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. %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 TwoMachinesEvent();
11436 UserAdjudicationEvent (int result)
11438 ChessMove gameResult = GameIsDrawn;
11441 gameResult = WhiteWins;
11443 else if( result < 0 ) {
11444 gameResult = BlackWins;
11447 if( gameMode == TwoMachinesPlay ) {
11448 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11453 // [HGM] save: calculate checksum of game to make games easily identifiable
11455 StringCheckSum (char *s)
11458 if(s==NULL) return 0;
11459 while(*s) i = i*259 + *s++;
11467 for(i=backwardMostMove; i<forwardMostMove; i++) {
11468 sum += pvInfoList[i].depth;
11469 sum += StringCheckSum(parseList[i]);
11470 sum += StringCheckSum(commentList[i]);
11473 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11474 return sum + StringCheckSum(commentList[i]);
11475 } // end of save patch
11478 GameEnds (ChessMove result, char *resultDetails, int whosays)
11480 GameMode nextGameMode;
11482 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11484 if(endingGame) return; /* [HGM] crash: forbid recursion */
11486 if(twoBoards) { // [HGM] dual: switch back to one board
11487 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11488 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11490 if (appData.debugMode) {
11491 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11492 result, resultDetails ? resultDetails : "(null)", whosays);
11495 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11497 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11499 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11500 /* If we are playing on ICS, the server decides when the
11501 game is over, but the engine can offer to draw, claim
11505 if (appData.zippyPlay && first.initDone) {
11506 if (result == GameIsDrawn) {
11507 /* In case draw still needs to be claimed */
11508 SendToICS(ics_prefix);
11509 SendToICS("draw\n");
11510 } else if (StrCaseStr(resultDetails, "resign")) {
11511 SendToICS(ics_prefix);
11512 SendToICS("resign\n");
11516 endingGame = 0; /* [HGM] crash */
11520 /* If we're loading the game from a file, stop */
11521 if (whosays == GE_FILE) {
11522 (void) StopLoadGameTimer();
11526 /* Cancel draw offers */
11527 first.offeredDraw = second.offeredDraw = 0;
11529 /* If this is an ICS game, only ICS can really say it's done;
11530 if not, anyone can. */
11531 isIcsGame = (gameMode == IcsPlayingWhite ||
11532 gameMode == IcsPlayingBlack ||
11533 gameMode == IcsObserving ||
11534 gameMode == IcsExamining);
11536 if (!isIcsGame || whosays == GE_ICS) {
11537 /* OK -- not an ICS game, or ICS said it was done */
11539 if (!isIcsGame && !appData.noChessProgram)
11540 SetUserThinkingEnables();
11542 /* [HGM] if a machine claims the game end we verify this claim */
11543 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11544 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11546 ChessMove trueResult = (ChessMove) -1;
11548 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11549 first.twoMachinesColor[0] :
11550 second.twoMachinesColor[0] ;
11552 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11553 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11554 /* [HGM] verify: engine mate claims accepted if they were flagged */
11555 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11557 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11558 /* [HGM] verify: engine mate claims accepted if they were flagged */
11559 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11561 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11562 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11565 // now verify win claims, but not in drop games, as we don't understand those yet
11566 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11567 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11568 (result == WhiteWins && claimer == 'w' ||
11569 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11570 if (appData.debugMode) {
11571 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11572 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11574 if(result != trueResult) {
11575 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11576 result = claimer == 'w' ? BlackWins : WhiteWins;
11577 resultDetails = buf;
11580 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11581 && (forwardMostMove <= backwardMostMove ||
11582 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11583 (claimer=='b')==(forwardMostMove&1))
11585 /* [HGM] verify: draws that were not flagged are false claims */
11586 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11587 result = claimer == 'w' ? BlackWins : WhiteWins;
11588 resultDetails = buf;
11590 /* (Claiming a loss is accepted no questions asked!) */
11591 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11592 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11593 result = GameUnfinished;
11594 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11596 /* [HGM] bare: don't allow bare King to win */
11597 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11598 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11599 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11600 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11601 && result != GameIsDrawn)
11602 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11603 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11604 int p = (signed char)boards[forwardMostMove][i][j] - color;
11605 if(p >= 0 && p <= (int)WhiteKing) k++;
11606 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11608 if (appData.debugMode) {
11609 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11610 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11612 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11613 result = GameIsDrawn;
11614 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11615 resultDetails = buf;
11621 if(serverMoves != NULL && !loadFlag) { char c = '=';
11622 if(result==WhiteWins) c = '+';
11623 if(result==BlackWins) c = '-';
11624 if(resultDetails != NULL)
11625 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11627 if (resultDetails != NULL) {
11628 gameInfo.result = result;
11629 gameInfo.resultDetails = StrSave(resultDetails);
11631 /* display last move only if game was not loaded from file */
11632 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11633 DisplayMove(currentMove - 1);
11635 if (forwardMostMove != 0) {
11636 if (gameMode != PlayFromGameFile && gameMode != EditGame
11637 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11639 if (*appData.saveGameFile != NULLCHAR) {
11640 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11641 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11643 SaveGameToFile(appData.saveGameFile, TRUE);
11644 } else if (appData.autoSaveGames) {
11645 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11647 if (*appData.savePositionFile != NULLCHAR) {
11648 SavePositionToFile(appData.savePositionFile);
11650 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11654 /* Tell program how game ended in case it is learning */
11655 /* [HGM] Moved this to after saving the PGN, just in case */
11656 /* engine died and we got here through time loss. In that */
11657 /* case we will get a fatal error writing the pipe, which */
11658 /* would otherwise lose us the PGN. */
11659 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11660 /* output during GameEnds should never be fatal anymore */
11661 if (gameMode == MachinePlaysWhite ||
11662 gameMode == MachinePlaysBlack ||
11663 gameMode == TwoMachinesPlay ||
11664 gameMode == IcsPlayingWhite ||
11665 gameMode == IcsPlayingBlack ||
11666 gameMode == BeginningOfGame) {
11668 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11670 if (first.pr != NoProc) {
11671 SendToProgram(buf, &first);
11673 if (second.pr != NoProc &&
11674 gameMode == TwoMachinesPlay) {
11675 SendToProgram(buf, &second);
11680 if (appData.icsActive) {
11681 if (appData.quietPlay &&
11682 (gameMode == IcsPlayingWhite ||
11683 gameMode == IcsPlayingBlack)) {
11684 SendToICS(ics_prefix);
11685 SendToICS("set shout 1\n");
11687 nextGameMode = IcsIdle;
11688 ics_user_moved = FALSE;
11689 /* clean up premove. It's ugly when the game has ended and the
11690 * premove highlights are still on the board.
11693 gotPremove = FALSE;
11694 ClearPremoveHighlights();
11695 DrawPosition(FALSE, boards[currentMove]);
11697 if (whosays == GE_ICS) {
11700 if (gameMode == IcsPlayingWhite)
11702 else if(gameMode == IcsPlayingBlack)
11703 PlayIcsLossSound();
11706 if (gameMode == IcsPlayingBlack)
11708 else if(gameMode == IcsPlayingWhite)
11709 PlayIcsLossSound();
11712 PlayIcsDrawSound();
11715 PlayIcsUnfinishedSound();
11718 if(appData.quitNext) { ExitEvent(0); return; }
11719 } else if (gameMode == EditGame ||
11720 gameMode == PlayFromGameFile ||
11721 gameMode == AnalyzeMode ||
11722 gameMode == AnalyzeFile) {
11723 nextGameMode = gameMode;
11725 nextGameMode = EndOfGame;
11730 nextGameMode = gameMode;
11733 if (appData.noChessProgram) {
11734 gameMode = nextGameMode;
11736 endingGame = 0; /* [HGM] crash */
11741 /* Put first chess program into idle state */
11742 if (first.pr != NoProc &&
11743 (gameMode == MachinePlaysWhite ||
11744 gameMode == MachinePlaysBlack ||
11745 gameMode == TwoMachinesPlay ||
11746 gameMode == IcsPlayingWhite ||
11747 gameMode == IcsPlayingBlack ||
11748 gameMode == BeginningOfGame)) {
11749 SendToProgram("force\n", &first);
11750 if (first.usePing) {
11752 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11753 SendToProgram(buf, &first);
11756 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11757 /* Kill off first chess program */
11758 if (first.isr != NULL)
11759 RemoveInputSource(first.isr);
11762 if (first.pr != NoProc) {
11764 DoSleep( appData.delayBeforeQuit );
11765 SendToProgram("quit\n", &first);
11766 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11767 first.reload = TRUE;
11771 if (second.reuse) {
11772 /* Put second chess program into idle state */
11773 if (second.pr != NoProc &&
11774 gameMode == TwoMachinesPlay) {
11775 SendToProgram("force\n", &second);
11776 if (second.usePing) {
11778 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11779 SendToProgram(buf, &second);
11782 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11783 /* Kill off second chess program */
11784 if (second.isr != NULL)
11785 RemoveInputSource(second.isr);
11788 if (second.pr != NoProc) {
11789 DoSleep( appData.delayBeforeQuit );
11790 SendToProgram("quit\n", &second);
11791 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11792 second.reload = TRUE;
11794 second.pr = NoProc;
11797 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11798 char resChar = '=';
11802 if (first.twoMachinesColor[0] == 'w') {
11805 second.matchWins++;
11810 if (first.twoMachinesColor[0] == 'b') {
11813 second.matchWins++;
11816 case GameUnfinished:
11822 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11823 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11824 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11825 ReserveGame(nextGame, resChar); // sets nextGame
11826 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11827 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11828 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11830 if (nextGame <= appData.matchGames && !abortMatch) {
11831 gameMode = nextGameMode;
11832 matchGame = nextGame; // this will be overruled in tourney mode!
11833 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11834 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11835 endingGame = 0; /* [HGM] crash */
11838 gameMode = nextGameMode;
11839 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11840 first.tidy, second.tidy,
11841 first.matchWins, second.matchWins,
11842 appData.matchGames - (first.matchWins + second.matchWins));
11843 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11844 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11845 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11846 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11847 first.twoMachinesColor = "black\n";
11848 second.twoMachinesColor = "white\n";
11850 first.twoMachinesColor = "white\n";
11851 second.twoMachinesColor = "black\n";
11855 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11856 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11858 gameMode = nextGameMode;
11860 endingGame = 0; /* [HGM] crash */
11861 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11862 if(matchMode == TRUE) { // match through command line: exit with or without popup
11864 ToNrEvent(forwardMostMove);
11865 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11867 } else DisplayFatalError(buf, 0, 0);
11868 } else { // match through menu; just stop, with or without popup
11869 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11872 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11873 } else DisplayNote(buf);
11875 if(ranking) free(ranking);
11879 /* Assumes program was just initialized (initString sent).
11880 Leaves program in force mode. */
11882 FeedMovesToProgram (ChessProgramState *cps, int upto)
11886 if (appData.debugMode)
11887 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11888 startedFromSetupPosition ? "position and " : "",
11889 backwardMostMove, upto, cps->which);
11890 if(currentlyInitializedVariant != gameInfo.variant) {
11892 // [HGM] variantswitch: make engine aware of new variant
11893 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11894 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11895 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11896 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11897 SendToProgram(buf, cps);
11898 currentlyInitializedVariant = gameInfo.variant;
11900 SendToProgram("force\n", cps);
11901 if (startedFromSetupPosition) {
11902 SendBoard(cps, backwardMostMove);
11903 if (appData.debugMode) {
11904 fprintf(debugFP, "feedMoves\n");
11907 for (i = backwardMostMove; i < upto; i++) {
11908 SendMoveToProgram(i, cps);
11914 ResurrectChessProgram ()
11916 /* The chess program may have exited.
11917 If so, restart it and feed it all the moves made so far. */
11918 static int doInit = 0;
11920 if (appData.noChessProgram) return 1;
11922 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11923 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11924 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11925 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11927 if (first.pr != NoProc) return 1;
11928 StartChessProgram(&first);
11930 InitChessProgram(&first, FALSE);
11931 FeedMovesToProgram(&first, currentMove);
11933 if (!first.sendTime) {
11934 /* can't tell gnuchess what its clock should read,
11935 so we bow to its notion. */
11937 timeRemaining[0][currentMove] = whiteTimeRemaining;
11938 timeRemaining[1][currentMove] = blackTimeRemaining;
11941 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11942 appData.icsEngineAnalyze) && first.analysisSupport) {
11943 SendToProgram("analyze\n", &first);
11944 first.analyzing = TRUE;
11950 * Button procedures
11953 Reset (int redraw, int init)
11957 if (appData.debugMode) {
11958 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11959 redraw, init, gameMode);
11961 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11962 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11963 CleanupTail(); // [HGM] vari: delete any stored variations
11964 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11965 pausing = pauseExamInvalid = FALSE;
11966 startedFromSetupPosition = blackPlaysFirst = FALSE;
11968 whiteFlag = blackFlag = FALSE;
11969 userOfferedDraw = FALSE;
11970 hintRequested = bookRequested = FALSE;
11971 first.maybeThinking = FALSE;
11972 second.maybeThinking = FALSE;
11973 first.bookSuspend = FALSE; // [HGM] book
11974 second.bookSuspend = FALSE;
11975 thinkOutput[0] = NULLCHAR;
11976 lastHint[0] = NULLCHAR;
11977 ClearGameInfo(&gameInfo);
11978 gameInfo.variant = StringToVariant(appData.variant);
11979 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
11980 gameInfo.variant = VariantUnknown;
11981 strncpy(engineVariant, appData.variant, MSG_SIZ);
11983 ics_user_moved = ics_clock_paused = FALSE;
11984 ics_getting_history = H_FALSE;
11986 white_holding[0] = black_holding[0] = NULLCHAR;
11987 ClearProgramStats();
11988 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11992 flipView = appData.flipView;
11993 ClearPremoveHighlights();
11994 gotPremove = FALSE;
11995 alarmSounded = FALSE;
11996 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
11998 GameEnds(EndOfFile, NULL, GE_PLAYER);
11999 if(appData.serverMovesName != NULL) {
12000 /* [HGM] prepare to make moves file for broadcasting */
12001 clock_t t = clock();
12002 if(serverMoves != NULL) fclose(serverMoves);
12003 serverMoves = fopen(appData.serverMovesName, "r");
12004 if(serverMoves != NULL) {
12005 fclose(serverMoves);
12006 /* delay 15 sec before overwriting, so all clients can see end */
12007 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12009 serverMoves = fopen(appData.serverMovesName, "w");
12013 gameMode = BeginningOfGame;
12015 if(appData.icsActive) gameInfo.variant = VariantNormal;
12016 currentMove = forwardMostMove = backwardMostMove = 0;
12017 MarkTargetSquares(1);
12018 InitPosition(redraw);
12019 for (i = 0; i < MAX_MOVES; i++) {
12020 if (commentList[i] != NULL) {
12021 free(commentList[i]);
12022 commentList[i] = NULL;
12026 timeRemaining[0][0] = whiteTimeRemaining;
12027 timeRemaining[1][0] = blackTimeRemaining;
12029 if (first.pr == NoProc) {
12030 StartChessProgram(&first);
12033 InitChessProgram(&first, startedFromSetupPosition);
12036 DisplayMessage("", "");
12037 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12038 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12039 ClearMap(); // [HGM] exclude: invalidate map
12043 AutoPlayGameLoop ()
12046 if (!AutoPlayOneMove())
12048 if (matchMode || appData.timeDelay == 0)
12050 if (appData.timeDelay < 0)
12052 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12060 ReloadGame(1); // next game
12066 int fromX, fromY, toX, toY;
12068 if (appData.debugMode) {
12069 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12072 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12075 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12076 pvInfoList[currentMove].depth = programStats.depth;
12077 pvInfoList[currentMove].score = programStats.score;
12078 pvInfoList[currentMove].time = 0;
12079 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12080 else { // append analysis of final position as comment
12082 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12083 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12085 programStats.depth = 0;
12088 if (currentMove >= forwardMostMove) {
12089 if(gameMode == AnalyzeFile) {
12090 if(appData.loadGameIndex == -1) {
12091 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12092 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12094 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12097 // gameMode = EndOfGame;
12098 // ModeHighlight();
12100 /* [AS] Clear current move marker at the end of a game */
12101 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12106 toX = moveList[currentMove][2] - AAA;
12107 toY = moveList[currentMove][3] - ONE;
12109 if (moveList[currentMove][1] == '@') {
12110 if (appData.highlightLastMove) {
12111 SetHighlights(-1, -1, toX, toY);
12114 fromX = moveList[currentMove][0] - AAA;
12115 fromY = moveList[currentMove][1] - ONE;
12117 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12119 if(moveList[currentMove][4] == ';') { // multi-leg
12120 killX = moveList[currentMove][5] - AAA;
12121 killY = moveList[currentMove][6] - ONE;
12123 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12124 killX = killY = -1;
12126 if (appData.highlightLastMove) {
12127 SetHighlights(fromX, fromY, toX, toY);
12130 DisplayMove(currentMove);
12131 SendMoveToProgram(currentMove++, &first);
12132 DisplayBothClocks();
12133 DrawPosition(FALSE, boards[currentMove]);
12134 // [HGM] PV info: always display, routine tests if empty
12135 DisplayComment(currentMove - 1, commentList[currentMove]);
12141 LoadGameOneMove (ChessMove readAhead)
12143 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12144 char promoChar = NULLCHAR;
12145 ChessMove moveType;
12146 char move[MSG_SIZ];
12149 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12150 gameMode != AnalyzeMode && gameMode != Training) {
12155 yyboardindex = forwardMostMove;
12156 if (readAhead != EndOfFile) {
12157 moveType = readAhead;
12159 if (gameFileFP == NULL)
12161 moveType = (ChessMove) Myylex();
12165 switch (moveType) {
12167 if (appData.debugMode)
12168 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12171 /* append the comment but don't display it */
12172 AppendComment(currentMove, p, FALSE);
12175 case WhiteCapturesEnPassant:
12176 case BlackCapturesEnPassant:
12177 case WhitePromotion:
12178 case BlackPromotion:
12179 case WhiteNonPromotion:
12180 case BlackNonPromotion:
12183 case WhiteKingSideCastle:
12184 case WhiteQueenSideCastle:
12185 case BlackKingSideCastle:
12186 case BlackQueenSideCastle:
12187 case WhiteKingSideCastleWild:
12188 case WhiteQueenSideCastleWild:
12189 case BlackKingSideCastleWild:
12190 case BlackQueenSideCastleWild:
12192 case WhiteHSideCastleFR:
12193 case WhiteASideCastleFR:
12194 case BlackHSideCastleFR:
12195 case BlackASideCastleFR:
12197 if (appData.debugMode)
12198 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12199 fromX = currentMoveString[0] - AAA;
12200 fromY = currentMoveString[1] - ONE;
12201 toX = currentMoveString[2] - AAA;
12202 toY = currentMoveString[3] - ONE;
12203 promoChar = currentMoveString[4];
12204 if(promoChar == ';') promoChar = currentMoveString[7];
12209 if (appData.debugMode)
12210 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12211 fromX = moveType == WhiteDrop ?
