
2776 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2777 if(click == Release || moving) return FALSE;
2779 soughtPending = TRUE;
2780 SendToICS(ics_prefix);
2781 SendToICS("sought\n"); // should this be "sought all"?
2782 } else { // issue challenge based on clicked ad
2783 int dist = 10000; int i, closest = 0, second = 0;
2784 for(i=0; i<nrOfSeekAds; i++) {
2785 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2786 if(d < dist) { dist = d; closest = i; }
2787 second += (d - zList[i] < 120); // count in-range ads
2788 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2792 second = (second > 1);
2793 if(displayed != closest || second != lastSecond) {
2794 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2795 lastSecond = second; displayed = closest;
2797 if(click == Press) {
2798 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2801 } // on press 'hit', only show info
2802 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2803 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2804 SendToICS(ics_prefix);
2806 return TRUE; // let incoming board of started game pop down the graph
2807 } else if(click == Release) { // release 'miss' is ignored
2808 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2809 if(moving == 2) { // right up-click
2810 nrOfSeekAds = 0; // refresh graph
2811 soughtPending = TRUE;
2812 SendToICS(ics_prefix);
2813 SendToICS("sought\n"); // should this be "sought all"?
2816 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2817 // press miss or release hit 'pop down' seek graph
2818 seekGraphUp = FALSE;
2819 DrawPosition(TRUE, NULL);
2825 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2827 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2828 #define STARTED_NONE 0
2829 #define STARTED_MOVES 1
2830 #define STARTED_BOARD 2
2831 #define STARTED_OBSERVE 3
2832 #define STARTED_HOLDINGS 4
2833 #define STARTED_CHATTER 5
2834 #define STARTED_COMMENT 6
2835 #define STARTED_MOVES_NOHIDE 7
2837 static int started = STARTED_NONE;
2838 static char parse[20000];
2839 static int parse_pos = 0;
2840 static char buf[BUF_SIZE + 1];
2841 static int firstTime = TRUE, intfSet = FALSE;
2842 static ColorClass prevColor = ColorNormal;
2843 static int savingComment = FALSE;
2844 static int cmatch = 0; // continuation sequence match
2851 int backup; /* [DM] For zippy color lines */
2853 char talker[MSG_SIZ]; // [HGM] chat
2854 int channel, collective=0;
2856 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2858 if (appData.debugMode) {
2860 fprintf(debugFP, "<ICS: ");
2861 show_bytes(debugFP, data, count);
2862 fprintf(debugFP, "\n");
2866 if (appData.debugMode) { int f = forwardMostMove;
2867 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2868 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2869 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2872 /* If last read ended with a partial line that we couldn't parse,
2873 prepend it to the new read and try again. */
2874 if (leftover_len > 0) {
2875 for (i=0; i<leftover_len; i++)
2876 buf[i] = buf[leftover_start + i];
2879 /* copy new characters into the buffer */
2880 bp = buf + leftover_len;
2881 buf_len=leftover_len;
2882 for (i=0; i<count; i++)
2885 if (data[i] == '\r')
2888 // join lines split by ICS?
2889 if (!appData.noJoin)
2892 Joining just consists of finding matches against the
2893 continuation sequence, and discarding that sequence
2894 if found instead of copying it. So, until a match
2895 fails, there's nothing to do since it might be the
2896 complete sequence, and thus, something we don't want
2899 if (data[i] == cont_seq[cmatch])
2902 if (cmatch == strlen(cont_seq))
2904 cmatch = 0; // complete match. just reset the counter
2907 it's possible for the ICS to not include the space
2908 at the end of the last word, making our [correct]
2909 join operation fuse two separate words. the server
2910 does this when the space occurs at the width setting.
2912 if (!buf_len || buf[buf_len-1] != ' ')
2923 match failed, so we have to copy what matched before
2924 falling through and copying this character. In reality,
2925 this will only ever be just the newline character, but
2926 it doesn't hurt to be precise.
2928 strncpy(bp, cont_seq, cmatch);
2940 buf[buf_len] = NULLCHAR;
2941 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2946 while (i < buf_len) {
2947 /* Deal with part of the TELNET option negotiation
2948 protocol. We refuse to do anything beyond the
2949 defaults, except that we allow the WILL ECHO option,
2950 which ICS uses to turn off password echoing when we are
2951 directly connected to it. We reject this option
2952 if localLineEditing mode is on (always on in xboard)
2953 and we are talking to port 23, which might be a real
2954 telnet server that will try to keep WILL ECHO on permanently.
2956 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2957 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2958 unsigned char option;
2960 switch ((unsigned char) buf[++i]) {
2962 if (appData.debugMode)
2963 fprintf(debugFP, "\n<WILL ");
2964 switch (option = (unsigned char) buf[++i]) {
2966 if (appData.debugMode)
2967 fprintf(debugFP, "ECHO ");
2968 /* Reply only if this is a change, according
2969 to the protocol rules. */
2970 if (remoteEchoOption) break;
2971 if (appData.localLineEditing &&
2972 atoi(appData.icsPort) == TN_PORT) {
2973 TelnetRequest(TN_DONT, TN_ECHO);
2976 TelnetRequest(TN_DO, TN_ECHO);
2977 remoteEchoOption = TRUE;
2981 if (appData.debugMode)
2982 fprintf(debugFP, "%d ", option);
2983 /* Whatever this is, we don't want it. */
2984 TelnetRequest(TN_DONT, option);
2989 if (appData.debugMode)
2990 fprintf(debugFP, "\n<WONT ");
2991 switch (option = (unsigned char) buf[++i]) {
2993 if (appData.debugMode)
2994 fprintf(debugFP, "ECHO ");
2995 /* Reply only if this is a change, according
2996 to the protocol rules. */
2997 if (!remoteEchoOption) break;
2999 TelnetRequest(TN_DONT, TN_ECHO);
3000 remoteEchoOption = FALSE;
3003 if (appData.debugMode)
3004 fprintf(debugFP, "%d ", (unsigned char) option);
3005 /* Whatever this is, it must already be turned
3006 off, because we never agree to turn on
3007 anything non-default, so according to the
3008 protocol rules, we don't reply. */
3013 if (appData.debugMode)
3014 fprintf(debugFP, "\n<DO ");
3015 switch (option = (unsigned char) buf[++i]) {
3017 /* Whatever this is, we refuse to do it. */
3018 if (appData.debugMode)
3019 fprintf(debugFP, "%d ", option);
3020 TelnetRequest(TN_WONT, option);
3025 if (appData.debugMode)
3026 fprintf(debugFP, "\n<DONT ");
3027 switch (option = (unsigned char) buf[++i]) {
3029 if (appData.debugMode)
3030 fprintf(debugFP, "%d ", option);
3031 /* Whatever this is, we are already not doing
3032 it, because we never agree to do anything
3033 non-default, so according to the protocol
3034 rules, we don't reply. */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<IAC ");
3041 /* Doubled IAC; pass it through */
3045 if (appData.debugMode)
3046 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3047 /* Drop all other telnet commands on the floor */
3050 if (oldi > next_out)
3051 SendToPlayer(&buf[next_out], oldi - next_out);
3057 /* OK, this at least will *usually* work */
3058 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3062 if (loggedOn && !intfSet) {
3063 if (ics_type == ICS_ICC) {
3064 snprintf(str, MSG_SIZ,
3065 "/set-quietly interface %s\n/set-quietly style 12\n",
3067 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3068 strcat(str, "/set-2 51 1\n/set seek 1\n");
3069 } else if (ics_type == ICS_CHESSNET) {
3070 snprintf(str, MSG_SIZ, "/style 12\n");
3072 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3073 strcat(str, programVersion);
3074 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3075 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3076 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3078 strcat(str, "$iset nohighlight 1\n");
3080 strcat(str, "$iset lock 1\n$style 12\n");
3083 NotifyFrontendLogin();
3087 if (started == STARTED_COMMENT) {
3088 /* Accumulate characters in comment */
3089 parse[parse_pos++] = buf[i];
3090 if (buf[i] == '\n') {
3091 parse[parse_pos] = NULLCHAR;
3092 if(chattingPartner>=0) {
3094 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3095 OutputChatMessage(chattingPartner, mess);
3096 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3098 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3099 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3100 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3101 OutputChatMessage(p, mess);
3105 chattingPartner = -1;
3106 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3109 if(!suppressKibitz) // [HGM] kibitz
3110 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3111 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3112 int nrDigit = 0, nrAlph = 0, j;
3113 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3114 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3115 parse[parse_pos] = NULLCHAR;
3116 // try to be smart: if it does not look like search info, it should go to
3117 // ICS interaction window after all, not to engine-output window.
3118 for(j=0; j<parse_pos; j++) { // count letters and digits
3119 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3120 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3121 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3123 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3124 int depth=0; float score;
3125 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3126 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3127 pvInfoList[forwardMostMove-1].depth = depth;
3128 pvInfoList[forwardMostMove-1].score = 100*score;
3130 OutputKibitz(suppressKibitz, parse);
3133 if(gameMode == IcsObserving) // restore original ICS messages
3134 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3135 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3137 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3138 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3139 SendToPlayer(tmp, strlen(tmp));
3141 next_out = i+1; // [HGM] suppress printing in ICS window
3143 started = STARTED_NONE;
3145 /* Don't match patterns against characters in comment */
3150 if (started == STARTED_CHATTER) {
3151 if (buf[i] != '\n') {
3152 /* Don't match patterns against characters in chatter */
3156 started = STARTED_NONE;
3157 if(suppressKibitz) next_out = i+1;
3160 /* Kludge to deal with rcmd protocol */
3161 if (firstTime && looking_at(buf, &i, "\001*")) {
3162 DisplayFatalError(&buf[1], 0, 1);
3168 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3175 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3176 ics_type = ICS_FICS;
3178 if (appData.debugMode)
3179 fprintf(debugFP, "ics_type %d\n", ics_type);
3182 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3183 ics_type = ICS_CHESSNET;
3185 if (appData.debugMode)
3186 fprintf(debugFP, "ics_type %d\n", ics_type);
3191 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3192 looking_at(buf, &i, "Logging you in as \"*\"") ||
3193 looking_at(buf, &i, "will be \"*\""))) {
3194 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3198 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3200 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3201 DisplayIcsInteractionTitle(buf);
3202 have_set_title = TRUE;
3205 /* skip finger notes */
3206 if (started == STARTED_NONE &&
3207 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3208 (buf[i] == '1' && buf[i+1] == '0')) &&
3209 buf[i+2] == ':' && buf[i+3] == ' ') {
3210 started = STARTED_CHATTER;
3216 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3217 if(appData.seekGraph) {
3218 if(soughtPending && MatchSoughtLine(buf+i)) {
3219 i = strstr(buf+i, "rated") - buf;
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 next_out = leftover_start = i;
3222 started = STARTED_CHATTER;
3223 suppressKibitz = TRUE;
3226 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3227 && looking_at(buf, &i, "* ads displayed")) {
3228 soughtPending = FALSE;
3233 if(appData.autoRefresh) {
3234 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3235 int s = (ics_type == ICS_ICC); // ICC format differs
3237 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3238 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3239 looking_at(buf, &i, "*% "); // eat prompt
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 next_out = i; // suppress
3245 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3246 char *p = star_match[0];
3248 if(seekGraphUp) RemoveSeekAd(atoi(p));
3249 while(*p && *p++ != ' '); // next
3251 looking_at(buf, &i, "*% "); // eat prompt
3252 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3259 /* skip formula vars */
3260 if (started == STARTED_NONE &&
3261 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3262 started = STARTED_CHATTER;
3267 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3268 if (appData.autoKibitz && started == STARTED_NONE &&
3269 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3270 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3271 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3272 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3273 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3274 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3275 suppressKibitz = TRUE;
3276 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3278 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3279 && (gameMode == IcsPlayingWhite)) ||
3280 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3281 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3282 started = STARTED_CHATTER; // own kibitz we simply discard
3284 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3285 parse_pos = 0; parse[0] = NULLCHAR;
3286 savingComment = TRUE;
3287 suppressKibitz = gameMode != IcsObserving ? 2 :
3288 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3292 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3293 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3294 && atoi(star_match[0])) {
3295 // suppress the acknowledgements of our own autoKibitz
3297 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3298 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3299 SendToPlayer(star_match[0], strlen(star_match[0]));
3300 if(looking_at(buf, &i, "*% ")) // eat prompt
3301 suppressKibitz = FALSE;
3305 } // [HGM] kibitz: end of patch
3307 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3309 // [HGM] chat: intercept tells by users for which we have an open chat window
3311 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3312 looking_at(buf, &i, "* whispers:") ||
3313 looking_at(buf, &i, "* kibitzes:") ||
3314 looking_at(buf, &i, "* shouts:") ||
3315 looking_at(buf, &i, "* c-shouts:") ||
3316 looking_at(buf, &i, "--> * ") ||
3317 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3318 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3319 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3322 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3323 chattingPartner = -1; collective = 0;
3325 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3326 for(p=0; p<MAX_CHAT; p++) {
3328 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3329 talker[0] = '['; strcat(talker, "] ");
3330 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3331 chattingPartner = p; break;
3334 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3335 for(p=0; p<MAX_CHAT; p++) {
3337 if(!strcmp("kibitzes", chatPartner[p])) {
3338 talker[0] = '['; strcat(talker, "] ");
3339 chattingPartner = p; break;
3342 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3343 for(p=0; p<MAX_CHAT; p++) {
3345 if(!strcmp("whispers", chatPartner[p])) {
3346 talker[0] = '['; strcat(talker, "] ");
3347 chattingPartner = p; break;
3350 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3351 if(buf[i-8] == '-' && buf[i-3] == 't')
3352 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3354 if(!strcmp("c-shouts", chatPartner[p])) {
3355 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3356 chattingPartner = p; break;
3359 if(chattingPartner < 0)
3360 for(p=0; p<MAX_CHAT; p++) {
3362 if(!strcmp("shouts", chatPartner[p])) {
3363 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3364 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3365 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3366 chattingPartner = p; break;
3370 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3371 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3373 Colorize(ColorTell, FALSE);
3374 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3376 chattingPartner = p; break;
3378 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3379 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3380 started = STARTED_COMMENT;
3381 parse_pos = 0; parse[0] = NULLCHAR;
3382 savingComment = 3 + chattingPartner; // counts as TRUE
3383 if(collective == 3) i = oldi; else {
3384 suppressKibitz = TRUE;
3385 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3386 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3390 } // [HGM] chat: end of patch
3393 if (appData.zippyTalk || appData.zippyPlay) {
3394 /* [DM] Backup address for color zippy lines */
3396 if (loggedOn == TRUE)
3397 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3398 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3400 } // [DM] 'else { ' deleted
3402 /* Regular tells and says */
3403 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3404 looking_at(buf, &i, "* (your partner) tells you: ") ||
3405 looking_at(buf, &i, "* says: ") ||
3406 /* Don't color "message" or "messages" output */
3407 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3408 looking_at(buf, &i, "*. * at *:*: ") ||
3409 looking_at(buf, &i, "--* (*:*): ") ||
3410 /* Message notifications (same color as tells) */
3411 looking_at(buf, &i, "* has left a message ") ||
3412 looking_at(buf, &i, "* just sent you a message:\n") ||
3413 /* Whispers and kibitzes */
3414 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3415 looking_at(buf, &i, "* kibitzes: ") ||
3417 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3419 if (tkind == 1 && strchr(star_match[0], ':')) {
3420 /* Avoid "tells you:" spoofs in channels */
3423 if (star_match[0][0] == NULLCHAR ||
3424 strchr(star_match[0], ' ') ||
3425 (tkind == 3 && strchr(star_match[1], ' '))) {
3426 /* Reject bogus matches */
3429 if (appData.colorize) {
3430 if (oldi > next_out) {
3431 SendToPlayer(&buf[next_out], oldi - next_out);
3436 Colorize(ColorTell, FALSE);
3437 curColor = ColorTell;
3440 Colorize(ColorKibitz, FALSE);
3441 curColor = ColorKibitz;
3444 p = strrchr(star_match[1], '(');
3451 Colorize(ColorChannel1, FALSE);
3452 curColor = ColorChannel1;
3454 Colorize(ColorChannel, FALSE);
3455 curColor = ColorChannel;
3459 curColor = ColorNormal;
3463 if (started == STARTED_NONE && appData.autoComment &&
3464 (gameMode == IcsObserving ||
3465 gameMode == IcsPlayingWhite ||
3466 gameMode == IcsPlayingBlack)) {
3467 parse_pos = i - oldi;
3468 memcpy(parse, &buf[oldi], parse_pos);
3469 parse[parse_pos] = NULLCHAR;
3470 started = STARTED_COMMENT;
3471 savingComment = TRUE;
3472 } else if(collective != 3) {
3473 started = STARTED_CHATTER;
3474 savingComment = FALSE;
3481 if (looking_at(buf, &i, "* s-shouts: ") ||
3482 looking_at(buf, &i, "* c-shouts: ")) {
3483 if (appData.colorize) {
3484 if (oldi > next_out) {
3485 SendToPlayer(&buf[next_out], oldi - next_out);
3488 Colorize(ColorSShout, FALSE);
3489 curColor = ColorSShout;
3492 started = STARTED_CHATTER;
3496 if (looking_at(buf, &i, "--->")) {
3501 if (looking_at(buf, &i, "* shouts: ") ||
3502 looking_at(buf, &i, "--> ")) {
3503 if (appData.colorize) {
3504 if (oldi > next_out) {
3505 SendToPlayer(&buf[next_out], oldi - next_out);
3508 Colorize(ColorShout, FALSE);
3509 curColor = ColorShout;
3512 started = STARTED_CHATTER;
3516 if (looking_at( buf, &i, "Challenge:")) {
3517 if (appData.colorize) {
3518 if (oldi > next_out) {
3519 SendToPlayer(&buf[next_out], oldi - next_out);
3522 Colorize(ColorChallenge, FALSE);
3523 curColor = ColorChallenge;
3529 if (looking_at(buf, &i, "* offers you") ||
3530 looking_at(buf, &i, "* offers to be") ||
3531 looking_at(buf, &i, "* would like to") ||
3532 looking_at(buf, &i, "* requests to") ||
3533 looking_at(buf, &i, "Your opponent offers") ||
3534 looking_at(buf, &i, "Your opponent requests")) {
3536 if (appData.colorize) {
3537 if (oldi > next_out) {
3538 SendToPlayer(&buf[next_out], oldi - next_out);
3541 Colorize(ColorRequest, FALSE);
3542 curColor = ColorRequest;
3547 if (looking_at(buf, &i, "* (*) seeking")) {
3548 if (appData.colorize) {
3549 if (oldi > next_out) {
3550 SendToPlayer(&buf[next_out], oldi - next_out);
3553 Colorize(ColorSeek, FALSE);
3554 curColor = ColorSeek;
3559 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3561 if (looking_at(buf, &i, "\\ ")) {
3562 if (prevColor != ColorNormal) {
3563 if (oldi > next_out) {
3564 SendToPlayer(&buf[next_out], oldi - next_out);
3567 Colorize(prevColor, TRUE);
3568 curColor = prevColor;
3570 if (savingComment) {
3571 parse_pos = i - oldi;
3572 memcpy(parse, &buf[oldi], parse_pos);
3573 parse[parse_pos] = NULLCHAR;
3574 started = STARTED_COMMENT;
3575 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3576 chattingPartner = savingComment - 3; // kludge to remember the box
3578 started = STARTED_CHATTER;
3583 if (looking_at(buf, &i, "Black Strength :") ||
3584 looking_at(buf, &i, "<<< style 10 board >>>") ||
3585 looking_at(buf, &i, "<10>") ||
3586 looking_at(buf, &i, "#@#")) {
3587 /* Wrong board style */
3589 SendToICS(ics_prefix);
3590 SendToICS("set style 12\n");
3591 SendToICS(ics_prefix);
3592 SendToICS("refresh\n");
3596 if (looking_at(buf, &i, "login:")) {
3597 if (!have_sent_ICS_logon) {
3599 have_sent_ICS_logon = 1;
3600 else // no init script was found
3601 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3602 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3603 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3608 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3609 (looking_at(buf, &i, "\n<12> ") ||
3610 looking_at(buf, &i, "<12> "))) {
3612 if (oldi > next_out) {
3613 SendToPlayer(&buf[next_out], oldi - next_out);
3616 started = STARTED_BOARD;
3621 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3622 looking_at(buf, &i, "<b1> ")) {
3623 if (oldi > next_out) {
3624 SendToPlayer(&buf[next_out], oldi - next_out);
3627 started = STARTED_HOLDINGS;
3632 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3634 /* Header for a move list -- first line */
3636 switch (ics_getting_history) {
3640 case BeginningOfGame:
3641 /* User typed "moves" or "oldmoves" while we
3642 were idle. Pretend we asked for these
3643 moves and soak them up so user can step
3644 through them and/or save them.
3647 gameMode = IcsObserving;
3650 ics_getting_history = H_GOT_UNREQ_HEADER;
3652 case EditGame: /*?*/
3653 case EditPosition: /*?*/
3654 /* Should above feature work in these modes too? */
3655 /* For now it doesn't */
3656 ics_getting_history = H_GOT_UNWANTED_HEADER;
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3664 /* Is this the right one? */
3665 if (gameInfo.white && gameInfo.black &&
3666 strcmp(gameInfo.white, star_match[0]) == 0 &&
3667 strcmp(gameInfo.black, star_match[2]) == 0) {
3669 ics_getting_history = H_GOT_REQ_HEADER;
3672 case H_GOT_REQ_HEADER:
3673 case H_GOT_UNREQ_HEADER:
3674 case H_GOT_UNWANTED_HEADER:
3675 case H_GETTING_MOVES:
3676 /* Should not happen */
3677 DisplayError(_("Error gathering move list: two headers"), 0);
3678 ics_getting_history = H_FALSE;
3682 /* Save player ratings into gameInfo if needed */
3683 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3684 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3685 (gameInfo.whiteRating == -1 ||
3686 gameInfo.blackRating == -1)) {
3688 gameInfo.whiteRating = string_to_rating(star_match[1]);
3689 gameInfo.blackRating = string_to_rating(star_match[3]);
3690 if (appData.debugMode)
3691 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3692 gameInfo.whiteRating, gameInfo.blackRating);
3697 if (looking_at(buf, &i,
3698 "* * match, initial time: * minute*, increment: * second")) {
3699 /* Header for a move list -- second line */
3700 /* Initial board will follow if this is a wild game */
3701 if (gameInfo.event != NULL) free(gameInfo.event);
3702 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3703 gameInfo.event = StrSave(str);
3704 /* [HGM] we switched variant. Translate boards if needed. */
3705 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3709 if (looking_at(buf, &i, "Move ")) {
3710 /* Beginning of a move list */
3711 switch (ics_getting_history) {
3713 /* Normally should not happen */
3714 /* Maybe user hit reset while we were parsing */
3717 /* Happens if we are ignoring a move list that is not
3718 * the one we just requested. Common if the user
3719 * tries to observe two games without turning off
3722 case H_GETTING_MOVES:
3723 /* Should not happen */
3724 DisplayError(_("Error gathering move list: nested"), 0);
3725 ics_getting_history = H_FALSE;
3727 case H_GOT_REQ_HEADER:
3728 ics_getting_history = H_GETTING_MOVES;
3729 started = STARTED_MOVES;
3731 if (oldi > next_out) {
3732 SendToPlayer(&buf[next_out], oldi - next_out);
3735 case H_GOT_UNREQ_HEADER:
3736 ics_getting_history = H_GETTING_MOVES;
3737 started = STARTED_MOVES_NOHIDE;
3740 case H_GOT_UNWANTED_HEADER:
3741 ics_getting_history = H_FALSE;
3747 if (looking_at(buf, &i, "% ") ||
3748 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3749 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3750 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3751 soughtPending = FALSE;
3755 if(suppressKibitz) next_out = i;
3756 savingComment = FALSE;
3760 case STARTED_MOVES_NOHIDE:
3761 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3762 parse[parse_pos + i - oldi] = NULLCHAR;
3763 ParseGameHistory(parse);
3765 if (appData.zippyPlay && first.initDone) {
3766 FeedMovesToProgram(&first, forwardMostMove);
3767 if (gameMode == IcsPlayingWhite) {
3768 if (WhiteOnMove(forwardMostMove)) {
3769 if (first.sendTime) {
3770 if (first.useColors) {
3771 SendToProgram("black\n", &first);
3773 SendTimeRemaining(&first, TRUE);
3775 if (first.useColors) {
3776 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3778 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3779 first.maybeThinking = TRUE;
3781 if (first.usePlayother) {
3782 if (first.sendTime) {
3783 SendTimeRemaining(&first, TRUE);
3785 SendToProgram("playother\n", &first);
3791 } else if (gameMode == IcsPlayingBlack) {
3792 if (!WhiteOnMove(forwardMostMove)) {
3793 if (first.sendTime) {
3794 if (first.useColors) {
3795 SendToProgram("white\n", &first);
3797 SendTimeRemaining(&first, FALSE);
3799 if (first.useColors) {
3800 SendToProgram("black\n", &first);
3802 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3803 first.maybeThinking = TRUE;
3805 if (first.usePlayother) {
3806 if (first.sendTime) {
3807 SendTimeRemaining(&first, FALSE);
3809 SendToProgram("playother\n", &first);
3818 if (gameMode == IcsObserving && ics_gamenum == -1) {
3819 /* Moves came from oldmoves or moves command
3820 while we weren't doing anything else.
3822 currentMove = forwardMostMove;
3823 ClearHighlights();/*!!could figure this out*/
3824 flipView = appData.flipView;
3825 DrawPosition(TRUE, boards[currentMove]);
3826 DisplayBothClocks();
3827 snprintf(str, MSG_SIZ, "%s %s %s",
3828 gameInfo.white, _("vs."), gameInfo.black);
3832 /* Moves were history of an active game */
3833 if (gameInfo.resultDetails != NULL) {
3834 free(gameInfo.resultDetails);
3835 gameInfo.resultDetails = NULL;
3838 HistorySet(parseList, backwardMostMove,
3839 forwardMostMove, currentMove-1);
3840 DisplayMove(currentMove - 1);
3841 if (started == STARTED_MOVES) next_out = i;
3842 started = STARTED_NONE;
3843 ics_getting_history = H_FALSE;
3846 case STARTED_OBSERVE:
3847 started = STARTED_NONE;
3848 SendToICS(ics_prefix);
3849 SendToICS("refresh\n");
3855 if(bookHit) { // [HGM] book: simulate book reply
3856 static char bookMove[MSG_SIZ]; // a bit generous?
3858 programStats.nodes = programStats.depth = programStats.time =
3859 programStats.score = programStats.got_only_move = 0;
3860 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3862 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3863 strcat(bookMove, bookHit);
3864 HandleMachineMove(bookMove, &first);
3869 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3870 started == STARTED_HOLDINGS ||
3871 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3872 /* Accumulate characters in move list or board */
3873 parse[parse_pos++] = buf[i];
3876 /* Start of game messages. Mostly we detect start of game
3877 when the first board image arrives. On some versions
3878 of the ICS, though, we need to do a "refresh" after starting
3879 to observe in order to get the current board right away. */
3880 if (looking_at(buf, &i, "Adding game * to observation list")) {
3881 started = STARTED_OBSERVE;
3885 /* Handle auto-observe */
3886 if (appData.autoObserve &&
3887 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3888 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3890 /* Choose the player that was highlighted, if any. */
3891 if (star_match[0][0] == '\033' ||
3892 star_match[1][0] != '\033') {
3893 player = star_match[0];
3895 player = star_match[2];
3897 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3898 ics_prefix, StripHighlightAndTitle(player));
3901 /* Save ratings from notify string */
3902 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3903 player1Rating = string_to_rating(star_match[1]);
3904 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3905 player2Rating = string_to_rating(star_match[3]);
3907 if (appData.debugMode)
3909 "Ratings from 'Game notification:' %s %d, %s %d\n",
3910 player1Name, player1Rating,
3911 player2Name, player2Rating);
3916 /* Deal with automatic examine mode after a game,
3917 and with IcsObserving -> IcsExamining transition */
3918 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3919 looking_at(buf, &i, "has made you an examiner of game *")) {
3921 int gamenum = atoi(star_match[0]);
3922 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3923 gamenum == ics_gamenum) {
3924 /* We were already playing or observing this game;
3925 no need to refetch history */
3926 gameMode = IcsExamining;
3928 pauseExamForwardMostMove = forwardMostMove;
3929 } else if (currentMove < forwardMostMove) {
3930 ForwardInner(forwardMostMove);
3933 /* I don't think this case really can happen */
3934 SendToICS(ics_prefix);
3935 SendToICS("refresh\n");
3940 /* Error messages */
3941 // if (ics_user_moved) {
3942 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3943 if (looking_at(buf, &i, "Illegal move") ||
3944 looking_at(buf, &i, "Not a legal move") ||
3945 looking_at(buf, &i, "Your king is in check") ||
3946 looking_at(buf, &i, "It isn't your turn") ||
3947 looking_at(buf, &i, "It is not your move")) {
3949 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3950 currentMove = forwardMostMove-1;
3951 DisplayMove(currentMove - 1); /* before DMError */
3952 DrawPosition(FALSE, boards[currentMove]);
3953 SwitchClocks(forwardMostMove-1); // [HGM] race
3954 DisplayBothClocks();
3956 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3962 if (looking_at(buf, &i, "still have time") ||
3963 looking_at(buf, &i, "not out of time") ||
3964 looking_at(buf, &i, "either player is out of time") ||
3965 looking_at(buf, &i, "has timeseal; checking")) {
3966 /* We must have called his flag a little too soon */
3967 whiteFlag = blackFlag = FALSE;
3971 if (looking_at(buf, &i, "added * seconds to") ||
3972 looking_at(buf, &i, "seconds were added to")) {
3973 /* Update the clocks */
3974 SendToICS(ics_prefix);
3975 SendToICS("refresh\n");
3979 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3980 ics_clock_paused = TRUE;
3985 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3986 ics_clock_paused = FALSE;
3991 /* Grab player ratings from the Creating: message.
3992 Note we have to check for the special case when
3993 the ICS inserts things like [white] or [black]. */
3994 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3995 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3997 0 player 1 name (not necessarily white)
3999 2 empty, white, or black (IGNORED)
4000 3 player 2 name (not necessarily black)
4003 The names/ratings are sorted out when the game
4004 actually starts (below).
4006 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4007 player1Rating = string_to_rating(star_match[1]);
4008 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4009 player2Rating = string_to_rating(star_match[4]);
4011 if (appData.debugMode)
4013 "Ratings from 'Creating:' %s %d, %s %d\n",
4014 player1Name, player1Rating,
4015 player2Name, player2Rating);
4020 /* Improved generic start/end-of-game messages */
4021 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4022 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4023 /* If tkind == 0: */
4024 /* star_match[0] is the game number */
4025 /* [1] is the white player's name */
4026 /* [2] is the black player's name */
4027 /* For end-of-game: */
4028 /* [3] is the reason for the game end */
4029 /* [4] is a PGN end game-token, preceded by " " */
4030 /* For start-of-game: */
4031 /* [3] begins with "Creating" or "Continuing" */
4032 /* [4] is " *" or empty (don't care). */
4033 int gamenum = atoi(star_match[0]);
4034 char *whitename, *blackname, *why, *endtoken;
4035 ChessMove endtype = EndOfFile;
4038 whitename = star_match[1];
4039 blackname = star_match[2];
4040 why = star_match[3];
4041 endtoken = star_match[4];
4043 whitename = star_match[1];
4044 blackname = star_match[3];
4045 why = star_match[5];
4046 endtoken = star_match[6];
4049 /* Game start messages */
4050 if (strncmp(why, "Creating ", 9) == 0 ||
4051 strncmp(why, "Continuing ", 11) == 0) {
4052 gs_gamenum = gamenum;
4053 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4054 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4055 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4057 if (appData.zippyPlay) {
4058 ZippyGameStart(whitename, blackname);
4061 partnerBoardValid = FALSE; // [HGM] bughouse
4065 /* Game end messages */
4066 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4067 ics_gamenum != gamenum) {
4070 while (endtoken[0] == ' ') endtoken++;
4071 switch (endtoken[0]) {
4074 endtype = GameUnfinished;
4077 endtype = BlackWins;
4080 if (endtoken[1] == '/')
4081 endtype = GameIsDrawn;
4083 endtype = WhiteWins;
4086 GameEnds(endtype, why, GE_ICS);
4088 if (appData.zippyPlay && first.initDone) {
4089 ZippyGameEnd(endtype, why);
4090 if (first.pr == NoProc) {
4091 /* Start the next process early so that we'll
4092 be ready for the next challenge */
4093 StartChessProgram(&first);
4095 /* Send "new" early, in case this command takes
4096 a long time to finish, so that we'll be ready
4097 for the next challenge. */
4098 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4102 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4106 if (looking_at(buf, &i, "Removing game * from observation") ||
4107 looking_at(buf, &i, "no longer observing game *") ||
4108 looking_at(buf, &i, "Game * (*) has no examiners")) {
4109 if (gameMode == IcsObserving &&
4110 atoi(star_match[0]) == ics_gamenum)
4112 /* icsEngineAnalyze */
4113 if (appData.icsEngineAnalyze) {
4120 ics_user_moved = FALSE;
4125 if (looking_at(buf, &i, "no longer examining game *")) {
4126 if (gameMode == IcsExamining &&
4127 atoi(star_match[0]) == ics_gamenum)
4131 ics_user_moved = FALSE;
4136 /* Advance leftover_start past any newlines we find,
4137 so only partial lines can get reparsed */
4138 if (looking_at(buf, &i, "\n")) {
4139 prevColor = curColor;
4140 if (curColor != ColorNormal) {
4141 if (oldi > next_out) {
4142 SendToPlayer(&buf[next_out], oldi - next_out);
4145 Colorize(ColorNormal, FALSE);
4146 curColor = ColorNormal;
4148 if (started == STARTED_BOARD) {
4149 started = STARTED_NONE;
4150 parse[parse_pos] = NULLCHAR;
4151 ParseBoard12(parse);
4154 /* Send premove here */
4155 if (appData.premove) {
4157 if (currentMove == 0 &&
4158 gameMode == IcsPlayingWhite &&
4159 appData.premoveWhite) {
4160 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4161 if (appData.debugMode)
4162 fprintf(debugFP, "Sending premove:\n");
4164 } else if (currentMove == 1 &&
4165 gameMode == IcsPlayingBlack &&
4166 appData.premoveBlack) {
4167 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4168 if (appData.debugMode)
4169 fprintf(debugFP, "Sending premove:\n");
4171 } else if (gotPremove) {
4172 int oldFMM = forwardMostMove;
4174 ClearPremoveHighlights();
4175 if (appData.debugMode)
4176 fprintf(debugFP, "Sending premove:\n");
4177 UserMoveEvent(premoveFromX, premoveFromY,
4178 premoveToX, premoveToY,
4180 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4181 if(moveList[oldFMM-1][1] != '@')
4182 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4183 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4185 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4190 /* Usually suppress following prompt */
4191 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4192 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4193 if (looking_at(buf, &i, "*% ")) {
4194 savingComment = FALSE;
4199 } else if (started == STARTED_HOLDINGS) {
4201 char new_piece[MSG_SIZ];
4202 started = STARTED_NONE;
4203 parse[parse_pos] = NULLCHAR;
4204 if (appData.debugMode)
4205 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4206 parse, currentMove);
4207 if (sscanf(parse, " game %d", &gamenum) == 1) {
4208 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4209 if (gameInfo.variant == VariantNormal) {
4210 /* [HGM] We seem to switch variant during a game!
4211 * Presumably no holdings were displayed, so we have
4212 * to move the position two files to the right to
4213 * create room for them!
4215 VariantClass newVariant;
4216 switch(gameInfo.boardWidth) { // base guess on board width
4217 case 9: newVariant = VariantShogi; break;
4218 case 10: newVariant = VariantGreat; break;
4219 default: newVariant = VariantCrazyhouse; break;
4221 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4222 /* Get a move list just to see the header, which
4223 will tell us whether this is really bug or zh */
4224 if (ics_getting_history == H_FALSE) {
4225 ics_getting_history = H_REQUESTED;
4226 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4230 new_piece[0] = NULLCHAR;
4231 sscanf(parse, "game %d white [%s black [%s <- %s",
4232 &gamenum, white_holding, black_holding,
4234 white_holding[strlen(white_holding)-1] = NULLCHAR;
4235 black_holding[strlen(black_holding)-1] = NULLCHAR;
4236 /* [HGM] copy holdings to board holdings area */
4237 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4238 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4239 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4241 if (appData.zippyPlay && first.initDone) {
4242 ZippyHoldings(white_holding, black_holding,
4246 if (tinyLayout || smallLayout) {
4247 char wh[16], bh[16];
4248 PackHolding(wh, white_holding);
4249 PackHolding(bh, black_holding);
4250 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4251 gameInfo.white, gameInfo.black);
4253 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4254 gameInfo.white, white_holding, _("vs."),
4255 gameInfo.black, black_holding);
4257 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4258 DrawPosition(FALSE, boards[currentMove]);
4260 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4261 sscanf(parse, "game %d white [%s black [%s <- %s",
4262 &gamenum, white_holding, black_holding,
4264 white_holding[strlen(white_holding)-1] = NULLCHAR;
4265 black_holding[strlen(black_holding)-1] = NULLCHAR;
4266 /* [HGM] copy holdings to partner-board holdings area */
4267 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4268 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4269 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4270 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4271 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4274 /* Suppress following prompt */
4275 if (looking_at(buf, &i, "*% ")) {
4276 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4277 savingComment = FALSE;
4285 i++; /* skip unparsed character and loop back */
4288 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4289 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4290 // SendToPlayer(&buf[next_out], i - next_out);
4291 started != STARTED_HOLDINGS && leftover_start > next_out) {
4292 SendToPlayer(&buf[next_out], leftover_start - next_out);
4296 leftover_len = buf_len - leftover_start;
4297 /* if buffer ends with something we couldn't parse,
4298 reparse it after appending the next read */
4300 } else if (count == 0) {
4301 RemoveInputSource(isr);
4302 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4304 DisplayFatalError(_("Error reading from ICS"), error, 1);
4309 /* Board style 12 looks like this:
4311 <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
4313 * The "<12> " is stripped before it gets to this routine. The two
4314 * trailing 0's (flip state and clock ticking) are later addition, and
4315 * some chess servers may not have them, or may have only the first.
4316 * Additional trailing fields may be added in the future.
4319 #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"
4321 #define RELATION_OBSERVING_PLAYED 0
4322 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4323 #define RELATION_PLAYING_MYMOVE 1
4324 #define RELATION_PLAYING_NOTMYMOVE -1
4325 #define RELATION_EXAMINING 2
4326 #define RELATION_ISOLATED_BOARD -3
4327 #define RELATION_STARTING_POSITION -4 /* FICS only */
4330 ParseBoard12 (char *string)
4334 char *bookHit = NULL; // [HGM] book
4336 GameMode newGameMode;
4337 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4338 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4339 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4340 char to_play, board_chars[200];
4341 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4342 char black[32], white[32];
4344 int prevMove = currentMove;
4347 int fromX, fromY, toX, toY;
4349 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4350 Boolean weird = FALSE, reqFlag = FALSE;
4352 fromX = fromY = toX = toY = -1;
4356 if (appData.debugMode)
4357 fprintf(debugFP, "Parsing board: %s\n", string);
4359 move_str[0] = NULLCHAR;
4360 elapsed_time[0] = NULLCHAR;
4361 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4363 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4364 if(string[i] == ' ') { ranks++; files = 0; }
4366 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4369 for(j = 0; j <i; j++) board_chars[j] = string[j];
4370 board_chars[i] = '\0';
4373 n = sscanf(string, PATTERN, &to_play, &double_push,
4374 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4375 &gamenum, white, black, &relation, &basetime, &increment,
4376 &white_stren, &black_stren, &white_time, &black_time,
4377 &moveNum, str, elapsed_time, move_str, &ics_flip,
4381 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4382 DisplayError(str, 0);
4386 /* Convert the move number to internal form */
4387 moveNum = (moveNum - 1) * 2;
4388 if (to_play == 'B') moveNum++;
4389 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4390 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4396 case RELATION_OBSERVING_PLAYED:
4397 case RELATION_OBSERVING_STATIC:
4398 if (gamenum == -1) {
4399 /* Old ICC buglet */
4400 relation = RELATION_OBSERVING_STATIC;
4402 newGameMode = IcsObserving;
4404 case RELATION_PLAYING_MYMOVE:
4405 case RELATION_PLAYING_NOTMYMOVE:
4407 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4408 IcsPlayingWhite : IcsPlayingBlack;
4409 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4411 case RELATION_EXAMINING:
4412 newGameMode = IcsExamining;
4414 case RELATION_ISOLATED_BOARD:
4416 /* Just display this board. If user was doing something else,
4417 we will forget about it until the next board comes. */
4418 newGameMode = IcsIdle;
4420 case RELATION_STARTING_POSITION:
4421 newGameMode = gameMode;
4425 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4426 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4427 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4428 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4429 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4430 static int lastBgGame = -1;
4432 for (k = 0; k < ranks; k++) {
4433 for (j = 0; j < files; j++)
4434 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4435 if(gameInfo.holdingsWidth > 1) {
4436 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4437 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4440 CopyBoard(partnerBoard, board);
4441 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4442 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4443 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4444 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4445 if(toSqr = strchr(str, '-')) {
4446 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4447 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4448 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4449 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4450 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4451 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4453 DisplayWhiteClock(white_time*fac, to_play == 'W');
4454 DisplayBlackClock(black_time*fac, to_play != 'W');
4455 activePartner = to_play;
4456 if(gamenum != lastBgGame) {
4458 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4461 lastBgGame = gamenum;
4462 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4463 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4464 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4465 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4466 if(!twoBoards) DisplayMessage(partnerStatus, "");
4467 partnerBoardValid = TRUE;
4471 if(appData.dualBoard && appData.bgObserve) {
4472 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4473 SendToICS(ics_prefix), SendToICS("pobserve\n");
4474 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4476 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4481 /* Modify behavior for initial board display on move listing
4484 switch (ics_getting_history) {
4488 case H_GOT_REQ_HEADER:
4489 case H_GOT_UNREQ_HEADER:
4490 /* This is the initial position of the current game */
4491 gamenum = ics_gamenum;
4492 moveNum = 0; /* old ICS bug workaround */
4493 if (to_play == 'B') {
4494 startedFromSetupPosition = TRUE;
4495 blackPlaysFirst = TRUE;
4497 if (forwardMostMove == 0) forwardMostMove = 1;
4498 if (backwardMostMove == 0) backwardMostMove = 1;
4499 if (currentMove == 0) currentMove = 1;
4501 newGameMode = gameMode;
4502 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4504 case H_GOT_UNWANTED_HEADER:
4505 /* This is an initial board that we don't want */
4507 case H_GETTING_MOVES:
4508 /* Should not happen */
4509 DisplayError(_("Error gathering move list: extra board"), 0);
4510 ics_getting_history = H_FALSE;
4514 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4515 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4516 weird && (int)gameInfo.variant < (int)VariantShogi) {
4517 /* [HGM] We seem to have switched variant unexpectedly
4518 * Try to guess new variant from board size
4520 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4521 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4522 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4523 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4524 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4525 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4526 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4527 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4528 /* Get a move list just to see the header, which
4529 will tell us whether this is really bug or zh */
4530 if (ics_getting_history == H_FALSE) {
4531 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4532 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4537 /* Take action if this is the first board of a new game, or of a
4538 different game than is currently being displayed. */
4539 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4540 relation == RELATION_ISOLATED_BOARD) {
4542 /* Forget the old game and get the history (if any) of the new one */
4543 if (gameMode != BeginningOfGame) {
4547 if (appData.autoRaiseBoard) BoardToTop();
4549 if (gamenum == -1) {
4550 newGameMode = IcsIdle;
4551 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4552 appData.getMoveList && !reqFlag) {
4553 /* Need to get game history */
4554 ics_getting_history = H_REQUESTED;
4555 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4559 /* Initially flip the board to have black on the bottom if playing
4560 black or if the ICS flip flag is set, but let the user change
4561 it with the Flip View button. */
4562 flipView = appData.autoFlipView ?
