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], avoidMove[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, BlackDragon, BlackKing, BlackTower,
568 BlackTower, 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, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
696 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
698 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
699 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
700 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
701 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
702 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
704 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
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 = totalTime = 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)))
3401 } // [DM] 'else { ' deleted
3403 /* Regular tells and says */
3404 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3405 looking_at(buf, &i, "* (your partner) tells you: ") ||
3406 looking_at(buf, &i, "* says: ") ||
3407 /* Don't color "message" or "messages" output */
3408 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3409 looking_at(buf, &i, "*. * at *:*: ") ||
3410 looking_at(buf, &i, "--* (*:*): ") ||
3411 /* Message notifications (same color as tells) */
3412 looking_at(buf, &i, "* has left a message ") ||
3413 looking_at(buf, &i, "* just sent you a message:\n") ||
3414 /* Whispers and kibitzes */
3415 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3416 looking_at(buf, &i, "* kibitzes: ") ||
3418 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3420 if (tkind == 1 && strchr(star_match[0], ':')) {
3421 /* Avoid "tells you:" spoofs in channels */
3424 if (star_match[0][0] == NULLCHAR ||
3425 strchr(star_match[0], ' ') ||
3426 (tkind == 3 && strchr(star_match[1], ' '))) {
3427 /* Reject bogus matches */
3430 if (appData.colorize) {
3431 if (oldi > next_out) {
3432 SendToPlayer(&buf[next_out], oldi - next_out);
3437 Colorize(ColorTell, FALSE);
3438 curColor = ColorTell;
3441 Colorize(ColorKibitz, FALSE);
3442 curColor = ColorKibitz;
3445 p = strrchr(star_match[1], '(');
3452 Colorize(ColorChannel1, FALSE);
3453 curColor = ColorChannel1;
3455 Colorize(ColorChannel, FALSE);
3456 curColor = ColorChannel;
3460 curColor = ColorNormal;
3464 if (started == STARTED_NONE && appData.autoComment &&
3465 (gameMode == IcsObserving ||
3466 gameMode == IcsPlayingWhite ||
3467 gameMode == IcsPlayingBlack)) {
3468 parse_pos = i - oldi;
3469 memcpy(parse, &buf[oldi], parse_pos);
3470 parse[parse_pos] = NULLCHAR;
3471 started = STARTED_COMMENT;
3472 savingComment = TRUE;
3473 } else if(collective != 3) {
3474 started = STARTED_CHATTER;
3475 savingComment = FALSE;
3482 if (looking_at(buf, &i, "* s-shouts: ") ||
3483 looking_at(buf, &i, "* c-shouts: ")) {
3484 if (appData.colorize) {
3485 if (oldi > next_out) {
3486 SendToPlayer(&buf[next_out], oldi - next_out);
3489 Colorize(ColorSShout, FALSE);
3490 curColor = ColorSShout;
3493 started = STARTED_CHATTER;
3497 if (looking_at(buf, &i, "--->")) {
3502 if (looking_at(buf, &i, "* shouts: ") ||
3503 looking_at(buf, &i, "--> ")) {
3504 if (appData.colorize) {
3505 if (oldi > next_out) {
3506 SendToPlayer(&buf[next_out], oldi - next_out);
3509 Colorize(ColorShout, FALSE);
3510 curColor = ColorShout;
3513 started = STARTED_CHATTER;
3517 if (looking_at( buf, &i, "Challenge:")) {
3518 if (appData.colorize) {
3519 if (oldi > next_out) {
3520 SendToPlayer(&buf[next_out], oldi - next_out);
3523 Colorize(ColorChallenge, FALSE);
3524 curColor = ColorChallenge;
3530 if (looking_at(buf, &i, "* offers you") ||
3531 looking_at(buf, &i, "* offers to be") ||
3532 looking_at(buf, &i, "* would like to") ||
3533 looking_at(buf, &i, "* requests to") ||
3534 looking_at(buf, &i, "Your opponent offers") ||
3535 looking_at(buf, &i, "Your opponent requests")) {
3537 if (appData.colorize) {
3538 if (oldi > next_out) {
3539 SendToPlayer(&buf[next_out], oldi - next_out);
3542 Colorize(ColorRequest, FALSE);
3543 curColor = ColorRequest;
