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++;
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;
9727 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9728 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9729 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9732 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9735 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9736 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9737 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9738 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9739 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9740 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9744 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9745 DisplayError(_("failed writing PV"), 0);
9748 tempStats.depth = plylev;
9749 tempStats.nodes = nodes;
9750 tempStats.time = time;
9751 tempStats.score = curscore;
9752 tempStats.got_only_move = 0;
9754 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9757 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9758 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9759 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9760 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9761 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9762 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9763 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9764 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9767 /* Buffer overflow protection */
9768 if (pv[0] != NULLCHAR) {
9769 if (strlen(pv) >= sizeof(tempStats.movelist)
9770 && appData.debugMode) {
9772 "PV is too long; using the first %u bytes.\n",
9773 (unsigned) sizeof(tempStats.movelist) - 1);
9776 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9778 sprintf(tempStats.movelist, " no PV\n");
9781 if (tempStats.seen_stat) {
9782 tempStats.ok_to_send = 1;
9785 if (strchr(tempStats.movelist, '(') != NULL) {
9786 tempStats.line_is_book = 1;
9787 tempStats.nr_moves = 0;
9788 tempStats.moves_left = 0;
9790 tempStats.line_is_book = 0;
9793 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9794 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9796 SendProgramStatsToFrontend( cps, &tempStats );
9799 [AS] Protect the thinkOutput buffer from overflow... this
9800 is only useful if buf1 hasn't overflowed first!
9802 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9803 if(curscore >= MATE_SCORE)
9804 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9805 else if(curscore <= -MATE_SCORE)
9806 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9808 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9809 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9811 (gameMode == TwoMachinesPlay ?
9812 ToUpper(cps->twoMachinesColor[0]) : ' '),
9814 prefixHint ? lastHint : "",
9815 prefixHint ? " " : "" );
9817 if( buf1[0] != NULLCHAR ) {
9818 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9820 if( strlen(pv) > max_len ) {
9821 if( appData.debugMode) {
9822 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9824 pv[max_len+1] = '\0';
9827 strcat( thinkOutput, pv);
9830 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9831 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9832 DisplayMove(currentMove - 1);
9836 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9837 /* crafty (9.25+) says "(only move) <move>"
9838 * if there is only 1 legal move
9840 sscanf(p, "(only move) %s", buf1);
9841 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9842 sprintf(programStats.movelist, "%s (only move)", buf1);
9843 programStats.depth = 1;
9844 programStats.nr_moves = 1;
9845 programStats.moves_left = 1;
9846 programStats.nodes = 1;
9847 programStats.time = 1;
9848 programStats.got_only_move = 1;
9850 /* Not really, but we also use this member to
9851 mean "line isn't going to change" (Crafty
9852 isn't searching, so stats won't change) */
9853 programStats.line_is_book = 1;
9855 SendProgramStatsToFrontend( cps, &programStats );
9857 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9858 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9859 DisplayMove(currentMove - 1);
9862 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9863 &time, &nodes, &plylev, &mvleft,
9864 &mvtot, mvname) >= 5) {
9865 /* The stat01: line is from Crafty (9.29+) in response
9866 to the "." command */
9867 programStats.seen_stat = 1;
9868 cps->maybeThinking = TRUE;
9870 if (programStats.got_only_move || !appData.periodicUpdates)
9873 programStats.depth = plylev;
9874 programStats.time = time;
9875 programStats.nodes = nodes;
9876 programStats.moves_left = mvleft;
9877 programStats.nr_moves = mvtot;
9878 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9879 programStats.ok_to_send = 1;
9880 programStats.movelist[0] = '\0';
9882 SendProgramStatsToFrontend( cps, &programStats );
9886 } else if (strncmp(message,"++",2) == 0) {
9887 /* Crafty 9.29+ outputs this */
9888 programStats.got_fail = 2;
9891 } else if (strncmp(message,"--",2) == 0) {
9892 /* Crafty 9.29+ outputs this */
9893 programStats.got_fail = 1;
9896 } else if (thinkOutput[0] != NULLCHAR &&
9897 strncmp(message, " ", 4) == 0) {
9898 unsigned message_len;
9901 while (*p && *p == ' ') p++;
9903 message_len = strlen( p );
9905 /* [AS] Avoid buffer overflow */
9906 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9907 strcat(thinkOutput, " ");
9908 strcat(thinkOutput, p);
9911 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9912 strcat(programStats.movelist, " ");
9913 strcat(programStats.movelist, p);
9916 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9917 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9918 DisplayMove(currentMove - 1);
9926 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9927 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9929 ChessProgramStats cpstats;
9931 if (plyext != ' ' && plyext != '\t') {
9935 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9936 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9937 curscore = -curscore;
9940 cpstats.depth = plylev;
9941 cpstats.nodes = nodes;
9942 cpstats.time = time;
9943 cpstats.score = curscore;
9944 cpstats.got_only_move = 0;
9945 cpstats.movelist[0] = '\0';
9947 if (buf1[0] != NULLCHAR) {
9948 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9951 cpstats.ok_to_send = 0;
9952 cpstats.line_is_book = 0;
9953 cpstats.nr_moves = 0;
9954 cpstats.moves_left = 0;
9956 SendProgramStatsToFrontend( cps, &cpstats );
9963 /* Parse a game score from the character string "game", and
9964 record it as the history of the current game. The game
9965 score is NOT assumed to start from the standard position.
9966 The display is not updated in any way.
9969 ParseGameHistory (char *game)
9972 int fromX, fromY, toX, toY, boardIndex;
9977 if (appData.debugMode)
9978 fprintf(debugFP, "Parsing game history: %s\n", game);
9980 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9981 gameInfo.site = StrSave(appData.icsHost);
9982 gameInfo.date = PGNDate();
9983 gameInfo.round = StrSave("-");
9985 /* Parse out names of players */
9986 while (*game == ' ') game++;
9988 while (*game != ' ') *p++ = *game++;
9990 gameInfo.white = StrSave(buf);
9991 while (*game == ' ') game++;
9993 while (*game != ' ' && *game != '\n') *p++ = *game++;
9995 gameInfo.black = StrSave(buf);
9998 boardIndex = blackPlaysFirst ? 1 : 0;
10001 yyboardindex = boardIndex;
10002 moveType = (ChessMove) Myylex();
10003 switch (moveType) {
10004 case IllegalMove: /* maybe suicide chess, etc. */
10005 if (appData.debugMode) {
10006 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10007 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10008 setbuf(debugFP, NULL);
10010 case WhitePromotion:
10011 case BlackPromotion:
10012 case WhiteNonPromotion:
10013 case BlackNonPromotion:
10016 case WhiteCapturesEnPassant:
10017 case BlackCapturesEnPassant:
10018 case WhiteKingSideCastle:
10019 case WhiteQueenSideCastle:
10020 case BlackKingSideCastle:
10021 case BlackQueenSideCastle:
10022 case WhiteKingSideCastleWild:
10023 case WhiteQueenSideCastleWild:
10024 case BlackKingSideCastleWild:
10025 case BlackQueenSideCastleWild:
10027 case WhiteHSideCastleFR:
10028 case WhiteASideCastleFR:
10029 case BlackHSideCastleFR:
10030 case BlackASideCastleFR:
10032 fromX = currentMoveString[0] - AAA;
10033 fromY = currentMoveString[1] - ONE;
10034 toX = currentMoveString[2] - AAA;
10035 toY = currentMoveString[3] - ONE;
10036 promoChar = currentMoveString[4];
10040 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10041 fromX = moveType == WhiteDrop ?
10042 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10043 (int) CharToPiece(ToLower(currentMoveString[0]));
10045 toX = currentMoveString[2] - AAA;
10046 toY = currentMoveString[3] - ONE;
10047 promoChar = NULLCHAR;
10049 case AmbiguousMove:
10051 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10052 if (appData.debugMode) {
10053 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10054 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10055 setbuf(debugFP, NULL);
10057 DisplayError(buf, 0);
10059 case ImpossibleMove:
10061 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10062 if (appData.debugMode) {
10063 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10064 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10065 setbuf(debugFP, NULL);
10067 DisplayError(buf, 0);
10070 if (boardIndex < backwardMostMove) {
10071 /* Oops, gap. How did that happen? */
10072 DisplayError(_("Gap in move list"), 0);
10075 backwardMostMove = blackPlaysFirst ? 1 : 0;
10076 if (boardIndex > forwardMostMove) {
10077 forwardMostMove = boardIndex;
10081 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10082 strcat(parseList[boardIndex-1], " ");
10083 strcat(parseList[boardIndex-1], yy_text);
10095 case GameUnfinished:
10096 if (gameMode == IcsExamining) {
10097 if (boardIndex < backwardMostMove) {
10098 /* Oops, gap. How did that happen? */
10101 backwardMostMove = blackPlaysFirst ? 1 : 0;
10104 gameInfo.result = moveType;
10105 p = strchr(yy_text, '{');
10106 if (p == NULL) p = strchr(yy_text, '(');
10109 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10111 q = strchr(p, *p == '{' ? '}' : ')');
10112 if (q != NULL) *q = NULLCHAR;
10115 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10116 gameInfo.resultDetails = StrSave(p);
10119 if (boardIndex >= forwardMostMove &&
10120 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10121 backwardMostMove = blackPlaysFirst ? 1 : 0;
10124 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10125 fromY, fromX, toY, toX, promoChar,
10126 parseList[boardIndex]);
10127 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10128 /* currentMoveString is set as a side-effect of yylex */
10129 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10130 strcat(moveList[boardIndex], "\n");
10132 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10133 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10139 if(!IS_SHOGI(gameInfo.variant))
10140 strcat(parseList[boardIndex - 1], "+");
10144 strcat(parseList[boardIndex - 1], "#");
10151 /* Apply a move to the given board */
10153 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10155 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10156 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10158 /* [HGM] compute & store e.p. status and castling rights for new position */
10159 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10161 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10162 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10163 board[EP_STATUS] = EP_NONE;
10164 board[EP_FILE] = board[EP_RANK] = 100;
10166 if (fromY == DROP_RANK) {
10167 /* must be first */
10168 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10169 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10172 piece = board[toY][toX] = (ChessSquare) fromX;
10174 // ChessSquare victim;
10177 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10178 // victim = board[killY][killX],
10179 killed = board[killY][killX],
10180 board[killY][killX] = EmptySquare,
10181 board[EP_STATUS] = EP_CAPTURE;
10182 if( kill2X >= 0 && kill2Y >= 0)
10183 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10186 if( board[toY][toX] != EmptySquare ) {
10187 board[EP_STATUS] = EP_CAPTURE;
10188 if( (fromX != toX || fromY != toY) && // not igui!
10189 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10190 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10191 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10195 pawn = board[fromY][fromX];
10196 if( pawn == WhiteLance || pawn == BlackLance ) {
10197 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10198 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10199 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10202 if( pawn == WhitePawn ) {
10203 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10204 board[EP_STATUS] = EP_PAWN_MOVE;
10205 if( toY-fromY>=2) {
10206 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10207 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10208 gameInfo.variant != VariantBerolina || toX < fromX)
10209 board[EP_STATUS] = toX | berolina;
10210 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10211 gameInfo.variant != VariantBerolina || toX > fromX)
10212 board[EP_STATUS] = toX;
10215 if( pawn == BlackPawn ) {
10216 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10217 board[EP_STATUS] = EP_PAWN_MOVE;
10218 if( toY-fromY<= -2) {
10219 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10220 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10221 gameInfo.variant != VariantBerolina || toX < fromX)
10222 board[EP_STATUS] = toX | berolina;
10223 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10224 gameInfo.variant != VariantBerolina || toX > fromX)
10225 board[EP_STATUS] = toX;
10229 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10230 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10231 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10232 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10234 for(i=0; i<nrCastlingRights; i++) {
10235 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10236 board[CASTLING][i] == toX && castlingRank[i] == toY
10237 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10240 if(gameInfo.variant == VariantSChess) { // update virginity
10241 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10242 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10243 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10244 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10247 if (fromX == toX && fromY == toY && killX < 0) return;
10249 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10250 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10251 if(gameInfo.variant == VariantKnightmate)
10252 king += (int) WhiteUnicorn - (int) WhiteKing;
10254 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10255 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10256 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10257 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10258 board[EP_STATUS] = EP_NONE; // capture was fake!
10260 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10261 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10262 board[toY][toX] = piece;
10263 board[EP_STATUS] = EP_NONE; // capture was fake!
10265 /* Code added by Tord: */
10266 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10267 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10268 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10269 board[EP_STATUS] = EP_NONE; // capture was fake!
10270 board[fromY][fromX] = EmptySquare;
10271 board[toY][toX] = EmptySquare;
10272 if((toX > fromX) != (piece == WhiteRook)) {
10273 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10275 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10277 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10278 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10279 board[EP_STATUS] = EP_NONE;
10280 board[fromY][fromX] = EmptySquare;
10281 board[toY][toX] = EmptySquare;
10282 if((toX > fromX) != (piece == BlackRook)) {
10283 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10285 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10287 /* End of code added by Tord */
10289 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10290 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10291 board[toY][toX] = piece;
10292 } else if (board[fromY][fromX] == king
10293 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10294 && toY == fromY && toX > fromX+1) {
10295 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10296 board[fromY][toX-1] = board[fromY][rookX];
10297 board[fromY][rookX] = EmptySquare;
10298 board[fromY][fromX] = EmptySquare;
10299 board[toY][toX] = king;
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 > 0; 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] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10309 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10310 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10312 /* white pawn promotion */
10313 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10314 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10315 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10316 board[fromY][fromX] = EmptySquare;
10317 } else if ((fromY >= BOARD_HEIGHT>>1)
10318 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10320 && gameInfo.variant != VariantXiangqi
10321 && gameInfo.variant != VariantBerolina
10322 && (pawn == WhitePawn)
10323 && (board[toY][toX] == EmptySquare)) {
10324 board[fromY][fromX] = EmptySquare;
10325 board[toY][toX] = piece;
10326 if(toY == epRank - 128 + 1)
10327 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10329 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10330 } else if ((fromY == BOARD_HEIGHT-4)
10332 && gameInfo.variant == VariantBerolina
10333 && (board[fromY][fromX] == WhitePawn)
10334 && (board[toY][toX] == EmptySquare)) {
10335 board[fromY][fromX] = EmptySquare;
10336 board[toY][toX] = WhitePawn;
10337 if(oldEP & EP_BEROLIN_A) {
10338 captured = board[fromY][fromX-1];
10339 board[fromY][fromX-1] = EmptySquare;
10340 }else{ captured = board[fromY][fromX+1];
10341 board[fromY][fromX+1] = EmptySquare;
10343 } else if (board[fromY][fromX] == king
10344 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10345 && toY == fromY && toX > fromX+1) {
10346 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10347 board[fromY][toX-1] = board[fromY][rookX];
10348 board[fromY][rookX] = EmptySquare;
10349 board[fromY][fromX] = EmptySquare;
10350 board[toY][toX] = king;
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 > 0; 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 (fromY == 7 && fromX == 3
10360 && board[fromY][fromX] == BlackKing
10361 && toY == 7 && toX == 5) {
10362 board[fromY][fromX] = EmptySquare;
10363 board[toY][toX] = BlackKing;
10364 board[fromY][7] = EmptySquare;
10365 board[toY][4] = BlackRook;
10366 } else if (fromY == 7 && fromX == 3
10367 && board[fromY][fromX] == BlackKing
10368 && toY == 7 && toX == 1) {
10369 board[fromY][fromX] = EmptySquare;
10370 board[toY][toX] = BlackKing;
10371 board[fromY][0] = EmptySquare;
10372 board[toY][2] = BlackRook;
10373 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10374 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10375 && toY < promoRank && promoChar
10377 /* black pawn promotion */
10378 board[toY][toX] = CharToPiece(ToLower(promoChar));
10379 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10380 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10381 board[fromY][fromX] = EmptySquare;
10382 } else if ((fromY < BOARD_HEIGHT>>1)
10383 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10385 && gameInfo.variant != VariantXiangqi
10386 && gameInfo.variant != VariantBerolina
10387 && (pawn == BlackPawn)
10388 && (board[toY][toX] == EmptySquare)) {
10389 board[fromY][fromX] = EmptySquare;
10390 board[toY][toX] = piece;
10391 if(toY == epRank - 128 - 1)
10392 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10394 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10395 } else if ((fromY == 3)
10397 && gameInfo.variant == VariantBerolina
10398 && (board[fromY][fromX] == BlackPawn)
10399 && (board[toY][toX] == EmptySquare)) {
10400 board[fromY][fromX] = EmptySquare;
10401 board[toY][toX] = BlackPawn;
10402 if(oldEP & EP_BEROLIN_A) {
10403 captured = board[fromY][fromX-1];
10404 board[fromY][fromX-1] = EmptySquare;
10405 }else{ captured = board[fromY][fromX+1];
10406 board[fromY][fromX+1] = EmptySquare;
10409 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10410 board[fromY][fromX] = EmptySquare;
10411 board[toY][toX] = piece;
10415 if (gameInfo.holdingsWidth != 0) {
10417 /* !!A lot more code needs to be written to support holdings */
10418 /* [HGM] OK, so I have written it. Holdings are stored in the */
10419 /* penultimate board files, so they are automaticlly stored */
10420 /* in the game history. */
10421 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10422 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10423 /* Delete from holdings, by decreasing count */
10424 /* and erasing image if necessary */
10425 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10426 if(p < (int) BlackPawn) { /* white drop */
10427 p -= (int)WhitePawn;
10428 p = PieceToNumber((ChessSquare)p);
10429 if(p >= gameInfo.holdingsSize) p = 0;
10430 if(--board[p][BOARD_WIDTH-2] <= 0)
10431 board[p][BOARD_WIDTH-1] = EmptySquare;
10432 if((int)board[p][BOARD_WIDTH-2] < 0)
10433 board[p][BOARD_WIDTH-2] = 0;
10434 } else { /* black drop */
10435 p -= (int)BlackPawn;
10436 p = PieceToNumber((ChessSquare)p);
10437 if(p >= gameInfo.holdingsSize) p = 0;
10438 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10439 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10440 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10441 board[BOARD_HEIGHT-1-p][1] = 0;
10444 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10445 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10446 /* [HGM] holdings: Add to holdings, if holdings exist */
10447 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10448 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10449 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10451 p = (int) captured;
10452 if (p >= (int) BlackPawn) {
10453 p -= (int)BlackPawn;
10454 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10455 /* Restore shogi-promoted piece to its original first */
10456 captured = (ChessSquare) (DEMOTED(captured));
10459 p = PieceToNumber((ChessSquare)p);
10460 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10461 board[p][BOARD_WIDTH-2]++;
10462 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10464 p -= (int)WhitePawn;
10465 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10466 captured = (ChessSquare) (DEMOTED(captured));
10469 p = PieceToNumber((ChessSquare)p);
10470 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10471 board[BOARD_HEIGHT-1-p][1]++;
10472 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10475 } else if (gameInfo.variant == VariantAtomic) {
10476 if (captured != EmptySquare) {
10478 for (y = toY-1; y <= toY+1; y++) {
10479 for (x = toX-1; x <= toX+1; x++) {
10480 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10481 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10482 board[y][x] = EmptySquare;
10486 board[toY][toX] = EmptySquare;
10490 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10491 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10493 if(promoChar == '+') {
10494 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10495 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10496 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10497 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10498 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10499 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10500 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10501 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10502 board[toY][toX] = newPiece;
10504 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10505 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10506 // [HGM] superchess: take promotion piece out of holdings
10507 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10508 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10509 if(!--board[k][BOARD_WIDTH-2])
10510 board[k][BOARD_WIDTH-1] = EmptySquare;
10512 if(!--board[BOARD_HEIGHT-1-k][1])
10513 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10518 /* Updates forwardMostMove */
10520 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10522 int x = toX, y = toY;
10523 char *s = parseList[forwardMostMove];
10524 ChessSquare p = boards[forwardMostMove][toY][toX];
10525 // forwardMostMove++; // [HGM] bare: moved downstream
10527 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10528 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10529 (void) CoordsToAlgebraic(boards[forwardMostMove],
10530 PosFlags(forwardMostMove),
10531 fromY, fromX, y, x, (killX < 0)*promoChar,
10533 if(kill2X >= 0 && kill2Y >= 0)
10534 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10535 if(killX >= 0 && killY >= 0)
10536 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10537 toX + AAA, toY + ONE - '0', promoChar);
10539 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10540 int timeLeft; static int lastLoadFlag=0; int king, piece;
10541 piece = boards[forwardMostMove][fromY][fromX];
10542 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10543 if(gameInfo.variant == VariantKnightmate)
10544 king += (int) WhiteUnicorn - (int) WhiteKing;
10545 if(forwardMostMove == 0) {
10546 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10547 fprintf(serverMoves, "%s;", UserName());
10548 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10549 fprintf(serverMoves, "%s;", second.tidy);
10550 fprintf(serverMoves, "%s;", first.tidy);
10551 if(gameMode == MachinePlaysWhite)
10552 fprintf(serverMoves, "%s;", UserName());
10553 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10554 fprintf(serverMoves, "%s;", second.tidy);
10555 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10556 lastLoadFlag = loadFlag;
10558 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10559 // print castling suffix
10560 if( toY == fromY && piece == king ) {
10562 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10564 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10567 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10568 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10569 boards[forwardMostMove][toY][toX] == EmptySquare
10570 && fromX != toX && fromY != toY)
10571 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10572 // promotion suffix
10573 if(promoChar != NULLCHAR) {
10574 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10575 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10576 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10577 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10580 char buf[MOVE_LEN*2], *p; int len;
10581 fprintf(serverMoves, "/%d/%d",
10582 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10583 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10584 else timeLeft = blackTimeRemaining/1000;
10585 fprintf(serverMoves, "/%d", timeLeft);
10586 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10587 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10588 if(p = strchr(buf, '=')) *p = NULLCHAR;
10589 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10590 fprintf(serverMoves, "/%s", buf);
10592 fflush(serverMoves);
10595 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10596 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10599 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10600 if (commentList[forwardMostMove+1] != NULL) {
10601 free(commentList[forwardMostMove+1]);
10602 commentList[forwardMostMove+1] = NULL;
10604 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10605 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10606 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10607 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10608 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10609 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10610 adjustedClock = FALSE;
10611 gameInfo.result = GameUnfinished;
10612 if (gameInfo.resultDetails != NULL) {
10613 free(gameInfo.resultDetails);
10614 gameInfo.resultDetails = NULL;
10616 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10617 moveList[forwardMostMove - 1]);
10618 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10624 if(!IS_SHOGI(gameInfo.variant))
10625 strcat(parseList[forwardMostMove - 1], "+");
10629 strcat(parseList[forwardMostMove - 1], "#");
10634 /* Updates currentMove if not pausing */
10636 ShowMove (int fromX, int fromY, int toX, int toY)
10638 int instant = (gameMode == PlayFromGameFile) ?