4563 (newGameMode == IcsPlayingBlack) || ics_flip :
4566 /* Done with values from previous mode; copy in new ones */
4567 gameMode = newGameMode;
4569 ics_gamenum = gamenum;
4570 if (gamenum == gs_gamenum) {
4571 int klen = strlen(gs_kind);
4572 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4573 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4574 gameInfo.event = StrSave(str);
4576 gameInfo.event = StrSave("ICS game");
4578 gameInfo.site = StrSave(appData.icsHost);
4579 gameInfo.date = PGNDate();
4580 gameInfo.round = StrSave("-");
4581 gameInfo.white = StrSave(white);
4582 gameInfo.black = StrSave(black);
4583 timeControl = basetime * 60 * 1000;
4585 timeIncrement = increment * 1000;
4586 movesPerSession = 0;
4587 gameInfo.timeControl = TimeControlTagValue();
4588 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4589 if (appData.debugMode) {
4590 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4591 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4592 setbuf(debugFP, NULL);
4595 gameInfo.outOfBook = NULL;
4597 /* Do we have the ratings? */
4598 if (strcmp(player1Name, white) == 0 &&
4599 strcmp(player2Name, black) == 0) {
4600 if (appData.debugMode)
4601 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4602 player1Rating, player2Rating);
4603 gameInfo.whiteRating = player1Rating;
4604 gameInfo.blackRating = player2Rating;
4605 } else if (strcmp(player2Name, white) == 0 &&
4606 strcmp(player1Name, black) == 0) {
4607 if (appData.debugMode)
4608 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4609 player2Rating, player1Rating);
4610 gameInfo.whiteRating = player2Rating;
4611 gameInfo.blackRating = player1Rating;
4613 player1Name[0] = player2Name[0] = NULLCHAR;
4615 /* Silence shouts if requested */
4616 if (appData.quietPlay &&
4617 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4618 SendToICS(ics_prefix);
4619 SendToICS("set shout 0\n");
4623 /* Deal with midgame name changes */
4625 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4626 if (gameInfo.white) free(gameInfo.white);
4627 gameInfo.white = StrSave(white);
4629 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4630 if (gameInfo.black) free(gameInfo.black);
4631 gameInfo.black = StrSave(black);
4635 /* Throw away game result if anything actually changes in examine mode */
4636 if (gameMode == IcsExamining && !newGame) {
4637 gameInfo.result = GameUnfinished;
4638 if (gameInfo.resultDetails != NULL) {
4639 free(gameInfo.resultDetails);
4640 gameInfo.resultDetails = NULL;
4644 /* In pausing && IcsExamining mode, we ignore boards coming
4645 in if they are in a different variation than we are. */
4646 if (pauseExamInvalid) return;
4647 if (pausing && gameMode == IcsExamining) {
4648 if (moveNum <= pauseExamForwardMostMove) {
4649 pauseExamInvalid = TRUE;
4650 forwardMostMove = pauseExamForwardMostMove;
4655 if (appData.debugMode) {
4656 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4658 /* Parse the board */
4659 for (k = 0; k < ranks; k++) {
4660 for (j = 0; j < files; j++)
4661 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4662 if(gameInfo.holdingsWidth > 1) {
4663 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4664 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4667 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4668 board[5][BOARD_RGHT+1] = WhiteAngel;
4669 board[6][BOARD_RGHT+1] = WhiteMarshall;
4670 board[1][0] = BlackMarshall;
4671 board[2][0] = BlackAngel;
4672 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4674 CopyBoard(boards[moveNum], board);
4675 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4677 startedFromSetupPosition =
4678 !CompareBoards(board, initialPosition);
4679 if(startedFromSetupPosition)
4680 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4683 /* [HGM] Set castling rights. Take the outermost Rooks,
4684 to make it also work for FRC opening positions. Note that board12
4685 is really defective for later FRC positions, as it has no way to
4686 indicate which Rook can castle if they are on the same side of King.
4687 For the initial position we grant rights to the outermost Rooks,
4688 and remember thos rights, and we then copy them on positions
4689 later in an FRC game. This means WB might not recognize castlings with
4690 Rooks that have moved back to their original position as illegal,
4691 but in ICS mode that is not its job anyway.
4693 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4694 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4696 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4697 if(board[0][i] == WhiteRook) j = i;
4698 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4699 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4700 if(board[0][i] == WhiteRook) j = i;
4701 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4702 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4703 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4704 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4706 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4707 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4709 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4710 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4711 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4712 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4713 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4714 if(board[BOARD_HEIGHT-1][k] == bKing)
4715 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4716 if(gameInfo.variant == VariantTwoKings) {
4717 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4718 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4719 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4722 r = boards[moveNum][CASTLING][0] = initialRights[0];
4723 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4724 r = boards[moveNum][CASTLING][1] = initialRights[1];
4725 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4726 r = boards[moveNum][CASTLING][3] = initialRights[3];
4727 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4728 r = boards[moveNum][CASTLING][4] = initialRights[4];
4729 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4730 /* wildcastle kludge: always assume King has rights */
4731 r = boards[moveNum][CASTLING][2] = initialRights[2];
4732 r = boards[moveNum][CASTLING][5] = initialRights[5];
4734 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4735 boards[moveNum][EP_STATUS] = EP_NONE;
4736 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4737 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4738 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4741 if (ics_getting_history == H_GOT_REQ_HEADER ||
4742 ics_getting_history == H_GOT_UNREQ_HEADER) {
4743 /* This was an initial position from a move list, not
4744 the current position */
4748 /* Update currentMove and known move number limits */
4749 newMove = newGame || moveNum > forwardMostMove;
4752 forwardMostMove = backwardMostMove = currentMove = moveNum;
4753 if (gameMode == IcsExamining && moveNum == 0) {
4754 /* Workaround for ICS limitation: we are not told the wild
4755 type when starting to examine a game. But if we ask for
4756 the move list, the move list header will tell us */
4757 ics_getting_history = H_REQUESTED;
4758 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4761 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4762 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4764 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4765 /* [HGM] applied this also to an engine that is silently watching */
4766 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4767 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4768 gameInfo.variant == currentlyInitializedVariant) {
4769 takeback = forwardMostMove - moveNum;
4770 for (i = 0; i < takeback; i++) {
4771 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4772 SendToProgram("undo\n", &first);
4777 forwardMostMove = moveNum;
4778 if (!pausing || currentMove > forwardMostMove)
4779 currentMove = forwardMostMove;
4781 /* New part of history that is not contiguous with old part */
4782 if (pausing && gameMode == IcsExamining) {
4783 pauseExamInvalid = TRUE;
4784 forwardMostMove = pauseExamForwardMostMove;
4787 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4789 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4790 // [HGM] when we will receive the move list we now request, it will be
4791 // fed to the engine from the first move on. So if the engine is not
4792 // in the initial position now, bring it there.
4793 InitChessProgram(&first, 0);
4796 ics_getting_history = H_REQUESTED;
4797 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4800 forwardMostMove = backwardMostMove = currentMove = moveNum;
4803 /* Update the clocks */
4804 if (strchr(elapsed_time, '.')) {
4806 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4807 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4809 /* Time is in seconds */
4810 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4811 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4816 if (appData.zippyPlay && newGame &&
4817 gameMode != IcsObserving && gameMode != IcsIdle &&
4818 gameMode != IcsExamining)
4819 ZippyFirstBoard(moveNum, basetime, increment);
4822 /* Put the move on the move list, first converting
4823 to canonical algebraic form. */
4825 if (appData.debugMode) {
4826 int f = forwardMostMove;
4827 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4828 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4829 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4830 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4831 fprintf(debugFP, "moveNum = %d\n", moveNum);
4832 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4833 setbuf(debugFP, NULL);
4835 if (moveNum <= backwardMostMove) {
4836 /* We don't know what the board looked like before
4838 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4839 strcat(parseList[moveNum - 1], " ");
4840 strcat(parseList[moveNum - 1], elapsed_time);
4841 moveList[moveNum - 1][0] = NULLCHAR;
4842 } else if (strcmp(move_str, "none") == 0) {
4843 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4844 /* Again, we don't know what the board looked like;
4845 this is really the start of the game. */
4846 parseList[moveNum - 1][0] = NULLCHAR;
4847 moveList[moveNum - 1][0] = NULLCHAR;
4848 backwardMostMove = moveNum;
4849 startedFromSetupPosition = TRUE;
4850 fromX = fromY = toX = toY = -1;
4852 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4853 // So we parse the long-algebraic move string in stead of the SAN move
4854 int valid; char buf[MSG_SIZ], *prom;
4856 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4857 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4858 // str looks something like "Q/a1-a2"; kill the slash
4860 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4861 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4862 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4863 strcat(buf, prom); // long move lacks promo specification!
4864 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4865 if(appData.debugMode)
4866 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4867 safeStrCpy(move_str, buf, MSG_SIZ);
4869 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4870 &fromX, &fromY, &toX, &toY, &promoChar)
4871 || ParseOneMove(buf, moveNum - 1, &moveType,
4872 &fromX, &fromY, &toX, &toY, &promoChar);
4873 // end of long SAN patch
4875 (void) CoordsToAlgebraic(boards[moveNum - 1],
4876 PosFlags(moveNum - 1),
4877 fromY, fromX, toY, toX, promoChar,
4878 parseList[moveNum-1]);
4879 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4885 if(!IS_SHOGI(gameInfo.variant))
4886 strcat(parseList[moveNum - 1], "+");
4889 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4890 strcat(parseList[moveNum - 1], "#");
4893 strcat(parseList[moveNum - 1], " ");
4894 strcat(parseList[moveNum - 1], elapsed_time);
4895 /* currentMoveString is set as a side-effect of ParseOneMove */
4896 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4897 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4898 strcat(moveList[moveNum - 1], "\n");
4900 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4901 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4902 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4903 ChessSquare old, new = boards[moveNum][k][j];
4904 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4905 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4906 if(old == new) continue;
4907 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4908 else if(new == WhiteWazir || new == BlackWazir) {
4909 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4910 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4911 else boards[moveNum][k][j] = old; // preserve type of Gold
4912 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4913 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4916 /* Move from ICS was illegal!? Punt. */
4917 if (appData.debugMode) {
4918 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4919 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4921 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4922 strcat(parseList[moveNum - 1], " ");
4923 strcat(parseList[moveNum - 1], elapsed_time);
4924 moveList[moveNum - 1][0] = NULLCHAR;
4925 fromX = fromY = toX = toY = -1;
4928 if (appData.debugMode) {
4929 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4930 setbuf(debugFP, NULL);
4934 /* Send move to chess program (BEFORE animating it). */
4935 if (appData.zippyPlay && !newGame && newMove &&
4936 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4938 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4939 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4940 if (moveList[moveNum - 1][0] == NULLCHAR) {
4941 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4943 DisplayError(str, 0);
4945 if (first.sendTime) {
4946 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4948 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4949 if (firstMove && !bookHit) {
4951 if (first.useColors) {
4952 SendToProgram(gameMode == IcsPlayingWhite ?
4954 "black\ngo\n", &first);
4956 SendToProgram("go\n", &first);
4958 first.maybeThinking = TRUE;
4961 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4962 if (moveList[moveNum - 1][0] == NULLCHAR) {
4963 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4964 DisplayError(str, 0);
4966 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4967 SendMoveToProgram(moveNum - 1, &first);
4974 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4975 /* If move comes from a remote source, animate it. If it
4976 isn't remote, it will have already been animated. */
4977 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4978 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4980 if (!pausing && appData.highlightLastMove) {
4981 SetHighlights(fromX, fromY, toX, toY);
4985 /* Start the clocks */
4986 whiteFlag = blackFlag = FALSE;
4987 appData.clockMode = !(basetime == 0 && increment == 0);
4989 ics_clock_paused = TRUE;
4991 } else if (ticking == 1) {
4992 ics_clock_paused = FALSE;
4994 if (gameMode == IcsIdle ||
4995 relation == RELATION_OBSERVING_STATIC ||
4996 relation == RELATION_EXAMINING ||
4998 DisplayBothClocks();
5002 /* Display opponents and material strengths */
5003 if (gameInfo.variant != VariantBughouse &&
5004 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5005 if (tinyLayout || smallLayout) {
5006 if(gameInfo.variant == VariantNormal)
5007 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5008 gameInfo.white, white_stren, gameInfo.black, black_stren,
5009 basetime, increment);
5011 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5012 gameInfo.white, white_stren, gameInfo.black, black_stren,
5013 basetime, increment, (int) gameInfo.variant);
5015 if(gameInfo.variant == VariantNormal)
5016 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5017 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5018 basetime, increment);
5020 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5021 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5022 basetime, increment, VariantName(gameInfo.variant));
5025 if (appData.debugMode) {
5026 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5031 /* Display the board */
5032 if (!pausing && !appData.noGUI) {
5034 if (appData.premove)
5036 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5037 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5038 ClearPremoveHighlights();
5040 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5041 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5042 DrawPosition(j, boards[currentMove]);
5044 DisplayMove(moveNum - 1);
5045 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5046 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5047 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5048 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5052 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5054 if(bookHit) { // [HGM] book: simulate book reply
5055 static char bookMove[MSG_SIZ]; // a bit generous?
5057 programStats.nodes = programStats.depth = programStats.time =
5058 programStats.score = programStats.got_only_move = 0;
5059 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5061 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5062 strcat(bookMove, bookHit);
5063 HandleMachineMove(bookMove, &first);
5072 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5073 ics_getting_history = H_REQUESTED;
5074 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5080 SendToBoth (char *msg)
5081 { // to make it easy to keep two engines in step in dual analysis
5082 SendToProgram(msg, &first);
5083 if(second.analyzing) SendToProgram(msg, &second);
5087 AnalysisPeriodicEvent (int force)
5089 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5090 && !force) || !appData.periodicUpdates)
5093 /* Send . command to Crafty to collect stats */
5096 /* Don't send another until we get a response (this makes
5097 us stop sending to old Crafty's which don't understand
5098 the "." command (sending illegal cmds resets node count & time,
5099 which looks bad)) */
5100 programStats.ok_to_send = 0;
5104 ics_update_width (int new_width)
5106 ics_printf("set width %d\n", new_width);
5110 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5114 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5115 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5116 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5117 SendToProgram(buf, cps);
5120 // null move in variant where engine does not understand it (for analysis purposes)
5121 SendBoard(cps, moveNum + 1); // send position after move in stead.
5124 if (cps->useUsermove) {
5125 SendToProgram("usermove ", cps);
5129 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5130 int len = space - parseList[moveNum];
5131 memcpy(buf, parseList[moveNum], len);
5133 buf[len] = NULLCHAR;
5135 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5137 SendToProgram(buf, cps);
5139 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5140 AlphaRank(moveList[moveNum], 4);
5141 SendToProgram(moveList[moveNum], cps);
5142 AlphaRank(moveList[moveNum], 4); // and back
5144 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5145 * the engine. It would be nice to have a better way to identify castle
5147 if(appData.fischerCastling && cps->useOOCastle) {
5148 int fromX = moveList[moveNum][0] - AAA;
5149 int fromY = moveList[moveNum][1] - ONE;
5150 int toX = moveList[moveNum][2] - AAA;
5151 int toY = moveList[moveNum][3] - ONE;
5152 if((boards[moveNum][fromY][fromX] == WhiteKing
5153 && boards[moveNum][toY][toX] == WhiteRook)
5154 || (boards[moveNum][fromY][fromX] == BlackKing
5155 && boards[moveNum][toY][toX] == BlackRook)) {
5156 if(toX > fromX) SendToProgram("O-O\n", cps);
5157 else SendToProgram("O-O-O\n", cps);
5159 else SendToProgram(moveList[moveNum], cps);
5161 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5162 char *m = moveList[moveNum];
5164 *c = m[7]; // promoChar
5165 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
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5169 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5170 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5172 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
5177 m[2], m[3] - '0', c);
5179 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5182 m[2], m[3] - '0', c);
5183 SendToProgram(buf, cps);
5185 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5186 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5187 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5188 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5189 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5191 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5192 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5193 SendToProgram(buf, cps);
5195 else SendToProgram(moveList[moveNum], cps);
5196 /* End of additions by Tord */
5199 /* [HGM] setting up the opening has brought engine in force mode! */
5200 /* Send 'go' if we are in a mode where machine should play. */
5201 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5202 (gameMode == TwoMachinesPlay ||
5204 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5206 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5207 SendToProgram("go\n", cps);
5208 if (appData.debugMode) {
5209 fprintf(debugFP, "(extra)\n");
5212 setboardSpoiledMachineBlack = 0;
5216 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5218 char user_move[MSG_SIZ];
5221 if(gameInfo.variant == VariantSChess && promoChar) {
5222 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5223 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5224 } else suffix[0] = NULLCHAR;
5228 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5229 (int)moveType, fromX, fromY, toX, toY);
5230 DisplayError(user_move + strlen("say "), 0);
5232 case WhiteKingSideCastle:
5233 case BlackKingSideCastle:
5234 case WhiteQueenSideCastleWild:
5235 case BlackQueenSideCastleWild:
5237 case WhiteHSideCastleFR:
5238 case BlackHSideCastleFR:
5240 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5242 case WhiteQueenSideCastle:
5243 case BlackQueenSideCastle:
5244 case WhiteKingSideCastleWild:
5245 case BlackKingSideCastleWild:
5247 case WhiteASideCastleFR:
5248 case BlackASideCastleFR:
5250 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5252 case WhiteNonPromotion:
5253 case BlackNonPromotion:
5254 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5256 case WhitePromotion:
5257 case BlackPromotion:
5258 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5259 gameInfo.variant == VariantMakruk)
5260 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5261 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5262 PieceToChar(WhiteFerz));
5263 else if(gameInfo.variant == VariantGreat)
5264 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5265 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5266 PieceToChar(WhiteMan));
5268 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5269 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5275 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5276 ToUpper(PieceToChar((ChessSquare) fromX)),
5277 AAA + toX, ONE + toY);
5279 case IllegalMove: /* could be a variant we don't quite understand */
5280 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5282 case WhiteCapturesEnPassant:
5283 case BlackCapturesEnPassant:
5284 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5285 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5288 SendToICS(user_move);
5289 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5290 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5295 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5296 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5297 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5298 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5299 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5302 if(gameMode != IcsExamining) { // is this ever not the case?
5303 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5305 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5306 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5307 } else { // on FICS we must first go to general examine mode
5308 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5310 if(gameInfo.variant != VariantNormal) {
5311 // try figure out wild number, as xboard names are not always valid on ICS
5312 for(i=1; i<=36; i++) {
5313 snprintf(buf, MSG_SIZ, "wild/%d", i);
5314 if(StringToVariant(buf) == gameInfo.variant) break;
5316 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5317 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5318 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5319 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5320 SendToICS(ics_prefix);
5322 if(startedFromSetupPosition || backwardMostMove != 0) {
5323 fen = PositionToFEN(backwardMostMove, NULL, 1);
5324 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5325 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5327 } else { // FICS: everything has to set by separate bsetup commands
5328 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5329 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5331 if(!WhiteOnMove(backwardMostMove)) {
5332 SendToICS("bsetup tomove black\n");
5334 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5335 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5337 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5338 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5340 i = boards[backwardMostMove][EP_STATUS];
5341 if(i >= 0) { // set e.p.
5342 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5348 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5349 SendToICS("bsetup done\n"); // switch to normal examining.
5351 for(i = backwardMostMove; i<last; i++) {
5353 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5354 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5355 int len = strlen(moveList[i]);
5356 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5357 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5361 SendToICS(ics_prefix);
5362 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5365 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5369 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5371 if (rf == DROP_RANK) {
5372 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5373 sprintf(move, "%c@%c%c\n",
5374 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5376 if (promoChar == 'x' || promoChar == NULLCHAR) {
5377 sprintf(move, "%c%c%c%c\n",
5378 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5379 if(killX >= 0 && killY >= 0) {
5380 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5381 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5384 sprintf(move, "%c%c%c%c%c\n",
5385 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5386 if(killX >= 0 && killY >= 0) {
5387 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5388 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5395 ProcessICSInitScript (FILE *f)
5399 while (fgets(buf, MSG_SIZ, f)) {
5400 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5407 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5409 static ClickType lastClickType;
5412 PieceInString (char *s, ChessSquare piece)
5414 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5415 while((p = strchr(s, ID))) {
5416 if(!suffix || p[1] == suffix) return TRUE;
5423 Partner (ChessSquare *p)
5424 { // change piece into promotion partner if one shogi-promotes to the other
5425 ChessSquare partner = promoPartner[*p];
5426 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5427 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5435 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5436 static int toggleFlag;
5437 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5438 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5439 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5440 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5441 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5442 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5444 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5445 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5446 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5447 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5448 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5449 if(!step) step = -1;
5450 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5451 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5452 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5453 promoSweep == pawn ||
5454 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5455 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5457 int victim = boards[currentMove][toY][toX];
5458 boards[currentMove][toY][toX] = promoSweep;
5459 DrawPosition(FALSE, boards[currentMove]);
5460 boards[currentMove][toY][toX] = victim;
5462 ChangeDragPiece(promoSweep);
5466 PromoScroll (int x, int y)
5470 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5471 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5472 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5473 if(!step) return FALSE;
5474 lastX = x; lastY = y;
5475 if((promoSweep < BlackPawn) == flipView) step = -step;
5476 if(step > 0) selectFlag = 1;
5477 if(!selectFlag) Sweep(step);
5482 NextPiece (int step)
5484 ChessSquare piece = boards[currentMove][toY][toX];
5487 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5488 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5489 if(!step) step = -1;
5490 } while(PieceToChar(pieceSweep) == '.');
5491 boards[currentMove][toY][toX] = pieceSweep;
5492 DrawPosition(FALSE, boards[currentMove]);
5493 boards[currentMove][toY][toX] = piece;
5495 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5497 AlphaRank (char *move, int n)
5499 // char *p = move, c; int x, y;
5501 if (appData.debugMode) {
5502 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5506 move[2]>='0' && move[2]<='9' &&
5507 move[3]>='a' && move[3]<='x' ) {
5509 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5510 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5512 if(move[0]>='0' && move[0]<='9' &&
5513 move[1]>='a' && move[1]<='x' &&
5514 move[2]>='0' && move[2]<='9' &&
5515 move[3]>='a' && move[3]<='x' ) {
5516 /* input move, Shogi -> normal */
5517 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5518 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5519 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5520 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5523 move[3]>='0' && move[3]<='9' &&
5524 move[2]>='a' && move[2]<='x' ) {
5526 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5527 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5530 move[0]>='a' && move[0]<='x' &&
5531 move[3]>='0' && move[3]<='9' &&
5532 move[2]>='a' && move[2]<='x' ) {
5533 /* output move, normal -> Shogi */
5534 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5535 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5536 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5537 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5538 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5540 if (appData.debugMode) {
5541 fprintf(debugFP, " out = '%s'\n", move);
5545 char yy_textstr[8000];
5547 /* Parser for moves from gnuchess, ICS, or user typein box */
5549 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5551 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5553 switch (*moveType) {
5554 case WhitePromotion:
5555 case BlackPromotion:
5556 case WhiteNonPromotion:
5557 case BlackNonPromotion:
5560 case WhiteCapturesEnPassant:
5561 case BlackCapturesEnPassant:
5562 case WhiteKingSideCastle:
5563 case WhiteQueenSideCastle:
5564 case BlackKingSideCastle:
5565 case BlackQueenSideCastle:
5566 case WhiteKingSideCastleWild:
5567 case WhiteQueenSideCastleWild:
5568 case BlackKingSideCastleWild:
5569 case BlackQueenSideCastleWild:
5570 /* Code added by Tord: */
5571 case WhiteHSideCastleFR:
5572 case WhiteASideCastleFR:
5573 case BlackHSideCastleFR:
5574 case BlackASideCastleFR:
5575 /* End of code added by Tord */
5576 case IllegalMove: /* bug or odd chess variant */
5577 if(currentMoveString[1] == '@') { // illegal drop
5578 *fromX = WhiteOnMove(moveNum) ?
5579 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5580 (int) CharToPiece(ToLower(currentMoveString[0]));
5583 *fromX = currentMoveString[0] - AAA;
5584 *fromY = currentMoveString[1] - ONE;
5585 *toX = currentMoveString[2] - AAA;
5586 *toY = currentMoveString[3] - ONE;
5587 *promoChar = currentMoveString[4];
5588 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5589 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5590 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5591 if (appData.debugMode) {
5592 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5594 *fromX = *fromY = *toX = *toY = 0;
5597 if (appData.testLegality) {
5598 return (*moveType != IllegalMove);
5600 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5601 // [HGM] lion: if this is a double move we are less critical
5602 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5607 *fromX = *moveType == WhiteDrop ?
5608 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5609 (int) CharToPiece(ToLower(currentMoveString[0]));
5612 *toX = currentMoveString[2] - AAA;
5613 *toY = currentMoveString[3] - ONE;
5614 *promoChar = NULLCHAR;
5618 case ImpossibleMove:
5628 if (appData.debugMode) {
5629 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5632 *fromX = *fromY = *toX = *toY = 0;
5633 *promoChar = NULLCHAR;
5638 Boolean pushed = FALSE;
5639 char *lastParseAttempt;
5642 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5643 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5644 int fromX, fromY, toX, toY; char promoChar;
5649 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5650 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5651 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5654 endPV = forwardMostMove;
5656 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5657 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5658 lastParseAttempt = pv;
5659 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5660 if(!valid && nr == 0 &&
5661 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5662 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5663 // Hande case where played move is different from leading PV move
5664 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5665 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5666 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5667 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5668 endPV += 2; // if position different, keep this
5669 moveList[endPV-1][0] = fromX + AAA;
5670 moveList[endPV-1][1] = fromY + ONE;
5671 moveList[endPV-1][2] = toX + AAA;
5672 moveList[endPV-1][3] = toY + ONE;
5673 parseList[endPV-1][0] = NULLCHAR;
5674 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5677 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5678 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5679 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5680 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5681 valid++; // allow comments in PV
5685 if(endPV+1 > framePtr) break; // no space, truncate
5688 CopyBoard(boards[endPV], boards[endPV-1]);
5689 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5690 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5691 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5692 CoordsToAlgebraic(boards[endPV - 1],
5693 PosFlags(endPV - 1),
5694 fromY, fromX, toY, toX, promoChar,
5695 parseList[endPV - 1]);
5697 if(atEnd == 2) return; // used hidden, for PV conversion
5698 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5699 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5700 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5701 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5702 DrawPosition(TRUE, boards[currentMove]);
5706 MultiPV (ChessProgramState *cps, int kind)
5707 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5709 for(i=0; i<cps->nrOptions; i++) {
5710 char *s = cps->option[i].name;
5711 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5712 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5713 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5718 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5719 static int multi, pv_margin;
5720 static ChessProgramState *activeCps;
5723 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5725 int startPV, lineStart, origIndex = index;
5726 char *p, buf2[MSG_SIZ];
5727 ChessProgramState *cps = (pane ? &second : &first);
5729 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5730 lastX = x; lastY = y;
5731 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5732 lineStart = startPV = index;
5733 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5734 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5736 do{ while(buf[index] && buf[index] != '\n') index++;
5737 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5739 if(lineStart == 0 && gameMode == AnalyzeMode) {
5741 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5742 if(n == 0) { // click not on "fewer" or "more"
5743 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5744 pv_margin = cps->option[multi].value;
5745 activeCps = cps; // non-null signals margin adjustment
5747 } else if((multi = MultiPV(cps, 1)) >= 0) {
5748 n += cps->option[multi].value; if(n < 1) n = 1;
5749 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5750 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5751 cps->option[multi].value = n;
5755 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5756 ExcludeClick(origIndex - lineStart);
5758 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5759 Collapse(origIndex - lineStart);
5762 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5763 *start = startPV; *end = index-1;
5764 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5771 static char buf[10*MSG_SIZ];
5772 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5774 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5775 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5776 for(i = forwardMostMove; i<endPV; i++){
5777 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5778 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5781 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5782 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5783 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5789 LoadPV (int x, int y)
5790 { // called on right mouse click to load PV
5791 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5792 lastX = x; lastY = y;
5793 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5801 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5803 if(pv_margin != activeCps->option[multi].value) {
5805 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5806 SendToProgram(buf, activeCps);
5807 activeCps->option[multi].value = pv_margin;
5812 if(endPV < 0) return;
5813 if(appData.autoCopyPV) CopyFENToClipboard();
5815 if(extendGame && currentMove > forwardMostMove) {
5816 Boolean saveAnimate = appData.animate;
5818 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5819 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5820 } else storedGames--; // abandon shelved tail of original game
5823 forwardMostMove = currentMove;
5824 currentMove = oldFMM;
5825 appData.animate = FALSE;
5826 ToNrEvent(forwardMostMove);
5827 appData.animate = saveAnimate;
5829 currentMove = forwardMostMove;
5830 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5831 ClearPremoveHighlights();
5832 DrawPosition(TRUE, boards[currentMove]);
5836 MovePV (int x, int y, int h)
5837 { // step through PV based on mouse coordinates (called on mouse move)
5838 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5840 if(activeCps) { // adjusting engine's multi-pv margin
5841 if(x > lastX) pv_margin++; else
5842 if(x < lastX) pv_margin -= (pv_margin > 0);
5845 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5846 DisplayMessage(buf, "");
5851 // we must somehow check if right button is still down (might be released off board!)
5852 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5853 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5854 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5856 lastX = x; lastY = y;
5858 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5859 if(endPV < 0) return;
5860 if(y < margin) step = 1; else
5861 if(y > h - margin) step = -1;
5862 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5863 currentMove += step;
5864 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5865 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5866 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5867 DrawPosition(FALSE, boards[currentMove]);
5871 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5872 // All positions will have equal probability, but the current method will not provide a unique
5873 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5879 int piecesLeft[(int)BlackPawn];
5880 int seed, nrOfShuffles;
5883 GetPositionNumber ()
5884 { // sets global variable seed
5887 seed = appData.defaultFrcPosition;
5888 if(seed < 0) { // randomize based on time for negative FRC position numbers
5889 for(i=0; i<50; i++) seed += random();
5890 seed = random() ^ random() >> 8 ^ random() << 8;
5891 if(seed<0) seed = -seed;
5896 put (Board board, int pieceType, int rank, int n, int shade)
5897 // put the piece on the (n-1)-th empty squares of the given shade
5901 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5902 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5903 board[rank][i] = (ChessSquare) pieceType;
5904 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5906 piecesLeft[pieceType]--;
5915 AddOnePiece (Board board, int pieceType, int rank, int shade)
5916 // calculate where the next piece goes, (any empty square), and put it there
5920 i = seed % squaresLeft[shade];
5921 nrOfShuffles *= squaresLeft[shade];
5922 seed /= squaresLeft[shade];
5923 put(board, pieceType, rank, i, shade);
5927 AddTwoPieces (Board board, int pieceType, int rank)
5928 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5930 int i, n=squaresLeft[ANY], j=n-1, k;
5932 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5933 i = seed % k; // pick one
5936 while(i >= j) i -= j--;
5937 j = n - 1 - j; i += j;
5938 put(board, pieceType, rank, j, ANY);
5939 put(board, pieceType, rank, i, ANY);
5943 SetUpShuffle (Board board, int number)
5947 GetPositionNumber(); nrOfShuffles = 1;
5949 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5950 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5951 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5953 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5955 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5956 p = (int) board[0][i];
5957 if(p < (int) BlackPawn) piecesLeft[p] ++;
5958 board[0][i] = EmptySquare;
5961 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5962 // shuffles restricted to allow normal castling put KRR first
5963 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5964 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5965 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5966 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5967 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5968 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5969 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5970 put(board, WhiteRook, 0, 0, ANY);
5971 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5974 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5975 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5976 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5977 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5978 while(piecesLeft[p] >= 2) {
5979 AddOnePiece(board, p, 0, LITE);
5980 AddOnePiece(board, p, 0, DARK);
5982 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5985 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5986 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5987 // but we leave King and Rooks for last, to possibly obey FRC restriction
5988 if(p == (int)WhiteRook) continue;
5989 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5990 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5993 // now everything is placed, except perhaps King (Unicorn) and Rooks
5995 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5996 // Last King gets castling rights
5997 while(piecesLeft[(int)WhiteUnicorn]) {
5998 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5999 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6002 while(piecesLeft[(int)WhiteKing]) {
6003 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6004 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6009 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6010 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6013 // Only Rooks can be left; simply place them all
6014 while(piecesLeft[(int)WhiteRook]) {
6015 i = put(board, WhiteRook, 0, 0, ANY);
6016 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6019 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6021 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6024 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6025 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6028 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6032 ptclen (const char *s, char *escapes)
6035 if(!*escapes) return strlen(s);
6036 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6041 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6042 /* [HGM] moved here from winboard.c because of its general usefulness */
6043 /* Basically a safe strcpy that uses the last character as King */
6045 int result = FALSE; int NrPieces;
6046 unsigned char partner[EmptySquare];
6048 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6049 && NrPieces >= 12 && !(NrPieces&1)) {
6050 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6052 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6053 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6055 if(map[j] == '/') offs = WhitePBishop - i, j++;
6056 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6057 table[i+offs] = map[j++];
6058 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6059 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6060 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6062 table[(int) WhiteKing] = map[j++];
6063 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6065 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6066 i = WHITE_TO_BLACK ii;
6067 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6068 table[i+offs] = map[j++];
6069 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6070 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6071 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6073 table[(int) BlackKing] = map[j++];
6076 if(*escapes) { // set up promotion pairing
6077 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6078 // pieceToChar entirely filled, so we can look up specified partners
6079 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6081 if(c == '^' || c == '-') { // has specified partner
6083 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6084 if(c == '^') table[i] = '+';
6085 if(p < EmptySquare) {
6086 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6087 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6088 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6090 } else if(c == '*') {
6091 table[i] = partner[i];
6092 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6104 SetCharTable (unsigned char *table, const char * map)
6106 return SetCharTableEsc(table, map, "");
6110 Prelude (Board board)
6111 { // [HGM] superchess: random selection of exo-pieces
6112 int i, j, k; ChessSquare p;
6113 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6115 GetPositionNumber(); // use FRC position number
6117 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6118 SetCharTable(pieceToChar, appData.pieceToCharTable);
6119 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6120 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6123 j = seed%4; seed /= 4;
6124 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6125 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6126 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6127 j = seed%3 + (seed%3 >= j); seed /= 3;
6128 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6129 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6130 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6131 j = seed%3; seed /= 3;
6132 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6133 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6134 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6135 j = seed%2 + (seed%2 >= j); seed /= 2;
6136 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6137 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6138 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6139 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6140 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6141 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6142 put(board, exoPieces[0], 0, 0, ANY);
6143 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6147 InitPosition (int redraw)
6149 ChessSquare (* pieces)[BOARD_FILES];
6150 int i, j, pawnRow=1, pieceRows=1, overrule,
6151 oldx = gameInfo.boardWidth,
6152 oldy = gameInfo.boardHeight,
6153 oldh = gameInfo.holdingsWidth;
6156 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6158 /* [AS] Initialize pv info list [HGM] and game status */
6160 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6161 pvInfoList[i].depth = 0;
6162 boards[i][EP_STATUS] = EP_NONE;
6163 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6166 initialRulePlies = 0; /* 50-move counter start */
6168 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6169 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6173 /* [HGM] logic here is completely changed. In stead of full positions */
6174 /* the initialized data only consist of the two backranks. The switch */
6175 /* selects which one we will use, which is than copied to the Board */
6176 /* initialPosition, which for the rest is initialized by Pawns and */
6177 /* empty squares. This initial position is then copied to boards[0], */
6178 /* possibly after shuffling, so that it remains available. */
6180 gameInfo.holdingsWidth = 0; /* default board sizes */
6181 gameInfo.boardWidth = 8;
6182 gameInfo.boardHeight = 8;
6183 gameInfo.holdingsSize = 0;
6184 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6185 for(i=0; i<BOARD_FILES-6; i++)
6186 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6187 initialPosition[EP_STATUS] = EP_NONE;
6188 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6189 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6190 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6191 SetCharTable(pieceNickName, appData.pieceNickNames);
6192 else SetCharTable(pieceNickName, "............");
6195 switch (gameInfo.variant) {
6196 case VariantFischeRandom:
6197 shuffleOpenings = TRUE;
6198 appData.fischerCastling = TRUE;
6201 case VariantShatranj:
6202 pieces = ShatranjArray;
6203 nrCastlingRights = 0;
6204 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6207 pieces = makrukArray;
6208 nrCastlingRights = 0;
6209 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6212 pieces = aseanArray;
6213 nrCastlingRights = 0;
6214 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6216 case VariantTwoKings:
6217 pieces = twoKingsArray;
6220 pieces = GrandArray;
6221 nrCastlingRights = 0;
6222 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6223 gameInfo.boardWidth = 10;
6224 gameInfo.boardHeight = 10;
6225 gameInfo.holdingsSize = 7;
6227 case VariantCapaRandom:
6228 shuffleOpenings = TRUE;
6229 appData.fischerCastling = TRUE;
6230 case VariantCapablanca:
6231 pieces = CapablancaArray;
6232 gameInfo.boardWidth = 10;
6233 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6236 pieces = GothicArray;
6237 gameInfo.boardWidth = 10;
6238 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6241 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6242 gameInfo.holdingsSize = 7;
6243 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6246 pieces = JanusArray;
6247 gameInfo.boardWidth = 10;
6248 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6249 nrCastlingRights = 6;
6250 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6251 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6252 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6253 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6254 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6255 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6258 pieces = FalconArray;
6259 gameInfo.boardWidth = 10;
6260 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6262 case VariantXiangqi:
6263 pieces = XiangqiArray;
6264 gameInfo.boardWidth = 9;
6265 gameInfo.boardHeight = 10;
6266 nrCastlingRights = 0;
6267 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6270 pieces = ShogiArray;
6271 gameInfo.boardWidth = 9;
6272 gameInfo.boardHeight = 9;
6273 gameInfo.holdingsSize = 7;
6274 nrCastlingRights = 0;
6275 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6278 pieces = ChuArray; pieceRows = 3;
6279 gameInfo.boardWidth = 12;
6280 gameInfo.boardHeight = 12;
6281 nrCastlingRights = 0;
6282 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6283 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6285 case VariantCourier:
6286 pieces = CourierArray;
6287 gameInfo.boardWidth = 12;
6288 nrCastlingRights = 0;
6289 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6291 case VariantKnightmate:
6292 pieces = KnightmateArray;
6293 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6295 case VariantSpartan:
6296 pieces = SpartanArray;
6297 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6301 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6303 case VariantChuChess:
6304 pieces = ChuChessArray;
6305 gameInfo.boardWidth = 10;
6306 gameInfo.boardHeight = 10;
6307 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6310 pieces = fairyArray;
6311 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6314 pieces = GreatArray;
6315 gameInfo.boardWidth = 10;
6316 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6317 gameInfo.holdingsSize = 8;
6321 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6322 gameInfo.holdingsSize = 8;
6323 startedFromSetupPosition = TRUE;
6325 case VariantCrazyhouse:
6326 case VariantBughouse:
6328 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6329 gameInfo.holdingsSize = 5;
6331 case VariantWildCastle:
6333 /* !!?shuffle with kings guaranteed to be on d or e file */
6334 shuffleOpenings = 1;
6336 case VariantNoCastle:
6338 nrCastlingRights = 0;
6339 /* !!?unconstrained back-rank shuffle */
6340 shuffleOpenings = 1;
6345 if(appData.NrFiles >= 0) {
6346 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6347 gameInfo.boardWidth = appData.NrFiles;
6349 if(appData.NrRanks >= 0) {
6350 gameInfo.boardHeight = appData.NrRanks;
6352 if(appData.holdingsSize >= 0) {
6353 i = appData.holdingsSize;
6354 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6355 gameInfo.holdingsSize = i;
6357 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6358 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6359 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6361 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6362 if(pawnRow < 1) pawnRow = 1;
6363 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6364 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6365 if(gameInfo.variant == VariantChu) pawnRow = 3;
6367 /* User pieceToChar list overrules defaults */
6368 if(appData.pieceToCharTable != NULL)
6369 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6371 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6373 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6374 s = (ChessSquare) 0; /* account holding counts in guard band */
6375 for( i=0; i<BOARD_HEIGHT; i++ )
6376 initialPosition[i][j] = s;
6378 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6379 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6380 initialPosition[pawnRow][j] = WhitePawn;
6381 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6382 if(gameInfo.variant == VariantXiangqi) {
6384 initialPosition[pawnRow][j] =
6385 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6386 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6387 initialPosition[2][j] = WhiteCannon;
6388 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6392 if(gameInfo.variant == VariantChu) {
6393 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6394 initialPosition[pawnRow+1][j] = WhiteCobra,
6395 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6396 for(i=1; i<pieceRows; i++) {
6397 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6398 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6401 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6402 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6403 initialPosition[0][j] = WhiteRook;
6404 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6407 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6409 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6410 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6413 initialPosition[1][j] = WhiteBishop;
6414 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6416 initialPosition[1][j] = WhiteRook;
6417 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6420 if( nrCastlingRights == -1) {
6421 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6422 /* This sets default castling rights from none to normal corners */
6423 /* Variants with other castling rights must set them themselves above */
6424 nrCastlingRights = 6;
6426 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6427 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6428 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6429 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6430 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6431 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6434 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6435 if(gameInfo.variant == VariantGreat) { // promotion commoners
6436 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6437 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6438 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6439 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6441 if( gameInfo.variant == VariantSChess ) {
6442 initialPosition[1][0] = BlackMarshall;
6443 initialPosition[2][0] = BlackAngel;
6444 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6445 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6446 initialPosition[1][1] = initialPosition[2][1] =
6447 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6449 if (appData.debugMode) {
6450 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6452 if(shuffleOpenings) {
6453 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6454 startedFromSetupPosition = TRUE;
6456 if(startedFromPositionFile) {
6457 /* [HGM] loadPos: use PositionFile for every new game */
6458 CopyBoard(initialPosition, filePosition);
6459 for(i=0; i<nrCastlingRights; i++)
6460 initialRights[i] = filePosition[CASTLING][i];
6461 startedFromSetupPosition = TRUE;
6463 if(*appData.men) LoadPieceDesc(appData.men);
6465 CopyBoard(boards[0], initialPosition);
6467 if(oldx != gameInfo.boardWidth ||
6468 oldy != gameInfo.boardHeight ||
6469 oldv != gameInfo.variant ||
6470 oldh != gameInfo.holdingsWidth
6472 InitDrawingSizes(-2 ,0);
6474 oldv = gameInfo.variant;
6476 DrawPosition(TRUE, boards[currentMove]);
6480 SendBoard (ChessProgramState *cps, int moveNum)
6482 char message[MSG_SIZ];
6484 if (cps->useSetboard) {
6485 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6486 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6487 SendToProgram(message, cps);
6492 int i, j, left=0, right=BOARD_WIDTH;
6493 /* Kludge to set black to move, avoiding the troublesome and now
6494 * deprecated "black" command.