12212 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12213 (int) CharToPiece(ToLower(currentMoveString[0]));
12215 toX = currentMoveString[2] - AAA;
12216 toY = currentMoveString[3] - ONE;
12222 case GameUnfinished:
12223 if (appData.debugMode)
12224 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12225 p = strchr(yy_text, '{');
12226 if (p == NULL) p = strchr(yy_text, '(');
12229 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12231 q = strchr(p, *p == '{' ? '}' : ')');
12232 if (q != NULL) *q = NULLCHAR;
12235 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12236 GameEnds(moveType, p, GE_FILE);
12238 if (cmailMsgLoaded) {
12240 flipView = WhiteOnMove(currentMove);
12241 if (moveType == GameUnfinished) flipView = !flipView;
12242 if (appData.debugMode)
12243 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12248 if (appData.debugMode)
12249 fprintf(debugFP, "Parser hit end of file\n");
12250 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12256 if (WhiteOnMove(currentMove)) {
12257 GameEnds(BlackWins, "Black mates", GE_FILE);
12259 GameEnds(WhiteWins, "White mates", GE_FILE);
12263 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12269 case MoveNumberOne:
12270 if (lastLoadGameStart == GNUChessGame) {
12271 /* GNUChessGames have numbers, but they aren't move numbers */
12272 if (appData.debugMode)
12273 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12274 yy_text, (int) moveType);
12275 return LoadGameOneMove(EndOfFile); /* tail recursion */
12277 /* else fall thru */
12282 /* Reached start of next game in file */
12283 if (appData.debugMode)
12284 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12285 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12291 if (WhiteOnMove(currentMove)) {
12292 GameEnds(BlackWins, "Black mates", GE_FILE);
12294 GameEnds(WhiteWins, "White mates", GE_FILE);
12298 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12304 case PositionDiagram: /* should not happen; ignore */
12305 case ElapsedTime: /* ignore */
12306 case NAG: /* ignore */
12307 if (appData.debugMode)
12308 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12309 yy_text, (int) moveType);
12310 return LoadGameOneMove(EndOfFile); /* tail recursion */
12313 if (appData.testLegality) {
12314 if (appData.debugMode)
12315 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12316 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12317 (forwardMostMove / 2) + 1,
12318 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12319 DisplayError(move, 0);
12322 if (appData.debugMode)
12323 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12324 yy_text, currentMoveString);
12325 if(currentMoveString[1] == '@') {
12326 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12329 fromX = currentMoveString[0] - AAA;
12330 fromY = currentMoveString[1] - ONE;
12332 toX = currentMoveString[2] - AAA;
12333 toY = currentMoveString[3] - ONE;
12334 promoChar = currentMoveString[4];
12338 case AmbiguousMove:
12339 if (appData.debugMode)
12340 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12341 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12342 (forwardMostMove / 2) + 1,
12343 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12344 DisplayError(move, 0);
12349 case ImpossibleMove:
12350 if (appData.debugMode)
12351 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12352 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12353 (forwardMostMove / 2) + 1,
12354 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12355 DisplayError(move, 0);
12361 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12362 DrawPosition(FALSE, boards[currentMove]);
12363 DisplayBothClocks();
12364 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12365 DisplayComment(currentMove - 1, commentList[currentMove]);
12367 (void) StopLoadGameTimer();
12369 cmailOldMove = forwardMostMove;
12372 /* currentMoveString is set as a side-effect of yylex */
12374 thinkOutput[0] = NULLCHAR;
12375 MakeMove(fromX, fromY, toX, toY, promoChar);
12376 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12377 currentMove = forwardMostMove;
12382 /* Load the nth game from the given file */
12384 LoadGameFromFile (char *filename, int n, char *title, int useList)
12389 if (strcmp(filename, "-") == 0) {
12393 f = fopen(filename, "rb");
12395 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12396 DisplayError(buf, errno);
12400 if (fseek(f, 0, 0) == -1) {
12401 /* f is not seekable; probably a pipe */
12404 if (useList && n == 0) {
12405 int error = GameListBuild(f);
12407 DisplayError(_("Cannot build game list"), error);
12408 } else if (!ListEmpty(&gameList) &&
12409 ((ListGame *) gameList.tailPred)->number > 1) {
12410 GameListPopUp(f, title);
12417 return LoadGame(f, n, title, FALSE);
12422 MakeRegisteredMove ()
12424 int fromX, fromY, toX, toY;
12426 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12427 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12430 if (appData.debugMode)
12431 fprintf(debugFP, "Restoring %s for game %d\n",
12432 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12434 thinkOutput[0] = NULLCHAR;
12435 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12436 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12437 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12438 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12439 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12440 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12441 MakeMove(fromX, fromY, toX, toY, promoChar);
12442 ShowMove(fromX, fromY, toX, toY);
12444 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12451 if (WhiteOnMove(currentMove)) {
12452 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12454 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12459 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12466 if (WhiteOnMove(currentMove)) {
12467 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12469 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12474 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12485 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12487 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12491 if (gameNumber > nCmailGames) {
12492 DisplayError(_("No more games in this message"), 0);
12495 if (f == lastLoadGameFP) {
12496 int offset = gameNumber - lastLoadGameNumber;
12498 cmailMsg[0] = NULLCHAR;
12499 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12500 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12501 nCmailMovesRegistered--;
12503 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12504 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12505 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12508 if (! RegisterMove()) return FALSE;
12512 retVal = LoadGame(f, gameNumber, title, useList);
12514 /* Make move registered during previous look at this game, if any */
12515 MakeRegisteredMove();
12517 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12518 commentList[currentMove]
12519 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12520 DisplayComment(currentMove - 1, commentList[currentMove]);
12526 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12528 ReloadGame (int offset)
12530 int gameNumber = lastLoadGameNumber + offset;
12531 if (lastLoadGameFP == NULL) {
12532 DisplayError(_("No game has been loaded yet"), 0);
12535 if (gameNumber <= 0) {
12536 DisplayError(_("Can't back up any further"), 0);
12539 if (cmailMsgLoaded) {
12540 return CmailLoadGame(lastLoadGameFP, gameNumber,
12541 lastLoadGameTitle, lastLoadGameUseList);
12543 return LoadGame(lastLoadGameFP, gameNumber,
12544 lastLoadGameTitle, lastLoadGameUseList);
12548 int keys[EmptySquare+1];
12551 PositionMatches (Board b1, Board b2)
12554 switch(appData.searchMode) {
12555 case 1: return CompareWithRights(b1, b2);
12557 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12558 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12562 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12563 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12564 sum += keys[b1[r][f]] - keys[b2[r][f]];
12568 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12569 sum += keys[b1[r][f]] - keys[b2[r][f]];
12581 int pieceList[256], quickBoard[256];
12582 ChessSquare pieceType[256] = { EmptySquare };
12583 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12584 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12585 int soughtTotal, turn;
12586 Boolean epOK, flipSearch;
12589 unsigned char piece, to;
12592 #define DSIZE (250000)
12594 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12595 Move *moveDatabase = initialSpace;
12596 unsigned int movePtr, dataSize = DSIZE;
12599 MakePieceList (Board board, int *counts)
12601 int r, f, n=Q_PROMO, total=0;
12602 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12603 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12604 int sq = f + (r<<4);
12605 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12606 quickBoard[sq] = ++n;
12608 pieceType[n] = board[r][f];
12609 counts[board[r][f]]++;
12610 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12611 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12615 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12620 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12622 int sq = fromX + (fromY<<4);
12623 int piece = quickBoard[sq], rook;
12624 quickBoard[sq] = 0;
12625 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12626 if(piece == pieceList[1] && fromY == toY) {
12627 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12628 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12629 moveDatabase[movePtr++].piece = Q_WCASTL;
12630 quickBoard[sq] = piece;
12631 piece = quickBoard[from]; quickBoard[from] = 0;
12632 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12633 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12634 quickBoard[sq] = 0; // remove Rook
12635 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12636 moveDatabase[movePtr++].piece = Q_WCASTL;
12637 quickBoard[sq] = pieceList[1]; // put King
12639 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12642 if(piece == pieceList[2] && fromY == toY) {
12643 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12644 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12645 moveDatabase[movePtr++].piece = Q_BCASTL;
12646 quickBoard[sq] = piece;
12647 piece = quickBoard[from]; quickBoard[from] = 0;
12648 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12649 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12650 quickBoard[sq] = 0; // remove Rook
12651 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12652 moveDatabase[movePtr++].piece = Q_BCASTL;
12653 quickBoard[sq] = pieceList[2]; // put King
12655 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12658 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12659 quickBoard[(fromY<<4)+toX] = 0;
12660 moveDatabase[movePtr].piece = Q_EP;
12661 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12662 moveDatabase[movePtr].to = sq;
12664 if(promoPiece != pieceType[piece]) {
12665 moveDatabase[movePtr++].piece = Q_PROMO;
12666 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12668 moveDatabase[movePtr].piece = piece;
12669 quickBoard[sq] = piece;
12674 PackGame (Board board)
12676 Move *newSpace = NULL;
12677 moveDatabase[movePtr].piece = 0; // terminate previous game
12678 if(movePtr > dataSize) {
12679 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12680 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12681 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12684 Move *p = moveDatabase, *q = newSpace;
12685 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12686 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12687 moveDatabase = newSpace;
12688 } else { // calloc failed, we must be out of memory. Too bad...
12689 dataSize = 0; // prevent calloc events for all subsequent games
12690 return 0; // and signal this one isn't cached
12694 MakePieceList(board, counts);
12699 QuickCompare (Board board, int *minCounts, int *maxCounts)
12700 { // compare according to search mode
12702 switch(appData.searchMode)
12704 case 1: // exact position match
12705 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12706 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12707 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12710 case 2: // can have extra material on empty squares
12711 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12712 if(board[r][f] == EmptySquare) continue;
12713 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12716 case 3: // material with exact Pawn structure
12717 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12718 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12719 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12720 } // fall through to material comparison
12721 case 4: // exact material
12722 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12724 case 6: // material range with given imbalance
12725 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12726 // fall through to range comparison
12727 case 5: // material range
12728 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12734 QuickScan (Board board, Move *move)
12735 { // reconstruct game,and compare all positions in it
12736 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12738 int piece = move->piece;
12739 int to = move->to, from = pieceList[piece];
12740 if(found < 0) { // if already found just scan to game end for final piece count
12741 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12742 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12743 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12744 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12746 static int lastCounts[EmptySquare+1];
12748 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12749 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12750 } else stretch = 0;
12751 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12752 if(found >= 0 && !appData.minPieces) return found;
12754 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12755 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12756 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12757 piece = (++move)->piece;
12758 from = pieceList[piece];
12759 counts[pieceType[piece]]--;
12760 pieceType[piece] = (ChessSquare) move->to;
12761 counts[move->to]++;
12762 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12763 counts[pieceType[quickBoard[to]]]--;
12764 quickBoard[to] = 0; total--;
12767 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12768 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12769 from = pieceList[piece]; // so this must be King
12770 quickBoard[from] = 0;
12771 pieceList[piece] = to;
12772 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12773 quickBoard[from] = 0; // rook
12774 quickBoard[to] = piece;
12775 to = move->to; piece = move->piece;
12779 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12780 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12781 quickBoard[from] = 0;
12783 quickBoard[to] = piece;
12784 pieceList[piece] = to;
12794 flipSearch = FALSE;
12795 CopyBoard(soughtBoard, boards[currentMove]);
12796 soughtTotal = MakePieceList(soughtBoard, maxSought);
12797 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12798 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12799 CopyBoard(reverseBoard, boards[currentMove]);
12800 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12801 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12802 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12803 reverseBoard[r][f] = piece;
12805 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12806 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12807 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12808 || (boards[currentMove][CASTLING][2] == NoRights ||
12809 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12810 && (boards[currentMove][CASTLING][5] == NoRights ||
12811 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12814 CopyBoard(flipBoard, soughtBoard);
12815 CopyBoard(rotateBoard, reverseBoard);
12816 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12817 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12818 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12821 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12822 if(appData.searchMode >= 5) {
12823 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12824 MakePieceList(soughtBoard, minSought);
12825 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12827 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12828 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12831 GameInfo dummyInfo;
12832 static int creatingBook;
12835 GameContainsPosition (FILE *f, ListGame *lg)
12837 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12838 int fromX, fromY, toX, toY;
12840 static int initDone=FALSE;
12842 // weed out games based on numerical tag comparison
12843 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12844 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12845 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12846 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12848 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12851 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12852 else CopyBoard(boards[scratch], initialPosition); // default start position
12855 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12856 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12859 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12860 fseek(f, lg->offset, 0);
12863 yyboardindex = scratch;
12864 quickFlag = plyNr+1;
12869 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12875 if(plyNr) return -1; // after we have seen moves, this is for new game
12878 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12879 case ImpossibleMove:
12880 case WhiteWins: // game ends here with these four
12883 case GameUnfinished:
12887 if(appData.testLegality) return -1;
12888 case WhiteCapturesEnPassant:
12889 case BlackCapturesEnPassant:
12890 case WhitePromotion:
12891 case BlackPromotion:
12892 case WhiteNonPromotion:
12893 case BlackNonPromotion:
12896 case WhiteKingSideCastle:
12897 case WhiteQueenSideCastle:
12898 case BlackKingSideCastle:
12899 case BlackQueenSideCastle:
12900 case WhiteKingSideCastleWild:
12901 case WhiteQueenSideCastleWild:
12902 case BlackKingSideCastleWild:
12903 case BlackQueenSideCastleWild:
12904 case WhiteHSideCastleFR:
12905 case WhiteASideCastleFR:
12906 case BlackHSideCastleFR:
12907 case BlackASideCastleFR:
12908 fromX = currentMoveString[0] - AAA;
12909 fromY = currentMoveString[1] - ONE;
12910 toX = currentMoveString[2] - AAA;
12911 toY = currentMoveString[3] - ONE;
12912 promoChar = currentMoveString[4];
12916 fromX = next == WhiteDrop ?
12917 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12918 (int) CharToPiece(ToLower(currentMoveString[0]));
12920 toX = currentMoveString[2] - AAA;
12921 toY = currentMoveString[3] - ONE;
12925 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12927 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12928 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12929 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12930 if(appData.findMirror) {
12931 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12932 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12937 /* Load the nth game from open file f */
12939 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12943 int gn = gameNumber;
12944 ListGame *lg = NULL;
12945 int numPGNTags = 0, i;
12947 GameMode oldGameMode;
12948 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12949 char oldName[MSG_SIZ];
12951 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12953 if (appData.debugMode)
12954 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12956 if (gameMode == Training )
12957 SetTrainingModeOff();
12959 oldGameMode = gameMode;
12960 if (gameMode != BeginningOfGame) {
12961 Reset(FALSE, TRUE);
12963 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12966 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12967 fclose(lastLoadGameFP);
12971 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12974 fseek(f, lg->offset, 0);
12975 GameListHighlight(gameNumber);
12976 pos = lg->position;
12980 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12981 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12983 DisplayError(_("Game number out of range"), 0);
12988 if (fseek(f, 0, 0) == -1) {
12989 if (f == lastLoadGameFP ?
12990 gameNumber == lastLoadGameNumber + 1 :
12994 DisplayError(_("Can't seek on game file"), 0);
12999 lastLoadGameFP = f;
13000 lastLoadGameNumber = gameNumber;
13001 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13002 lastLoadGameUseList = useList;
13006 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13007 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13008 lg->gameInfo.black);
13010 } else if (*title != NULLCHAR) {
13011 if (gameNumber > 1) {
13012 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13015 DisplayTitle(title);
13019 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13020 gameMode = PlayFromGameFile;
13024 currentMove = forwardMostMove = backwardMostMove = 0;
13025 CopyBoard(boards[0], initialPosition);
13029 * Skip the first gn-1 games in the file.
13030 * Also skip over anything that precedes an identifiable
13031 * start of game marker, to avoid being confused by
13032 * garbage at the start of the file. Currently
13033 * recognized start of game markers are the move number "1",
13034 * the pattern "gnuchess .* game", the pattern
13035 * "^[#;%] [^ ]* game file", and a PGN tag block.
13036 * A game that starts with one of the latter two patterns
13037 * will also have a move number 1, possibly
13038 * following a position diagram.
13039 * 5-4-02: Let's try being more lenient and allowing a game to
13040 * start with an unnumbered move. Does that break anything?