10639 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10640 if(appData.noGUI) return;
10641 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10643 if (forwardMostMove == currentMove + 1) {
10644 AnimateMove(boards[forwardMostMove - 1],
10645 fromX, fromY, toX, toY);
10648 currentMove = forwardMostMove;
10651 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10653 if (instant) return;
10655 DisplayMove(currentMove - 1);
10656 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10657 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10658 SetHighlights(fromX, fromY, toX, toY);
10661 DrawPosition(FALSE, boards[currentMove]);
10662 DisplayBothClocks();
10663 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10667 SendEgtPath (ChessProgramState *cps)
10668 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10669 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10671 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10674 char c, *q = name+1, *r, *s;
10676 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10677 while(*p && *p != ',') *q++ = *p++;
10678 *q++ = ':'; *q = 0;
10679 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10680 strcmp(name, ",nalimov:") == 0 ) {
10681 // take nalimov path from the menu-changeable option first, if it is defined
10682 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10683 SendToProgram(buf,cps); // send egtbpath command for nalimov
10685 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10686 (s = StrStr(appData.egtFormats, name)) != NULL) {
10687 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10688 s = r = StrStr(s, ":") + 1; // beginning of path info
10689 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10690 c = *r; *r = 0; // temporarily null-terminate path info
10691 *--q = 0; // strip of trailig ':' from name
10692 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10694 SendToProgram(buf,cps); // send egtbpath command for this format
10696 if(*p == ',') p++; // read away comma to position for next format name
10701 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10703 int width = 8, height = 8, holdings = 0; // most common sizes
10704 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10705 // correct the deviations default for each variant
10706 if( v == VariantXiangqi ) width = 9, height = 10;
10707 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10708 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10709 if( v == VariantCapablanca || v == VariantCapaRandom ||
10710 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10712 if( v == VariantCourier ) width = 12;
10713 if( v == VariantSuper ) holdings = 8;
10714 if( v == VariantGreat ) width = 10, holdings = 8;
10715 if( v == VariantSChess ) holdings = 7;
10716 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10717 if( v == VariantChuChess) width = 10, height = 10;
10718 if( v == VariantChu ) width = 12, height = 12;
10719 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10720 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10721 holdingsSize >= 0 && holdingsSize != holdings;
10724 char variantError[MSG_SIZ];
10727 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10728 { // returns error message (recognizable by upper-case) if engine does not support the variant
10729 char *p, *variant = VariantName(v);
10730 static char b[MSG_SIZ];
10731 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10732 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10733 holdingsSize, variant); // cook up sized variant name
10734 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10735 if(StrStr(list, b) == NULL) {
10736 // specific sized variant not known, check if general sizing allowed
10737 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10738 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10739 boardWidth, boardHeight, holdingsSize, engine);
10742 /* [HGM] here we really should compare with the maximum supported board size */
10744 } else snprintf(b, MSG_SIZ,"%s", variant);
10745 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10746 p = StrStr(list, b);
10747 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10749 // occurs not at all in list, or only as sub-string
10750 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10751 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10752 int l = strlen(variantError);
10754 while(p != list && p[-1] != ',') p--;
10755 q = strchr(p, ',');
10756 if(q) *q = NULLCHAR;
10757 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10766 InitChessProgram (ChessProgramState *cps, int setup)
10767 /* setup needed to setup FRC opening position */
10769 char buf[MSG_SIZ], *b;
10770 if (appData.noChessProgram) return;
10771 hintRequested = FALSE;
10772 bookRequested = FALSE;
10774 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10775 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10776 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10777 if(cps->memSize) { /* [HGM] memory */
10778 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10779 SendToProgram(buf, cps);
10781 SendEgtPath(cps); /* [HGM] EGT */
10782 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10783 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10784 SendToProgram(buf, cps);
10787 setboardSpoiledMachineBlack = FALSE;
10788 SendToProgram(cps->initString, cps);
10789 if (gameInfo.variant != VariantNormal &&
10790 gameInfo.variant != VariantLoadable
10791 /* [HGM] also send variant if board size non-standard */
10792 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10794 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10795 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10799 char c, *q = cps->variants, *p = strchr(q, ',');
10800 if(p) *p = NULLCHAR;
10801 v = StringToVariant(q);
10802 DisplayError(variantError, 0);
10803 if(v != VariantUnknown && cps == &first) {
10805 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10806 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10807 ASSIGN(appData.variant, q);
10808 Reset(TRUE, FALSE);
10814 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10815 SendToProgram(buf, cps);
10817 currentlyInitializedVariant = gameInfo.variant;
10819 /* [HGM] send opening position in FRC to first engine */
10821 SendToProgram("force\n", cps);
10823 /* engine is now in force mode! Set flag to wake it up after first move. */
10824 setboardSpoiledMachineBlack = 1;
10827 if (cps->sendICS) {
10828 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10829 SendToProgram(buf, cps);
10831 cps->maybeThinking = FALSE;
10832 cps->offeredDraw = 0;
10833 if (!appData.icsActive) {
10834 SendTimeControl(cps, movesPerSession, timeControl,
10835 timeIncrement, appData.searchDepth,
10838 if (appData.showThinking
10839 // [HGM] thinking: four options require thinking output to be sent
10840 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10842 SendToProgram("post\n", cps);
10844 SendToProgram("hard\n", cps);
10845 if (!appData.ponderNextMove) {
10846 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10847 it without being sure what state we are in first. "hard"
10848 is not a toggle, so that one is OK.
10850 SendToProgram("easy\n", cps);
10852 if (cps->usePing) {
10853 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10854 SendToProgram(buf, cps);
10856 cps->initDone = TRUE;
10857 ClearEngineOutputPane(cps == &second);
10862 ResendOptions (ChessProgramState *cps)
10863 { // send the stored value of the options
10866 Option *opt = cps->option;
10867 for(i=0; i<cps->nrOptions; i++, opt++) {
10868 switch(opt->type) {
10872 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10875 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10878 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10884 SendToProgram(buf, cps);
10889 StartChessProgram (ChessProgramState *cps)
10894 if (appData.noChessProgram) return;
10895 cps->initDone = FALSE;
10897 if (strcmp(cps->host, "localhost") == 0) {
10898 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10899 } else if (*appData.remoteShell == NULLCHAR) {
10900 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10902 if (*appData.remoteUser == NULLCHAR) {
10903 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10906 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10907 cps->host, appData.remoteUser, cps->program);
10909 err = StartChildProcess(buf, "", &cps->pr);
10913 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10914 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10915 if(cps != &first) return;
10916 appData.noChessProgram = TRUE;
10919 // DisplayFatalError(buf, err, 1);
10920 // cps->pr = NoProc;
10921 // cps->isr = NULL;
10925 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10926 if (cps->protocolVersion > 1) {
10927 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10928 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10929 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10930 cps->comboCnt = 0; // and values of combo boxes
10932 SendToProgram(buf, cps);
10933 if(cps->reload) ResendOptions(cps);
10935 SendToProgram("xboard\n", cps);
10940 TwoMachinesEventIfReady P((void))
10942 static int curMess = 0;
10943 if (first.lastPing != first.lastPong) {
10944 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10945 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10948 if (second.lastPing != second.lastPong) {
10949 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10950 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10953 DisplayMessage("", ""); curMess = 0;
10954 TwoMachinesEvent();
10958 MakeName (char *template)
10962 static char buf[MSG_SIZ];
10966 clock = time((time_t *)NULL);
10967 tm = localtime(&clock);
10969 while(*p++ = *template++) if(p[-1] == '%') {
10970 switch(*template++) {
10971 case 0: *p = 0; return buf;
10972 case 'Y': i = tm->tm_year+1900; break;
10973 case 'y': i = tm->tm_year-100; break;
10974 case 'M': i = tm->tm_mon+1; break;
10975 case 'd': i = tm->tm_mday; break;
10976 case 'h': i = tm->tm_hour; break;
10977 case 'm': i = tm->tm_min; break;
10978 case 's': i = tm->tm_sec; break;
10981 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10987 CountPlayers (char *p)
10990 while(p = strchr(p, '\n')) p++, n++; // count participants
10995 WriteTourneyFile (char *results, FILE *f)
10996 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10997 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10998 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10999 // create a file with tournament description
11000 fprintf(f, "-participants {%s}\n", appData.participants);
11001 fprintf(f, "-seedBase %d\n", appData.seedBase);
11002 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11003 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11004 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11005 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11006 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11007 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11008 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11009 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11010 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11011 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11012 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11013 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11014 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11015 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11016 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11017 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11018 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11019 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11020 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11021 fprintf(f, "-smpCores %d\n", appData.smpCores);
11023 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11025 fprintf(f, "-mps %d\n", appData.movesPerSession);
11026 fprintf(f, "-tc %s\n", appData.timeControl);
11027 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11029 fprintf(f, "-results \"%s\"\n", results);
11034 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11037 Substitute (char *participants, int expunge)
11039 int i, changed, changes=0, nPlayers=0;
11040 char *p, *q, *r, buf[MSG_SIZ];
11041 if(participants == NULL) return;
11042 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11043 r = p = participants; q = appData.participants;
11044 while(*p && *p == *q) {
11045 if(*p == '\n') r = p+1, nPlayers++;
11048 if(*p) { // difference
11049 while(*p && *p++ != '\n');
11050 while(*q && *q++ != '\n');
11051 changed = nPlayers;
11052 changes = 1 + (strcmp(p, q) != 0);
11054 if(changes == 1) { // a single engine mnemonic was changed
11055 q = r; while(*q) nPlayers += (*q++ == '\n');
11056 p = buf; while(*r && (*p = *r++) != '\n') p++;
11058 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11059 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11060 if(mnemonic[i]) { // The substitute is valid
11062 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11063 flock(fileno(f), LOCK_EX);
11064 ParseArgsFromFile(f);
11065 fseek(f, 0, SEEK_SET);
11066 FREE(appData.participants); appData.participants = participants;
11067 if(expunge) { // erase results of replaced engine
11068 int len = strlen(appData.results), w, b, dummy;
11069 for(i=0; i<len; i++) {
11070 Pairing(i, nPlayers, &w, &b, &dummy);
11071 if((w == changed || b == changed) && appData.results[i] == '*') {
11072 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11077 for(i=0; i<len; i++) {
11078 Pairing(i, nPlayers, &w, &b, &dummy);
11079 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11082 WriteTourneyFile(appData.results, f);
11083 fclose(f); // release lock
11086 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11088 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11089 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11090 free(participants);
11095 CheckPlayers (char *participants)
11098 char buf[MSG_SIZ], *p;
11099 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11100 while(p = strchr(participants, '\n')) {
11102 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11104 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11106 DisplayError(buf, 0);
11110 participants = p + 1;
11116 CreateTourney (char *name)
11119 if(matchMode && strcmp(name, appData.tourneyFile)) {
11120 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11122 if(name[0] == NULLCHAR) {
11123 if(appData.participants[0])
11124 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11127 f = fopen(name, "r");
11128 if(f) { // file exists
11129 ASSIGN(appData.tourneyFile, name);
11130 ParseArgsFromFile(f); // parse it
11132 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11133 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11134 DisplayError(_("Not enough participants"), 0);
11137 if(CheckPlayers(appData.participants)) return 0;
11138 ASSIGN(appData.tourneyFile, name);
11139 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11140 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11143 appData.noChessProgram = FALSE;
11144 appData.clockMode = TRUE;
11150 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11152 char buf[MSG_SIZ], *p, *q;
11153 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11154 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11155 skip = !all && group[0]; // if group requested, we start in skip mode
11156 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11157 p = names; q = buf; header = 0;
11158 while(*p && *p != '\n') *q++ = *p++;
11160 if(*p == '\n') p++;
11161 if(buf[0] == '#') {
11162 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11163 depth++; // we must be entering a new group
11164 if(all) continue; // suppress printing group headers when complete list requested
11166 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11168 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11169 if(engineList[i]) free(engineList[i]);
11170 engineList[i] = strdup(buf);
11171 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11172 if(engineMnemonic[i]) free(engineMnemonic[i]);
11173 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11175 sscanf(q + 8, "%s", buf + strlen(buf));
11178 engineMnemonic[i] = strdup(buf);
11181 engineList[i] = engineMnemonic[i] = NULL;
11185 // following implemented as macro to avoid type limitations
11186 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11189 SwapEngines (int n)
11190 { // swap settings for first engine and other engine (so far only some selected options)
11195 SWAP(chessProgram, p)
11197 SWAP(hasOwnBookUCI, h)
11198 SWAP(protocolVersion, h)
11200 SWAP(scoreIsAbsolute, h)
11205 SWAP(engOptions, p)
11206 SWAP(engInitString, p)
11207 SWAP(computerString, p)
11209 SWAP(fenOverride, p)
11211 SWAP(accumulateTC, h)
11218 GetEngineLine (char *s, int n)
11222 extern char *icsNames;
11223 if(!s || !*s) return 0;
11224 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11225 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11226 if(!mnemonic[i]) return 0;
11227 if(n == 11) return 1; // just testing if there was a match
11228 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11229 if(n == 1) SwapEngines(n);
11230 ParseArgsFromString(buf);
11231 if(n == 1) SwapEngines(n);
11232 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11233 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11234 ParseArgsFromString(buf);
11240 SetPlayer (int player, char *p)
11241 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11243 char buf[MSG_SIZ], *engineName;
11244 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11245 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11246 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11248 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11249 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11250 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11251 ParseArgsFromString(buf);
11252 } else { // no engine with this nickname is installed!
11253 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11254 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11255 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11257 DisplayError(buf, 0);
11264 char *recentEngines;
11267 RecentEngineEvent (int nr)
11270 // SwapEngines(1); // bump first to second
11271 // ReplaceEngine(&second, 1); // and load it there
11272 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11273 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11274 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11275 ReplaceEngine(&first, 0);
11276 FloatToFront(&appData.recentEngineList, command[n]);
11281 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11282 { // determine players from game number
11283 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11285 if(appData.tourneyType == 0) {
11286 roundsPerCycle = (nPlayers - 1) | 1;
11287 pairingsPerRound = nPlayers / 2;
11288 } else if(appData.tourneyType > 0) {
11289 roundsPerCycle = nPlayers - appData.tourneyType;
11290 pairingsPerRound = appData.tourneyType;
11292 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11293 gamesPerCycle = gamesPerRound * roundsPerCycle;
11294 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11295 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11296 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11297 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11298 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11299 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11301 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11302 if(appData.roundSync) *syncInterval = gamesPerRound;
11304 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11306 if(appData.tourneyType == 0) {
11307 if(curPairing == (nPlayers-1)/2 ) {
11308 *whitePlayer = curRound;
11309 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11311 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11312 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11313 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11314 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11316 } else if(appData.tourneyType > 1) {
11317 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11318 *whitePlayer = curRound + appData.tourneyType;
11319 } else if(appData.tourneyType > 0) {
11320 *whitePlayer = curPairing;
11321 *blackPlayer = curRound + appData.tourneyType;
11324 // take care of white/black alternation per round.
11325 // For cycles and games this is already taken care of by default, derived from matchGame!
11326 return curRound & 1;
11330 NextTourneyGame (int nr, int *swapColors)
11331 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11333 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11335 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11336 tf = fopen(appData.tourneyFile, "r");
11337 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11338 ParseArgsFromFile(tf); fclose(tf);
11339 InitTimeControls(); // TC might be altered from tourney file
11341 nPlayers = CountPlayers(appData.participants); // count participants
11342 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11343 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11346 p = q = appData.results;
11347 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11348 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11349 DisplayMessage(_("Waiting for other game(s)"),"");
11350 waitingForGame = TRUE;
11351 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11354 waitingForGame = FALSE;
11357 if(appData.tourneyType < 0) {
11358 if(nr>=0 && !pairingReceived) {
11360 if(pairing.pr == NoProc) {
11361 if(!appData.pairingEngine[0]) {
11362 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11365 StartChessProgram(&pairing); // starts the pairing engine
11367 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11368 SendToProgram(buf, &pairing);
11369 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11370 SendToProgram(buf, &pairing);
11371 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11373 pairingReceived = 0; // ... so we continue here
11375 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11376 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11377 matchGame = 1; roundNr = nr / syncInterval + 1;
11380 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11382 // redefine engines, engine dir, etc.
11383 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11384 if(first.pr == NoProc) {
11385 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11386 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11388 if(second.pr == NoProc) {
11390 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11391 SwapEngines(1); // and make that valid for second engine by swapping
11392 InitEngine(&second, 1);
11394 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11395 UpdateLogos(FALSE); // leave display to ModeHiglight()
11401 { // performs game initialization that does not invoke engines, and then tries to start the game
11402 int res, firstWhite, swapColors = 0;
11403 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11404 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
11406 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11407 if(strcmp(buf, currentDebugFile)) { // name has changed
11408 FILE *f = fopen(buf, "w");
11409 if(f) { // if opening the new file failed, just keep using the old one
11410 ASSIGN(currentDebugFile, buf);
11414 if(appData.serverFileName) {
11415 if(serverFP) fclose(serverFP);
11416 serverFP = fopen(appData.serverFileName, "w");
11417 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11418 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11422 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11423 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11424 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11425 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11426 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11427 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11428 Reset(FALSE, first.pr != NoProc);
11429 res = LoadGameOrPosition(matchGame); // setup game
11430 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11431 if(!res) return; // abort when bad game/pos file
11432 if(appData.epd) {// in EPD mode we make sure first engine is to move
11433 firstWhite = !(forwardMostMove & 1);
11434 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11435 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11437 TwoMachinesEvent();
11441 UserAdjudicationEvent (int result)
11443 ChessMove gameResult = GameIsDrawn;
11446 gameResult = WhiteWins;
11448 else if( result < 0 ) {
11449 gameResult = BlackWins;
11452 if( gameMode == TwoMachinesPlay ) {
11453 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11458 // [HGM] save: calculate checksum of game to make games easily identifiable
11460 StringCheckSum (char *s)
11463 if(s==NULL) return 0;
11464 while(*s) i = i*259 + *s++;
11472 for(i=backwardMostMove; i<forwardMostMove; i++) {
11473 sum += pvInfoList[i].depth;
11474 sum += StringCheckSum(parseList[i]);
11475 sum += StringCheckSum(commentList[i]);
11478 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11479 return sum + StringCheckSum(commentList[i]);
11480 } // end of save patch
11483 GameEnds (ChessMove result, char *resultDetails, int whosays)
11485 GameMode nextGameMode;
11487 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11489 if(endingGame) return; /* [HGM] crash: forbid recursion */
11491 if(twoBoards) { // [HGM] dual: switch back to one board
11492 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11493 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11495 if (appData.debugMode) {
11496 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11497 result, resultDetails ? resultDetails : "(null)", whosays);
11500 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11502 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11504 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11505 /* If we are playing on ICS, the server decides when the
11506 game is over, but the engine can offer to draw, claim
11510 if (appData.zippyPlay && first.initDone) {
11511 if (result == GameIsDrawn) {
11512 /* In case draw still needs to be claimed */
11513 SendToICS(ics_prefix);
11514 SendToICS("draw\n");
11515 } else if (StrCaseStr(resultDetails, "resign")) {
11516 SendToICS(ics_prefix);
11517 SendToICS("resign\n");
11521 endingGame = 0; /* [HGM] crash */
11525 /* If we're loading the game from a file, stop */
11526 if (whosays == GE_FILE) {
11527 (void) StopLoadGameTimer();
11531 /* Cancel draw offers */
11532 first.offeredDraw = second.offeredDraw = 0;
11534 /* If this is an ICS game, only ICS can really say it's done;
11535 if not, anyone can. */
11536 isIcsGame = (gameMode == IcsPlayingWhite ||
11537 gameMode == IcsPlayingBlack ||
11538 gameMode == IcsObserving ||
11539 gameMode == IcsExamining);
11541 if (!isIcsGame || whosays == GE_ICS) {
11542 /* OK -- not an ICS game, or ICS said it was done */
11544 if (!isIcsGame && !appData.noChessProgram)
11545 SetUserThinkingEnables();
11547 /* [HGM] if a machine claims the game end we verify this claim */
11548 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11549 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11551 ChessMove trueResult = (ChessMove) -1;
11553 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11554 first.twoMachinesColor[0] :
11555 second.twoMachinesColor[0] ;
11557 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11558 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11559 /* [HGM] verify: engine mate claims accepted if they were flagged */
11560 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11562 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11563 /* [HGM] verify: engine mate claims accepted if they were flagged */
11564 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11566 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11567 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11570 // now verify win claims, but not in drop games, as we don't understand those yet
11571 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11572 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11573 (result == WhiteWins && claimer == 'w' ||
11574 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11575 if (appData.debugMode) {
11576 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11577 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11579 if(result != trueResult) {
11580 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11581 result = claimer == 'w' ? BlackWins : WhiteWins;
11582 resultDetails = buf;
11585 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11586 && (forwardMostMove <= backwardMostMove ||
11587 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11588 (claimer=='b')==(forwardMostMove&1))
11590 /* [HGM] verify: draws that were not flagged are false claims */
11591 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11592 result = claimer == 'w' ? BlackWins : WhiteWins;
11593 resultDetails = buf;
11595 /* (Claiming a loss is accepted no questions asked!) */
11596 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11597 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11598 result = GameUnfinished;
11599 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11601 /* [HGM] bare: don't allow bare King to win */
11602 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11603 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11604 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11605 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11606 && result != GameIsDrawn)
11607 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11608 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11609 int p = (signed char)boards[forwardMostMove][i][j] - color;
11610 if(p >= 0 && p <= (int)WhiteKing) k++;
11611 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11613 if (appData.debugMode) {
11614 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11615 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11617 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11618 result = GameIsDrawn;
11619 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11620 resultDetails = buf;
11626 if(serverMoves != NULL && !loadFlag) { char c = '=';
11627 if(result==WhiteWins) c = '+';
11628 if(result==BlackWins) c = '-';
11629 if(resultDetails != NULL)
11630 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11632 if (resultDetails != NULL) {
11633 gameInfo.result = result;
11634 gameInfo.resultDetails = StrSave(resultDetails);
11636 /* display last move only if game was not loaded from file */
11637 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11638 DisplayMove(currentMove - 1);
11640 if (forwardMostMove != 0) {
11641 if (gameMode != PlayFromGameFile && gameMode != EditGame
11642 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11644 if (*appData.saveGameFile != NULLCHAR) {
11645 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11646 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11648 SaveGameToFile(appData.saveGameFile, TRUE);
11649 } else if (appData.autoSaveGames) {
11650 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11652 if (*appData.savePositionFile != NULLCHAR) {
11653 SavePositionToFile(appData.savePositionFile);
11655 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11659 /* Tell program how game ended in case it is learning */
11660 /* [HGM] Moved this to after saving the PGN, just in case */
11661 /* engine died and we got here through time loss. In that */
11662 /* case we will get a fatal error writing the pipe, which */
11663 /* would otherwise lose us the PGN. */
11664 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11665 /* output during GameEnds should never be fatal anymore */
11666 if (gameMode == MachinePlaysWhite ||
11667 gameMode == MachinePlaysBlack ||
11668 gameMode == TwoMachinesPlay ||
11669 gameMode == IcsPlayingWhite ||
11670 gameMode == IcsPlayingBlack ||
11671 gameMode == BeginningOfGame) {
11673 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11675 if (first.pr != NoProc) {
11676 SendToProgram(buf, &first);
11678 if (second.pr != NoProc &&
11679 gameMode == TwoMachinesPlay) {
11680 SendToProgram(buf, &second);
11685 if (appData.icsActive) {
11686 if (appData.quietPlay &&
11687 (gameMode == IcsPlayingWhite ||
11688 gameMode == IcsPlayingBlack)) {
11689 SendToICS(ics_prefix);
11690 SendToICS("set shout 1\n");
11692 nextGameMode = IcsIdle;
11693 ics_user_moved = FALSE;
11694 /* clean up premove. It's ugly when the game has ended and the
11695 * premove highlights are still on the board.
11698 gotPremove = FALSE;
11699 ClearPremoveHighlights();
11700 DrawPosition(FALSE, boards[currentMove]);
11702 if (whosays == GE_ICS) {
11705 if (gameMode == IcsPlayingWhite)
11707 else if(gameMode == IcsPlayingBlack)
11708 PlayIcsLossSound();
11711 if (gameMode == IcsPlayingBlack)
11713 else if(gameMode == IcsPlayingWhite)
11714 PlayIcsLossSound();
11717 PlayIcsDrawSound();
11720 PlayIcsUnfinishedSound();
11723 if(appData.quitNext) { ExitEvent(0); return; }
11724 } else if (gameMode == EditGame ||
11725 gameMode == PlayFromGameFile ||
11726 gameMode == AnalyzeMode ||
11727 gameMode == AnalyzeFile) {
11728 nextGameMode = gameMode;
11730 nextGameMode = EndOfGame;
11735 nextGameMode = gameMode;
11738 if (appData.noChessProgram) {
11739 gameMode = nextGameMode;
11741 endingGame = 0; /* [HGM] crash */
11746 /* Put first chess program into idle state */
11747 if (first.pr != NoProc &&
11748 (gameMode == MachinePlaysWhite ||
11749 gameMode == MachinePlaysBlack ||
11750 gameMode == TwoMachinesPlay ||
11751 gameMode == IcsPlayingWhite ||
11752 gameMode == IcsPlayingBlack ||
11753 gameMode == BeginningOfGame)) {
11754 SendToProgram("force\n", &first);
11755 if (first.usePing) {
11757 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11758 SendToProgram(buf, &first);
11761 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11762 /* Kill off first chess program */
11763 if (first.isr != NULL)
11764 RemoveInputSource(first.isr);
11767 if (first.pr != NoProc) {
11769 DoSleep( appData.delayBeforeQuit );
11770 SendToProgram("quit\n", &first);
11771 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11772 first.reload = TRUE;
11776 if (second.reuse) {
11777 /* Put second chess program into idle state */
11778 if (second.pr != NoProc &&
11779 gameMode == TwoMachinesPlay) {
11780 SendToProgram("force\n", &second);
11781 if (second.usePing) {
11783 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11784 SendToProgram(buf, &second);
11787 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11788 /* Kill off second chess program */
11789 if (second.isr != NULL)
11790 RemoveInputSource(second.isr);
11793 if (second.pr != NoProc) {
11794 DoSleep( appData.delayBeforeQuit );
11795 SendToProgram("quit\n", &second);
11796 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11797 second.reload = TRUE;
11799 second.pr = NoProc;
11802 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11803 char resChar = '=';
11807 if (first.twoMachinesColor[0] == 'w') {
11810 second.matchWins++;
11815 if (first.twoMachinesColor[0] == 'b') {
11818 second.matchWins++;
11821 case GameUnfinished:
11827 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11828 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11829 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11830 ReserveGame(nextGame, resChar); // sets nextGame
11831 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11832 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11833 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11835 if (nextGame <= appData.matchGames && !abortMatch) {
11836 gameMode = nextGameMode;
11837 matchGame = nextGame; // this will be overruled in tourney mode!