6496 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6497 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6499 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6501 SendToProgram("edit\n", cps);
6502 SendToProgram("#\n", cps);
6503 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6504 bp = &boards[moveNum][i][left];
6505 for (j = left; j < right; j++, bp++) {
6506 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6507 if ((int) *bp < (int) BlackPawn) {
6508 if(j == BOARD_RGHT+1)
6509 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6510 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6511 if(message[0] == '+' || message[0] == '~') {
6512 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6513 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6514 AAA + j, ONE + i - '0');
6516 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6517 message[1] = BOARD_RGHT - 1 - j + '1';
6518 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6520 SendToProgram(message, cps);
6525 SendToProgram("c\n", cps);
6526 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6527 bp = &boards[moveNum][i][left];
6528 for (j = left; j < right; j++, bp++) {
6529 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6530 if (((int) *bp != (int) EmptySquare)
6531 && ((int) *bp >= (int) BlackPawn)) {
6532 if(j == BOARD_LEFT-2)
6533 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6534 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6535 AAA + j, ONE + i - '0');
6536 if(message[0] == '+' || message[0] == '~') {
6537 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6538 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6539 AAA + j, ONE + i - '0');
6541 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6542 message[1] = BOARD_RGHT - 1 - j + '1';
6543 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6545 SendToProgram(message, cps);
6550 SendToProgram(".\n", cps);
6552 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6555 char exclusionHeader[MSG_SIZ];
6556 int exCnt, excludePtr;
6557 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6558 static Exclusion excluTab[200];
6559 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6565 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6566 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6572 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6573 excludePtr = 24; exCnt = 0;
6578 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6579 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6580 char buf[2*MOVE_LEN], *p;
6581 Exclusion *e = excluTab;
6583 for(i=0; i<exCnt; i++)
6584 if(e[i].ff == fromX && e[i].fr == fromY &&
6585 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6586 if(i == exCnt) { // was not in exclude list; add it
6587 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6588 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6589 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6592 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6593 excludePtr++; e[i].mark = excludePtr++;
6594 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6597 exclusionHeader[e[i].mark] = state;
6601 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6602 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6606 if((signed char)promoChar == -1) { // kludge to indicate best move
6607 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6608 return 1; // if unparsable, abort
6610 // update exclusion map (resolving toggle by consulting existing state)
6611 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6613 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6614 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6615 excludeMap[k] |= 1<<j;
6616 else excludeMap[k] &= ~(1<<j);
6618 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6620 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6621 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6623 return (state == '+');
6627 ExcludeClick (int index)
6630 Exclusion *e = excluTab;
6631 if(index < 25) { // none, best or tail clicked
6632 if(index < 13) { // none: include all
6633 WriteMap(0); // clear map
6634 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6635 SendToBoth("include all\n"); // and inform engine
6636 } else if(index > 18) { // tail
6637 if(exclusionHeader[19] == '-') { // tail was excluded
6638 SendToBoth("include all\n");
6639 WriteMap(0); // clear map completely
6640 // now re-exclude selected moves
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, '-');
6643 } else { // tail was included or in mixed state
6644 SendToBoth("exclude all\n");
6645 WriteMap(0xFF); // fill map completely
6646 // now re-include selected moves
6647 j = 0; // count them
6648 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6649 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6650 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6653 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6656 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6657 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6658 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6665 DefaultPromoChoice (int white)
6668 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6669 gameInfo.variant == VariantMakruk)
6670 result = WhiteFerz; // no choice
6671 else if(gameInfo.variant == VariantASEAN)
6672 result = WhiteRook; // no choice
6673 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6674 result= WhiteKing; // in Suicide Q is the last thing we want
6675 else if(gameInfo.variant == VariantSpartan)
6676 result = white ? WhiteQueen : WhiteAngel;
6677 else result = WhiteQueen;
6678 if(!white) result = WHITE_TO_BLACK result;
6682 static int autoQueen; // [HGM] oneclick
6685 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6687 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6688 /* [HGM] add Shogi promotions */
6689 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6690 ChessSquare piece, partner;
6694 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6695 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6697 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6698 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6701 piece = boards[currentMove][fromY][fromX];
6702 if(gameInfo.variant == VariantChu) {
6703 promotionZoneSize = BOARD_HEIGHT/3;
6704 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6705 } else if(gameInfo.variant == VariantShogi) {
6706 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6707 highestPromotingPiece = (int)WhiteAlfil;
6708 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6709 promotionZoneSize = 3;
6712 // Treat Lance as Pawn when it is not representing Amazon or Lance
6713 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6714 if(piece == WhiteLance) piece = WhitePawn; else
6715 if(piece == BlackLance) piece = BlackPawn;
6718 // next weed out all moves that do not touch the promotion zone at all
6719 if((int)piece >= BlackPawn) {
6720 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6722 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6723 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6725 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6726 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6727 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6731 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6733 // weed out mandatory Shogi promotions
6734 if(gameInfo.variant == VariantShogi) {
6735 if(piece >= BlackPawn) {
6736 if(toY == 0 && piece == BlackPawn ||
6737 toY == 0 && piece == BlackQueen ||
6738 toY <= 1 && piece == BlackKnight) {
6743 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6744 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6745 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6752 // weed out obviously illegal Pawn moves
6753 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6754 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6755 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6756 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6757 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6758 // note we are not allowed to test for valid (non-)capture, due to premove
6761 // we either have a choice what to promote to, or (in Shogi) whether to promote
6762 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6763 gameInfo.variant == VariantMakruk) {
6764 ChessSquare p=BlackFerz; // no choice
6765 while(p < EmptySquare) { //but make sure we use piece that exists
6766 *promoChoice = PieceToChar(p++);
6767 if(*promoChoice != '.') break;
6769 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6771 // no sense asking what we must promote to if it is going to explode...
6772 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6773 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6776 // give caller the default choice even if we will not make it
6777 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6778 partner = piece; // pieces can promote if the pieceToCharTable says so
6779 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6780 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6781 if( sweepSelect && gameInfo.variant != VariantGreat
6782 && gameInfo.variant != VariantGrand
6783 && gameInfo.variant != VariantSuper) return FALSE;
6784 if(autoQueen) return FALSE; // predetermined
6786 // suppress promotion popup on illegal moves that are not premoves
6787 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6788 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6789 if(appData.testLegality && !premove) {
6790 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6791 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6792 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6793 if(moveType != WhitePromotion && moveType != BlackPromotion)
6801 InPalace (int row, int column)
6802 { /* [HGM] for Xiangqi */
6803 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6804 column < (BOARD_WIDTH + 4)/2 &&
6805 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6810 PieceForSquare (int x, int y)
6812 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6815 return boards[currentMove][y][x];
6819 OKToStartUserMove (int x, int y)
6821 ChessSquare from_piece;
6824 if (matchMode) return FALSE;
6825 if (gameMode == EditPosition) return TRUE;
6827 if (x >= 0 && y >= 0)
6828 from_piece = boards[currentMove][y][x];
6830 from_piece = EmptySquare;
6832 if (from_piece == EmptySquare) return FALSE;
6834 white_piece = (int)from_piece >= (int)WhitePawn &&
6835 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6839 case TwoMachinesPlay:
6847 case MachinePlaysWhite:
6848 case IcsPlayingBlack:
6849 if (appData.zippyPlay) return FALSE;
6851 DisplayMoveError(_("You are playing Black"));
6856 case MachinePlaysBlack:
6857 case IcsPlayingWhite:
6858 if (appData.zippyPlay) return FALSE;
6860 DisplayMoveError(_("You are playing White"));
6865 case PlayFromGameFile:
6866 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6869 if (!white_piece && WhiteOnMove(currentMove)) {
6870 DisplayMoveError(_("It is White's turn"));
6873 if (white_piece && !WhiteOnMove(currentMove)) {
6874 DisplayMoveError(_("It is Black's turn"));
6877 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6878 /* Editing correspondence game history */
6879 /* Could disallow this or prompt for confirmation */
6884 case BeginningOfGame:
6885 if (appData.icsActive) return FALSE;
6886 if (!appData.noChessProgram) {
6888 DisplayMoveError(_("You are playing White"));
6895 if (!white_piece && WhiteOnMove(currentMove)) {
6896 DisplayMoveError(_("It is White's turn"));
6899 if (white_piece && !WhiteOnMove(currentMove)) {
6900 DisplayMoveError(_("It is Black's turn"));
6909 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6910 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6911 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6912 && gameMode != AnalyzeFile && gameMode != Training) {
6913 DisplayMoveError(_("Displayed position is not current"));
6920 OnlyMove (int *x, int *y, Boolean captures)
6922 DisambiguateClosure cl;
6923 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6925 case MachinePlaysBlack:
6926 case IcsPlayingWhite:
6927 case BeginningOfGame:
6928 if(!WhiteOnMove(currentMove)) return FALSE;
6930 case MachinePlaysWhite:
6931 case IcsPlayingBlack:
6932 if(WhiteOnMove(currentMove)) return FALSE;
6939 cl.pieceIn = EmptySquare;
6944 cl.promoCharIn = NULLCHAR;
6945 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6946 if( cl.kind == NormalMove ||
6947 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6948 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6949 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6956 if(cl.kind != ImpossibleMove) return FALSE;
6957 cl.pieceIn = EmptySquare;
6962 cl.promoCharIn = NULLCHAR;
6963 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6964 if( cl.kind == NormalMove ||
6965 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6966 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6967 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6972 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6978 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6979 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6980 int lastLoadGameUseList = FALSE;
6981 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6982 ChessMove lastLoadGameStart = EndOfFile;
6984 Boolean addToBookFlag;
6987 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6991 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6993 /* Check if the user is playing in turn. This is complicated because we
6994 let the user "pick up" a piece before it is his turn. So the piece he
6995 tried to pick up may have been captured by the time he puts it down!
6996 Therefore we use the color the user is supposed to be playing in this
6997 test, not the color of the piece that is currently on the starting
6998 square---except in EditGame mode, where the user is playing both
6999 sides; fortunately there the capture race can't happen. (It can
7000 now happen in IcsExamining mode, but that's just too bad. The user
7001 will get a somewhat confusing message in that case.)
7006 case TwoMachinesPlay:
7010 /* We switched into a game mode where moves are not accepted,
7011 perhaps while the mouse button was down. */
7014 case MachinePlaysWhite:
7015 /* User is moving for Black */
7016 if (WhiteOnMove(currentMove)) {
7017 DisplayMoveError(_("It is White's turn"));
7022 case MachinePlaysBlack:
7023 /* User is moving for White */
7024 if (!WhiteOnMove(currentMove)) {
7025 DisplayMoveError(_("It is Black's turn"));
7030 case PlayFromGameFile:
7031 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7034 case BeginningOfGame:
7037 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7038 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7039 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7040 /* User is moving for Black */
7041 if (WhiteOnMove(currentMove)) {
7042 DisplayMoveError(_("It is White's turn"));
7046 /* User is moving for White */
7047 if (!WhiteOnMove(currentMove)) {
7048 DisplayMoveError(_("It is Black's turn"));
7054 case IcsPlayingBlack:
7055 /* User is moving for Black */
7056 if (WhiteOnMove(currentMove)) {
7057 if (!appData.premove) {
7058 DisplayMoveError(_("It is White's turn"));
7059 } else if (toX >= 0 && toY >= 0) {
7062 premoveFromX = fromX;
7063 premoveFromY = fromY;
7064 premovePromoChar = promoChar;
7066 if (appData.debugMode)
7067 fprintf(debugFP, "Got premove: fromX %d,"
7068 "fromY %d, toX %d, toY %d\n",
7069 fromX, fromY, toX, toY);
7071 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7076 case IcsPlayingWhite:
7077 /* User is moving for White */
7078 if (!WhiteOnMove(currentMove)) {
7079 if (!appData.premove) {
7080 DisplayMoveError(_("It is Black's turn"));
7081 } else if (toX >= 0 && toY >= 0) {
7084 premoveFromX = fromX;
7085 premoveFromY = fromY;
7086 premovePromoChar = promoChar;
7088 if (appData.debugMode)
7089 fprintf(debugFP, "Got premove: fromX %d,"
7090 "fromY %d, toX %d, toY %d\n",
7091 fromX, fromY, toX, toY);
7093 DrawPosition(TRUE, boards[currentMove]);
7102 /* EditPosition, empty square, or different color piece;
7103 click-click move is possible */
7104 if (toX == -2 || toY == -2) {
7105 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7106 DrawPosition(FALSE, boards[currentMove]);
7108 } else if (toX >= 0 && toY >= 0) {
7109 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7110 ChessSquare p = boards[0][rf][ff];
7111 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7112 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7114 boards[0][toY][toX] = boards[0][fromY][fromX];
7115 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7116 if(boards[0][fromY][0] != EmptySquare) {
7117 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7118 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7121 if(fromX == BOARD_RGHT+1) {
7122 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7123 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7124 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7127 boards[0][fromY][fromX] = gatingPiece;
7129 DrawPosition(FALSE, boards[currentMove]);
7135 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7136 pup = boards[currentMove][toY][toX];
7138 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7139 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7140 if( pup != EmptySquare ) return;
7141 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7142 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7143 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7144 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7145 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7146 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7147 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7151 /* [HGM] always test for legality, to get promotion info */
7152 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7153 fromY, fromX, toY, toX, promoChar);
7155 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7157 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7159 /* [HGM] but possibly ignore an IllegalMove result */
7160 if (appData.testLegality) {
7161 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7162 DisplayMoveError(_("Illegal move"));
7167 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7168 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7169 ClearPremoveHighlights(); // was included
7170 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7174 if(addToBookFlag) { // adding moves to book
7175 char buf[MSG_SIZ], move[MSG_SIZ];
7176 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7177 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7178 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7179 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7181 addToBookFlag = FALSE;
7186 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7189 /* Common tail of UserMoveEvent and DropMenuEvent */
7191 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7195 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7196 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7197 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7198 if(WhiteOnMove(currentMove)) {
7199 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7201 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7205 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7206 move type in caller when we know the move is a legal promotion */
7207 if(moveType == NormalMove && promoChar)
7208 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7210 /* [HGM] <popupFix> The following if has been moved here from
7211 UserMoveEvent(). Because it seemed to belong here (why not allow
7212 piece drops in training games?), and because it can only be
7213 performed after it is known to what we promote. */
7214 if (gameMode == Training) {
7215 /* compare the move played on the board to the next move in the
7216 * game. If they match, display the move and the opponent's response.
7217 * If they don't match, display an error message.
7221 CopyBoard(testBoard, boards[currentMove]);
7222 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7224 if (CompareBoards(testBoard, boards[currentMove+1])) {
7225 ForwardInner(currentMove+1);
7227 /* Autoplay the opponent's response.
7228 * if appData.animate was TRUE when Training mode was entered,
7229 * the response will be animated.
7231 saveAnimate = appData.animate;
7232 appData.animate = animateTraining;
7233 ForwardInner(currentMove+1);
7234 appData.animate = saveAnimate;
7236 /* check for the end of the game */
7237 if (currentMove >= forwardMostMove) {
7238 gameMode = PlayFromGameFile;
7240 SetTrainingModeOff();
7241 DisplayInformation(_("End of game"));
7244 DisplayError(_("Incorrect move"), 0);
7249 /* Ok, now we know that the move is good, so we can kill
7250 the previous line in Analysis Mode */
7251 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7252 && currentMove < forwardMostMove) {
7253 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7254 else forwardMostMove = currentMove;
7259 /* If we need the chess program but it's dead, restart it */
7260 ResurrectChessProgram();
7262 /* A user move restarts a paused game*/
7266 thinkOutput[0] = NULLCHAR;
7268 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7270 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7271 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7275 if (gameMode == BeginningOfGame) {
7276 if (appData.noChessProgram) {
7277 gameMode = EditGame;
7281 gameMode = MachinePlaysBlack;
7284 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7286 if (first.sendName) {
7287 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7288 SendToProgram(buf, &first);
7295 /* Relay move to ICS or chess engine */
7296 if (appData.icsActive) {
7297 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7298 gameMode == IcsExamining) {
7299 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7300 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7302 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7304 // also send plain move, in case ICS does not understand atomic claims
7305 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7309 if (first.sendTime && (gameMode == BeginningOfGame ||
7310 gameMode == MachinePlaysWhite ||
7311 gameMode == MachinePlaysBlack)) {
7312 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7314 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7315 // [HGM] book: if program might be playing, let it use book
7316 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7317 first.maybeThinking = TRUE;
7318 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7319 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7320 SendBoard(&first, currentMove+1);
7321 if(second.analyzing) {
7322 if(!second.useSetboard) SendToProgram("undo\n", &second);
7323 SendBoard(&second, currentMove+1);
7326 SendMoveToProgram(forwardMostMove-1, &first);
7327 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7329 if (currentMove == cmailOldMove + 1) {
7330 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7334 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7338 if(appData.testLegality)
7339 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7345 if (WhiteOnMove(currentMove)) {
7346 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7348 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7352 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7357 case MachinePlaysBlack:
7358 case MachinePlaysWhite:
7359 /* disable certain menu options while machine is thinking */
7360 SetMachineThinkingEnables();
7367 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7368 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7370 if(bookHit) { // [HGM] book: simulate book reply
7371 static char bookMove[MSG_SIZ]; // a bit generous?
7373 programStats.nodes = programStats.depth = programStats.time =
7374 programStats.score = programStats.got_only_move = 0;
7375 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7377 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7378 strcat(bookMove, bookHit);
7379 HandleMachineMove(bookMove, &first);
7385 MarkByFEN(char *fen)
7388 if(!appData.markers || !appData.highlightDragging) return;
7389 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7390 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7394 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7395 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7396 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7397 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7398 if(*fen == 'T') marker[r][f++] = 0; else
7399 if(*fen == 'Y') marker[r][f++] = 1; else
7400 if(*fen == 'G') marker[r][f++] = 3; else
7401 if(*fen == 'B') marker[r][f++] = 4; else
7402 if(*fen == 'C') marker[r][f++] = 5; else
7403 if(*fen == 'M') marker[r][f++] = 6; else
7404 if(*fen == 'W') marker[r][f++] = 7; else
7405 if(*fen == 'D') marker[r][f++] = 8; else
7406 if(*fen == 'R') marker[r][f++] = 2; else {
7407 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7410 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7414 DrawPosition(TRUE, NULL);
7417 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7420 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7422 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7423 Markers *m = (Markers *) closure;
7424 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7425 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7426 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7427 || kind == WhiteCapturesEnPassant
7428 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7429 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7432 static int hoverSavedValid;
7435 MarkTargetSquares (int clear)
7438 if(clear) { // no reason to ever suppress clearing
7439 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7440 hoverSavedValid = 0;
7441 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7444 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7445 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7446 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7447 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7448 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7450 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7453 DrawPosition(FALSE, NULL);
7457 Explode (Board board, int fromX, int fromY, int toX, int toY)
7459 if(gameInfo.variant == VariantAtomic &&
7460 (board[toY][toX] != EmptySquare || // capture?
7461 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7462 board[fromY][fromX] == BlackPawn )
7464 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7470 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7473 CanPromote (ChessSquare piece, int y)
7475 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7476 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7477 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7478 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7479 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7480 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7481 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7482 return (piece == BlackPawn && y <= zone ||
7483 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7484 piece == BlackLance && y <= zone ||
7485 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7489 HoverEvent (int xPix, int yPix, int x, int y)
7491 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7493 if(!first.highlight) return;
7494 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7495 if(x == oldX && y == oldY) return; // only do something if we enter new square
7496 oldFromX = fromX; oldFromY = fromY;
7497 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7498 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7499 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7500 hoverSavedValid = 1;
7501 } else if(oldX != x || oldY != y) {
7502 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7503 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7504 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7505 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7506 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7508 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7509 SendToProgram(buf, &first);
7512 // SetHighlights(fromX, fromY, x, y);
7516 void ReportClick(char *action, int x, int y)
7518 char buf[MSG_SIZ]; // Inform engine of what user does
7520 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7521 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7522 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7523 if(!first.highlight || gameMode == EditPosition) return;
7524 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7525 SendToProgram(buf, &first);
7528 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7531 LeftClick (ClickType clickType, int xPix, int yPix)
7534 Boolean saveAnimate;
7535 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7536 char promoChoice = NULLCHAR;
7538 static TimeMark lastClickTime, prevClickTime;
7540 if(flashing) return;
7542 x = EventToSquare(xPix, BOARD_WIDTH);
7543 y = EventToSquare(yPix, BOARD_HEIGHT);
7544 if (!flipView && y >= 0) {
7545 y = BOARD_HEIGHT - 1 - y;
7547 if (flipView && x >= 0) {
7548 x = BOARD_WIDTH - 1 - x;
7551 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7553 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7558 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7560 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7562 if (clickType == Press) ErrorPopDown();
7563 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7565 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7566 defaultPromoChoice = promoSweep;
7567 promoSweep = EmptySquare; // terminate sweep
7568 promoDefaultAltered = TRUE;
7569 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7572 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7573 if(clickType == Release) return; // ignore upclick of click-click destination
7574 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7575 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7576 if(gameInfo.holdingsWidth &&
7577 (WhiteOnMove(currentMove)
7578 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7579 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7580 // click in right holdings, for determining promotion piece
7581 ChessSquare p = boards[currentMove][y][x];
7582 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7583 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7584 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7585 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7590 DrawPosition(FALSE, boards[currentMove]);
7594 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7595 if(clickType == Press
7596 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7597 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7598 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7601 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7602 // could be static click on premove from-square: abort premove
7604 ClearPremoveHighlights();
7607 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7608 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7610 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7611 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7612 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7613 defaultPromoChoice = DefaultPromoChoice(side);
7616 autoQueen = appData.alwaysPromoteToQueen;
7620 gatingPiece = EmptySquare;
7621 if (clickType != Press) {
7622 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7623 DragPieceEnd(xPix, yPix); dragging = 0;
7624 DrawPosition(FALSE, NULL);
7628 doubleClick = FALSE;
7629 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7630 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7632 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7633 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7634 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7635 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7637 if (OKToStartUserMove(fromX, fromY)) {
7639 ReportClick("lift", x, y);
7640 MarkTargetSquares(0);
7641 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7642 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7643 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7644 promoSweep = defaultPromoChoice;
7645 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7646 Sweep(0); // Pawn that is going to promote: preview promotion piece
7647 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7649 if (appData.highlightDragging) {
7650 SetHighlights(fromX, fromY, -1, -1);
7654 } else fromX = fromY = -1;
7660 if (clickType == Press && gameMode != EditPosition) {
7665 // ignore off-board to clicks
7666 if(y < 0 || x < 0) return;
7668 /* Check if clicking again on the same color piece */
7669 fromP = boards[currentMove][fromY][fromX];
7670 toP = boards[currentMove][y][x];
7671 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7672 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7673 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7674 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7675 WhitePawn <= toP && toP <= WhiteKing &&
7676 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7677 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7678 (BlackPawn <= fromP && fromP <= BlackKing &&
7679 BlackPawn <= toP && toP <= BlackKing &&
7680 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7681 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7682 /* Clicked again on same color piece -- changed his mind */
7683 second = (x == fromX && y == fromY);
7684 killX = killY = kill2X = kill2Y = -1;
7685 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7686 second = FALSE; // first double-click rather than scond click
7687 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7689 promoDefaultAltered = FALSE;
7690 if(!second) MarkTargetSquares(1);
7691 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7692 if (appData.highlightDragging) {
7693 SetHighlights(x, y, -1, -1);
7697 if (OKToStartUserMove(x, y)) {
7698 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7699 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7700 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7701 gatingPiece = boards[currentMove][fromY][fromX];
7702 else gatingPiece = doubleClick ? fromP : EmptySquare;
7704 fromY = y; dragging = 1;
7705 if(!second) ReportClick("lift", x, y);
7706 MarkTargetSquares(0);
7707 DragPieceBegin(xPix, yPix, FALSE);
7708 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7709 promoSweep = defaultPromoChoice;
7710 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7711 Sweep(0); // Pawn that is going to promote: preview promotion piece
7715 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7718 // ignore clicks on holdings
7719 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7722 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7723 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7724 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7728 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7729 DragPieceEnd(xPix, yPix); dragging = 0;
7731 // a deferred attempt to click-click move an empty square on top of a piece
7732 boards[currentMove][y][x] = EmptySquare;
7734 DrawPosition(FALSE, boards[currentMove]);
7735 fromX = fromY = -1; clearFlag = 0;
7738 if (appData.animateDragging) {
7739 /* Undo animation damage if any */
7740 DrawPosition(FALSE, NULL);
7743 /* Second up/down in same square; just abort move */
7746 gatingPiece = EmptySquare;
7749 ClearPremoveHighlights();
7750 MarkTargetSquares(-1);
7751 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7753 /* First upclick in same square; start click-click mode */
7754 SetHighlights(x, y, -1, -1);
7761 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7762 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7763 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7764 DisplayMessage(_("only marked squares are legal"),"");
7765 DrawPosition(TRUE, NULL);
7766 return; // ignore to-click
7769 /* we now have a different from- and (possibly off-board) to-square */
7770 /* Completed move */
7771 if(!sweepSelecting) {
7776 piece = boards[currentMove][fromY][fromX];
7778 saveAnimate = appData.animate;
7779 if (clickType == Press) {
7780 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7781 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7782 // must be Edit Position mode with empty-square selected
7783 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7784 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7787 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7790 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7791 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7793 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7794 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7795 if(appData.sweepSelect) {
7796 promoSweep = defaultPromoChoice;
7797 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7798 selectFlag = 0; lastX = xPix; lastY = yPix;
7799 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7800 saveFlash = appData.flashCount; appData.flashCount = 0;
7801 Sweep(0); // Pawn that is going to promote: preview promotion piece
7803 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7804 MarkTargetSquares(1);
7806 return; // promo popup appears on up-click
7808 /* Finish clickclick move */
7809 if (appData.animate || appData.highlightLastMove) {
7810 SetHighlights(fromX, fromY, toX, toY);
7814 MarkTargetSquares(1);
7815 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7816 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7817 *promoRestrict = 0; appData.flashCount = saveFlash;
7818 if (appData.animate || appData.highlightLastMove) {
7819 SetHighlights(fromX, fromY, toX, toY);
7823 MarkTargetSquares(1);
7826 // [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
7827 /* Finish drag move */
7828 if (appData.highlightLastMove) {
7829 SetHighlights(fromX, fromY, toX, toY);
7834 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7835 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7836 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7837 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7838 dragging *= 2; // flag button-less dragging if we are dragging
7839 MarkTargetSquares(1);
7840 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7842 kill2X = killX; kill2Y = killY;
7843 killX = x; killY = y; // remember this square as intermediate
7844 ReportClick("put", x, y); // and inform engine
7845 ReportClick("lift", x, y);
7846 MarkTargetSquares(0);
7850 DragPieceEnd(xPix, yPix); dragging = 0;
7851 /* Don't animate move and drag both */
7852 appData.animate = FALSE;
7853 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7856 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7857 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7858 ChessSquare piece = boards[currentMove][fromY][fromX];
7859 if(gameMode == EditPosition && piece != EmptySquare &&
7860 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7863 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7864 n = PieceToNumber(piece - (int)BlackPawn);
7865 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7866 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7867 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7869 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7870 n = PieceToNumber(piece);
7871 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7872 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7873 boards[currentMove][n][BOARD_WIDTH-2]++;
7875 boards[currentMove][fromY][fromX] = EmptySquare;
7879 MarkTargetSquares(1);
7880 DrawPosition(TRUE, boards[currentMove]);
7884 // off-board moves should not be highlighted
7885 if(x < 0 || y < 0) ClearHighlights();
7886 else ReportClick("put", x, y);
7888 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7890 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7892 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7893 SetHighlights(fromX, fromY, toX, toY);
7894 MarkTargetSquares(1);
7895 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7896 // [HGM] super: promotion to captured piece selected from holdings
7897 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7898 promotionChoice = TRUE;
7899 // kludge follows to temporarily execute move on display, without promoting yet
7900 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7901 boards[currentMove][toY][toX] = p;
7902 DrawPosition(FALSE, boards[currentMove]);
7903 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7904 boards[currentMove][toY][toX] = q;
7905 DisplayMessage("Click in holdings to choose piece", "");
7908 PromotionPopUp(promoChoice);
7910 int oldMove = currentMove;
7911 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7912 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7913 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7914 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7915 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7916 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7917 DrawPosition(TRUE, boards[currentMove]);
7921 appData.animate = saveAnimate;
7922 if (appData.animate || appData.animateDragging) {
7923 /* Undo animation damage if needed */
7924 // DrawPosition(FALSE, NULL);
7929 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7930 { // front-end-free part taken out of PieceMenuPopup
7931 int whichMenu; int xSqr, ySqr;
7933 if(seekGraphUp) { // [HGM] seekgraph
7934 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7935 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7939 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7940 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7941 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7942 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7943 if(action == Press) {
7944 originalFlip = flipView;
7945 flipView = !flipView; // temporarily flip board to see game from partners perspective
7946 DrawPosition(TRUE, partnerBoard);
7947 DisplayMessage(partnerStatus, "");
7949 } else if(action == Release) {
7950 flipView = originalFlip;
7951 DrawPosition(TRUE, boards[currentMove]);
7957 xSqr = EventToSquare(x, BOARD_WIDTH);
7958 ySqr = EventToSquare(y, BOARD_HEIGHT);
7959 if (action == Release) {
7960 if(pieceSweep != EmptySquare) {
7961 EditPositionMenuEvent(pieceSweep, toX, toY);
7962 pieceSweep = EmptySquare;
7963 } else UnLoadPV(); // [HGM] pv
7965 if (action != Press) return -2; // return code to be ignored
7968 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7970 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7971 if (xSqr < 0 || ySqr < 0) return -1;
7972 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7973 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7974 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7975 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7979 if(!appData.icsEngineAnalyze) return -1;
7980 case IcsPlayingWhite:
7981 case IcsPlayingBlack:
7982 if(!appData.zippyPlay) goto noZip;
7985 case MachinePlaysWhite:
7986 case MachinePlaysBlack:
7987 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7988 if (!appData.dropMenu) {
7990 return 2; // flag front-end to grab mouse events
7992 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7993 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7996 if (xSqr < 0 || ySqr < 0) return -1;
7997 if (!appData.dropMenu || appData.testLegality &&
7998 gameInfo.variant != VariantBughouse &&
7999 gameInfo.variant != VariantCrazyhouse) return -1;
8000 whichMenu = 1; // drop menu
8006 if (((*fromX = xSqr) < 0) ||
8007 ((*fromY = ySqr) < 0)) {
8008 *fromX = *fromY = -1;
8012 *fromX = BOARD_WIDTH - 1 - *fromX;
8014 *fromY = BOARD_HEIGHT - 1 - *fromY;
8020 Wheel (int dir, int x, int y)
8022 if(gameMode == EditPosition) {
8023 int xSqr = EventToSquare(x, BOARD_WIDTH);
8024 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8025 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8026 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8028 boards[currentMove][ySqr][xSqr] += dir;
8029 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8030 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8031 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8032 DrawPosition(FALSE, boards[currentMove]);
8033 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8037 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8039 // char * hint = lastHint;
8040 FrontEndProgramStats stats;
8042 stats.which = cps == &first ? 0 : 1;
8043 stats.depth = cpstats->depth;
8044 stats.nodes = cpstats->nodes;
8045 stats.score = cpstats->score;
8046 stats.time = cpstats->time;
8047 stats.pv = cpstats->movelist;
8048 stats.hint = lastHint;
8049 stats.an_move_index = 0;
8050 stats.an_move_count = 0;
8052 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8053 stats.hint = cpstats->move_name;
8054 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8055 stats.an_move_count = cpstats->nr_moves;
8058 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
8060 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8061 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8063 SetProgramStats( &stats );
8067 ClearEngineOutputPane (int which)
8069 static FrontEndProgramStats dummyStats;
8070 dummyStats.which = which;
8071 dummyStats.pv = "#";
8072 SetProgramStats( &dummyStats );
8075 #define MAXPLAYERS 500
8078 TourneyStandings (int display)
8080 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8081 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8082 char result, *p, *names[MAXPLAYERS];
8084 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8085 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8086 names[0] = p = strdup(appData.participants);
8087 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8089 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8091 while(result = appData.results[nr]) {
8092 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8093 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8094 wScore = bScore = 0;
8096 case '+': wScore = 2; break;
8097 case '-': bScore = 2; break;
8098 case '=': wScore = bScore = 1; break;
8100 case '*': return strdup("busy"); // tourney not finished
8108 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8109 for(w=0; w<nPlayers; w++) {
8111 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8112 ranking[w] = b; points[w] = bScore; score[b] = -2;
8114 p = malloc(nPlayers*34+1);
8115 for(w=0; w<nPlayers && w<display; w++)
8116 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8122 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8123 { // count all piece types
8125 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8126 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8127 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8130 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8131 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8132 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8133 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8134 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8135 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8140 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8142 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8143 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8145 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8146 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8147 if(myPawns == 2 && nMine == 3) // KPP
8148 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8149 if(myPawns == 1 && nMine == 2) // KP
8150 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8151 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8152 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8153 if(myPawns) return FALSE;
8154 if(pCnt[WhiteRook+side])
8155 return pCnt[BlackRook-side] ||
8156 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8157 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8158 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8159 if(pCnt[WhiteCannon+side]) {
8160 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8161 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8163 if(pCnt[WhiteKnight+side])
8164 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8169 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8171 VariantClass v = gameInfo.variant;
8173 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8174 if(v == VariantShatranj) return TRUE; // always winnable through baring
8175 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8176 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8178 if(v == VariantXiangqi) {
8179 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8181 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8182 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8183 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8184 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8185 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8186 if(stale) // we have at least one last-rank P plus perhaps C
8187 return majors // KPKX
8188 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8190 return pCnt[WhiteFerz+side] // KCAK
8191 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8192 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8193 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8195 } else if(v == VariantKnightmate) {
8196 if(nMine == 1) return FALSE;
8197 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8198 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8199 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8201 if(nMine == 1) return FALSE; // bare King
8202 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
8203 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8204 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8205 // by now we have King + 1 piece (or multiple Bishops on the same color)
8206 if(pCnt[WhiteKnight+side])
8207 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8208 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8209 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8211 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8212 if(pCnt[WhiteAlfil+side])
8213 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8214 if(pCnt[WhiteWazir+side])
8215 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8222 CompareWithRights (Board b1, Board b2)
8225 if(!CompareBoards(b1, b2)) return FALSE;
8226 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8227 /* compare castling rights */
8228 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8229 rights++; /* King lost rights, while rook still had them */
8230 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8231 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8232 rights++; /* but at least one rook lost them */
8234 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8236 if( b1[CASTLING][5] != NoRights ) {
8237 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8244 Adjudicate (ChessProgramState *cps)
8245 { // [HGM] some adjudications useful with buggy engines
8246 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8247 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8248 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8249 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8250 int k, drop, count = 0; static int bare = 1;
8251 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8252 Boolean canAdjudicate = !appData.icsActive;
8254 // most tests only when we understand the game, i.e. legality-checking on
8255 if( appData.testLegality )
8256 { /* [HGM] Some more adjudications for obstinate engines */
8257 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8258 static int moveCount = 6;
8260 char *reason = NULL;
8262 /* Count what is on board. */
8263 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8265 /* Some material-based adjudications that have to be made before stalemate test */
8266 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8267 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8268 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8269 if(canAdjudicate && appData.checkMates) {
8271 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8272 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8273 "Xboard adjudication: King destroyed", GE_XBOARD );
8278 /* Bare King in Shatranj (loses) or Losers (wins) */
8279 if( nrW == 1 || nrB == 1) {
8280 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8281 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8282 if(canAdjudicate && appData.checkMates) {
8284 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8285 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8286 "Xboard adjudication: Bare king", GE_XBOARD );
8290 if( gameInfo.variant == VariantShatranj && --bare < 0)
8292 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8293 if(canAdjudicate && appData.checkMates) {
8294 /* but only adjudicate if adjudication enabled */
8296 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8297 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8298 "Xboard adjudication: Bare king", GE_XBOARD );
8305 // don't wait for engine to announce game end if we can judge ourselves
8306 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8308 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8309 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8310 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8311 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8314 reason = "Xboard adjudication: 3rd check";
8315 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8326 reason = "Xboard adjudication: Stalemate";
8327 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8328 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8329 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8330 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8331 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8332 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8333 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8334 EP_CHECKMATE : EP_WINS);
8335 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8336 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8340 reason = "Xboard adjudication: Checkmate";
8341 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8342 if(gameInfo.variant == VariantShogi) {
8343 if(forwardMostMove > backwardMostMove
8344 && moveList[forwardMostMove-1][1] == '@'
8345 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8346 reason = "XBoard adjudication: pawn-drop mate";
8347 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8353 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8355 result = GameIsDrawn; break;
8357 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8359 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8363 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8365 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8366 GameEnds( result, reason, GE_XBOARD );
8370 /* Next absolutely insufficient mating material. */
8371 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8372 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8373 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8375 /* always flag draws, for judging claims */
8376 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8378 if(canAdjudicate && appData.materialDraws) {
8379 /* but only adjudicate them if adjudication enabled */
8380 if(engineOpponent) {
8381 SendToProgram("force\n", engineOpponent); // suppress reply
8382 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8384 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8389 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8390 if(gameInfo.variant == VariantXiangqi ?
8391 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8393 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8394 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8395 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8396 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8398 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8399 { /* if the first 3 moves do not show a tactical win, declare draw */
8400 if(engineOpponent) {
8401 SendToProgram("force\n", engineOpponent); // suppress reply
8402 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8404 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8407 } else moveCount = 6;
8410 // Repetition draws and 50-move rule can be applied independently of legality testing
8412 /* Check for rep-draws */
8414 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8415 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8416 for(k = forwardMostMove-2;
8417 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8418 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8419 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8422 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8423 /* compare castling rights */
8424 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8425 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8426 rights++; /* King lost rights, while rook still had them */
8427 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8428 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8429 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8430 rights++; /* but at least one rook lost them */
8432 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8433 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8435 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8436 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8437 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8440 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8441 && appData.drawRepeats > 1) {
8442 /* adjudicate after user-specified nr of repeats */
8443 int result = GameIsDrawn;
8444 char *details = "XBoard adjudication: repetition draw";
8445 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8446 // [HGM] xiangqi: check for forbidden perpetuals
8447 int m, ourPerpetual = 1, hisPerpetual = 1;
8448 for(m=forwardMostMove; m>k; m-=2) {
8449 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8450 ourPerpetual = 0; // the current mover did not always check
8451 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8452 hisPerpetual = 0; // the opponent did not always check
8454 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8455 ourPerpetual, hisPerpetual);
8456 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8457 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8458 details = "Xboard adjudication: perpetual checking";
8460 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8461 break; // (or we would have caught him before). Abort repetition-checking loop.
8463 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8464 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8466 details = "Xboard adjudication: repetition";
8468 } else // it must be XQ
8469 // Now check for perpetual chases
8470 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8471 hisPerpetual = PerpetualChase(k, forwardMostMove);
8472 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8473 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8474 static char resdet[MSG_SIZ];
8475 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8477 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8479 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8480 break; // Abort repetition-checking loop.
8482 // if neither of us is checking or chasing all the time, or both are, it is draw
8484 if(engineOpponent) {
8485 SendToProgram("force\n", engineOpponent); // suppress reply
8486 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8488 GameEnds( result, details, GE_XBOARD );
8491 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8492 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8496 /* Now we test for 50-move draws. Determine ply count */
8497 count = forwardMostMove;
8498 /* look for last irreversble move */
8499 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8501 /* if we hit starting position, add initial plies */
8502 if( count == backwardMostMove )
8503 count -= initialRulePlies;
8504 count = forwardMostMove - count;
8505 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8506 // adjust reversible move counter for checks in Xiangqi
8507 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8508 if(i < backwardMostMove) i = backwardMostMove;
8509 while(i <= forwardMostMove) {
8510 lastCheck = inCheck; // check evasion does not count
8511 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8512 if(inCheck || lastCheck) count--; // check does not count
8517 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8518 /* this is used to judge if draw claims are legal */
8519 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8520 if(engineOpponent) {
8521 SendToProgram("force\n", engineOpponent); // suppress reply
8522 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8524 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8528 /* if draw offer is pending, treat it as a draw claim
8529 * when draw condition present, to allow engines a way to
8530 * claim draws before making their move to avoid a race
8531 * condition occurring after their move
8533 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8535 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8536 p = "Draw claim: 50-move rule";
8537 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8538 p = "Draw claim: 3-fold repetition";
8539 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8540 p = "Draw claim: insufficient mating material";
8541 if( p != NULL && canAdjudicate) {
8542 if(engineOpponent) {
8543 SendToProgram("force\n", engineOpponent); // suppress reply
8544 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8546 GameEnds( GameIsDrawn, p, GE_XBOARD );
8551 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8552 if(engineOpponent) {
8553 SendToProgram("force\n", engineOpponent); // suppress reply
8554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8556 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8562 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8563 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8564 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8569 int pieces[10], squares[10], cnt=0, r, f, res;
8571 static PPROBE_EGBB probeBB;
8572 if(!appData.testLegality) return 10;
8573 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8574 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8575 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8576 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8577 ChessSquare piece = boards[forwardMostMove][r][f];
8578 int black = (piece >= BlackPawn);
8579 int type = piece - black*BlackPawn;
8580 if(piece == EmptySquare) continue;
8581 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8582 if(type == WhiteKing) type = WhiteQueen + 1;
8583 type = egbbCode[type];
8584 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8585 pieces[cnt] = type + black*6;
8586 if(++cnt > 5) return 11;
8588 pieces[cnt] = squares[cnt] = 0;
8590 if(loaded == 2) return 13; // loading failed before
8592 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8595 loaded = 2; // prepare for failure
8596 if(!path) return 13; // no egbb installed
8597 strncpy(buf, path + 8, MSG_SIZ);
8598 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8599 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8600 lib = LoadLibrary(buf);
8601 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8602 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8603 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8604 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8605 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8606 loaded = 1; // success!
8608 res = probeBB(forwardMostMove & 1, pieces, squares);
8609 return res > 0 ? 1 : res < 0 ? -1 : 0;
8613 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8614 { // [HGM] book: this routine intercepts moves to simulate book replies
8615 char *bookHit = NULL;
8617 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8619 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8620 SendToProgram(buf, cps);
8622 //first determine if the incoming move brings opponent into his book
8623 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8624 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8625 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8626 if(bookHit != NULL && !cps->bookSuspend) {
8627 // make sure opponent is not going to reply after receiving move to book position
8628 SendToProgram("force\n", cps);
8629 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8631 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8632 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8633 // now arrange restart after book miss
8635 // after a book hit we never send 'go', and the code after the call to this routine
8636 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8637 char buf[MSG_SIZ], *move = bookHit;
8639 int fromX, fromY, toX, toY;
8643 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8644 &fromX, &fromY, &toX, &toY, &promoChar)) {
8645 (void) CoordsToAlgebraic(boards[forwardMostMove],
8646 PosFlags(forwardMostMove),
8647 fromY, fromX, toY, toX, promoChar, move);
8649 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8653 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8654 SendToProgram(buf, cps);
8655 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8656 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8657 SendToProgram("go\n", cps);
8658 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8659 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8660 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8661 SendToProgram("go\n", cps);
8662 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8664 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8668 LoadError (char *errmess, ChessProgramState *cps)
8669 { // unloads engine and switches back to -ncp mode if it was first
8670 if(cps->initDone) return FALSE;
8671 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8672 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8675 appData.noChessProgram = TRUE;
8676 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8677 gameMode = BeginningOfGame; ModeHighlight();
8680 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8681 DisplayMessage("", ""); // erase waiting message
8682 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8687 ChessProgramState *savedState;
8689 DeferredBookMove (void)
8691 if(savedState->lastPing != savedState->lastPong)
8692 ScheduleDelayedEvent(DeferredBookMove, 10);
8694 HandleMachineMove(savedMessage, savedState);
8697 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8698 static ChessProgramState *stalledEngine;
8699 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8702 HandleMachineMove (char *message, ChessProgramState *cps)
8704 static char firstLeg[20], legs;
8705 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8706 char realname[MSG_SIZ];
8707 int fromX, fromY, toX, toY;
8709 char promoChar, roar;
8714 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8715 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8716 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8717 DisplayError(_("Invalid pairing from pairing engine"), 0);
8720 pairingReceived = 1;
8722 return; // Skim the pairing messages here.