13042 cm = lastLoadGameStart = EndOfFile;
13044 yyboardindex = forwardMostMove;
13045 cm = (ChessMove) Myylex();
13048 if (cmailMsgLoaded) {
13049 nCmailGames = CMAIL_MAX_GAMES - gn;
13052 DisplayError(_("Game not found in file"), 0);
13059 lastLoadGameStart = cm;
13062 case MoveNumberOne:
13063 switch (lastLoadGameStart) {
13068 case MoveNumberOne:
13070 gn--; /* count this game */
13071 lastLoadGameStart = cm;
13080 switch (lastLoadGameStart) {
13083 case MoveNumberOne:
13085 gn--; /* count this game */
13086 lastLoadGameStart = cm;
13089 lastLoadGameStart = cm; /* game counted already */
13097 yyboardindex = forwardMostMove;
13098 cm = (ChessMove) Myylex();
13099 } while (cm == PGNTag || cm == Comment);
13106 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13107 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13108 != CMAIL_OLD_RESULT) {
13110 cmailResult[ CMAIL_MAX_GAMES
13111 - gn - 1] = CMAIL_OLD_RESULT;
13118 /* Only a NormalMove can be at the start of a game
13119 * without a position diagram. */
13120 if (lastLoadGameStart == EndOfFile ) {
13122 lastLoadGameStart = MoveNumberOne;
13131 if (appData.debugMode)
13132 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13134 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13136 if (cm == XBoardGame) {
13137 /* Skip any header junk before position diagram and/or move 1 */
13139 yyboardindex = forwardMostMove;
13140 cm = (ChessMove) Myylex();
13142 if (cm == EndOfFile ||
13143 cm == GNUChessGame || cm == XBoardGame) {
13144 /* Empty game; pretend end-of-file and handle later */
13149 if (cm == MoveNumberOne || cm == PositionDiagram ||
13150 cm == PGNTag || cm == Comment)
13153 } else if (cm == GNUChessGame) {
13154 if (gameInfo.event != NULL) {
13155 free(gameInfo.event);
13157 gameInfo.event = StrSave(yy_text);
13160 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13161 while (cm == PGNTag) {
13162 if (appData.debugMode)
13163 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13164 err = ParsePGNTag(yy_text, &gameInfo);
13165 if (!err) numPGNTags++;
13167 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13168 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13169 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13170 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13171 InitPosition(TRUE);
13172 oldVariant = gameInfo.variant;
13173 if (appData.debugMode)
13174 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13178 if (gameInfo.fen != NULL) {
13179 Board initial_position;
13180 startedFromSetupPosition = TRUE;
13181 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13183 DisplayError(_("Bad FEN position in file"), 0);
13186 CopyBoard(boards[0], initial_position);
13187 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13188 CopyBoard(initialPosition, initial_position);
13189 if (blackPlaysFirst) {
13190 currentMove = forwardMostMove = backwardMostMove = 1;
13191 CopyBoard(boards[1], initial_position);
13192 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13193 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13194 timeRemaining[0][1] = whiteTimeRemaining;
13195 timeRemaining[1][1] = blackTimeRemaining;
13196 if (commentList[0] != NULL) {
13197 commentList[1] = commentList[0];
13198 commentList[0] = NULL;
13201 currentMove = forwardMostMove = backwardMostMove = 0;
13203 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13205 initialRulePlies = FENrulePlies;
13206 for( i=0; i< nrCastlingRights; i++ )
13207 initialRights[i] = initial_position[CASTLING][i];
13209 yyboardindex = forwardMostMove;
13210 free(gameInfo.fen);
13211 gameInfo.fen = NULL;
13214 yyboardindex = forwardMostMove;
13215 cm = (ChessMove) Myylex();
13217 /* Handle comments interspersed among the tags */
13218 while (cm == Comment) {
13220 if (appData.debugMode)
13221 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13223 AppendComment(currentMove, p, FALSE);
13224 yyboardindex = forwardMostMove;
13225 cm = (ChessMove) Myylex();
13229 /* don't rely on existence of Event tag since if game was
13230 * pasted from clipboard the Event tag may not exist
13232 if (numPGNTags > 0){
13234 if (gameInfo.variant == VariantNormal) {
13235 VariantClass v = StringToVariant(gameInfo.event);
13236 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13237 if(v < VariantShogi) gameInfo.variant = v;
13240 if( appData.autoDisplayTags ) {
13241 tags = PGNTags(&gameInfo);
13242 TagsPopUp(tags, CmailMsg());
13247 /* Make something up, but don't display it now */
13252 if (cm == PositionDiagram) {
13255 Board initial_position;
13257 if (appData.debugMode)
13258 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13260 if (!startedFromSetupPosition) {
13262 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13263 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13274 initial_position[i][j++] = CharToPiece(*p);
13277 while (*p == ' ' || *p == '\t' ||
13278 *p == '\n' || *p == '\r') p++;
13280 if (strncmp(p, "black", strlen("black"))==0)
13281 blackPlaysFirst = TRUE;
13283 blackPlaysFirst = FALSE;
13284 startedFromSetupPosition = TRUE;
13286 CopyBoard(boards[0], initial_position);
13287 if (blackPlaysFirst) {
13288 currentMove = forwardMostMove = backwardMostMove = 1;
13289 CopyBoard(boards[1], initial_position);
13290 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13291 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13292 timeRemaining[0][1] = whiteTimeRemaining;
13293 timeRemaining[1][1] = blackTimeRemaining;
13294 if (commentList[0] != NULL) {
13295 commentList[1] = commentList[0];
13296 commentList[0] = NULL;
13299 currentMove = forwardMostMove = backwardMostMove = 0;
13302 yyboardindex = forwardMostMove;
13303 cm = (ChessMove) Myylex();
13306 if(!creatingBook) {
13307 if (first.pr == NoProc) {
13308 StartChessProgram(&first);
13310 InitChessProgram(&first, FALSE);
13311 if(gameInfo.variant == VariantUnknown && *oldName) {
13312 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13313 gameInfo.variant = v;
13315 SendToProgram("force\n", &first);
13316 if (startedFromSetupPosition) {
13317 SendBoard(&first, forwardMostMove);
13318 if (appData.debugMode) {
13319 fprintf(debugFP, "Load Game\n");
13321 DisplayBothClocks();
13325 /* [HGM] server: flag to write setup moves in broadcast file as one */
13326 loadFlag = appData.suppressLoadMoves;
13328 while (cm == Comment) {
13330 if (appData.debugMode)
13331 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13333 AppendComment(currentMove, p, FALSE);
13334 yyboardindex = forwardMostMove;
13335 cm = (ChessMove) Myylex();
13338 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13339 cm == WhiteWins || cm == BlackWins ||
13340 cm == GameIsDrawn || cm == GameUnfinished) {
13341 DisplayMessage("", _("No moves in game"));
13342 if (cmailMsgLoaded) {
13343 if (appData.debugMode)
13344 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13348 DrawPosition(FALSE, boards[currentMove]);
13349 DisplayBothClocks();
13350 gameMode = EditGame;
13357 // [HGM] PV info: routine tests if comment empty
13358 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13359 DisplayComment(currentMove - 1, commentList[currentMove]);
13361 if (!matchMode && appData.timeDelay != 0)
13362 DrawPosition(FALSE, boards[currentMove]);
13364 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13365 programStats.ok_to_send = 1;
13368 /* if the first token after the PGN tags is a move
13369 * and not move number 1, retrieve it from the parser
13371 if (cm != MoveNumberOne)
13372 LoadGameOneMove(cm);
13374 /* load the remaining moves from the file */
13375 while (LoadGameOneMove(EndOfFile)) {
13376 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13377 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13380 /* rewind to the start of the game */
13381 currentMove = backwardMostMove;
13383 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13385 if (oldGameMode == AnalyzeFile) {
13386 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13387 AnalyzeFileEvent();
13389 if (oldGameMode == AnalyzeMode) {
13390 AnalyzeFileEvent();
13393 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13394 long int w, b; // [HGM] adjourn: restore saved clock times
13395 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13396 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13397 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13398 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13402 if(creatingBook) return TRUE;
13403 if (!matchMode && pos > 0) {
13404 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13406 if (matchMode || appData.timeDelay == 0) {
13408 } else if (appData.timeDelay > 0) {
13409 AutoPlayGameLoop();
13412 if (appData.debugMode)
13413 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13415 loadFlag = 0; /* [HGM] true game starts */
13419 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13421 ReloadPosition (int offset)
13423 int positionNumber = lastLoadPositionNumber + offset;
13424 if (lastLoadPositionFP == NULL) {
13425 DisplayError(_("No position has been loaded yet"), 0);
13428 if (positionNumber <= 0) {
13429 DisplayError(_("Can't back up any further"), 0);
13432 return LoadPosition(lastLoadPositionFP, positionNumber,
13433 lastLoadPositionTitle);
13436 /* Load the nth position from the given file */
13438 LoadPositionFromFile (char *filename, int n, char *title)
13443 if (strcmp(filename, "-") == 0) {
13444 return LoadPosition(stdin, n, "stdin");
13446 f = fopen(filename, "rb");
13448 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13449 DisplayError(buf, errno);
13452 return LoadPosition(f, n, title);
13457 /* Load the nth position from the given open file, and close it */
13459 LoadPosition (FILE *f, int positionNumber, char *title)
13461 char *p, line[MSG_SIZ];
13462 Board initial_position;
13463 int i, j, fenMode, pn;
13465 if (gameMode == Training )
13466 SetTrainingModeOff();
13468 if (gameMode != BeginningOfGame) {
13469 Reset(FALSE, TRUE);
13471 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13472 fclose(lastLoadPositionFP);
13474 if (positionNumber == 0) positionNumber = 1;
13475 lastLoadPositionFP = f;
13476 lastLoadPositionNumber = positionNumber;
13477 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13478 if (first.pr == NoProc && !appData.noChessProgram) {
13479 StartChessProgram(&first);
13480 InitChessProgram(&first, FALSE);
13482 pn = positionNumber;
13483 if (positionNumber < 0) {
13484 /* Negative position number means to seek to that byte offset */
13485 if (fseek(f, -positionNumber, 0) == -1) {
13486 DisplayError(_("Can't seek on position file"), 0);
13491 if (fseek(f, 0, 0) == -1) {
13492 if (f == lastLoadPositionFP ?
13493 positionNumber == lastLoadPositionNumber + 1 :
13494 positionNumber == 1) {
13497 DisplayError(_("Can't seek on position file"), 0);
13502 /* See if this file is FEN or old-style xboard */
13503 if (fgets(line, MSG_SIZ, f) == NULL) {
13504 DisplayError(_("Position not found in file"), 0);
13507 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13508 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13511 if (fenMode || line[0] == '#') pn--;
13513 /* skip positions before number pn */
13514 if (fgets(line, MSG_SIZ, f) == NULL) {
13516 DisplayError(_("Position not found in file"), 0);
13519 if (fenMode || line[0] == '#') pn--;
13525 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13526 DisplayError(_("Bad FEN position in file"), 0);
13529 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13530 sscanf(p+3, "%s", bestMove);
13531 } else *bestMove = NULLCHAR;
13533 (void) fgets(line, MSG_SIZ, f);
13534 (void) fgets(line, MSG_SIZ, f);
13536 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13537 (void) fgets(line, MSG_SIZ, f);
13538 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13541 initial_position[i][j++] = CharToPiece(*p);
13545 blackPlaysFirst = FALSE;
13547 (void) fgets(line, MSG_SIZ, f);
13548 if (strncmp(line, "black", strlen("black"))==0)
13549 blackPlaysFirst = TRUE;
13552 startedFromSetupPosition = TRUE;
13554 CopyBoard(boards[0], initial_position);
13555 if (blackPlaysFirst) {
13556 currentMove = forwardMostMove = backwardMostMove = 1;
13557 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13558 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13559 CopyBoard(boards[1], initial_position);
13560 DisplayMessage("", _("Black to play"));
13562 currentMove = forwardMostMove = backwardMostMove = 0;
13563 DisplayMessage("", _("White to play"));
13565 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13566 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13567 SendToProgram("force\n", &first);
13568 SendBoard(&first, forwardMostMove);
13570 if (appData.debugMode) {
13572 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13573 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13574 fprintf(debugFP, "Load Position\n");
13577 if (positionNumber > 1) {
13578 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13579 DisplayTitle(line);
13581 DisplayTitle(title);
13583 gameMode = EditGame;
13586 timeRemaining[0][1] = whiteTimeRemaining;
13587 timeRemaining[1][1] = blackTimeRemaining;
13588 DrawPosition(FALSE, boards[currentMove]);
13595 CopyPlayerNameIntoFileName (char **dest, char *src)
13597 while (*src != NULLCHAR && *src != ',') {
13602 *(*dest)++ = *src++;
13608 DefaultFileName (char *ext)
13610 static char def[MSG_SIZ];
13613 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13615 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13617 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13619 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13626 /* Save the current game to the given file */
13628 SaveGameToFile (char *filename, int append)
13632 int result, i, t,tot=0;
13634 if (strcmp(filename, "-") == 0) {
13635 return SaveGame(stdout, 0, NULL);
13637 for(i=0; i<10; i++) { // upto 10 tries
13638 f = fopen(filename, append ? "a" : "w");
13639 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13640 if(f || errno != 13) break;
13641 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13645 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13646 DisplayError(buf, errno);
13649 safeStrCpy(buf, lastMsg, MSG_SIZ);
13650 DisplayMessage(_("Waiting for access to save file"), "");
13651 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13652 DisplayMessage(_("Saving game"), "");
13653 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13654 result = SaveGame(f, 0, NULL);
13655 DisplayMessage(buf, "");
13662 SavePart (char *str)
13664 static char buf[MSG_SIZ];
13667 p = strchr(str, ' ');
13668 if (p == NULL) return str;
13669 strncpy(buf, str, p - str);
13670 buf[p - str] = NULLCHAR;
13674 #define PGN_MAX_LINE 75
13676 #define PGN_SIDE_WHITE 0
13677 #define PGN_SIDE_BLACK 1
13680 FindFirstMoveOutOfBook (int side)
13684 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13685 int index = backwardMostMove;
13686 int has_book_hit = 0;
13688 if( (index % 2) != side ) {
13692 while( index < forwardMostMove ) {
13693 /* Check to see if engine is in book */
13694 int depth = pvInfoList[index].depth;
13695 int score = pvInfoList[index].score;
13701 else if( score == 0 && depth == 63 ) {
13702 in_book = 1; /* Zappa */
13704 else if( score == 2 && depth == 99 ) {
13705 in_book = 1; /* Abrok */
13708 has_book_hit += in_book;
13724 GetOutOfBookInfo (char * buf)
13728 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13730 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13731 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13735 if( oob[0] >= 0 || oob[1] >= 0 ) {
13736 for( i=0; i<2; i++ ) {
13740 if( i > 0 && oob[0] >= 0 ) {
13741 strcat( buf, " " );
13744 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13745 sprintf( buf+strlen(buf), "%s%.2f",
13746 pvInfoList[idx].score >= 0 ? "+" : "",
13747 pvInfoList[idx].score / 100.0 );
13753 /* Save game in PGN style */
13755 SaveGamePGN2 (FILE *f)
13757 int i, offset, linelen, newblock;
13760 int movelen, numlen, blank;
13761 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13763 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13765 PrintPGNTags(f, &gameInfo);
13767 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13769 if (backwardMostMove > 0 || startedFromSetupPosition) {
13770 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13771 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13772 fprintf(f, "\n{--------------\n");
13773 PrintPosition(f, backwardMostMove);
13774 fprintf(f, "--------------}\n");
13778 /* [AS] Out of book annotation */
13779 if( appData.saveOutOfBookInfo ) {
13782 GetOutOfBookInfo( buf );
13784 if( buf[0] != '\0' ) {
13785 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13792 i = backwardMostMove;
13796 while (i < forwardMostMove) {
13797 /* Print comments preceding this move */
13798 if (commentList[i] != NULL) {
13799 if (linelen > 0) fprintf(f, "\n");
13800 fprintf(f, "%s", commentList[i]);
13805 /* Format move number */
13807 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13810 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13812 numtext[0] = NULLCHAR;
13814 numlen = strlen(numtext);
13817 /* Print move number */
13818 blank = linelen > 0 && numlen > 0;
13819 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13828 fprintf(f, "%s", numtext);
13832 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13833 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13836 blank = linelen > 0 && movelen > 0;
13837 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13846 fprintf(f, "%s", move_buffer);
13847 linelen += movelen;
13849 /* [AS] Add PV info if present */
13850 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13851 /* [HGM] add time */
13852 char buf[MSG_SIZ]; int seconds;
13854 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13860 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13863 seconds = (seconds + 4)/10; // round to full seconds
13865 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13867 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13870 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13871 pvInfoList[i].score >= 0 ? "+" : "",
13872 pvInfoList[i].score / 100.0,
13873 pvInfoList[i].depth,
13876 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13878 /* Print score/depth */
13879 blank = linelen > 0 && movelen > 0;
13880 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13889 fprintf(f, "%s", move_buffer);
13890 linelen += movelen;
13896 /* Start a new line */
13897 if (linelen > 0) fprintf(f, "\n");
13899 /* Print comments after last move */
13900 if (commentList[i] != NULL) {
13901 fprintf(f, "%s\n", commentList[i]);
13905 if (gameInfo.resultDetails != NULL &&
13906 gameInfo.resultDetails[0] != NULLCHAR) {
13907 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13908 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13909 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13910 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13911 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13913 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13917 /* Save game in PGN style and close the file */
13919 SaveGamePGN (FILE *f)
13923 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13927 /* Save game in old style and close the file */
13929 SaveGameOldStyle (FILE *f)
13934 tm = time((time_t *) NULL);
13936 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13939 if (backwardMostMove > 0 || startedFromSetupPosition) {
13940 fprintf(f, "\n[--------------\n");
13941 PrintPosition(f, backwardMostMove);
13942 fprintf(f, "--------------]\n");
13947 i = backwardMostMove;
13948 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13950 while (i < forwardMostMove) {
13951 if (commentList[i] != NULL) {
13952 fprintf(f, "[%s]\n", commentList[i]);
13955 if ((i % 2) == 1) {
13956 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13959 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13961 if (commentList[i] != NULL) {
13965 if (i >= forwardMostMove) {
13969 fprintf(f, "%s\n", parseList[i]);
13974 if (commentList[i] != NULL) {
13975 fprintf(f, "[%s]\n", commentList[i]);
13978 /* This isn't really the old style, but it's close enough */
13979 if (gameInfo.resultDetails != NULL &&
13980 gameInfo.resultDetails[0] != NULLCHAR) {
13981 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13982 gameInfo.resultDetails);
13984 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13991 /* Save the current game to open file f and close the file */
13993 SaveGame (FILE *f, int dummy, char *dummy2)
13995 if (gameMode == EditPosition) EditPositionDone(TRUE);
13996 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13997 if (appData.oldSaveStyle)
13998 return SaveGameOldStyle(f);
14000 return SaveGamePGN(f);
14003 /* Save the current position to the given file */
14005 SavePositionToFile (char *filename)
14010 if (strcmp(filename, "-") == 0) {
14011 return SavePosition(stdout, 0, NULL);
14013 f = fopen(filename, "a");
14015 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14016 DisplayError(buf, errno);
14019 safeStrCpy(buf, lastMsg, MSG_SIZ);
14020 DisplayMessage(_("Waiting for access to save file"), "");
14021 flock(fileno(f), LOCK_EX); // [HGM] lock
14022 DisplayMessage(_("Saving position"), "");
14023 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14024 SavePosition(f, 0, NULL);
14025 DisplayMessage(buf, "");
14031 /* Save the current position to the given open file and close the file */
14033 SavePosition (FILE *f, int dummy, char *dummy2)
14038 if (gameMode == EditPosition) EditPositionDone(TRUE);
14039 if (appData.oldSaveStyle) {
14040 tm = time((time_t *) NULL);
14042 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14044 fprintf(f, "[--------------\n");
14045 PrintPosition(f, currentMove);
14046 fprintf(f, "--------------]\n");
14048 fen = PositionToFEN(currentMove, NULL, 1);
14049 fprintf(f, "%s\n", fen);
14057 ReloadCmailMsgEvent (int unregister)
14060 static char *inFilename = NULL;
14061 static char *outFilename;
14063 struct stat inbuf, outbuf;
14066 /* Any registered moves are unregistered if unregister is set, */
14067 /* i.e. invoked by the signal handler */
14069 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14070 cmailMoveRegistered[i] = FALSE;
14071 if (cmailCommentList[i] != NULL) {
14072 free(cmailCommentList[i]);
14073 cmailCommentList[i] = NULL;
14076 nCmailMovesRegistered = 0;
14079 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14080 cmailResult[i] = CMAIL_NOT_RESULT;
14084 if (inFilename == NULL) {
14085 /* Because the filenames are static they only get malloced once */
14086 /* and they never get freed */
14087 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14088 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14090 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14091 sprintf(outFilename, "%s.out", appData.cmailGameName);
14094 status = stat(outFilename, &outbuf);
14096 cmailMailedMove = FALSE;
14098 status = stat(inFilename, &inbuf);
14099 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14102 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14103 counts the games, notes how each one terminated, etc.