11838 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11839 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11840 endingGame = 0; /* [HGM] crash */
11843 gameMode = nextGameMode;
11844 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11845 first.tidy, second.tidy,
11846 first.matchWins, second.matchWins,
11847 appData.matchGames - (first.matchWins + second.matchWins));
11848 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11849 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11850 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11851 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11852 first.twoMachinesColor = "black\n";
11853 second.twoMachinesColor = "white\n";
11855 first.twoMachinesColor = "white\n";
11856 second.twoMachinesColor = "black\n";
11860 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11861 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11863 gameMode = nextGameMode;
11865 endingGame = 0; /* [HGM] crash */
11866 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11867 if(matchMode == TRUE) { // match through command line: exit with or without popup
11869 ToNrEvent(forwardMostMove);
11870 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11872 } else DisplayFatalError(buf, 0, 0);
11873 } else { // match through menu; just stop, with or without popup
11874 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11877 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11878 } else DisplayNote(buf);
11880 if(ranking) free(ranking);
11884 /* Assumes program was just initialized (initString sent).
11885 Leaves program in force mode. */
11887 FeedMovesToProgram (ChessProgramState *cps, int upto)
11891 if (appData.debugMode)
11892 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11893 startedFromSetupPosition ? "position and " : "",
11894 backwardMostMove, upto, cps->which);
11895 if(currentlyInitializedVariant != gameInfo.variant) {
11897 // [HGM] variantswitch: make engine aware of new variant
11898 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11899 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11900 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11901 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11902 SendToProgram(buf, cps);
11903 currentlyInitializedVariant = gameInfo.variant;
11905 SendToProgram("force\n", cps);
11906 if (startedFromSetupPosition) {
11907 SendBoard(cps, backwardMostMove);
11908 if (appData.debugMode) {
11909 fprintf(debugFP, "feedMoves\n");
11912 for (i = backwardMostMove; i < upto; i++) {
11913 SendMoveToProgram(i, cps);
11919 ResurrectChessProgram ()
11921 /* The chess program may have exited.
11922 If so, restart it and feed it all the moves made so far. */
11923 static int doInit = 0;
11925 if (appData.noChessProgram) return 1;
11927 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11928 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11929 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11930 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11932 if (first.pr != NoProc) return 1;
11933 StartChessProgram(&first);
11935 InitChessProgram(&first, FALSE);
11936 FeedMovesToProgram(&first, currentMove);
11938 if (!first.sendTime) {
11939 /* can't tell gnuchess what its clock should read,
11940 so we bow to its notion. */
11942 timeRemaining[0][currentMove] = whiteTimeRemaining;
11943 timeRemaining[1][currentMove] = blackTimeRemaining;
11946 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11947 appData.icsEngineAnalyze) && first.analysisSupport) {
11948 SendToProgram("analyze\n", &first);
11949 first.analyzing = TRUE;
11955 * Button procedures
11958 Reset (int redraw, int init)
11962 if (appData.debugMode) {
11963 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11964 redraw, init, gameMode);
11966 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11967 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11968 CleanupTail(); // [HGM] vari: delete any stored variations
11969 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11970 pausing = pauseExamInvalid = FALSE;
11971 startedFromSetupPosition = blackPlaysFirst = FALSE;
11973 whiteFlag = blackFlag = FALSE;
11974 userOfferedDraw = FALSE;
11975 hintRequested = bookRequested = FALSE;
11976 first.maybeThinking = FALSE;
11977 second.maybeThinking = FALSE;
11978 first.bookSuspend = FALSE; // [HGM] book
11979 second.bookSuspend = FALSE;
11980 thinkOutput[0] = NULLCHAR;
11981 lastHint[0] = NULLCHAR;
11982 ClearGameInfo(&gameInfo);
11983 gameInfo.variant = StringToVariant(appData.variant);
11984 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
11985 gameInfo.variant = VariantUnknown;
11986 strncpy(engineVariant, appData.variant, MSG_SIZ);
11988 ics_user_moved = ics_clock_paused = FALSE;
11989 ics_getting_history = H_FALSE;
11991 white_holding[0] = black_holding[0] = NULLCHAR;
11992 ClearProgramStats();
11993 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11997 flipView = appData.flipView;
11998 ClearPremoveHighlights();
11999 gotPremove = FALSE;
12000 alarmSounded = FALSE;
12001 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12003 GameEnds(EndOfFile, NULL, GE_PLAYER);
12004 if(appData.serverMovesName != NULL) {
12005 /* [HGM] prepare to make moves file for broadcasting */
12006 clock_t t = clock();
12007 if(serverMoves != NULL) fclose(serverMoves);
12008 serverMoves = fopen(appData.serverMovesName, "r");
12009 if(serverMoves != NULL) {
12010 fclose(serverMoves);
12011 /* delay 15 sec before overwriting, so all clients can see end */
12012 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12014 serverMoves = fopen(appData.serverMovesName, "w");
12018 gameMode = BeginningOfGame;
12020 if(appData.icsActive) gameInfo.variant = VariantNormal;
12021 currentMove = forwardMostMove = backwardMostMove = 0;
12022 MarkTargetSquares(1);
12023 InitPosition(redraw);
12024 for (i = 0; i < MAX_MOVES; i++) {
12025 if (commentList[i] != NULL) {
12026 free(commentList[i]);
12027 commentList[i] = NULL;
12031 timeRemaining[0][0] = whiteTimeRemaining;
12032 timeRemaining[1][0] = blackTimeRemaining;
12034 if (first.pr == NoProc) {
12035 StartChessProgram(&first);
12038 InitChessProgram(&first, startedFromSetupPosition);
12041 DisplayMessage("", "");
12042 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12043 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12044 ClearMap(); // [HGM] exclude: invalidate map
12048 AutoPlayGameLoop ()
12051 if (!AutoPlayOneMove())
12053 if (matchMode || appData.timeDelay == 0)
12055 if (appData.timeDelay < 0)
12057 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12065 ReloadGame(1); // next game
12071 int fromX, fromY, toX, toY;
12073 if (appData.debugMode) {
12074 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12077 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12080 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12081 pvInfoList[currentMove].depth = programStats.depth;
12082 pvInfoList[currentMove].score = programStats.score;
12083 pvInfoList[currentMove].time = 0;
12084 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12085 else { // append analysis of final position as comment
12087 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12088 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12090 programStats.depth = 0;
12093 if (currentMove >= forwardMostMove) {
12094 if(gameMode == AnalyzeFile) {
12095 if(appData.loadGameIndex == -1) {
12096 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12097 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12099 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12102 // gameMode = EndOfGame;
12103 // ModeHighlight();
12105 /* [AS] Clear current move marker at the end of a game */
12106 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12111 toX = moveList[currentMove][2] - AAA;
12112 toY = moveList[currentMove][3] - ONE;
12114 if (moveList[currentMove][1] == '@') {
12115 if (appData.highlightLastMove) {
12116 SetHighlights(-1, -1, toX, toY);
12119 fromX = moveList[currentMove][0] - AAA;
12120 fromY = moveList[currentMove][1] - ONE;
12122 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12124 if(moveList[currentMove][4] == ';') { // multi-leg
12125 killX = moveList[currentMove][5] - AAA;
12126 killY = moveList[currentMove][6] - ONE;
12128 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12129 killX = killY = -1;
12131 if (appData.highlightLastMove) {
12132 SetHighlights(fromX, fromY, toX, toY);
12135 DisplayMove(currentMove);
12136 SendMoveToProgram(currentMove++, &first);
12137 DisplayBothClocks();
12138 DrawPosition(FALSE, boards[currentMove]);
12139 // [HGM] PV info: always display, routine tests if empty
12140 DisplayComment(currentMove - 1, commentList[currentMove]);
12146 LoadGameOneMove (ChessMove readAhead)
12148 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12149 char promoChar = NULLCHAR;
12150 ChessMove moveType;
12151 char move[MSG_SIZ];
12154 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12155 gameMode != AnalyzeMode && gameMode != Training) {
12160 yyboardindex = forwardMostMove;
12161 if (readAhead != EndOfFile) {
12162 moveType = readAhead;
12164 if (gameFileFP == NULL)
12166 moveType = (ChessMove) Myylex();
12170 switch (moveType) {
12172 if (appData.debugMode)
12173 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12176 /* append the comment but don't display it */
12177 AppendComment(currentMove, p, FALSE);
12180 case WhiteCapturesEnPassant:
12181 case BlackCapturesEnPassant:
12182 case WhitePromotion:
12183 case BlackPromotion:
12184 case WhiteNonPromotion:
12185 case BlackNonPromotion:
12188 case WhiteKingSideCastle:
12189 case WhiteQueenSideCastle:
12190 case BlackKingSideCastle:
12191 case BlackQueenSideCastle:
12192 case WhiteKingSideCastleWild:
12193 case WhiteQueenSideCastleWild:
12194 case BlackKingSideCastleWild:
12195 case BlackQueenSideCastleWild:
12197 case WhiteHSideCastleFR:
12198 case WhiteASideCastleFR:
12199 case BlackHSideCastleFR:
12200 case BlackASideCastleFR:
12202 if (appData.debugMode)
12203 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12204 fromX = currentMoveString[0] - AAA;
12205 fromY = currentMoveString[1] - ONE;
12206 toX = currentMoveString[2] - AAA;
12207 toY = currentMoveString[3] - ONE;
12208 promoChar = currentMoveString[4];
12209 if(promoChar == ';') promoChar = currentMoveString[7];
12214 if (appData.debugMode)
12215 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12216 fromX = moveType == WhiteDrop ?
12217 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12218 (int) CharToPiece(ToLower(currentMoveString[0]));
12220 toX = currentMoveString[2] - AAA;
12221 toY = currentMoveString[3] - ONE;
12227 case GameUnfinished:
12228 if (appData.debugMode)
12229 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12230 p = strchr(yy_text, '{');
12231 if (p == NULL) p = strchr(yy_text, '(');
12234 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12236 q = strchr(p, *p == '{' ? '}' : ')');
12237 if (q != NULL) *q = NULLCHAR;
12240 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12241 GameEnds(moveType, p, GE_FILE);
12243 if (cmailMsgLoaded) {
12245 flipView = WhiteOnMove(currentMove);
12246 if (moveType == GameUnfinished) flipView = !flipView;
12247 if (appData.debugMode)
12248 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12253 if (appData.debugMode)
12254 fprintf(debugFP, "Parser hit end of file\n");
12255 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12261 if (WhiteOnMove(currentMove)) {
12262 GameEnds(BlackWins, "Black mates", GE_FILE);
12264 GameEnds(WhiteWins, "White mates", GE_FILE);
12268 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12274 case MoveNumberOne:
12275 if (lastLoadGameStart == GNUChessGame) {
12276 /* GNUChessGames have numbers, but they aren't move numbers */
12277 if (appData.debugMode)
12278 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12279 yy_text, (int) moveType);
12280 return LoadGameOneMove(EndOfFile); /* tail recursion */
12282 /* else fall thru */
12287 /* Reached start of next game in file */
12288 if (appData.debugMode)
12289 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12290 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12296 if (WhiteOnMove(currentMove)) {
12297 GameEnds(BlackWins, "Black mates", GE_FILE);
12299 GameEnds(WhiteWins, "White mates", GE_FILE);
12303 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12309 case PositionDiagram: /* should not happen; ignore */
12310 case ElapsedTime: /* ignore */
12311 case NAG: /* ignore */
12312 if (appData.debugMode)
12313 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12314 yy_text, (int) moveType);
12315 return LoadGameOneMove(EndOfFile); /* tail recursion */
12318 if (appData.testLegality) {
12319 if (appData.debugMode)
12320 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12321 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12322 (forwardMostMove / 2) + 1,
12323 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12324 DisplayError(move, 0);
12327 if (appData.debugMode)
12328 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12329 yy_text, currentMoveString);
12330 if(currentMoveString[1] == '@') {
12331 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12334 fromX = currentMoveString[0] - AAA;
12335 fromY = currentMoveString[1] - ONE;
12337 toX = currentMoveString[2] - AAA;
12338 toY = currentMoveString[3] - ONE;
12339 promoChar = currentMoveString[4];
12343 case AmbiguousMove:
12344 if (appData.debugMode)
12345 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12346 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12347 (forwardMostMove / 2) + 1,
12348 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12349 DisplayError(move, 0);
12354 case ImpossibleMove:
12355 if (appData.debugMode)
12356 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12357 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12358 (forwardMostMove / 2) + 1,
12359 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12360 DisplayError(move, 0);
12366 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12367 DrawPosition(FALSE, boards[currentMove]);
12368 DisplayBothClocks();
12369 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12370 DisplayComment(currentMove - 1, commentList[currentMove]);
12372 (void) StopLoadGameTimer();
12374 cmailOldMove = forwardMostMove;
12377 /* currentMoveString is set as a side-effect of yylex */
12379 thinkOutput[0] = NULLCHAR;
12380 MakeMove(fromX, fromY, toX, toY, promoChar);
12381 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12382 currentMove = forwardMostMove;
12387 /* Load the nth game from the given file */
12389 LoadGameFromFile (char *filename, int n, char *title, int useList)
12394 if (strcmp(filename, "-") == 0) {
12398 f = fopen(filename, "rb");
12400 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12401 DisplayError(buf, errno);
12405 if (fseek(f, 0, 0) == -1) {
12406 /* f is not seekable; probably a pipe */
12409 if (useList && n == 0) {
12410 int error = GameListBuild(f);
12412 DisplayError(_("Cannot build game list"), error);
12413 } else if (!ListEmpty(&gameList) &&
12414 ((ListGame *) gameList.tailPred)->number > 1) {
12415 GameListPopUp(f, title);
12422 return LoadGame(f, n, title, FALSE);
12427 MakeRegisteredMove ()
12429 int fromX, fromY, toX, toY;
12431 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12432 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12435 if (appData.debugMode)
12436 fprintf(debugFP, "Restoring %s for game %d\n",
12437 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12439 thinkOutput[0] = NULLCHAR;
12440 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12441 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12442 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12443 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12444 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12445 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12446 MakeMove(fromX, fromY, toX, toY, promoChar);
12447 ShowMove(fromX, fromY, toX, toY);
12449 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12456 if (WhiteOnMove(currentMove)) {
12457 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12459 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12464 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12471 if (WhiteOnMove(currentMove)) {
12472 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12474 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12479 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12490 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12492 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12496 if (gameNumber > nCmailGames) {
12497 DisplayError(_("No more games in this message"), 0);
12500 if (f == lastLoadGameFP) {
12501 int offset = gameNumber - lastLoadGameNumber;
12503 cmailMsg[0] = NULLCHAR;
12504 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12505 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12506 nCmailMovesRegistered--;
12508 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12509 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12510 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12513 if (! RegisterMove()) return FALSE;
12517 retVal = LoadGame(f, gameNumber, title, useList);
12519 /* Make move registered during previous look at this game, if any */
12520 MakeRegisteredMove();
12522 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12523 commentList[currentMove]
12524 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12525 DisplayComment(currentMove - 1, commentList[currentMove]);
12531 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12533 ReloadGame (int offset)
12535 int gameNumber = lastLoadGameNumber + offset;
12536 if (lastLoadGameFP == NULL) {
12537 DisplayError(_("No game has been loaded yet"), 0);
12540 if (gameNumber <= 0) {
12541 DisplayError(_("Can't back up any further"), 0);
12544 if (cmailMsgLoaded) {
12545 return CmailLoadGame(lastLoadGameFP, gameNumber,
12546 lastLoadGameTitle, lastLoadGameUseList);
12548 return LoadGame(lastLoadGameFP, gameNumber,
12549 lastLoadGameTitle, lastLoadGameUseList);
12553 int keys[EmptySquare+1];
12556 PositionMatches (Board b1, Board b2)
12559 switch(appData.searchMode) {
12560 case 1: return CompareWithRights(b1, b2);
12562 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12563 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12567 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12568 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12569 sum += keys[b1[r][f]] - keys[b2[r][f]];
12573 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12574 sum += keys[b1[r][f]] - keys[b2[r][f]];
12586 int pieceList[256], quickBoard[256];
12587 ChessSquare pieceType[256] = { EmptySquare };
12588 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12589 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12590 int soughtTotal, turn;
12591 Boolean epOK, flipSearch;
12594 unsigned char piece, to;
12597 #define DSIZE (250000)
12599 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12600 Move *moveDatabase = initialSpace;
12601 unsigned int movePtr, dataSize = DSIZE;
12604 MakePieceList (Board board, int *counts)
12606 int r, f, n=Q_PROMO, total=0;
12607 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12608 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12609 int sq = f + (r<<4);
12610 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12611 quickBoard[sq] = ++n;
12613 pieceType[n] = board[r][f];
12614 counts[board[r][f]]++;
12615 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12616 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12620 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12625 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12627 int sq = fromX + (fromY<<4);
12628 int piece = quickBoard[sq], rook;
12629 quickBoard[sq] = 0;
12630 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12631 if(piece == pieceList[1] && fromY == toY) {
12632 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12633 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12634 moveDatabase[movePtr++].piece = Q_WCASTL;
12635 quickBoard[sq] = piece;
12636 piece = quickBoard[from]; quickBoard[from] = 0;
12637 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12638 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12639 quickBoard[sq] = 0; // remove Rook
12640 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12641 moveDatabase[movePtr++].piece = Q_WCASTL;
12642 quickBoard[sq] = pieceList[1]; // put King
12644 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12647 if(piece == pieceList[2] && 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) + (BOARD_HEIGHT-1 <<4);
12650 moveDatabase[movePtr++].piece = Q_BCASTL;
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] == BlackRook) { // FRC castling
12655 quickBoard[sq] = 0; // remove Rook
12656 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12657 moveDatabase[movePtr++].piece = Q_BCASTL;
12658 quickBoard[sq] = pieceList[2]; // put King
12660 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12663 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12664 quickBoard[(fromY<<4)+toX] = 0;
12665 moveDatabase[movePtr].piece = Q_EP;
12666 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12667 moveDatabase[movePtr].to = sq;
12669 if(promoPiece != pieceType[piece]) {
12670 moveDatabase[movePtr++].piece = Q_PROMO;
12671 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12673 moveDatabase[movePtr].piece = piece;
12674 quickBoard[sq] = piece;
12679 PackGame (Board board)
12681 Move *newSpace = NULL;
12682 moveDatabase[movePtr].piece = 0; // terminate previous game
12683 if(movePtr > dataSize) {
12684 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12685 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12686 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12689 Move *p = moveDatabase, *q = newSpace;
12690 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12691 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12692 moveDatabase = newSpace;
12693 } else { // calloc failed, we must be out of memory. Too bad...
12694 dataSize = 0; // prevent calloc events for all subsequent games
12695 return 0; // and signal this one isn't cached
12699 MakePieceList(board, counts);
12704 QuickCompare (Board board, int *minCounts, int *maxCounts)
12705 { // compare according to search mode
12707 switch(appData.searchMode)
12709 case 1: // exact position match
12710 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12711 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12712 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12715 case 2: // can have extra material on empty squares
12716 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12717 if(board[r][f] == EmptySquare) continue;
12718 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12721 case 3: // material with exact Pawn structure
12722 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12723 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12724 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12725 } // fall through to material comparison
12726 case 4: // exact material
12727 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12729 case 6: // material range with given imbalance
12730 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12731 // fall through to range comparison
12732 case 5: // material range
12733 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12739 QuickScan (Board board, Move *move)
12740 { // reconstruct game,and compare all positions in it
12741 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12743 int piece = move->piece;
12744 int to = move->to, from = pieceList[piece];
12745 if(found < 0) { // if already found just scan to game end for final piece count
12746 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12747 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12748 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12749 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12751 static int lastCounts[EmptySquare+1];
12753 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12754 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12755 } else stretch = 0;
12756 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12757 if(found >= 0 && !appData.minPieces) return found;
12759 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12760 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12761 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12762 piece = (++move)->piece;
12763 from = pieceList[piece];
12764 counts[pieceType[piece]]--;
12765 pieceType[piece] = (ChessSquare) move->to;
12766 counts[move->to]++;
12767 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12768 counts[pieceType[quickBoard[to]]]--;
12769 quickBoard[to] = 0; total--;
12772 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12773 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12774 from = pieceList[piece]; // so this must be King
12775 quickBoard[from] = 0;
12776 pieceList[piece] = to;
12777 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12778 quickBoard[from] = 0; // rook
12779 quickBoard[to] = piece;
12780 to = move->to; piece = move->piece;
12784 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12785 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12786 quickBoard[from] = 0;
12788 quickBoard[to] = piece;
12789 pieceList[piece] = to;
12799 flipSearch = FALSE;
12800 CopyBoard(soughtBoard, boards[currentMove]);
12801 soughtTotal = MakePieceList(soughtBoard, maxSought);
12802 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12803 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12804 CopyBoard(reverseBoard, boards[currentMove]);
12805 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12806 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12807 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12808 reverseBoard[r][f] = piece;
12810 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12811 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12812 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12813 || (boards[currentMove][CASTLING][2] == NoRights ||
12814 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12815 && (boards[currentMove][CASTLING][5] == NoRights ||
12816 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12819 CopyBoard(flipBoard, soughtBoard);
12820 CopyBoard(rotateBoard, reverseBoard);
12821 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12822 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12823 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12826 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12827 if(appData.searchMode >= 5) {
12828 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12829 MakePieceList(soughtBoard, minSought);
12830 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12832 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12833 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12836 GameInfo dummyInfo;
12837 static int creatingBook;
12840 GameContainsPosition (FILE *f, ListGame *lg)
12842 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12843 int fromX, fromY, toX, toY;
12845 static int initDone=FALSE;
12847 // weed out games based on numerical tag comparison
12848 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12849 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12850 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12851 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12853 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12856 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12857 else CopyBoard(boards[scratch], initialPosition); // default start position
12860 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12861 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12864 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12865 fseek(f, lg->offset, 0);
12868 yyboardindex = scratch;
12869 quickFlag = plyNr+1;
12874 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12880 if(plyNr) return -1; // after we have seen moves, this is for new game
12883 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12884 case ImpossibleMove:
12885 case WhiteWins: // game ends here with these four
12888 case GameUnfinished:
12892 if(appData.testLegality) return -1;
12893 case WhiteCapturesEnPassant:
12894 case BlackCapturesEnPassant:
12895 case WhitePromotion:
12896 case BlackPromotion:
12897 case WhiteNonPromotion:
12898 case BlackNonPromotion:
12901 case WhiteKingSideCastle:
12902 case WhiteQueenSideCastle:
12903 case BlackKingSideCastle:
12904 case BlackQueenSideCastle:
12905 case WhiteKingSideCastleWild:
12906 case WhiteQueenSideCastleWild:
12907 case BlackKingSideCastleWild:
12908 case BlackQueenSideCastleWild:
12909 case WhiteHSideCastleFR:
12910 case WhiteASideCastleFR:
12911 case BlackHSideCastleFR:
12912 case BlackASideCastleFR:
12913 fromX = currentMoveString[0] - AAA;
12914 fromY = currentMoveString[1] - ONE;
12915 toX = currentMoveString[2] - AAA;
12916 toY = currentMoveString[3] - ONE;
12917 promoChar = currentMoveString[4];
12921 fromX = next == WhiteDrop ?