8725 oldError = cps->userError; cps->userError = 0;
8727 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8729 * Kludge to ignore BEL characters
8731 while (*message == '\007') message++;
8734 * [HGM] engine debug message: ignore lines starting with '#' character
8736 if(cps->debug && *message == '#') return;
8739 * Look for book output
8741 if (cps == &first && bookRequested) {
8742 if (message[0] == '\t' || message[0] == ' ') {
8743 /* Part of the book output is here; append it */
8744 strcat(bookOutput, message);
8745 strcat(bookOutput, " \n");
8747 } else if (bookOutput[0] != NULLCHAR) {
8748 /* All of book output has arrived; display it */
8749 char *p = bookOutput;
8750 while (*p != NULLCHAR) {
8751 if (*p == '\t') *p = ' ';
8754 DisplayInformation(bookOutput);
8755 bookRequested = FALSE;
8756 /* Fall through to parse the current output */
8761 * Look for machine move.
8763 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8764 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8766 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8767 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8768 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8769 stalledEngine = cps;
8770 if(appData.ponderNextMove) { // bring opponent out of ponder
8771 if(gameMode == TwoMachinesPlay) {
8772 if(cps->other->pause)
8773 PauseEngine(cps->other);
8775 SendToProgram("easy\n", cps->other);
8784 /* This method is only useful on engines that support ping */
8785 if(abortEngineThink) {
8786 if (appData.debugMode) {
8787 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8789 SendToProgram("undo\n", cps);
8793 if (cps->lastPing != cps->lastPong) {
8794 /* Extra move from before last new; ignore */
8795 if (appData.debugMode) {
8796 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8803 int machineWhite = FALSE;
8806 case BeginningOfGame:
8807 /* Extra move from before last reset; ignore */
8808 if (appData.debugMode) {
8809 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8816 /* Extra move after we tried to stop. The mode test is
8817 not a reliable way of detecting this problem, but it's
8818 the best we can do on engines that don't support ping.
8820 if (appData.debugMode) {
8821 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8822 cps->which, gameMode);
8824 SendToProgram("undo\n", cps);
8827 case MachinePlaysWhite:
8828 case IcsPlayingWhite:
8829 machineWhite = TRUE;
8832 case MachinePlaysBlack:
8833 case IcsPlayingBlack:
8834 machineWhite = FALSE;
8837 case TwoMachinesPlay:
8838 machineWhite = (cps->twoMachinesColor[0] == 'w');
8841 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8842 if (appData.debugMode) {
8844 "Ignoring move out of turn by %s, gameMode %d"
8845 ", forwardMost %d\n",
8846 cps->which, gameMode, forwardMostMove);
8852 if(cps->alphaRank) AlphaRank(machineMove, 4);
8854 // [HGM] lion: (some very limited) support for Alien protocol
8855 killX = killY = kill2X = kill2Y = -1;
8856 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8857 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8858 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8861 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8862 char *q = strchr(p+1, ','); // second comma?
8863 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8864 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8865 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8867 if(firstLeg[0]) { // there was a previous leg;
8868 // only support case where same piece makes two step
8869 char buf[20], *p = machineMove+1, *q = buf+1, f;
8870 safeStrCpy(buf, machineMove, 20);
8871 while(isdigit(*q)) q++; // find start of to-square
8872 safeStrCpy(machineMove, firstLeg, 20);
8873 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8874 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
8875 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)
8876 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8877 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8878 firstLeg[0] = NULLCHAR; legs = 0;
8881 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8882 &fromX, &fromY, &toX, &toY, &promoChar)) {
8883 /* Machine move could not be parsed; ignore it. */
8884 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8885 machineMove, _(cps->which));
8886 DisplayMoveError(buf1);
8887 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8888 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8889 if (gameMode == TwoMachinesPlay) {
8890 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8896 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8897 /* So we have to redo legality test with true e.p. status here, */
8898 /* to make sure an illegal e.p. capture does not slip through, */
8899 /* to cause a forfeit on a justified illegal-move complaint */
8900 /* of the opponent. */
8901 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8903 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8904 fromY, fromX, toY, toX, promoChar);
8905 if(moveType == IllegalMove) {
8906 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8907 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8908 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8911 } else if(!appData.fischerCastling)
8912 /* [HGM] Kludge to handle engines that send FRC-style castling
8913 when they shouldn't (like TSCP-Gothic) */
8915 case WhiteASideCastleFR:
8916 case BlackASideCastleFR:
8918 currentMoveString[2]++;
8920 case WhiteHSideCastleFR:
8921 case BlackHSideCastleFR:
8923 currentMoveString[2]--;
8925 default: ; // nothing to do, but suppresses warning of pedantic compilers
8928 hintRequested = FALSE;
8929 lastHint[0] = NULLCHAR;
8930 bookRequested = FALSE;
8931 /* Program may be pondering now */
8932 cps->maybeThinking = TRUE;
8933 if (cps->sendTime == 2) cps->sendTime = 1;
8934 if (cps->offeredDraw) cps->offeredDraw--;
8936 /* [AS] Save move info*/
8937 pvInfoList[ forwardMostMove ].score = programStats.score;
8938 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8939 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8941 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8943 /* Test suites abort the 'game' after one move */
8944 if(*appData.finger) {
8946 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8947 if(!f) f = fopen(appData.finger, "w");
8948 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8949 else { DisplayFatalError("Bad output file", errno, 0); return; }
8951 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8954 if(solvingTime >= 0) {
8955 snprintf(buf1, MSG_SIZ, _("%d. solved %4.2fs\n"), matchGame, solvingTime/100.);
8956 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8958 snprintf(buf1, MSG_SIZ, _("%d. wrong (%s)\n"), matchGame, parseList[backwardMostMove]);
8961 OutputKibitz(2, buf1);
8962 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8965 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8966 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8969 while( count < adjudicateLossPlies ) {
8970 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8973 score = -score; /* Flip score for winning side */
8976 if( score > appData.adjudicateLossThreshold ) {
8983 if( count >= adjudicateLossPlies ) {
8984 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8986 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8987 "Xboard adjudication",
8994 if(Adjudicate(cps)) {
8995 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8996 return; // [HGM] adjudicate: for all automatic game ends
9000 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9002 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9003 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9005 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9007 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9009 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9010 char buf[3*MSG_SIZ];
9012 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9013 programStats.score / 100.,
9015 programStats.time / 100.,
9016 (unsigned int)programStats.nodes,
9017 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9018 programStats.movelist);
9024 /* [AS] Clear stats for next move */
9025 ClearProgramStats();
9026 thinkOutput[0] = NULLCHAR;
9027 hiddenThinkOutputState = 0;
9030 if (gameMode == TwoMachinesPlay) {
9031 /* [HGM] relaying draw offers moved to after reception of move */
9032 /* and interpreting offer as claim if it brings draw condition */
9033 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9034 SendToProgram("draw\n", cps->other);
9036 if (cps->other->sendTime) {
9037 SendTimeRemaining(cps->other,
9038 cps->other->twoMachinesColor[0] == 'w');
9040 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9041 if (firstMove && !bookHit) {
9043 if (cps->other->useColors) {
9044 SendToProgram(cps->other->twoMachinesColor, cps->other);
9046 SendToProgram("go\n", cps->other);
9048 cps->other->maybeThinking = TRUE;
9051 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9053 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9055 if (!pausing && appData.ringBellAfterMoves) {
9056 if(!roar) RingBell();
9060 * Reenable menu items that were disabled while
9061 * machine was thinking
9063 if (gameMode != TwoMachinesPlay)
9064 SetUserThinkingEnables();
9066 // [HGM] book: after book hit opponent has received move and is now in force mode
9067 // force the book reply into it, and then fake that it outputted this move by jumping
9068 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9070 static char bookMove[MSG_SIZ]; // a bit generous?
9072 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9073 strcat(bookMove, bookHit);
9076 programStats.nodes = programStats.depth = programStats.time =
9077 programStats.score = programStats.got_only_move = 0;
9078 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9080 if(cps->lastPing != cps->lastPong) {
9081 savedMessage = message; // args for deferred call
9083 ScheduleDelayedEvent(DeferredBookMove, 10);
9092 /* Set special modes for chess engines. Later something general
9093 * could be added here; for now there is just one kludge feature,
9094 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9095 * when "xboard" is given as an interactive command.
9097 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9098 cps->useSigint = FALSE;
9099 cps->useSigterm = FALSE;
9101 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9102 ParseFeatures(message+8, cps);
9103 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9106 if (!strncmp(message, "setup ", 6) &&
9107 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9108 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9109 ) { // [HGM] allow first engine to define opening position
9110 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9111 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9113 if(sscanf(message, "setup (%s", buf) == 1) {
9114 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9115 ASSIGN(appData.pieceToCharTable, buf);
9117 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9119 while(message[s] && message[s++] != ' ');
9120 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9121 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9122 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9123 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9124 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9125 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9126 startedFromSetupPosition = FALSE;
9129 if(startedFromSetupPosition) return;
9130 ParseFEN(boards[0], &dummy, message+s, FALSE);
9131 DrawPosition(TRUE, boards[0]);
9132 CopyBoard(initialPosition, boards[0]);
9133 startedFromSetupPosition = TRUE;
9136 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9137 ChessSquare piece = WhitePawn;
9138 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9139 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9140 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9141 piece += CharToPiece(ID & 255) - WhitePawn;
9142 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9143 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9144 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9145 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9146 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9147 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9148 && gameInfo.variant != VariantGreat
9149 && gameInfo.variant != VariantFairy ) return;
9150 if(piece < EmptySquare) {
9152 ASSIGN(pieceDesc[piece], buf1);
9153 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9157 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9158 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9162 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9163 * want this, I was asked to put it in, and obliged.
9165 if (!strncmp(message, "setboard ", 9)) {
9166 Board initial_position;
9168 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9170 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9171 DisplayError(_("Bad FEN received from engine"), 0);
9175 CopyBoard(boards[0], initial_position);
9176 initialRulePlies = FENrulePlies;
9177 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9178 else gameMode = MachinePlaysBlack;
9179 DrawPosition(FALSE, boards[currentMove]);
9185 * Look for communication commands
9187 if (!strncmp(message, "telluser ", 9)) {
9188 if(message[9] == '\\' && message[10] == '\\')
9189 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9191 DisplayNote(message + 9);
9194 if (!strncmp(message, "tellusererror ", 14)) {
9196 if(message[14] == '\\' && message[15] == '\\')
9197 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9199 DisplayError(message + 14, 0);
9202 if (!strncmp(message, "tellopponent ", 13)) {
9203 if (appData.icsActive) {
9205 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9209 DisplayNote(message + 13);
9213 if (!strncmp(message, "tellothers ", 11)) {
9214 if (appData.icsActive) {
9216 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9219 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9222 if (!strncmp(message, "tellall ", 8)) {
9223 if (appData.icsActive) {
9225 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9229 DisplayNote(message + 8);
9233 if (strncmp(message, "warning", 7) == 0) {
9234 /* Undocumented feature, use tellusererror in new code */
9235 DisplayError(message, 0);
9238 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9239 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9240 strcat(realname, " query");
9241 AskQuestion(realname, buf2, buf1, cps->pr);
9244 /* Commands from the engine directly to ICS. We don't allow these to be
9245 * sent until we are logged on. Crafty kibitzes have been known to
9246 * interfere with the login process.
9249 if (!strncmp(message, "tellics ", 8)) {
9250 SendToICS(message + 8);
9254 if (!strncmp(message, "tellicsnoalias ", 15)) {
9255 SendToICS(ics_prefix);
9256 SendToICS(message + 15);
9260 /* The following are for backward compatibility only */
9261 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9262 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9263 SendToICS(ics_prefix);
9269 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9270 if(initPing == cps->lastPong) {
9271 if(gameInfo.variant == VariantUnknown) {
9272 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9273 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9274 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9278 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9279 abortEngineThink = FALSE;
9280 DisplayMessage("", "");
9285 if(!strncmp(message, "highlight ", 10)) {
9286 if(appData.testLegality && !*engineVariant && appData.markers) return;
9287 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9290 if(!strncmp(message, "click ", 6)) {
9291 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9292 if(appData.testLegality || !appData.oneClick) return;
9293 sscanf(message+6, "%c%d%c", &f, &y, &c);
9294 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9295 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9296 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9297 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9298 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9299 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9300 LeftClick(Release, lastLeftX, lastLeftY);
9301 controlKey = (c == ',');
9302 LeftClick(Press, x, y);
9303 LeftClick(Release, x, y);
9304 first.highlight = f;
9308 * If the move is illegal, cancel it and redraw the board.
9309 * Also deal with other error cases. Matching is rather loose
9310 * here to accommodate engines written before the spec.
9312 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9313 strncmp(message, "Error", 5) == 0) {
9314 if (StrStr(message, "name") ||
9315 StrStr(message, "rating") || StrStr(message, "?") ||
9316 StrStr(message, "result") || StrStr(message, "board") ||
9317 StrStr(message, "bk") || StrStr(message, "computer") ||
9318 StrStr(message, "variant") || StrStr(message, "hint") ||
9319 StrStr(message, "random") || StrStr(message, "depth") ||
9320 StrStr(message, "accepted")) {
9323 if (StrStr(message, "protover")) {
9324 /* Program is responding to input, so it's apparently done
9325 initializing, and this error message indicates it is
9326 protocol version 1. So we don't need to wait any longer
9327 for it to initialize and send feature commands. */
9328 FeatureDone(cps, 1);
9329 cps->protocolVersion = 1;
9332 cps->maybeThinking = FALSE;
9334 if (StrStr(message, "draw")) {
9335 /* Program doesn't have "draw" command */
9336 cps->sendDrawOffers = 0;
9339 if (cps->sendTime != 1 &&
9340 (StrStr(message, "time") || StrStr(message, "otim"))) {
9341 /* Program apparently doesn't have "time" or "otim" command */
9345 if (StrStr(message, "analyze")) {
9346 cps->analysisSupport = FALSE;
9347 cps->analyzing = FALSE;
9348 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9349 EditGameEvent(); // [HGM] try to preserve loaded game
9350 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9351 DisplayError(buf2, 0);
9354 if (StrStr(message, "(no matching move)st")) {
9355 /* Special kludge for GNU Chess 4 only */
9356 cps->stKludge = TRUE;
9357 SendTimeControl(cps, movesPerSession, timeControl,
9358 timeIncrement, appData.searchDepth,
9362 if (StrStr(message, "(no matching move)sd")) {
9363 /* Special kludge for GNU Chess 4 only */
9364 cps->sdKludge = TRUE;
9365 SendTimeControl(cps, movesPerSession, timeControl,
9366 timeIncrement, appData.searchDepth,
9370 if (!StrStr(message, "llegal")) {
9373 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9374 gameMode == IcsIdle) return;
9375 if (forwardMostMove <= backwardMostMove) return;
9376 if (pausing) PauseEvent();
9377 if(appData.forceIllegal) {
9378 // [HGM] illegal: machine refused move; force position after move into it
9379 SendToProgram("force\n", cps);
9380 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9381 // we have a real problem now, as SendBoard will use the a2a3 kludge
9382 // when black is to move, while there might be nothing on a2 or black
9383 // might already have the move. So send the board as if white has the move.
9384 // But first we must change the stm of the engine, as it refused the last move
9385 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9386 if(WhiteOnMove(forwardMostMove)) {
9387 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9388 SendBoard(cps, forwardMostMove); // kludgeless board
9390 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9391 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9392 SendBoard(cps, forwardMostMove+1); // kludgeless board
9394 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9395 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9396 gameMode == TwoMachinesPlay)
9397 SendToProgram("go\n", cps);
9400 if (gameMode == PlayFromGameFile) {
9401 /* Stop reading this game file */
9402 gameMode = EditGame;
9405 /* [HGM] illegal-move claim should forfeit game when Xboard */
9406 /* only passes fully legal moves */
9407 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9408 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9409 "False illegal-move claim", GE_XBOARD );
9410 return; // do not take back move we tested as valid
9412 currentMove = forwardMostMove-1;
9413 DisplayMove(currentMove-1); /* before DisplayMoveError */
9414 SwitchClocks(forwardMostMove-1); // [HGM] race
9415 DisplayBothClocks();
9416 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9417 parseList[currentMove], _(cps->which));
9418 DisplayMoveError(buf1);
9419 DrawPosition(FALSE, boards[currentMove]);
9421 SetUserThinkingEnables();
9424 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9425 /* Program has a broken "time" command that
9426 outputs a string not ending in newline.
9430 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9431 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9432 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9436 * If chess program startup fails, exit with an error message.
9437 * Attempts to recover here are futile. [HGM] Well, we try anyway
9439 if ((StrStr(message, "unknown host") != NULL)
9440 || (StrStr(message, "No remote directory") != NULL)
9441 || (StrStr(message, "not found") != NULL)
9442 || (StrStr(message, "No such file") != NULL)
9443 || (StrStr(message, "can't alloc") != NULL)
9444 || (StrStr(message, "Permission denied") != NULL)) {
9446 cps->maybeThinking = FALSE;
9447 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9448 _(cps->which), cps->program, cps->host, message);
9449 RemoveInputSource(cps->isr);
9450 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9451 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9452 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9458 * Look for hint output
9460 if (sscanf(message, "Hint: %s", buf1) == 1) {
9461 if (cps == &first && hintRequested) {
9462 hintRequested = FALSE;
9463 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9464 &fromX, &fromY, &toX, &toY, &promoChar)) {
9465 (void) CoordsToAlgebraic(boards[forwardMostMove],
9466 PosFlags(forwardMostMove),
9467 fromY, fromX, toY, toX, promoChar, buf1);
9468 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9469 DisplayInformation(buf2);
9471 /* Hint move could not be parsed!? */
9472 snprintf(buf2, sizeof(buf2),
9473 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9474 buf1, _(cps->which));
9475 DisplayError(buf2, 0);
9478 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9484 * Ignore other messages if game is not in progress
9486 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9487 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9490 * look for win, lose, draw, or draw offer
9492 if (strncmp(message, "1-0", 3) == 0) {
9493 char *p, *q, *r = "";
9494 p = strchr(message, '{');
9502 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9504 } else if (strncmp(message, "0-1", 3) == 0) {
9505 char *p, *q, *r = "";
9506 p = strchr(message, '{');
9514 /* Kludge for Arasan 4.1 bug */
9515 if (strcmp(r, "Black resigns") == 0) {
9516 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9519 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9521 } else if (strncmp(message, "1/2", 3) == 0) {
9522 char *p, *q, *r = "";
9523 p = strchr(message, '{');
9532 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9535 } else if (strncmp(message, "White resign", 12) == 0) {
9536 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9538 } else if (strncmp(message, "Black resign", 12) == 0) {
9539 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9541 } else if (strncmp(message, "White matches", 13) == 0 ||
9542 strncmp(message, "Black matches", 13) == 0 ) {
9543 /* [HGM] ignore GNUShogi noises */
9545 } else if (strncmp(message, "White", 5) == 0 &&
9546 message[5] != '(' &&
9547 StrStr(message, "Black") == NULL) {
9548 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9550 } else if (strncmp(message, "Black", 5) == 0 &&
9551 message[5] != '(') {
9552 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9554 } else if (strcmp(message, "resign") == 0 ||
9555 strcmp(message, "computer resigns") == 0) {
9557 case MachinePlaysBlack:
9558 case IcsPlayingBlack:
9559 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9561 case MachinePlaysWhite:
9562 case IcsPlayingWhite:
9563 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9565 case TwoMachinesPlay:
9566 if (cps->twoMachinesColor[0] == 'w')
9567 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9569 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9576 } else if (strncmp(message, "opponent mates", 14) == 0) {
9578 case MachinePlaysBlack:
9579 case IcsPlayingBlack:
9580 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9582 case MachinePlaysWhite:
9583 case IcsPlayingWhite:
9584 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9586 case TwoMachinesPlay:
9587 if (cps->twoMachinesColor[0] == 'w')
9588 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9590 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9597 } else if (strncmp(message, "computer mates", 14) == 0) {
9599 case MachinePlaysBlack:
9600 case IcsPlayingBlack:
9601 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9603 case MachinePlaysWhite:
9604 case IcsPlayingWhite:
9605 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9607 case TwoMachinesPlay:
9608 if (cps->twoMachinesColor[0] == 'w')
9609 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9611 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9618 } else if (strncmp(message, "checkmate", 9) == 0) {
9619 if (WhiteOnMove(forwardMostMove)) {
9620 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9622 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9625 } else if (strstr(message, "Draw") != NULL ||
9626 strstr(message, "game is a draw") != NULL) {
9627 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9629 } else if (strstr(message, "offer") != NULL &&
9630 strstr(message, "draw") != NULL) {
9632 if (appData.zippyPlay && first.initDone) {
9633 /* Relay offer to ICS */
9634 SendToICS(ics_prefix);
9635 SendToICS("draw\n");
9638 cps->offeredDraw = 2; /* valid until this engine moves twice */
9639 if (gameMode == TwoMachinesPlay) {
9640 if (cps->other->offeredDraw) {
9641 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9642 /* [HGM] in two-machine mode we delay relaying draw offer */
9643 /* until after we also have move, to see if it is really claim */
9645 } else if (gameMode == MachinePlaysWhite ||
9646 gameMode == MachinePlaysBlack) {
9647 if (userOfferedDraw) {
9648 DisplayInformation(_("Machine accepts your draw offer"));
9649 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9651 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9658 * Look for thinking output
9660 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9661 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9663 int plylev, mvleft, mvtot, curscore, time;
9664 char mvname[MOVE_LEN];
9668 int prefixHint = FALSE;
9669 mvname[0] = NULLCHAR;
9672 case MachinePlaysBlack:
9673 case IcsPlayingBlack:
9674 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9676 case MachinePlaysWhite:
9677 case IcsPlayingWhite:
9678 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9683 case IcsObserving: /* [DM] icsEngineAnalyze */
9684 if (!appData.icsEngineAnalyze) ignore = TRUE;
9686 case TwoMachinesPlay:
9687 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9697 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9699 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9700 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9701 char score_buf[MSG_SIZ];
9703 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9704 nodes += u64Const(0x100000000);
9706 if (plyext != ' ' && plyext != '\t') {
9710 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9711 if( cps->scoreIsAbsolute &&
9712 ( gameMode == MachinePlaysBlack ||
9713 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9714 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9715 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9716 !WhiteOnMove(currentMove)
9719 curscore = -curscore;
9722 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9724 if(*bestMove) { // rememer time best EPD move was first found
9725 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9726 ChessMove mt; char *p = bestMove, solved = 0;
9727 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9728 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9729 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9730 solvingTime = (solvingTime < 0 ? time : solvingTime);
9734 while(*p && *p != ' ') p++;
9735 while(*p == ' ') p++;
9737 if(!solved) solvingTime = -1;
9740 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9743 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9744 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9745 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9746 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9747 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9748 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9752 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9753 DisplayError(_("failed writing PV"), 0);
9756 tempStats.depth = plylev;
9757 tempStats.nodes = nodes;
9758 tempStats.time = time;
9759 tempStats.score = curscore;
9760 tempStats.got_only_move = 0;
9762 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9765 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9766 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9767 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9768 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9769 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9770 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9771 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9772 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9775 /* Buffer overflow protection */
9776 if (pv[0] != NULLCHAR) {
9777 if (strlen(pv) >= sizeof(tempStats.movelist)
9778 && appData.debugMode) {
9780 "PV is too long; using the first %u bytes.\n",
9781 (unsigned) sizeof(tempStats.movelist) - 1);
9784 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9786 sprintf(tempStats.movelist, " no PV\n");
9789 if (tempStats.seen_stat) {
9790 tempStats.ok_to_send = 1;
9793 if (strchr(tempStats.movelist, '(') != NULL) {
9794 tempStats.line_is_book = 1;
9795 tempStats.nr_moves = 0;
9796 tempStats.moves_left = 0;
9798 tempStats.line_is_book = 0;
9801 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9802 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9804 SendProgramStatsToFrontend( cps, &tempStats );
9807 [AS] Protect the thinkOutput buffer from overflow... this
9808 is only useful if buf1 hasn't overflowed first!
9810 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9811 if(curscore >= MATE_SCORE)
9812 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9813 else if(curscore <= -MATE_SCORE)
9814 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9816 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9817 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9819 (gameMode == TwoMachinesPlay ?
9820 ToUpper(cps->twoMachinesColor[0]) : ' '),
9822 prefixHint ? lastHint : "",
9823 prefixHint ? " " : "" );
9825 if( buf1[0] != NULLCHAR ) {
9826 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9828 if( strlen(pv) > max_len ) {
9829 if( appData.debugMode) {
9830 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9832 pv[max_len+1] = '\0';
9835 strcat( thinkOutput, pv);
9838 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9839 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9840 DisplayMove(currentMove - 1);
9844 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9845 /* crafty (9.25+) says "(only move) <move>"
9846 * if there is only 1 legal move
9848 sscanf(p, "(only move) %s", buf1);
9849 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9850 sprintf(programStats.movelist, "%s (only move)", buf1);
9851 programStats.depth = 1;
9852 programStats.nr_moves = 1;
9853 programStats.moves_left = 1;
9854 programStats.nodes = 1;
9855 programStats.time = 1;
9856 programStats.got_only_move = 1;
9858 /* Not really, but we also use this member to
9859 mean "line isn't going to change" (Crafty
9860 isn't searching, so stats won't change) */
9861 programStats.line_is_book = 1;
9863 SendProgramStatsToFrontend( cps, &programStats );
9865 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9866 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9867 DisplayMove(currentMove - 1);
9870 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9871 &time, &nodes, &plylev, &mvleft,
9872 &mvtot, mvname) >= 5) {
9873 /* The stat01: line is from Crafty (9.29+) in response
9874 to the "." command */
9875 programStats.seen_stat = 1;
9876 cps->maybeThinking = TRUE;
9878 if (programStats.got_only_move || !appData.periodicUpdates)
9881 programStats.depth = plylev;
9882 programStats.time = time;
9883 programStats.nodes = nodes;
9884 programStats.moves_left = mvleft;
9885 programStats.nr_moves = mvtot;
9886 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9887 programStats.ok_to_send = 1;
9888 programStats.movelist[0] = '\0';
9890 SendProgramStatsToFrontend( cps, &programStats );
9894 } else if (strncmp(message,"++",2) == 0) {
9895 /* Crafty 9.29+ outputs this */
9896 programStats.got_fail = 2;
9899 } else if (strncmp(message,"--",2) == 0) {
9900 /* Crafty 9.29+ outputs this */
9901 programStats.got_fail = 1;
9904 } else if (thinkOutput[0] != NULLCHAR &&
9905 strncmp(message, " ", 4) == 0) {
9906 unsigned message_len;
9909 while (*p && *p == ' ') p++;
9911 message_len = strlen( p );
9913 /* [AS] Avoid buffer overflow */
9914 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9915 strcat(thinkOutput, " ");
9916 strcat(thinkOutput, p);
9919 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9920 strcat(programStats.movelist, " ");
9921 strcat(programStats.movelist, p);
9924 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9925 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9926 DisplayMove(currentMove - 1);
9934 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9935 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9937 ChessProgramStats cpstats;
9939 if (plyext != ' ' && plyext != '\t') {
9943 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9944 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9945 curscore = -curscore;
9948 cpstats.depth = plylev;
9949 cpstats.nodes = nodes;
9950 cpstats.time = time;
9951 cpstats.score = curscore;
9952 cpstats.got_only_move = 0;
9953 cpstats.movelist[0] = '\0';
9955 if (buf1[0] != NULLCHAR) {
9956 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9959 cpstats.ok_to_send = 0;
9960 cpstats.line_is_book = 0;
9961 cpstats.nr_moves = 0;
9962 cpstats.moves_left = 0;
9964 SendProgramStatsToFrontend( cps, &cpstats );
9971 /* Parse a game score from the character string "game", and
9972 record it as the history of the current game. The game
9973 score is NOT assumed to start from the standard position.
9974 The display is not updated in any way.
9977 ParseGameHistory (char *game)
9980 int fromX, fromY, toX, toY, boardIndex;
9985 if (appData.debugMode)
9986 fprintf(debugFP, "Parsing game history: %s\n", game);
9988 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9989 gameInfo.site = StrSave(appData.icsHost);
9990 gameInfo.date = PGNDate();
9991 gameInfo.round = StrSave("-");
9993 /* Parse out names of players */
9994 while (*game == ' ') game++;
9996 while (*game != ' ') *p++ = *game++;
9998 gameInfo.white = StrSave(buf);
9999 while (*game == ' ') game++;
10001 while (*game != ' ' && *game != '\n') *p++ = *game++;
10003 gameInfo.black = StrSave(buf);
10006 boardIndex = blackPlaysFirst ? 1 : 0;
10009 yyboardindex = boardIndex;
10010 moveType = (ChessMove) Myylex();
10011 switch (moveType) {
10012 case IllegalMove: /* maybe suicide chess, etc. */
10013 if (appData.debugMode) {
10014 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10015 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10016 setbuf(debugFP, NULL);
10018 case WhitePromotion:
10019 case BlackPromotion:
10020 case WhiteNonPromotion:
10021 case BlackNonPromotion:
10024 case WhiteCapturesEnPassant:
10025 case BlackCapturesEnPassant:
10026 case WhiteKingSideCastle:
10027 case WhiteQueenSideCastle:
10028 case BlackKingSideCastle:
10029 case BlackQueenSideCastle:
10030 case WhiteKingSideCastleWild:
10031 case WhiteQueenSideCastleWild:
10032 case BlackKingSideCastleWild:
10033 case BlackQueenSideCastleWild:
10035 case WhiteHSideCastleFR:
10036 case WhiteASideCastleFR:
10037 case BlackHSideCastleFR:
10038 case BlackASideCastleFR:
10040 fromX = currentMoveString[0] - AAA;
10041 fromY = currentMoveString[1] - ONE;
10042 toX = currentMoveString[2] - AAA;
10043 toY = currentMoveString[3] - ONE;
10044 promoChar = currentMoveString[4];
10048 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10049 fromX = moveType == WhiteDrop ?
10050 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10051 (int) CharToPiece(ToLower(currentMoveString[0]));
10053 toX = currentMoveString[2] - AAA;
10054 toY = currentMoveString[3] - ONE;
10055 promoChar = NULLCHAR;
10057 case AmbiguousMove:
10059 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10060 if (appData.debugMode) {
10061 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10062 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10063 setbuf(debugFP, NULL);
10065 DisplayError(buf, 0);
10067 case ImpossibleMove:
10069 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10070 if (appData.debugMode) {
10071 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10072 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10073 setbuf(debugFP, NULL);
10075 DisplayError(buf, 0);
10078 if (boardIndex < backwardMostMove) {
10079 /* Oops, gap. How did that happen? */
10080 DisplayError(_("Gap in move list"), 0);
10083 backwardMostMove = blackPlaysFirst ? 1 : 0;
10084 if (boardIndex > forwardMostMove) {
10085 forwardMostMove = boardIndex;
10089 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10090 strcat(parseList[boardIndex-1], " ");
10091 strcat(parseList[boardIndex-1], yy_text);
10103 case GameUnfinished:
10104 if (gameMode == IcsExamining) {
10105 if (boardIndex < backwardMostMove) {
10106 /* Oops, gap. How did that happen? */
10109 backwardMostMove = blackPlaysFirst ? 1 : 0;
10112 gameInfo.result = moveType;
10113 p = strchr(yy_text, '{');
10114 if (p == NULL) p = strchr(yy_text, '(');
10117 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10119 q = strchr(p, *p == '{' ? '}' : ')');
10120 if (q != NULL) *q = NULLCHAR;
10123 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10124 gameInfo.resultDetails = StrSave(p);
10127 if (boardIndex >= forwardMostMove &&
10128 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10129 backwardMostMove = blackPlaysFirst ? 1 : 0;
10132 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10133 fromY, fromX, toY, toX, promoChar,
10134 parseList[boardIndex]);
10135 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10136 /* currentMoveString is set as a side-effect of yylex */
10137 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10138 strcat(moveList[boardIndex], "\n");
10140 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10141 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10147 if(!IS_SHOGI(gameInfo.variant))
10148 strcat(parseList[boardIndex - 1], "+");
10152 strcat(parseList[boardIndex - 1], "#");
10159 /* Apply a move to the given board */
10161 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10163 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10164 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10166 /* [HGM] compute & store e.p. status and castling rights for new position */
10167 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10169 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10170 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10171 board[EP_STATUS] = EP_NONE;
10172 board[EP_FILE] = board[EP_RANK] = 100;
10174 if (fromY == DROP_RANK) {
10175 /* must be first */
10176 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10177 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10180 piece = board[toY][toX] = (ChessSquare) fromX;
10182 // ChessSquare victim;
10185 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10186 // victim = board[killY][killX],
10187 killed = board[killY][killX],
10188 board[killY][killX] = EmptySquare,
10189 board[EP_STATUS] = EP_CAPTURE;
10190 if( kill2X >= 0 && kill2Y >= 0)
10191 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10194 if( board[toY][toX] != EmptySquare ) {
10195 board[EP_STATUS] = EP_CAPTURE;
10196 if( (fromX != toX || fromY != toY) && // not igui!
10197 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10198 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10199 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10203 pawn = board[fromY][fromX];
10204 if( pawn == WhiteLance || pawn == BlackLance ) {
10205 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10206 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10207 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10210 if( pawn == WhitePawn ) {
10211 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10212 board[EP_STATUS] = EP_PAWN_MOVE;
10213 if( toY-fromY>=2) {
10214 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10215 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10216 gameInfo.variant != VariantBerolina || toX < fromX)
10217 board[EP_STATUS] = toX | berolina;
10218 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10219 gameInfo.variant != VariantBerolina || toX > fromX)
10220 board[EP_STATUS] = toX;
10223 if( pawn == BlackPawn ) {
10224 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10225 board[EP_STATUS] = EP_PAWN_MOVE;
10226 if( toY-fromY<= -2) {
10227 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10228 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10229 gameInfo.variant != VariantBerolina || toX < fromX)
10230 board[EP_STATUS] = toX | berolina;
10231 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10232 gameInfo.variant != VariantBerolina || toX > fromX)
10233 board[EP_STATUS] = toX;
10237 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10238 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10239 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10240 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10242 for(i=0; i<nrCastlingRights; i++) {
10243 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10244 board[CASTLING][i] == toX && castlingRank[i] == toY
10245 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10248 if(gameInfo.variant == VariantSChess) { // update virginity
10249 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10250 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10251 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10252 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10255 if (fromX == toX && fromY == toY && killX < 0) return;
10257 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10258 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10259 if(gameInfo.variant == VariantKnightmate)
10260 king += (int) WhiteUnicorn - (int) WhiteKing;
10262 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10263 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10264 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10265 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10266 board[EP_STATUS] = EP_NONE; // capture was fake!
10268 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10269 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10270 board[toY][toX] = piece;
10271 board[EP_STATUS] = EP_NONE; // capture was fake!
10273 /* Code added by Tord: */
10274 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10275 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10276 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10277 board[EP_STATUS] = EP_NONE; // capture was fake!
10278 board[fromY][fromX] = EmptySquare;
10279 board[toY][toX] = EmptySquare;
10280 if((toX > fromX) != (piece == WhiteRook)) {
10281 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10283 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10285 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10286 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10287 board[EP_STATUS] = EP_NONE;
10288 board[fromY][fromX] = EmptySquare;
10289 board[toY][toX] = EmptySquare;
10290 if((toX > fromX) != (piece == BlackRook)) {
10291 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10293 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10295 /* End of code added by Tord */
10297 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10298 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10299 board[toY][toX] = piece;
10300 } else if (board[fromY][fromX] == king
10301 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10302 && toY == fromY && toX > fromX+1) {
10303 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10304 board[fromY][toX-1] = board[fromY][rookX];
10305 board[fromY][rookX] = EmptySquare;
10306 board[fromY][fromX] = EmptySquare;
10307 board[toY][toX] = king;
10308 } else if (board[fromY][fromX] == king
10309 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10310 && toY == fromY && toX < fromX-1) {
10311 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10312 board[fromY][toX+1] = board[fromY][rookX];
10313 board[fromY][rookX] = EmptySquare;
10314 board[fromY][fromX] = EmptySquare;
10315 board[toY][toX] = king;
10316 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10317 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10318 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10320 /* white pawn promotion */
10321 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10322 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10323 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10324 board[fromY][fromX] = EmptySquare;
10325 } else if ((fromY >= BOARD_HEIGHT>>1)
10326 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10328 && gameInfo.variant != VariantXiangqi
10329 && gameInfo.variant != VariantBerolina
10330 && (pawn == WhitePawn)
10331 && (board[toY][toX] == EmptySquare)) {
10332 board[fromY][fromX] = EmptySquare;
10333 board[toY][toX] = piece;
10334 if(toY == epRank - 128 + 1)
10335 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10337 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10338 } else if ((fromY == BOARD_HEIGHT-4)
10340 && gameInfo.variant == VariantBerolina
10341 && (board[fromY][fromX] == WhitePawn)
10342 && (board[toY][toX] == EmptySquare)) {
10343 board[fromY][fromX] = EmptySquare;
10344 board[toY][toX] = WhitePawn;
10345 if(oldEP & EP_BEROLIN_A) {
10346 captured = board[fromY][fromX-1];
10347 board[fromY][fromX-1] = EmptySquare;
10348 }else{ captured = board[fromY][fromX+1];
10349 board[fromY][fromX+1] = EmptySquare;
10351 } else if (board[fromY][fromX] == king
10352 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10353 && toY == fromY && toX > fromX+1) {
10354 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10355 board[fromY][toX-1] = board[fromY][rookX];
10356 board[fromY][rookX] = EmptySquare;
10357 board[fromY][fromX] = EmptySquare;
10358 board[toY][toX] = king;
10359 } else if (board[fromY][fromX] == king
10360 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10361 && toY == fromY && toX < fromX-1) {
10362 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10363 board[fromY][toX+1] = board[fromY][rookX];
10364 board[fromY][rookX] = EmptySquare;
10365 board[fromY][fromX] = EmptySquare;
10366 board[toY][toX] = king;
10367 } else if (fromY == 7 && fromX == 3
10368 && board[fromY][fromX] == BlackKing
10369 && toY == 7 && toX == 5) {
10370 board[fromY][fromX] = EmptySquare;
10371 board[toY][toX] = BlackKing;
10372 board[fromY][7] = EmptySquare;
10373 board[toY][4] = BlackRook;
10374 } else if (fromY == 7 && fromX == 3
10375 && board[fromY][fromX] == BlackKing
10376 && toY == 7 && toX == 1) {
10377 board[fromY][fromX] = EmptySquare;
10378 board[toY][toX] = BlackKing;
10379 board[fromY][0] = EmptySquare;
10380 board[toY][2] = BlackRook;
10381 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10382 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10383 && toY < promoRank && promoChar
10385 /* black pawn promotion */
10386 board[toY][toX] = CharToPiece(ToLower(promoChar));
10387 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10388 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10389 board[fromY][fromX] = EmptySquare;
10390 } else if ((fromY < BOARD_HEIGHT>>1)
10391 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10393 && gameInfo.variant != VariantXiangqi
10394 && gameInfo.variant != VariantBerolina
10395 && (pawn == BlackPawn)
10396 && (board[toY][toX] == EmptySquare)) {
10397 board[fromY][fromX] = EmptySquare;
10398 board[toY][toX] = piece;
10399 if(toY == epRank - 128 - 1)
10400 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10402 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10403 } else if ((fromY == 3)
10405 && gameInfo.variant == VariantBerolina
10406 && (board[fromY][fromX] == BlackPawn)
10407 && (board[toY][toX] == EmptySquare)) {
10408 board[fromY][fromX] = EmptySquare;
10409 board[toY][toX] = BlackPawn;
10410 if(oldEP & EP_BEROLIN_A) {
10411 captured = board[fromY][fromX-1];
10412 board[fromY][fromX-1] = EmptySquare;
10413 }else{ captured = board[fromY][fromX+1];
10414 board[fromY][fromX+1] = EmptySquare;
10417 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10418 board[fromY][fromX] = EmptySquare;
10419 board[toY][toX] = piece;
10423 if (gameInfo.holdingsWidth != 0) {
10425 /* !!A lot more code needs to be written to support holdings */
10426 /* [HGM] OK, so I have written it. Holdings are stored in the */
10427 /* penultimate board files, so they are automaticlly stored */
10428 /* in the game history. */
10429 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10430 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10431 /* Delete from holdings, by decreasing count */
10432 /* and erasing image if necessary */
10433 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10434 if(p < (int) BlackPawn) { /* white drop */
10435 p -= (int)WhitePawn;
10436 p = PieceToNumber((ChessSquare)p);
10437 if(p >= gameInfo.holdingsSize) p = 0;
10438 if(--board[p][BOARD_WIDTH-2] <= 0)
10439 board[p][BOARD_WIDTH-1] = EmptySquare;
10440 if((int)board[p][BOARD_WIDTH-2] < 0)
10441 board[p][BOARD_WIDTH-2] = 0;
10442 } else { /* black drop */
10443 p -= (int)BlackPawn;
10444 p = PieceToNumber((ChessSquare)p);
10445 if(p >= gameInfo.holdingsSize) p = 0;
10446 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10447 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10448 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10449 board[BOARD_HEIGHT-1-p][1] = 0;
10452 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10453 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10454 /* [HGM] holdings: Add to holdings, if holdings exist */
10455 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10456 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10457 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10459 p = (int) captured;
10460 if (p >= (int) BlackPawn) {
10461 p -= (int)BlackPawn;
10462 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10463 /* Restore shogi-promoted piece to its original first */
10464 captured = (ChessSquare) (DEMOTED(captured));
10467 p = PieceToNumber((ChessSquare)p);
10468 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10469 board[p][BOARD_WIDTH-2]++;
10470 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10472 p -= (int)WhitePawn;
10473 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10474 captured = (ChessSquare) (DEMOTED(captured));
10477 p = PieceToNumber((ChessSquare)p);
10478 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10479 board[BOARD_HEIGHT-1-p][1]++;
10480 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10483 } else if (gameInfo.variant == VariantAtomic) {
10484 if (captured != EmptySquare) {
10486 for (y = toY-1; y <= toY+1; y++) {
10487 for (x = toX-1; x <= toX+1; x++) {
10488 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10489 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10490 board[y][x] = EmptySquare;
10494 board[toY][toX] = EmptySquare;
10498 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10499 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10501 if(promoChar == '+') {
10502 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10503 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10504 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10505 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10506 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10507 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10508 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10509 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10510 board[toY][toX] = newPiece;
10512 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10513 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10514 // [HGM] superchess: take promotion piece out of holdings
10515 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10516 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10517 if(!--board[k][BOARD_WIDTH-2])
10518 board[k][BOARD_WIDTH-1] = EmptySquare;
10520 if(!--board[BOARD_HEIGHT-1-k][1])
10521 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10526 /* Updates forwardMostMove */
10528 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10530 int x = toX, y = toY;
10531 char *s = parseList[forwardMostMove];
10532 ChessSquare p = boards[forwardMostMove][toY][toX];
10533 // forwardMostMove++; // [HGM] bare: moved downstream
10535 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10536 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10537 (void) CoordsToAlgebraic(boards[forwardMostMove],
10538 PosFlags(forwardMostMove),
10539 fromY, fromX, y, x, (killX < 0)*promoChar,
10541 if(kill2X >= 0 && kill2Y >= 0)
10542 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10543 if(killX >= 0 && killY >= 0)
10544 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10545 toX + AAA, toY + ONE - '0', promoChar);
10547 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10548 int timeLeft; static int lastLoadFlag=0; int king, piece;
10549 piece = boards[forwardMostMove][fromY][fromX];
10550 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10551 if(gameInfo.variant == VariantKnightmate)
10552 king += (int) WhiteUnicorn - (int) WhiteKing;
10553 if(forwardMostMove == 0) {
10554 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10555 fprintf(serverMoves, "%s;", UserName());
10556 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10557 fprintf(serverMoves, "%s;", second.tidy);
10558 fprintf(serverMoves, "%s;", first.tidy);
10559 if(gameMode == MachinePlaysWhite)
10560 fprintf(serverMoves, "%s;", UserName());
10561 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10562 fprintf(serverMoves, "%s;", second.tidy);
10563 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10564 lastLoadFlag = loadFlag;
10566 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10567 // print castling suffix
10568 if( toY == fromY && piece == king ) {
10570 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10572 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10575 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10576 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10577 boards[forwardMostMove][toY][toX] == EmptySquare
10578 && fromX != toX && fromY != toY)
10579 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10580 // promotion suffix
10581 if(promoChar != NULLCHAR) {
10582 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10583 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10584 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10585 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10588 char buf[MOVE_LEN*2], *p; int len;
10589 fprintf(serverMoves, "/%d/%d",
10590 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10591 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10592 else timeLeft = blackTimeRemaining/1000;
10593 fprintf(serverMoves, "/%d", timeLeft);
10594 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10595 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10596 if(p = strchr(buf, '=')) *p = NULLCHAR;
10597 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10598 fprintf(serverMoves, "/%s", buf);
10600 fflush(serverMoves);
10603 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10604 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10607 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10608 if (commentList[forwardMostMove+1] != NULL) {
10609 free(commentList[forwardMostMove+1]);
10610 commentList[forwardMostMove+1] = NULL;
10612 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10613 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10614 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10615 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10616 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10617 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10618 adjustedClock = FALSE;
10619 gameInfo.result = GameUnfinished;
10620 if (gameInfo.resultDetails != NULL) {
10621 free(gameInfo.resultDetails);
10622 gameInfo.resultDetails = NULL;
10624 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10625 moveList[forwardMostMove - 1]);
10626 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10632 if(!IS_SHOGI(gameInfo.variant))
10633 strcat(parseList[forwardMostMove - 1], "+");
10637 strcat(parseList[forwardMostMove - 1], "#");
10642 /* Updates currentMove if not pausing */
10644 ShowMove (int fromX, int fromY, int toX, int toY)
10646 int instant = (gameMode == PlayFromGameFile) ?