14105 It would be nice to remove this kludge and instead gather all
14106 the information while building the game list. (And to keep it
14107 in the game list nodes instead of having a bunch of fixed-size
14108 parallel arrays.) Note this will require getting each game's
14109 termination from the PGN tags, as the game list builder does
14110 not process the game moves. --mann
14112 cmailMsgLoaded = TRUE;
14113 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14115 /* Load first game in the file or popup game menu */
14116 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14118 #endif /* !WIN32 */
14126 char string[MSG_SIZ];
14128 if ( cmailMailedMove
14129 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14130 return TRUE; /* Allow free viewing */
14133 /* Unregister move to ensure that we don't leave RegisterMove */
14134 /* with the move registered when the conditions for registering no */
14136 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14137 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14138 nCmailMovesRegistered --;
14140 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14142 free(cmailCommentList[lastLoadGameNumber - 1]);
14143 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14147 if (cmailOldMove == -1) {
14148 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14152 if (currentMove > cmailOldMove + 1) {
14153 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14157 if (currentMove < cmailOldMove) {
14158 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14162 if (forwardMostMove > currentMove) {
14163 /* Silently truncate extra moves */
14167 if ( (currentMove == cmailOldMove + 1)
14168 || ( (currentMove == cmailOldMove)
14169 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14170 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14171 if (gameInfo.result != GameUnfinished) {
14172 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14175 if (commentList[currentMove] != NULL) {
14176 cmailCommentList[lastLoadGameNumber - 1]
14177 = StrSave(commentList[currentMove]);
14179 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14181 if (appData.debugMode)
14182 fprintf(debugFP, "Saving %s for game %d\n",
14183 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14185 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14187 f = fopen(string, "w");
14188 if (appData.oldSaveStyle) {
14189 SaveGameOldStyle(f); /* also closes the file */
14191 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14192 f = fopen(string, "w");
14193 SavePosition(f, 0, NULL); /* also closes the file */
14195 fprintf(f, "{--------------\n");
14196 PrintPosition(f, currentMove);
14197 fprintf(f, "--------------}\n\n");
14199 SaveGame(f, 0, NULL); /* also closes the file*/
14202 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14203 nCmailMovesRegistered ++;
14204 } else if (nCmailGames == 1) {
14205 DisplayError(_("You have not made a move yet"), 0);
14216 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14217 FILE *commandOutput;
14218 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14219 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14225 if (! cmailMsgLoaded) {
14226 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14230 if (nCmailGames == nCmailResults) {
14231 DisplayError(_("No unfinished games"), 0);
14235 #if CMAIL_PROHIBIT_REMAIL
14236 if (cmailMailedMove) {
14237 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);
14238 DisplayError(msg, 0);
14243 if (! (cmailMailedMove || RegisterMove())) return;
14245 if ( cmailMailedMove
14246 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14247 snprintf(string, MSG_SIZ, partCommandString,
14248 appData.debugMode ? " -v" : "", appData.cmailGameName);
14249 commandOutput = popen(string, "r");
14251 if (commandOutput == NULL) {
14252 DisplayError(_("Failed to invoke cmail"), 0);
14254 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14255 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14257 if (nBuffers > 1) {
14258 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14259 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14260 nBytes = MSG_SIZ - 1;
14262 (void) memcpy(msg, buffer, nBytes);
14264 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14266 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14267 cmailMailedMove = TRUE; /* Prevent >1 moves */
14270 for (i = 0; i < nCmailGames; i ++) {
14271 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14276 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14278 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14280 appData.cmailGameName,
14282 LoadGameFromFile(buffer, 1, buffer, FALSE);
14283 cmailMsgLoaded = FALSE;
14287 DisplayInformation(msg);
14288 pclose(commandOutput);
14291 if ((*cmailMsg) != '\0') {
14292 DisplayInformation(cmailMsg);
14297 #endif /* !WIN32 */
14306 int prependComma = 0;
14308 char string[MSG_SIZ]; /* Space for game-list */
14311 if (!cmailMsgLoaded) return "";
14313 if (cmailMailedMove) {
14314 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14316 /* Create a list of games left */
14317 snprintf(string, MSG_SIZ, "[");
14318 for (i = 0; i < nCmailGames; i ++) {
14319 if (! ( cmailMoveRegistered[i]
14320 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14321 if (prependComma) {
14322 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14324 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14328 strcat(string, number);
14331 strcat(string, "]");
14333 if (nCmailMovesRegistered + nCmailResults == 0) {
14334 switch (nCmailGames) {
14336 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14340 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14344 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14349 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14351 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14356 if (nCmailResults == nCmailGames) {
14357 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14359 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14364 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14376 if (gameMode == Training)
14377 SetTrainingModeOff();
14380 cmailMsgLoaded = FALSE;
14381 if (appData.icsActive) {
14382 SendToICS(ics_prefix);
14383 SendToICS("refresh\n");
14388 ExitEvent (int status)
14392 /* Give up on clean exit */
14396 /* Keep trying for clean exit */
14400 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14401 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14403 if (telnetISR != NULL) {
14404 RemoveInputSource(telnetISR);
14406 if (icsPR != NoProc) {
14407 DestroyChildProcess(icsPR, TRUE);
14410 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14411 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14413 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14414 /* make sure this other one finishes before killing it! */
14415 if(endingGame) { int count = 0;
14416 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14417 while(endingGame && count++ < 10) DoSleep(1);
14418 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14421 /* Kill off chess programs */
14422 if (first.pr != NoProc) {
14425 DoSleep( appData.delayBeforeQuit );
14426 SendToProgram("quit\n", &first);
14427 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14429 if (second.pr != NoProc) {
14430 DoSleep( appData.delayBeforeQuit );
14431 SendToProgram("quit\n", &second);
14432 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14434 if (first.isr != NULL) {
14435 RemoveInputSource(first.isr);
14437 if (second.isr != NULL) {
14438 RemoveInputSource(second.isr);
14441 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14442 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14444 ShutDownFrontEnd();
14449 PauseEngine (ChessProgramState *cps)
14451 SendToProgram("pause\n", cps);
14456 UnPauseEngine (ChessProgramState *cps)
14458 SendToProgram("resume\n", cps);
14465 if (appData.debugMode)
14466 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14470 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14472 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14473 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14474 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14476 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14477 HandleMachineMove(stashedInputMove, stalledEngine);
14478 stalledEngine = NULL;
14481 if (gameMode == MachinePlaysWhite ||
14482 gameMode == TwoMachinesPlay ||
14483 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14484 if(first.pause) UnPauseEngine(&first);
14485 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14486 if(second.pause) UnPauseEngine(&second);
14487 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14490 DisplayBothClocks();
14492 if (gameMode == PlayFromGameFile) {
14493 if (appData.timeDelay >= 0)
14494 AutoPlayGameLoop();
14495 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14496 Reset(FALSE, TRUE);
14497 SendToICS(ics_prefix);
14498 SendToICS("refresh\n");
14499 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14500 ForwardInner(forwardMostMove);
14502 pauseExamInvalid = FALSE;
14504 switch (gameMode) {
14508 pauseExamForwardMostMove = forwardMostMove;
14509 pauseExamInvalid = FALSE;
14512 case IcsPlayingWhite:
14513 case IcsPlayingBlack:
14517 case PlayFromGameFile:
14518 (void) StopLoadGameTimer();
14522 case BeginningOfGame:
14523 if (appData.icsActive) return;
14524 /* else fall through */
14525 case MachinePlaysWhite:
14526 case MachinePlaysBlack:
14527 case TwoMachinesPlay:
14528 if (forwardMostMove == 0)
14529 return; /* don't pause if no one has moved */
14530 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14531 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14532 if(onMove->pause) { // thinking engine can be paused
14533 PauseEngine(onMove); // do it
14534 if(onMove->other->pause) // pondering opponent can always be paused immediately
14535 PauseEngine(onMove->other);
14537 SendToProgram("easy\n", onMove->other);
14539 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14540 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14542 PauseEngine(&first);
14544 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14545 } else { // human on move, pause pondering by either method
14547 PauseEngine(&first);
14548 else if(appData.ponderNextMove)
14549 SendToProgram("easy\n", &first);
14552 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14562 EditCommentEvent ()
14564 char title[MSG_SIZ];
14566 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14567 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14569 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14570 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14571 parseList[currentMove - 1]);
14574 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14581 char *tags = PGNTags(&gameInfo);
14583 EditTagsPopUp(tags, NULL);
14590 if(second.analyzing) {
14591 SendToProgram("exit\n", &second);
14592 second.analyzing = FALSE;
14594 if (second.pr == NoProc) StartChessProgram(&second);
14595 InitChessProgram(&second, FALSE);
14596 FeedMovesToProgram(&second, currentMove);
14598 SendToProgram("analyze\n", &second);
14599 second.analyzing = TRUE;
14603 /* Toggle ShowThinking */
14605 ToggleShowThinking()
14607 appData.showThinking = !appData.showThinking;
14608 ShowThinkingEvent();
14612 AnalyzeModeEvent ()
14616 if (!first.analysisSupport) {
14617 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14618 DisplayError(buf, 0);
14621 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14622 if (appData.icsActive) {
14623 if (gameMode != IcsObserving) {
14624 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14625 DisplayError(buf, 0);
14627 if (appData.icsEngineAnalyze) {
14628 if (appData.debugMode)
14629 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14635 /* if enable, user wants to disable icsEngineAnalyze */
14636 if (appData.icsEngineAnalyze) {
14641 appData.icsEngineAnalyze = TRUE;
14642 if (appData.debugMode)
14643 fprintf(debugFP, "ICS engine analyze starting... \n");
14646 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14647 if (appData.noChessProgram || gameMode == AnalyzeMode)
14650 if (gameMode != AnalyzeFile) {
14651 if (!appData.icsEngineAnalyze) {
14653 if (gameMode != EditGame) return 0;
14655 if (!appData.showThinking) ToggleShowThinking();
14656 ResurrectChessProgram();
14657 SendToProgram("analyze\n", &first);
14658 first.analyzing = TRUE;
14659 /*first.maybeThinking = TRUE;*/
14660 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14661 EngineOutputPopUp();
14663 if (!appData.icsEngineAnalyze) {
14664 gameMode = AnalyzeMode;
14665 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14671 StartAnalysisClock();
14672 GetTimeMark(&lastNodeCountTime);
14678 AnalyzeFileEvent ()
14680 if (appData.noChessProgram || gameMode == AnalyzeFile)
14683 if (!first.analysisSupport) {
14685 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14686 DisplayError(buf, 0);
14690 if (gameMode != AnalyzeMode) {
14691 keepInfo = 1; // mere annotating should not alter PGN tags
14694 if (gameMode != EditGame) return;
14695 if (!appData.showThinking) ToggleShowThinking();
14696 ResurrectChessProgram();
14697 SendToProgram("analyze\n", &first);
14698 first.analyzing = TRUE;
14699 /*first.maybeThinking = TRUE;*/
14700 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14701 EngineOutputPopUp();
14703 gameMode = AnalyzeFile;
14707 StartAnalysisClock();
14708 GetTimeMark(&lastNodeCountTime);
14710 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14711 AnalysisPeriodicEvent(1);
14715 MachineWhiteEvent ()
14718 char *bookHit = NULL;
14720 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14724 if (gameMode == PlayFromGameFile ||
14725 gameMode == TwoMachinesPlay ||
14726 gameMode == Training ||
14727 gameMode == AnalyzeMode ||
14728 gameMode == EndOfGame)
14731 if (gameMode == EditPosition)
14732 EditPositionDone(TRUE);
14734 if (!WhiteOnMove(currentMove)) {
14735 DisplayError(_("It is not White's turn"), 0);
14739 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14742 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14743 gameMode == AnalyzeFile)
14746 ResurrectChessProgram(); /* in case it isn't running */
14747 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14748 gameMode = MachinePlaysWhite;
14751 gameMode = MachinePlaysWhite;
14755 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14757 if (first.sendName) {
14758 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14759 SendToProgram(buf, &first);
14761 if (first.sendTime) {
14762 if (first.useColors) {
14763 SendToProgram("black\n", &first); /*gnu kludge*/
14765 SendTimeRemaining(&first, TRUE);
14767 if (first.useColors) {
14768 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14770 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14771 SetMachineThinkingEnables();
14772 first.maybeThinking = TRUE;
14776 if (appData.autoFlipView && !flipView) {
14777 flipView = !flipView;
14778 DrawPosition(FALSE, NULL);
14779 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14782 if(bookHit) { // [HGM] book: simulate book reply
14783 static char bookMove[MSG_SIZ]; // a bit generous?
14785 programStats.nodes = programStats.depth = programStats.time =
14786 programStats.score = programStats.got_only_move = 0;
14787 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14789 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14790 strcat(bookMove, bookHit);
14791 HandleMachineMove(bookMove, &first);
14796 MachineBlackEvent ()
14799 char *bookHit = NULL;
14801 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14805 if (gameMode == PlayFromGameFile ||
14806 gameMode == TwoMachinesPlay ||
14807 gameMode == Training ||
14808 gameMode == AnalyzeMode ||
14809 gameMode == EndOfGame)
14812 if (gameMode == EditPosition)
14813 EditPositionDone(TRUE);
14815 if (WhiteOnMove(currentMove)) {
14816 DisplayError(_("It is not Black's turn"), 0);
14820 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14823 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14824 gameMode == AnalyzeFile)
14827 ResurrectChessProgram(); /* in case it isn't running */
14828 gameMode = MachinePlaysBlack;
14832 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14834 if (first.sendName) {
14835 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14836 SendToProgram(buf, &first);
14838 if (first.sendTime) {
14839 if (first.useColors) {
14840 SendToProgram("white\n", &first); /*gnu kludge*/
14842 SendTimeRemaining(&first, FALSE);
14844 if (first.useColors) {
14845 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14847 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14848 SetMachineThinkingEnables();
14849 first.maybeThinking = TRUE;
14852 if (appData.autoFlipView && flipView) {
14853 flipView = !flipView;
14854 DrawPosition(FALSE, NULL);
14855 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14857 if(bookHit) { // [HGM] book: simulate book reply
14858 static char bookMove[MSG_SIZ]; // a bit generous?
14860 programStats.nodes = programStats.depth = programStats.time =
14861 programStats.score = programStats.got_only_move = 0;
14862 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14864 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14865 strcat(bookMove, bookHit);
14866 HandleMachineMove(bookMove, &first);
14872 DisplayTwoMachinesTitle ()
14875 if (appData.matchGames > 0) {
14876 if(appData.tourneyFile[0]) {
14877 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14878 gameInfo.white, _("vs."), gameInfo.black,
14879 nextGame+1, appData.matchGames+1,
14880 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14882 if (first.twoMachinesColor[0] == 'w') {
14883 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14884 gameInfo.white, _("vs."), gameInfo.black,
14885 first.matchWins, second.matchWins,
14886 matchGame - 1 - (first.matchWins + second.matchWins));
14888 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14889 gameInfo.white, _("vs."), gameInfo.black,
14890 second.matchWins, first.matchWins,
14891 matchGame - 1 - (first.matchWins + second.matchWins));
14894 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14900 SettingsMenuIfReady ()
14902 if (second.lastPing != second.lastPong) {
14903 DisplayMessage("", _("Waiting for second chess program"));
14904 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14908 DisplayMessage("", "");
14909 SettingsPopUp(&second);
14913 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14916 if (cps->pr == NoProc) {
14917 StartChessProgram(cps);
14918 if (cps->protocolVersion == 1) {
14920 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14922 /* kludge: allow timeout for initial "feature" command */
14923 if(retry != TwoMachinesEventIfReady) FreezeUI();
14924 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14925 DisplayMessage("", buf);
14926 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14934 TwoMachinesEvent P((void))
14938 ChessProgramState *onmove;
14939 char *bookHit = NULL;
14940 static int stalling = 0;
14944 if (appData.noChessProgram) return;
14946 switch (gameMode) {
14947 case TwoMachinesPlay:
14949 case MachinePlaysWhite:
14950 case MachinePlaysBlack:
14951 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14952 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14956 case BeginningOfGame:
14957 case PlayFromGameFile:
14960 if (gameMode != EditGame) return;
14963 EditPositionDone(TRUE);
14974 // forwardMostMove = currentMove;
14975 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14976 startingEngine = TRUE;
14978 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14980 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14981 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14982 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14985 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14987 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14988 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14989 startingEngine = matchMode = FALSE;
14990 DisplayError("second engine does not play this", 0);
14991 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14992 EditGameEvent(); // switch back to EditGame mode
14997 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14998 SendToProgram("force\n", &second);
15000 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15003 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15004 if(appData.matchPause>10000 || appData.matchPause<10)
15005 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15006 wait = SubtractTimeMarks(&now, &pauseStart);
15007 if(wait < appData.matchPause) {
15008 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15011 // we are now committed to starting the game
15013 DisplayMessage("", "");
15014 if (startedFromSetupPosition) {
15015 SendBoard(&second, backwardMostMove);
15016 if (appData.debugMode) {
15017 fprintf(debugFP, "Two Machines\n");
15020 for (i = backwardMostMove; i < forwardMostMove; i++) {
15021 SendMoveToProgram(i, &second);
15024 gameMode = TwoMachinesPlay;
15025 pausing = startingEngine = FALSE;
15026 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15028 DisplayTwoMachinesTitle();
15030 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15035 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15036 SendToProgram(first.computerString, &first);
15037 if (first.sendName) {
15038 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15039 SendToProgram(buf, &first);
15041 SendToProgram(second.computerString, &second);
15042 if (second.sendName) {
15043 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15044 SendToProgram(buf, &second);
15048 if (!first.sendTime || !second.sendTime) {
15049 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15050 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15052 if (onmove->sendTime) {
15053 if (onmove->useColors) {
15054 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15056 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15058 if (onmove->useColors) {
15059 SendToProgram(onmove->twoMachinesColor, onmove);
15061 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15062 // SendToProgram("go\n", onmove);
15063 onmove->maybeThinking = TRUE;
15064 SetMachineThinkingEnables();
15068 if(bookHit) { // [HGM] book: simulate book reply
15069 static char bookMove[MSG_SIZ]; // a bit generous?