12922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12923 (int) CharToPiece(ToLower(currentMoveString[0]));
12925 toX = currentMoveString[2] - AAA;
12926 toY = currentMoveString[3] - ONE;
12930 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12932 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12933 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12934 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12935 if(appData.findMirror) {
12936 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12937 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12942 /* Load the nth game from open file f */
12944 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12948 int gn = gameNumber;
12949 ListGame *lg = NULL;
12950 int numPGNTags = 0, i;
12952 GameMode oldGameMode;
12953 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12954 char oldName[MSG_SIZ];
12956 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12958 if (appData.debugMode)
12959 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12961 if (gameMode == Training )
12962 SetTrainingModeOff();
12964 oldGameMode = gameMode;
12965 if (gameMode != BeginningOfGame) {
12966 Reset(FALSE, TRUE);
12968 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12971 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12972 fclose(lastLoadGameFP);
12976 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12979 fseek(f, lg->offset, 0);
12980 GameListHighlight(gameNumber);
12981 pos = lg->position;
12985 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12986 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12988 DisplayError(_("Game number out of range"), 0);
12993 if (fseek(f, 0, 0) == -1) {
12994 if (f == lastLoadGameFP ?
12995 gameNumber == lastLoadGameNumber + 1 :
12999 DisplayError(_("Can't seek on game file"), 0);
13004 lastLoadGameFP = f;
13005 lastLoadGameNumber = gameNumber;
13006 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13007 lastLoadGameUseList = useList;
13011 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13012 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13013 lg->gameInfo.black);
13015 } else if (*title != NULLCHAR) {
13016 if (gameNumber > 1) {
13017 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13020 DisplayTitle(title);
13024 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13025 gameMode = PlayFromGameFile;
13029 currentMove = forwardMostMove = backwardMostMove = 0;
13030 CopyBoard(boards[0], initialPosition);
13034 * Skip the first gn-1 games in the file.
13035 * Also skip over anything that precedes an identifiable
13036 * start of game marker, to avoid being confused by
13037 * garbage at the start of the file. Currently
13038 * recognized start of game markers are the move number "1",
13039 * the pattern "gnuchess .* game", the pattern
13040 * "^[#;%] [^ ]* game file", and a PGN tag block.
13041 * A game that starts with one of the latter two patterns
13042 * will also have a move number 1, possibly
13043 * following a position diagram.
13044 * 5-4-02: Let's try being more lenient and allowing a game to
13045 * start with an unnumbered move. Does that break anything?
13047 cm = lastLoadGameStart = EndOfFile;
13049 yyboardindex = forwardMostMove;
13050 cm = (ChessMove) Myylex();
13053 if (cmailMsgLoaded) {
13054 nCmailGames = CMAIL_MAX_GAMES - gn;
13057 DisplayError(_("Game not found in file"), 0);
13064 lastLoadGameStart = cm;
13067 case MoveNumberOne:
13068 switch (lastLoadGameStart) {
13073 case MoveNumberOne:
13075 gn--; /* count this game */
13076 lastLoadGameStart = cm;
13085 switch (lastLoadGameStart) {
13088 case MoveNumberOne:
13090 gn--; /* count this game */
13091 lastLoadGameStart = cm;
13094 lastLoadGameStart = cm; /* game counted already */
13102 yyboardindex = forwardMostMove;
13103 cm = (ChessMove) Myylex();
13104 } while (cm == PGNTag || cm == Comment);
13111 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13112 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13113 != CMAIL_OLD_RESULT) {
13115 cmailResult[ CMAIL_MAX_GAMES
13116 - gn - 1] = CMAIL_OLD_RESULT;
13123 /* Only a NormalMove can be at the start of a game
13124 * without a position diagram. */
13125 if (lastLoadGameStart == EndOfFile ) {
13127 lastLoadGameStart = MoveNumberOne;
13136 if (appData.debugMode)
13137 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13139 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13141 if (cm == XBoardGame) {
13142 /* Skip any header junk before position diagram and/or move 1 */
13144 yyboardindex = forwardMostMove;
13145 cm = (ChessMove) Myylex();
13147 if (cm == EndOfFile ||
13148 cm == GNUChessGame || cm == XBoardGame) {
13149 /* Empty game; pretend end-of-file and handle later */
13154 if (cm == MoveNumberOne || cm == PositionDiagram ||
13155 cm == PGNTag || cm == Comment)
13158 } else if (cm == GNUChessGame) {
13159 if (gameInfo.event != NULL) {
13160 free(gameInfo.event);
13162 gameInfo.event = StrSave(yy_text);
13165 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13166 while (cm == PGNTag) {
13167 if (appData.debugMode)
13168 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13169 err = ParsePGNTag(yy_text, &gameInfo);
13170 if (!err) numPGNTags++;
13172 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13173 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13174 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13175 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13176 InitPosition(TRUE);
13177 oldVariant = gameInfo.variant;
13178 if (appData.debugMode)
13179 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13183 if (gameInfo.fen != NULL) {
13184 Board initial_position;
13185 startedFromSetupPosition = TRUE;
13186 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13188 DisplayError(_("Bad FEN position in file"), 0);
13191 CopyBoard(boards[0], initial_position);
13192 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13193 CopyBoard(initialPosition, initial_position);
13194 if (blackPlaysFirst) {
13195 currentMove = forwardMostMove = backwardMostMove = 1;
13196 CopyBoard(boards[1], initial_position);
13197 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13198 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13199 timeRemaining[0][1] = whiteTimeRemaining;
13200 timeRemaining[1][1] = blackTimeRemaining;
13201 if (commentList[0] != NULL) {
13202 commentList[1] = commentList[0];
13203 commentList[0] = NULL;
13206 currentMove = forwardMostMove = backwardMostMove = 0;
13208 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13210 initialRulePlies = FENrulePlies;
13211 for( i=0; i< nrCastlingRights; i++ )
13212 initialRights[i] = initial_position[CASTLING][i];
13214 yyboardindex = forwardMostMove;
13215 free(gameInfo.fen);
13216 gameInfo.fen = NULL;
13219 yyboardindex = forwardMostMove;
13220 cm = (ChessMove) Myylex();
13222 /* Handle comments interspersed among the tags */
13223 while (cm == Comment) {
13225 if (appData.debugMode)
13226 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13228 AppendComment(currentMove, p, FALSE);
13229 yyboardindex = forwardMostMove;
13230 cm = (ChessMove) Myylex();
13234 /* don't rely on existence of Event tag since if game was
13235 * pasted from clipboard the Event tag may not exist
13237 if (numPGNTags > 0){
13239 if (gameInfo.variant == VariantNormal) {
13240 VariantClass v = StringToVariant(gameInfo.event);
13241 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13242 if(v < VariantShogi) gameInfo.variant = v;
13245 if( appData.autoDisplayTags ) {
13246 tags = PGNTags(&gameInfo);
13247 TagsPopUp(tags, CmailMsg());
13252 /* Make something up, but don't display it now */
13257 if (cm == PositionDiagram) {
13260 Board initial_position;
13262 if (appData.debugMode)
13263 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13265 if (!startedFromSetupPosition) {
13267 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13268 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13279 initial_position[i][j++] = CharToPiece(*p);
13282 while (*p == ' ' || *p == '\t' ||
13283 *p == '\n' || *p == '\r') p++;
13285 if (strncmp(p, "black", strlen("black"))==0)
13286 blackPlaysFirst = TRUE;
13288 blackPlaysFirst = FALSE;
13289 startedFromSetupPosition = TRUE;
13291 CopyBoard(boards[0], initial_position);
13292 if (blackPlaysFirst) {
13293 currentMove = forwardMostMove = backwardMostMove = 1;
13294 CopyBoard(boards[1], initial_position);
13295 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13296 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13297 timeRemaining[0][1] = whiteTimeRemaining;
13298 timeRemaining[1][1] = blackTimeRemaining;
13299 if (commentList[0] != NULL) {
13300 commentList[1] = commentList[0];
13301 commentList[0] = NULL;
13304 currentMove = forwardMostMove = backwardMostMove = 0;
13307 yyboardindex = forwardMostMove;
13308 cm = (ChessMove) Myylex();
13311 if(!creatingBook) {
13312 if (first.pr == NoProc) {
13313 StartChessProgram(&first);
13315 InitChessProgram(&first, FALSE);
13316 if(gameInfo.variant == VariantUnknown && *oldName) {
13317 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13318 gameInfo.variant = v;
13320 SendToProgram("force\n", &first);
13321 if (startedFromSetupPosition) {
13322 SendBoard(&first, forwardMostMove);
13323 if (appData.debugMode) {
13324 fprintf(debugFP, "Load Game\n");
13326 DisplayBothClocks();
13330 /* [HGM] server: flag to write setup moves in broadcast file as one */
13331 loadFlag = appData.suppressLoadMoves;
13333 while (cm == Comment) {
13335 if (appData.debugMode)
13336 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13338 AppendComment(currentMove, p, FALSE);
13339 yyboardindex = forwardMostMove;
13340 cm = (ChessMove) Myylex();
13343 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13344 cm == WhiteWins || cm == BlackWins ||
13345 cm == GameIsDrawn || cm == GameUnfinished) {
13346 DisplayMessage("", _("No moves in game"));
13347 if (cmailMsgLoaded) {
13348 if (appData.debugMode)
13349 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13353 DrawPosition(FALSE, boards[currentMove]);
13354 DisplayBothClocks();
13355 gameMode = EditGame;
13362 // [HGM] PV info: routine tests if comment empty
13363 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13364 DisplayComment(currentMove - 1, commentList[currentMove]);
13366 if (!matchMode && appData.timeDelay != 0)
13367 DrawPosition(FALSE, boards[currentMove]);
13369 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13370 programStats.ok_to_send = 1;
13373 /* if the first token after the PGN tags is a move
13374 * and not move number 1, retrieve it from the parser
13376 if (cm != MoveNumberOne)
13377 LoadGameOneMove(cm);
13379 /* load the remaining moves from the file */
13380 while (LoadGameOneMove(EndOfFile)) {
13381 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13382 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13385 /* rewind to the start of the game */
13386 currentMove = backwardMostMove;
13388 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13390 if (oldGameMode == AnalyzeFile) {
13391 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13392 AnalyzeFileEvent();
13394 if (oldGameMode == AnalyzeMode) {
13395 AnalyzeFileEvent();
13398 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13399 long int w, b; // [HGM] adjourn: restore saved clock times
13400 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13401 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13402 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13403 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13407 if(creatingBook) return TRUE;
13408 if (!matchMode && pos > 0) {
13409 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13411 if (matchMode || appData.timeDelay == 0) {
13413 } else if (appData.timeDelay > 0) {
13414 AutoPlayGameLoop();
13417 if (appData.debugMode)
13418 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13420 loadFlag = 0; /* [HGM] true game starts */
13424 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13426 ReloadPosition (int offset)
13428 int positionNumber = lastLoadPositionNumber + offset;
13429 if (lastLoadPositionFP == NULL) {
13430 DisplayError(_("No position has been loaded yet"), 0);
13433 if (positionNumber <= 0) {
13434 DisplayError(_("Can't back up any further"), 0);
13437 return LoadPosition(lastLoadPositionFP, positionNumber,
13438 lastLoadPositionTitle);
13441 /* Load the nth position from the given file */
13443 LoadPositionFromFile (char *filename, int n, char *title)
13448 if (strcmp(filename, "-") == 0) {
13449 return LoadPosition(stdin, n, "stdin");
13451 f = fopen(filename, "rb");
13453 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13454 DisplayError(buf, errno);
13457 return LoadPosition(f, n, title);
13462 /* Load the nth position from the given open file, and close it */
13464 LoadPosition (FILE *f, int positionNumber, char *title)
13466 char *p, line[MSG_SIZ];
13467 Board initial_position;
13468 int i, j, fenMode, pn;
13470 if (gameMode == Training )
13471 SetTrainingModeOff();
13473 if (gameMode != BeginningOfGame) {
13474 Reset(FALSE, TRUE);
13476 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13477 fclose(lastLoadPositionFP);
13479 if (positionNumber == 0) positionNumber = 1;
13480 lastLoadPositionFP = f;
13481 lastLoadPositionNumber = positionNumber;
13482 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13483 if (first.pr == NoProc && !appData.noChessProgram) {
13484 StartChessProgram(&first);
13485 InitChessProgram(&first, FALSE);
13487 pn = positionNumber;
13488 if (positionNumber < 0) {
13489 /* Negative position number means to seek to that byte offset */
13490 if (fseek(f, -positionNumber, 0) == -1) {
13491 DisplayError(_("Can't seek on position file"), 0);
13496 if (fseek(f, 0, 0) == -1) {
13497 if (f == lastLoadPositionFP ?
13498 positionNumber == lastLoadPositionNumber + 1 :
13499 positionNumber == 1) {
13502 DisplayError(_("Can't seek on position file"), 0);
13507 /* See if this file is FEN or old-style xboard */
13508 if (fgets(line, MSG_SIZ, f) == NULL) {
13509 DisplayError(_("Position not found in file"), 0);
13512 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13513 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13516 if (fenMode || line[0] == '#') pn--;
13518 /* skip positions before number pn */
13519 if (fgets(line, MSG_SIZ, f) == NULL) {
13521 DisplayError(_("Position not found in file"), 0);
13524 if (fenMode || line[0] == '#') pn--;
13530 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13531 DisplayError(_("Bad FEN position in file"), 0);
13534 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13535 sscanf(p+4, "%s", bestMove);
13536 } else *bestMove = NULLCHAR;
13538 (void) fgets(line, MSG_SIZ, f);
13539 (void) fgets(line, MSG_SIZ, f);
13541 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13542 (void) fgets(line, MSG_SIZ, f);
13543 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13546 initial_position[i][j++] = CharToPiece(*p);
13550 blackPlaysFirst = FALSE;
13552 (void) fgets(line, MSG_SIZ, f);
13553 if (strncmp(line, "black", strlen("black"))==0)
13554 blackPlaysFirst = TRUE;
13557 startedFromSetupPosition = TRUE;
13559 CopyBoard(boards[0], initial_position);
13560 if (blackPlaysFirst) {
13561 currentMove = forwardMostMove = backwardMostMove = 1;
13562 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13563 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13564 CopyBoard(boards[1], initial_position);
13565 DisplayMessage("", _("Black to play"));
13567 currentMove = forwardMostMove = backwardMostMove = 0;
13568 DisplayMessage("", _("White to play"));
13570 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13571 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13572 SendToProgram("force\n", &first);
13573 SendBoard(&first, forwardMostMove);
13575 if (appData.debugMode) {
13577 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13578 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13579 fprintf(debugFP, "Load Position\n");
13582 if (positionNumber > 1) {
13583 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13584 DisplayTitle(line);
13586 DisplayTitle(title);
13588 gameMode = EditGame;
13591 timeRemaining[0][1] = whiteTimeRemaining;
13592 timeRemaining[1][1] = blackTimeRemaining;
13593 DrawPosition(FALSE, boards[currentMove]);
13600 CopyPlayerNameIntoFileName (char **dest, char *src)
13602 while (*src != NULLCHAR && *src != ',') {
13607 *(*dest)++ = *src++;
13613 DefaultFileName (char *ext)
13615 static char def[MSG_SIZ];
13618 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13620 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13622 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13624 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13631 /* Save the current game to the given file */
13633 SaveGameToFile (char *filename, int append)
13637 int result, i, t,tot=0;
13639 if (strcmp(filename, "-") == 0) {
13640 return SaveGame(stdout, 0, NULL);
13642 for(i=0; i<10; i++) { // upto 10 tries
13643 f = fopen(filename, append ? "a" : "w");
13644 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13645 if(f || errno != 13) break;
13646 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13650 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13651 DisplayError(buf, errno);
13654 safeStrCpy(buf, lastMsg, MSG_SIZ);
13655 DisplayMessage(_("Waiting for access to save file"), "");
13656 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13657 DisplayMessage(_("Saving game"), "");
13658 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13659 result = SaveGame(f, 0, NULL);
13660 DisplayMessage(buf, "");
13667 SavePart (char *str)
13669 static char buf[MSG_SIZ];
13672 p = strchr(str, ' ');
13673 if (p == NULL) return str;
13674 strncpy(buf, str, p - str);
13675 buf[p - str] = NULLCHAR;
13679 #define PGN_MAX_LINE 75
13681 #define PGN_SIDE_WHITE 0
13682 #define PGN_SIDE_BLACK 1
13685 FindFirstMoveOutOfBook (int side)
13689 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13690 int index = backwardMostMove;
13691 int has_book_hit = 0;
13693 if( (index % 2) != side ) {
13697 while( index < forwardMostMove ) {
13698 /* Check to see if engine is in book */
13699 int depth = pvInfoList[index].depth;
13700 int score = pvInfoList[index].score;
13706 else if( score == 0 && depth == 63 ) {
13707 in_book = 1; /* Zappa */
13709 else if( score == 2 && depth == 99 ) {
13710 in_book = 1; /* Abrok */
13713 has_book_hit += in_book;
13729 GetOutOfBookInfo (char * buf)
13733 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13735 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13736 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13740 if( oob[0] >= 0 || oob[1] >= 0 ) {
13741 for( i=0; i<2; i++ ) {
13745 if( i > 0 && oob[0] >= 0 ) {
13746 strcat( buf, " " );
13749 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13750 sprintf( buf+strlen(buf), "%s%.2f",
13751 pvInfoList[idx].score >= 0 ? "+" : "",
13752 pvInfoList[idx].score / 100.0 );
13758 /* Save game in PGN style */
13760 SaveGamePGN2 (FILE *f)
13762 int i, offset, linelen, newblock;
13765 int movelen, numlen, blank;
13766 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13768 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13770 PrintPGNTags(f, &gameInfo);
13772 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13774 if (backwardMostMove > 0 || startedFromSetupPosition) {
13775 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13776 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13777 fprintf(f, "\n{--------------\n");
13778 PrintPosition(f, backwardMostMove);
13779 fprintf(f, "--------------}\n");
13783 /* [AS] Out of book annotation */
13784 if( appData.saveOutOfBookInfo ) {
13787 GetOutOfBookInfo( buf );
13789 if( buf[0] != '\0' ) {
13790 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13797 i = backwardMostMove;
13801 while (i < forwardMostMove) {
13802 /* Print comments preceding this move */
13803 if (commentList[i] != NULL) {
13804 if (linelen > 0) fprintf(f, "\n");
13805 fprintf(f, "%s", commentList[i]);
13810 /* Format move number */
13812 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13815 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13817 numtext[0] = NULLCHAR;
13819 numlen = strlen(numtext);
13822 /* Print move number */
13823 blank = linelen > 0 && numlen > 0;
13824 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13833 fprintf(f, "%s", numtext);
13837 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13838 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13841 blank = linelen > 0 && movelen > 0;
13842 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13851 fprintf(f, "%s", move_buffer);
13852 linelen += movelen;
13854 /* [AS] Add PV info if present */
13855 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13856 /* [HGM] add time */
13857 char buf[MSG_SIZ]; int seconds;
13859 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13865 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13868 seconds = (seconds + 4)/10; // round to full seconds
13870 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13872 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13875 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13876 pvInfoList[i].score >= 0 ? "+" : "",
13877 pvInfoList[i].score / 100.0,
13878 pvInfoList[i].depth,
13881 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13883 /* Print score/depth */
13884 blank = linelen > 0 && movelen > 0;
13885 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13894 fprintf(f, "%s", move_buffer);
13895 linelen += movelen;
13901 /* Start a new line */
13902 if (linelen > 0) fprintf(f, "\n");
13904 /* Print comments after last move */
13905 if (commentList[i] != NULL) {
13906 fprintf(f, "%s\n", commentList[i]);
13910 if (gameInfo.resultDetails != NULL &&
13911 gameInfo.resultDetails[0] != NULLCHAR) {
13912 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13913 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13914 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13915 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13916 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13918 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13922 /* Save game in PGN style and close the file */
13924 SaveGamePGN (FILE *f)
13928 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13932 /* Save game in old style and close the file */
13934 SaveGameOldStyle (FILE *f)
13939 tm = time((time_t *) NULL);
13941 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13944 if (backwardMostMove > 0 || startedFromSetupPosition) {
13945 fprintf(f, "\n[--------------\n");
13946 PrintPosition(f, backwardMostMove);
13947 fprintf(f, "--------------]\n");
13952 i = backwardMostMove;
13953 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13955 while (i < forwardMostMove) {
13956 if (commentList[i] != NULL) {
13957 fprintf(f, "[%s]\n", commentList[i]);
13960 if ((i % 2) == 1) {
13961 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13964 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13966 if (commentList[i] != NULL) {
13970 if (i >= forwardMostMove) {
13974 fprintf(f, "%s\n", parseList[i]);
13979 if (commentList[i] != NULL) {
13980 fprintf(f, "[%s]\n", commentList[i]);
13983 /* This isn't really the old style, but it's close enough */
13984 if (gameInfo.resultDetails != NULL &&
13985 gameInfo.resultDetails[0] != NULLCHAR) {
13986 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13987 gameInfo.resultDetails);
13989 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13996 /* Save the current game to open file f and close the file */
13998 SaveGame (FILE *f, int dummy, char *dummy2)
14000 if (gameMode == EditPosition) EditPositionDone(TRUE);
14001 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14002 if (appData.oldSaveStyle)
14003 return SaveGameOldStyle(f);
14005 return SaveGamePGN(f);
14008 /* Save the current position to the given file */
14010 SavePositionToFile (char *filename)
14015 if (strcmp(filename, "-") == 0) {
14016 return SavePosition(stdout, 0, NULL);
14018 f = fopen(filename, "a");
14020 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14021 DisplayError(buf, errno);
14024 safeStrCpy(buf, lastMsg, MSG_SIZ);
14025 DisplayMessage(_("Waiting for access to save file"), "");
14026 flock(fileno(f), LOCK_EX); // [HGM] lock
14027 DisplayMessage(_("Saving position"), "");
14028 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14029 SavePosition(f, 0, NULL);
14030 DisplayMessage(buf, "");
14036 /* Save the current position to the given open file and close the file */
14038 SavePosition (FILE *f, int dummy, char *dummy2)
14043 if (gameMode == EditPosition) EditPositionDone(TRUE);
14044 if (appData.oldSaveStyle) {
14045 tm = time((time_t *) NULL);
14047 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14049 fprintf(f, "[--------------\n");
14050 PrintPosition(f, currentMove);
14051 fprintf(f, "--------------]\n");
14053 fen = PositionToFEN(currentMove, NULL, 1);
14054 fprintf(f, "%s\n", fen);
14062 ReloadCmailMsgEvent (int unregister)
14065 static char *inFilename = NULL;
14066 static char *outFilename;
14068 struct stat inbuf, outbuf;
14071 /* Any registered moves are unregistered if unregister is set, */
14072 /* i.e. invoked by the signal handler */
14074 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14075 cmailMoveRegistered[i] = FALSE;
14076 if (cmailCommentList[i] != NULL) {
14077 free(cmailCommentList[i]);
14078 cmailCommentList[i] = NULL;
14081 nCmailMovesRegistered = 0;
14084 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14085 cmailResult[i] = CMAIL_NOT_RESULT;
14089 if (inFilename == NULL) {
14090 /* Because the filenames are static they only get malloced once */
14091 /* and they never get freed */
14092 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14093 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14095 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14096 sprintf(outFilename, "%s.out", appData.cmailGameName);
14099 status = stat(outFilename, &outbuf);
14101 cmailMailedMove = FALSE;
14103 status = stat(inFilename, &inbuf);
14104 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14107 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14108 counts the games, notes how each one terminated, etc.