10647 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10648 if(appData.noGUI) return;
10649 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10651 if (forwardMostMove == currentMove + 1) {
10652 AnimateMove(boards[forwardMostMove - 1],
10653 fromX, fromY, toX, toY);
10656 currentMove = forwardMostMove;
10659 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10661 if (instant) return;
10663 DisplayMove(currentMove - 1);
10664 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10665 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10666 SetHighlights(fromX, fromY, toX, toY);
10669 DrawPosition(FALSE, boards[currentMove]);
10670 DisplayBothClocks();
10671 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10675 SendEgtPath (ChessProgramState *cps)
10676 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10677 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10679 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10682 char c, *q = name+1, *r, *s;
10684 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10685 while(*p && *p != ',') *q++ = *p++;
10686 *q++ = ':'; *q = 0;
10687 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10688 strcmp(name, ",nalimov:") == 0 ) {
10689 // take nalimov path from the menu-changeable option first, if it is defined
10690 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10691 SendToProgram(buf,cps); // send egtbpath command for nalimov
10693 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10694 (s = StrStr(appData.egtFormats, name)) != NULL) {
10695 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10696 s = r = StrStr(s, ":") + 1; // beginning of path info
10697 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10698 c = *r; *r = 0; // temporarily null-terminate path info
10699 *--q = 0; // strip of trailig ':' from name
10700 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10702 SendToProgram(buf,cps); // send egtbpath command for this format
10704 if(*p == ',') p++; // read away comma to position for next format name
10709 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10711 int width = 8, height = 8, holdings = 0; // most common sizes
10712 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10713 // correct the deviations default for each variant
10714 if( v == VariantXiangqi ) width = 9, height = 10;
10715 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10716 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10717 if( v == VariantCapablanca || v == VariantCapaRandom ||
10718 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10720 if( v == VariantCourier ) width = 12;
10721 if( v == VariantSuper ) holdings = 8;
10722 if( v == VariantGreat ) width = 10, holdings = 8;
10723 if( v == VariantSChess ) holdings = 7;
10724 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10725 if( v == VariantChuChess) width = 10, height = 10;
10726 if( v == VariantChu ) width = 12, height = 12;
10727 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10728 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10729 holdingsSize >= 0 && holdingsSize != holdings;
10732 char variantError[MSG_SIZ];
10735 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10736 { // returns error message (recognizable by upper-case) if engine does not support the variant
10737 char *p, *variant = VariantName(v);
10738 static char b[MSG_SIZ];
10739 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10740 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10741 holdingsSize, variant); // cook up sized variant name
10742 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10743 if(StrStr(list, b) == NULL) {
10744 // specific sized variant not known, check if general sizing allowed
10745 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10746 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10747 boardWidth, boardHeight, holdingsSize, engine);
10750 /* [HGM] here we really should compare with the maximum supported board size */
10752 } else snprintf(b, MSG_SIZ,"%s", variant);
10753 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10754 p = StrStr(list, b);
10755 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10757 // occurs not at all in list, or only as sub-string
10758 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10759 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10760 int l = strlen(variantError);
10762 while(p != list && p[-1] != ',') p--;
10763 q = strchr(p, ',');
10764 if(q) *q = NULLCHAR;
10765 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10774 InitChessProgram (ChessProgramState *cps, int setup)
10775 /* setup needed to setup FRC opening position */
10777 char buf[MSG_SIZ], *b;
10778 if (appData.noChessProgram) return;
10779 hintRequested = FALSE;
10780 bookRequested = FALSE;
10782 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10783 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10784 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10785 if(cps->memSize) { /* [HGM] memory */
10786 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10787 SendToProgram(buf, cps);
10789 SendEgtPath(cps); /* [HGM] EGT */
10790 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10791 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10792 SendToProgram(buf, cps);
10795 setboardSpoiledMachineBlack = FALSE;
10796 SendToProgram(cps->initString, cps);
10797 if (gameInfo.variant != VariantNormal &&
10798 gameInfo.variant != VariantLoadable
10799 /* [HGM] also send variant if board size non-standard */
10800 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10802 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10803 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10807 char c, *q = cps->variants, *p = strchr(q, ',');
10808 if(p) *p = NULLCHAR;
10809 v = StringToVariant(q);
10810 DisplayError(variantError, 0);
10811 if(v != VariantUnknown && cps == &first) {
10813 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10814 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10815 ASSIGN(appData.variant, q);
10816 Reset(TRUE, FALSE);
10822 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10823 SendToProgram(buf, cps);
10825 currentlyInitializedVariant = gameInfo.variant;
10827 /* [HGM] send opening position in FRC to first engine */
10829 SendToProgram("force\n", cps);
10831 /* engine is now in force mode! Set flag to wake it up after first move. */
10832 setboardSpoiledMachineBlack = 1;
10835 if (cps->sendICS) {
10836 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10837 SendToProgram(buf, cps);
10839 cps->maybeThinking = FALSE;
10840 cps->offeredDraw = 0;
10841 if (!appData.icsActive) {
10842 SendTimeControl(cps, movesPerSession, timeControl,
10843 timeIncrement, appData.searchDepth,
10846 if (appData.showThinking
10847 // [HGM] thinking: four options require thinking output to be sent
10848 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10850 SendToProgram("post\n", cps);
10852 SendToProgram("hard\n", cps);
10853 if (!appData.ponderNextMove) {
10854 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10855 it without being sure what state we are in first. "hard"
10856 is not a toggle, so that one is OK.
10858 SendToProgram("easy\n", cps);
10860 if (cps->usePing) {
10861 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10862 SendToProgram(buf, cps);
10864 cps->initDone = TRUE;
10865 ClearEngineOutputPane(cps == &second);
10870 ResendOptions (ChessProgramState *cps)
10871 { // send the stored value of the options
10874 Option *opt = cps->option;
10875 for(i=0; i<cps->nrOptions; i++, opt++) {
10876 switch(opt->type) {
10880 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10883 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10886 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10892 SendToProgram(buf, cps);
10897 StartChessProgram (ChessProgramState *cps)
10902 if (appData.noChessProgram) return;
10903 cps->initDone = FALSE;
10905 if (strcmp(cps->host, "localhost") == 0) {
10906 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10907 } else if (*appData.remoteShell == NULLCHAR) {
10908 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10910 if (*appData.remoteUser == NULLCHAR) {
10911 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10914 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10915 cps->host, appData.remoteUser, cps->program);
10917 err = StartChildProcess(buf, "", &cps->pr);
10921 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10922 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10923 if(cps != &first) return;
10924 appData.noChessProgram = TRUE;
10927 // DisplayFatalError(buf, err, 1);
10928 // cps->pr = NoProc;
10929 // cps->isr = NULL;
10933 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10934 if (cps->protocolVersion > 1) {
10935 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10936 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10937 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10938 cps->comboCnt = 0; // and values of combo boxes
10940 SendToProgram(buf, cps);
10941 if(cps->reload) ResendOptions(cps);
10943 SendToProgram("xboard\n", cps);
10948 TwoMachinesEventIfReady P((void))
10950 static int curMess = 0;
10951 if (first.lastPing != first.lastPong) {
10952 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10953 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10956 if (second.lastPing != second.lastPong) {
10957 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10958 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10961 DisplayMessage("", ""); curMess = 0;
10962 TwoMachinesEvent();
10966 MakeName (char *template)
10970 static char buf[MSG_SIZ];
10974 clock = time((time_t *)NULL);
10975 tm = localtime(&clock);
10977 while(*p++ = *template++) if(p[-1] == '%') {
10978 switch(*template++) {
10979 case 0: *p = 0; return buf;
10980 case 'Y': i = tm->tm_year+1900; break;
10981 case 'y': i = tm->tm_year-100; break;
10982 case 'M': i = tm->tm_mon+1; break;
10983 case 'd': i = tm->tm_mday; break;
10984 case 'h': i = tm->tm_hour; break;
10985 case 'm': i = tm->tm_min; break;
10986 case 's': i = tm->tm_sec; break;
10989 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10995 CountPlayers (char *p)
10998 while(p = strchr(p, '\n')) p++, n++; // count participants
11003 WriteTourneyFile (char *results, FILE *f)
11004 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11005 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11006 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11007 // create a file with tournament description
11008 fprintf(f, "-participants {%s}\n", appData.participants);
11009 fprintf(f, "-seedBase %d\n", appData.seedBase);
11010 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11011 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11012 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11013 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11014 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11015 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11016 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11017 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11018 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11019 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11020 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11021 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11022 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11023 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11024 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11025 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11026 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11027 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11028 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11029 fprintf(f, "-smpCores %d\n", appData.smpCores);
11031 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11033 fprintf(f, "-mps %d\n", appData.movesPerSession);
11034 fprintf(f, "-tc %s\n", appData.timeControl);
11035 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11037 fprintf(f, "-results \"%s\"\n", results);
11042 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11045 Substitute (char *participants, int expunge)
11047 int i, changed, changes=0, nPlayers=0;
11048 char *p, *q, *r, buf[MSG_SIZ];
11049 if(participants == NULL) return;
11050 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11051 r = p = participants; q = appData.participants;
11052 while(*p && *p == *q) {
11053 if(*p == '\n') r = p+1, nPlayers++;
11056 if(*p) { // difference
11057 while(*p && *p++ != '\n');
11058 while(*q && *q++ != '\n');
11059 changed = nPlayers;
11060 changes = 1 + (strcmp(p, q) != 0);
11062 if(changes == 1) { // a single engine mnemonic was changed
11063 q = r; while(*q) nPlayers += (*q++ == '\n');
11064 p = buf; while(*r && (*p = *r++) != '\n') p++;
11066 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11067 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11068 if(mnemonic[i]) { // The substitute is valid
11070 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11071 flock(fileno(f), LOCK_EX);
11072 ParseArgsFromFile(f);
11073 fseek(f, 0, SEEK_SET);
11074 FREE(appData.participants); appData.participants = participants;
11075 if(expunge) { // erase results of replaced engine
11076 int len = strlen(appData.results), w, b, dummy;
11077 for(i=0; i<len; i++) {
11078 Pairing(i, nPlayers, &w, &b, &dummy);
11079 if((w == changed || b == changed) && appData.results[i] == '*') {
11080 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11085 for(i=0; i<len; i++) {
11086 Pairing(i, nPlayers, &w, &b, &dummy);
11087 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11090 WriteTourneyFile(appData.results, f);
11091 fclose(f); // release lock
11094 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11096 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11097 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11098 free(participants);
11103 CheckPlayers (char *participants)
11106 char buf[MSG_SIZ], *p;
11107 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11108 while(p = strchr(participants, '\n')) {
11110 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11112 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11114 DisplayError(buf, 0);
11118 participants = p + 1;
11124 CreateTourney (char *name)
11127 if(matchMode && strcmp(name, appData.tourneyFile)) {
11128 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11130 if(name[0] == NULLCHAR) {
11131 if(appData.participants[0])
11132 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11135 f = fopen(name, "r");
11136 if(f) { // file exists
11137 ASSIGN(appData.tourneyFile, name);
11138 ParseArgsFromFile(f); // parse it
11140 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11141 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11142 DisplayError(_("Not enough participants"), 0);
11145 if(CheckPlayers(appData.participants)) return 0;
11146 ASSIGN(appData.tourneyFile, name);
11147 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11148 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11151 appData.noChessProgram = FALSE;
11152 appData.clockMode = TRUE;
11158 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11160 char buf[MSG_SIZ], *p, *q;
11161 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11162 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11163 skip = !all && group[0]; // if group requested, we start in skip mode
11164 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11165 p = names; q = buf; header = 0;
11166 while(*p && *p != '\n') *q++ = *p++;
11168 if(*p == '\n') p++;
11169 if(buf[0] == '#') {
11170 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11171 depth++; // we must be entering a new group
11172 if(all) continue; // suppress printing group headers when complete list requested
11174 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11176 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11177 if(engineList[i]) free(engineList[i]);
11178 engineList[i] = strdup(buf);
11179 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11180 if(engineMnemonic[i]) free(engineMnemonic[i]);
11181 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11183 sscanf(q + 8, "%s", buf + strlen(buf));
11186 engineMnemonic[i] = strdup(buf);
11189 engineList[i] = engineMnemonic[i] = NULL;
11193 // following implemented as macro to avoid type limitations
11194 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11197 SwapEngines (int n)
11198 { // swap settings for first engine and other engine (so far only some selected options)
11203 SWAP(chessProgram, p)
11205 SWAP(hasOwnBookUCI, h)
11206 SWAP(protocolVersion, h)
11208 SWAP(scoreIsAbsolute, h)
11213 SWAP(engOptions, p)
11214 SWAP(engInitString, p)
11215 SWAP(computerString, p)
11217 SWAP(fenOverride, p)
11219 SWAP(accumulateTC, h)
11226 GetEngineLine (char *s, int n)
11230 extern char *icsNames;
11231 if(!s || !*s) return 0;
11232 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11233 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11234 if(!mnemonic[i]) return 0;
11235 if(n == 11) return 1; // just testing if there was a match
11236 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11237 if(n == 1) SwapEngines(n);
11238 ParseArgsFromString(buf);
11239 if(n == 1) SwapEngines(n);
11240 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11241 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11242 ParseArgsFromString(buf);
11248 SetPlayer (int player, char *p)
11249 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11251 char buf[MSG_SIZ], *engineName;
11252 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11253 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11254 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11256 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11257 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11258 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11259 ParseArgsFromString(buf);
11260 } else { // no engine with this nickname is installed!
11261 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11262 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11263 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11265 DisplayError(buf, 0);
11272 char *recentEngines;
11275 RecentEngineEvent (int nr)
11278 // SwapEngines(1); // bump first to second
11279 // ReplaceEngine(&second, 1); // and load it there
11280 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11281 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11282 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11283 ReplaceEngine(&first, 0);
11284 FloatToFront(&appData.recentEngineList, command[n]);
11289 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11290 { // determine players from game number
11291 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11293 if(appData.tourneyType == 0) {
11294 roundsPerCycle = (nPlayers - 1) | 1;
11295 pairingsPerRound = nPlayers / 2;
11296 } else if(appData.tourneyType > 0) {
11297 roundsPerCycle = nPlayers - appData.tourneyType;
11298 pairingsPerRound = appData.tourneyType;
11300 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11301 gamesPerCycle = gamesPerRound * roundsPerCycle;
11302 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11303 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11304 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11305 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11306 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11307 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11309 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11310 if(appData.roundSync) *syncInterval = gamesPerRound;
11312 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11314 if(appData.tourneyType == 0) {
11315 if(curPairing == (nPlayers-1)/2 ) {
11316 *whitePlayer = curRound;
11317 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11319 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11320 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11321 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11322 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11324 } else if(appData.tourneyType > 1) {
11325 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11326 *whitePlayer = curRound + appData.tourneyType;
11327 } else if(appData.tourneyType > 0) {
11328 *whitePlayer = curPairing;
11329 *blackPlayer = curRound + appData.tourneyType;
11332 // take care of white/black alternation per round.
11333 // For cycles and games this is already taken care of by default, derived from matchGame!
11334 return curRound & 1;
11338 NextTourneyGame (int nr, int *swapColors)
11339 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11341 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11343 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11344 tf = fopen(appData.tourneyFile, "r");
11345 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11346 ParseArgsFromFile(tf); fclose(tf);
11347 InitTimeControls(); // TC might be altered from tourney file
11349 nPlayers = CountPlayers(appData.participants); // count participants
11350 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11351 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11354 p = q = appData.results;
11355 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11356 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11357 DisplayMessage(_("Waiting for other game(s)"),"");
11358 waitingForGame = TRUE;
11359 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11362 waitingForGame = FALSE;
11365 if(appData.tourneyType < 0) {
11366 if(nr>=0 && !pairingReceived) {
11368 if(pairing.pr == NoProc) {
11369 if(!appData.pairingEngine[0]) {
11370 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11373 StartChessProgram(&pairing); // starts the pairing engine
11375 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11376 SendToProgram(buf, &pairing);
11377 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11378 SendToProgram(buf, &pairing);
11379 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11381 pairingReceived = 0; // ... so we continue here
11383 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11384 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11385 matchGame = 1; roundNr = nr / syncInterval + 1;
11388 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11390 // redefine engines, engine dir, etc.
11391 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11392 if(first.pr == NoProc) {
11393 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11394 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11396 if(second.pr == NoProc) {
11398 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11399 SwapEngines(1); // and make that valid for second engine by swapping
11400 InitEngine(&second, 1);
11402 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11403 UpdateLogos(FALSE); // leave display to ModeHiglight()
11409 { // performs game initialization that does not invoke engines, and then tries to start the game
11410 int res, firstWhite, swapColors = 0;
11411 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11412 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
11414 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11415 if(strcmp(buf, currentDebugFile)) { // name has changed
11416 FILE *f = fopen(buf, "w");
11417 if(f) { // if opening the new file failed, just keep using the old one
11418 ASSIGN(currentDebugFile, buf);
11422 if(appData.serverFileName) {
11423 if(serverFP) fclose(serverFP);
11424 serverFP = fopen(appData.serverFileName, "w");
11425 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11426 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11430 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11431 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11432 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11433 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11434 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11435 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11436 Reset(FALSE, first.pr != NoProc);
11437 res = LoadGameOrPosition(matchGame); // setup game
11438 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11439 if(!res) return; // abort when bad game/pos file
11440 if(appData.epd) {// in EPD mode we make sure first engine is to move
11441 firstWhite = !(forwardMostMove & 1);
11442 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11443 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11445 TwoMachinesEvent();
11449 UserAdjudicationEvent (int result)
11451 ChessMove gameResult = GameIsDrawn;
11454 gameResult = WhiteWins;
11456 else if( result < 0 ) {
11457 gameResult = BlackWins;
11460 if( gameMode == TwoMachinesPlay ) {
11461 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11466 // [HGM] save: calculate checksum of game to make games easily identifiable
11468 StringCheckSum (char *s)
11471 if(s==NULL) return 0;
11472 while(*s) i = i*259 + *s++;
11480 for(i=backwardMostMove; i<forwardMostMove; i++) {
11481 sum += pvInfoList[i].depth;
11482 sum += StringCheckSum(parseList[i]);
11483 sum += StringCheckSum(commentList[i]);
11486 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11487 return sum + StringCheckSum(commentList[i]);
11488 } // end of save patch
11491 GameEnds (ChessMove result, char *resultDetails, int whosays)
11493 GameMode nextGameMode;
11495 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11497 if(endingGame) return; /* [HGM] crash: forbid recursion */
11499 if(twoBoards) { // [HGM] dual: switch back to one board
11500 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11501 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11503 if (appData.debugMode) {
11504 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11505 result, resultDetails ? resultDetails : "(null)", whosays);
11508 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11510 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11512 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11513 /* If we are playing on ICS, the server decides when the
11514 game is over, but the engine can offer to draw, claim
11518 if (appData.zippyPlay && first.initDone) {
11519 if (result == GameIsDrawn) {
11520 /* In case draw still needs to be claimed */
11521 SendToICS(ics_prefix);
11522 SendToICS("draw\n");
11523 } else if (StrCaseStr(resultDetails, "resign")) {
11524 SendToICS(ics_prefix);
11525 SendToICS("resign\n");
11529 endingGame = 0; /* [HGM] crash */
11533 /* If we're loading the game from a file, stop */
11534 if (whosays == GE_FILE) {
11535 (void) StopLoadGameTimer();
11539 /* Cancel draw offers */
11540 first.offeredDraw = second.offeredDraw = 0;
11542 /* If this is an ICS game, only ICS can really say it's done;
11543 if not, anyone can. */
11544 isIcsGame = (gameMode == IcsPlayingWhite ||
11545 gameMode == IcsPlayingBlack ||
11546 gameMode == IcsObserving ||
11547 gameMode == IcsExamining);
11549 if (!isIcsGame || whosays == GE_ICS) {
11550 /* OK -- not an ICS game, or ICS said it was done */
11552 if (!isIcsGame && !appData.noChessProgram)
11553 SetUserThinkingEnables();
11555 /* [HGM] if a machine claims the game end we verify this claim */
11556 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11557 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11559 ChessMove trueResult = (ChessMove) -1;
11561 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11562 first.twoMachinesColor[0] :
11563 second.twoMachinesColor[0] ;
11565 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11566 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11567 /* [HGM] verify: engine mate claims accepted if they were flagged */
11568 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11570 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11571 /* [HGM] verify: engine mate claims accepted if they were flagged */
11572 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11574 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11575 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11578 // now verify win claims, but not in drop games, as we don't understand those yet
11579 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11580 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11581 (result == WhiteWins && claimer == 'w' ||
11582 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11583 if (appData.debugMode) {
11584 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11585 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11587 if(result != trueResult) {
11588 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11589 result = claimer == 'w' ? BlackWins : WhiteWins;
11590 resultDetails = buf;
11593 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11594 && (forwardMostMove <= backwardMostMove ||
11595 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11596 (claimer=='b')==(forwardMostMove&1))
11598 /* [HGM] verify: draws that were not flagged are false claims */
11599 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11600 result = claimer == 'w' ? BlackWins : WhiteWins;
11601 resultDetails = buf;
11603 /* (Claiming a loss is accepted no questions asked!) */
11604 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11605 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11606 result = GameUnfinished;
11607 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11609 /* [HGM] bare: don't allow bare King to win */
11610 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11611 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11612 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11613 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11614 && result != GameIsDrawn)
11615 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11616 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11617 int p = (signed char)boards[forwardMostMove][i][j] - color;
11618 if(p >= 0 && p <= (int)WhiteKing) k++;
11619 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11621 if (appData.debugMode) {
11622 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11623 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11625 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11626 result = GameIsDrawn;
11627 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11628 resultDetails = buf;
11634 if(serverMoves != NULL && !loadFlag) { char c = '=';
11635 if(result==WhiteWins) c = '+';
11636 if(result==BlackWins) c = '-';
11637 if(resultDetails != NULL)
11638 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11640 if (resultDetails != NULL) {
11641 gameInfo.result = result;
11642 gameInfo.resultDetails = StrSave(resultDetails);
11644 /* display last move only if game was not loaded from file */
11645 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11646 DisplayMove(currentMove - 1);
11648 if (forwardMostMove != 0) {
11649 if (gameMode != PlayFromGameFile && gameMode != EditGame
11650 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11652 if (*appData.saveGameFile != NULLCHAR) {
11653 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11654 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11656 SaveGameToFile(appData.saveGameFile, TRUE);
11657 } else if (appData.autoSaveGames) {
11658 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11660 if (*appData.savePositionFile != NULLCHAR) {
11661 SavePositionToFile(appData.savePositionFile);
11663 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11667 /* Tell program how game ended in case it is learning */
11668 /* [HGM] Moved this to after saving the PGN, just in case */
11669 /* engine died and we got here through time loss. In that */
11670 /* case we will get a fatal error writing the pipe, which */
11671 /* would otherwise lose us the PGN. */
11672 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11673 /* output during GameEnds should never be fatal anymore */
11674 if (gameMode == MachinePlaysWhite ||
11675 gameMode == MachinePlaysBlack ||
11676 gameMode == TwoMachinesPlay ||
11677 gameMode == IcsPlayingWhite ||
11678 gameMode == IcsPlayingBlack ||
11679 gameMode == BeginningOfGame) {
11681 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11683 if (first.pr != NoProc) {
11684 SendToProgram(buf, &first);
11686 if (second.pr != NoProc &&
11687 gameMode == TwoMachinesPlay) {
11688 SendToProgram(buf, &second);
11693 if (appData.icsActive) {
11694 if (appData.quietPlay &&
11695 (gameMode == IcsPlayingWhite ||
11696 gameMode == IcsPlayingBlack)) {
11697 SendToICS(ics_prefix);
11698 SendToICS("set shout 1\n");
11700 nextGameMode = IcsIdle;
11701 ics_user_moved = FALSE;
11702 /* clean up premove. It's ugly when the game has ended and the
11703 * premove highlights are still on the board.
11706 gotPremove = FALSE;
11707 ClearPremoveHighlights();
11708 DrawPosition(FALSE, boards[currentMove]);
11710 if (whosays == GE_ICS) {
11713 if (gameMode == IcsPlayingWhite)
11715 else if(gameMode == IcsPlayingBlack)
11716 PlayIcsLossSound();
11719 if (gameMode == IcsPlayingBlack)
11721 else if(gameMode == IcsPlayingWhite)
11722 PlayIcsLossSound();
11725 PlayIcsDrawSound();
11728 PlayIcsUnfinishedSound();
11731 if(appData.quitNext) { ExitEvent(0); return; }
11732 } else if (gameMode == EditGame ||
11733 gameMode == PlayFromGameFile ||
11734 gameMode == AnalyzeMode ||
11735 gameMode == AnalyzeFile) {
11736 nextGameMode = gameMode;
11738 nextGameMode = EndOfGame;
11743 nextGameMode = gameMode;
11746 if (appData.noChessProgram) {
11747 gameMode = nextGameMode;
11749 endingGame = 0; /* [HGM] crash */
11754 /* Put first chess program into idle state */
11755 if (first.pr != NoProc &&
11756 (gameMode == MachinePlaysWhite ||
11757 gameMode == MachinePlaysBlack ||
11758 gameMode == TwoMachinesPlay ||
11759 gameMode == IcsPlayingWhite ||
11760 gameMode == IcsPlayingBlack ||
11761 gameMode == BeginningOfGame)) {
11762 SendToProgram("force\n", &first);
11763 if (first.usePing) {
11765 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11766 SendToProgram(buf, &first);
11769 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11770 /* Kill off first chess program */
11771 if (first.isr != NULL)
11772 RemoveInputSource(first.isr);
11775 if (first.pr != NoProc) {
11777 DoSleep( appData.delayBeforeQuit );
11778 SendToProgram("quit\n", &first);
11779 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11780 first.reload = TRUE;
11784 if (second.reuse) {
11785 /* Put second chess program into idle state */
11786 if (second.pr != NoProc &&
11787 gameMode == TwoMachinesPlay) {
11788 SendToProgram("force\n", &second);
11789 if (second.usePing) {
11791 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11792 SendToProgram(buf, &second);
11795 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11796 /* Kill off second chess program */
11797 if (second.isr != NULL)
11798 RemoveInputSource(second.isr);
11801 if (second.pr != NoProc) {
11802 DoSleep( appData.delayBeforeQuit );
11803 SendToProgram("quit\n", &second);
11804 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11805 second.reload = TRUE;
11807 second.pr = NoProc;
11810 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11811 char resChar = '=';
11815 if (first.twoMachinesColor[0] == 'w') {
11818 second.matchWins++;
11823 if (first.twoMachinesColor[0] == 'b') {
11826 second.matchWins++;
11829 case GameUnfinished:
11835 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11836 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11837 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11838 ReserveGame(nextGame, resChar); // sets nextGame
11839 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11840 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11841 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11843 if (nextGame <= appData.matchGames && !abortMatch) {
11844 gameMode = nextGameMode;
11845 matchGame = nextGame; // this will be overruled in tourney mode!
11846 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11847 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11848 endingGame = 0; /* [HGM] crash */
11851 gameMode = nextGameMode;
11853 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11854 OutputKibitz(2, buf);
11855 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec "), totalTime/(100.*first.matchWins));
11856 OutputKibitz(2, buf);
11857 snprintf(buf, MSG_SIZ, _("Solved %d of %d (%3.1f%%) "), first.matchWins, nextGame, first.matchWins*100./nextGame);
11858 OutputKibitz(2, buf);
11860 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11861 first.tidy, second.tidy,
11862 first.matchWins, second.matchWins,
11863 appData.matchGames - (first.matchWins + second.matchWins));
11864 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11865 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11866 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11867 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11868 first.twoMachinesColor = "black\n";
11869 second.twoMachinesColor = "white\n";
11871 first.twoMachinesColor = "white\n";
11872 second.twoMachinesColor = "black\n";
11876 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11877 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11879 gameMode = nextGameMode;
11881 endingGame = 0; /* [HGM] crash */
11882 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11883 if(matchMode == TRUE) { // match through command line: exit with or without popup
11885 ToNrEvent(forwardMostMove);
11886 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11888 } else DisplayFatalError(buf, 0, 0);
11889 } else { // match through menu; just stop, with or without popup
11890 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11893 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11894 } else DisplayNote(buf);
11896 if(ranking) free(ranking);
11900 /* Assumes program was just initialized (initString sent).
11901 Leaves program in force mode. */
11903 FeedMovesToProgram (ChessProgramState *cps, int upto)
11907 if (appData.debugMode)
11908 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11909 startedFromSetupPosition ? "position and " : "",
11910 backwardMostMove, upto, cps->which);
11911 if(currentlyInitializedVariant != gameInfo.variant) {
11913 // [HGM] variantswitch: make engine aware of new variant
11914 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11915 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11916 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11917 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11918 SendToProgram(buf, cps);
11919 currentlyInitializedVariant = gameInfo.variant;
11921 SendToProgram("force\n", cps);
11922 if (startedFromSetupPosition) {
11923 SendBoard(cps, backwardMostMove);
11924 if (appData.debugMode) {
11925 fprintf(debugFP, "feedMoves\n");
11928 for (i = backwardMostMove; i < upto; i++) {
11929 SendMoveToProgram(i, cps);
11935 ResurrectChessProgram ()
11937 /* The chess program may have exited.
11938 If so, restart it and feed it all the moves made so far. */
11939 static int doInit = 0;
11941 if (appData.noChessProgram) return 1;
11943 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11944 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11945 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11946 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11948 if (first.pr != NoProc) return 1;
11949 StartChessProgram(&first);
11951 InitChessProgram(&first, FALSE);
11952 FeedMovesToProgram(&first, currentMove);
11954 if (!first.sendTime) {
11955 /* can't tell gnuchess what its clock should read,
11956 so we bow to its notion. */
11958 timeRemaining[0][currentMove] = whiteTimeRemaining;
11959 timeRemaining[1][currentMove] = blackTimeRemaining;
11962 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11963 appData.icsEngineAnalyze) && first.analysisSupport) {
11964 SendToProgram("analyze\n", &first);
11965 first.analyzing = TRUE;
11971 * Button procedures
11974 Reset (int redraw, int init)
11978 if (appData.debugMode) {
11979 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11980 redraw, init, gameMode);
11982 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11983 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11984 CleanupTail(); // [HGM] vari: delete any stored variations
11985 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11986 pausing = pauseExamInvalid = FALSE;
11987 startedFromSetupPosition = blackPlaysFirst = FALSE;
11989 whiteFlag = blackFlag = FALSE;
11990 userOfferedDraw = FALSE;
11991 hintRequested = bookRequested = FALSE;
11992 first.maybeThinking = FALSE;
11993 second.maybeThinking = FALSE;
11994 first.bookSuspend = FALSE; // [HGM] book
11995 second.bookSuspend = FALSE;
11996 thinkOutput[0] = NULLCHAR;
11997 lastHint[0] = NULLCHAR;
11998 ClearGameInfo(&gameInfo);
11999 gameInfo.variant = StringToVariant(appData.variant);
12000 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12001 gameInfo.variant = VariantUnknown;
12002 strncpy(engineVariant, appData.variant, MSG_SIZ);
12004 ics_user_moved = ics_clock_paused = FALSE;
12005 ics_getting_history = H_FALSE;
12007 white_holding[0] = black_holding[0] = NULLCHAR;
12008 ClearProgramStats();
12009 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12013 flipView = appData.flipView;
12014 ClearPremoveHighlights();
12015 gotPremove = FALSE;
12016 alarmSounded = FALSE;
12017 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12019 GameEnds(EndOfFile, NULL, GE_PLAYER);
12020 if(appData.serverMovesName != NULL) {
12021 /* [HGM] prepare to make moves file for broadcasting */
12022 clock_t t = clock();
12023 if(serverMoves != NULL) fclose(serverMoves);
12024 serverMoves = fopen(appData.serverMovesName, "r");
12025 if(serverMoves != NULL) {
12026 fclose(serverMoves);
12027 /* delay 15 sec before overwriting, so all clients can see end */
12028 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12030 serverMoves = fopen(appData.serverMovesName, "w");
12034 gameMode = BeginningOfGame;
12036 if(appData.icsActive) gameInfo.variant = VariantNormal;
12037 currentMove = forwardMostMove = backwardMostMove = 0;
12038 MarkTargetSquares(1);
12039 InitPosition(redraw);
12040 for (i = 0; i < MAX_MOVES; i++) {
12041 if (commentList[i] != NULL) {
12042 free(commentList[i]);
12043 commentList[i] = NULL;
12047 timeRemaining[0][0] = whiteTimeRemaining;
12048 timeRemaining[1][0] = blackTimeRemaining;
12050 if (first.pr == NoProc) {
12051 StartChessProgram(&first);
12054 InitChessProgram(&first, startedFromSetupPosition);
12057 DisplayMessage("", "");
12058 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12059 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12060 ClearMap(); // [HGM] exclude: invalidate map
12064 AutoPlayGameLoop ()
12067 if (!AutoPlayOneMove())
12069 if (matchMode || appData.timeDelay == 0)
12071 if (appData.timeDelay < 0)
12073 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12081 ReloadGame(1); // next game
12087 int fromX, fromY, toX, toY;
12089 if (appData.debugMode) {
12090 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12093 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12096 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12097 pvInfoList[currentMove].depth = programStats.depth;
12098 pvInfoList[currentMove].score = programStats.score;
12099 pvInfoList[currentMove].time = 0;
12100 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12101 else { // append analysis of final position as comment
12103 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12104 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12106 programStats.depth = 0;
12109 if (currentMove >= forwardMostMove) {
12110 if(gameMode == AnalyzeFile) {
12111 if(appData.loadGameIndex == -1) {
12112 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12113 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12115 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12118 // gameMode = EndOfGame;
12119 // ModeHighlight();
12121 /* [AS] Clear current move marker at the end of a game */
12122 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12127 toX = moveList[currentMove][2] - AAA;
12128 toY = moveList[currentMove][3] - ONE;
12130 if (moveList[currentMove][1] == '@') {
12131 if (appData.highlightLastMove) {
12132 SetHighlights(-1, -1, toX, toY);
12135 fromX = moveList[currentMove][0] - AAA;
12136 fromY = moveList[currentMove][1] - ONE;
12138 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12140 if(moveList[currentMove][4] == ';') { // multi-leg
12141 killX = moveList[currentMove][5] - AAA;
12142 killY = moveList[currentMove][6] - ONE;
12144 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12145 killX = killY = -1;
12147 if (appData.highlightLastMove) {
12148 SetHighlights(fromX, fromY, toX, toY);
12151 DisplayMove(currentMove);
12152 SendMoveToProgram(currentMove++, &first);
12153 DisplayBothClocks();
12154 DrawPosition(FALSE, boards[currentMove]);
12155 // [HGM] PV info: always display, routine tests if empty
12156 DisplayComment(currentMove - 1, commentList[currentMove]);
12162 LoadGameOneMove (ChessMove readAhead)
12164 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12165 char promoChar = NULLCHAR;
12166 ChessMove moveType;
12167 char move[MSG_SIZ];
12170 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12171 gameMode != AnalyzeMode && gameMode != Training) {
12176 yyboardindex = forwardMostMove;
12177 if (readAhead != EndOfFile) {
12178 moveType = readAhead;
12180 if (gameFileFP == NULL)
12182 moveType = (ChessMove) Myylex();
12186 switch (moveType) {
12188 if (appData.debugMode)
12189 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12192 /* append the comment but don't display it */
12193 AppendComment(currentMove, p, FALSE);
12196 case WhiteCapturesEnPassant:
12197 case BlackCapturesEnPassant:
12198 case WhitePromotion:
12199 case BlackPromotion:
12200 case WhiteNonPromotion:
12201 case BlackNonPromotion:
12204 case WhiteKingSideCastle:
12205 case WhiteQueenSideCastle:
12206 case BlackKingSideCastle:
12207 case BlackQueenSideCastle:
12208 case WhiteKingSideCastleWild:
12209 case WhiteQueenSideCastleWild:
12210 case BlackKingSideCastleWild:
12211 case BlackQueenSideCastleWild:
12213 case WhiteHSideCastleFR:
12214 case WhiteASideCastleFR:
12215 case BlackHSideCastleFR:
12216 case BlackASideCastleFR:
12218 if (appData.debugMode)
12219 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12220 fromX = currentMoveString[0] - AAA;
12221 fromY = currentMoveString[1] - ONE;
12222 toX = currentMoveString[2] - AAA;
12223 toY = currentMoveString[3] - ONE;
12224 promoChar = currentMoveString[4];
12225 if(promoChar == ';') promoChar = currentMoveString[7];
12230 if (appData.debugMode)
12231 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12232 fromX = moveType == WhiteDrop ?
12233 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12234 (int) CharToPiece(ToLower(currentMoveString[0]));
12236 toX = currentMoveString[2] - AAA;
12237 toY = currentMoveString[3] - ONE;
12243 case GameUnfinished:
12244 if (appData.debugMode)
12245 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12246 p = strchr(yy_text, '{');
12247 if (p == NULL) p = strchr(yy_text, '(');
12250 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12252 q = strchr(p, *p == '{' ? '}' : ')');
12253 if (q != NULL) *q = NULLCHAR;
12256 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12257 GameEnds(moveType, p, GE_FILE);
12259 if (cmailMsgLoaded) {
12261 flipView = WhiteOnMove(currentMove);
12262 if (moveType == GameUnfinished) flipView = !flipView;
12263 if (appData.debugMode)
12264 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12269 if (appData.debugMode)
12270 fprintf(debugFP, "Parser hit end of file\n");
12271 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12277 if (WhiteOnMove(currentMove)) {
12278 GameEnds(BlackWins, "Black mates", GE_FILE);
12280 GameEnds(WhiteWins, "White mates", GE_FILE);
12284 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12290 case MoveNumberOne:
12291 if (lastLoadGameStart == GNUChessGame) {
12292 /* GNUChessGames have numbers, but they aren't move numbers */
12293 if (appData.debugMode)
12294 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12295 yy_text, (int) moveType);
12296 return LoadGameOneMove(EndOfFile); /* tail recursion */
12298 /* else fall thru */
12303 /* Reached start of next game in file */
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12306 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12312 if (WhiteOnMove(currentMove)) {
12313 GameEnds(BlackWins, "Black mates", GE_FILE);
12315 GameEnds(WhiteWins, "White mates", GE_FILE);
12319 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12325 case PositionDiagram: /* should not happen; ignore */
12326 case ElapsedTime: /* ignore */
12327 case NAG: /* ignore */
12328 if (appData.debugMode)
12329 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12330 yy_text, (int) moveType);
12331 return LoadGameOneMove(EndOfFile); /* tail recursion */
12334 if (appData.testLegality) {
12335 if (appData.debugMode)
12336 fprintf(debugFP, "Parsed IllegalMove: %s\n", 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);
12343 if (appData.debugMode)
12344 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12345 yy_text, currentMoveString);
12346 if(currentMoveString[1] == '@') {
12347 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12350 fromX = currentMoveString[0] - AAA;
12351 fromY = currentMoveString[1] - ONE;
12353 toX = currentMoveString[2] - AAA;
12354 toY = currentMoveString[3] - ONE;
12355 promoChar = currentMoveString[4];
12359 case AmbiguousMove:
12360 if (appData.debugMode)
12361 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12362 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12363 (forwardMostMove / 2) + 1,
12364 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12365 DisplayError(move, 0);
12370 case ImpossibleMove:
12371 if (appData.debugMode)
12372 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12373 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12374 (forwardMostMove / 2) + 1,
12375 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12376 DisplayError(move, 0);
12382 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12383 DrawPosition(FALSE, boards[currentMove]);
12384 DisplayBothClocks();
12385 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12386 DisplayComment(currentMove - 1, commentList[currentMove]);
12388 (void) StopLoadGameTimer();
12390 cmailOldMove = forwardMostMove;
12393 /* currentMoveString is set as a side-effect of yylex */
12395 thinkOutput[0] = NULLCHAR;
12396 MakeMove(fromX, fromY, toX, toY, promoChar);
12397 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12398 currentMove = forwardMostMove;
12403 /* Load the nth game from the given file */
12405 LoadGameFromFile (char *filename, int n, char *title, int useList)
12410 if (strcmp(filename, "-") == 0) {
12414 f = fopen(filename, "rb");
12416 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12417 DisplayError(buf, errno);
12421 if (fseek(f, 0, 0) == -1) {
12422 /* f is not seekable; probably a pipe */
12425 if (useList && n == 0) {
12426 int error = GameListBuild(f);
12428 DisplayError(_("Cannot build game list"), error);
12429 } else if (!ListEmpty(&gameList) &&
12430 ((ListGame *) gameList.tailPred)->number > 1) {
12431 GameListPopUp(f, title);
12438 return LoadGame(f, n, title, FALSE);
12443 MakeRegisteredMove ()
12445 int fromX, fromY, toX, toY;
12447 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12448 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12451 if (appData.debugMode)
12452 fprintf(debugFP, "Restoring %s for game %d\n",
12453 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12455 thinkOutput[0] = NULLCHAR;
12456 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12457 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12458 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12459 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12460 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12461 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12462 MakeMove(fromX, fromY, toX, toY, promoChar);
12463 ShowMove(fromX, fromY, toX, toY);
12465 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12472 if (WhiteOnMove(currentMove)) {
12473 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12475 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12480 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12487 if (WhiteOnMove(currentMove)) {
12488 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12490 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12495 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12506 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12508 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12512 if (gameNumber > nCmailGames) {
12513 DisplayError(_("No more games in this message"), 0);
12516 if (f == lastLoadGameFP) {
12517 int offset = gameNumber - lastLoadGameNumber;
12519 cmailMsg[0] = NULLCHAR;
12520 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12521 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12522 nCmailMovesRegistered--;
12524 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12525 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12526 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12529 if (! RegisterMove()) return FALSE;
12533 retVal = LoadGame(f, gameNumber, title, useList);
12535 /* Make move registered during previous look at this game, if any */
12536 MakeRegisteredMove();
12538 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12539 commentList[currentMove]
12540 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12541 DisplayComment(currentMove - 1, commentList[currentMove]);
12547 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12549 ReloadGame (int offset)
12551 int gameNumber = lastLoadGameNumber + offset;
12552 if (lastLoadGameFP == NULL) {
12553 DisplayError(_("No game has been loaded yet"), 0);
12556 if (gameNumber <= 0) {
12557 DisplayError(_("Can't back up any further"), 0);
12560 if (cmailMsgLoaded) {
12561 return CmailLoadGame(lastLoadGameFP, gameNumber,
12562 lastLoadGameTitle, lastLoadGameUseList);
12564 return LoadGame(lastLoadGameFP, gameNumber,
12565 lastLoadGameTitle, lastLoadGameUseList);
12569 int keys[EmptySquare+1];
12572 PositionMatches (Board b1, Board b2)
12575 switch(appData.searchMode) {
12576 case 1: return CompareWithRights(b1, b2);
12578 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12579 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12583 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12584 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12585 sum += keys[b1[r][f]] - keys[b2[r][f]];
12589 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12590 sum += keys[b1[r][f]] - keys[b2[r][f]];
12602 int pieceList[256], quickBoard[256];
12603 ChessSquare pieceType[256] = { EmptySquare };
12604 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12605 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12606 int soughtTotal, turn;
12607 Boolean epOK, flipSearch;
12610 unsigned char piece, to;
12613 #define DSIZE (250000)
12615 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12616 Move *moveDatabase = initialSpace;
12617 unsigned int movePtr, dataSize = DSIZE;
12620 MakePieceList (Board board, int *counts)
12622 int r, f, n=Q_PROMO, total=0;
12623 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12624 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12625 int sq = f + (r<<4);
12626 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12627 quickBoard[sq] = ++n;
12629 pieceType[n] = board[r][f];
12630 counts[board[r][f]]++;
12631 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12632 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12636 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12641 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12643 int sq = fromX + (fromY<<4);
12644 int piece = quickBoard[sq], rook;
12645 quickBoard[sq] = 0;
12646 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12647 if(piece == pieceList[1] && fromY == toY) {
12648 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12649 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12650 moveDatabase[movePtr++].piece = Q_WCASTL;
12651 quickBoard[sq] = piece;
12652 piece = quickBoard[from]; quickBoard[from] = 0;
12653 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12654 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12655 quickBoard[sq] = 0; // remove Rook
12656 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12657 moveDatabase[movePtr++].piece = Q_WCASTL;
12658 quickBoard[sq] = pieceList[1]; // put King
12660 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12663 if(piece == pieceList[2] && fromY == toY) {
12664 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12665 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12666 moveDatabase[movePtr++].piece = Q_BCASTL;
12667 quickBoard[sq] = piece;
12668 piece = quickBoard[from]; quickBoard[from] = 0;
12669 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12670 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12671 quickBoard[sq] = 0; // remove Rook
12672 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12673 moveDatabase[movePtr++].piece = Q_BCASTL;
12674 quickBoard[sq] = pieceList[2]; // put King
12676 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12679 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12680 quickBoard[(fromY<<4)+toX] = 0;
12681 moveDatabase[movePtr].piece = Q_EP;
12682 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12683 moveDatabase[movePtr].to = sq;
12685 if(promoPiece != pieceType[piece]) {
12686 moveDatabase[movePtr++].piece = Q_PROMO;
12687 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12689 moveDatabase[movePtr].piece = piece;
12690 quickBoard[sq] = piece;
12695 PackGame (Board board)
12697 Move *newSpace = NULL;
12698 moveDatabase[movePtr].piece = 0; // terminate previous game
12699 if(movePtr > dataSize) {
12700 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12701 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12702 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12705 Move *p = moveDatabase, *q = newSpace;
12706 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12707 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12708 moveDatabase = newSpace;
12709 } else { // calloc failed, we must be out of memory. Too bad...