15071 programStats.nodes = programStats.depth = programStats.time =
15072 programStats.score = programStats.got_only_move = 0;
15073 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15075 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15076 strcat(bookMove, bookHit);
15077 savedMessage = bookMove; // args for deferred call
15078 savedState = onmove;
15079 ScheduleDelayedEvent(DeferredBookMove, 1);
15086 if (gameMode == Training) {
15087 SetTrainingModeOff();
15088 gameMode = PlayFromGameFile;
15089 DisplayMessage("", _("Training mode off"));
15091 gameMode = Training;
15092 animateTraining = appData.animate;
15094 /* make sure we are not already at the end of the game */
15095 if (currentMove < forwardMostMove) {
15096 SetTrainingModeOn();
15097 DisplayMessage("", _("Training mode on"));
15099 gameMode = PlayFromGameFile;
15100 DisplayError(_("Already at end of game"), 0);
15109 if (!appData.icsActive) return;
15110 switch (gameMode) {
15111 case IcsPlayingWhite:
15112 case IcsPlayingBlack:
15115 case BeginningOfGame:
15123 EditPositionDone(TRUE);
15136 gameMode = IcsIdle;
15146 switch (gameMode) {
15148 SetTrainingModeOff();
15150 case MachinePlaysWhite:
15151 case MachinePlaysBlack:
15152 case BeginningOfGame:
15153 SendToProgram("force\n", &first);
15154 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15155 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15157 abortEngineThink = TRUE;
15158 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15159 SendToProgram(buf, &first);
15160 DisplayMessage("Aborting engine think", "");
15164 SetUserThinkingEnables();
15166 case PlayFromGameFile:
15167 (void) StopLoadGameTimer();
15168 if (gameFileFP != NULL) {
15173 EditPositionDone(TRUE);
15178 SendToProgram("force\n", &first);
15180 case TwoMachinesPlay:
15181 GameEnds(EndOfFile, NULL, GE_PLAYER);
15182 ResurrectChessProgram();
15183 SetUserThinkingEnables();
15186 ResurrectChessProgram();
15188 case IcsPlayingBlack:
15189 case IcsPlayingWhite:
15190 DisplayError(_("Warning: You are still playing a game"), 0);
15193 DisplayError(_("Warning: You are still observing a game"), 0);
15196 DisplayError(_("Warning: You are still examining a game"), 0);
15207 first.offeredDraw = second.offeredDraw = 0;
15209 if (gameMode == PlayFromGameFile) {
15210 whiteTimeRemaining = timeRemaining[0][currentMove];
15211 blackTimeRemaining = timeRemaining[1][currentMove];
15215 if (gameMode == MachinePlaysWhite ||
15216 gameMode == MachinePlaysBlack ||
15217 gameMode == TwoMachinesPlay ||
15218 gameMode == EndOfGame) {
15219 i = forwardMostMove;
15220 while (i > currentMove) {
15221 SendToProgram("undo\n", &first);
15224 if(!adjustedClock) {
15225 whiteTimeRemaining = timeRemaining[0][currentMove];
15226 blackTimeRemaining = timeRemaining[1][currentMove];
15227 DisplayBothClocks();
15229 if (whiteFlag || blackFlag) {
15230 whiteFlag = blackFlag = 0;
15235 gameMode = EditGame;
15242 EditPositionEvent ()
15244 if (gameMode == EditPosition) {
15250 if (gameMode != EditGame) return;
15252 gameMode = EditPosition;
15255 if (currentMove > 0)
15256 CopyBoard(boards[0], boards[currentMove]);
15258 blackPlaysFirst = !WhiteOnMove(currentMove);
15260 currentMove = forwardMostMove = backwardMostMove = 0;
15261 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15263 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15269 /* [DM] icsEngineAnalyze - possible call from other functions */
15270 if (appData.icsEngineAnalyze) {
15271 appData.icsEngineAnalyze = FALSE;
15273 DisplayMessage("",_("Close ICS engine analyze..."));
15275 if (first.analysisSupport && first.analyzing) {
15276 SendToBoth("exit\n");
15277 first.analyzing = second.analyzing = FALSE;
15279 thinkOutput[0] = NULLCHAR;
15283 EditPositionDone (Boolean fakeRights)
15285 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15287 startedFromSetupPosition = TRUE;
15288 InitChessProgram(&first, FALSE);
15289 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15290 boards[0][EP_STATUS] = EP_NONE;
15291 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15292 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15293 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15294 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15295 } else boards[0][CASTLING][2] = NoRights;
15296 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15297 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15298 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15299 } else boards[0][CASTLING][5] = NoRights;
15300 if(gameInfo.variant == VariantSChess) {
15302 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15303 boards[0][VIRGIN][i] = 0;
15304 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15305 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15309 SendToProgram("force\n", &first);
15310 if (blackPlaysFirst) {
15311 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15312 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15313 currentMove = forwardMostMove = backwardMostMove = 1;
15314 CopyBoard(boards[1], boards[0]);
15316 currentMove = forwardMostMove = backwardMostMove = 0;
15318 SendBoard(&first, forwardMostMove);
15319 if (appData.debugMode) {
15320 fprintf(debugFP, "EditPosDone\n");
15323 DisplayMessage("", "");
15324 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15325 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15326 gameMode = EditGame;
15328 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15329 ClearHighlights(); /* [AS] */
15332 /* Pause for `ms' milliseconds */
15333 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15335 TimeDelay (long ms)
15342 } while (SubtractTimeMarks(&m2, &m1) < ms);
15345 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15347 SendMultiLineToICS (char *buf)
15349 char temp[MSG_SIZ+1], *p;
15356 strncpy(temp, buf, len);
15361 if (*p == '\n' || *p == '\r')
15366 strcat(temp, "\n");
15368 SendToPlayer(temp, strlen(temp));
15372 SetWhiteToPlayEvent ()
15374 if (gameMode == EditPosition) {
15375 blackPlaysFirst = FALSE;
15376 DisplayBothClocks(); /* works because currentMove is 0 */
15377 } else if (gameMode == IcsExamining) {
15378 SendToICS(ics_prefix);
15379 SendToICS("tomove white\n");
15384 SetBlackToPlayEvent ()
15386 if (gameMode == EditPosition) {
15387 blackPlaysFirst = TRUE;
15388 currentMove = 1; /* kludge */
15389 DisplayBothClocks();
15391 } else if (gameMode == IcsExamining) {
15392 SendToICS(ics_prefix);
15393 SendToICS("tomove black\n");
15398 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15401 ChessSquare piece = boards[0][y][x];
15402 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15403 static int lastVariant;
15405 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15407 switch (selection) {
15409 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15410 MarkTargetSquares(1);
15411 CopyBoard(currentBoard, boards[0]);
15412 CopyBoard(menuBoard, initialPosition);
15413 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15414 SendToICS(ics_prefix);
15415 SendToICS("bsetup clear\n");
15416 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15417 SendToICS(ics_prefix);
15418 SendToICS("clearboard\n");
15421 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15422 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15423 for (y = 0; y < BOARD_HEIGHT; y++) {
15424 if (gameMode == IcsExamining) {
15425 if (boards[currentMove][y][x] != EmptySquare) {
15426 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15430 } else if(boards[0][y][x] != DarkSquare) {
15431 if(boards[0][y][x] != p) nonEmpty++;
15432 boards[0][y][x] = p;
15436 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15438 for(r = 0; r < BOARD_HEIGHT; r++) {
15439 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15440 ChessSquare p = menuBoard[r][x];
15441 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15444 DisplayMessage("Clicking clock again restores position", "");
15445 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15446 if(!nonEmpty) { // asked to clear an empty board
15447 CopyBoard(boards[0], menuBoard);
15449 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15450 CopyBoard(boards[0], initialPosition);
15452 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15453 && !CompareBoards(nullBoard, erasedBoard)) {
15454 CopyBoard(boards[0], erasedBoard);
15456 CopyBoard(erasedBoard, currentBoard);
15460 if (gameMode == EditPosition) {
15461 DrawPosition(FALSE, boards[0]);
15466 SetWhiteToPlayEvent();
15470 SetBlackToPlayEvent();
15474 if (gameMode == IcsExamining) {
15475 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15476 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15479 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15480 if(x == BOARD_LEFT-2) {
15481 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15482 boards[0][y][1] = 0;
15484 if(x == BOARD_RGHT+1) {
15485 if(y >= gameInfo.holdingsSize) break;
15486 boards[0][y][BOARD_WIDTH-2] = 0;
15489 boards[0][y][x] = EmptySquare;
15490 DrawPosition(FALSE, boards[0]);
15495 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15496 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15497 selection = (ChessSquare) (PROMOTED(piece));
15498 } else if(piece == EmptySquare) selection = WhiteSilver;
15499 else selection = (ChessSquare)((int)piece - 1);
15503 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15504 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15505 selection = (ChessSquare) (DEMOTED(piece));
15506 } else if(piece == EmptySquare) selection = BlackSilver;
15507 else selection = (ChessSquare)((int)piece + 1);
15512 if(gameInfo.variant == VariantShatranj ||
15513 gameInfo.variant == VariantXiangqi ||
15514 gameInfo.variant == VariantCourier ||
15515 gameInfo.variant == VariantASEAN ||
15516 gameInfo.variant == VariantMakruk )
15517 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15522 if(gameInfo.variant == VariantXiangqi)
15523 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15524 if(gameInfo.variant == VariantKnightmate)
15525 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15528 if (gameMode == IcsExamining) {
15529 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15530 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15531 PieceToChar(selection), AAA + x, ONE + y);
15534 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15536 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15537 n = PieceToNumber(selection - BlackPawn);
15538 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15539 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15540 boards[0][BOARD_HEIGHT-1-n][1]++;
15542 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15543 n = PieceToNumber(selection);
15544 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15545 boards[0][n][BOARD_WIDTH-1] = selection;
15546 boards[0][n][BOARD_WIDTH-2]++;
15549 boards[0][y][x] = selection;
15550 DrawPosition(TRUE, boards[0]);
15552 fromX = fromY = -1;
15560 DropMenuEvent (ChessSquare selection, int x, int y)
15562 ChessMove moveType;
15564 switch (gameMode) {
15565 case IcsPlayingWhite:
15566 case MachinePlaysBlack:
15567 if (!WhiteOnMove(currentMove)) {
15568 DisplayMoveError(_("It is Black's turn"));
15571 moveType = WhiteDrop;
15573 case IcsPlayingBlack:
15574 case MachinePlaysWhite:
15575 if (WhiteOnMove(currentMove)) {
15576 DisplayMoveError(_("It is White's turn"));
15579 moveType = BlackDrop;
15582 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15588 if (moveType == BlackDrop && selection < BlackPawn) {
15589 selection = (ChessSquare) ((int) selection
15590 + (int) BlackPawn - (int) WhitePawn);
15592 if (boards[currentMove][y][x] != EmptySquare) {
15593 DisplayMoveError(_("That square is occupied"));
15597 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15603 /* Accept a pending offer of any kind from opponent */
15605 if (appData.icsActive) {
15606 SendToICS(ics_prefix);
15607 SendToICS("accept\n");
15608 } else if (cmailMsgLoaded) {
15609 if (currentMove == cmailOldMove &&
15610 commentList[cmailOldMove] != NULL &&
15611 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15612 "Black offers a draw" : "White offers a draw")) {
15614 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15615 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15617 DisplayError(_("There is no pending offer on this move"), 0);
15618 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15621 /* Not used for offers from chess program */
15628 /* Decline a pending offer of any kind from opponent */
15630 if (appData.icsActive) {
15631 SendToICS(ics_prefix);
15632 SendToICS("decline\n");
15633 } else if (cmailMsgLoaded) {
15634 if (currentMove == cmailOldMove &&
15635 commentList[cmailOldMove] != NULL &&
15636 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15637 "Black offers a draw" : "White offers a draw")) {
15639 AppendComment(cmailOldMove, "Draw declined", TRUE);
15640 DisplayComment(cmailOldMove - 1, "Draw declined");
15643 DisplayError(_("There is no pending offer on this move"), 0);
15646 /* Not used for offers from chess program */
15653 /* Issue ICS rematch command */
15654 if (appData.icsActive) {
15655 SendToICS(ics_prefix);
15656 SendToICS("rematch\n");
15663 /* Call your opponent's flag (claim a win on time) */
15664 if (appData.icsActive) {
15665 SendToICS(ics_prefix);
15666 SendToICS("flag\n");
15668 switch (gameMode) {
15671 case MachinePlaysWhite:
15674 GameEnds(GameIsDrawn, "Both players ran out of time",
15677 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15679 DisplayError(_("Your opponent is not out of time"), 0);
15682 case MachinePlaysBlack:
15685 GameEnds(GameIsDrawn, "Both players ran out of time",
15688 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15690 DisplayError(_("Your opponent is not out of time"), 0);
15698 ClockClick (int which)
15699 { // [HGM] code moved to back-end from winboard.c
15700 if(which) { // black clock
15701 if (gameMode == EditPosition || gameMode == IcsExamining) {
15702 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15703 SetBlackToPlayEvent();
15704 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15705 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15706 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15707 } else if (shiftKey) {
15708 AdjustClock(which, -1);
15709 } else if (gameMode == IcsPlayingWhite ||
15710 gameMode == MachinePlaysBlack) {
15713 } else { // white clock
15714 if (gameMode == EditPosition || gameMode == IcsExamining) {
15715 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15716 SetWhiteToPlayEvent();
15717 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15718 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15719 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15720 } else if (shiftKey) {
15721 AdjustClock(which, -1);
15722 } else if (gameMode == IcsPlayingBlack ||
15723 gameMode == MachinePlaysWhite) {
15732 /* Offer draw or accept pending draw offer from opponent */
15734 if (appData.icsActive) {
15735 /* Note: tournament rules require draw offers to be
15736 made after you make your move but before you punch
15737 your clock. Currently ICS doesn't let you do that;
15738 instead, you immediately punch your clock after making
15739 a move, but you can offer a draw at any time. */
15741 SendToICS(ics_prefix);
15742 SendToICS("draw\n");
15743 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15744 } else if (cmailMsgLoaded) {
15745 if (currentMove == cmailOldMove &&
15746 commentList[cmailOldMove] != NULL &&
15747 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15748 "Black offers a draw" : "White offers a draw")) {
15749 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15750 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15751 } else if (currentMove == cmailOldMove + 1) {
15752 char *offer = WhiteOnMove(cmailOldMove) ?
15753 "White offers a draw" : "Black offers a draw";
15754 AppendComment(currentMove, offer, TRUE);
15755 DisplayComment(currentMove - 1, offer);
15756 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15758 DisplayError(_("You must make your move before offering a draw"), 0);
15759 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15761 } else if (first.offeredDraw) {
15762 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15764 if (first.sendDrawOffers) {
15765 SendToProgram("draw\n", &first);
15766 userOfferedDraw = TRUE;
15774 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15776 if (appData.icsActive) {
15777 SendToICS(ics_prefix);
15778 SendToICS("adjourn\n");
15780 /* Currently GNU Chess doesn't offer or accept Adjourns */
15788 /* Offer Abort or accept pending Abort offer from opponent */
15790 if (appData.icsActive) {
15791 SendToICS(ics_prefix);
15792 SendToICS("abort\n");
15794 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15801 /* Resign. You can do this even if it's not your turn. */
15803 if (appData.icsActive) {
15804 SendToICS(ics_prefix);
15805 SendToICS("resign\n");
15807 switch (gameMode) {
15808 case MachinePlaysWhite:
15809 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15811 case MachinePlaysBlack:
15812 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15815 if (cmailMsgLoaded) {
15817 if (WhiteOnMove(cmailOldMove)) {
15818 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15820 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15822 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15833 StopObservingEvent ()
15835 /* Stop observing current games */
15836 SendToICS(ics_prefix);
15837 SendToICS("unobserve\n");
15841 StopExaminingEvent ()
15843 /* Stop observing current game */
15844 SendToICS(ics_prefix);
15845 SendToICS("unexamine\n");
15849 ForwardInner (int target)
15851 int limit; int oldSeekGraphUp = seekGraphUp;
15853 if (appData.debugMode)
15854 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15855 target, currentMove, forwardMostMove);
15857 if (gameMode == EditPosition)
15860 seekGraphUp = FALSE;
15861 MarkTargetSquares(1);
15862 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15864 if (gameMode == PlayFromGameFile && !pausing)
15867 if (gameMode == IcsExamining && pausing)
15868 limit = pauseExamForwardMostMove;
15870 limit = forwardMostMove;
15872 if (target > limit) target = limit;
15874 if (target > 0 && moveList[target - 1][0]) {
15875 int fromX, fromY, toX, toY;
15876 toX = moveList[target - 1][2] - AAA;
15877 toY = moveList[target - 1][3] - ONE;
15878 if (moveList[target - 1][1] == '@') {
15879 if (appData.highlightLastMove) {
15880 SetHighlights(-1, -1, toX, toY);
15883 fromX = moveList[target - 1][0] - AAA;
15884 fromY = moveList[target - 1][1] - ONE;
15885 if (target == currentMove + 1) {
15886 if(moveList[target - 1][4] == ';') { // multi-leg
15887 killX = moveList[target - 1][5] - AAA;
15888 killY = moveList[target - 1][6] - ONE;
15890 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15891 killX = killY = -1;
15893 if (appData.highlightLastMove) {
15894 SetHighlights(fromX, fromY, toX, toY);
15898 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15899 gameMode == Training || gameMode == PlayFromGameFile ||
15900 gameMode == AnalyzeFile) {
15901 while (currentMove < target) {
15902 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15903 SendMoveToProgram(currentMove++, &first);
15906 currentMove = target;
15909 if (gameMode == EditGame || gameMode == EndOfGame) {
15910 whiteTimeRemaining = timeRemaining[0][currentMove];
15911 blackTimeRemaining = timeRemaining[1][currentMove];
15913 DisplayBothClocks();
15914 DisplayMove(currentMove - 1);
15915 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15916 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15917 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15918 DisplayComment(currentMove - 1, commentList[currentMove]);
15920 ClearMap(); // [HGM] exclude: invalidate map
15927 if (gameMode == IcsExamining && !pausing) {
15928 SendToICS(ics_prefix);
15929 SendToICS("forward\n");
15931 ForwardInner(currentMove + 1);
15938 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15939 /* to optimze, we temporarily turn off analysis mode while we feed
15940 * the remaining moves to the engine. Otherwise we get analysis output
15943 if (first.analysisSupport) {
15944 SendToProgram("exit\nforce\n", &first);
15945 first.analyzing = FALSE;
15949 if (gameMode == IcsExamining && !pausing) {
15950 SendToICS(ics_prefix);
15951 SendToICS("forward 999999\n");
15953 ForwardInner(forwardMostMove);
15956 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15957 /* we have fed all the moves, so reactivate analysis mode */
15958 SendToProgram("analyze\n", &first);
15959 first.analyzing = TRUE;
15960 /*first.maybeThinking = TRUE;*/
15961 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15966 BackwardInner (int target)
15968 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15970 if (appData.debugMode)
15971 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15972 target, currentMove, forwardMostMove);
15974 if (gameMode == EditPosition) return;
15975 seekGraphUp = FALSE;
15976 MarkTargetSquares(1);
15977 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15978 if (currentMove <= backwardMostMove) {
15980 DrawPosition(full_redraw, boards[currentMove]);
15983 if (gameMode == PlayFromGameFile && !pausing)
15986 if (moveList[target][0]) {
15987 int fromX, fromY, toX, toY;
15988 toX = moveList[target][2] - AAA;
15989 toY = moveList[target][3] - ONE;
15990 if (moveList[target][1] == '@') {
15991 if (appData.highlightLastMove) {
15992 SetHighlights(-1, -1, toX, toY);
15995 fromX = moveList[target][0] - AAA;
15996 fromY = moveList[target][1] - ONE;
15997 if (target == currentMove - 1) {
15998 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16000 if (appData.highlightLastMove) {
16001 SetHighlights(fromX, fromY, toX, toY);
16005 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16006 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16007 while (currentMove > target) {
16008 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16009 // null move cannot be undone. Reload program with move history before it.
16011 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16012 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16014 SendBoard(&first, i);
16015 if(second.analyzing) SendBoard(&second, i);
16016 for(currentMove=i; currentMove<target; currentMove++) {
16017 SendMoveToProgram(currentMove, &first);
16018 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16022 SendToBoth("undo\n");
16026 currentMove = target;
16029 if (gameMode == EditGame || gameMode == EndOfGame) {
16030 whiteTimeRemaining = timeRemaining[0][currentMove];
16031 blackTimeRemaining = timeRemaining[1][currentMove];
16033 DisplayBothClocks();
16034 DisplayMove(currentMove - 1);
16035 DrawPosition(full_redraw, boards[currentMove]);
16036 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16037 // [HGM] PV info: routine tests if comment empty
16038 DisplayComment(currentMove - 1, commentList[currentMove]);
16039 ClearMap(); // [HGM] exclude: invalidate map
16045 if (gameMode == IcsExamining && !pausing) {
16046 SendToICS(ics_prefix);
16047 SendToICS("backward\n");
16049 BackwardInner(currentMove - 1);
16056 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16057 /* to optimize, we temporarily turn off analysis mode while we undo
16058 * all the moves. Otherwise we get analysis output after each undo.