14110 It would be nice to remove this kludge and instead gather all
14111 the information while building the game list. (And to keep it
14112 in the game list nodes instead of having a bunch of fixed-size
14113 parallel arrays.) Note this will require getting each game's
14114 termination from the PGN tags, as the game list builder does
14115 not process the game moves. --mann
14117 cmailMsgLoaded = TRUE;
14118 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14120 /* Load first game in the file or popup game menu */
14121 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14123 #endif /* !WIN32 */
14131 char string[MSG_SIZ];
14133 if ( cmailMailedMove
14134 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14135 return TRUE; /* Allow free viewing */
14138 /* Unregister move to ensure that we don't leave RegisterMove */
14139 /* with the move registered when the conditions for registering no */
14141 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14142 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14143 nCmailMovesRegistered --;
14145 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14147 free(cmailCommentList[lastLoadGameNumber - 1]);
14148 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14152 if (cmailOldMove == -1) {
14153 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14157 if (currentMove > cmailOldMove + 1) {
14158 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14162 if (currentMove < cmailOldMove) {
14163 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14167 if (forwardMostMove > currentMove) {
14168 /* Silently truncate extra moves */
14172 if ( (currentMove == cmailOldMove + 1)
14173 || ( (currentMove == cmailOldMove)
14174 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14175 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14176 if (gameInfo.result != GameUnfinished) {
14177 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14180 if (commentList[currentMove] != NULL) {
14181 cmailCommentList[lastLoadGameNumber - 1]
14182 = StrSave(commentList[currentMove]);
14184 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14186 if (appData.debugMode)
14187 fprintf(debugFP, "Saving %s for game %d\n",
14188 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14190 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14192 f = fopen(string, "w");
14193 if (appData.oldSaveStyle) {
14194 SaveGameOldStyle(f); /* also closes the file */
14196 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14197 f = fopen(string, "w");
14198 SavePosition(f, 0, NULL); /* also closes the file */
14200 fprintf(f, "{--------------\n");
14201 PrintPosition(f, currentMove);
14202 fprintf(f, "--------------}\n\n");
14204 SaveGame(f, 0, NULL); /* also closes the file*/
14207 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14208 nCmailMovesRegistered ++;
14209 } else if (nCmailGames == 1) {
14210 DisplayError(_("You have not made a move yet"), 0);
14221 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14222 FILE *commandOutput;
14223 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14224 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14230 if (! cmailMsgLoaded) {
14231 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14235 if (nCmailGames == nCmailResults) {
14236 DisplayError(_("No unfinished games"), 0);
14240 #if CMAIL_PROHIBIT_REMAIL
14241 if (cmailMailedMove) {
14242 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);
14243 DisplayError(msg, 0);
14248 if (! (cmailMailedMove || RegisterMove())) return;
14250 if ( cmailMailedMove
14251 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14252 snprintf(string, MSG_SIZ, partCommandString,
14253 appData.debugMode ? " -v" : "", appData.cmailGameName);
14254 commandOutput = popen(string, "r");
14256 if (commandOutput == NULL) {
14257 DisplayError(_("Failed to invoke cmail"), 0);
14259 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14260 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14262 if (nBuffers > 1) {
14263 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14264 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14265 nBytes = MSG_SIZ - 1;
14267 (void) memcpy(msg, buffer, nBytes);
14269 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14271 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14272 cmailMailedMove = TRUE; /* Prevent >1 moves */
14275 for (i = 0; i < nCmailGames; i ++) {
14276 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14281 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14283 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14285 appData.cmailGameName,
14287 LoadGameFromFile(buffer, 1, buffer, FALSE);
14288 cmailMsgLoaded = FALSE;
14292 DisplayInformation(msg);
14293 pclose(commandOutput);
14296 if ((*cmailMsg) != '\0') {
14297 DisplayInformation(cmailMsg);
14302 #endif /* !WIN32 */
14311 int prependComma = 0;
14313 char string[MSG_SIZ]; /* Space for game-list */
14316 if (!cmailMsgLoaded) return "";
14318 if (cmailMailedMove) {
14319 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14321 /* Create a list of games left */
14322 snprintf(string, MSG_SIZ, "[");
14323 for (i = 0; i < nCmailGames; i ++) {
14324 if (! ( cmailMoveRegistered[i]
14325 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14326 if (prependComma) {
14327 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14329 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14333 strcat(string, number);
14336 strcat(string, "]");
14338 if (nCmailMovesRegistered + nCmailResults == 0) {
14339 switch (nCmailGames) {
14341 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14345 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14349 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14354 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14356 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14361 if (nCmailResults == nCmailGames) {
14362 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14364 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14369 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14381 if (gameMode == Training)
14382 SetTrainingModeOff();
14385 cmailMsgLoaded = FALSE;
14386 if (appData.icsActive) {
14387 SendToICS(ics_prefix);
14388 SendToICS("refresh\n");
14393 ExitEvent (int status)
14397 /* Give up on clean exit */
14401 /* Keep trying for clean exit */
14405 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14406 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14408 if (telnetISR != NULL) {
14409 RemoveInputSource(telnetISR);
14411 if (icsPR != NoProc) {
14412 DestroyChildProcess(icsPR, TRUE);
14415 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14416 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14418 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14419 /* make sure this other one finishes before killing it! */
14420 if(endingGame) { int count = 0;
14421 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14422 while(endingGame && count++ < 10) DoSleep(1);
14423 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14426 /* Kill off chess programs */
14427 if (first.pr != NoProc) {
14430 DoSleep( appData.delayBeforeQuit );
14431 SendToProgram("quit\n", &first);
14432 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14434 if (second.pr != NoProc) {
14435 DoSleep( appData.delayBeforeQuit );
14436 SendToProgram("quit\n", &second);
14437 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14439 if (first.isr != NULL) {
14440 RemoveInputSource(first.isr);
14442 if (second.isr != NULL) {
14443 RemoveInputSource(second.isr);
14446 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14447 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14449 ShutDownFrontEnd();
14454 PauseEngine (ChessProgramState *cps)
14456 SendToProgram("pause\n", cps);
14461 UnPauseEngine (ChessProgramState *cps)
14463 SendToProgram("resume\n", cps);
14470 if (appData.debugMode)
14471 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14475 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14477 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14478 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14479 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14481 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14482 HandleMachineMove(stashedInputMove, stalledEngine);
14483 stalledEngine = NULL;
14486 if (gameMode == MachinePlaysWhite ||
14487 gameMode == TwoMachinesPlay ||
14488 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14489 if(first.pause) UnPauseEngine(&first);
14490 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14491 if(second.pause) UnPauseEngine(&second);
14492 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14495 DisplayBothClocks();
14497 if (gameMode == PlayFromGameFile) {
14498 if (appData.timeDelay >= 0)
14499 AutoPlayGameLoop();
14500 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14501 Reset(FALSE, TRUE);
14502 SendToICS(ics_prefix);
14503 SendToICS("refresh\n");
14504 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14505 ForwardInner(forwardMostMove);
14507 pauseExamInvalid = FALSE;
14509 switch (gameMode) {
14513 pauseExamForwardMostMove = forwardMostMove;
14514 pauseExamInvalid = FALSE;
14517 case IcsPlayingWhite:
14518 case IcsPlayingBlack:
14522 case PlayFromGameFile:
14523 (void) StopLoadGameTimer();
14527 case BeginningOfGame:
14528 if (appData.icsActive) return;
14529 /* else fall through */
14530 case MachinePlaysWhite:
14531 case MachinePlaysBlack:
14532 case TwoMachinesPlay:
14533 if (forwardMostMove == 0)
14534 return; /* don't pause if no one has moved */
14535 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14536 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14537 if(onMove->pause) { // thinking engine can be paused
14538 PauseEngine(onMove); // do it
14539 if(onMove->other->pause) // pondering opponent can always be paused immediately
14540 PauseEngine(onMove->other);
14542 SendToProgram("easy\n", onMove->other);
14544 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14545 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14547 PauseEngine(&first);
14549 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14550 } else { // human on move, pause pondering by either method
14552 PauseEngine(&first);
14553 else if(appData.ponderNextMove)
14554 SendToProgram("easy\n", &first);
14557 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14567 EditCommentEvent ()
14569 char title[MSG_SIZ];
14571 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14572 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14574 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14575 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14576 parseList[currentMove - 1]);
14579 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14586 char *tags = PGNTags(&gameInfo);
14588 EditTagsPopUp(tags, NULL);
14595 if(second.analyzing) {
14596 SendToProgram("exit\n", &second);
14597 second.analyzing = FALSE;
14599 if (second.pr == NoProc) StartChessProgram(&second);
14600 InitChessProgram(&second, FALSE);
14601 FeedMovesToProgram(&second, currentMove);
14603 SendToProgram("analyze\n", &second);
14604 second.analyzing = TRUE;
14608 /* Toggle ShowThinking */
14610 ToggleShowThinking()
14612 appData.showThinking = !appData.showThinking;
14613 ShowThinkingEvent();
14617 AnalyzeModeEvent ()
14621 if (!first.analysisSupport) {
14622 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14623 DisplayError(buf, 0);
14626 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14627 if (appData.icsActive) {
14628 if (gameMode != IcsObserving) {
14629 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14630 DisplayError(buf, 0);
14632 if (appData.icsEngineAnalyze) {
14633 if (appData.debugMode)
14634 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14640 /* if enable, user wants to disable icsEngineAnalyze */
14641 if (appData.icsEngineAnalyze) {
14646 appData.icsEngineAnalyze = TRUE;
14647 if (appData.debugMode)
14648 fprintf(debugFP, "ICS engine analyze starting... \n");
14651 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14652 if (appData.noChessProgram || gameMode == AnalyzeMode)
14655 if (gameMode != AnalyzeFile) {
14656 if (!appData.icsEngineAnalyze) {
14658 if (gameMode != EditGame) return 0;
14660 if (!appData.showThinking) ToggleShowThinking();
14661 ResurrectChessProgram();
14662 SendToProgram("analyze\n", &first);
14663 first.analyzing = TRUE;
14664 /*first.maybeThinking = TRUE;*/
14665 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14666 EngineOutputPopUp();
14668 if (!appData.icsEngineAnalyze) {
14669 gameMode = AnalyzeMode;
14670 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14676 StartAnalysisClock();
14677 GetTimeMark(&lastNodeCountTime);
14683 AnalyzeFileEvent ()
14685 if (appData.noChessProgram || gameMode == AnalyzeFile)
14688 if (!first.analysisSupport) {
14690 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14691 DisplayError(buf, 0);
14695 if (gameMode != AnalyzeMode) {
14696 keepInfo = 1; // mere annotating should not alter PGN tags
14699 if (gameMode != EditGame) return;
14700 if (!appData.showThinking) ToggleShowThinking();
14701 ResurrectChessProgram();
14702 SendToProgram("analyze\n", &first);
14703 first.analyzing = TRUE;
14704 /*first.maybeThinking = TRUE;*/
14705 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14706 EngineOutputPopUp();
14708 gameMode = AnalyzeFile;
14712 StartAnalysisClock();
14713 GetTimeMark(&lastNodeCountTime);
14715 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14716 AnalysisPeriodicEvent(1);
14720 MachineWhiteEvent ()
14723 char *bookHit = NULL;
14725 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14729 if (gameMode == PlayFromGameFile ||
14730 gameMode == TwoMachinesPlay ||
14731 gameMode == Training ||
14732 gameMode == AnalyzeMode ||
14733 gameMode == EndOfGame)
14736 if (gameMode == EditPosition)
14737 EditPositionDone(TRUE);
14739 if (!WhiteOnMove(currentMove)) {
14740 DisplayError(_("It is not White's turn"), 0);
14744 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14747 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14748 gameMode == AnalyzeFile)
14751 ResurrectChessProgram(); /* in case it isn't running */
14752 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14753 gameMode = MachinePlaysWhite;
14756 gameMode = MachinePlaysWhite;
14760 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14762 if (first.sendName) {
14763 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14764 SendToProgram(buf, &first);
14766 if (first.sendTime) {
14767 if (first.useColors) {
14768 SendToProgram("black\n", &first); /*gnu kludge*/
14770 SendTimeRemaining(&first, TRUE);
14772 if (first.useColors) {
14773 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14775 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14776 SetMachineThinkingEnables();
14777 first.maybeThinking = TRUE;
14781 if (appData.autoFlipView && !flipView) {
14782 flipView = !flipView;
14783 DrawPosition(FALSE, NULL);
14784 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14787 if(bookHit) { // [HGM] book: simulate book reply
14788 static char bookMove[MSG_SIZ]; // a bit generous?
14790 programStats.nodes = programStats.depth = programStats.time =
14791 programStats.score = programStats.got_only_move = 0;
14792 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14794 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14795 strcat(bookMove, bookHit);
14796 HandleMachineMove(bookMove, &first);
14801 MachineBlackEvent ()
14804 char *bookHit = NULL;
14806 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14810 if (gameMode == PlayFromGameFile ||
14811 gameMode == TwoMachinesPlay ||
14812 gameMode == Training ||
14813 gameMode == AnalyzeMode ||
14814 gameMode == EndOfGame)
14817 if (gameMode == EditPosition)
14818 EditPositionDone(TRUE);
14820 if (WhiteOnMove(currentMove)) {
14821 DisplayError(_("It is not Black's turn"), 0);
14825 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14828 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14829 gameMode == AnalyzeFile)
14832 ResurrectChessProgram(); /* in case it isn't running */
14833 gameMode = MachinePlaysBlack;
14837 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14839 if (first.sendName) {
14840 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14841 SendToProgram(buf, &first);
14843 if (first.sendTime) {
14844 if (first.useColors) {
14845 SendToProgram("white\n", &first); /*gnu kludge*/
14847 SendTimeRemaining(&first, FALSE);
14849 if (first.useColors) {
14850 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14852 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14853 SetMachineThinkingEnables();
14854 first.maybeThinking = TRUE;
14857 if (appData.autoFlipView && flipView) {
14858 flipView = !flipView;
14859 DrawPosition(FALSE, NULL);
14860 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14862 if(bookHit) { // [HGM] book: simulate book reply
14863 static char bookMove[MSG_SIZ]; // a bit generous?
14865 programStats.nodes = programStats.depth = programStats.time =
14866 programStats.score = programStats.got_only_move = 0;
14867 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14869 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14870 strcat(bookMove, bookHit);
14871 HandleMachineMove(bookMove, &first);
14877 DisplayTwoMachinesTitle ()
14880 if (appData.matchGames > 0) {
14881 if(appData.tourneyFile[0]) {
14882 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14883 gameInfo.white, _("vs."), gameInfo.black,
14884 nextGame+1, appData.matchGames+1,
14885 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14887 if (first.twoMachinesColor[0] == 'w') {
14888 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14889 gameInfo.white, _("vs."), gameInfo.black,
14890 first.matchWins, second.matchWins,
14891 matchGame - 1 - (first.matchWins + second.matchWins));
14893 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14894 gameInfo.white, _("vs."), gameInfo.black,
14895 second.matchWins, first.matchWins,
14896 matchGame - 1 - (first.matchWins + second.matchWins));
14899 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14905 SettingsMenuIfReady ()
14907 if (second.lastPing != second.lastPong) {
14908 DisplayMessage("", _("Waiting for second chess program"));
14909 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14913 DisplayMessage("", "");
14914 SettingsPopUp(&second);
14918 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14921 if (cps->pr == NoProc) {
14922 StartChessProgram(cps);
14923 if (cps->protocolVersion == 1) {
14925 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14927 /* kludge: allow timeout for initial "feature" command */
14928 if(retry != TwoMachinesEventIfReady) FreezeUI();
14929 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14930 DisplayMessage("", buf);
14931 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14939 TwoMachinesEvent P((void))
14943 ChessProgramState *onmove;
14944 char *bookHit = NULL;
14945 static int stalling = 0;
14949 if (appData.noChessProgram) return;
14951 switch (gameMode) {
14952 case TwoMachinesPlay:
14954 case MachinePlaysWhite:
14955 case MachinePlaysBlack:
14956 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14957 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14961 case BeginningOfGame:
14962 case PlayFromGameFile:
14965 if (gameMode != EditGame) return;
14968 EditPositionDone(TRUE);
14979 // forwardMostMove = currentMove;
14980 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14981 startingEngine = TRUE;
14983 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14985 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14986 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14987 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14990 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14992 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14993 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14994 startingEngine = matchMode = FALSE;
14995 DisplayError("second engine does not play this", 0);
14996 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14997 EditGameEvent(); // switch back to EditGame mode
15002 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15003 SendToProgram("force\n", &second);
15005 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15008 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15009 if(appData.matchPause>10000 || appData.matchPause<10)
15010 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15011 wait = SubtractTimeMarks(&now, &pauseStart);
15012 if(wait < appData.matchPause) {
15013 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15016 // we are now committed to starting the game
15018 DisplayMessage("", "");
15019 if (startedFromSetupPosition) {
15020 SendBoard(&second, backwardMostMove);
15021 if (appData.debugMode) {
15022 fprintf(debugFP, "Two Machines\n");
15025 for (i = backwardMostMove; i < forwardMostMove; i++) {
15026 SendMoveToProgram(i, &second);
15029 gameMode = TwoMachinesPlay;
15030 pausing = startingEngine = FALSE;
15031 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15033 DisplayTwoMachinesTitle();
15035 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15040 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15041 SendToProgram(first.computerString, &first);
15042 if (first.sendName) {
15043 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15044 SendToProgram(buf, &first);
15046 SendToProgram(second.computerString, &second);
15047 if (second.sendName) {
15048 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15049 SendToProgram(buf, &second);
15053 if (!first.sendTime || !second.sendTime) {
15054 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15055 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15057 if (onmove->sendTime) {
15058 if (onmove->useColors) {
15059 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15061 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15063 if (onmove->useColors) {
15064 SendToProgram(onmove->twoMachinesColor, onmove);
15066 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15067 // SendToProgram("go\n", onmove);
15068 onmove->maybeThinking = TRUE;
15069 SetMachineThinkingEnables();
15073 if(bookHit) { // [HGM] book: simulate book reply
15074 static char bookMove[MSG_SIZ]; // a bit generous?
15076 programStats.nodes = programStats.depth = programStats.time =
15077 programStats.score = programStats.got_only_move = 0;
15078 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15080 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15081 strcat(bookMove, bookHit);
15082 savedMessage = bookMove; // args for deferred call
15083 savedState = onmove;
15084 ScheduleDelayedEvent(DeferredBookMove, 1);
15091 if (gameMode == Training) {
15092 SetTrainingModeOff();
15093 gameMode = PlayFromGameFile;
15094 DisplayMessage("", _("Training mode off"));
15096 gameMode = Training;
15097 animateTraining = appData.animate;
15099 /* make sure we are not already at the end of the game */
15100 if (currentMove < forwardMostMove) {
15101 SetTrainingModeOn();
15102 DisplayMessage("", _("Training mode on"));
15104 gameMode = PlayFromGameFile;
15105 DisplayError(_("Already at end of game"), 0);
15114 if (!appData.icsActive) return;
15115 switch (gameMode) {
15116 case IcsPlayingWhite:
15117 case IcsPlayingBlack:
15120 case BeginningOfGame:
15128 EditPositionDone(TRUE);
15141 gameMode = IcsIdle;
15151 switch (gameMode) {
15153 SetTrainingModeOff();
15155 case MachinePlaysWhite:
15156 case MachinePlaysBlack:
15157 case BeginningOfGame:
15158 SendToProgram("force\n", &first);
15159 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15160 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15162 abortEngineThink = TRUE;
15163 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15164 SendToProgram(buf, &first);
15165 DisplayMessage("Aborting engine think", "");
15169 SetUserThinkingEnables();
15171 case PlayFromGameFile:
15172 (void) StopLoadGameTimer();
15173 if (gameFileFP != NULL) {
15178 EditPositionDone(TRUE);
15183 SendToProgram("force\n", &first);
15185 case TwoMachinesPlay:
15186 GameEnds(EndOfFile, NULL, GE_PLAYER);
15187 ResurrectChessProgram();
15188 SetUserThinkingEnables();
15191 ResurrectChessProgram();
15193 case IcsPlayingBlack:
15194 case IcsPlayingWhite:
15195 DisplayError(_("Warning: You are still playing a game"), 0);
15198 DisplayError(_("Warning: You are still observing a game"), 0);
15201 DisplayError(_("Warning: You are still examining a game"), 0);
15212 first.offeredDraw = second.offeredDraw = 0;
15214 if (gameMode == PlayFromGameFile) {
15215 whiteTimeRemaining = timeRemaining[0][currentMove];
15216 blackTimeRemaining = timeRemaining[1][currentMove];
15220 if (gameMode == MachinePlaysWhite ||
15221 gameMode == MachinePlaysBlack ||
15222 gameMode == TwoMachinesPlay ||
15223 gameMode == EndOfGame) {
15224 i = forwardMostMove;
15225 while (i > currentMove) {
15226 SendToProgram("undo\n", &first);
15229 if(!adjustedClock) {
15230 whiteTimeRemaining = timeRemaining[0][currentMove];
15231 blackTimeRemaining = timeRemaining[1][currentMove];
15232 DisplayBothClocks();
15234 if (whiteFlag || blackFlag) {
15235 whiteFlag = blackFlag = 0;
15240 gameMode = EditGame;
15247 EditPositionEvent ()
15249 if (gameMode == EditPosition) {
15255 if (gameMode != EditGame) return;
15257 gameMode = EditPosition;
15260 if (currentMove > 0)
15261 CopyBoard(boards[0], boards[currentMove]);
15263 blackPlaysFirst = !WhiteOnMove(currentMove);
15265 currentMove = forwardMostMove = backwardMostMove = 0;
15266 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15268 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15274 /* [DM] icsEngineAnalyze - possible call from other functions */
15275 if (appData.icsEngineAnalyze) {
15276 appData.icsEngineAnalyze = FALSE;
15278 DisplayMessage("",_("Close ICS engine analyze..."));
15280 if (first.analysisSupport && first.analyzing) {
15281 SendToBoth("exit\n");
15282 first.analyzing = second.analyzing = FALSE;
15284 thinkOutput[0] = NULLCHAR;
15288 EditPositionDone (Boolean fakeRights)
15290 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15292 startedFromSetupPosition = TRUE;
15293 InitChessProgram(&first, FALSE);
15294 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15295 boards[0][EP_STATUS] = EP_NONE;
15296 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15297 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15298 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15299 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15300 } else boards[0][CASTLING][2] = NoRights;
15301 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15302 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15303 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15304 } else boards[0][CASTLING][5] = NoRights;
15305 if(gameInfo.variant == VariantSChess) {
15307 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15308 boards[0][VIRGIN][i] = 0;
15309 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15310 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15314 SendToProgram("force\n", &first);
15315 if (blackPlaysFirst) {
15316 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15317 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15318 currentMove = forwardMostMove = backwardMostMove = 1;
15319 CopyBoard(boards[1], boards[0]);
15321 currentMove = forwardMostMove = backwardMostMove = 0;
15323 SendBoard(&first, forwardMostMove);
15324 if (appData.debugMode) {
15325 fprintf(debugFP, "EditPosDone\n");
15328 DisplayMessage("", "");
15329 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15330 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15331 gameMode = EditGame;
15333 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15334 ClearHighlights(); /* [AS] */
15337 /* Pause for `ms' milliseconds */
15338 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15340 TimeDelay (long ms)
15347 } while (SubtractTimeMarks(&m2, &m1) < ms);
15350 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15352 SendMultiLineToICS (char *buf)
15354 char temp[MSG_SIZ+1], *p;
15361 strncpy(temp, buf, len);
15366 if (*p == '\n' || *p == '\r')
15371 strcat(temp, "\n");
15373 SendToPlayer(temp, strlen(temp));
15377 SetWhiteToPlayEvent ()
15379 if (gameMode == EditPosition) {
15380 blackPlaysFirst = FALSE;
15381 DisplayBothClocks(); /* works because currentMove is 0 */
15382 } else if (gameMode == IcsExamining) {
15383 SendToICS(ics_prefix);
15384 SendToICS("tomove white\n");
15389 SetBlackToPlayEvent ()
15391 if (gameMode == EditPosition) {
15392 blackPlaysFirst = TRUE;
15393 currentMove = 1; /* kludge */
15394 DisplayBothClocks();
15396 } else if (gameMode == IcsExamining) {
15397 SendToICS(ics_prefix);
15398 SendToICS("tomove black\n");
15403 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15406 ChessSquare piece = boards[0][y][x];
15407 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15408 static int lastVariant;
15410 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15412 switch (selection) {
15414 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15415 MarkTargetSquares(1);
15416 CopyBoard(currentBoard, boards[0]);
15417 CopyBoard(menuBoard, initialPosition);
15418 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15419 SendToICS(ics_prefix);
15420 SendToICS("bsetup clear\n");
15421 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15422 SendToICS(ics_prefix);
15423 SendToICS("clearboard\n");
15426 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15427 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15428 for (y = 0; y < BOARD_HEIGHT; y++) {
15429 if (gameMode == IcsExamining) {
15430 if (boards[currentMove][y][x] != EmptySquare) {
15431 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15435 } else if(boards[0][y][x] != DarkSquare) {
15436 if(boards[0][y][x] != p) nonEmpty++;
15437 boards[0][y][x] = p;
15441 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15443 for(r = 0; r < BOARD_HEIGHT; r++) {
15444 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15445 ChessSquare p = menuBoard[r][x];
15446 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15449 DisplayMessage("Clicking clock again restores position", "");
15450 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15451 if(!nonEmpty) { // asked to clear an empty board
15452 CopyBoard(boards[0], menuBoard);
15454 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15455 CopyBoard(boards[0], initialPosition);
15457 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15458 && !CompareBoards(nullBoard, erasedBoard)) {
15459 CopyBoard(boards[0], erasedBoard);
15461 CopyBoard(erasedBoard, currentBoard);
15465 if (gameMode == EditPosition) {
15466 DrawPosition(FALSE, boards[0]);
15471 SetWhiteToPlayEvent();
15475 SetBlackToPlayEvent();
15479 if (gameMode == IcsExamining) {
15480 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15481 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15484 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15485 if(x == BOARD_LEFT-2) {
15486 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15487 boards[0][y][1] = 0;
15489 if(x == BOARD_RGHT+1) {
15490 if(y >= gameInfo.holdingsSize) break;
15491 boards[0][y][BOARD_WIDTH-2] = 0;
15494 boards[0][y][x] = EmptySquare;
15495 DrawPosition(FALSE, boards[0]);
15500 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15501 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15502 selection = (ChessSquare) (PROMOTED(piece));
15503 } else if(piece == EmptySquare) selection = WhiteSilver;
15504 else selection = (ChessSquare)((int)piece - 1);
15508 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15509 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15510 selection = (ChessSquare) (DEMOTED(piece));
15511 } else if(piece == EmptySquare) selection = BlackSilver;
15512 else selection = (ChessSquare)((int)piece + 1);
15517 if(gameInfo.variant == VariantShatranj ||
15518 gameInfo.variant == VariantXiangqi ||
15519 gameInfo.variant == VariantCourier ||
15520 gameInfo.variant == VariantASEAN ||
15521 gameInfo.variant == VariantMakruk )
15522 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15527 if(gameInfo.variant == VariantXiangqi)
15528 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15529 if(gameInfo.variant == VariantKnightmate)
15530 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15533 if (gameMode == IcsExamining) {
15534 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15535 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15536 PieceToChar(selection), AAA + x, ONE + y);
15539 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15541 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15542 n = PieceToNumber(selection - BlackPawn);
15543 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15544 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15545 boards[0][BOARD_HEIGHT-1-n][1]++;
15547 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15548 n = PieceToNumber(selection);
15549 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15550 boards[0][n][BOARD_WIDTH-1] = selection;
15551 boards[0][n][BOARD_WIDTH-2]++;
15554 boards[0][y][x] = selection;
15555 DrawPosition(TRUE, boards[0]);
15557 fromX = fromY = -1;
15565 DropMenuEvent (ChessSquare selection, int x, int y)
15567 ChessMove moveType;
15569 switch (gameMode) {
15570 case IcsPlayingWhite:
15571 case MachinePlaysBlack:
15572 if (!WhiteOnMove(currentMove)) {
15573 DisplayMoveError(_("It is Black's turn"));
15576 moveType = WhiteDrop;
15578 case IcsPlayingBlack:
15579 case MachinePlaysWhite:
15580 if (WhiteOnMove(currentMove)) {
15581 DisplayMoveError(_("It is White's turn"));
15584 moveType = BlackDrop;
15587 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15593 if (moveType == BlackDrop && selection < BlackPawn) {
15594 selection = (ChessSquare) ((int) selection
15595 + (int) BlackPawn - (int) WhitePawn);
15597 if (boards[currentMove][y][x] != EmptySquare) {
15598 DisplayMoveError(_("That square is occupied"));
15602 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15608 /* Accept a pending offer of any kind from opponent */
15610 if (appData.icsActive) {
15611 SendToICS(ics_prefix);
15612 SendToICS("accept\n");
15613 } else if (cmailMsgLoaded) {
15614 if (currentMove == cmailOldMove &&
15615 commentList[cmailOldMove] != NULL &&
15616 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15617 "Black offers a draw" : "White offers a draw")) {
15619 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15620 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15622 DisplayError(_("There is no pending offer on this move"), 0);
15623 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15626 /* Not used for offers from chess program */
15633 /* Decline a pending offer of any kind from opponent */
15635 if (appData.icsActive) {
15636 SendToICS(ics_prefix);
15637 SendToICS("decline\n");
15638 } else if (cmailMsgLoaded) {
15639 if (currentMove == cmailOldMove &&
15640 commentList[cmailOldMove] != NULL &&
15641 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15642 "Black offers a draw" : "White offers a draw")) {
15644 AppendComment(cmailOldMove, "Draw declined", TRUE);
15645 DisplayComment(cmailOldMove - 1, "Draw declined");
15648 DisplayError(_("There is no pending offer on this move"), 0);
15651 /* Not used for offers from chess program */
15658 /* Issue ICS rematch command */
15659 if (appData.icsActive) {
15660 SendToICS(ics_prefix);
15661 SendToICS("rematch\n");
15668 /* Call your opponent's flag (claim a win on time) */
15669 if (appData.icsActive) {
15670 SendToICS(ics_prefix);
15671 SendToICS("flag\n");
15673 switch (gameMode) {
15676 case MachinePlaysWhite:
15679 GameEnds(GameIsDrawn, "Both players ran out of time",
15682 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15684 DisplayError(_("Your opponent is not out of time"), 0);
15687 case MachinePlaysBlack:
15690 GameEnds(GameIsDrawn, "Both players ran out of time",
15693 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15695 DisplayError(_("Your opponent is not out of time"), 0);
15703 ClockClick (int which)
15704 { // [HGM] code moved to back-end from winboard.c
15705 if(which) { // black clock
15706 if (gameMode == EditPosition || gameMode == IcsExamining) {
15707 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15708 SetBlackToPlayEvent();
15709 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15710 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15711 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15712 } else if (shiftKey) {
15713 AdjustClock(which, -1);
15714 } else if (gameMode == IcsPlayingWhite ||
15715 gameMode == MachinePlaysBlack) {
15718 } else { // white clock
15719 if (gameMode == EditPosition || gameMode == IcsExamining) {
15720 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15721 SetWhiteToPlayEvent();
15722 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15723 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15724 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15725 } else if (shiftKey) {
15726 AdjustClock(which, -1);
15727 } else if (gameMode == IcsPlayingBlack ||
15728 gameMode == MachinePlaysWhite) {
15737 /* Offer draw or accept pending draw offer from opponent */
15739 if (appData.icsActive) {
15740 /* Note: tournament rules require draw offers to be
15741 made after you make your move but before you punch
15742 your clock. Currently ICS doesn't let you do that;
15743 instead, you immediately punch your clock after making
15744 a move, but you can offer a draw at any time. */
15746 SendToICS(ics_prefix);
15747 SendToICS("draw\n");
15748 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15749 } else if (cmailMsgLoaded) {
15750 if (currentMove == cmailOldMove &&
15751 commentList[cmailOldMove] != NULL &&
15752 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15753 "Black offers a draw" : "White offers a draw")) {
15754 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15755 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15756 } else if (currentMove == cmailOldMove + 1) {
15757 char *offer = WhiteOnMove(cmailOldMove) ?