12710 dataSize = 0; // prevent calloc events for all subsequent games
12711 return 0; // and signal this one isn't cached
12715 MakePieceList(board, counts);
12720 QuickCompare (Board board, int *minCounts, int *maxCounts)
12721 { // compare according to search mode
12723 switch(appData.searchMode)
12725 case 1: // exact position match
12726 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12727 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12728 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12731 case 2: // can have extra material on empty squares
12732 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12733 if(board[r][f] == EmptySquare) continue;
12734 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12737 case 3: // material with exact Pawn structure
12738 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12739 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12740 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12741 } // fall through to material comparison
12742 case 4: // exact material
12743 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12745 case 6: // material range with given imbalance
12746 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12747 // fall through to range comparison
12748 case 5: // material range
12749 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12755 QuickScan (Board board, Move *move)
12756 { // reconstruct game,and compare all positions in it
12757 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12759 int piece = move->piece;
12760 int to = move->to, from = pieceList[piece];
12761 if(found < 0) { // if already found just scan to game end for final piece count
12762 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12763 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12764 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12765 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12767 static int lastCounts[EmptySquare+1];
12769 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12770 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12771 } else stretch = 0;
12772 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12773 if(found >= 0 && !appData.minPieces) return found;
12775 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12776 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12777 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12778 piece = (++move)->piece;
12779 from = pieceList[piece];
12780 counts[pieceType[piece]]--;
12781 pieceType[piece] = (ChessSquare) move->to;
12782 counts[move->to]++;
12783 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12784 counts[pieceType[quickBoard[to]]]--;
12785 quickBoard[to] = 0; total--;
12788 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12789 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12790 from = pieceList[piece]; // so this must be King
12791 quickBoard[from] = 0;
12792 pieceList[piece] = to;
12793 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12794 quickBoard[from] = 0; // rook
12795 quickBoard[to] = piece;
12796 to = move->to; piece = move->piece;
12800 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12801 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12802 quickBoard[from] = 0;
12804 quickBoard[to] = piece;
12805 pieceList[piece] = to;
12815 flipSearch = FALSE;
12816 CopyBoard(soughtBoard, boards[currentMove]);
12817 soughtTotal = MakePieceList(soughtBoard, maxSought);
12818 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12819 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12820 CopyBoard(reverseBoard, boards[currentMove]);
12821 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12822 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12823 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12824 reverseBoard[r][f] = piece;
12826 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12827 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12828 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12829 || (boards[currentMove][CASTLING][2] == NoRights ||
12830 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12831 && (boards[currentMove][CASTLING][5] == NoRights ||
12832 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12835 CopyBoard(flipBoard, soughtBoard);
12836 CopyBoard(rotateBoard, reverseBoard);
12837 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12838 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12839 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12842 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12843 if(appData.searchMode >= 5) {
12844 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12845 MakePieceList(soughtBoard, minSought);
12846 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12848 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12849 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12852 GameInfo dummyInfo;
12853 static int creatingBook;
12856 GameContainsPosition (FILE *f, ListGame *lg)
12858 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12859 int fromX, fromY, toX, toY;
12861 static int initDone=FALSE;
12863 // weed out games based on numerical tag comparison
12864 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12865 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12866 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12867 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12869 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12872 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12873 else CopyBoard(boards[scratch], initialPosition); // default start position
12876 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12877 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12880 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12881 fseek(f, lg->offset, 0);
12884 yyboardindex = scratch;
12885 quickFlag = plyNr+1;
12890 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12896 if(plyNr) return -1; // after we have seen moves, this is for new game
12899 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12900 case ImpossibleMove:
12901 case WhiteWins: // game ends here with these four
12904 case GameUnfinished:
12908 if(appData.testLegality) return -1;
12909 case WhiteCapturesEnPassant:
12910 case BlackCapturesEnPassant:
12911 case WhitePromotion:
12912 case BlackPromotion:
12913 case WhiteNonPromotion:
12914 case BlackNonPromotion:
12917 case WhiteKingSideCastle:
12918 case WhiteQueenSideCastle:
12919 case BlackKingSideCastle:
12920 case BlackQueenSideCastle:
12921 case WhiteKingSideCastleWild:
12922 case WhiteQueenSideCastleWild:
12923 case BlackKingSideCastleWild:
12924 case BlackQueenSideCastleWild:
12925 case WhiteHSideCastleFR:
12926 case WhiteASideCastleFR:
12927 case BlackHSideCastleFR:
12928 case BlackASideCastleFR:
12929 fromX = currentMoveString[0] - AAA;
12930 fromY = currentMoveString[1] - ONE;
12931 toX = currentMoveString[2] - AAA;
12932 toY = currentMoveString[3] - ONE;
12933 promoChar = currentMoveString[4];
12937 fromX = next == WhiteDrop ?
12938 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12939 (int) CharToPiece(ToLower(currentMoveString[0]));
12941 toX = currentMoveString[2] - AAA;
12942 toY = currentMoveString[3] - ONE;
12946 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12948 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12949 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12950 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12951 if(appData.findMirror) {
12952 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12953 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12958 /* Load the nth game from open file f */
12960 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12964 int gn = gameNumber;
12965 ListGame *lg = NULL;
12966 int numPGNTags = 0, i;
12968 GameMode oldGameMode;
12969 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12970 char oldName[MSG_SIZ];
12972 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12974 if (appData.debugMode)
12975 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12977 if (gameMode == Training )
12978 SetTrainingModeOff();
12980 oldGameMode = gameMode;
12981 if (gameMode != BeginningOfGame) {
12982 Reset(FALSE, TRUE);
12984 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12987 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12988 fclose(lastLoadGameFP);
12992 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12995 fseek(f, lg->offset, 0);
12996 GameListHighlight(gameNumber);
12997 pos = lg->position;
13001 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13002 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13004 DisplayError(_("Game number out of range"), 0);
13009 if (fseek(f, 0, 0) == -1) {
13010 if (f == lastLoadGameFP ?
13011 gameNumber == lastLoadGameNumber + 1 :
13015 DisplayError(_("Can't seek on game file"), 0);
13020 lastLoadGameFP = f;
13021 lastLoadGameNumber = gameNumber;
13022 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13023 lastLoadGameUseList = useList;
13027 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13028 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13029 lg->gameInfo.black);
13031 } else if (*title != NULLCHAR) {
13032 if (gameNumber > 1) {
13033 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13036 DisplayTitle(title);
13040 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13041 gameMode = PlayFromGameFile;
13045 currentMove = forwardMostMove = backwardMostMove = 0;
13046 CopyBoard(boards[0], initialPosition);
13050 * Skip the first gn-1 games in the file.
13051 * Also skip over anything that precedes an identifiable
13052 * start of game marker, to avoid being confused by
13053 * garbage at the start of the file. Currently
13054 * recognized start of game markers are the move number "1",
13055 * the pattern "gnuchess .* game", the pattern
13056 * "^[#;%] [^ ]* game file", and a PGN tag block.
13057 * A game that starts with one of the latter two patterns
13058 * will also have a move number 1, possibly
13059 * following a position diagram.
13060 * 5-4-02: Let's try being more lenient and allowing a game to
13061 * start with an unnumbered move. Does that break anything?
13063 cm = lastLoadGameStart = EndOfFile;
13065 yyboardindex = forwardMostMove;
13066 cm = (ChessMove) Myylex();
13069 if (cmailMsgLoaded) {
13070 nCmailGames = CMAIL_MAX_GAMES - gn;
13073 DisplayError(_("Game not found in file"), 0);
13080 lastLoadGameStart = cm;
13083 case MoveNumberOne:
13084 switch (lastLoadGameStart) {
13089 case MoveNumberOne:
13091 gn--; /* count this game */
13092 lastLoadGameStart = cm;
13101 switch (lastLoadGameStart) {
13104 case MoveNumberOne:
13106 gn--; /* count this game */
13107 lastLoadGameStart = cm;
13110 lastLoadGameStart = cm; /* game counted already */
13118 yyboardindex = forwardMostMove;
13119 cm = (ChessMove) Myylex();
13120 } while (cm == PGNTag || cm == Comment);
13127 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13128 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13129 != CMAIL_OLD_RESULT) {
13131 cmailResult[ CMAIL_MAX_GAMES
13132 - gn - 1] = CMAIL_OLD_RESULT;
13139 /* Only a NormalMove can be at the start of a game
13140 * without a position diagram. */
13141 if (lastLoadGameStart == EndOfFile ) {
13143 lastLoadGameStart = MoveNumberOne;
13152 if (appData.debugMode)
13153 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13155 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13157 if (cm == XBoardGame) {
13158 /* Skip any header junk before position diagram and/or move 1 */
13160 yyboardindex = forwardMostMove;
13161 cm = (ChessMove) Myylex();
13163 if (cm == EndOfFile ||
13164 cm == GNUChessGame || cm == XBoardGame) {
13165 /* Empty game; pretend end-of-file and handle later */
13170 if (cm == MoveNumberOne || cm == PositionDiagram ||
13171 cm == PGNTag || cm == Comment)
13174 } else if (cm == GNUChessGame) {
13175 if (gameInfo.event != NULL) {
13176 free(gameInfo.event);
13178 gameInfo.event = StrSave(yy_text);
13181 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13182 while (cm == PGNTag) {
13183 if (appData.debugMode)
13184 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13185 err = ParsePGNTag(yy_text, &gameInfo);
13186 if (!err) numPGNTags++;
13188 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13189 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13190 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13191 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13192 InitPosition(TRUE);
13193 oldVariant = gameInfo.variant;
13194 if (appData.debugMode)
13195 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13199 if (gameInfo.fen != NULL) {
13200 Board initial_position;
13201 startedFromSetupPosition = TRUE;
13202 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13204 DisplayError(_("Bad FEN position in file"), 0);
13207 CopyBoard(boards[0], initial_position);
13208 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13209 CopyBoard(initialPosition, initial_position);
13210 if (blackPlaysFirst) {
13211 currentMove = forwardMostMove = backwardMostMove = 1;
13212 CopyBoard(boards[1], initial_position);
13213 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13214 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13215 timeRemaining[0][1] = whiteTimeRemaining;
13216 timeRemaining[1][1] = blackTimeRemaining;
13217 if (commentList[0] != NULL) {
13218 commentList[1] = commentList[0];
13219 commentList[0] = NULL;
13222 currentMove = forwardMostMove = backwardMostMove = 0;
13224 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13226 initialRulePlies = FENrulePlies;
13227 for( i=0; i< nrCastlingRights; i++ )
13228 initialRights[i] = initial_position[CASTLING][i];
13230 yyboardindex = forwardMostMove;
13231 free(gameInfo.fen);
13232 gameInfo.fen = NULL;
13235 yyboardindex = forwardMostMove;
13236 cm = (ChessMove) Myylex();
13238 /* Handle comments interspersed among the tags */
13239 while (cm == Comment) {
13241 if (appData.debugMode)
13242 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13244 AppendComment(currentMove, p, FALSE);
13245 yyboardindex = forwardMostMove;
13246 cm = (ChessMove) Myylex();
13250 /* don't rely on existence of Event tag since if game was
13251 * pasted from clipboard the Event tag may not exist
13253 if (numPGNTags > 0){
13255 if (gameInfo.variant == VariantNormal) {
13256 VariantClass v = StringToVariant(gameInfo.event);
13257 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13258 if(v < VariantShogi) gameInfo.variant = v;
13261 if( appData.autoDisplayTags ) {
13262 tags = PGNTags(&gameInfo);
13263 TagsPopUp(tags, CmailMsg());
13268 /* Make something up, but don't display it now */
13273 if (cm == PositionDiagram) {
13276 Board initial_position;
13278 if (appData.debugMode)
13279 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13281 if (!startedFromSetupPosition) {
13283 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13284 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13295 initial_position[i][j++] = CharToPiece(*p);
13298 while (*p == ' ' || *p == '\t' ||
13299 *p == '\n' || *p == '\r') p++;
13301 if (strncmp(p, "black", strlen("black"))==0)
13302 blackPlaysFirst = TRUE;
13304 blackPlaysFirst = FALSE;
13305 startedFromSetupPosition = TRUE;
13307 CopyBoard(boards[0], initial_position);
13308 if (blackPlaysFirst) {
13309 currentMove = forwardMostMove = backwardMostMove = 1;
13310 CopyBoard(boards[1], initial_position);
13311 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13312 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13313 timeRemaining[0][1] = whiteTimeRemaining;
13314 timeRemaining[1][1] = blackTimeRemaining;
13315 if (commentList[0] != NULL) {
13316 commentList[1] = commentList[0];
13317 commentList[0] = NULL;
13320 currentMove = forwardMostMove = backwardMostMove = 0;
13323 yyboardindex = forwardMostMove;
13324 cm = (ChessMove) Myylex();
13327 if(!creatingBook) {
13328 if (first.pr == NoProc) {
13329 StartChessProgram(&first);
13331 InitChessProgram(&first, FALSE);
13332 if(gameInfo.variant == VariantUnknown && *oldName) {
13333 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13334 gameInfo.variant = v;
13336 SendToProgram("force\n", &first);
13337 if (startedFromSetupPosition) {
13338 SendBoard(&first, forwardMostMove);
13339 if (appData.debugMode) {
13340 fprintf(debugFP, "Load Game\n");
13342 DisplayBothClocks();
13346 /* [HGM] server: flag to write setup moves in broadcast file as one */
13347 loadFlag = appData.suppressLoadMoves;
13349 while (cm == Comment) {
13351 if (appData.debugMode)
13352 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13354 AppendComment(currentMove, p, FALSE);
13355 yyboardindex = forwardMostMove;
13356 cm = (ChessMove) Myylex();
13359 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13360 cm == WhiteWins || cm == BlackWins ||
13361 cm == GameIsDrawn || cm == GameUnfinished) {
13362 DisplayMessage("", _("No moves in game"));
13363 if (cmailMsgLoaded) {
13364 if (appData.debugMode)
13365 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13369 DrawPosition(FALSE, boards[currentMove]);
13370 DisplayBothClocks();
13371 gameMode = EditGame;
13378 // [HGM] PV info: routine tests if comment empty
13379 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13380 DisplayComment(currentMove - 1, commentList[currentMove]);
13382 if (!matchMode && appData.timeDelay != 0)
13383 DrawPosition(FALSE, boards[currentMove]);
13385 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13386 programStats.ok_to_send = 1;
13389 /* if the first token after the PGN tags is a move
13390 * and not move number 1, retrieve it from the parser
13392 if (cm != MoveNumberOne)
13393 LoadGameOneMove(cm);
13395 /* load the remaining moves from the file */
13396 while (LoadGameOneMove(EndOfFile)) {
13397 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13398 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13401 /* rewind to the start of the game */
13402 currentMove = backwardMostMove;
13404 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13406 if (oldGameMode == AnalyzeFile) {
13407 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13408 AnalyzeFileEvent();
13410 if (oldGameMode == AnalyzeMode) {
13411 AnalyzeFileEvent();
13414 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13415 long int w, b; // [HGM] adjourn: restore saved clock times
13416 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13417 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13418 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13419 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13423 if(creatingBook) return TRUE;
13424 if (!matchMode && pos > 0) {
13425 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13427 if (matchMode || appData.timeDelay == 0) {
13429 } else if (appData.timeDelay > 0) {
13430 AutoPlayGameLoop();
13433 if (appData.debugMode)
13434 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13436 loadFlag = 0; /* [HGM] true game starts */
13440 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13442 ReloadPosition (int offset)
13444 int positionNumber = lastLoadPositionNumber + offset;
13445 if (lastLoadPositionFP == NULL) {
13446 DisplayError(_("No position has been loaded yet"), 0);
13449 if (positionNumber <= 0) {
13450 DisplayError(_("Can't back up any further"), 0);
13453 return LoadPosition(lastLoadPositionFP, positionNumber,
13454 lastLoadPositionTitle);
13457 /* Load the nth position from the given file */
13459 LoadPositionFromFile (char *filename, int n, char *title)
13464 if (strcmp(filename, "-") == 0) {
13465 return LoadPosition(stdin, n, "stdin");
13467 f = fopen(filename, "rb");
13469 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13470 DisplayError(buf, errno);
13473 return LoadPosition(f, n, title);
13478 /* Load the nth position from the given open file, and close it */
13480 LoadPosition (FILE *f, int positionNumber, char *title)
13482 char *p, line[MSG_SIZ];
13483 Board initial_position;
13484 int i, j, fenMode, pn;
13486 if (gameMode == Training )
13487 SetTrainingModeOff();
13489 if (gameMode != BeginningOfGame) {
13490 Reset(FALSE, TRUE);
13492 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13493 fclose(lastLoadPositionFP);
13495 if (positionNumber == 0) positionNumber = 1;
13496 lastLoadPositionFP = f;
13497 lastLoadPositionNumber = positionNumber;
13498 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13499 if (first.pr == NoProc && !appData.noChessProgram) {
13500 StartChessProgram(&first);
13501 InitChessProgram(&first, FALSE);
13503 pn = positionNumber;
13504 if (positionNumber < 0) {
13505 /* Negative position number means to seek to that byte offset */
13506 if (fseek(f, -positionNumber, 0) == -1) {
13507 DisplayError(_("Can't seek on position file"), 0);
13512 if (fseek(f, 0, 0) == -1) {
13513 if (f == lastLoadPositionFP ?
13514 positionNumber == lastLoadPositionNumber + 1 :
13515 positionNumber == 1) {
13518 DisplayError(_("Can't seek on position file"), 0);
13523 /* See if this file is FEN or old-style xboard */
13524 if (fgets(line, MSG_SIZ, f) == NULL) {
13525 DisplayError(_("Position not found in file"), 0);
13528 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13529 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13532 if (fenMode || line[0] == '#') pn--;
13534 /* skip positions before number pn */
13535 if (fgets(line, MSG_SIZ, f) == NULL) {
13537 DisplayError(_("Position not found in file"), 0);
13540 if (fenMode || line[0] == '#') pn--;
13546 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13547 DisplayError(_("Bad FEN position in file"), 0);
13550 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13551 sscanf(p+4, "%[^;]", bestMove);
13552 } else *bestMove = NULLCHAR;
13554 (void) fgets(line, MSG_SIZ, f);
13555 (void) fgets(line, MSG_SIZ, f);
13557 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13558 (void) fgets(line, MSG_SIZ, f);
13559 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13562 initial_position[i][j++] = CharToPiece(*p);
13566 blackPlaysFirst = FALSE;
13568 (void) fgets(line, MSG_SIZ, f);
13569 if (strncmp(line, "black", strlen("black"))==0)
13570 blackPlaysFirst = TRUE;
13573 startedFromSetupPosition = TRUE;
13575 CopyBoard(boards[0], initial_position);
13576 if (blackPlaysFirst) {
13577 currentMove = forwardMostMove = backwardMostMove = 1;
13578 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13579 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13580 CopyBoard(boards[1], initial_position);
13581 DisplayMessage("", _("Black to play"));
13583 currentMove = forwardMostMove = backwardMostMove = 0;
13584 DisplayMessage("", _("White to play"));
13586 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13587 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13588 SendToProgram("force\n", &first);
13589 SendBoard(&first, forwardMostMove);
13591 if (appData.debugMode) {
13593 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13594 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13595 fprintf(debugFP, "Load Position\n");
13598 if (positionNumber > 1) {
13599 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13600 DisplayTitle(line);
13602 DisplayTitle(title);
13604 gameMode = EditGame;
13607 timeRemaining[0][1] = whiteTimeRemaining;
13608 timeRemaining[1][1] = blackTimeRemaining;
13609 DrawPosition(FALSE, boards[currentMove]);
13616 CopyPlayerNameIntoFileName (char **dest, char *src)
13618 while (*src != NULLCHAR && *src != ',') {
13623 *(*dest)++ = *src++;
13629 DefaultFileName (char *ext)
13631 static char def[MSG_SIZ];
13634 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13636 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13638 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13640 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13647 /* Save the current game to the given file */
13649 SaveGameToFile (char *filename, int append)
13653 int result, i, t,tot=0;
13655 if (strcmp(filename, "-") == 0) {
13656 return SaveGame(stdout, 0, NULL);
13658 for(i=0; i<10; i++) { // upto 10 tries
13659 f = fopen(filename, append ? "a" : "w");
13660 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13661 if(f || errno != 13) break;
13662 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13666 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13667 DisplayError(buf, errno);
13670 safeStrCpy(buf, lastMsg, MSG_SIZ);
13671 DisplayMessage(_("Waiting for access to save file"), "");
13672 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13673 DisplayMessage(_("Saving game"), "");
13674 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13675 result = SaveGame(f, 0, NULL);
13676 DisplayMessage(buf, "");
13683 SavePart (char *str)
13685 static char buf[MSG_SIZ];
13688 p = strchr(str, ' ');
13689 if (p == NULL) return str;
13690 strncpy(buf, str, p - str);
13691 buf[p - str] = NULLCHAR;
13695 #define PGN_MAX_LINE 75
13697 #define PGN_SIDE_WHITE 0
13698 #define PGN_SIDE_BLACK 1
13701 FindFirstMoveOutOfBook (int side)
13705 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13706 int index = backwardMostMove;
13707 int has_book_hit = 0;
13709 if( (index % 2) != side ) {
13713 while( index < forwardMostMove ) {
13714 /* Check to see if engine is in book */
13715 int depth = pvInfoList[index].depth;
13716 int score = pvInfoList[index].score;
13722 else if( score == 0 && depth == 63 ) {
13723 in_book = 1; /* Zappa */
13725 else if( score == 2 && depth == 99 ) {
13726 in_book = 1; /* Abrok */
13729 has_book_hit += in_book;
13745 GetOutOfBookInfo (char * buf)
13749 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13751 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13752 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13756 if( oob[0] >= 0 || oob[1] >= 0 ) {
13757 for( i=0; i<2; i++ ) {
13761 if( i > 0 && oob[0] >= 0 ) {
13762 strcat( buf, " " );
13765 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13766 sprintf( buf+strlen(buf), "%s%.2f",
13767 pvInfoList[idx].score >= 0 ? "+" : "",
13768 pvInfoList[idx].score / 100.0 );
13774 /* Save game in PGN style */
13776 SaveGamePGN2 (FILE *f)
13778 int i, offset, linelen, newblock;
13781 int movelen, numlen, blank;
13782 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13784 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13786 PrintPGNTags(f, &gameInfo);
13788 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13790 if (backwardMostMove > 0 || startedFromSetupPosition) {
13791 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13792 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13793 fprintf(f, "\n{--------------\n");
13794 PrintPosition(f, backwardMostMove);
13795 fprintf(f, "--------------}\n");
13799 /* [AS] Out of book annotation */
13800 if( appData.saveOutOfBookInfo ) {
13803 GetOutOfBookInfo( buf );
13805 if( buf[0] != '\0' ) {
13806 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13813 i = backwardMostMove;
13817 while (i < forwardMostMove) {
13818 /* Print comments preceding this move */
13819 if (commentList[i] != NULL) {
13820 if (linelen > 0) fprintf(f, "\n");
13821 fprintf(f, "%s", commentList[i]);
13826 /* Format move number */
13828 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13831 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13833 numtext[0] = NULLCHAR;
13835 numlen = strlen(numtext);
13838 /* Print move number */
13839 blank = linelen > 0 && numlen > 0;
13840 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13849 fprintf(f, "%s", numtext);
13853 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13854 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13857 blank = linelen > 0 && movelen > 0;
13858 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13867 fprintf(f, "%s", move_buffer);
13868 linelen += movelen;
13870 /* [AS] Add PV info if present */
13871 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13872 /* [HGM] add time */
13873 char buf[MSG_SIZ]; int seconds;
13875 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13881 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13884 seconds = (seconds + 4)/10; // round to full seconds
13886 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13888 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13891 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13892 pvInfoList[i].score >= 0 ? "+" : "",
13893 pvInfoList[i].score / 100.0,
13894 pvInfoList[i].depth,
13897 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13899 /* Print score/depth */
13900 blank = linelen > 0 && movelen > 0;
13901 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13910 fprintf(f, "%s", move_buffer);
13911 linelen += movelen;
13917 /* Start a new line */
13918 if (linelen > 0) fprintf(f, "\n");
13920 /* Print comments after last move */
13921 if (commentList[i] != NULL) {
13922 fprintf(f, "%s\n", commentList[i]);
13926 if (gameInfo.resultDetails != NULL &&
13927 gameInfo.resultDetails[0] != NULLCHAR) {
13928 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13929 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13930 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13931 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13932 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13934 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13938 /* Save game in PGN style and close the file */
13940 SaveGamePGN (FILE *f)
13944 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13948 /* Save game in old style and close the file */
13950 SaveGameOldStyle (FILE *f)
13955 tm = time((time_t *) NULL);
13957 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13960 if (backwardMostMove > 0 || startedFromSetupPosition) {
13961 fprintf(f, "\n[--------------\n");
13962 PrintPosition(f, backwardMostMove);
13963 fprintf(f, "--------------]\n");
13968 i = backwardMostMove;
13969 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13971 while (i < forwardMostMove) {
13972 if (commentList[i] != NULL) {
13973 fprintf(f, "[%s]\n", commentList[i]);
13976 if ((i % 2) == 1) {
13977 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13980 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13982 if (commentList[i] != NULL) {
13986 if (i >= forwardMostMove) {
13990 fprintf(f, "%s\n", parseList[i]);
13995 if (commentList[i] != NULL) {
13996 fprintf(f, "[%s]\n", commentList[i]);
13999 /* This isn't really the old style, but it's close enough */
14000 if (gameInfo.resultDetails != NULL &&
14001 gameInfo.resultDetails[0] != NULLCHAR) {
14002 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14003 gameInfo.resultDetails);
14005 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14012 /* Save the current game to open file f and close the file */
14014 SaveGame (FILE *f, int dummy, char *dummy2)
14016 if (gameMode == EditPosition) EditPositionDone(TRUE);
14017 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14018 if (appData.oldSaveStyle)
14019 return SaveGameOldStyle(f);
14021 return SaveGamePGN(f);
14024 /* Save the current position to the given file */
14026 SavePositionToFile (char *filename)
14031 if (strcmp(filename, "-") == 0) {
14032 return SavePosition(stdout, 0, NULL);
14034 f = fopen(filename, "a");
14036 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14037 DisplayError(buf, errno);
14040 safeStrCpy(buf, lastMsg, MSG_SIZ);
14041 DisplayMessage(_("Waiting for access to save file"), "");
14042 flock(fileno(f), LOCK_EX); // [HGM] lock
14043 DisplayMessage(_("Saving position"), "");
14044 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14045 SavePosition(f, 0, NULL);
14046 DisplayMessage(buf, "");
14052 /* Save the current position to the given open file and close the file */
14054 SavePosition (FILE *f, int dummy, char *dummy2)
14059 if (gameMode == EditPosition) EditPositionDone(TRUE);
14060 if (appData.oldSaveStyle) {
14061 tm = time((time_t *) NULL);
14063 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14065 fprintf(f, "[--------------\n");
14066 PrintPosition(f, currentMove);
14067 fprintf(f, "--------------]\n");
14069 fen = PositionToFEN(currentMove, NULL, 1);
14070 fprintf(f, "%s\n", fen);
14078 ReloadCmailMsgEvent (int unregister)
14081 static char *inFilename = NULL;
14082 static char *outFilename;
14084 struct stat inbuf, outbuf;
14087 /* Any registered moves are unregistered if unregister is set, */
14088 /* i.e. invoked by the signal handler */
14090 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14091 cmailMoveRegistered[i] = FALSE;
14092 if (cmailCommentList[i] != NULL) {
14093 free(cmailCommentList[i]);
14094 cmailCommentList[i] = NULL;
14097 nCmailMovesRegistered = 0;
14100 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14101 cmailResult[i] = CMAIL_NOT_RESULT;
14105 if (inFilename == NULL) {
14106 /* Because the filenames are static they only get malloced once */
14107 /* and they never get freed */
14108 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14109 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14111 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14112 sprintf(outFilename, "%s.out", appData.cmailGameName);
14115 status = stat(outFilename, &outbuf);
14117 cmailMailedMove = FALSE;
14119 status = stat(inFilename, &inbuf);
14120 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14123 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14124 counts the games, notes how each one terminated, etc.
14126 It would be nice to remove this kludge and instead gather all
14127 the information while building the game list. (And to keep it
14128 in the game list nodes instead of having a bunch of fixed-size
14129 parallel arrays.) Note this will require getting each game's
14130 termination from the PGN tags, as the game list builder does
14131 not process the game moves. --mann
14133 cmailMsgLoaded = TRUE;
14134 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14136 /* Load first game in the file or popup game menu */
14137 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14139 #endif /* !WIN32 */
14147 char string[MSG_SIZ];
14149 if ( cmailMailedMove
14150 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14151 return TRUE; /* Allow free viewing */
14154 /* Unregister move to ensure that we don't leave RegisterMove */
14155 /* with the move registered when the conditions for registering no */
14157 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14158 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14159 nCmailMovesRegistered --;
14161 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14163 free(cmailCommentList[lastLoadGameNumber - 1]);
14164 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14168 if (cmailOldMove == -1) {
14169 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14173 if (currentMove > cmailOldMove + 1) {
14174 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14178 if (currentMove < cmailOldMove) {
14179 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14183 if (forwardMostMove > currentMove) {
14184 /* Silently truncate extra moves */
14188 if ( (currentMove == cmailOldMove + 1)
14189 || ( (currentMove == cmailOldMove)
14190 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14191 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14192 if (gameInfo.result != GameUnfinished) {
14193 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14196 if (commentList[currentMove] != NULL) {
14197 cmailCommentList[lastLoadGameNumber - 1]
14198 = StrSave(commentList[currentMove]);
14200 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14202 if (appData.debugMode)
14203 fprintf(debugFP, "Saving %s for game %d\n",
14204 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14206 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14208 f = fopen(string, "w");
14209 if (appData.oldSaveStyle) {
14210 SaveGameOldStyle(f); /* also closes the file */
14212 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14213 f = fopen(string, "w");
14214 SavePosition(f, 0, NULL); /* also closes the file */
14216 fprintf(f, "{--------------\n");
14217 PrintPosition(f, currentMove);
14218 fprintf(f, "--------------}\n\n");
14220 SaveGame(f, 0, NULL); /* also closes the file*/
14223 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14224 nCmailMovesRegistered ++;
14225 } else if (nCmailGames == 1) {
14226 DisplayError(_("You have not made a move yet"), 0);
14237 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14238 FILE *commandOutput;
14239 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14240 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14246 if (! cmailMsgLoaded) {
14247 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14251 if (nCmailGames == nCmailResults) {
14252 DisplayError(_("No unfinished games"), 0);
14256 #if CMAIL_PROHIBIT_REMAIL
14257 if (cmailMailedMove) {
14258 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);
14259 DisplayError(msg, 0);
14264 if (! (cmailMailedMove || RegisterMove())) return;
14266 if ( cmailMailedMove
14267 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14268 snprintf(string, MSG_SIZ, partCommandString,
14269 appData.debugMode ? " -v" : "", appData.cmailGameName);
14270 commandOutput = popen(string, "r");
14272 if (commandOutput == NULL) {
14273 DisplayError(_("Failed to invoke cmail"), 0);
14275 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14276 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14278 if (nBuffers > 1) {
14279 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14280 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14281 nBytes = MSG_SIZ - 1;
14283 (void) memcpy(msg, buffer, nBytes);
14285 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14287 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14288 cmailMailedMove = TRUE; /* Prevent >1 moves */
14291 for (i = 0; i < nCmailGames; i ++) {
14292 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14297 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14299 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14301 appData.cmailGameName,
14303 LoadGameFromFile(buffer, 1, buffer, FALSE);
14304 cmailMsgLoaded = FALSE;
14308 DisplayInformation(msg);
14309 pclose(commandOutput);
14312 if ((*cmailMsg) != '\0') {
14313 DisplayInformation(cmailMsg);
14318 #endif /* !WIN32 */
14327 int prependComma = 0;
14329 char string[MSG_SIZ]; /* Space for game-list */
14332 if (!cmailMsgLoaded) return "";
14334 if (cmailMailedMove) {
14335 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14337 /* Create a list of games left */
14338 snprintf(string, MSG_SIZ, "[");
14339 for (i = 0; i < nCmailGames; i ++) {
14340 if (! ( cmailMoveRegistered[i]
14341 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14342 if (prependComma) {
14343 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14345 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14349 strcat(string, number);
14352 strcat(string, "]");
14354 if (nCmailMovesRegistered + nCmailResults == 0) {
14355 switch (nCmailGames) {
14357 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14361 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14365 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14370 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14372 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14377 if (nCmailResults == nCmailGames) {
14378 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14380 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14385 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14397 if (gameMode == Training)
14398 SetTrainingModeOff();
14401 cmailMsgLoaded = FALSE;
14402 if (appData.icsActive) {
14403 SendToICS(ics_prefix);
14404 SendToICS("refresh\n");
14409 ExitEvent (int status)
14413 /* Give up on clean exit */
14417 /* Keep trying for clean exit */
14421 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14422 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14424 if (telnetISR != NULL) {
14425 RemoveInputSource(telnetISR);
14427 if (icsPR != NoProc) {
14428 DestroyChildProcess(icsPR, TRUE);
14431 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14432 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14434 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14435 /* make sure this other one finishes before killing it! */
14436 if(endingGame) { int count = 0;
14437 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14438 while(endingGame && count++ < 10) DoSleep(1);
14439 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14442 /* Kill off chess programs */
14443 if (first.pr != NoProc) {
14446 DoSleep( appData.delayBeforeQuit );
14447 SendToProgram("quit\n", &first);
14448 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14450 if (second.pr != NoProc) {
14451 DoSleep( appData.delayBeforeQuit );
14452 SendToProgram("quit\n", &second);
14453 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14455 if (first.isr != NULL) {
14456 RemoveInputSource(first.isr);
14458 if (second.isr != NULL) {
14459 RemoveInputSource(second.isr);
14462 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14463 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14465 ShutDownFrontEnd();
14470 PauseEngine (ChessProgramState *cps)
14472 SendToProgram("pause\n", cps);
14477 UnPauseEngine (ChessProgramState *cps)
14479 SendToProgram("resume\n", cps);
14486 if (appData.debugMode)
14487 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14491 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14493 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14494 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14495 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14497 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14498 HandleMachineMove(stashedInputMove, stalledEngine);
14499 stalledEngine = NULL;
14502 if (gameMode == MachinePlaysWhite ||
14503 gameMode == TwoMachinesPlay ||
14504 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14505 if(first.pause) UnPauseEngine(&first);
14506 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14507 if(second.pause) UnPauseEngine(&second);
14508 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14511 DisplayBothClocks();
14513 if (gameMode == PlayFromGameFile) {
14514 if (appData.timeDelay >= 0)
14515 AutoPlayGameLoop();
14516 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14517 Reset(FALSE, TRUE);
14518 SendToICS(ics_prefix);
14519 SendToICS("refresh\n");
14520 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14521 ForwardInner(forwardMostMove);
14523 pauseExamInvalid = FALSE;
14525 switch (gameMode) {
14529 pauseExamForwardMostMove = forwardMostMove;
14530 pauseExamInvalid = FALSE;
14533 case IcsPlayingWhite:
14534 case IcsPlayingBlack:
14538 case PlayFromGameFile:
14539 (void) StopLoadGameTimer();
14543 case BeginningOfGame:
14544 if (appData.icsActive) return;
14545 /* else fall through */
14546 case MachinePlaysWhite:
14547 case MachinePlaysBlack:
14548 case TwoMachinesPlay:
14549 if (forwardMostMove == 0)
14550 return; /* don't pause if no one has moved */
14551 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14552 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14553 if(onMove->pause) { // thinking engine can be paused
14554 PauseEngine(onMove); // do it
14555 if(onMove->other->pause) // pondering opponent can always be paused immediately
14556 PauseEngine(onMove->other);
14558 SendToProgram("easy\n", onMove->other);
14560 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14561 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14563 PauseEngine(&first);
14565 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14566 } else { // human on move, pause pondering by either method
14568 PauseEngine(&first);
14569 else if(appData.ponderNextMove)
14570 SendToProgram("easy\n", &first);
14573 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14583 EditCommentEvent ()
14585 char title[MSG_SIZ];
14587 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14588 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14590 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14591 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14592 parseList[currentMove - 1]);
14595 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14602 char *tags = PGNTags(&gameInfo);
14604 EditTagsPopUp(tags, NULL);
14611 if(second.analyzing) {
14612 SendToProgram("exit\n", &second);
14613 second.analyzing = FALSE;
14615 if (second.pr == NoProc) StartChessProgram(&second);
14616 InitChessProgram(&second, FALSE);
14617 FeedMovesToProgram(&second, currentMove);
14619 SendToProgram("analyze\n", &second);
14620 second.analyzing = TRUE;
14624 /* Toggle ShowThinking */
14626 ToggleShowThinking()
14628 appData.showThinking = !appData.showThinking;
14629 ShowThinkingEvent();
14633 AnalyzeModeEvent ()
14637 if (!first.analysisSupport) {
14638 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14639 DisplayError(buf, 0);
14642 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14643 if (appData.icsActive) {
14644 if (gameMode != IcsObserving) {
14645 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14646 DisplayError(buf, 0);
14648 if (appData.icsEngineAnalyze) {
14649 if (appData.debugMode)
14650 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14656 /* if enable, user wants to disable icsEngineAnalyze */
14657 if (appData.icsEngineAnalyze) {
14662 appData.icsEngineAnalyze = TRUE;
14663 if (appData.debugMode)
14664 fprintf(debugFP, "ICS engine analyze starting... \n");
14667 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14668 if (appData.noChessProgram || gameMode == AnalyzeMode)
14671 if (gameMode != AnalyzeFile) {
14672 if (!appData.icsEngineAnalyze) {
14674 if (gameMode != EditGame) return 0;
14676 if (!appData.showThinking) ToggleShowThinking();
14677 ResurrectChessProgram();
14678 SendToProgram("analyze\n", &first);
14679 first.analyzing = TRUE;
14680 /*first.maybeThinking = TRUE;*/
14681 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14682 EngineOutputPopUp();
14684 if (!appData.icsEngineAnalyze) {
14685 gameMode = AnalyzeMode;
14686 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14692 StartAnalysisClock();
14693 GetTimeMark(&lastNodeCountTime);
14699 AnalyzeFileEvent ()
14701 if (appData.noChessProgram || gameMode == AnalyzeFile)
14704 if (!first.analysisSupport) {
14706 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14707 DisplayError(buf, 0);
14711 if (gameMode != AnalyzeMode) {
14712 keepInfo = 1; // mere annotating should not alter PGN tags
14715 if (gameMode != EditGame) return;
14716 if (!appData.showThinking) ToggleShowThinking();
14717 ResurrectChessProgram();
14718 SendToProgram("analyze\n", &first);
14719 first.analyzing = TRUE;
14720 /*first.maybeThinking = TRUE;*/
14721 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14722 EngineOutputPopUp();
14724 gameMode = AnalyzeFile;
14728 StartAnalysisClock();
14729 GetTimeMark(&lastNodeCountTime);
14731 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14732 AnalysisPeriodicEvent(1);
14736 MachineWhiteEvent ()
14739 char *bookHit = NULL;
14741 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14745 if (gameMode == PlayFromGameFile ||
14746 gameMode == TwoMachinesPlay ||
14747 gameMode == Training ||
14748 gameMode == AnalyzeMode ||
14749 gameMode == EndOfGame)
14752 if (gameMode == EditPosition)
14753 EditPositionDone(TRUE);
14755 if (!WhiteOnMove(currentMove)) {
14756 DisplayError(_("It is not White's turn"), 0);
14760 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14763 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14764 gameMode == AnalyzeFile)
14767 ResurrectChessProgram(); /* in case it isn't running */
14768 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14769 gameMode = MachinePlaysWhite;
14772 gameMode = MachinePlaysWhite;
14776 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14778 if (first.sendName) {
14779 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14780 SendToProgram(buf, &first);
14782 if (first.sendTime) {
14783 if (first.useColors) {
14784 SendToProgram("black\n", &first); /*gnu kludge*/
14786 SendTimeRemaining(&first, TRUE);
14788 if (first.useColors) {
14789 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14791 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14792 SetMachineThinkingEnables();
14793 first.maybeThinking = TRUE;
14797 if (appData.autoFlipView && !flipView) {
14798 flipView = !flipView;
14799 DrawPosition(FALSE, NULL);
14800 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14803 if(bookHit) { // [HGM] book: simulate book reply
14804 static char bookMove[MSG_SIZ]; // a bit generous?