16060 if (first.analysisSupport) {
16061 SendToProgram("exit\nforce\n", &first);
16062 first.analyzing = FALSE;
16066 if (gameMode == IcsExamining && !pausing) {
16067 SendToICS(ics_prefix);
16068 SendToICS("backward 999999\n");
16070 BackwardInner(backwardMostMove);
16073 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16074 /* we have fed all the moves, so reactivate analysis mode */
16075 SendToProgram("analyze\n", &first);
16076 first.analyzing = TRUE;
16077 /*first.maybeThinking = TRUE;*/
16078 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16085 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16086 if (to >= forwardMostMove) to = forwardMostMove;
16087 if (to <= backwardMostMove) to = backwardMostMove;
16088 if (to < currentMove) {
16096 RevertEvent (Boolean annotate)
16098 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16101 if (gameMode != IcsExamining) {
16102 DisplayError(_("You are not examining a game"), 0);
16106 DisplayError(_("You can't revert while pausing"), 0);
16109 SendToICS(ics_prefix);
16110 SendToICS("revert\n");
16114 RetractMoveEvent ()
16116 switch (gameMode) {
16117 case MachinePlaysWhite:
16118 case MachinePlaysBlack:
16119 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16120 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16123 if (forwardMostMove < 2) return;
16124 currentMove = forwardMostMove = forwardMostMove - 2;
16125 whiteTimeRemaining = timeRemaining[0][currentMove];
16126 blackTimeRemaining = timeRemaining[1][currentMove];
16127 DisplayBothClocks();
16128 DisplayMove(currentMove - 1);
16129 ClearHighlights();/*!! could figure this out*/
16130 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16131 SendToProgram("remove\n", &first);
16132 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16135 case BeginningOfGame:
16139 case IcsPlayingWhite:
16140 case IcsPlayingBlack:
16141 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16142 SendToICS(ics_prefix);
16143 SendToICS("takeback 2\n");
16145 SendToICS(ics_prefix);
16146 SendToICS("takeback 1\n");
16155 ChessProgramState *cps;
16157 switch (gameMode) {
16158 case MachinePlaysWhite:
16159 if (!WhiteOnMove(forwardMostMove)) {
16160 DisplayError(_("It is your turn"), 0);
16165 case MachinePlaysBlack:
16166 if (WhiteOnMove(forwardMostMove)) {
16167 DisplayError(_("It is your turn"), 0);
16172 case TwoMachinesPlay:
16173 if (WhiteOnMove(forwardMostMove) ==
16174 (first.twoMachinesColor[0] == 'w')) {
16180 case BeginningOfGame:
16184 SendToProgram("?\n", cps);
16188 TruncateGameEvent ()
16191 if (gameMode != EditGame) return;
16198 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16199 if (forwardMostMove > currentMove) {
16200 if (gameInfo.resultDetails != NULL) {
16201 free(gameInfo.resultDetails);
16202 gameInfo.resultDetails = NULL;
16203 gameInfo.result = GameUnfinished;
16205 forwardMostMove = currentMove;
16206 HistorySet(parseList, backwardMostMove, forwardMostMove,
16214 if (appData.noChessProgram) return;
16215 switch (gameMode) {
16216 case MachinePlaysWhite:
16217 if (WhiteOnMove(forwardMostMove)) {
16218 DisplayError(_("Wait until your turn."), 0);
16222 case BeginningOfGame:
16223 case MachinePlaysBlack:
16224 if (!WhiteOnMove(forwardMostMove)) {
16225 DisplayError(_("Wait until your turn."), 0);
16230 DisplayError(_("No hint available"), 0);
16233 SendToProgram("hint\n", &first);
16234 hintRequested = TRUE;
16238 SaveSelected (FILE *g, int dummy, char *dummy2)
16240 ListGame * lg = (ListGame *) gameList.head;
16244 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16245 DisplayError(_("Game list not loaded or empty"), 0);
16249 creatingBook = TRUE; // suppresses stuff during load game
16251 /* Get list size */
16252 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16253 if(lg->position >= 0) { // selected?
16254 LoadGame(f, nItem, "", TRUE);
16255 SaveGamePGN2(g); // leaves g open
16258 lg = (ListGame *) lg->node.succ;
16262 creatingBook = FALSE;
16270 ListGame * lg = (ListGame *) gameList.head;
16273 static int secondTime = FALSE;
16275 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16276 DisplayError(_("Game list not loaded or empty"), 0);
16280 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16283 DisplayNote(_("Book file exists! Try again for overwrite."));
16287 creatingBook = TRUE;
16288 secondTime = FALSE;
16290 /* Get list size */
16291 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16292 if(lg->position >= 0) {
16293 LoadGame(f, nItem, "", TRUE);
16294 AddGameToBook(TRUE);
16297 lg = (ListGame *) lg->node.succ;
16300 creatingBook = FALSE;
16307 if (appData.noChessProgram) return;
16308 switch (gameMode) {
16309 case MachinePlaysWhite:
16310 if (WhiteOnMove(forwardMostMove)) {
16311 DisplayError(_("Wait until your turn."), 0);
16315 case BeginningOfGame:
16316 case MachinePlaysBlack:
16317 if (!WhiteOnMove(forwardMostMove)) {
16318 DisplayError(_("Wait until your turn."), 0);
16323 EditPositionDone(TRUE);
16325 case TwoMachinesPlay:
16330 SendToProgram("bk\n", &first);
16331 bookOutput[0] = NULLCHAR;
16332 bookRequested = TRUE;
16338 char *tags = PGNTags(&gameInfo);
16339 TagsPopUp(tags, CmailMsg());
16343 /* end button procedures */
16346 PrintPosition (FILE *fp, int move)
16350 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16351 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16352 char c = PieceToChar(boards[move][i][j]);
16353 fputc(c == '?' ? '.' : c, fp);
16354 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16357 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16358 fprintf(fp, "white to play\n");
16360 fprintf(fp, "black to play\n");
16364 PrintOpponents (FILE *fp)
16366 if (gameInfo.white != NULL) {
16367 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16373 /* Find last component of program's own name, using some heuristics */
16375 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16378 int local = (strcmp(host, "localhost") == 0);
16379 while (!local && (p = strchr(prog, ';')) != NULL) {
16381 while (*p == ' ') p++;
16384 if (*prog == '"' || *prog == '\'') {
16385 q = strchr(prog + 1, *prog);
16387 q = strchr(prog, ' ');
16389 if (q == NULL) q = prog + strlen(prog);
16391 while (p >= prog && *p != '/' && *p != '\\') p--;
16393 if(p == prog && *p == '"') p++;
16395 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16396 memcpy(buf, p, q - p);
16397 buf[q - p] = NULLCHAR;
16405 TimeControlTagValue ()
16408 if (!appData.clockMode) {
16409 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16410 } else if (movesPerSession > 0) {
16411 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16412 } else if (timeIncrement == 0) {
16413 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16415 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16417 return StrSave(buf);
16423 /* This routine is used only for certain modes */
16424 VariantClass v = gameInfo.variant;
16425 ChessMove r = GameUnfinished;
16428 if(keepInfo) return;
16430 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16431 r = gameInfo.result;
16432 p = gameInfo.resultDetails;
16433 gameInfo.resultDetails = NULL;
16435 ClearGameInfo(&gameInfo);
16436 gameInfo.variant = v;
16438 switch (gameMode) {
16439 case MachinePlaysWhite:
16440 gameInfo.event = StrSave( appData.pgnEventHeader );
16441 gameInfo.site = StrSave(HostName());
16442 gameInfo.date = PGNDate();
16443 gameInfo.round = StrSave("-");
16444 gameInfo.white = StrSave(first.tidy);
16445 gameInfo.black = StrSave(UserName());
16446 gameInfo.timeControl = TimeControlTagValue();
16449 case MachinePlaysBlack:
16450 gameInfo.event = StrSave( appData.pgnEventHeader );
16451 gameInfo.site = StrSave(HostName());
16452 gameInfo.date = PGNDate();
16453 gameInfo.round = StrSave("-");
16454 gameInfo.white = StrSave(UserName());
16455 gameInfo.black = StrSave(first.tidy);
16456 gameInfo.timeControl = TimeControlTagValue();
16459 case TwoMachinesPlay:
16460 gameInfo.event = StrSave( appData.pgnEventHeader );
16461 gameInfo.site = StrSave(HostName());
16462 gameInfo.date = PGNDate();
16465 snprintf(buf, MSG_SIZ, "%d", roundNr);
16466 gameInfo.round = StrSave(buf);
16468 gameInfo.round = StrSave("-");
16470 if (first.twoMachinesColor[0] == 'w') {
16471 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16472 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16474 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16475 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16477 gameInfo.timeControl = TimeControlTagValue();
16481 gameInfo.event = StrSave("Edited game");
16482 gameInfo.site = StrSave(HostName());
16483 gameInfo.date = PGNDate();
16484 gameInfo.round = StrSave("-");
16485 gameInfo.white = StrSave("-");
16486 gameInfo.black = StrSave("-");
16487 gameInfo.result = r;
16488 gameInfo.resultDetails = p;
16492 gameInfo.event = StrSave("Edited position");
16493 gameInfo.site = StrSave(HostName());
16494 gameInfo.date = PGNDate();
16495 gameInfo.round = StrSave("-");
16496 gameInfo.white = StrSave("-");
16497 gameInfo.black = StrSave("-");
16500 case IcsPlayingWhite:
16501 case IcsPlayingBlack:
16506 case PlayFromGameFile:
16507 gameInfo.event = StrSave("Game from non-PGN file");
16508 gameInfo.site = StrSave(HostName());
16509 gameInfo.date = PGNDate();
16510 gameInfo.round = StrSave("-");
16511 gameInfo.white = StrSave("?");
16512 gameInfo.black = StrSave("?");
16521 ReplaceComment (int index, char *text)
16527 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16528 pvInfoList[index-1].depth == len &&
16529 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16530 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16531 while (*text == '\n') text++;
16532 len = strlen(text);
16533 while (len > 0 && text[len - 1] == '\n') len--;
16535 if (commentList[index] != NULL)
16536 free(commentList[index]);
16539 commentList[index] = NULL;
16542 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16543 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16544 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16545 commentList[index] = (char *) malloc(len + 2);
16546 strncpy(commentList[index], text, len);
16547 commentList[index][len] = '\n';
16548 commentList[index][len + 1] = NULLCHAR;
16550 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16552 commentList[index] = (char *) malloc(len + 7);
16553 safeStrCpy(commentList[index], "{\n", 3);
16554 safeStrCpy(commentList[index]+2, text, len+1);
16555 commentList[index][len+2] = NULLCHAR;
16556 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16557 strcat(commentList[index], "\n}\n");
16562 CrushCRs (char *text)
16570 if (ch == '\r') continue;
16572 } while (ch != '\0');
16576 AppendComment (int index, char *text, Boolean addBraces)
16577 /* addBraces tells if we should add {} */
16582 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16583 if(addBraces == 3) addBraces = 0; else // force appending literally
16584 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16587 while (*text == '\n') text++;
16588 len = strlen(text);
16589 while (len > 0 && text[len - 1] == '\n') len--;
16590 text[len] = NULLCHAR;
16592 if (len == 0) return;
16594 if (commentList[index] != NULL) {
16595 Boolean addClosingBrace = addBraces;
16596 old = commentList[index];
16597 oldlen = strlen(old);
16598 while(commentList[index][oldlen-1] == '\n')
16599 commentList[index][--oldlen] = NULLCHAR;
16600 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16601 safeStrCpy(commentList[index], old, oldlen + len + 6);
16603 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16604 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16605 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16606 while (*text == '\n') { text++; len--; }
16607 commentList[index][--oldlen] = NULLCHAR;
16609 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16610 else strcat(commentList[index], "\n");
16611 strcat(commentList[index], text);
16612 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16613 else strcat(commentList[index], "\n");
16615 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16617 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16618 else commentList[index][0] = NULLCHAR;
16619 strcat(commentList[index], text);
16620 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16621 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16626 FindStr (char * text, char * sub_text)
16628 char * result = strstr( text, sub_text );
16630 if( result != NULL ) {
16631 result += strlen( sub_text );
16637 /* [AS] Try to extract PV info from PGN comment */
16638 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16640 GetInfoFromComment (int index, char * text)
16642 char * sep = text, *p;
16644 if( text != NULL && index > 0 ) {
16647 int time = -1, sec = 0, deci;
16648 char * s_eval = FindStr( text, "[%eval " );
16649 char * s_emt = FindStr( text, "[%emt " );
16651 if( s_eval != NULL || s_emt != NULL ) {
16653 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16658 if( s_eval != NULL ) {
16659 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16663 if( delim != ']' ) {
16668 if( s_emt != NULL ) {
16673 /* We expect something like: [+|-]nnn.nn/dd */
16676 if(*text != '{') return text; // [HGM] braces: must be normal comment
16678 sep = strchr( text, '/' );
16679 if( sep == NULL || sep < (text+4) ) {
16684 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16685 if(p[1] == '(') { // comment starts with PV
16686 p = strchr(p, ')'); // locate end of PV
16687 if(p == NULL || sep < p+5) return text;
16688 // at this point we have something like "{(.*) +0.23/6 ..."
16689 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16690 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16691 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16693 time = -1; sec = -1; deci = -1;
16694 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16695 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16696 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16697 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16701 if( score_lo < 0 || score_lo >= 100 ) {
16705 if(sec >= 0) time = 600*time + 10*sec; else
16706 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16708 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16710 /* [HGM] PV time: now locate end of PV info */
16711 while( *++sep >= '0' && *sep <= '9'); // strip depth
16713 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16715 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16717 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16718 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16729 pvInfoList[index-1].depth = depth;
16730 pvInfoList[index-1].score = score;
16731 pvInfoList[index-1].time = 10*time; // centi-sec
16732 if(*sep == '}') *sep = 0; else *--sep = '{';
16733 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16739 SendToProgram (char *message, ChessProgramState *cps)
16741 int count, outCount, error;
16744 if (cps->pr == NoProc) return;
16747 if (appData.debugMode) {
16750 fprintf(debugFP, "%ld >%-6s: %s",
16751 SubtractTimeMarks(&now, &programStartTime),
16752 cps->which, message);
16754 fprintf(serverFP, "%ld >%-6s: %s",
16755 SubtractTimeMarks(&now, &programStartTime),
16756 cps->which, message), fflush(serverFP);
16759 count = strlen(message);
16760 outCount = OutputToProcess(cps->pr, message, count, &error);
16761 if (outCount < count && !exiting
16762 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16763 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16764 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16765 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16766 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16767 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16768 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16769 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16771 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16772 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16773 gameInfo.result = res;
16775 gameInfo.resultDetails = StrSave(buf);
16777 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16778 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16783 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16787 ChessProgramState *cps = (ChessProgramState *)closure;
16789 if (isr != cps->isr) return; /* Killed intentionally */
16792 RemoveInputSource(cps->isr);
16793 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16794 _(cps->which), cps->program);
16795 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16796 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16797 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16798 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16799 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16800 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16802 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16803 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16804 gameInfo.result = res;
16806 gameInfo.resultDetails = StrSave(buf);
16808 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16809 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16811 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16812 _(cps->which), cps->program);
16813 RemoveInputSource(cps->isr);
16815 /* [AS] Program is misbehaving badly... kill it */
16816 if( count == -2 ) {
16817 DestroyChildProcess( cps->pr, 9 );
16821 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16826 if ((end_str = strchr(message, '\r')) != NULL)
16827 *end_str = NULLCHAR;
16828 if ((end_str = strchr(message, '\n')) != NULL)
16829 *end_str = NULLCHAR;
16831 if (appData.debugMode) {
16832 TimeMark now; int print = 1;
16833 char *quote = ""; char c; int i;
16835 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16836 char start = message[0];
16837 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16838 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16839 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16840 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16841 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16842 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16843 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16844 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16845 sscanf(message, "hint: %c", &c)!=1 &&
16846 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16847 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16848 print = (appData.engineComments >= 2);
16850 message[0] = start; // restore original message
16854 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16855 SubtractTimeMarks(&now, &programStartTime), cps->which,
16859 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16860 SubtractTimeMarks(&now, &programStartTime), cps->which,
16862 message), fflush(serverFP);
16866 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16867 if (appData.icsEngineAnalyze) {
16868 if (strstr(message, "whisper") != NULL ||
16869 strstr(message, "kibitz") != NULL ||
16870 strstr(message, "tellics") != NULL) return;
16873 HandleMachineMove(message, cps);
16878 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16883 if( timeControl_2 > 0 ) {
16884 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16885 tc = timeControl_2;
16888 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16889 inc /= cps->timeOdds;
16890 st /= cps->timeOdds;
16892 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16895 /* Set exact time per move, normally using st command */
16896 if (cps->stKludge) {
16897 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16899 if (seconds == 0) {
16900 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16902 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16905 snprintf(buf, MSG_SIZ, "st %d\n", st);
16908 /* Set conventional or incremental time control, using level command */
16909 if (seconds == 0) {
16910 /* Note old gnuchess bug -- minutes:seconds used to not work.
16911 Fixed in later versions, but still avoid :seconds
16912 when seconds is 0. */
16913 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16915 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16916 seconds, inc/1000.);
16919 SendToProgram(buf, cps);
16921 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16922 /* Orthogonally, limit search to given depth */
16924 if (cps->sdKludge) {
16925 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16927 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16929 SendToProgram(buf, cps);
16932 if(cps->nps >= 0) { /* [HGM] nps */
16933 if(cps->supportsNPS == FALSE)
16934 cps->nps = -1; // don't use if engine explicitly says not supported!
16936 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16937 SendToProgram(buf, cps);
16942 ChessProgramState *
16944 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16946 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16947 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16953 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16955 char message[MSG_SIZ];
16958 /* Note: this routine must be called when the clocks are stopped
16959 or when they have *just* been set or switched; otherwise
16960 it will be off by the time since the current tick started.
16962 if (machineWhite) {
16963 time = whiteTimeRemaining / 10;
16964 otime = blackTimeRemaining / 10;
16966 time = blackTimeRemaining / 10;
16967 otime = whiteTimeRemaining / 10;
16969 /* [HGM] translate opponent's time by time-odds factor */
16970 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16972 if (time <= 0) time = 1;
16973 if (otime <= 0) otime = 1;
16975 snprintf(message, MSG_SIZ, "time %ld\n", time);
16976 SendToProgram(message, cps);
16978 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16979 SendToProgram(message, cps);
16983 EngineDefinedVariant (ChessProgramState *cps, int n)
16984 { // return name of n-th unknown variant that engine supports
16985 static char buf[MSG_SIZ];
16986 char *p, *s = cps->variants;
16987 if(!s) return NULL;
16988 do { // parse string from variants feature
16990 p = strchr(s, ',');
16991 if(p) *p = NULLCHAR;
16992 v = StringToVariant(s);
16993 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16994 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16995 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16996 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16997 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16998 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16999 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17002 if(n < 0) return buf;
17008 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17011 int len = strlen(name);
17014 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17016 sscanf(*p, "%d", &val);
17018 while (**p && **p != ' ')
17020 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17021 SendToProgram(buf, cps);
17028 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17031 int len = strlen(name);
17032 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17034 sscanf(*p, "%d", loc);
17035 while (**p && **p != ' ') (*p)++;
17036 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17037 SendToProgram(buf, cps);
17044 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17047 int len = strlen(name);
17048 if (strncmp((*p), name, len) == 0
17049 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17051 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17052 sscanf(*p, "%[^\"]", *loc);
17053 while (**p && **p != '\"') (*p)++;
17054 if (**p == '\"') (*p)++;
17055 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17056 SendToProgram(buf, cps);
17063 ParseOption (Option *opt, ChessProgramState *cps)
17064 // [HGM] options: process the string that defines an engine option, and determine
17065 // name, type, default value, and allowed value range
17067 char *p, *q, buf[MSG_SIZ];
17068 int n, min = (-1)<<31, max = 1<<31, def;
17070 opt->target = &opt->value; // OK for spin/slider and checkbox
17071 if(p = strstr(opt->name, " -spin ")) {
17072 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17073 if(max < min) max = min; // enforce consistency
17074 if(def < min) def = min;
17075 if(def > max) def = max;
17080 } else if((p = strstr(opt->name, " -slider "))) {
17081 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17082 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17083 if(max < min) max = min; // enforce consistency
17084 if(def < min) def = min;
17085 if(def > max) def = max;
17089 opt->type = Spin; // Slider;
17090 } else if((p = strstr(opt->name, " -string "))) {
17091 opt->textValue = p+9;
17092 opt->type = TextBox;
17093 opt->target = &opt->textValue;
17094 } else if((p = strstr(opt->name, " -file "))) {
17095 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17096 opt->target = opt->textValue = p+7;
17097 opt->type = FileName; // FileName;
17098 opt->target = &opt->textValue;
17099 } else if((p = strstr(opt->name, " -path "))) {
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 = PathName; // PathName;
17103 opt->target = &opt->textValue;
17104 } else if(p = strstr(opt->name, " -check ")) {
17105 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17106 opt->value = (def != 0);
17107 opt->type = CheckBox;
17108 } else if(p = strstr(opt->name, " -combo ")) {
17109 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17110 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17111 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17112 opt->value = n = 0;
17113 while(q = StrStr(q, " /// ")) {
17114 n++; *q = 0; // count choices, and null-terminate each of them
17116 if(*q == '*') { // remember default, which is marked with * prefix
17120 cps->comboList[cps->comboCnt++] = q;
17122 cps->comboList[cps->comboCnt++] = NULL;
17124 opt->type = ComboBox;
17125 } else if(p = strstr(opt->name, " -button")) {
17126 opt->type = Button;
17127 } else if(p = strstr(opt->name, " -save")) {
17128 opt->type = SaveButton;
17129 } else return FALSE;
17130 *p = 0; // terminate option name
17131 // now look if the command-line options define a setting for this engine option.