15758 "White offers a draw" : "Black offers a draw";
15759 AppendComment(currentMove, offer, TRUE);
15760 DisplayComment(currentMove - 1, offer);
15761 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15763 DisplayError(_("You must make your move before offering a draw"), 0);
15764 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15766 } else if (first.offeredDraw) {
15767 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15769 if (first.sendDrawOffers) {
15770 SendToProgram("draw\n", &first);
15771 userOfferedDraw = TRUE;
15779 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15781 if (appData.icsActive) {
15782 SendToICS(ics_prefix);
15783 SendToICS("adjourn\n");
15785 /* Currently GNU Chess doesn't offer or accept Adjourns */
15793 /* Offer Abort or accept pending Abort offer from opponent */
15795 if (appData.icsActive) {
15796 SendToICS(ics_prefix);
15797 SendToICS("abort\n");
15799 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15806 /* Resign. You can do this even if it's not your turn. */
15808 if (appData.icsActive) {
15809 SendToICS(ics_prefix);
15810 SendToICS("resign\n");
15812 switch (gameMode) {
15813 case MachinePlaysWhite:
15814 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15816 case MachinePlaysBlack:
15817 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15820 if (cmailMsgLoaded) {
15822 if (WhiteOnMove(cmailOldMove)) {
15823 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15825 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15827 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15838 StopObservingEvent ()
15840 /* Stop observing current games */
15841 SendToICS(ics_prefix);
15842 SendToICS("unobserve\n");
15846 StopExaminingEvent ()
15848 /* Stop observing current game */
15849 SendToICS(ics_prefix);
15850 SendToICS("unexamine\n");
15854 ForwardInner (int target)
15856 int limit; int oldSeekGraphUp = seekGraphUp;
15858 if (appData.debugMode)
15859 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15860 target, currentMove, forwardMostMove);
15862 if (gameMode == EditPosition)
15865 seekGraphUp = FALSE;
15866 MarkTargetSquares(1);
15867 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15869 if (gameMode == PlayFromGameFile && !pausing)
15872 if (gameMode == IcsExamining && pausing)
15873 limit = pauseExamForwardMostMove;
15875 limit = forwardMostMove;
15877 if (target > limit) target = limit;
15879 if (target > 0 && moveList[target - 1][0]) {
15880 int fromX, fromY, toX, toY;
15881 toX = moveList[target - 1][2] - AAA;
15882 toY = moveList[target - 1][3] - ONE;
15883 if (moveList[target - 1][1] == '@') {
15884 if (appData.highlightLastMove) {
15885 SetHighlights(-1, -1, toX, toY);
15888 fromX = moveList[target - 1][0] - AAA;
15889 fromY = moveList[target - 1][1] - ONE;
15890 if (target == currentMove + 1) {
15891 if(moveList[target - 1][4] == ';') { // multi-leg
15892 killX = moveList[target - 1][5] - AAA;
15893 killY = moveList[target - 1][6] - ONE;
15895 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15896 killX = killY = -1;
15898 if (appData.highlightLastMove) {
15899 SetHighlights(fromX, fromY, toX, toY);
15903 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15904 gameMode == Training || gameMode == PlayFromGameFile ||
15905 gameMode == AnalyzeFile) {
15906 while (currentMove < target) {
15907 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15908 SendMoveToProgram(currentMove++, &first);
15911 currentMove = target;
15914 if (gameMode == EditGame || gameMode == EndOfGame) {
15915 whiteTimeRemaining = timeRemaining[0][currentMove];
15916 blackTimeRemaining = timeRemaining[1][currentMove];
15918 DisplayBothClocks();
15919 DisplayMove(currentMove - 1);
15920 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15921 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15922 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15923 DisplayComment(currentMove - 1, commentList[currentMove]);
15925 ClearMap(); // [HGM] exclude: invalidate map
15932 if (gameMode == IcsExamining && !pausing) {
15933 SendToICS(ics_prefix);
15934 SendToICS("forward\n");
15936 ForwardInner(currentMove + 1);
15943 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15944 /* to optimze, we temporarily turn off analysis mode while we feed
15945 * the remaining moves to the engine. Otherwise we get analysis output
15948 if (first.analysisSupport) {
15949 SendToProgram("exit\nforce\n", &first);
15950 first.analyzing = FALSE;
15954 if (gameMode == IcsExamining && !pausing) {
15955 SendToICS(ics_prefix);
15956 SendToICS("forward 999999\n");
15958 ForwardInner(forwardMostMove);
15961 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15962 /* we have fed all the moves, so reactivate analysis mode */
15963 SendToProgram("analyze\n", &first);
15964 first.analyzing = TRUE;
15965 /*first.maybeThinking = TRUE;*/
15966 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15971 BackwardInner (int target)
15973 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15975 if (appData.debugMode)
15976 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15977 target, currentMove, forwardMostMove);
15979 if (gameMode == EditPosition) return;
15980 seekGraphUp = FALSE;
15981 MarkTargetSquares(1);
15982 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15983 if (currentMove <= backwardMostMove) {
15985 DrawPosition(full_redraw, boards[currentMove]);
15988 if (gameMode == PlayFromGameFile && !pausing)
15991 if (moveList[target][0]) {
15992 int fromX, fromY, toX, toY;
15993 toX = moveList[target][2] - AAA;
15994 toY = moveList[target][3] - ONE;
15995 if (moveList[target][1] == '@') {
15996 if (appData.highlightLastMove) {
15997 SetHighlights(-1, -1, toX, toY);
16000 fromX = moveList[target][0] - AAA;
16001 fromY = moveList[target][1] - ONE;
16002 if (target == currentMove - 1) {
16003 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16005 if (appData.highlightLastMove) {
16006 SetHighlights(fromX, fromY, toX, toY);
16010 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16011 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16012 while (currentMove > target) {
16013 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16014 // null move cannot be undone. Reload program with move history before it.
16016 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16017 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16019 SendBoard(&first, i);
16020 if(second.analyzing) SendBoard(&second, i);
16021 for(currentMove=i; currentMove<target; currentMove++) {
16022 SendMoveToProgram(currentMove, &first);
16023 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16027 SendToBoth("undo\n");
16031 currentMove = target;
16034 if (gameMode == EditGame || gameMode == EndOfGame) {
16035 whiteTimeRemaining = timeRemaining[0][currentMove];
16036 blackTimeRemaining = timeRemaining[1][currentMove];
16038 DisplayBothClocks();
16039 DisplayMove(currentMove - 1);
16040 DrawPosition(full_redraw, boards[currentMove]);
16041 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16042 // [HGM] PV info: routine tests if comment empty
16043 DisplayComment(currentMove - 1, commentList[currentMove]);
16044 ClearMap(); // [HGM] exclude: invalidate map
16050 if (gameMode == IcsExamining && !pausing) {
16051 SendToICS(ics_prefix);
16052 SendToICS("backward\n");
16054 BackwardInner(currentMove - 1);
16061 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16062 /* to optimize, we temporarily turn off analysis mode while we undo
16063 * all the moves. Otherwise we get analysis output after each undo.
16065 if (first.analysisSupport) {
16066 SendToProgram("exit\nforce\n", &first);
16067 first.analyzing = FALSE;
16071 if (gameMode == IcsExamining && !pausing) {
16072 SendToICS(ics_prefix);
16073 SendToICS("backward 999999\n");
16075 BackwardInner(backwardMostMove);
16078 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16079 /* we have fed all the moves, so reactivate analysis mode */
16080 SendToProgram("analyze\n", &first);
16081 first.analyzing = TRUE;
16082 /*first.maybeThinking = TRUE;*/
16083 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16090 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16091 if (to >= forwardMostMove) to = forwardMostMove;
16092 if (to <= backwardMostMove) to = backwardMostMove;
16093 if (to < currentMove) {
16101 RevertEvent (Boolean annotate)
16103 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16106 if (gameMode != IcsExamining) {
16107 DisplayError(_("You are not examining a game"), 0);
16111 DisplayError(_("You can't revert while pausing"), 0);
16114 SendToICS(ics_prefix);
16115 SendToICS("revert\n");
16119 RetractMoveEvent ()
16121 switch (gameMode) {
16122 case MachinePlaysWhite:
16123 case MachinePlaysBlack:
16124 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16125 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16128 if (forwardMostMove < 2) return;
16129 currentMove = forwardMostMove = forwardMostMove - 2;
16130 whiteTimeRemaining = timeRemaining[0][currentMove];
16131 blackTimeRemaining = timeRemaining[1][currentMove];
16132 DisplayBothClocks();
16133 DisplayMove(currentMove - 1);
16134 ClearHighlights();/*!! could figure this out*/
16135 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16136 SendToProgram("remove\n", &first);
16137 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16140 case BeginningOfGame:
16144 case IcsPlayingWhite:
16145 case IcsPlayingBlack:
16146 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16147 SendToICS(ics_prefix);
16148 SendToICS("takeback 2\n");
16150 SendToICS(ics_prefix);
16151 SendToICS("takeback 1\n");
16160 ChessProgramState *cps;
16162 switch (gameMode) {
16163 case MachinePlaysWhite:
16164 if (!WhiteOnMove(forwardMostMove)) {
16165 DisplayError(_("It is your turn"), 0);
16170 case MachinePlaysBlack:
16171 if (WhiteOnMove(forwardMostMove)) {
16172 DisplayError(_("It is your turn"), 0);
16177 case TwoMachinesPlay:
16178 if (WhiteOnMove(forwardMostMove) ==
16179 (first.twoMachinesColor[0] == 'w')) {
16185 case BeginningOfGame:
16189 SendToProgram("?\n", cps);
16193 TruncateGameEvent ()
16196 if (gameMode != EditGame) return;
16203 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16204 if (forwardMostMove > currentMove) {
16205 if (gameInfo.resultDetails != NULL) {
16206 free(gameInfo.resultDetails);
16207 gameInfo.resultDetails = NULL;
16208 gameInfo.result = GameUnfinished;
16210 forwardMostMove = currentMove;
16211 HistorySet(parseList, backwardMostMove, forwardMostMove,
16219 if (appData.noChessProgram) return;
16220 switch (gameMode) {
16221 case MachinePlaysWhite:
16222 if (WhiteOnMove(forwardMostMove)) {
16223 DisplayError(_("Wait until your turn."), 0);
16227 case BeginningOfGame:
16228 case MachinePlaysBlack:
16229 if (!WhiteOnMove(forwardMostMove)) {
16230 DisplayError(_("Wait until your turn."), 0);
16235 DisplayError(_("No hint available"), 0);
16238 SendToProgram("hint\n", &first);
16239 hintRequested = TRUE;
16243 SaveSelected (FILE *g, int dummy, char *dummy2)
16245 ListGame * lg = (ListGame *) gameList.head;
16249 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16250 DisplayError(_("Game list not loaded or empty"), 0);
16254 creatingBook = TRUE; // suppresses stuff during load game
16256 /* Get list size */
16257 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16258 if(lg->position >= 0) { // selected?
16259 LoadGame(f, nItem, "", TRUE);
16260 SaveGamePGN2(g); // leaves g open
16263 lg = (ListGame *) lg->node.succ;
16267 creatingBook = FALSE;
16275 ListGame * lg = (ListGame *) gameList.head;
16278 static int secondTime = FALSE;
16280 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16281 DisplayError(_("Game list not loaded or empty"), 0);
16285 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16288 DisplayNote(_("Book file exists! Try again for overwrite."));
16292 creatingBook = TRUE;
16293 secondTime = FALSE;
16295 /* Get list size */
16296 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16297 if(lg->position >= 0) {
16298 LoadGame(f, nItem, "", TRUE);
16299 AddGameToBook(TRUE);
16302 lg = (ListGame *) lg->node.succ;
16305 creatingBook = FALSE;
16312 if (appData.noChessProgram) return;
16313 switch (gameMode) {
16314 case MachinePlaysWhite:
16315 if (WhiteOnMove(forwardMostMove)) {
16316 DisplayError(_("Wait until your turn."), 0);
16320 case BeginningOfGame:
16321 case MachinePlaysBlack:
16322 if (!WhiteOnMove(forwardMostMove)) {
16323 DisplayError(_("Wait until your turn."), 0);
16328 EditPositionDone(TRUE);
16330 case TwoMachinesPlay:
16335 SendToProgram("bk\n", &first);
16336 bookOutput[0] = NULLCHAR;
16337 bookRequested = TRUE;
16343 char *tags = PGNTags(&gameInfo);
16344 TagsPopUp(tags, CmailMsg());
16348 /* end button procedures */
16351 PrintPosition (FILE *fp, int move)
16355 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16356 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16357 char c = PieceToChar(boards[move][i][j]);
16358 fputc(c == '?' ? '.' : c, fp);
16359 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16362 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16363 fprintf(fp, "white to play\n");
16365 fprintf(fp, "black to play\n");
16369 PrintOpponents (FILE *fp)
16371 if (gameInfo.white != NULL) {
16372 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16378 /* Find last component of program's own name, using some heuristics */
16380 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16383 int local = (strcmp(host, "localhost") == 0);
16384 while (!local && (p = strchr(prog, ';')) != NULL) {
16386 while (*p == ' ') p++;
16389 if (*prog == '"' || *prog == '\'') {
16390 q = strchr(prog + 1, *prog);
16392 q = strchr(prog, ' ');
16394 if (q == NULL) q = prog + strlen(prog);
16396 while (p >= prog && *p != '/' && *p != '\\') p--;
16398 if(p == prog && *p == '"') p++;
16400 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16401 memcpy(buf, p, q - p);
16402 buf[q - p] = NULLCHAR;
16410 TimeControlTagValue ()
16413 if (!appData.clockMode) {
16414 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16415 } else if (movesPerSession > 0) {
16416 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16417 } else if (timeIncrement == 0) {
16418 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16420 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16422 return StrSave(buf);
16428 /* This routine is used only for certain modes */
16429 VariantClass v = gameInfo.variant;
16430 ChessMove r = GameUnfinished;
16433 if(keepInfo) return;
16435 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16436 r = gameInfo.result;
16437 p = gameInfo.resultDetails;
16438 gameInfo.resultDetails = NULL;
16440 ClearGameInfo(&gameInfo);
16441 gameInfo.variant = v;
16443 switch (gameMode) {
16444 case MachinePlaysWhite:
16445 gameInfo.event = StrSave( appData.pgnEventHeader );
16446 gameInfo.site = StrSave(HostName());
16447 gameInfo.date = PGNDate();
16448 gameInfo.round = StrSave("-");
16449 gameInfo.white = StrSave(first.tidy);
16450 gameInfo.black = StrSave(UserName());
16451 gameInfo.timeControl = TimeControlTagValue();
16454 case MachinePlaysBlack:
16455 gameInfo.event = StrSave( appData.pgnEventHeader );
16456 gameInfo.site = StrSave(HostName());
16457 gameInfo.date = PGNDate();
16458 gameInfo.round = StrSave("-");
16459 gameInfo.white = StrSave(UserName());
16460 gameInfo.black = StrSave(first.tidy);
16461 gameInfo.timeControl = TimeControlTagValue();
16464 case TwoMachinesPlay:
16465 gameInfo.event = StrSave( appData.pgnEventHeader );
16466 gameInfo.site = StrSave(HostName());
16467 gameInfo.date = PGNDate();
16470 snprintf(buf, MSG_SIZ, "%d", roundNr);
16471 gameInfo.round = StrSave(buf);
16473 gameInfo.round = StrSave("-");
16475 if (first.twoMachinesColor[0] == 'w') {
16476 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16477 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16479 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16480 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16482 gameInfo.timeControl = TimeControlTagValue();
16486 gameInfo.event = StrSave("Edited game");
16487 gameInfo.site = StrSave(HostName());
16488 gameInfo.date = PGNDate();
16489 gameInfo.round = StrSave("-");
16490 gameInfo.white = StrSave("-");
16491 gameInfo.black = StrSave("-");
16492 gameInfo.result = r;
16493 gameInfo.resultDetails = p;
16497 gameInfo.event = StrSave("Edited position");
16498 gameInfo.site = StrSave(HostName());
16499 gameInfo.date = PGNDate();
16500 gameInfo.round = StrSave("-");
16501 gameInfo.white = StrSave("-");
16502 gameInfo.black = StrSave("-");
16505 case IcsPlayingWhite:
16506 case IcsPlayingBlack:
16511 case PlayFromGameFile:
16512 gameInfo.event = StrSave("Game from non-PGN file");
16513 gameInfo.site = StrSave(HostName());
16514 gameInfo.date = PGNDate();
16515 gameInfo.round = StrSave("-");
16516 gameInfo.white = StrSave("?");
16517 gameInfo.black = StrSave("?");
16526 ReplaceComment (int index, char *text)
16532 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16533 pvInfoList[index-1].depth == len &&
16534 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16535 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16536 while (*text == '\n') text++;
16537 len = strlen(text);
16538 while (len > 0 && text[len - 1] == '\n') len--;
16540 if (commentList[index] != NULL)
16541 free(commentList[index]);
16544 commentList[index] = NULL;
16547 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16548 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16549 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16550 commentList[index] = (char *) malloc(len + 2);
16551 strncpy(commentList[index], text, len);
16552 commentList[index][len] = '\n';
16553 commentList[index][len + 1] = NULLCHAR;
16555 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16557 commentList[index] = (char *) malloc(len + 7);
16558 safeStrCpy(commentList[index], "{\n", 3);
16559 safeStrCpy(commentList[index]+2, text, len+1);
16560 commentList[index][len+2] = NULLCHAR;
16561 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16562 strcat(commentList[index], "\n}\n");
16567 CrushCRs (char *text)
16575 if (ch == '\r') continue;
16577 } while (ch != '\0');
16581 AppendComment (int index, char *text, Boolean addBraces)
16582 /* addBraces tells if we should add {} */
16587 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16588 if(addBraces == 3) addBraces = 0; else // force appending literally
16589 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16592 while (*text == '\n') text++;
16593 len = strlen(text);
16594 while (len > 0 && text[len - 1] == '\n') len--;
16595 text[len] = NULLCHAR;
16597 if (len == 0) return;
16599 if (commentList[index] != NULL) {
16600 Boolean addClosingBrace = addBraces;
16601 old = commentList[index];
16602 oldlen = strlen(old);
16603 while(commentList[index][oldlen-1] == '\n')
16604 commentList[index][--oldlen] = NULLCHAR;
16605 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16606 safeStrCpy(commentList[index], old, oldlen + len + 6);
16608 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16609 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16610 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16611 while (*text == '\n') { text++; len--; }
16612 commentList[index][--oldlen] = NULLCHAR;
16614 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16615 else strcat(commentList[index], "\n");
16616 strcat(commentList[index], text);
16617 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16618 else strcat(commentList[index], "\n");
16620 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16622 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16623 else commentList[index][0] = NULLCHAR;
16624 strcat(commentList[index], text);
16625 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16626 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16631 FindStr (char * text, char * sub_text)
16633 char * result = strstr( text, sub_text );
16635 if( result != NULL ) {
16636 result += strlen( sub_text );
16642 /* [AS] Try to extract PV info from PGN comment */
16643 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16645 GetInfoFromComment (int index, char * text)
16647 char * sep = text, *p;
16649 if( text != NULL && index > 0 ) {
16652 int time = -1, sec = 0, deci;
16653 char * s_eval = FindStr( text, "[%eval " );
16654 char * s_emt = FindStr( text, "[%emt " );
16656 if( s_eval != NULL || s_emt != NULL ) {
16658 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16663 if( s_eval != NULL ) {
16664 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16668 if( delim != ']' ) {
16673 if( s_emt != NULL ) {
16678 /* We expect something like: [+|-]nnn.nn/dd */
16681 if(*text != '{') return text; // [HGM] braces: must be normal comment
16683 sep = strchr( text, '/' );
16684 if( sep == NULL || sep < (text+4) ) {
16689 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16690 if(p[1] == '(') { // comment starts with PV
16691 p = strchr(p, ')'); // locate end of PV
16692 if(p == NULL || sep < p+5) return text;
16693 // at this point we have something like "{(.*) +0.23/6 ..."