14806 programStats.nodes = programStats.depth = programStats.time =
14807 programStats.score = programStats.got_only_move = 0;
14808 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14810 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14811 strcat(bookMove, bookHit);
14812 HandleMachineMove(bookMove, &first);
14817 MachineBlackEvent ()
14820 char *bookHit = NULL;
14822 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14826 if (gameMode == PlayFromGameFile ||
14827 gameMode == TwoMachinesPlay ||
14828 gameMode == Training ||
14829 gameMode == AnalyzeMode ||
14830 gameMode == EndOfGame)
14833 if (gameMode == EditPosition)
14834 EditPositionDone(TRUE);
14836 if (WhiteOnMove(currentMove)) {
14837 DisplayError(_("It is not Black's turn"), 0);
14841 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14844 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14845 gameMode == AnalyzeFile)
14848 ResurrectChessProgram(); /* in case it isn't running */
14849 gameMode = MachinePlaysBlack;
14853 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14855 if (first.sendName) {
14856 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14857 SendToProgram(buf, &first);
14859 if (first.sendTime) {
14860 if (first.useColors) {
14861 SendToProgram("white\n", &first); /*gnu kludge*/
14863 SendTimeRemaining(&first, FALSE);
14865 if (first.useColors) {
14866 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14868 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14869 SetMachineThinkingEnables();
14870 first.maybeThinking = TRUE;
14873 if (appData.autoFlipView && flipView) {
14874 flipView = !flipView;
14875 DrawPosition(FALSE, NULL);
14876 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14878 if(bookHit) { // [HGM] book: simulate book reply
14879 static char bookMove[MSG_SIZ]; // a bit generous?
14881 programStats.nodes = programStats.depth = programStats.time =
14882 programStats.score = programStats.got_only_move = 0;
14883 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14885 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14886 strcat(bookMove, bookHit);
14887 HandleMachineMove(bookMove, &first);
14893 DisplayTwoMachinesTitle ()
14896 if (appData.matchGames > 0) {
14897 if(appData.tourneyFile[0]) {
14898 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14899 gameInfo.white, _("vs."), gameInfo.black,
14900 nextGame+1, appData.matchGames+1,
14901 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14903 if (first.twoMachinesColor[0] == 'w') {
14904 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14905 gameInfo.white, _("vs."), gameInfo.black,
14906 first.matchWins, second.matchWins,
14907 matchGame - 1 - (first.matchWins + second.matchWins));
14909 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14910 gameInfo.white, _("vs."), gameInfo.black,
14911 second.matchWins, first.matchWins,
14912 matchGame - 1 - (first.matchWins + second.matchWins));
14915 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14921 SettingsMenuIfReady ()
14923 if (second.lastPing != second.lastPong) {
14924 DisplayMessage("", _("Waiting for second chess program"));
14925 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14929 DisplayMessage("", "");
14930 SettingsPopUp(&second);
14934 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14937 if (cps->pr == NoProc) {
14938 StartChessProgram(cps);
14939 if (cps->protocolVersion == 1) {
14941 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14943 /* kludge: allow timeout for initial "feature" command */
14944 if(retry != TwoMachinesEventIfReady) FreezeUI();
14945 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14946 DisplayMessage("", buf);
14947 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14955 TwoMachinesEvent P((void))
14959 ChessProgramState *onmove;
14960 char *bookHit = NULL;
14961 static int stalling = 0;
14965 if (appData.noChessProgram) return;
14967 switch (gameMode) {
14968 case TwoMachinesPlay:
14970 case MachinePlaysWhite:
14971 case MachinePlaysBlack:
14972 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14973 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14977 case BeginningOfGame:
14978 case PlayFromGameFile:
14981 if (gameMode != EditGame) return;
14984 EditPositionDone(TRUE);
14995 // forwardMostMove = currentMove;
14996 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14997 startingEngine = TRUE;
14999 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15001 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15002 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15003 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15006 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15008 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15009 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15010 startingEngine = matchMode = FALSE;
15011 DisplayError("second engine does not play this", 0);
15012 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15013 EditGameEvent(); // switch back to EditGame mode
15018 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15019 SendToProgram("force\n", &second);
15021 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15024 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15025 if(appData.matchPause>10000 || appData.matchPause<10)
15026 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15027 wait = SubtractTimeMarks(&now, &pauseStart);
15028 if(wait < appData.matchPause) {
15029 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15032 // we are now committed to starting the game
15034 DisplayMessage("", "");
15035 if (startedFromSetupPosition) {
15036 SendBoard(&second, backwardMostMove);
15037 if (appData.debugMode) {
15038 fprintf(debugFP, "Two Machines\n");
15041 for (i = backwardMostMove; i < forwardMostMove; i++) {
15042 SendMoveToProgram(i, &second);
15045 gameMode = TwoMachinesPlay;
15046 pausing = startingEngine = FALSE;
15047 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15049 DisplayTwoMachinesTitle();
15051 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15056 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15057 SendToProgram(first.computerString, &first);
15058 if (first.sendName) {
15059 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15060 SendToProgram(buf, &first);
15062 SendToProgram(second.computerString, &second);
15063 if (second.sendName) {
15064 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15065 SendToProgram(buf, &second);
15069 if (!first.sendTime || !second.sendTime) {
15070 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15071 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15073 if (onmove->sendTime) {
15074 if (onmove->useColors) {
15075 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15077 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15079 if (onmove->useColors) {
15080 SendToProgram(onmove->twoMachinesColor, onmove);
15082 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15083 // SendToProgram("go\n", onmove);
15084 onmove->maybeThinking = TRUE;
15085 SetMachineThinkingEnables();
15089 if(bookHit) { // [HGM] book: simulate book reply
15090 static char bookMove[MSG_SIZ]; // a bit generous?
15092 programStats.nodes = programStats.depth = programStats.time =
15093 programStats.score = programStats.got_only_move = 0;
15094 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15096 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15097 strcat(bookMove, bookHit);
15098 savedMessage = bookMove; // args for deferred call
15099 savedState = onmove;
15100 ScheduleDelayedEvent(DeferredBookMove, 1);
15107 if (gameMode == Training) {
15108 SetTrainingModeOff();
15109 gameMode = PlayFromGameFile;
15110 DisplayMessage("", _("Training mode off"));
15112 gameMode = Training;
15113 animateTraining = appData.animate;
15115 /* make sure we are not already at the end of the game */
15116 if (currentMove < forwardMostMove) {
15117 SetTrainingModeOn();
15118 DisplayMessage("", _("Training mode on"));
15120 gameMode = PlayFromGameFile;
15121 DisplayError(_("Already at end of game"), 0);
15130 if (!appData.icsActive) return;
15131 switch (gameMode) {
15132 case IcsPlayingWhite:
15133 case IcsPlayingBlack:
15136 case BeginningOfGame:
15144 EditPositionDone(TRUE);
15157 gameMode = IcsIdle;
15167 switch (gameMode) {
15169 SetTrainingModeOff();
15171 case MachinePlaysWhite:
15172 case MachinePlaysBlack:
15173 case BeginningOfGame:
15174 SendToProgram("force\n", &first);
15175 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15176 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15178 abortEngineThink = TRUE;
15179 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15180 SendToProgram(buf, &first);
15181 DisplayMessage("Aborting engine think", "");
15185 SetUserThinkingEnables();
15187 case PlayFromGameFile:
15188 (void) StopLoadGameTimer();
15189 if (gameFileFP != NULL) {
15194 EditPositionDone(TRUE);
15199 SendToProgram("force\n", &first);
15201 case TwoMachinesPlay:
15202 GameEnds(EndOfFile, NULL, GE_PLAYER);
15203 ResurrectChessProgram();
15204 SetUserThinkingEnables();
15207 ResurrectChessProgram();
15209 case IcsPlayingBlack:
15210 case IcsPlayingWhite:
15211 DisplayError(_("Warning: You are still playing a game"), 0);
15214 DisplayError(_("Warning: You are still observing a game"), 0);
15217 DisplayError(_("Warning: You are still examining a game"), 0);
15228 first.offeredDraw = second.offeredDraw = 0;
15230 if (gameMode == PlayFromGameFile) {
15231 whiteTimeRemaining = timeRemaining[0][currentMove];
15232 blackTimeRemaining = timeRemaining[1][currentMove];
15236 if (gameMode == MachinePlaysWhite ||
15237 gameMode == MachinePlaysBlack ||
15238 gameMode == TwoMachinesPlay ||
15239 gameMode == EndOfGame) {
15240 i = forwardMostMove;
15241 while (i > currentMove) {
15242 SendToProgram("undo\n", &first);
15245 if(!adjustedClock) {
15246 whiteTimeRemaining = timeRemaining[0][currentMove];
15247 blackTimeRemaining = timeRemaining[1][currentMove];
15248 DisplayBothClocks();
15250 if (whiteFlag || blackFlag) {
15251 whiteFlag = blackFlag = 0;
15256 gameMode = EditGame;
15263 EditPositionEvent ()
15265 if (gameMode == EditPosition) {
15271 if (gameMode != EditGame) return;
15273 gameMode = EditPosition;
15276 if (currentMove > 0)
15277 CopyBoard(boards[0], boards[currentMove]);
15279 blackPlaysFirst = !WhiteOnMove(currentMove);
15281 currentMove = forwardMostMove = backwardMostMove = 0;
15282 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15284 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15290 /* [DM] icsEngineAnalyze - possible call from other functions */
15291 if (appData.icsEngineAnalyze) {
15292 appData.icsEngineAnalyze = FALSE;
15294 DisplayMessage("",_("Close ICS engine analyze..."));
15296 if (first.analysisSupport && first.analyzing) {
15297 SendToBoth("exit\n");
15298 first.analyzing = second.analyzing = FALSE;
15300 thinkOutput[0] = NULLCHAR;
15304 EditPositionDone (Boolean fakeRights)
15306 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15308 startedFromSetupPosition = TRUE;
15309 InitChessProgram(&first, FALSE);
15310 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15311 boards[0][EP_STATUS] = EP_NONE;
15312 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15313 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15314 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15315 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15316 } else boards[0][CASTLING][2] = NoRights;
15317 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15318 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15319 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15320 } else boards[0][CASTLING][5] = NoRights;
15321 if(gameInfo.variant == VariantSChess) {
15323 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15324 boards[0][VIRGIN][i] = 0;
15325 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15326 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15330 SendToProgram("force\n", &first);
15331 if (blackPlaysFirst) {
15332 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15333 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15334 currentMove = forwardMostMove = backwardMostMove = 1;
15335 CopyBoard(boards[1], boards[0]);
15337 currentMove = forwardMostMove = backwardMostMove = 0;
15339 SendBoard(&first, forwardMostMove);
15340 if (appData.debugMode) {
15341 fprintf(debugFP, "EditPosDone\n");
15344 DisplayMessage("", "");
15345 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15346 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15347 gameMode = EditGame;
15349 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15350 ClearHighlights(); /* [AS] */
15353 /* Pause for `ms' milliseconds */
15354 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15356 TimeDelay (long ms)
15363 } while (SubtractTimeMarks(&m2, &m1) < ms);
15366 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15368 SendMultiLineToICS (char *buf)
15370 char temp[MSG_SIZ+1], *p;
15377 strncpy(temp, buf, len);
15382 if (*p == '\n' || *p == '\r')
15387 strcat(temp, "\n");
15389 SendToPlayer(temp, strlen(temp));
15393 SetWhiteToPlayEvent ()
15395 if (gameMode == EditPosition) {
15396 blackPlaysFirst = FALSE;
15397 DisplayBothClocks(); /* works because currentMove is 0 */
15398 } else if (gameMode == IcsExamining) {
15399 SendToICS(ics_prefix);
15400 SendToICS("tomove white\n");
15405 SetBlackToPlayEvent ()
15407 if (gameMode == EditPosition) {
15408 blackPlaysFirst = TRUE;
15409 currentMove = 1; /* kludge */
15410 DisplayBothClocks();
15412 } else if (gameMode == IcsExamining) {
15413 SendToICS(ics_prefix);
15414 SendToICS("tomove black\n");
15419 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15422 ChessSquare piece = boards[0][y][x];
15423 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15424 static int lastVariant;
15426 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15428 switch (selection) {
15430 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15431 MarkTargetSquares(1);
15432 CopyBoard(currentBoard, boards[0]);
15433 CopyBoard(menuBoard, initialPosition);
15434 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15435 SendToICS(ics_prefix);
15436 SendToICS("bsetup clear\n");
15437 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15438 SendToICS(ics_prefix);
15439 SendToICS("clearboard\n");
15442 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15443 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15444 for (y = 0; y < BOARD_HEIGHT; y++) {
15445 if (gameMode == IcsExamining) {
15446 if (boards[currentMove][y][x] != EmptySquare) {
15447 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15451 } else if(boards[0][y][x] != DarkSquare) {
15452 if(boards[0][y][x] != p) nonEmpty++;
15453 boards[0][y][x] = p;
15457 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15459 for(r = 0; r < BOARD_HEIGHT; r++) {
15460 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15461 ChessSquare p = menuBoard[r][x];
15462 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15465 DisplayMessage("Clicking clock again restores position", "");
15466 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15467 if(!nonEmpty) { // asked to clear an empty board
15468 CopyBoard(boards[0], menuBoard);
15470 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15471 CopyBoard(boards[0], initialPosition);
15473 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15474 && !CompareBoards(nullBoard, erasedBoard)) {
15475 CopyBoard(boards[0], erasedBoard);
15477 CopyBoard(erasedBoard, currentBoard);
15481 if (gameMode == EditPosition) {
15482 DrawPosition(FALSE, boards[0]);
15487 SetWhiteToPlayEvent();
15491 SetBlackToPlayEvent();
15495 if (gameMode == IcsExamining) {
15496 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15497 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15500 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15501 if(x == BOARD_LEFT-2) {
15502 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15503 boards[0][y][1] = 0;
15505 if(x == BOARD_RGHT+1) {
15506 if(y >= gameInfo.holdingsSize) break;
15507 boards[0][y][BOARD_WIDTH-2] = 0;
15510 boards[0][y][x] = EmptySquare;
15511 DrawPosition(FALSE, boards[0]);
15516 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15517 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15518 selection = (ChessSquare) (PROMOTED(piece));
15519 } else if(piece == EmptySquare) selection = WhiteSilver;
15520 else selection = (ChessSquare)((int)piece - 1);
15524 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15525 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15526 selection = (ChessSquare) (DEMOTED(piece));
15527 } else if(piece == EmptySquare) selection = BlackSilver;
15528 else selection = (ChessSquare)((int)piece + 1);
15533 if(gameInfo.variant == VariantShatranj ||
15534 gameInfo.variant == VariantXiangqi ||
15535 gameInfo.variant == VariantCourier ||
15536 gameInfo.variant == VariantASEAN ||
15537 gameInfo.variant == VariantMakruk )
15538 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15543 if(gameInfo.variant == VariantXiangqi)
15544 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15545 if(gameInfo.variant == VariantKnightmate)
15546 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15549 if (gameMode == IcsExamining) {
15550 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15551 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15552 PieceToChar(selection), AAA + x, ONE + y);
15555 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15557 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15558 n = PieceToNumber(selection - BlackPawn);
15559 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15560 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15561 boards[0][BOARD_HEIGHT-1-n][1]++;
15563 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15564 n = PieceToNumber(selection);
15565 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15566 boards[0][n][BOARD_WIDTH-1] = selection;
15567 boards[0][n][BOARD_WIDTH-2]++;
15570 boards[0][y][x] = selection;
15571 DrawPosition(TRUE, boards[0]);
15573 fromX = fromY = -1;
15581 DropMenuEvent (ChessSquare selection, int x, int y)
15583 ChessMove moveType;
15585 switch (gameMode) {
15586 case IcsPlayingWhite:
15587 case MachinePlaysBlack:
15588 if (!WhiteOnMove(currentMove)) {
15589 DisplayMoveError(_("It is Black's turn"));
15592 moveType = WhiteDrop;
15594 case IcsPlayingBlack:
15595 case MachinePlaysWhite:
15596 if (WhiteOnMove(currentMove)) {
15597 DisplayMoveError(_("It is White's turn"));
15600 moveType = BlackDrop;
15603 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15609 if (moveType == BlackDrop && selection < BlackPawn) {
15610 selection = (ChessSquare) ((int) selection
15611 + (int) BlackPawn - (int) WhitePawn);
15613 if (boards[currentMove][y][x] != EmptySquare) {
15614 DisplayMoveError(_("That square is occupied"));
15618 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15624 /* Accept a pending offer of any kind from opponent */
15626 if (appData.icsActive) {
15627 SendToICS(ics_prefix);
15628 SendToICS("accept\n");
15629 } else if (cmailMsgLoaded) {
15630 if (currentMove == cmailOldMove &&
15631 commentList[cmailOldMove] != NULL &&
15632 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15633 "Black offers a draw" : "White offers a draw")) {
15635 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15636 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15638 DisplayError(_("There is no pending offer on this move"), 0);
15639 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15642 /* Not used for offers from chess program */
15649 /* Decline a pending offer of any kind from opponent */
15651 if (appData.icsActive) {
15652 SendToICS(ics_prefix);
15653 SendToICS("decline\n");
15654 } else if (cmailMsgLoaded) {
15655 if (currentMove == cmailOldMove &&
15656 commentList[cmailOldMove] != NULL &&
15657 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15658 "Black offers a draw" : "White offers a draw")) {
15660 AppendComment(cmailOldMove, "Draw declined", TRUE);
15661 DisplayComment(cmailOldMove - 1, "Draw declined");
15664 DisplayError(_("There is no pending offer on this move"), 0);
15667 /* Not used for offers from chess program */
15674 /* Issue ICS rematch command */
15675 if (appData.icsActive) {
15676 SendToICS(ics_prefix);
15677 SendToICS("rematch\n");
15684 /* Call your opponent's flag (claim a win on time) */
15685 if (appData.icsActive) {
15686 SendToICS(ics_prefix);
15687 SendToICS("flag\n");
15689 switch (gameMode) {
15692 case MachinePlaysWhite:
15695 GameEnds(GameIsDrawn, "Both players ran out of time",
15698 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15700 DisplayError(_("Your opponent is not out of time"), 0);
15703 case MachinePlaysBlack:
15706 GameEnds(GameIsDrawn, "Both players ran out of time",
15709 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15711 DisplayError(_("Your opponent is not out of time"), 0);
15719 ClockClick (int which)
15720 { // [HGM] code moved to back-end from winboard.c
15721 if(which) { // black clock
15722 if (gameMode == EditPosition || gameMode == IcsExamining) {
15723 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15724 SetBlackToPlayEvent();
15725 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15726 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15727 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15728 } else if (shiftKey) {
15729 AdjustClock(which, -1);
15730 } else if (gameMode == IcsPlayingWhite ||
15731 gameMode == MachinePlaysBlack) {
15734 } else { // white clock
15735 if (gameMode == EditPosition || gameMode == IcsExamining) {
15736 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15737 SetWhiteToPlayEvent();
15738 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15739 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15740 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15741 } else if (shiftKey) {
15742 AdjustClock(which, -1);
15743 } else if (gameMode == IcsPlayingBlack ||
15744 gameMode == MachinePlaysWhite) {
15753 /* Offer draw or accept pending draw offer from opponent */
15755 if (appData.icsActive) {
15756 /* Note: tournament rules require draw offers to be
15757 made after you make your move but before you punch
15758 your clock. Currently ICS doesn't let you do that;
15759 instead, you immediately punch your clock after making
15760 a move, but you can offer a draw at any time. */
15762 SendToICS(ics_prefix);
15763 SendToICS("draw\n");
15764 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15765 } else if (cmailMsgLoaded) {
15766 if (currentMove == cmailOldMove &&
15767 commentList[cmailOldMove] != NULL &&
15768 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15769 "Black offers a draw" : "White offers a draw")) {
15770 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15771 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15772 } else if (currentMove == cmailOldMove + 1) {
15773 char *offer = WhiteOnMove(cmailOldMove) ?
15774 "White offers a draw" : "Black offers a draw";
15775 AppendComment(currentMove, offer, TRUE);
15776 DisplayComment(currentMove - 1, offer);
15777 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15779 DisplayError(_("You must make your move before offering a draw"), 0);
15780 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15782 } else if (first.offeredDraw) {
15783 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15785 if (first.sendDrawOffers) {
15786 SendToProgram("draw\n", &first);
15787 userOfferedDraw = TRUE;
15795 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15797 if (appData.icsActive) {
15798 SendToICS(ics_prefix);
15799 SendToICS("adjourn\n");
15801 /* Currently GNU Chess doesn't offer or accept Adjourns */
15809 /* Offer Abort or accept pending Abort offer from opponent */
15811 if (appData.icsActive) {
15812 SendToICS(ics_prefix);
15813 SendToICS("abort\n");
15815 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15822 /* Resign. You can do this even if it's not your turn. */
15824 if (appData.icsActive) {
15825 SendToICS(ics_prefix);
15826 SendToICS("resign\n");
15828 switch (gameMode) {
15829 case MachinePlaysWhite:
15830 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15832 case MachinePlaysBlack:
15833 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15836 if (cmailMsgLoaded) {
15838 if (WhiteOnMove(cmailOldMove)) {
15839 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15841 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15843 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15854 StopObservingEvent ()
15856 /* Stop observing current games */
15857 SendToICS(ics_prefix);
15858 SendToICS("unobserve\n");
15862 StopExaminingEvent ()
15864 /* Stop observing current game */
15865 SendToICS(ics_prefix);
15866 SendToICS("unexamine\n");
15870 ForwardInner (int target)
15872 int limit; int oldSeekGraphUp = seekGraphUp;
15874 if (appData.debugMode)
15875 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15876 target, currentMove, forwardMostMove);
15878 if (gameMode == EditPosition)
15881 seekGraphUp = FALSE;
15882 MarkTargetSquares(1);
15883 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15885 if (gameMode == PlayFromGameFile && !pausing)
15888 if (gameMode == IcsExamining && pausing)
15889 limit = pauseExamForwardMostMove;
15891 limit = forwardMostMove;
15893 if (target > limit) target = limit;
15895 if (target > 0 && moveList[target - 1][0]) {
15896 int fromX, fromY, toX, toY;
15897 toX = moveList[target - 1][2] - AAA;
15898 toY = moveList[target - 1][3] - ONE;
15899 if (moveList[target - 1][1] == '@') {
15900 if (appData.highlightLastMove) {
15901 SetHighlights(-1, -1, toX, toY);
15904 fromX = moveList[target - 1][0] - AAA;
15905 fromY = moveList[target - 1][1] - ONE;
15906 if (target == currentMove + 1) {
15907 if(moveList[target - 1][4] == ';') { // multi-leg
15908 killX = moveList[target - 1][5] - AAA;
15909 killY = moveList[target - 1][6] - ONE;
15911 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15912 killX = killY = -1;
15914 if (appData.highlightLastMove) {
15915 SetHighlights(fromX, fromY, toX, toY);
15919 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15920 gameMode == Training || gameMode == PlayFromGameFile ||
15921 gameMode == AnalyzeFile) {
15922 while (currentMove < target) {
15923 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15924 SendMoveToProgram(currentMove++, &first);
15927 currentMove = target;
15930 if (gameMode == EditGame || gameMode == EndOfGame) {
15931 whiteTimeRemaining = timeRemaining[0][currentMove];
15932 blackTimeRemaining = timeRemaining[1][currentMove];
15934 DisplayBothClocks();
15935 DisplayMove(currentMove - 1);
15936 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15937 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15938 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15939 DisplayComment(currentMove - 1, commentList[currentMove]);
15941 ClearMap(); // [HGM] exclude: invalidate map
15948 if (gameMode == IcsExamining && !pausing) {
15949 SendToICS(ics_prefix);
15950 SendToICS("forward\n");
15952 ForwardInner(currentMove + 1);
15959 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15960 /* to optimze, we temporarily turn off analysis mode while we feed
15961 * the remaining moves to the engine. Otherwise we get analysis output
15964 if (first.analysisSupport) {
15965 SendToProgram("exit\nforce\n", &first);
15966 first.analyzing = FALSE;
15970 if (gameMode == IcsExamining && !pausing) {
15971 SendToICS(ics_prefix);
15972 SendToICS("forward 999999\n");
15974 ForwardInner(forwardMostMove);
15977 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15978 /* we have fed all the moves, so reactivate analysis mode */
15979 SendToProgram("analyze\n", &first);
15980 first.analyzing = TRUE;
15981 /*first.maybeThinking = TRUE;*/
15982 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15987 BackwardInner (int target)
15989 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15991 if (appData.debugMode)
15992 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15993 target, currentMove, forwardMostMove);
15995 if (gameMode == EditPosition) return;
15996 seekGraphUp = FALSE;
15997 MarkTargetSquares(1);
15998 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15999 if (currentMove <= backwardMostMove) {
16001 DrawPosition(full_redraw, boards[currentMove]);
16004 if (gameMode == PlayFromGameFile && !pausing)
16007 if (moveList[target][0]) {
16008 int fromX, fromY, toX, toY;
16009 toX = moveList[target][2] - AAA;
16010 toY = moveList[target][3] - ONE;
16011 if (moveList[target][1] == '@') {
16012 if (appData.highlightLastMove) {
16013 SetHighlights(-1, -1, toX, toY);
16016 fromX = moveList[target][0] - AAA;
16017 fromY = moveList[target][1] - ONE;
16018 if (target == currentMove - 1) {
16019 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16021 if (appData.highlightLastMove) {
16022 SetHighlights(fromX, fromY, toX, toY);
16026 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16027 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16028 while (currentMove > target) {
16029 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16030 // null move cannot be undone. Reload program with move history before it.
16032 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16033 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16035 SendBoard(&first, i);
16036 if(second.analyzing) SendBoard(&second, i);
16037 for(currentMove=i; currentMove<target; currentMove++) {
16038 SendMoveToProgram(currentMove, &first);
16039 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16043 SendToBoth("undo\n");
16047 currentMove = target;
16050 if (gameMode == EditGame || gameMode == EndOfGame) {
16051 whiteTimeRemaining = timeRemaining[0][currentMove];
16052 blackTimeRemaining = timeRemaining[1][currentMove];
16054 DisplayBothClocks();
16055 DisplayMove(currentMove - 1);
16056 DrawPosition(full_redraw, boards[currentMove]);
16057 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16058 // [HGM] PV info: routine tests if comment empty
16059 DisplayComment(currentMove - 1, commentList[currentMove]);
16060 ClearMap(); // [HGM] exclude: invalidate map
16066 if (gameMode == IcsExamining && !pausing) {
16067 SendToICS(ics_prefix);
16068 SendToICS("backward\n");
16070 BackwardInner(currentMove - 1);
16077 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16078 /* to optimize, we temporarily turn off analysis mode while we undo
16079 * all the moves. Otherwise we get analysis output after each undo.
16081 if (first.analysisSupport) {
16082 SendToProgram("exit\nforce\n", &first);
16083 first.analyzing = FALSE;
16087 if (gameMode == IcsExamining && !pausing) {
16088 SendToICS(ics_prefix);
16089 SendToICS("backward 999999\n");
16091 BackwardInner(backwardMostMove);
16094 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16095 /* we have fed all the moves, so reactivate analysis mode */
16096 SendToProgram("analyze\n", &first);
16097 first.analyzing = TRUE;
16098 /*first.maybeThinking = TRUE;*/
16099 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16106 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16107 if (to >= forwardMostMove) to = forwardMostMove;
16108 if (to <= backwardMostMove) to = backwardMostMove;
16109 if (to < currentMove) {
16117 RevertEvent (Boolean annotate)
16119 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16122 if (gameMode != IcsExamining) {
16123 DisplayError(_("You are not examining a game"), 0);
16127 DisplayError(_("You can't revert while pausing"), 0);
16130 SendToICS(ics_prefix);
16131 SendToICS("revert\n");
16135 RetractMoveEvent ()
16137 switch (gameMode) {
16138 case MachinePlaysWhite:
16139 case MachinePlaysBlack:
16140 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16141 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16144 if (forwardMostMove < 2) return;
16145 currentMove = forwardMostMove = forwardMostMove - 2;
16146 whiteTimeRemaining = timeRemaining[0][currentMove];
16147 blackTimeRemaining = timeRemaining[1][currentMove];
16148 DisplayBothClocks();
16149 DisplayMove(currentMove - 1);
16150 ClearHighlights();/*!! could figure this out*/
16151 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16152 SendToProgram("remove\n", &first);
16153 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16156 case BeginningOfGame:
16160 case IcsPlayingWhite:
16161 case IcsPlayingBlack:
16162 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16163 SendToICS(ics_prefix);
16164 SendToICS("takeback 2\n");
16166 SendToICS(ics_prefix);
16167 SendToICS("takeback 1\n");
16176 ChessProgramState *cps;
16178 switch (gameMode) {
16179 case MachinePlaysWhite:
16180 if (!WhiteOnMove(forwardMostMove)) {
16181 DisplayError(_("It is your turn"), 0);
16186 case MachinePlaysBlack:
16187 if (WhiteOnMove(forwardMostMove)) {
16188 DisplayError(_("It is your turn"), 0);
16193 case TwoMachinesPlay:
16194 if (WhiteOnMove(forwardMostMove) ==
16195 (first.twoMachinesColor[0] == 'w')) {
16201 case BeginningOfGame:
16205 SendToProgram("?\n", cps);
16209 TruncateGameEvent ()
16212 if (gameMode != EditGame) return;
16219 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16220 if (forwardMostMove > currentMove) {
16221 if (gameInfo.resultDetails != NULL) {
16222 free(gameInfo.resultDetails);
16223 gameInfo.resultDetails = NULL;
16224 gameInfo.result = GameUnfinished;
16226 forwardMostMove = currentMove;
16227 HistorySet(parseList, backwardMostMove, forwardMostMove,
16235 if (appData.noChessProgram) return;
16236 switch (gameMode) {
16237 case MachinePlaysWhite:
16238 if (WhiteOnMove(forwardMostMove)) {
16239 DisplayError(_("Wait until your turn."), 0);
16243 case BeginningOfGame:
16244 case MachinePlaysBlack:
16245 if (!WhiteOnMove(forwardMostMove)) {
16246 DisplayError(_("Wait until your turn."), 0);
16251 DisplayError(_("No hint available"), 0);
16254 SendToProgram("hint\n", &first);
16255 hintRequested = TRUE;
16259 SaveSelected (FILE *g, int dummy, char *dummy2)
16261 ListGame * lg = (ListGame *) gameList.head;
16265 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16266 DisplayError(_("Game list not loaded or empty"), 0);
16270 creatingBook = TRUE; // suppresses stuff during load game
16272 /* Get list size */
16273 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16274 if(lg->position >= 0) { // selected?
16275 LoadGame(f, nItem, "", TRUE);
16276 SaveGamePGN2(g); // leaves g open
16279 lg = (ListGame *) lg->node.succ;
16283 creatingBook = FALSE;
16291 ListGame * lg = (ListGame *) gameList.head;
16294 static int secondTime = FALSE;
16296 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16297 DisplayError(_("Game list not loaded or empty"), 0);
16301 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16304 DisplayNote(_("Book file exists! Try again for overwrite."));
16308 creatingBook = TRUE;
16309 secondTime = FALSE;
16311 /* Get list size */
16312 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16313 if(lg->position >= 0) {
16314 LoadGame(f, nItem, "", TRUE);
16315 AddGameToBook(TRUE);
16318 lg = (ListGame *) lg->node.succ;
16321 creatingBook = FALSE;
16328 if (appData.noChessProgram) return;
16329 switch (gameMode) {
16330 case MachinePlaysWhite:
16331 if (WhiteOnMove(forwardMostMove)) {
16332 DisplayError(_("Wait until your turn."), 0);
16336 case BeginningOfGame:
16337 case MachinePlaysBlack:
16338 if (!WhiteOnMove(forwardMostMove)) {
16339 DisplayError(_("Wait until your turn."), 0);
16344 EditPositionDone(TRUE);
16346 case TwoMachinesPlay:
16351 SendToProgram("bk\n", &first);
16352 bookOutput[0] = NULLCHAR;
16353 bookRequested = TRUE;
16359 char *tags = PGNTags(&gameInfo);
16360 TagsPopUp(tags, CmailMsg());
16364 /* end button procedures */
16367 PrintPosition (FILE *fp, int move)
16371 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16372 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16373 char c = PieceToChar(boards[move][i][j]);
16374 fputc(c == '?' ? '.' : c, fp);
16375 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16378 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16379 fprintf(fp, "white to play\n");
16381 fprintf(fp, "black to play\n");
16385 PrintOpponents (FILE *fp)
16387 if (gameInfo.white != NULL) {
16388 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16394 /* Find last component of program's own name, using some heuristics */
16396 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16399 int local = (strcmp(host, "localhost") == 0);
16400 while (!local && (p = strchr(prog, ';')) != NULL) {
16402 while (*p == ' ') p++;
16405 if (*prog == '"' || *prog == '\'') {
16406 q = strchr(prog + 1, *prog);
16408 q = strchr(prog, ' ');
16410 if (q == NULL) q = prog + strlen(prog);
16412 while (p >= prog && *p != '/' && *p != '\\') p--;
16414 if(p == prog && *p == '"') p++;
16416 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16417 memcpy(buf, p, q - p);
16418 buf[q - p] = NULLCHAR;
16426 TimeControlTagValue ()
16429 if (!appData.clockMode) {
16430 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16431 } else if (movesPerSession > 0) {
16432 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16433 } else if (timeIncrement == 0) {
16434 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16436 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16438 return StrSave(buf);
16444 /* This routine is used only for certain modes */
16445 VariantClass v = gameInfo.variant;
16446 ChessMove r = GameUnfinished;
16449 if(keepInfo) return;
16451 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16452 r = gameInfo.result;
16453 p = gameInfo.resultDetails;
16454 gameInfo.resultDetails = NULL;
16456 ClearGameInfo(&gameInfo);
16457 gameInfo.variant = v;
16459 switch (gameMode) {
16460 case MachinePlaysWhite:
16461 gameInfo.event = StrSave( appData.pgnEventHeader );
16462 gameInfo.site = StrSave(HostName());
16463 gameInfo.date = PGNDate();
16464 gameInfo.round = StrSave("-");
16465 gameInfo.white = StrSave(first.tidy);
16466 gameInfo.black = StrSave(UserName());
16467 gameInfo.timeControl = TimeControlTagValue();
16470 case MachinePlaysBlack:
16471 gameInfo.event = StrSave( appData.pgnEventHeader );
16472 gameInfo.site = StrSave(HostName());
16473 gameInfo.date = PGNDate();
16474 gameInfo.round = StrSave("-");
16475 gameInfo.white = StrSave(UserName());
16476 gameInfo.black = StrSave(first.tidy);
16477 gameInfo.timeControl = TimeControlTagValue();
16480 case TwoMachinesPlay:
16481 gameInfo.event = StrSave( appData.pgnEventHeader );
16482 gameInfo.site = StrSave(HostName());
16483 gameInfo.date = PGNDate();
16486 snprintf(buf, MSG_SIZ, "%d", roundNr);
16487 gameInfo.round = StrSave(buf);
16489 gameInfo.round = StrSave("-");
16491 if (first.twoMachinesColor[0] == 'w') {
16492 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16493 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16495 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16496 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16498 gameInfo.timeControl = TimeControlTagValue();
16502 gameInfo.event = StrSave("Edited game");
16503 gameInfo.site = StrSave(HostName());
16504 gameInfo.date = PGNDate();
16505 gameInfo.round = StrSave("-");
16506 gameInfo.white = StrSave("-");
16507 gameInfo.black = StrSave("-");
16508 gameInfo.result = r;
16509 gameInfo.resultDetails = p;
16513 gameInfo.event = StrSave("Edited position");
16514 gameInfo.site = StrSave(HostName());
16515 gameInfo.date = PGNDate();
16516 gameInfo.round = StrSave("-");
16517 gameInfo.white = StrSave("-");
16518 gameInfo.black = StrSave("-");
16521 case IcsPlayingWhite:
16522 case IcsPlayingBlack:
16527 case PlayFromGameFile:
16528 gameInfo.event = StrSave("Game from non-PGN file");
16529 gameInfo.site = StrSave(HostName());
16530 gameInfo.date = PGNDate();
16531 gameInfo.round = StrSave("-");
16532 gameInfo.white = StrSave("?");
16533 gameInfo.black = StrSave("?");
16542 ReplaceComment (int index, char *text)
16548 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16549 pvInfoList[index-1].depth == len &&
16550 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16551 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16552 while (*text == '\n') text++;
16553 len = strlen(text);
16554 while (len > 0 && text[len - 1] == '\n') len--;
16556 if (commentList[index] != NULL)
16557 free(commentList[index]);
16560 commentList[index] = NULL;
16563 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16564 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16565 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16566 commentList[index] = (char *) malloc(len + 2);
16567 strncpy(commentList[index], text, len);
16568 commentList[index][len] = '\n';
16569 commentList[index][len + 1] = NULLCHAR;
16571 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16573 commentList[index] = (char *) malloc(len + 7);
16574 safeStrCpy(commentList[index], "{\n", 3);
16575 safeStrCpy(commentList[index]+2, text, len+1);
16576 commentList[index][len+2] = NULLCHAR;
16577 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16578 strcat(commentList[index], "\n}\n");
16583 CrushCRs (char *text)
16591 if (ch == '\r') continue;
16593 } while (ch != '\0');
16597 AppendComment (int index, char *text, Boolean addBraces)
16598 /* addBraces tells if we should add {} */
16603 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16604 if(addBraces == 3) addBraces = 0; else // force appending literally
16605 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16608 while (*text == '\n') text++;
16609 len = strlen(text);
16610 while (len > 0 && text[len - 1] == '\n') len--;
16611 text[len] = NULLCHAR;
16613 if (len == 0) return;
16615 if (commentList[index] != NULL) {
16616 Boolean addClosingBrace = addBraces;
16617 old = commentList[index];
16618 oldlen = strlen(old);
16619 while(commentList[index][oldlen-1] == '\n')
16620 commentList[index][--oldlen] = NULLCHAR;
16621 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16622 safeStrCpy(commentList[index], old, oldlen + len + 6);
16624 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16625 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16626 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16627 while (*text == '\n') { text++; len--; }
16628 commentList[index][--oldlen] = NULLCHAR;
16630 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16631 else strcat(commentList[index], "\n");
16632 strcat(commentList[index], text);
16633 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16634 else strcat(commentList[index], "\n");
16636 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16638 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16639 else commentList[index][0] = NULLCHAR;
16640 strcat(commentList[index], text);
16641 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16642 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16647 FindStr (char * text, char * sub_text)
16649 char * result = strstr( text, sub_text );
16651 if( result != NULL ) {
16652 result += strlen( sub_text );
16658 /* [AS] Try to extract PV info from PGN comment */
16659 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16661 GetInfoFromComment (int index, char * text)
16663 char * sep = text, *p;
16665 if( text != NULL && index > 0 ) {
16668 int time = -1, sec = 0, deci;
16669 char * s_eval = FindStr( text, "[%eval " );
16670 char * s_emt = FindStr( text, "[%emt " );
16672 if( s_eval != NULL || s_emt != NULL ) {
16674 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16679 if( s_eval != NULL ) {
16680 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16684 if( delim != ']' ) {
16689 if( s_emt != NULL ) {
16694 /* We expect something like: [+|-]nnn.nn/dd */
16697 if(*text != '{') return text; // [HGM] braces: must be normal comment
16699 sep = strchr( text, '/' );
16700 if( sep == NULL || sep < (text+4) ) {
16705 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16706 if(p[1] == '(') { // comment starts with PV
16707 p = strchr(p, ')'); // locate end of PV
16708 if(p == NULL || sep < p+5) return text;
16709 // at this point we have something like "{(.*) +0.23/6 ..."
16710 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16711 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16712 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16714 time = -1; sec = -1; deci = -1;
16715 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16716 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16717 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16718 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16722 if( score_lo < 0 || score_lo >= 100 ) {
16726 if(sec >= 0) time = 600*time + 10*sec; else
16727 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16729 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16731 /* [HGM] PV time: now locate end of PV info */
16732 while( *++sep >= '0' && *sep <= '9'); // strip depth
16734 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16736 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16738 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16739 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16750 pvInfoList[index-1].depth = depth;
16751 pvInfoList[index-1].score = score;
16752 pvInfoList[index-1].time = 10*time; // centi-sec
16753 if(*sep == '}') *sep = 0; else *--sep = '{';
16754 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16760 SendToProgram (char *message, ChessProgramState *cps)
16762 int count, outCount, error;
16765 if (cps->pr == NoProc) return;
16768 if (appData.debugMode) {
16771 fprintf(debugFP, "%ld >%-6s: %s",
16772 SubtractTimeMarks(&now, &programStartTime),
16773 cps->which, message);
16775 fprintf(serverFP, "%ld >%-6s: %s",
16776 SubtractTimeMarks(&now, &programStartTime),
16777 cps->which, message), fflush(serverFP);
16780 count = strlen(message);
16781 outCount = OutputToProcess(cps->pr, message, count, &error);
16782 if (outCount < count && !exiting
16783 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16784 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16785 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16786 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16787 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16788 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16789 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16790 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16792 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16793 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16794 gameInfo.result = res;
16796 gameInfo.resultDetails = StrSave(buf);
16798 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16799 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16804 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16808 ChessProgramState *cps = (ChessProgramState *)closure;
16810 if (isr != cps->isr) return; /* Killed intentionally */
16813 RemoveInputSource(cps->isr);
16814 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16815 _(cps->which), cps->program);
16816 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16817 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16818 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16819 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16820 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16821 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16823 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16824 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16825 gameInfo.result = res;
16827 gameInfo.resultDetails = StrSave(buf);
16829 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16830 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16832 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16833 _(cps->which), cps->program);
16834 RemoveInputSource(cps->isr);
16836 /* [AS] Program is misbehaving badly... kill it */
16837 if( count == -2 ) {
16838 DestroyChildProcess( cps->pr, 9 );
16842 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16847 if ((end_str = strchr(message, '\r')) != NULL)
16848 *end_str = NULLCHAR;
16849 if ((end_str = strchr(message, '\n')) != NULL)
16850 *end_str = NULLCHAR;
16852 if (appData.debugMode) {
16853 TimeMark now; int print = 1;
16854 char *quote = ""; char c; int i;
16856 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16857 char start = message[0];
16858 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16859 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16860 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16861 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16862 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16863 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16864 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16865 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16866 sscanf(message, "hint: %c", &c)!=1 &&
16867 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16868 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16869 print = (appData.engineComments >= 2);
16871 message[0] = start; // restore original message
16875 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16876 SubtractTimeMarks(&now, &programStartTime), cps->which,
16880 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16881 SubtractTimeMarks(&now, &programStartTime), cps->which,
16883 message), fflush(serverFP);
16887 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16888 if (appData.icsEngineAnalyze) {
16889 if (strstr(message, "whisper") != NULL ||
16890 strstr(message, "kibitz") != NULL ||
16891 strstr(message, "tellics") != NULL) return;
16894 HandleMachineMove(message, cps);
16899 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16904 if( timeControl_2 > 0 ) {
16905 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16906 tc = timeControl_2;
16909 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16910 inc /= cps->timeOdds;
16911 st /= cps->timeOdds;
16913 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16916 /* Set exact time per move, normally using st command */
16917 if (cps->stKludge) {
16918 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16920 if (seconds == 0) {
16921 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16923 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16926 snprintf(buf, MSG_SIZ, "st %d\n", st);
16929 /* Set conventional or incremental time control, using level command */
16930 if (seconds == 0) {
16931 /* Note old gnuchess bug -- minutes:seconds used to not work.