17132 if(cps->optionSettings && cps->optionSettings[0])
17133 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17134 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17135 snprintf(buf, MSG_SIZ, "option %s", p);
17136 if(p = strstr(buf, ",")) *p = 0;
17137 if(q = strchr(buf, '=')) switch(opt->type) {
17139 for(n=0; n<opt->max; n++)
17140 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17143 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17147 opt->value = atoi(q+1);
17152 SendToProgram(buf, cps);
17158 FeatureDone (ChessProgramState *cps, int val)
17160 DelayedEventCallback cb = GetDelayedEvent();
17161 if ((cb == InitBackEnd3 && cps == &first) ||
17162 (cb == SettingsMenuIfReady && cps == &second) ||
17163 (cb == LoadEngine) ||
17164 (cb == TwoMachinesEventIfReady)) {
17165 CancelDelayedEvent();
17166 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17167 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17168 cps->initDone = val;
17169 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17172 /* Parse feature command from engine */
17174 ParseFeatures (char *args, ChessProgramState *cps)
17182 while (*p == ' ') p++;
17183 if (*p == NULLCHAR) return;
17185 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17186 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17187 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17188 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17189 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17190 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17191 if (BoolFeature(&p, "reuse", &val, cps)) {
17192 /* Engine can disable reuse, but can't enable it if user said no */
17193 if (!val) cps->reuse = FALSE;
17196 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17197 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17198 if (gameMode == TwoMachinesPlay) {
17199 DisplayTwoMachinesTitle();
17205 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17206 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17207 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17208 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17209 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17210 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17211 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17212 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17213 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17214 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17215 if (IntFeature(&p, "done", &val, cps)) {
17216 FeatureDone(cps, val);
17219 /* Added by Tord: */
17220 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17221 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17222 /* End of additions by Tord */
17224 /* [HGM] added features: */
17225 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17226 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17227 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17228 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17229 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17230 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17231 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17232 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17233 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17234 FREE(cps->option[cps->nrOptions].name);
17235 cps->option[cps->nrOptions].name = q; q = NULL;
17236 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17237 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17238 SendToProgram(buf, cps);
17241 if(cps->nrOptions >= MAX_OPTIONS) {
17243 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17244 DisplayError(buf, 0);
17248 /* End of additions by HGM */
17250 /* unknown feature: complain and skip */
17252 while (*q && *q != '=') q++;
17253 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17254 SendToProgram(buf, cps);
17260 while (*p && *p != '\"') p++;
17261 if (*p == '\"') p++;
17263 while (*p && *p != ' ') p++;
17271 PeriodicUpdatesEvent (int newState)
17273 if (newState == appData.periodicUpdates)
17276 appData.periodicUpdates=newState;
17278 /* Display type changes, so update it now */
17279 // DisplayAnalysis();
17281 /* Get the ball rolling again... */
17283 AnalysisPeriodicEvent(1);
17284 StartAnalysisClock();
17289 PonderNextMoveEvent (int newState)
17291 if (newState == appData.ponderNextMove) return;
17292 if (gameMode == EditPosition) EditPositionDone(TRUE);
17294 SendToProgram("hard\n", &first);
17295 if (gameMode == TwoMachinesPlay) {
17296 SendToProgram("hard\n", &second);
17299 SendToProgram("easy\n", &first);
17300 thinkOutput[0] = NULLCHAR;
17301 if (gameMode == TwoMachinesPlay) {
17302 SendToProgram("easy\n", &second);
17305 appData.ponderNextMove = newState;
17309 NewSettingEvent (int option, int *feature, char *command, int value)
17313 if (gameMode == EditPosition) EditPositionDone(TRUE);
17314 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17315 if(feature == NULL || *feature) SendToProgram(buf, &first);
17316 if (gameMode == TwoMachinesPlay) {
17317 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17322 ShowThinkingEvent ()
17323 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17325 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17326 int newState = appData.showThinking
17327 // [HGM] thinking: other features now need thinking output as well
17328 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17330 if (oldState == newState) return;
17331 oldState = newState;
17332 if (gameMode == EditPosition) EditPositionDone(TRUE);
17334 SendToProgram("post\n", &first);
17335 if (gameMode == TwoMachinesPlay) {
17336 SendToProgram("post\n", &second);
17339 SendToProgram("nopost\n", &first);
17340 thinkOutput[0] = NULLCHAR;
17341 if (gameMode == TwoMachinesPlay) {
17342 SendToProgram("nopost\n", &second);
17345 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17349 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17351 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17352 if (pr == NoProc) return;
17353 AskQuestion(title, question, replyPrefix, pr);
17357 TypeInEvent (char firstChar)
17359 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17360 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17361 gameMode == AnalyzeMode || gameMode == EditGame ||
17362 gameMode == EditPosition || gameMode == IcsExamining ||
17363 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17364 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17365 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17366 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17367 gameMode == Training) PopUpMoveDialog(firstChar);
17371 TypeInDoneEvent (char *move)
17374 int n, fromX, fromY, toX, toY;
17376 ChessMove moveType;
17379 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17380 EditPositionPasteFEN(move);
17383 // [HGM] movenum: allow move number to be typed in any mode
17384 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17388 // undocumented kludge: allow command-line option to be typed in!
17389 // (potentially fatal, and does not implement the effect of the option.)
17390 // should only be used for options that are values on which future decisions will be made,
17391 // and definitely not on options that would be used during initialization.
17392 if(strstr(move, "!!! -") == move) {
17393 ParseArgsFromString(move+4);
17397 if (gameMode != EditGame && currentMove != forwardMostMove &&
17398 gameMode != Training) {
17399 DisplayMoveError(_("Displayed move is not current"));
17401 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17402 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17403 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17404 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17405 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17406 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17408 DisplayMoveError(_("Could not parse move"));
17414 DisplayMove (int moveNumber)
17416 char message[MSG_SIZ];
17418 char cpThinkOutput[MSG_SIZ];
17420 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17422 if (moveNumber == forwardMostMove - 1 ||
17423 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17425 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17427 if (strchr(cpThinkOutput, '\n')) {
17428 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17431 *cpThinkOutput = NULLCHAR;
17434 /* [AS] Hide thinking from human user */
17435 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17436 *cpThinkOutput = NULLCHAR;
17437 if( thinkOutput[0] != NULLCHAR ) {
17440 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17441 cpThinkOutput[i] = '.';
17443 cpThinkOutput[i] = NULLCHAR;
17444 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17448 if (moveNumber == forwardMostMove - 1 &&
17449 gameInfo.resultDetails != NULL) {
17450 if (gameInfo.resultDetails[0] == NULLCHAR) {
17451 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17453 snprintf(res, MSG_SIZ, " {%s} %s",
17454 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17460 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17461 DisplayMessage(res, cpThinkOutput);
17463 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17464 WhiteOnMove(moveNumber) ? " " : ".. ",
17465 parseList[moveNumber], res);
17466 DisplayMessage(message, cpThinkOutput);
17471 DisplayComment (int moveNumber, char *text)
17473 char title[MSG_SIZ];
17475 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17476 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17478 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17479 WhiteOnMove(moveNumber) ? " " : ".. ",
17480 parseList[moveNumber]);
17482 if (text != NULL && (appData.autoDisplayComment || commentUp))
17483 CommentPopUp(title, text);
17486 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17487 * might be busy thinking or pondering. It can be omitted if your
17488 * gnuchess is configured to stop thinking immediately on any user
17489 * input. However, that gnuchess feature depends on the FIONREAD
17490 * ioctl, which does not work properly on some flavors of Unix.
17493 Attention (ChessProgramState *cps)
17496 if (!cps->useSigint) return;
17497 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17498 switch (gameMode) {
17499 case MachinePlaysWhite:
17500 case MachinePlaysBlack:
17501 case TwoMachinesPlay:
17502 case IcsPlayingWhite:
17503 case IcsPlayingBlack:
17506 /* Skip if we know it isn't thinking */
17507 if (!cps->maybeThinking) return;
17508 if (appData.debugMode)
17509 fprintf(debugFP, "Interrupting %s\n", cps->which);
17510 InterruptChildProcess(cps->pr);
17511 cps->maybeThinking = FALSE;
17516 #endif /*ATTENTION*/
17522 if (whiteTimeRemaining <= 0) {
17525 if (appData.icsActive) {
17526 if (appData.autoCallFlag &&
17527 gameMode == IcsPlayingBlack && !blackFlag) {
17528 SendToICS(ics_prefix);
17529 SendToICS("flag\n");
17533 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17535 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17536 if (appData.autoCallFlag) {
17537 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17544 if (blackTimeRemaining <= 0) {
17547 if (appData.icsActive) {
17548 if (appData.autoCallFlag &&
17549 gameMode == IcsPlayingWhite && !whiteFlag) {
17550 SendToICS(ics_prefix);
17551 SendToICS("flag\n");
17555 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17557 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17558 if (appData.autoCallFlag) {
17559 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17570 CheckTimeControl ()
17572 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17573 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17576 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17578 if ( !WhiteOnMove(forwardMostMove) ) {
17579 /* White made time control */
17580 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17581 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17582 /* [HGM] time odds: correct new time quota for time odds! */
17583 / WhitePlayer()->timeOdds;
17584 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17586 lastBlack -= blackTimeRemaining;
17587 /* Black made time control */
17588 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17589 / WhitePlayer()->other->timeOdds;
17590 lastWhite = whiteTimeRemaining;
17595 DisplayBothClocks ()
17597 int wom = gameMode == EditPosition ?
17598 !blackPlaysFirst : WhiteOnMove(currentMove);
17599 DisplayWhiteClock(whiteTimeRemaining, wom);
17600 DisplayBlackClock(blackTimeRemaining, !wom);
17604 /* Timekeeping seems to be a portability nightmare. I think everyone
17605 has ftime(), but I'm really not sure, so I'm including some ifdefs
17606 to use other calls if you don't. Clocks will be less accurate if
17607 you have neither ftime nor gettimeofday.
17610 /* VS 2008 requires the #include outside of the function */
17611 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17612 #include <sys/timeb.h>
17615 /* Get the current time as a TimeMark */
17617 GetTimeMark (TimeMark *tm)
17619 #if HAVE_GETTIMEOFDAY
17621 struct timeval timeVal;
17622 struct timezone timeZone;
17624 gettimeofday(&timeVal, &timeZone);
17625 tm->sec = (long) timeVal.tv_sec;
17626 tm->ms = (int) (timeVal.tv_usec / 1000L);
17628 #else /*!HAVE_GETTIMEOFDAY*/
17631 // include <sys/timeb.h> / moved to just above start of function
17632 struct timeb timeB;
17635 tm->sec = (long) timeB.time;
17636 tm->ms = (int) timeB.millitm;
17638 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17639 tm->sec = (long) time(NULL);
17645 /* Return the difference in milliseconds between two
17646 time marks. We assume the difference will fit in a long!
17649 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17651 return 1000L*(tm2->sec - tm1->sec) +
17652 (long) (tm2->ms - tm1->ms);
17657 * Code to manage the game clocks.
17659 * In tournament play, black starts the clock and then white makes a move.
17660 * We give the human user a slight advantage if he is playing white---the
17661 * clocks don't run until he makes his first move, so it takes zero time.
17662 * Also, we don't account for network lag, so we could get out of sync
17663 * with GNU Chess's clock -- but then, referees are always right.
17666 static TimeMark tickStartTM;
17667 static long intendedTickLength;
17670 NextTickLength (long timeRemaining)
17672 long nominalTickLength, nextTickLength;
17674 if (timeRemaining > 0L && timeRemaining <= 10000L)
17675 nominalTickLength = 100L;
17677 nominalTickLength = 1000L;
17678 nextTickLength = timeRemaining % nominalTickLength;
17679 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17681 return nextTickLength;
17684 /* Adjust clock one minute up or down */
17686 AdjustClock (Boolean which, int dir)
17688 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17689 if(which) blackTimeRemaining += 60000*dir;
17690 else whiteTimeRemaining += 60000*dir;
17691 DisplayBothClocks();
17692 adjustedClock = TRUE;
17695 /* Stop clocks and reset to a fresh time control */
17699 (void) StopClockTimer();
17700 if (appData.icsActive) {
17701 whiteTimeRemaining = blackTimeRemaining = 0;
17702 } else if (searchTime) {
17703 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17704 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17705 } else { /* [HGM] correct new time quote for time odds */
17706 whiteTC = blackTC = fullTimeControlString;
17707 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17708 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17710 if (whiteFlag || blackFlag) {
17712 whiteFlag = blackFlag = FALSE;
17714 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17715 DisplayBothClocks();
17716 adjustedClock = FALSE;
17719 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17721 /* Decrement running clock by amount of time that has passed */
17725 long timeRemaining;
17726 long lastTickLength, fudge;
17729 if (!appData.clockMode) return;
17730 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17734 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17736 /* Fudge if we woke up a little too soon */
17737 fudge = intendedTickLength - lastTickLength;
17738 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17740 if (WhiteOnMove(forwardMostMove)) {
17741 if(whiteNPS >= 0) lastTickLength = 0;
17742 timeRemaining = whiteTimeRemaining -= lastTickLength;
17743 if(timeRemaining < 0 && !appData.icsActive) {
17744 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17745 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17746 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17747 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17750 DisplayWhiteClock(whiteTimeRemaining - fudge,
17751 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17753 if(blackNPS >= 0) lastTickLength = 0;
17754 timeRemaining = blackTimeRemaining -= lastTickLength;
17755 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17756 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17758 blackStartMove = forwardMostMove;
17759 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17762 DisplayBlackClock(blackTimeRemaining - fudge,
17763 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17765 if (CheckFlags()) return;
17767 if(twoBoards) { // count down secondary board's clocks as well
17768 activePartnerTime -= lastTickLength;
17770 if(activePartner == 'W')
17771 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17773 DisplayBlackClock(activePartnerTime, TRUE);
17778 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17779 StartClockTimer(intendedTickLength);
17781 /* if the time remaining has fallen below the alarm threshold, sound the
17782 * alarm. if the alarm has sounded and (due to a takeback or time control
17783 * with increment) the time remaining has increased to a level above the
17784 * threshold, reset the alarm so it can sound again.
17787 if (appData.icsActive && appData.icsAlarm) {
17789 /* make sure we are dealing with the user's clock */
17790 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17791 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17794 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17795 alarmSounded = FALSE;
17796 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17798 alarmSounded = TRUE;
17804 /* A player has just moved, so stop the previously running
17805 clock and (if in clock mode) start the other one.
17806 We redisplay both clocks in case we're in ICS mode, because
17807 ICS gives us an update to both clocks after every move.
17808 Note that this routine is called *after* forwardMostMove
17809 is updated, so the last fractional tick must be subtracted
17810 from the color that is *not* on move now.
17813 SwitchClocks (int newMoveNr)
17815 long lastTickLength;
17817 int flagged = FALSE;
17821 if (StopClockTimer() && appData.clockMode) {
17822 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17823 if (!WhiteOnMove(forwardMostMove)) {
17824 if(blackNPS >= 0) lastTickLength = 0;
17825 blackTimeRemaining -= lastTickLength;
17826 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17827 // if(pvInfoList[forwardMostMove].time == -1)
17828 pvInfoList[forwardMostMove].time = // use GUI time
17829 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17831 if(whiteNPS >= 0) lastTickLength = 0;
17832 whiteTimeRemaining -= lastTickLength;
17833 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17834 // if(pvInfoList[forwardMostMove].time == -1)
17835 pvInfoList[forwardMostMove].time =
17836 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17838 flagged = CheckFlags();
17840 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17841 CheckTimeControl();
17843 if (flagged || !appData.clockMode) return;
17845 switch (gameMode) {
17846 case MachinePlaysBlack:
17847 case MachinePlaysWhite:
17848 case BeginningOfGame:
17849 if (pausing) return;
17853 case PlayFromGameFile:
17861 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17862 if(WhiteOnMove(forwardMostMove))
17863 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17864 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17868 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17869 whiteTimeRemaining : blackTimeRemaining);
17870 StartClockTimer(intendedTickLength);
17874 /* Stop both clocks */
17878 long lastTickLength;
17881 if (!StopClockTimer()) return;
17882 if (!appData.clockMode) return;
17886 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17887 if (WhiteOnMove(forwardMostMove)) {
17888 if(whiteNPS >= 0) lastTickLength = 0;
17889 whiteTimeRemaining -= lastTickLength;
17890 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17892 if(blackNPS >= 0) lastTickLength = 0;
17893 blackTimeRemaining -= lastTickLength;
17894 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17899 /* Start clock of player on move. Time may have been reset, so
17900 if clock is already running, stop and restart it. */
17904 (void) StopClockTimer(); /* in case it was running already */
17905 DisplayBothClocks();
17906 if (CheckFlags()) return;
17908 if (!appData.clockMode) return;
17909 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17911 GetTimeMark(&tickStartTM);
17912 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17913 whiteTimeRemaining : blackTimeRemaining);
17915 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17916 whiteNPS = blackNPS = -1;
17917 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17918 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17919 whiteNPS = first.nps;
17920 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17921 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17922 blackNPS = first.nps;
17923 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17924 whiteNPS = second.nps;
17925 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17926 blackNPS = second.nps;
17927 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17929 StartClockTimer(intendedTickLength);
17933 TimeString (long ms)
17935 long second, minute, hour, day;
17937 static char buf[32];
17939 if (ms > 0 && ms <= 9900) {
17940 /* convert milliseconds to tenths, rounding up */
17941 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17943 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17947 /* convert milliseconds to seconds, rounding up */
17948 /* use floating point to avoid strangeness of integer division
17949 with negative dividends on many machines */
17950 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17957 day = second / (60 * 60 * 24);
17958 second = second % (60 * 60 * 24);
17959 hour = second / (60 * 60);
17960 second = second % (60 * 60);
17961 minute = second / 60;
17962 second = second % 60;
17965 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17966 sign, day, hour, minute, second);
17968 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17970 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17977 * This is necessary because some C libraries aren't ANSI C compliant yet.
17980 StrStr (char *string, char *match)
17984 length = strlen(match);
17986 for (i = strlen(string) - length; i >= 0; i--, string++)
17987 if (!strncmp(match, string, length))
17994 StrCaseStr (char *string, char *match)
17998 length = strlen(match);
18000 for (i = strlen(string) - length; i >= 0; i--, string++) {
18001 for (j = 0; j < length; j++) {
18002 if (ToLower(match[j]) != ToLower(string[j]))
18005 if (j == length) return string;
18013 StrCaseCmp (char *s1, char *s2)
18018 c1 = ToLower(*s1++);
18019 c2 = ToLower(*s2++);
18020 if (c1 > c2) return 1;
18021 if (c1 < c2) return -1;
18022 if (c1 == NULLCHAR) return 0;
18030 return isupper(c) ? tolower(c) : c;
18037 return islower(c) ? toupper(c) : c;
18039 #endif /* !_amigados */
18046 if ((ret = (char *) malloc(strlen(s) + 1)))
18048 safeStrCpy(ret, s, strlen(s)+1);
18054 StrSavePtr (char *s, char **savePtr)
18059 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18060 safeStrCpy(*savePtr, s, strlen(s)+1);
18072 clock = time((time_t *)NULL);
18073 tm = localtime(&clock);
18074 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18075 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18076 return StrSave(buf);
18081 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18083 int i, j, fromX, fromY, toX, toY;
18084 int whiteToPlay, haveRights = nrCastlingRights;
18090 whiteToPlay = (gameMode == EditPosition) ?