16694 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16695 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16696 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16698 time = -1; sec = -1; deci = -1;
16699 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16700 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16701 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16702 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16706 if( score_lo < 0 || score_lo >= 100 ) {
16710 if(sec >= 0) time = 600*time + 10*sec; else
16711 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16713 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16715 /* [HGM] PV time: now locate end of PV info */
16716 while( *++sep >= '0' && *sep <= '9'); // strip depth
16718 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16720 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16722 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16723 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16734 pvInfoList[index-1].depth = depth;
16735 pvInfoList[index-1].score = score;
16736 pvInfoList[index-1].time = 10*time; // centi-sec
16737 if(*sep == '}') *sep = 0; else *--sep = '{';
16738 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16744 SendToProgram (char *message, ChessProgramState *cps)
16746 int count, outCount, error;
16749 if (cps->pr == NoProc) return;
16752 if (appData.debugMode) {
16755 fprintf(debugFP, "%ld >%-6s: %s",
16756 SubtractTimeMarks(&now, &programStartTime),
16757 cps->which, message);
16759 fprintf(serverFP, "%ld >%-6s: %s",
16760 SubtractTimeMarks(&now, &programStartTime),
16761 cps->which, message), fflush(serverFP);
16764 count = strlen(message);
16765 outCount = OutputToProcess(cps->pr, message, count, &error);
16766 if (outCount < count && !exiting
16767 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16768 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16769 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16770 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16771 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16772 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16773 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16774 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16776 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16777 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16778 gameInfo.result = res;
16780 gameInfo.resultDetails = StrSave(buf);
16782 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16783 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16788 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16792 ChessProgramState *cps = (ChessProgramState *)closure;
16794 if (isr != cps->isr) return; /* Killed intentionally */
16797 RemoveInputSource(cps->isr);
16798 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16799 _(cps->which), cps->program);
16800 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16801 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16802 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16803 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16804 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16805 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16807 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16808 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16809 gameInfo.result = res;
16811 gameInfo.resultDetails = StrSave(buf);
16813 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16814 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16816 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16817 _(cps->which), cps->program);
16818 RemoveInputSource(cps->isr);
16820 /* [AS] Program is misbehaving badly... kill it */
16821 if( count == -2 ) {
16822 DestroyChildProcess( cps->pr, 9 );
16826 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16831 if ((end_str = strchr(message, '\r')) != NULL)
16832 *end_str = NULLCHAR;
16833 if ((end_str = strchr(message, '\n')) != NULL)
16834 *end_str = NULLCHAR;
16836 if (appData.debugMode) {
16837 TimeMark now; int print = 1;
16838 char *quote = ""; char c; int i;
16840 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16841 char start = message[0];
16842 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16843 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16844 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16845 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16846 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16847 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16848 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16849 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16850 sscanf(message, "hint: %c", &c)!=1 &&
16851 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16852 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16853 print = (appData.engineComments >= 2);
16855 message[0] = start; // restore original message
16859 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16860 SubtractTimeMarks(&now, &programStartTime), cps->which,
16864 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16865 SubtractTimeMarks(&now, &programStartTime), cps->which,
16867 message), fflush(serverFP);
16871 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16872 if (appData.icsEngineAnalyze) {
16873 if (strstr(message, "whisper") != NULL ||
16874 strstr(message, "kibitz") != NULL ||
16875 strstr(message, "tellics") != NULL) return;
16878 HandleMachineMove(message, cps);
16883 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16888 if( timeControl_2 > 0 ) {
16889 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16890 tc = timeControl_2;
16893 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16894 inc /= cps->timeOdds;
16895 st /= cps->timeOdds;
16897 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16900 /* Set exact time per move, normally using st command */
16901 if (cps->stKludge) {
16902 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16904 if (seconds == 0) {
16905 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16907 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16910 snprintf(buf, MSG_SIZ, "st %d\n", st);
16913 /* Set conventional or incremental time control, using level command */
16914 if (seconds == 0) {
16915 /* Note old gnuchess bug -- minutes:seconds used to not work.
16916 Fixed in later versions, but still avoid :seconds
16917 when seconds is 0. */
16918 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16920 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16921 seconds, inc/1000.);
16924 SendToProgram(buf, cps);
16926 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16927 /* Orthogonally, limit search to given depth */
16929 if (cps->sdKludge) {
16930 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16932 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16934 SendToProgram(buf, cps);
16937 if(cps->nps >= 0) { /* [HGM] nps */
16938 if(cps->supportsNPS == FALSE)
16939 cps->nps = -1; // don't use if engine explicitly says not supported!
16941 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16942 SendToProgram(buf, cps);
16947 ChessProgramState *
16949 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16951 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16952 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16958 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16960 char message[MSG_SIZ];
16963 /* Note: this routine must be called when the clocks are stopped
16964 or when they have *just* been set or switched; otherwise
16965 it will be off by the time since the current tick started.
16967 if (machineWhite) {
16968 time = whiteTimeRemaining / 10;
16969 otime = blackTimeRemaining / 10;
16971 time = blackTimeRemaining / 10;
16972 otime = whiteTimeRemaining / 10;
16974 /* [HGM] translate opponent's time by time-odds factor */
16975 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16977 if (time <= 0) time = 1;
16978 if (otime <= 0) otime = 1;
16980 snprintf(message, MSG_SIZ, "time %ld\n", time);
16981 SendToProgram(message, cps);
16983 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16984 SendToProgram(message, cps);
16988 EngineDefinedVariant (ChessProgramState *cps, int n)
16989 { // return name of n-th unknown variant that engine supports
16990 static char buf[MSG_SIZ];
16991 char *p, *s = cps->variants;
16992 if(!s) return NULL;
16993 do { // parse string from variants feature
16995 p = strchr(s, ',');
16996 if(p) *p = NULLCHAR;
16997 v = StringToVariant(s);
16998 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16999 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17000 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17001 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17002 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17003 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17004 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17007 if(n < 0) return buf;
17013 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17016 int len = strlen(name);
17019 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17021 sscanf(*p, "%d", &val);
17023 while (**p && **p != ' ')
17025 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17026 SendToProgram(buf, cps);
17033 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17036 int len = strlen(name);
17037 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17039 sscanf(*p, "%d", loc);
17040 while (**p && **p != ' ') (*p)++;
17041 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17042 SendToProgram(buf, cps);
17049 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17052 int len = strlen(name);
17053 if (strncmp((*p), name, len) == 0
17054 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17056 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17057 sscanf(*p, "%[^\"]", *loc);
17058 while (**p && **p != '\"') (*p)++;
17059 if (**p == '\"') (*p)++;
17060 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17061 SendToProgram(buf, cps);
17068 ParseOption (Option *opt, ChessProgramState *cps)
17069 // [HGM] options: process the string that defines an engine option, and determine
17070 // name, type, default value, and allowed value range
17072 char *p, *q, buf[MSG_SIZ];
17073 int n, min = (-1)<<31, max = 1<<31, def;
17075 opt->target = &opt->value; // OK for spin/slider and checkbox
17076 if(p = strstr(opt->name, " -spin ")) {
17077 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17078 if(max < min) max = min; // enforce consistency
17079 if(def < min) def = min;
17080 if(def > max) def = max;
17085 } else if((p = strstr(opt->name, " -slider "))) {
17086 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17087 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17088 if(max < min) max = min; // enforce consistency
17089 if(def < min) def = min;
17090 if(def > max) def = max;
17094 opt->type = Spin; // Slider;
17095 } else if((p = strstr(opt->name, " -string "))) {
17096 opt->textValue = p+9;
17097 opt->type = TextBox;
17098 opt->target = &opt->textValue;
17099 } else if((p = strstr(opt->name, " -file "))) {
17100 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17101 opt->target = opt->textValue = p+7;
17102 opt->type = FileName; // FileName;
17103 opt->target = &opt->textValue;
17104 } else if((p = strstr(opt->name, " -path "))) {
17105 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17106 opt->target = opt->textValue = p+7;
17107 opt->type = PathName; // PathName;
17108 opt->target = &opt->textValue;
17109 } else if(p = strstr(opt->name, " -check ")) {
17110 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17111 opt->value = (def != 0);
17112 opt->type = CheckBox;
17113 } else if(p = strstr(opt->name, " -combo ")) {
17114 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17115 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17116 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17117 opt->value = n = 0;
17118 while(q = StrStr(q, " /// ")) {
17119 n++; *q = 0; // count choices, and null-terminate each of them
17121 if(*q == '*') { // remember default, which is marked with * prefix
17125 cps->comboList[cps->comboCnt++] = q;
17127 cps->comboList[cps->comboCnt++] = NULL;
17129 opt->type = ComboBox;
17130 } else if(p = strstr(opt->name, " -button")) {
17131 opt->type = Button;
17132 } else if(p = strstr(opt->name, " -save")) {
17133 opt->type = SaveButton;
17134 } else return FALSE;
17135 *p = 0; // terminate option name
17136 // now look if the command-line options define a setting for this engine option.
17137 if(cps->optionSettings && cps->optionSettings[0])
17138 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17139 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17140 snprintf(buf, MSG_SIZ, "option %s", p);
17141 if(p = strstr(buf, ",")) *p = 0;
17142 if(q = strchr(buf, '=')) switch(opt->type) {
17144 for(n=0; n<opt->max; n++)
17145 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17148 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17152 opt->value = atoi(q+1);
17157 SendToProgram(buf, cps);
17163 FeatureDone (ChessProgramState *cps, int val)
17165 DelayedEventCallback cb = GetDelayedEvent();
17166 if ((cb == InitBackEnd3 && cps == &first) ||
17167 (cb == SettingsMenuIfReady && cps == &second) ||
17168 (cb == LoadEngine) ||
17169 (cb == TwoMachinesEventIfReady)) {
17170 CancelDelayedEvent();
17171 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17172 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17173 cps->initDone = val;
17174 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17177 /* Parse feature command from engine */
17179 ParseFeatures (char *args, ChessProgramState *cps)
17187 while (*p == ' ') p++;
17188 if (*p == NULLCHAR) return;
17190 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17191 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17192 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17193 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17194 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17195 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17196 if (BoolFeature(&p, "reuse", &val, cps)) {
17197 /* Engine can disable reuse, but can't enable it if user said no */
17198 if (!val) cps->reuse = FALSE;
17201 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17202 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17203 if (gameMode == TwoMachinesPlay) {
17204 DisplayTwoMachinesTitle();
17210 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17211 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17212 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17213 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17214 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17215 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17216 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17217 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17218 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17219 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17220 if (IntFeature(&p, "done", &val, cps)) {
17221 FeatureDone(cps, val);
17224 /* Added by Tord: */
17225 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17226 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17227 /* End of additions by Tord */
17229 /* [HGM] added features: */
17230 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17231 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17232 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17233 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17234 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17235 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17236 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17237 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17238 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17239 FREE(cps->option[cps->nrOptions].name);
17240 cps->option[cps->nrOptions].name = q; q = NULL;
17241 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17242 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17243 SendToProgram(buf, cps);
17246 if(cps->nrOptions >= MAX_OPTIONS) {
17248 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17249 DisplayError(buf, 0);
17253 /* End of additions by HGM */
17255 /* unknown feature: complain and skip */
17257 while (*q && *q != '=') q++;
17258 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17259 SendToProgram(buf, cps);
17265 while (*p && *p != '\"') p++;
17266 if (*p == '\"') p++;
17268 while (*p && *p != ' ') p++;
17276 PeriodicUpdatesEvent (int newState)
17278 if (newState == appData.periodicUpdates)
17281 appData.periodicUpdates=newState;
17283 /* Display type changes, so update it now */
17284 // DisplayAnalysis();
17286 /* Get the ball rolling again... */
17288 AnalysisPeriodicEvent(1);
17289 StartAnalysisClock();
17294 PonderNextMoveEvent (int newState)
17296 if (newState == appData.ponderNextMove) return;
17297 if (gameMode == EditPosition) EditPositionDone(TRUE);
17299 SendToProgram("hard\n", &first);
17300 if (gameMode == TwoMachinesPlay) {
17301 SendToProgram("hard\n", &second);
17304 SendToProgram("easy\n", &first);
17305 thinkOutput[0] = NULLCHAR;
17306 if (gameMode == TwoMachinesPlay) {
17307 SendToProgram("easy\n", &second);
17310 appData.ponderNextMove = newState;
17314 NewSettingEvent (int option, int *feature, char *command, int value)
17318 if (gameMode == EditPosition) EditPositionDone(TRUE);
17319 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17320 if(feature == NULL || *feature) SendToProgram(buf, &first);
17321 if (gameMode == TwoMachinesPlay) {
17322 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17327 ShowThinkingEvent ()
17328 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17330 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17331 int newState = appData.showThinking
17332 // [HGM] thinking: other features now need thinking output as well
17333 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17335 if (oldState == newState) return;
17336 oldState = newState;
17337 if (gameMode == EditPosition) EditPositionDone(TRUE);
17339 SendToProgram("post\n", &first);
17340 if (gameMode == TwoMachinesPlay) {
17341 SendToProgram("post\n", &second);
17344 SendToProgram("nopost\n", &first);
17345 thinkOutput[0] = NULLCHAR;
17346 if (gameMode == TwoMachinesPlay) {
17347 SendToProgram("nopost\n", &second);
17350 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17354 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17356 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17357 if (pr == NoProc) return;
17358 AskQuestion(title, question, replyPrefix, pr);
17362 TypeInEvent (char firstChar)
17364 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17365 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17366 gameMode == AnalyzeMode || gameMode == EditGame ||
17367 gameMode == EditPosition || gameMode == IcsExamining ||
17368 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17369 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17370 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17371 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17372 gameMode == Training) PopUpMoveDialog(firstChar);
17376 TypeInDoneEvent (char *move)
17379 int n, fromX, fromY, toX, toY;
17381 ChessMove moveType;
17384 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17385 EditPositionPasteFEN(move);
17388 // [HGM] movenum: allow move number to be typed in any mode
17389 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17393 // undocumented kludge: allow command-line option to be typed in!
17394 // (potentially fatal, and does not implement the effect of the option.)
17395 // should only be used for options that are values on which future decisions will be made,
17396 // and definitely not on options that would be used during initialization.
17397 if(strstr(move, "!!! -") == move) {
17398 ParseArgsFromString(move+4);
17402 if (gameMode != EditGame && currentMove != forwardMostMove &&
17403 gameMode != Training) {
17404 DisplayMoveError(_("Displayed move is not current"));
17406 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17407 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17408 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17409 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17410 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17411 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17413 DisplayMoveError(_("Could not parse move"));
17419 DisplayMove (int moveNumber)
17421 char message[MSG_SIZ];
17423 char cpThinkOutput[MSG_SIZ];
17425 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17427 if (moveNumber == forwardMostMove - 1 ||
17428 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17430 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17432 if (strchr(cpThinkOutput, '\n')) {
17433 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17436 *cpThinkOutput = NULLCHAR;
17439 /* [AS] Hide thinking from human user */
17440 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17441 *cpThinkOutput = NULLCHAR;
17442 if( thinkOutput[0] != NULLCHAR ) {
17445 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17446 cpThinkOutput[i] = '.';
17448 cpThinkOutput[i] = NULLCHAR;
17449 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17453 if (moveNumber == forwardMostMove - 1 &&
17454 gameInfo.resultDetails != NULL) {
17455 if (gameInfo.resultDetails[0] == NULLCHAR) {
17456 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17458 snprintf(res, MSG_SIZ, " {%s} %s",
17459 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17465 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17466 DisplayMessage(res, cpThinkOutput);
17468 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17469 WhiteOnMove(moveNumber) ? " " : ".. ",
17470 parseList[moveNumber], res);
17471 DisplayMessage(message, cpThinkOutput);
17476 DisplayComment (int moveNumber, char *text)
17478 char title[MSG_SIZ];
17480 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17481 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17483 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17484 WhiteOnMove(moveNumber) ? " " : ".. ",
17485 parseList[moveNumber]);
17487 if (text != NULL && (appData.autoDisplayComment || commentUp))
17488 CommentPopUp(title, text);
17491 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17492 * might be busy thinking or pondering. It can be omitted if your
17493 * gnuchess is configured to stop thinking immediately on any user
17494 * input. However, that gnuchess feature depends on the FIONREAD
17495 * ioctl, which does not work properly on some flavors of Unix.
17498 Attention (ChessProgramState *cps)
17501 if (!cps->useSigint) return;
17502 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17503 switch (gameMode) {
17504 case MachinePlaysWhite:
17505 case MachinePlaysBlack:
17506 case TwoMachinesPlay:
17507 case IcsPlayingWhite:
17508 case IcsPlayingBlack:
17511 /* Skip if we know it isn't thinking */
17512 if (!cps->maybeThinking) return;
17513 if (appData.debugMode)
17514 fprintf(debugFP, "Interrupting %s\n", cps->which);
17515 InterruptChildProcess(cps->pr);
17516 cps->maybeThinking = FALSE;
17521 #endif /*ATTENTION*/
17527 if (whiteTimeRemaining <= 0) {
17530 if (appData.icsActive) {
17531 if (appData.autoCallFlag &&
17532 gameMode == IcsPlayingBlack && !blackFlag) {
17533 SendToICS(ics_prefix);
17534 SendToICS("flag\n");
17538 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17540 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17541 if (appData.autoCallFlag) {
17542 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17549 if (blackTimeRemaining <= 0) {
17552 if (appData.icsActive) {
17553 if (appData.autoCallFlag &&
17554 gameMode == IcsPlayingWhite && !whiteFlag) {
17555 SendToICS(ics_prefix);
17556 SendToICS("flag\n");
17560 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17562 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17563 if (appData.autoCallFlag) {
17564 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17575 CheckTimeControl ()
17577 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17578 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17581 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17583 if ( !WhiteOnMove(forwardMostMove) ) {
17584 /* White made time control */
17585 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17586 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17587 /* [HGM] time odds: correct new time quota for time odds! */
17588 / WhitePlayer()->timeOdds;
17589 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17591 lastBlack -= blackTimeRemaining;
17592 /* Black made time control */
17593 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17594 / WhitePlayer()->other->timeOdds;
17595 lastWhite = whiteTimeRemaining;
17600 DisplayBothClocks ()
17602 int wom = gameMode == EditPosition ?
17603 !blackPlaysFirst : WhiteOnMove(currentMove);
17604 DisplayWhiteClock(whiteTimeRemaining, wom);
17605 DisplayBlackClock(blackTimeRemaining, !wom);
17609 /* Timekeeping seems to be a portability nightmare. I think everyone
17610 has ftime(), but I'm really not sure, so I'm including some ifdefs
17611 to use other calls if you don't. Clocks will be less accurate if
17612 you have neither ftime nor gettimeofday.
17615 /* VS 2008 requires the #include outside of the function */
17616 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17617 #include <sys/timeb.h>
17620 /* Get the current time as a TimeMark */
17622 GetTimeMark (TimeMark *tm)
17624 #if HAVE_GETTIMEOFDAY
17626 struct timeval timeVal;
17627 struct timezone timeZone;
17629 gettimeofday(&timeVal, &timeZone);
17630 tm->sec = (long) timeVal.tv_sec;
17631 tm->ms = (int) (timeVal.tv_usec / 1000L);
17633 #else /*!HAVE_GETTIMEOFDAY*/
17636 // include <sys/timeb.h> / moved to just above start of function
17637 struct timeb timeB;
17640 tm->sec = (long) timeB.time;
17641 tm->ms = (int) timeB.millitm;
17643 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17644 tm->sec = (long) time(NULL);
17650 /* Return the difference in milliseconds between two
17651 time marks. We assume the difference will fit in a long!
17654 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17656 return 1000L*(tm2->sec - tm1->sec) +
17657 (long) (tm2->ms - tm1->ms);
17662 * Code to manage the game clocks.
17664 * In tournament play, black starts the clock and then white makes a move.
17665 * We give the human user a slight advantage if he is playing white---the
17666 * clocks don't run until he makes his first move, so it takes zero time.
17667 * Also, we don't account for network lag, so we could get out of sync
17668 * with GNU Chess's clock -- but then, referees are always right.
17671 static TimeMark tickStartTM;
17672 static long intendedTickLength;
17675 NextTickLength (long timeRemaining)
17677 long nominalTickLength, nextTickLength;
17679 if (timeRemaining > 0L && timeRemaining <= 10000L)
17680 nominalTickLength = 100L;
17682 nominalTickLength = 1000L;
17683 nextTickLength = timeRemaining % nominalTickLength;
17684 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17686 return nextTickLength;
17689 /* Adjust clock one minute up or down */
17691 AdjustClock (Boolean which, int dir)
17693 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17694 if(which) blackTimeRemaining += 60000*dir;
17695 else whiteTimeRemaining += 60000*dir;
17696 DisplayBothClocks();
17697 adjustedClock = TRUE;
17700 /* Stop clocks and reset to a fresh time control */
17704 (void) StopClockTimer();
17705 if (appData.icsActive) {
17706 whiteTimeRemaining = blackTimeRemaining = 0;
17707 } else if (searchTime) {
17708 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17709 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17710 } else { /* [HGM] correct new time quote for time odds */
17711 whiteTC = blackTC = fullTimeControlString;
17712 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17713 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17715 if (whiteFlag || blackFlag) {
17717 whiteFlag = blackFlag = FALSE;
17719 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17720 DisplayBothClocks();
17721 adjustedClock = FALSE;
17724 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17726 /* Decrement running clock by amount of time that has passed */
17730 long timeRemaining;
17731 long lastTickLength, fudge;
17734 if (!appData.clockMode) return;
17735 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17739 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17741 /* Fudge if we woke up a little too soon */
17742 fudge = intendedTickLength - lastTickLength;
17743 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17745 if (WhiteOnMove(forwardMostMove)) {
17746 if(whiteNPS >= 0) lastTickLength = 0;
17747 timeRemaining = whiteTimeRemaining -= lastTickLength;
17748 if(timeRemaining < 0 && !appData.icsActive) {
17749 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17750 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17751 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17752 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17755 DisplayWhiteClock(whiteTimeRemaining - fudge,
17756 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17758 if(blackNPS >= 0) lastTickLength = 0;
17759 timeRemaining = blackTimeRemaining -= lastTickLength;
17760 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17761 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17763 blackStartMove = forwardMostMove;
17764 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17767 DisplayBlackClock(blackTimeRemaining - fudge,
17768 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17770 if (CheckFlags()) return;
17772 if(twoBoards) { // count down secondary board's clocks as well
17773 activePartnerTime -= lastTickLength;
17775 if(activePartner == 'W')
17776 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17778 DisplayBlackClock(activePartnerTime, TRUE);
17783 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17784 StartClockTimer(intendedTickLength);
17786 /* if the time remaining has fallen below the alarm threshold, sound the
17787 * alarm. if the alarm has sounded and (due to a takeback or time control
17788 * with increment) the time remaining has increased to a level above the
17789 * threshold, reset the alarm so it can sound again.