16932 Fixed in later versions, but still avoid :seconds
16933 when seconds is 0. */
16934 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16936 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16937 seconds, inc/1000.);
16940 SendToProgram(buf, cps);
16942 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16943 /* Orthogonally, limit search to given depth */
16945 if (cps->sdKludge) {
16946 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16948 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16950 SendToProgram(buf, cps);
16953 if(cps->nps >= 0) { /* [HGM] nps */
16954 if(cps->supportsNPS == FALSE)
16955 cps->nps = -1; // don't use if engine explicitly says not supported!
16957 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16958 SendToProgram(buf, cps);
16963 ChessProgramState *
16965 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16967 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16968 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16974 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16976 char message[MSG_SIZ];
16979 /* Note: this routine must be called when the clocks are stopped
16980 or when they have *just* been set or switched; otherwise
16981 it will be off by the time since the current tick started.
16983 if (machineWhite) {
16984 time = whiteTimeRemaining / 10;
16985 otime = blackTimeRemaining / 10;
16987 time = blackTimeRemaining / 10;
16988 otime = whiteTimeRemaining / 10;
16990 /* [HGM] translate opponent's time by time-odds factor */
16991 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16993 if (time <= 0) time = 1;
16994 if (otime <= 0) otime = 1;
16996 snprintf(message, MSG_SIZ, "time %ld\n", time);
16997 SendToProgram(message, cps);
16999 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17000 SendToProgram(message, cps);
17004 EngineDefinedVariant (ChessProgramState *cps, int n)
17005 { // return name of n-th unknown variant that engine supports
17006 static char buf[MSG_SIZ];
17007 char *p, *s = cps->variants;
17008 if(!s) return NULL;
17009 do { // parse string from variants feature
17011 p = strchr(s, ',');
17012 if(p) *p = NULLCHAR;
17013 v = StringToVariant(s);
17014 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17015 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17016 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17017 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17018 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17019 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17020 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17023 if(n < 0) return buf;
17029 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17032 int len = strlen(name);
17035 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17037 sscanf(*p, "%d", &val);
17039 while (**p && **p != ' ')
17041 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17042 SendToProgram(buf, cps);
17049 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17052 int len = strlen(name);
17053 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17055 sscanf(*p, "%d", loc);
17056 while (**p && **p != ' ') (*p)++;
17057 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17058 SendToProgram(buf, cps);
17065 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17068 int len = strlen(name);
17069 if (strncmp((*p), name, len) == 0
17070 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17072 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17073 sscanf(*p, "%[^\"]", *loc);
17074 while (**p && **p != '\"') (*p)++;
17075 if (**p == '\"') (*p)++;
17076 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17077 SendToProgram(buf, cps);
17084 ParseOption (Option *opt, ChessProgramState *cps)
17085 // [HGM] options: process the string that defines an engine option, and determine
17086 // name, type, default value, and allowed value range
17088 char *p, *q, buf[MSG_SIZ];
17089 int n, min = (-1)<<31, max = 1<<31, def;
17091 opt->target = &opt->value; // OK for spin/slider and checkbox
17092 if(p = strstr(opt->name, " -spin ")) {
17093 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17094 if(max < min) max = min; // enforce consistency
17095 if(def < min) def = min;
17096 if(def > max) def = max;
17101 } else if((p = strstr(opt->name, " -slider "))) {
17102 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17103 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17104 if(max < min) max = min; // enforce consistency
17105 if(def < min) def = min;
17106 if(def > max) def = max;
17110 opt->type = Spin; // Slider;
17111 } else if((p = strstr(opt->name, " -string "))) {
17112 opt->textValue = p+9;
17113 opt->type = TextBox;
17114 opt->target = &opt->textValue;
17115 } else if((p = strstr(opt->name, " -file "))) {
17116 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17117 opt->target = opt->textValue = p+7;
17118 opt->type = FileName; // FileName;
17119 opt->target = &opt->textValue;
17120 } else if((p = strstr(opt->name, " -path "))) {
17121 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17122 opt->target = opt->textValue = p+7;
17123 opt->type = PathName; // PathName;
17124 opt->target = &opt->textValue;
17125 } else if(p = strstr(opt->name, " -check ")) {
17126 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17127 opt->value = (def != 0);
17128 opt->type = CheckBox;
17129 } else if(p = strstr(opt->name, " -combo ")) {
17130 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17131 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17132 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17133 opt->value = n = 0;
17134 while(q = StrStr(q, " /// ")) {
17135 n++; *q = 0; // count choices, and null-terminate each of them
17137 if(*q == '*') { // remember default, which is marked with * prefix
17141 cps->comboList[cps->comboCnt++] = q;
17143 cps->comboList[cps->comboCnt++] = NULL;
17145 opt->type = ComboBox;
17146 } else if(p = strstr(opt->name, " -button")) {
17147 opt->type = Button;
17148 } else if(p = strstr(opt->name, " -save")) {
17149 opt->type = SaveButton;
17150 } else return FALSE;
17151 *p = 0; // terminate option name
17152 // now look if the command-line options define a setting for this engine option.
17153 if(cps->optionSettings && cps->optionSettings[0])
17154 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17155 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17156 snprintf(buf, MSG_SIZ, "option %s", p);
17157 if(p = strstr(buf, ",")) *p = 0;
17158 if(q = strchr(buf, '=')) switch(opt->type) {
17160 for(n=0; n<opt->max; n++)
17161 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17164 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17168 opt->value = atoi(q+1);
17173 SendToProgram(buf, cps);
17179 FeatureDone (ChessProgramState *cps, int val)
17181 DelayedEventCallback cb = GetDelayedEvent();
17182 if ((cb == InitBackEnd3 && cps == &first) ||
17183 (cb == SettingsMenuIfReady && cps == &second) ||
17184 (cb == LoadEngine) ||
17185 (cb == TwoMachinesEventIfReady)) {
17186 CancelDelayedEvent();
17187 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17188 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17189 cps->initDone = val;
17190 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17193 /* Parse feature command from engine */
17195 ParseFeatures (char *args, ChessProgramState *cps)
17203 while (*p == ' ') p++;
17204 if (*p == NULLCHAR) return;
17206 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17207 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17208 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17209 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17210 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17211 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17212 if (BoolFeature(&p, "reuse", &val, cps)) {
17213 /* Engine can disable reuse, but can't enable it if user said no */
17214 if (!val) cps->reuse = FALSE;
17217 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17218 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17219 if (gameMode == TwoMachinesPlay) {
17220 DisplayTwoMachinesTitle();
17226 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17227 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17228 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17229 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17230 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17231 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17232 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17233 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17234 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17235 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17236 if (IntFeature(&p, "done", &val, cps)) {
17237 FeatureDone(cps, val);
17240 /* Added by Tord: */
17241 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17242 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17243 /* End of additions by Tord */
17245 /* [HGM] added features: */
17246 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17247 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17248 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17249 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17250 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17251 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17252 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17253 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17254 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17255 FREE(cps->option[cps->nrOptions].name);
17256 cps->option[cps->nrOptions].name = q; q = NULL;
17257 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17258 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17259 SendToProgram(buf, cps);
17262 if(cps->nrOptions >= MAX_OPTIONS) {
17264 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17265 DisplayError(buf, 0);
17269 /* End of additions by HGM */
17271 /* unknown feature: complain and skip */
17273 while (*q && *q != '=') q++;
17274 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17275 SendToProgram(buf, cps);
17281 while (*p && *p != '\"') p++;
17282 if (*p == '\"') p++;
17284 while (*p && *p != ' ') p++;
17292 PeriodicUpdatesEvent (int newState)
17294 if (newState == appData.periodicUpdates)
17297 appData.periodicUpdates=newState;
17299 /* Display type changes, so update it now */
17300 // DisplayAnalysis();
17302 /* Get the ball rolling again... */
17304 AnalysisPeriodicEvent(1);
17305 StartAnalysisClock();
17310 PonderNextMoveEvent (int newState)
17312 if (newState == appData.ponderNextMove) return;
17313 if (gameMode == EditPosition) EditPositionDone(TRUE);
17315 SendToProgram("hard\n", &first);
17316 if (gameMode == TwoMachinesPlay) {
17317 SendToProgram("hard\n", &second);
17320 SendToProgram("easy\n", &first);
17321 thinkOutput[0] = NULLCHAR;
17322 if (gameMode == TwoMachinesPlay) {
17323 SendToProgram("easy\n", &second);
17326 appData.ponderNextMove = newState;
17330 NewSettingEvent (int option, int *feature, char *command, int value)
17334 if (gameMode == EditPosition) EditPositionDone(TRUE);
17335 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17336 if(feature == NULL || *feature) SendToProgram(buf, &first);
17337 if (gameMode == TwoMachinesPlay) {
17338 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17343 ShowThinkingEvent ()
17344 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17346 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17347 int newState = appData.showThinking
17348 // [HGM] thinking: other features now need thinking output as well
17349 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17351 if (oldState == newState) return;
17352 oldState = newState;
17353 if (gameMode == EditPosition) EditPositionDone(TRUE);
17355 SendToProgram("post\n", &first);
17356 if (gameMode == TwoMachinesPlay) {
17357 SendToProgram("post\n", &second);
17360 SendToProgram("nopost\n", &first);
17361 thinkOutput[0] = NULLCHAR;
17362 if (gameMode == TwoMachinesPlay) {
17363 SendToProgram("nopost\n", &second);
17366 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17370 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17372 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17373 if (pr == NoProc) return;
17374 AskQuestion(title, question, replyPrefix, pr);
17378 TypeInEvent (char firstChar)
17380 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17381 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17382 gameMode == AnalyzeMode || gameMode == EditGame ||
17383 gameMode == EditPosition || gameMode == IcsExamining ||
17384 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17385 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17386 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17387 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17388 gameMode == Training) PopUpMoveDialog(firstChar);
17392 TypeInDoneEvent (char *move)
17395 int n, fromX, fromY, toX, toY;
17397 ChessMove moveType;
17400 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17401 EditPositionPasteFEN(move);
17404 // [HGM] movenum: allow move number to be typed in any mode
17405 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17409 // undocumented kludge: allow command-line option to be typed in!
17410 // (potentially fatal, and does not implement the effect of the option.)
17411 // should only be used for options that are values on which future decisions will be made,
17412 // and definitely not on options that would be used during initialization.
17413 if(strstr(move, "!!! -") == move) {
17414 ParseArgsFromString(move+4);
17418 if (gameMode != EditGame && currentMove != forwardMostMove &&
17419 gameMode != Training) {
17420 DisplayMoveError(_("Displayed move is not current"));
17422 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17423 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17424 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17425 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17426 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17427 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17429 DisplayMoveError(_("Could not parse move"));
17435 DisplayMove (int moveNumber)
17437 char message[MSG_SIZ];
17439 char cpThinkOutput[MSG_SIZ];
17441 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17443 if (moveNumber == forwardMostMove - 1 ||
17444 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17446 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17448 if (strchr(cpThinkOutput, '\n')) {
17449 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17452 *cpThinkOutput = NULLCHAR;
17455 /* [AS] Hide thinking from human user */
17456 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17457 *cpThinkOutput = NULLCHAR;
17458 if( thinkOutput[0] != NULLCHAR ) {
17461 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17462 cpThinkOutput[i] = '.';
17464 cpThinkOutput[i] = NULLCHAR;
17465 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17469 if (moveNumber == forwardMostMove - 1 &&
17470 gameInfo.resultDetails != NULL) {
17471 if (gameInfo.resultDetails[0] == NULLCHAR) {
17472 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17474 snprintf(res, MSG_SIZ, " {%s} %s",
17475 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17481 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17482 DisplayMessage(res, cpThinkOutput);
17484 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17485 WhiteOnMove(moveNumber) ? " " : ".. ",
17486 parseList[moveNumber], res);
17487 DisplayMessage(message, cpThinkOutput);
17492 DisplayComment (int moveNumber, char *text)
17494 char title[MSG_SIZ];
17496 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17497 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17499 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17500 WhiteOnMove(moveNumber) ? " " : ".. ",
17501 parseList[moveNumber]);
17503 if (text != NULL && (appData.autoDisplayComment || commentUp))
17504 CommentPopUp(title, text);
17507 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17508 * might be busy thinking or pondering. It can be omitted if your
17509 * gnuchess is configured to stop thinking immediately on any user
17510 * input. However, that gnuchess feature depends on the FIONREAD
17511 * ioctl, which does not work properly on some flavors of Unix.
17514 Attention (ChessProgramState *cps)
17517 if (!cps->useSigint) return;
17518 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17519 switch (gameMode) {
17520 case MachinePlaysWhite:
17521 case MachinePlaysBlack:
17522 case TwoMachinesPlay:
17523 case IcsPlayingWhite:
17524 case IcsPlayingBlack:
17527 /* Skip if we know it isn't thinking */
17528 if (!cps->maybeThinking) return;
17529 if (appData.debugMode)
17530 fprintf(debugFP, "Interrupting %s\n", cps->which);
17531 InterruptChildProcess(cps->pr);
17532 cps->maybeThinking = FALSE;
17537 #endif /*ATTENTION*/
17543 if (whiteTimeRemaining <= 0) {
17546 if (appData.icsActive) {
17547 if (appData.autoCallFlag &&
17548 gameMode == IcsPlayingBlack && !blackFlag) {
17549 SendToICS(ics_prefix);
17550 SendToICS("flag\n");
17554 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17556 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17557 if (appData.autoCallFlag) {
17558 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17565 if (blackTimeRemaining <= 0) {
17568 if (appData.icsActive) {
17569 if (appData.autoCallFlag &&
17570 gameMode == IcsPlayingWhite && !whiteFlag) {
17571 SendToICS(ics_prefix);
17572 SendToICS("flag\n");
17576 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17578 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17579 if (appData.autoCallFlag) {
17580 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17591 CheckTimeControl ()
17593 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17594 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17597 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17599 if ( !WhiteOnMove(forwardMostMove) ) {
17600 /* White made time control */
17601 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17602 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17603 /* [HGM] time odds: correct new time quota for time odds! */
17604 / WhitePlayer()->timeOdds;
17605 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17607 lastBlack -= blackTimeRemaining;
17608 /* Black made time control */
17609 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17610 / WhitePlayer()->other->timeOdds;
17611 lastWhite = whiteTimeRemaining;
17616 DisplayBothClocks ()
17618 int wom = gameMode == EditPosition ?
17619 !blackPlaysFirst : WhiteOnMove(currentMove);
17620 DisplayWhiteClock(whiteTimeRemaining, wom);
17621 DisplayBlackClock(blackTimeRemaining, !wom);
17625 /* Timekeeping seems to be a portability nightmare. I think everyone
17626 has ftime(), but I'm really not sure, so I'm including some ifdefs
17627 to use other calls if you don't. Clocks will be less accurate if
17628 you have neither ftime nor gettimeofday.
17631 /* VS 2008 requires the #include outside of the function */
17632 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17633 #include <sys/timeb.h>
17636 /* Get the current time as a TimeMark */
17638 GetTimeMark (TimeMark *tm)
17640 #if HAVE_GETTIMEOFDAY
17642 struct timeval timeVal;
17643 struct timezone timeZone;
17645 gettimeofday(&timeVal, &timeZone);
17646 tm->sec = (long) timeVal.tv_sec;
17647 tm->ms = (int) (timeVal.tv_usec / 1000L);
17649 #else /*!HAVE_GETTIMEOFDAY*/
17652 // include <sys/timeb.h> / moved to just above start of function
17653 struct timeb timeB;
17656 tm->sec = (long) timeB.time;
17657 tm->ms = (int) timeB.millitm;
17659 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17660 tm->sec = (long) time(NULL);
17666 /* Return the difference in milliseconds between two
17667 time marks. We assume the difference will fit in a long!
17670 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17672 return 1000L*(tm2->sec - tm1->sec) +
17673 (long) (tm2->ms - tm1->ms);
17678 * Code to manage the game clocks.
17680 * In tournament play, black starts the clock and then white makes a move.
17681 * We give the human user a slight advantage if he is playing white---the
17682 * clocks don't run until he makes his first move, so it takes zero time.
17683 * Also, we don't account for network lag, so we could get out of sync
17684 * with GNU Chess's clock -- but then, referees are always right.
17687 static TimeMark tickStartTM;
17688 static long intendedTickLength;
17691 NextTickLength (long timeRemaining)
17693 long nominalTickLength, nextTickLength;
17695 if (timeRemaining > 0L && timeRemaining <= 10000L)
17696 nominalTickLength = 100L;
17698 nominalTickLength = 1000L;
17699 nextTickLength = timeRemaining % nominalTickLength;
17700 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17702 return nextTickLength;
17705 /* Adjust clock one minute up or down */
17707 AdjustClock (Boolean which, int dir)
17709 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17710 if(which) blackTimeRemaining += 60000*dir;
17711 else whiteTimeRemaining += 60000*dir;
17712 DisplayBothClocks();
17713 adjustedClock = TRUE;
17716 /* Stop clocks and reset to a fresh time control */
17720 (void) StopClockTimer();
17721 if (appData.icsActive) {
17722 whiteTimeRemaining = blackTimeRemaining = 0;
17723 } else if (searchTime) {
17724 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17725 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17726 } else { /* [HGM] correct new time quote for time odds */
17727 whiteTC = blackTC = fullTimeControlString;
17728 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17729 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17731 if (whiteFlag || blackFlag) {
17733 whiteFlag = blackFlag = FALSE;
17735 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17736 DisplayBothClocks();
17737 adjustedClock = FALSE;
17740 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17742 /* Decrement running clock by amount of time that has passed */
17746 long timeRemaining;
17747 long lastTickLength, fudge;
17750 if (!appData.clockMode) return;
17751 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17755 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17757 /* Fudge if we woke up a little too soon */
17758 fudge = intendedTickLength - lastTickLength;
17759 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17761 if (WhiteOnMove(forwardMostMove)) {
17762 if(whiteNPS >= 0) lastTickLength = 0;
17763 timeRemaining = whiteTimeRemaining -= lastTickLength;
17764 if(timeRemaining < 0 && !appData.icsActive) {
17765 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17766 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17767 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17768 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17771 DisplayWhiteClock(whiteTimeRemaining - fudge,
17772 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17774 if(blackNPS >= 0) lastTickLength = 0;
17775 timeRemaining = blackTimeRemaining -= lastTickLength;
17776 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17777 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17779 blackStartMove = forwardMostMove;
17780 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17783 DisplayBlackClock(blackTimeRemaining - fudge,
17784 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17786 if (CheckFlags()) return;
17788 if(twoBoards) { // count down secondary board's clocks as well
17789 activePartnerTime -= lastTickLength;
17791 if(activePartner == 'W')
17792 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17794 DisplayBlackClock(activePartnerTime, TRUE);
17799 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17800 StartClockTimer(intendedTickLength);
17802 /* if the time remaining has fallen below the alarm threshold, sound the
17803 * alarm. if the alarm has sounded and (due to a takeback or time control
17804 * with increment) the time remaining has increased to a level above the
17805 * threshold, reset the alarm so it can sound again.
17808 if (appData.icsActive && appData.icsAlarm) {
17810 /* make sure we are dealing with the user's clock */
17811 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17812 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17815 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17816 alarmSounded = FALSE;
17817 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17819 alarmSounded = TRUE;
17825 /* A player has just moved, so stop the previously running
17826 clock and (if in clock mode) start the other one.
17827 We redisplay both clocks in case we're in ICS mode, because
17828 ICS gives us an update to both clocks after every move.
17829 Note that this routine is called *after* forwardMostMove
17830 is updated, so the last fractional tick must be subtracted
17831 from the color that is *not* on move now.
17834 SwitchClocks (int newMoveNr)
17836 long lastTickLength;
17838 int flagged = FALSE;
17842 if (StopClockTimer() && appData.clockMode) {
17843 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17844 if (!WhiteOnMove(forwardMostMove)) {
17845 if(blackNPS >= 0) lastTickLength = 0;
17846 blackTimeRemaining -= lastTickLength;
17847 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17848 // if(pvInfoList[forwardMostMove].time == -1)
17849 pvInfoList[forwardMostMove].time = // use GUI time
17850 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17852 if(whiteNPS >= 0) lastTickLength = 0;
17853 whiteTimeRemaining -= lastTickLength;
17854 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17855 // if(pvInfoList[forwardMostMove].time == -1)
17856 pvInfoList[forwardMostMove].time =
17857 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17859 flagged = CheckFlags();
17861 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17862 CheckTimeControl();
17864 if (flagged || !appData.clockMode) return;
17866 switch (gameMode) {
17867 case MachinePlaysBlack:
17868 case MachinePlaysWhite:
17869 case BeginningOfGame:
17870 if (pausing) return;
17874 case PlayFromGameFile:
17882 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17883 if(WhiteOnMove(forwardMostMove))
17884 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17885 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17889 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17890 whiteTimeRemaining : blackTimeRemaining);
17891 StartClockTimer(intendedTickLength);
17895 /* Stop both clocks */
17899 long lastTickLength;
17902 if (!StopClockTimer()) return;
17903 if (!appData.clockMode) return;
17907 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17908 if (WhiteOnMove(forwardMostMove)) {
17909 if(whiteNPS >= 0) lastTickLength = 0;
17910 whiteTimeRemaining -= lastTickLength;
17911 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17913 if(blackNPS >= 0) lastTickLength = 0;
17914 blackTimeRemaining -= lastTickLength;
17915 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17920 /* Start clock of player on move. Time may have been reset, so
17921 if clock is already running, stop and restart it. */
17925 (void) StopClockTimer(); /* in case it was running already */
17926 DisplayBothClocks();
17927 if (CheckFlags()) return;
17929 if (!appData.clockMode) return;
17930 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17932 GetTimeMark(&tickStartTM);
17933 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17934 whiteTimeRemaining : blackTimeRemaining);
17936 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17937 whiteNPS = blackNPS = -1;
17938 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17939 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17940 whiteNPS = first.nps;
17941 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17942 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17943 blackNPS = first.nps;
17944 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17945 whiteNPS = second.nps;
17946 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17947 blackNPS = second.nps;
17948 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17950 StartClockTimer(intendedTickLength);
17954 TimeString (long ms)
17956 long second, minute, hour, day;
17958 static char buf[32];
17960 if (ms > 0 && ms <= 9900) {
17961 /* convert milliseconds to tenths, rounding up */
17962 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17964 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17968 /* convert milliseconds to seconds, rounding up */
17969 /* use floating point to avoid strangeness of integer division
17970 with negative dividends on many machines */
17971 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17978 day = second / (60 * 60 * 24);
17979 second = second % (60 * 60 * 24);
17980 hour = second / (60 * 60);
17981 second = second % (60 * 60);
17982 minute = second / 60;
17983 second = second % 60;
17986 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17987 sign, day, hour, minute, second);
17989 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17991 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17998 * This is necessary because some C libraries aren't ANSI C compliant yet.
18001 StrStr (char *string, char *match)
18005 length = strlen(match);
18007 for (i = strlen(string) - length; i >= 0; i--, string++)
18008 if (!strncmp(match, string, length))
18015 StrCaseStr (char *string, char *match)
18019 length = strlen(match);
18021 for (i = strlen(string) - length; i >= 0; i--, string++) {
18022 for (j = 0; j < length; j++) {
18023 if (ToLower(match[j]) != ToLower(string[j]))
18026 if (j == length) return string;
18034 StrCaseCmp (char *s1, char *s2)
18039 c1 = ToLower(*s1++);
18040 c2 = ToLower(*s2++);
18041 if (c1 > c2) return 1;
18042 if (c1 < c2) return -1;
18043 if (c1 == NULLCHAR) return 0;
18051 return isupper(c) ? tolower(c) : c;
18058 return islower(c) ? toupper(c) : c;
18060 #endif /* !_amigados */
18067 if ((ret = (char *) malloc(strlen(s) + 1)))
18069 safeStrCpy(ret, s, strlen(s)+1);
18075 StrSavePtr (char *s, char **savePtr)
18080 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18081 safeStrCpy(*savePtr, s, strlen(s)+1);
18093 clock = time((time_t *)NULL);
18094 tm = localtime(&clock);
18095 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18096 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18097 return StrSave(buf);
18102 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18104 int i, j, fromX, fromY, toX, toY;
18105 int whiteToPlay, haveRights = nrCastlingRights;
18111 whiteToPlay = (gameMode == EditPosition) ?
18112 !blackPlaysFirst : (move % 2 == 0);
18115 /* Piece placement data */
18116 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18117 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18119 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18120 if (boards[move][i][j] == EmptySquare) {
18122 } else { ChessSquare piece = boards[move][i][j];
18123 if (emptycount > 0) {
18124 if(emptycount<10) /* [HGM] can be >= 10 */
18125 *p++ = '0' + emptycount;
18126 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18129 if(PieceToChar(piece) == '+') {
18130 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18132 piece = (ChessSquare)(CHUDEMOTED(piece));
18134 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18135 if(*p = PieceSuffix(piece)) p++;
18137 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18138 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18143 if (emptycount > 0) {
18144 if(emptycount<10) /* [HGM] can be >= 10 */
18145 *p++ = '0' + emptycount;
18146 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18153 /* [HGM] print Crazyhouse or Shogi holdings */
18154 if( gameInfo.holdingsWidth ) {
18155 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18157 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18158 piece = boards[move][i][BOARD_WIDTH-1];
18159 if( piece != EmptySquare )
18160 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18161 *p++ = PieceToChar(piece);
18163 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18164 piece = boards[move][BOARD_HEIGHT-i-1][0];
18165 if( piece != EmptySquare )
18166 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18167 *p++ = PieceToChar(piece);
18170 if( q == p ) *p++ = '-';
18176 *p++ = whiteToPlay ? 'w' : 'b';
18179 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18180 haveRights = 0; q = p;
18181 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18182 piece = boards[move][0][i];
18183 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18184 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18187 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18188 piece = boards[move][BOARD_HEIGHT-1][i];
18189 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18190 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18193 if(p == q) *p++ = '-';
18197 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18198 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18201 int handW=0, handB=0;
18202 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18203 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18204 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18207 if(appData.fischerCastling) {
18208 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18209 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18210 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18212 /* [HGM] write directly from rights */
18213 if(boards[move][CASTLING][2] != NoRights &&
18214 boards[move][CASTLING][0] != NoRights )
18215 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18216 if(boards[move][CASTLING][2] != NoRights &&
18217 boards[move][CASTLING][1] != NoRights )
18218 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18221 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18222 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18224 if(boards[move][CASTLING][5] != NoRights &&
18225 boards[move][CASTLING][3] != NoRights )
18226 *p++ = boards[move][CASTLING][3] + AAA;
18227 if(boards[move][CASTLING][5] != NoRights &&
18228 boards[move][CASTLING][4] != NoRights )
18229 *p++ = boards[move][CASTLING][4] + AAA;
18233 /* [HGM] write true castling rights */
18234 if( nrCastlingRights == 6 ) {
18236 if(boards[move][CASTLING][0] != NoRights &&
18237 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18238 q = (boards[move][CASTLING][1] != NoRights &&
18239 boards[move][CASTLING][2] != NoRights );
18240 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18241 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18242 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18243 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18247 if(boards[move][CASTLING][3] != NoRights &&
18248 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18249 q = (boards[move][CASTLING][4] != NoRights &&
18250 boards[move][CASTLING][5] != NoRights );
18252 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18253 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18254 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18259 if (q == p) *p++ = '-'; /* No castling rights */
18263 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18264 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18265 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18266 /* En passant target square */
18267 if (move > backwardMostMove) {
18268 fromX = moveList[move - 1][0] - AAA;
18269 fromY = moveList[move - 1][1] - ONE;
18270 toX = moveList[move - 1][2] - AAA;
18271 toY = moveList[move - 1][3] - ONE;
18272 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18273 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18274 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18276 /* 2-square pawn move just happened */
18278 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18282 } else if(move == backwardMostMove) {
18283 // [HGM] perhaps we should always do it like this, and forget the above?
18284 if((signed char)boards[move][EP_STATUS] >= 0) {
18285 *p++ = boards[move][EP_STATUS] + AAA;
18286 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18298 { int i = 0, j=move;
18300 /* [HGM] find reversible plies */
18301 if (appData.debugMode) { int k;
18302 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18303 for(k=backwardMostMove; k<=forwardMostMove; k++)
18304 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18308 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18309 if( j == backwardMostMove ) i += initialRulePlies;
18310 sprintf(p, "%d ", i);
18311 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18313 /* Fullmove number */
18314 sprintf(p, "%d", (move / 2) + 1);
18315 } else *--p = NULLCHAR;
18317 return StrSave(buf);
18321 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18323 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18325 int emptycount, virgin[BOARD_FILES];
18326 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18330 /* Piece placement data */
18331 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18334 if (*p == '/' || *p == ' ' || *p == '[' ) {
18336 emptycount = gameInfo.boardWidth - j;
18337 while (emptycount--)
18338 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18339 if (*p == '/') p++;
18340 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18341 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18342 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18344 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18347 #if(BOARD_FILES >= 10)*0
18348 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18349 p++; emptycount=10;
18350 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18351 while (emptycount--)
18352 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18354 } else if (*p == '*') {
18355 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18356 } else if (isdigit(*p)) {
18357 emptycount = *p++ - '0';
18358 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18359 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18360 while (emptycount--)
18361 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18362 } else if (*p == '<') {
18363 if(i == BOARD_HEIGHT-1) shuffle = 1;
18364 else if (i != 0 || !shuffle) return FALSE;
18366 } else if (shuffle && *p == '>') {
18367 p++; // for now ignore closing shuffle range, and assume rank-end
18368 } else if (*p == '?') {
18369 if (j >= gameInfo.boardWidth) return FALSE;
18370 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18371 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18372 } else if (*p == '+' || isalpha(*p)) {
18373 char *q, *s = SUFFIXES;
18374 if (j >= gameInfo.boardWidth) return FALSE;
18377 if(q = strchr(s, p[1])) p++;
18378 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18379 if(piece == EmptySquare) return FALSE; /* unknown piece */
18380 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18381 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18384 if(q = strchr(s, *p)) p++;
18385 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18388 if(piece==EmptySquare) return FALSE; /* unknown piece */
18389 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18390 piece = (ChessSquare) (PROMOTED(piece));
18391 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18394 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18395 if(piece == king) wKingRank = i;
18396 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18402 while (*p == '/' || *p == ' ') p++;
18404 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18406 /* [HGM] by default clear Crazyhouse holdings, if present */
18407 if(gameInfo.holdingsWidth) {
18408 for(i=0; i<BOARD_HEIGHT; i++) {
18409 board[i][0] = EmptySquare; /* black holdings */
18410 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18411 board[i][1] = (ChessSquare) 0; /* black counts */
18412 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18416 /* [HGM] look for Crazyhouse holdings here */
18417 while(*p==' ') p++;
18418 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18419 int swap=0, wcnt=0, bcnt=0;
18421 if(*p == '<') swap++, p++;
18422 if(*p == '-' ) p++; /* empty holdings */ else {
18423 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18424 /* if we would allow FEN reading to set board size, we would */
18425 /* have to add holdings and shift the board read so far here */
18426 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18428 if((int) piece >= (int) BlackPawn ) {
18429 i = (int)piece - (int)BlackPawn;
18430 i = PieceToNumber((ChessSquare)i);
18431 if( i >= gameInfo.holdingsSize ) return FALSE;
18432 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18433 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18436 i = (int)piece - (int)WhitePawn;
18437 i = PieceToNumber((ChessSquare)i);
18438 if( i >= gameInfo.holdingsSize ) return FALSE;
18439 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18440 board[i][BOARD_WIDTH-2]++; /* black holdings */
18444 if(subst) { // substitute back-rank question marks by holdings pieces
18445 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18446 int k, m, n = bcnt + 1;
18447 if(board[0][j] == ClearBoard) {
18448 if(!wcnt) return FALSE;
18450 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18451 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18452 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18456 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18457 if(!bcnt) return FALSE;
18458 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18459 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18460 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18461 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18472 if(subst) return FALSE; // substitution requested, but no holdings
18474 while(*p == ' ') p++;
18478 if(appData.colorNickNames) {
18479 if( c == appData.colorNickNames[0] ) c = 'w'; else
18480 if( c == appData.colorNickNames[1] ) c = 'b';
18484 *blackPlaysFirst = FALSE;
18487 *blackPlaysFirst = TRUE;
18493 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18494 /* return the extra info in global variiables */
18496 while(*p==' ') p++;
18498 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18499 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18500 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18503 /* set defaults in case FEN is incomplete */
18504 board[EP_STATUS] = EP_UNKNOWN;
18505 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18506 for(i=0; i<nrCastlingRights; i++ ) {
18507 board[CASTLING][i] =
18508 appData.fischerCastling ? NoRights : initialRights[i];
18509 } /* assume possible unless obviously impossible */
18510 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18511 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18512 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18513 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18514 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18515 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18516 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18517 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18520 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18523 while(isalpha(*p)) {
18524 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18525 if(islower(*p)) b |= 1 << (*p++ - 'a');
18529 board[TOUCHED_W] = ~w;
18530 board[TOUCHED_B] = ~b;
18531 while(*p == ' ') p++;
18535 if(nrCastlingRights) {
18537 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18538 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18539 /* castling indicator present, so default becomes no castlings */
18540 for(i=0; i<nrCastlingRights; i++ ) {
18541 board[CASTLING][i] = NoRights;
18544 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18545 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18546 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18547 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18548 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18550 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18551 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18552 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18554 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18555 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18556 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18557 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18558 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18559 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18562 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18563 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18564 board[CASTLING][2] = whiteKingFile;
18565 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18566 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18567 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18570 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18571 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18572 board[CASTLING][2] = whiteKingFile;
18573 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18574 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18575 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18578 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18579 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18580 board[CASTLING][5] = blackKingFile;
18581 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18582 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18583 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18586 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18587 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18588 board[CASTLING][5] = blackKingFile;
18589 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18590 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18591 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18594 default: /* FRC castlings */
18595 if(c >= 'a') { /* black rights */
18596 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18597 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18598 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18599 if(i == BOARD_RGHT) break;
18600 board[CASTLING][5] = i;
18602 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18603 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18605 board[CASTLING][3] = c;
18607 board[CASTLING][4] = c;
18608 } else { /* white rights */
18609 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18610 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18611 if(board[0][i] == WhiteKing) break;
18612 if(i == BOARD_RGHT) break;
18613 board[CASTLING][2] = i;
18614 c -= AAA - 'a' + 'A';
18615 if(board[0][c] >= WhiteKing) break;
18617 board[CASTLING][0] = c;
18619 board[CASTLING][1] = c;
18623 for(i=0; i<nrCastlingRights; i++)
18624 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18625 if(gameInfo.variant == VariantSChess)
18626 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18627 if(fischer && shuffle) appData.fischerCastling = TRUE;
18628 if (appData.debugMode) {
18629 fprintf(debugFP, "FEN castling rights:");
18630 for(i=0; i<nrCastlingRights; i++)
18631 fprintf(debugFP, " %d", board[CASTLING][i]);
18632 fprintf(debugFP, "\n");
18635 while(*p==' ') p++;
18638 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18640 /* read e.p. field in games that know e.p. capture */
18641 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18642 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18643 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18645 p++; board[EP_STATUS] = EP_NONE;
18647 char c = *p++ - AAA;
18649 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18650 if(*p >= '0' && *p <='9') p++;
18651 board[EP_STATUS] = c;
18656 if(sscanf(p, "%d", &i) == 1) {
18657 FENrulePlies = i; /* 50-move ply counter */
18658 /* (The move number is still ignored) */
18665 EditPositionPasteFEN (char *fen)
18668 Board initial_position;
18670 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18671 DisplayError(_("Bad FEN position in clipboard"), 0);
18674 int savedBlackPlaysFirst = blackPlaysFirst;
18675 EditPositionEvent();
18676 blackPlaysFirst = savedBlackPlaysFirst;
18677 CopyBoard(boards[0], initial_position);
18678 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18679 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18680 DisplayBothClocks();
18681 DrawPosition(FALSE, boards[currentMove]);
18686 static char cseq[12] = "\\ ";
18689 set_cont_sequence (char *new_seq)
18694 // handle bad attempts to set the sequence
18696 return 0; // acceptable error - no debug
18698 len = strlen(new_seq);
18699 ret = (len > 0) && (len < sizeof(cseq));
18701 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18702 else if (appData.debugMode)
18703 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18708 reformat a source message so words don't cross the width boundary. internal
18709 newlines are not removed. returns the wrapped size (no null character unless
18710 included in source message). If dest is NULL, only calculate the size required
18711 for the dest buffer. lp argument indicats line position upon entry, and it's
18712 passed back upon exit.
18715 wrap (char *dest, char *src, int count, int width, int *lp)
18717 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18719 cseq_len = strlen(cseq);
18720 old_line = line = *lp;
18721 ansi = len = clen = 0;
18723 for (i=0; i < count; i++)
18725 if (src[i] == '\033')
18728 // if we hit the width, back up
18729 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18731 // store i & len in case the word is too long
18732 old_i = i, old_len = len;
18734 // find the end of the last word
18735 while (i && src[i] != ' ' && src[i] != '\n')
18741 // word too long? restore i & len before splitting it
18742 if ((old_i-i+clen) >= width)
18749 if (i && src[i-1] == ' ')
18752 if (src[i] != ' ' && src[i] != '\n')
18759 // now append the newline and continuation sequence
18764 strncpy(dest+len, cseq, cseq_len);
18772 dest[len] = src[i];
18776 if (src[i] == '\n')
18781 if (dest && appData.debugMode)
18783 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18784 count, width, line, len, *lp);
18785 show_bytes(debugFP, src, count);
18786 fprintf(debugFP, "\ndest: ");
18787 show_bytes(debugFP, dest, len);
18788 fprintf(debugFP, "\n");
18790 *lp = dest ? line : old_line;
18795 // [HGM] vari: routines for shelving variations
18796 Boolean modeRestore = FALSE;
18799 PushInner (int firstMove, int lastMove)
18801 int i, j, nrMoves = lastMove - firstMove;
18803 // push current tail of game on stack
18804 savedResult[storedGames] = gameInfo.result;
18805 savedDetails[storedGames] = gameInfo.resultDetails;
18806 gameInfo.resultDetails = NULL;
18807 savedFirst[storedGames] = firstMove;
18808 savedLast [storedGames] = lastMove;
18809 savedFramePtr[storedGames] = framePtr;
18810 framePtr -= nrMoves; // reserve space for the boards
18811 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18812 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18813 for(j=0; j<MOVE_LEN; j++)
18814 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18815 for(j=0; j<2*MOVE_LEN; j++)
18816 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18817 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18818 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18819 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18820 pvInfoList[firstMove+i-1].depth = 0;
18821 commentList[framePtr+i] = commentList[firstMove+i];
18822 commentList[firstMove+i] = NULL;
18826 forwardMostMove = firstMove; // truncate game so we can start variation
18830 PushTail (int firstMove, int lastMove)
18832 if(appData.icsActive) { // only in local mode
18833 forwardMostMove = currentMove; // mimic old ICS behavior
18836 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18838 PushInner(firstMove, lastMove);
18839 if(storedGames == 1) GreyRevert(FALSE);
18840 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18844 PopInner (Boolean annotate)
18847 char buf[8000], moveBuf[20];
18849 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18850 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18851 nrMoves = savedLast[storedGames] - currentMove;
18854 if(!WhiteOnMove(currentMove))
18855 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18856 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18857 for(i=currentMove; i<forwardMostMove; i++) {
18859 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18860 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18861 strcat(buf, moveBuf);
18862 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18863 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18867 for(i=1; i<=nrMoves; i++) { // copy last variation back
18868 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18869 for(j=0; j<MOVE_LEN; j++)
18870 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18871 for(j=0; j<2*MOVE_LEN; j++)
18872 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18873 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18874 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18875 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18876 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18877 commentList[currentMove+i] = commentList[framePtr+i];
18878 commentList[framePtr+i] = NULL;
18880 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18881 framePtr = savedFramePtr[storedGames];
18882 gameInfo.result = savedResult[storedGames];
18883 if(gameInfo.resultDetails != NULL) {
18884 free(gameInfo.resultDetails);
18886 gameInfo.resultDetails = savedDetails[storedGames];
18887 forwardMostMove = currentMove + nrMoves;
18891 PopTail (Boolean annotate)
18893 if(appData.icsActive) return FALSE; // only in local mode
18894 if(!storedGames) return FALSE; // sanity
18895 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18897 PopInner(annotate);
18898 if(currentMove < forwardMostMove) ForwardEvent(); else
18899 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18901 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18907 { // remove all shelved variations
18909 for(i=0; i<storedGames; i++) {
18910 if(savedDetails[i])
18911 free(savedDetails[i]);
18912 savedDetails[i] = NULL;
18914 for(i=framePtr; i<MAX_MOVES; i++) {
18915 if(commentList[i]) free(commentList[i]);
18916 commentList[i] = NULL;
18918 framePtr = MAX_MOVES-1;
18923 LoadVariation (int index, char *text)
18924 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18925 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18926 int level = 0, move;
18928 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18929 // first find outermost bracketing variation
18930 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18931 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18932 if(*p == '{') wait = '}'; else
18933 if(*p == '[') wait = ']'; else
18934 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18935 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18937 if(*p == wait) wait = NULLCHAR; // closing ]} found
18940 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18941 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18942 end[1] = NULLCHAR; // clip off comment beyond variation
18943 ToNrEvent(currentMove-1);
18944 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18945 // kludge: use ParsePV() to append variation to game
18946 move = currentMove;
18947 ParsePV(start, TRUE, TRUE);
18948 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18949 ClearPremoveHighlights();
18951 ToNrEvent(currentMove+1);
18957 char *p, *q, buf[MSG_SIZ];
18958 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18959 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18960 ParseArgsFromString(buf);
18961 ActivateTheme(TRUE); // also redo colors
18965 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18968 q = appData.themeNames;
18969 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18970 if(appData.useBitmaps) {
18971 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18972 appData.liteBackTextureFile, appData.darkBackTextureFile,
18973 appData.liteBackTextureMode,
18974 appData.darkBackTextureMode );
18976 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18977 Col2Text(2), // lightSquareColor
18978 Col2Text(3) ); // darkSquareColor
18980 if(appData.useBorder) {
18981 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18984 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18986 if(appData.useFont) {
18987 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18988 appData.renderPiecesWithFont,
18989 appData.fontToPieceTable,
18990 Col2Text(9), // appData.fontBackColorWhite
18991 Col2Text(10) ); // appData.fontForeColorBlack
18993 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18994 appData.pieceDirectory);
18995 if(!appData.pieceDirectory[0])
18996 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18997 Col2Text(0), // whitePieceColor
18998 Col2Text(1) ); // blackPieceColor
19000 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19001 Col2Text(4), // highlightSquareColor
19002 Col2Text(5) ); // premoveHighlightColor
19003 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19004 if(insert != q) insert[-1] = NULLCHAR;
19005 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19008 ActivateTheme(FALSE);