18091 !blackPlaysFirst : (move % 2 == 0);
18094 /* Piece placement data */
18095 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18096 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18098 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18099 if (boards[move][i][j] == EmptySquare) {
18101 } else { ChessSquare piece = boards[move][i][j];
18102 if (emptycount > 0) {
18103 if(emptycount<10) /* [HGM] can be >= 10 */
18104 *p++ = '0' + emptycount;
18105 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18108 if(PieceToChar(piece) == '+') {
18109 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18111 piece = (ChessSquare)(CHUDEMOTED(piece));
18113 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18114 if(*p = PieceSuffix(piece)) p++;
18116 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18117 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18122 if (emptycount > 0) {
18123 if(emptycount<10) /* [HGM] can be >= 10 */
18124 *p++ = '0' + emptycount;
18125 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18132 /* [HGM] print Crazyhouse or Shogi holdings */
18133 if( gameInfo.holdingsWidth ) {
18134 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18136 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18137 piece = boards[move][i][BOARD_WIDTH-1];
18138 if( piece != EmptySquare )
18139 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18140 *p++ = PieceToChar(piece);
18142 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18143 piece = boards[move][BOARD_HEIGHT-i-1][0];
18144 if( piece != EmptySquare )
18145 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18146 *p++ = PieceToChar(piece);
18149 if( q == p ) *p++ = '-';
18155 *p++ = whiteToPlay ? 'w' : 'b';
18158 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18159 haveRights = 0; q = p;
18160 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18161 piece = boards[move][0][i];
18162 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18163 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18166 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18167 piece = boards[move][BOARD_HEIGHT-1][i];
18168 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18169 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18172 if(p == q) *p++ = '-';
18176 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18177 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18180 int handW=0, handB=0;
18181 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18182 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18183 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18186 if(appData.fischerCastling) {
18187 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18188 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18189 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18191 /* [HGM] write directly from rights */
18192 if(boards[move][CASTLING][2] != NoRights &&
18193 boards[move][CASTLING][0] != NoRights )
18194 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18195 if(boards[move][CASTLING][2] != NoRights &&
18196 boards[move][CASTLING][1] != NoRights )
18197 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18200 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18201 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18203 if(boards[move][CASTLING][5] != NoRights &&
18204 boards[move][CASTLING][3] != NoRights )
18205 *p++ = boards[move][CASTLING][3] + AAA;
18206 if(boards[move][CASTLING][5] != NoRights &&
18207 boards[move][CASTLING][4] != NoRights )
18208 *p++ = boards[move][CASTLING][4] + AAA;
18212 /* [HGM] write true castling rights */
18213 if( nrCastlingRights == 6 ) {
18215 if(boards[move][CASTLING][0] != NoRights &&
18216 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18217 q = (boards[move][CASTLING][1] != NoRights &&
18218 boards[move][CASTLING][2] != NoRights );
18219 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18220 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18221 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18222 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18226 if(boards[move][CASTLING][3] != NoRights &&
18227 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18228 q = (boards[move][CASTLING][4] != NoRights &&
18229 boards[move][CASTLING][5] != NoRights );
18231 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18232 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18233 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18238 if (q == p) *p++ = '-'; /* No castling rights */
18242 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18243 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18244 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18245 /* En passant target square */
18246 if (move > backwardMostMove) {
18247 fromX = moveList[move - 1][0] - AAA;
18248 fromY = moveList[move - 1][1] - ONE;
18249 toX = moveList[move - 1][2] - AAA;
18250 toY = moveList[move - 1][3] - ONE;
18251 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18252 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18253 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18255 /* 2-square pawn move just happened */
18257 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18261 } else if(move == backwardMostMove) {
18262 // [HGM] perhaps we should always do it like this, and forget the above?
18263 if((signed char)boards[move][EP_STATUS] >= 0) {
18264 *p++ = boards[move][EP_STATUS] + AAA;
18265 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18277 { int i = 0, j=move;
18279 /* [HGM] find reversible plies */
18280 if (appData.debugMode) { int k;
18281 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18282 for(k=backwardMostMove; k<=forwardMostMove; k++)
18283 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18287 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18288 if( j == backwardMostMove ) i += initialRulePlies;
18289 sprintf(p, "%d ", i);
18290 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18292 /* Fullmove number */
18293 sprintf(p, "%d", (move / 2) + 1);
18294 } else *--p = NULLCHAR;
18296 return StrSave(buf);
18300 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18302 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18304 int emptycount, virgin[BOARD_FILES];
18305 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18309 /* Piece placement data */
18310 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18313 if (*p == '/' || *p == ' ' || *p == '[' ) {
18315 emptycount = gameInfo.boardWidth - j;
18316 while (emptycount--)
18317 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18318 if (*p == '/') p++;
18319 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18320 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18321 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18323 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18326 #if(BOARD_FILES >= 10)*0
18327 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18328 p++; emptycount=10;
18329 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18330 while (emptycount--)
18331 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18333 } else if (*p == '*') {
18334 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18335 } else if (isdigit(*p)) {
18336 emptycount = *p++ - '0';
18337 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18338 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18339 while (emptycount--)
18340 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18341 } else if (*p == '<') {
18342 if(i == BOARD_HEIGHT-1) shuffle = 1;
18343 else if (i != 0 || !shuffle) return FALSE;
18345 } else if (shuffle && *p == '>') {
18346 p++; // for now ignore closing shuffle range, and assume rank-end
18347 } else if (*p == '?') {
18348 if (j >= gameInfo.boardWidth) return FALSE;
18349 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18350 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18351 } else if (*p == '+' || isalpha(*p)) {
18352 char *q, *s = SUFFIXES;
18353 if (j >= gameInfo.boardWidth) return FALSE;
18356 if(q = strchr(s, p[1])) p++;
18357 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18358 if(piece == EmptySquare) return FALSE; /* unknown piece */
18359 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18360 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18363 if(q = strchr(s, *p)) p++;
18364 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18367 if(piece==EmptySquare) return FALSE; /* unknown piece */
18368 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18369 piece = (ChessSquare) (PROMOTED(piece));
18370 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18373 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18374 if(piece == king) wKingRank = i;
18375 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18381 while (*p == '/' || *p == ' ') p++;
18383 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18385 /* [HGM] by default clear Crazyhouse holdings, if present */
18386 if(gameInfo.holdingsWidth) {
18387 for(i=0; i<BOARD_HEIGHT; i++) {
18388 board[i][0] = EmptySquare; /* black holdings */
18389 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18390 board[i][1] = (ChessSquare) 0; /* black counts */
18391 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18395 /* [HGM] look for Crazyhouse holdings here */
18396 while(*p==' ') p++;
18397 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18398 int swap=0, wcnt=0, bcnt=0;
18400 if(*p == '<') swap++, p++;
18401 if(*p == '-' ) p++; /* empty holdings */ else {
18402 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18403 /* if we would allow FEN reading to set board size, we would */
18404 /* have to add holdings and shift the board read so far here */
18405 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18407 if((int) piece >= (int) BlackPawn ) {
18408 i = (int)piece - (int)BlackPawn;
18409 i = PieceToNumber((ChessSquare)i);
18410 if( i >= gameInfo.holdingsSize ) return FALSE;
18411 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18412 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18415 i = (int)piece - (int)WhitePawn;
18416 i = PieceToNumber((ChessSquare)i);
18417 if( i >= gameInfo.holdingsSize ) return FALSE;
18418 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18419 board[i][BOARD_WIDTH-2]++; /* black holdings */
18423 if(subst) { // substitute back-rank question marks by holdings pieces
18424 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18425 int k, m, n = bcnt + 1;
18426 if(board[0][j] == ClearBoard) {
18427 if(!wcnt) return FALSE;
18429 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18430 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18431 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18435 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18436 if(!bcnt) return FALSE;
18437 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18438 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18439 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18440 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18451 if(subst) return FALSE; // substitution requested, but no holdings
18453 while(*p == ' ') p++;
18457 if(appData.colorNickNames) {
18458 if( c == appData.colorNickNames[0] ) c = 'w'; else
18459 if( c == appData.colorNickNames[1] ) c = 'b';
18463 *blackPlaysFirst = FALSE;
18466 *blackPlaysFirst = TRUE;
18472 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18473 /* return the extra info in global variiables */
18475 while(*p==' ') p++;
18477 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18478 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18479 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18482 /* set defaults in case FEN is incomplete */
18483 board[EP_STATUS] = EP_UNKNOWN;
18484 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18485 for(i=0; i<nrCastlingRights; i++ ) {
18486 board[CASTLING][i] =
18487 appData.fischerCastling ? NoRights : initialRights[i];
18488 } /* assume possible unless obviously impossible */
18489 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18490 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18491 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18492 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18493 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18494 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18495 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18496 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18499 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18502 while(isalpha(*p)) {
18503 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18504 if(islower(*p)) b |= 1 << (*p++ - 'a');
18508 board[TOUCHED_W] = ~w;
18509 board[TOUCHED_B] = ~b;
18510 while(*p == ' ') p++;
18514 if(nrCastlingRights) {
18516 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18517 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18518 /* castling indicator present, so default becomes no castlings */
18519 for(i=0; i<nrCastlingRights; i++ ) {
18520 board[CASTLING][i] = NoRights;
18523 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18524 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18525 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18526 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18527 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18530 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18531 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18533 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18534 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18535 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18536 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18537 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18538 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18541 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18542 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18543 board[CASTLING][2] = whiteKingFile;
18544 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18545 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18546 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18549 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18550 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18551 board[CASTLING][2] = whiteKingFile;
18552 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18553 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18554 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18557 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18558 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18559 board[CASTLING][5] = blackKingFile;
18560 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18561 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18562 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18565 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18566 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18567 board[CASTLING][5] = blackKingFile;
18568 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18569 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18570 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18573 default: /* FRC castlings */
18574 if(c >= 'a') { /* black rights */
18575 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18576 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18577 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18578 if(i == BOARD_RGHT) break;
18579 board[CASTLING][5] = i;
18581 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18582 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18584 board[CASTLING][3] = c;
18586 board[CASTLING][4] = c;
18587 } else { /* white rights */
18588 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18589 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18590 if(board[0][i] == WhiteKing) break;
18591 if(i == BOARD_RGHT) break;
18592 board[CASTLING][2] = i;
18593 c -= AAA - 'a' + 'A';
18594 if(board[0][c] >= WhiteKing) break;
18596 board[CASTLING][0] = c;
18598 board[CASTLING][1] = c;
18602 for(i=0; i<nrCastlingRights; i++)
18603 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18604 if(gameInfo.variant == VariantSChess)
18605 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18606 if(fischer && shuffle) appData.fischerCastling = TRUE;
18607 if (appData.debugMode) {
18608 fprintf(debugFP, "FEN castling rights:");
18609 for(i=0; i<nrCastlingRights; i++)
18610 fprintf(debugFP, " %d", board[CASTLING][i]);
18611 fprintf(debugFP, "\n");
18614 while(*p==' ') p++;
18617 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18619 /* read e.p. field in games that know e.p. capture */
18620 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18621 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18622 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18624 p++; board[EP_STATUS] = EP_NONE;
18626 char c = *p++ - AAA;
18628 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18629 if(*p >= '0' && *p <='9') p++;
18630 board[EP_STATUS] = c;
18635 if(sscanf(p, "%d", &i) == 1) {
18636 FENrulePlies = i; /* 50-move ply counter */
18637 /* (The move number is still ignored) */
18644 EditPositionPasteFEN (char *fen)
18647 Board initial_position;
18649 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18650 DisplayError(_("Bad FEN position in clipboard"), 0);
18653 int savedBlackPlaysFirst = blackPlaysFirst;
18654 EditPositionEvent();
18655 blackPlaysFirst = savedBlackPlaysFirst;
18656 CopyBoard(boards[0], initial_position);
18657 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18658 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18659 DisplayBothClocks();
18660 DrawPosition(FALSE, boards[currentMove]);
18665 static char cseq[12] = "\\ ";
18668 set_cont_sequence (char *new_seq)
18673 // handle bad attempts to set the sequence
18675 return 0; // acceptable error - no debug
18677 len = strlen(new_seq);
18678 ret = (len > 0) && (len < sizeof(cseq));
18680 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18681 else if (appData.debugMode)
18682 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18687 reformat a source message so words don't cross the width boundary. internal
18688 newlines are not removed. returns the wrapped size (no null character unless
18689 included in source message). If dest is NULL, only calculate the size required
18690 for the dest buffer. lp argument indicats line position upon entry, and it's
18691 passed back upon exit.
18694 wrap (char *dest, char *src, int count, int width, int *lp)
18696 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18698 cseq_len = strlen(cseq);
18699 old_line = line = *lp;
18700 ansi = len = clen = 0;
18702 for (i=0; i < count; i++)
18704 if (src[i] == '\033')
18707 // if we hit the width, back up
18708 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18710 // store i & len in case the word is too long
18711 old_i = i, old_len = len;
18713 // find the end of the last word
18714 while (i && src[i] != ' ' && src[i] != '\n')
18720 // word too long? restore i & len before splitting it
18721 if ((old_i-i+clen) >= width)
18728 if (i && src[i-1] == ' ')
18731 if (src[i] != ' ' && src[i] != '\n')
18738 // now append the newline and continuation sequence
18743 strncpy(dest+len, cseq, cseq_len);
18751 dest[len] = src[i];
18755 if (src[i] == '\n')
18760 if (dest && appData.debugMode)
18762 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18763 count, width, line, len, *lp);
18764 show_bytes(debugFP, src, count);
18765 fprintf(debugFP, "\ndest: ");
18766 show_bytes(debugFP, dest, len);
18767 fprintf(debugFP, "\n");
18769 *lp = dest ? line : old_line;
18774 // [HGM] vari: routines for shelving variations
18775 Boolean modeRestore = FALSE;
18778 PushInner (int firstMove, int lastMove)
18780 int i, j, nrMoves = lastMove - firstMove;
18782 // push current tail of game on stack
18783 savedResult[storedGames] = gameInfo.result;
18784 savedDetails[storedGames] = gameInfo.resultDetails;
18785 gameInfo.resultDetails = NULL;
18786 savedFirst[storedGames] = firstMove;
18787 savedLast [storedGames] = lastMove;
18788 savedFramePtr[storedGames] = framePtr;
18789 framePtr -= nrMoves; // reserve space for the boards
18790 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18791 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18792 for(j=0; j<MOVE_LEN; j++)
18793 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18794 for(j=0; j<2*MOVE_LEN; j++)
18795 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18796 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18797 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18798 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18799 pvInfoList[firstMove+i-1].depth = 0;
18800 commentList[framePtr+i] = commentList[firstMove+i];
18801 commentList[firstMove+i] = NULL;
18805 forwardMostMove = firstMove; // truncate game so we can start variation
18809 PushTail (int firstMove, int lastMove)
18811 if(appData.icsActive) { // only in local mode
18812 forwardMostMove = currentMove; // mimic old ICS behavior
18815 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18817 PushInner(firstMove, lastMove);
18818 if(storedGames == 1) GreyRevert(FALSE);
18819 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18823 PopInner (Boolean annotate)
18826 char buf[8000], moveBuf[20];
18828 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18829 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18830 nrMoves = savedLast[storedGames] - currentMove;
18833 if(!WhiteOnMove(currentMove))
18834 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18835 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18836 for(i=currentMove; i<forwardMostMove; i++) {
18838 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18839 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18840 strcat(buf, moveBuf);
18841 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18842 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18846 for(i=1; i<=nrMoves; i++) { // copy last variation back
18847 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18848 for(j=0; j<MOVE_LEN; j++)
18849 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18850 for(j=0; j<2*MOVE_LEN; j++)
18851 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18852 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18853 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18854 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18855 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18856 commentList[currentMove+i] = commentList[framePtr+i];
18857 commentList[framePtr+i] = NULL;
18859 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18860 framePtr = savedFramePtr[storedGames];
18861 gameInfo.result = savedResult[storedGames];
18862 if(gameInfo.resultDetails != NULL) {
18863 free(gameInfo.resultDetails);
18865 gameInfo.resultDetails = savedDetails[storedGames];
18866 forwardMostMove = currentMove + nrMoves;
18870 PopTail (Boolean annotate)
18872 if(appData.icsActive) return FALSE; // only in local mode
18873 if(!storedGames) return FALSE; // sanity
18874 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18876 PopInner(annotate);
18877 if(currentMove < forwardMostMove) ForwardEvent(); else
18878 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18880 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18886 { // remove all shelved variations
18888 for(i=0; i<storedGames; i++) {
18889 if(savedDetails[i])
18890 free(savedDetails[i]);
18891 savedDetails[i] = NULL;
18893 for(i=framePtr; i<MAX_MOVES; i++) {
18894 if(commentList[i]) free(commentList[i]);
18895 commentList[i] = NULL;
18897 framePtr = MAX_MOVES-1;
18902 LoadVariation (int index, char *text)
18903 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18904 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18905 int level = 0, move;
18907 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18908 // first find outermost bracketing variation
18909 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18910 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18911 if(*p == '{') wait = '}'; else
18912 if(*p == '[') wait = ']'; else
18913 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18914 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18916 if(*p == wait) wait = NULLCHAR; // closing ]} found
18919 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18920 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18921 end[1] = NULLCHAR; // clip off comment beyond variation
18922 ToNrEvent(currentMove-1);
18923 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18924 // kludge: use ParsePV() to append variation to game
18925 move = currentMove;
18926 ParsePV(start, TRUE, TRUE);
18927 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18928 ClearPremoveHighlights();
18930 ToNrEvent(currentMove+1);
18936 char *p, *q, buf[MSG_SIZ];
18937 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18938 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18939 ParseArgsFromString(buf);
18940 ActivateTheme(TRUE); // also redo colors
18944 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18947 q = appData.themeNames;
18948 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18949 if(appData.useBitmaps) {
18950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18951 appData.liteBackTextureFile, appData.darkBackTextureFile,
18952 appData.liteBackTextureMode,
18953 appData.darkBackTextureMode );
18955 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18956 Col2Text(2), // lightSquareColor
18957 Col2Text(3) ); // darkSquareColor
18959 if(appData.useBorder) {
18960 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18963 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18965 if(appData.useFont) {
18966 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18967 appData.renderPiecesWithFont,
18968 appData.fontToPieceTable,
18969 Col2Text(9), // appData.fontBackColorWhite
18970 Col2Text(10) ); // appData.fontForeColorBlack
18972 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18973 appData.pieceDirectory);
18974 if(!appData.pieceDirectory[0])
18975 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18976 Col2Text(0), // whitePieceColor
18977 Col2Text(1) ); // blackPieceColor
18979 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18980 Col2Text(4), // highlightSquareColor
18981 Col2Text(5) ); // premoveHighlightColor
18982 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18983 if(insert != q) insert[-1] = NULLCHAR;
18984 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18987 ActivateTheme(FALSE);