17792 if (appData.icsActive && appData.icsAlarm) {
17794 /* make sure we are dealing with the user's clock */
17795 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17796 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17799 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17800 alarmSounded = FALSE;
17801 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17803 alarmSounded = TRUE;
17809 /* A player has just moved, so stop the previously running
17810 clock and (if in clock mode) start the other one.
17811 We redisplay both clocks in case we're in ICS mode, because
17812 ICS gives us an update to both clocks after every move.
17813 Note that this routine is called *after* forwardMostMove
17814 is updated, so the last fractional tick must be subtracted
17815 from the color that is *not* on move now.
17818 SwitchClocks (int newMoveNr)
17820 long lastTickLength;
17822 int flagged = FALSE;
17826 if (StopClockTimer() && appData.clockMode) {
17827 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17828 if (!WhiteOnMove(forwardMostMove)) {
17829 if(blackNPS >= 0) lastTickLength = 0;
17830 blackTimeRemaining -= lastTickLength;
17831 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17832 // if(pvInfoList[forwardMostMove].time == -1)
17833 pvInfoList[forwardMostMove].time = // use GUI time
17834 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17836 if(whiteNPS >= 0) lastTickLength = 0;
17837 whiteTimeRemaining -= lastTickLength;
17838 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17839 // if(pvInfoList[forwardMostMove].time == -1)
17840 pvInfoList[forwardMostMove].time =
17841 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17843 flagged = CheckFlags();
17845 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17846 CheckTimeControl();
17848 if (flagged || !appData.clockMode) return;
17850 switch (gameMode) {
17851 case MachinePlaysBlack:
17852 case MachinePlaysWhite:
17853 case BeginningOfGame:
17854 if (pausing) return;
17858 case PlayFromGameFile:
17866 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17867 if(WhiteOnMove(forwardMostMove))
17868 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17869 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17873 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17874 whiteTimeRemaining : blackTimeRemaining);
17875 StartClockTimer(intendedTickLength);
17879 /* Stop both clocks */
17883 long lastTickLength;
17886 if (!StopClockTimer()) return;
17887 if (!appData.clockMode) return;
17891 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17892 if (WhiteOnMove(forwardMostMove)) {
17893 if(whiteNPS >= 0) lastTickLength = 0;
17894 whiteTimeRemaining -= lastTickLength;
17895 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17897 if(blackNPS >= 0) lastTickLength = 0;
17898 blackTimeRemaining -= lastTickLength;
17899 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17904 /* Start clock of player on move. Time may have been reset, so
17905 if clock is already running, stop and restart it. */
17909 (void) StopClockTimer(); /* in case it was running already */
17910 DisplayBothClocks();
17911 if (CheckFlags()) return;
17913 if (!appData.clockMode) return;
17914 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17916 GetTimeMark(&tickStartTM);
17917 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17918 whiteTimeRemaining : blackTimeRemaining);
17920 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17921 whiteNPS = blackNPS = -1;
17922 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17923 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17924 whiteNPS = first.nps;
17925 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17926 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17927 blackNPS = first.nps;
17928 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17929 whiteNPS = second.nps;
17930 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17931 blackNPS = second.nps;
17932 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17934 StartClockTimer(intendedTickLength);
17938 TimeString (long ms)
17940 long second, minute, hour, day;
17942 static char buf[32];
17944 if (ms > 0 && ms <= 9900) {
17945 /* convert milliseconds to tenths, rounding up */
17946 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17948 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17952 /* convert milliseconds to seconds, rounding up */
17953 /* use floating point to avoid strangeness of integer division
17954 with negative dividends on many machines */
17955 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17962 day = second / (60 * 60 * 24);
17963 second = second % (60 * 60 * 24);
17964 hour = second / (60 * 60);
17965 second = second % (60 * 60);
17966 minute = second / 60;
17967 second = second % 60;
17970 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17971 sign, day, hour, minute, second);
17973 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17975 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17982 * This is necessary because some C libraries aren't ANSI C compliant yet.
17985 StrStr (char *string, char *match)
17989 length = strlen(match);
17991 for (i = strlen(string) - length; i >= 0; i--, string++)
17992 if (!strncmp(match, string, length))
17999 StrCaseStr (char *string, char *match)
18003 length = strlen(match);
18005 for (i = strlen(string) - length; i >= 0; i--, string++) {
18006 for (j = 0; j < length; j++) {
18007 if (ToLower(match[j]) != ToLower(string[j]))
18010 if (j == length) return string;
18018 StrCaseCmp (char *s1, char *s2)
18023 c1 = ToLower(*s1++);
18024 c2 = ToLower(*s2++);
18025 if (c1 > c2) return 1;
18026 if (c1 < c2) return -1;
18027 if (c1 == NULLCHAR) return 0;
18035 return isupper(c) ? tolower(c) : c;
18042 return islower(c) ? toupper(c) : c;
18044 #endif /* !_amigados */
18051 if ((ret = (char *) malloc(strlen(s) + 1)))
18053 safeStrCpy(ret, s, strlen(s)+1);
18059 StrSavePtr (char *s, char **savePtr)
18064 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18065 safeStrCpy(*savePtr, s, strlen(s)+1);
18077 clock = time((time_t *)NULL);
18078 tm = localtime(&clock);
18079 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18080 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18081 return StrSave(buf);
18086 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18088 int i, j, fromX, fromY, toX, toY;
18089 int whiteToPlay, haveRights = nrCastlingRights;
18095 whiteToPlay = (gameMode == EditPosition) ?
18096 !blackPlaysFirst : (move % 2 == 0);
18099 /* Piece placement data */
18100 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18101 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18103 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18104 if (boards[move][i][j] == EmptySquare) {
18106 } else { ChessSquare piece = boards[move][i][j];
18107 if (emptycount > 0) {
18108 if(emptycount<10) /* [HGM] can be >= 10 */
18109 *p++ = '0' + emptycount;
18110 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18113 if(PieceToChar(piece) == '+') {
18114 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18116 piece = (ChessSquare)(CHUDEMOTED(piece));
18118 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18119 if(*p = PieceSuffix(piece)) p++;
18121 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18122 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18127 if (emptycount > 0) {
18128 if(emptycount<10) /* [HGM] can be >= 10 */
18129 *p++ = '0' + emptycount;
18130 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18137 /* [HGM] print Crazyhouse or Shogi holdings */
18138 if( gameInfo.holdingsWidth ) {
18139 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18141 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18142 piece = boards[move][i][BOARD_WIDTH-1];
18143 if( piece != EmptySquare )
18144 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18145 *p++ = PieceToChar(piece);
18147 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18148 piece = boards[move][BOARD_HEIGHT-i-1][0];
18149 if( piece != EmptySquare )
18150 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18151 *p++ = PieceToChar(piece);
18154 if( q == p ) *p++ = '-';
18160 *p++ = whiteToPlay ? 'w' : 'b';
18163 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18164 haveRights = 0; q = p;
18165 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18166 piece = boards[move][0][i];
18167 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18168 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18171 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18172 piece = boards[move][BOARD_HEIGHT-1][i];
18173 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18174 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18177 if(p == q) *p++ = '-';
18181 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18182 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18185 int handW=0, handB=0;
18186 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18187 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18188 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18191 if(appData.fischerCastling) {
18192 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18193 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18194 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18196 /* [HGM] write directly from rights */
18197 if(boards[move][CASTLING][2] != NoRights &&
18198 boards[move][CASTLING][0] != NoRights )
18199 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18200 if(boards[move][CASTLING][2] != NoRights &&
18201 boards[move][CASTLING][1] != NoRights )
18202 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18205 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18206 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18208 if(boards[move][CASTLING][5] != NoRights &&
18209 boards[move][CASTLING][3] != NoRights )
18210 *p++ = boards[move][CASTLING][3] + AAA;
18211 if(boards[move][CASTLING][5] != NoRights &&
18212 boards[move][CASTLING][4] != NoRights )
18213 *p++ = boards[move][CASTLING][4] + AAA;
18217 /* [HGM] write true castling rights */
18218 if( nrCastlingRights == 6 ) {
18220 if(boards[move][CASTLING][0] != NoRights &&
18221 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18222 q = (boards[move][CASTLING][1] != NoRights &&
18223 boards[move][CASTLING][2] != NoRights );
18224 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18225 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18226 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18227 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18231 if(boards[move][CASTLING][3] != NoRights &&
18232 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18233 q = (boards[move][CASTLING][4] != NoRights &&
18234 boards[move][CASTLING][5] != NoRights );
18236 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18237 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18238 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18243 if (q == p) *p++ = '-'; /* No castling rights */
18247 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18248 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18249 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18250 /* En passant target square */
18251 if (move > backwardMostMove) {
18252 fromX = moveList[move - 1][0] - AAA;
18253 fromY = moveList[move - 1][1] - ONE;
18254 toX = moveList[move - 1][2] - AAA;
18255 toY = moveList[move - 1][3] - ONE;
18256 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18257 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18258 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18260 /* 2-square pawn move just happened */
18262 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18266 } else if(move == backwardMostMove) {
18267 // [HGM] perhaps we should always do it like this, and forget the above?
18268 if((signed char)boards[move][EP_STATUS] >= 0) {
18269 *p++ = boards[move][EP_STATUS] + AAA;
18270 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18282 { int i = 0, j=move;
18284 /* [HGM] find reversible plies */
18285 if (appData.debugMode) { int k;
18286 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18287 for(k=backwardMostMove; k<=forwardMostMove; k++)
18288 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18292 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18293 if( j == backwardMostMove ) i += initialRulePlies;
18294 sprintf(p, "%d ", i);
18295 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18297 /* Fullmove number */
18298 sprintf(p, "%d", (move / 2) + 1);
18299 } else *--p = NULLCHAR;
18301 return StrSave(buf);
18305 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18307 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18309 int emptycount, virgin[BOARD_FILES];
18310 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18314 /* Piece placement data */
18315 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18318 if (*p == '/' || *p == ' ' || *p == '[' ) {
18320 emptycount = gameInfo.boardWidth - j;
18321 while (emptycount--)
18322 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18323 if (*p == '/') p++;
18324 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18325 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18326 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18328 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18331 #if(BOARD_FILES >= 10)*0
18332 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18333 p++; emptycount=10;
18334 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18335 while (emptycount--)
18336 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18338 } else if (*p == '*') {
18339 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18340 } else if (isdigit(*p)) {
18341 emptycount = *p++ - '0';
18342 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18343 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18344 while (emptycount--)
18345 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18346 } else if (*p == '<') {
18347 if(i == BOARD_HEIGHT-1) shuffle = 1;
18348 else if (i != 0 || !shuffle) return FALSE;
18350 } else if (shuffle && *p == '>') {
18351 p++; // for now ignore closing shuffle range, and assume rank-end
18352 } else if (*p == '?') {
18353 if (j >= gameInfo.boardWidth) return FALSE;
18354 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18355 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18356 } else if (*p == '+' || isalpha(*p)) {
18357 char *q, *s = SUFFIXES;
18358 if (j >= gameInfo.boardWidth) return FALSE;
18361 if(q = strchr(s, p[1])) p++;
18362 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18363 if(piece == EmptySquare) return FALSE; /* unknown piece */
18364 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18365 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18368 if(q = strchr(s, *p)) p++;
18369 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18372 if(piece==EmptySquare) return FALSE; /* unknown piece */
18373 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18374 piece = (ChessSquare) (PROMOTED(piece));
18375 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18378 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18379 if(piece == king) wKingRank = i;
18380 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18386 while (*p == '/' || *p == ' ') p++;
18388 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18390 /* [HGM] by default clear Crazyhouse holdings, if present */
18391 if(gameInfo.holdingsWidth) {
18392 for(i=0; i<BOARD_HEIGHT; i++) {
18393 board[i][0] = EmptySquare; /* black holdings */
18394 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18395 board[i][1] = (ChessSquare) 0; /* black counts */
18396 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18400 /* [HGM] look for Crazyhouse holdings here */
18401 while(*p==' ') p++;
18402 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18403 int swap=0, wcnt=0, bcnt=0;
18405 if(*p == '<') swap++, p++;
18406 if(*p == '-' ) p++; /* empty holdings */ else {
18407 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18408 /* if we would allow FEN reading to set board size, we would */
18409 /* have to add holdings and shift the board read so far here */
18410 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18412 if((int) piece >= (int) BlackPawn ) {
18413 i = (int)piece - (int)BlackPawn;
18414 i = PieceToNumber((ChessSquare)i);
18415 if( i >= gameInfo.holdingsSize ) return FALSE;
18416 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18417 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18420 i = (int)piece - (int)WhitePawn;
18421 i = PieceToNumber((ChessSquare)i);
18422 if( i >= gameInfo.holdingsSize ) return FALSE;
18423 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18424 board[i][BOARD_WIDTH-2]++; /* black holdings */
18428 if(subst) { // substitute back-rank question marks by holdings pieces
18429 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18430 int k, m, n = bcnt + 1;
18431 if(board[0][j] == ClearBoard) {
18432 if(!wcnt) return FALSE;
18434 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18435 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18436 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18440 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18441 if(!bcnt) return FALSE;
18442 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18443 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18444 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18445 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18456 if(subst) return FALSE; // substitution requested, but no holdings
18458 while(*p == ' ') p++;
18462 if(appData.colorNickNames) {
18463 if( c == appData.colorNickNames[0] ) c = 'w'; else
18464 if( c == appData.colorNickNames[1] ) c = 'b';
18468 *blackPlaysFirst = FALSE;
18471 *blackPlaysFirst = TRUE;
18477 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18478 /* return the extra info in global variiables */
18480 while(*p==' ') p++;
18482 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18483 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18484 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18487 /* set defaults in case FEN is incomplete */
18488 board[EP_STATUS] = EP_UNKNOWN;
18489 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18490 for(i=0; i<nrCastlingRights; i++ ) {
18491 board[CASTLING][i] =
18492 appData.fischerCastling ? NoRights : initialRights[i];
18493 } /* assume possible unless obviously impossible */
18494 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18495 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18496 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18497 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18498 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18499 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18500 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18501 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18504 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18507 while(isalpha(*p)) {
18508 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18509 if(islower(*p)) b |= 1 << (*p++ - 'a');
18513 board[TOUCHED_W] = ~w;
18514 board[TOUCHED_B] = ~b;
18515 while(*p == ' ') p++;
18519 if(nrCastlingRights) {
18521 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18522 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18523 /* castling indicator present, so default becomes no castlings */
18524 for(i=0; i<nrCastlingRights; i++ ) {
18525 board[CASTLING][i] = NoRights;
18528 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18529 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18530 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18531 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18532 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18534 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18535 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18536 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18538 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18539 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18540 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18541 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18542 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18543 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18546 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18547 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18548 board[CASTLING][2] = whiteKingFile;
18549 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18550 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18551 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18554 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18555 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18556 board[CASTLING][2] = whiteKingFile;
18557 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18558 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18559 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18562 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18563 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18564 board[CASTLING][5] = blackKingFile;
18565 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18566 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18567 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18570 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18571 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18572 board[CASTLING][5] = blackKingFile;
18573 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18574 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18575 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18578 default: /* FRC castlings */
18579 if(c >= 'a') { /* black rights */
18580 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18581 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18582 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18583 if(i == BOARD_RGHT) break;
18584 board[CASTLING][5] = i;
18586 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18587 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18589 board[CASTLING][3] = c;
18591 board[CASTLING][4] = c;
18592 } else { /* white rights */
18593 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18594 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18595 if(board[0][i] == WhiteKing) break;
18596 if(i == BOARD_RGHT) break;
18597 board[CASTLING][2] = i;
18598 c -= AAA - 'a' + 'A';
18599 if(board[0][c] >= WhiteKing) break;
18601 board[CASTLING][0] = c;
18603 board[CASTLING][1] = c;
18607 for(i=0; i<nrCastlingRights; i++)
18608 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18609 if(gameInfo.variant == VariantSChess)
18610 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18611 if(fischer && shuffle) appData.fischerCastling = TRUE;
18612 if (appData.debugMode) {
18613 fprintf(debugFP, "FEN castling rights:");
18614 for(i=0; i<nrCastlingRights; i++)
18615 fprintf(debugFP, " %d", board[CASTLING][i]);
18616 fprintf(debugFP, "\n");
18619 while(*p==' ') p++;
18622 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18624 /* read e.p. field in games that know e.p. capture */
18625 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18626 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18627 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18629 p++; board[EP_STATUS] = EP_NONE;
18631 char c = *p++ - AAA;
18633 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18634 if(*p >= '0' && *p <='9') p++;
18635 board[EP_STATUS] = c;
18640 if(sscanf(p, "%d", &i) == 1) {
18641 FENrulePlies = i; /* 50-move ply counter */
18642 /* (The move number is still ignored) */
18649 EditPositionPasteFEN (char *fen)
18652 Board initial_position;
18654 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18655 DisplayError(_("Bad FEN position in clipboard"), 0);
18658 int savedBlackPlaysFirst = blackPlaysFirst;
18659 EditPositionEvent();
18660 blackPlaysFirst = savedBlackPlaysFirst;
18661 CopyBoard(boards[0], initial_position);
18662 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18663 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18664 DisplayBothClocks();
18665 DrawPosition(FALSE, boards[currentMove]);
18670 static char cseq[12] = "\\ ";
18673 set_cont_sequence (char *new_seq)
18678 // handle bad attempts to set the sequence
18680 return 0; // acceptable error - no debug
18682 len = strlen(new_seq);
18683 ret = (len > 0) && (len < sizeof(cseq));
18685 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18686 else if (appData.debugMode)
18687 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18692 reformat a source message so words don't cross the width boundary. internal
18693 newlines are not removed. returns the wrapped size (no null character unless
18694 included in source message). If dest is NULL, only calculate the size required
18695 for the dest buffer. lp argument indicats line position upon entry, and it's
18696 passed back upon exit.
18699 wrap (char *dest, char *src, int count, int width, int *lp)
18701 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18703 cseq_len = strlen(cseq);
18704 old_line = line = *lp;
18705 ansi = len = clen = 0;
18707 for (i=0; i < count; i++)
18709 if (src[i] == '\033')
18712 // if we hit the width, back up
18713 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18715 // store i & len in case the word is too long
18716 old_i = i, old_len = len;
18718 // find the end of the last word
18719 while (i && src[i] != ' ' && src[i] != '\n')
18725 // word too long? restore i & len before splitting it
18726 if ((old_i-i+clen) >= width)
18733 if (i && src[i-1] == ' ')
18736 if (src[i] != ' ' && src[i] != '\n')
18743 // now append the newline and continuation sequence
18748 strncpy(dest+len, cseq, cseq_len);
18756 dest[len] = src[i];
18760 if (src[i] == '\n')
18765 if (dest && appData.debugMode)
18767 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18768 count, width, line, len, *lp);
18769 show_bytes(debugFP, src, count);
18770 fprintf(debugFP, "\ndest: ");
18771 show_bytes(debugFP, dest, len);
18772 fprintf(debugFP, "\n");
18774 *lp = dest ? line : old_line;
18779 // [HGM] vari: routines for shelving variations
18780 Boolean modeRestore = FALSE;
18783 PushInner (int firstMove, int lastMove)
18785 int i, j, nrMoves = lastMove - firstMove;
18787 // push current tail of game on stack
18788 savedResult[storedGames] = gameInfo.result;
18789 savedDetails[storedGames] = gameInfo.resultDetails;
18790 gameInfo.resultDetails = NULL;
18791 savedFirst[storedGames] = firstMove;
18792 savedLast [storedGames] = lastMove;
18793 savedFramePtr[storedGames] = framePtr;
18794 framePtr -= nrMoves; // reserve space for the boards
18795 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18796 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18797 for(j=0; j<MOVE_LEN; j++)
18798 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18799 for(j=0; j<2*MOVE_LEN; j++)
18800 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18801 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18802 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18803 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18804 pvInfoList[firstMove+i-1].depth = 0;
18805 commentList[framePtr+i] = commentList[firstMove+i];
18806 commentList[firstMove+i] = NULL;
18810 forwardMostMove = firstMove; // truncate game so we can start variation
18814 PushTail (int firstMove, int lastMove)
18816 if(appData.icsActive) { // only in local mode
18817 forwardMostMove = currentMove; // mimic old ICS behavior
18820 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18822 PushInner(firstMove, lastMove);
18823 if(storedGames == 1) GreyRevert(FALSE);
18824 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18828 PopInner (Boolean annotate)
18831 char buf[8000], moveBuf[20];
18833 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18834 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18835 nrMoves = savedLast[storedGames] - currentMove;
18838 if(!WhiteOnMove(currentMove))
18839 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18840 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18841 for(i=currentMove; i<forwardMostMove; i++) {
18843 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18844 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18845 strcat(buf, moveBuf);
18846 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18847 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18851 for(i=1; i<=nrMoves; i++) { // copy last variation back
18852 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18853 for(j=0; j<MOVE_LEN; j++)
18854 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18855 for(j=0; j<2*MOVE_LEN; j++)
18856 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18857 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18858 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18859 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18860 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18861 commentList[currentMove+i] = commentList[framePtr+i];
18862 commentList[framePtr+i] = NULL;
18864 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18865 framePtr = savedFramePtr[storedGames];
18866 gameInfo.result = savedResult[storedGames];
18867 if(gameInfo.resultDetails != NULL) {
18868 free(gameInfo.resultDetails);
18870 gameInfo.resultDetails = savedDetails[storedGames];
18871 forwardMostMove = currentMove + nrMoves;
18875 PopTail (Boolean annotate)
18877 if(appData.icsActive) return FALSE; // only in local mode
18878 if(!storedGames) return FALSE; // sanity
18879 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18881 PopInner(annotate);
18882 if(currentMove < forwardMostMove) ForwardEvent(); else
18883 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18885 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18891 { // remove all shelved variations
18893 for(i=0; i<storedGames; i++) {
18894 if(savedDetails[i])
18895 free(savedDetails[i]);
18896 savedDetails[i] = NULL;
18898 for(i=framePtr; i<MAX_MOVES; i++) {
18899 if(commentList[i]) free(commentList[i]);
18900 commentList[i] = NULL;
18902 framePtr = MAX_MOVES-1;
18907 LoadVariation (int index, char *text)
18908 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18909 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18910 int level = 0, move;
18912 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18913 // first find outermost bracketing variation
18914 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18915 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18916 if(*p == '{') wait = '}'; else
18917 if(*p == '[') wait = ']'; else
18918 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18919 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18921 if(*p == wait) wait = NULLCHAR; // closing ]} found
18924 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18925 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18926 end[1] = NULLCHAR; // clip off comment beyond variation
18927 ToNrEvent(currentMove-1);
18928 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18929 // kludge: use ParsePV() to append variation to game
18930 move = currentMove;
18931 ParsePV(start, TRUE, TRUE);
18932 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18933 ClearPremoveHighlights();
18935 ToNrEvent(currentMove+1);
18941 char *p, *q, buf[MSG_SIZ];
18942 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18943 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18944 ParseArgsFromString(buf);
18945 ActivateTheme(TRUE); // also redo colors
18949 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18952 q = appData.themeNames;
18953 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18954 if(appData.useBitmaps) {
18955 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18956 appData.liteBackTextureFile, appData.darkBackTextureFile,
18957 appData.liteBackTextureMode,
18958 appData.darkBackTextureMode );
18960 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18961 Col2Text(2), // lightSquareColor
18962 Col2Text(3) ); // darkSquareColor
18964 if(appData.useBorder) {
18965 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18968 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18970 if(appData.useFont) {
18971 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18972 appData.renderPiecesWithFont,
18973 appData.fontToPieceTable,
18974 Col2Text(9), // appData.fontBackColorWhite
18975 Col2Text(10) ); // appData.fontForeColorBlack
18977 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18978 appData.pieceDirectory);
18979 if(!appData.pieceDirectory[0])
18980 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18981 Col2Text(0), // whitePieceColor
18982 Col2Text(1) ); // blackPieceColor
18984 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18985 Col2Text(4), // highlightSquareColor
18986 Col2Text(5) ); // premoveHighlightColor
18987 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18988 if(insert != q) insert[-1] = NULLCHAR;
18989 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18992 ActivateTheme(FALSE);