3548 if (looking_at(buf, &i, "* (*) seeking")) {
3549 if (appData.colorize) {
3550 if (oldi > next_out) {
3551 SendToPlayer(&buf[next_out], oldi - next_out);
3554 Colorize(ColorSeek, FALSE);
3555 curColor = ColorSeek;
3560 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3562 if (looking_at(buf, &i, "\\ ")) {
3563 if (prevColor != ColorNormal) {
3564 if (oldi > next_out) {
3565 SendToPlayer(&buf[next_out], oldi - next_out);
3568 Colorize(prevColor, TRUE);
3569 curColor = prevColor;
3571 if (savingComment) {
3572 parse_pos = i - oldi;
3573 memcpy(parse, &buf[oldi], parse_pos);
3574 parse[parse_pos] = NULLCHAR;
3575 started = STARTED_COMMENT;
3576 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3577 chattingPartner = savingComment - 3; // kludge to remember the box
3579 started = STARTED_CHATTER;
3584 if (looking_at(buf, &i, "Black Strength :") ||
3585 looking_at(buf, &i, "<<< style 10 board >>>") ||
3586 looking_at(buf, &i, "<10>") ||
3587 looking_at(buf, &i, "#@#")) {
3588 /* Wrong board style */
3590 SendToICS(ics_prefix);
3591 SendToICS("set style 12\n");
3592 SendToICS(ics_prefix);
3593 SendToICS("refresh\n");
3597 if (looking_at(buf, &i, "login:")) {
3598 if (!have_sent_ICS_logon) {
3600 have_sent_ICS_logon = 1;
3601 else // no init script was found
3602 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3603 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3609 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3610 (looking_at(buf, &i, "\n<12> ") ||
3611 looking_at(buf, &i, "<12> "))) {
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 started = STARTED_BOARD;
3622 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3623 looking_at(buf, &i, "<b1> ")) {
3624 if (oldi > next_out) {
3625 SendToPlayer(&buf[next_out], oldi - next_out);
3628 started = STARTED_HOLDINGS;
3633 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3635 /* Header for a move list -- first line */
3637 switch (ics_getting_history) {
3641 case BeginningOfGame:
3642 /* User typed "moves" or "oldmoves" while we
3643 were idle. Pretend we asked for these
3644 moves and soak them up so user can step
3645 through them and/or save them.
3648 gameMode = IcsObserving;
3651 ics_getting_history = H_GOT_UNREQ_HEADER;
3653 case EditGame: /*?*/
3654 case EditPosition: /*?*/
3655 /* Should above feature work in these modes too? */
3656 /* For now it doesn't */
3657 ics_getting_history = H_GOT_UNWANTED_HEADER;
3660 ics_getting_history = H_GOT_UNWANTED_HEADER;
3665 /* Is this the right one? */
3666 if (gameInfo.white && gameInfo.black &&
3667 strcmp(gameInfo.white, star_match[0]) == 0 &&
3668 strcmp(gameInfo.black, star_match[2]) == 0) {
3670 ics_getting_history = H_GOT_REQ_HEADER;
3673 case H_GOT_REQ_HEADER:
3674 case H_GOT_UNREQ_HEADER:
3675 case H_GOT_UNWANTED_HEADER:
3676 case H_GETTING_MOVES:
3677 /* Should not happen */
3678 DisplayError(_("Error gathering move list: two headers"), 0);
3679 ics_getting_history = H_FALSE;
3683 /* Save player ratings into gameInfo if needed */
3684 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3685 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3686 (gameInfo.whiteRating == -1 ||
3687 gameInfo.blackRating == -1)) {
3689 gameInfo.whiteRating = string_to_rating(star_match[1]);
3690 gameInfo.blackRating = string_to_rating(star_match[3]);
3691 if (appData.debugMode)
3692 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3693 gameInfo.whiteRating, gameInfo.blackRating);
3698 if (looking_at(buf, &i,
3699 "* * match, initial time: * minute*, increment: * second")) {
3700 /* Header for a move list -- second line */
3701 /* Initial board will follow if this is a wild game */
3702 if (gameInfo.event != NULL) free(gameInfo.event);
3703 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3704 gameInfo.event = StrSave(str);
3705 /* [HGM] we switched variant. Translate boards if needed. */
3706 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3710 if (looking_at(buf, &i, "Move ")) {
3711 /* Beginning of a move list */
3712 switch (ics_getting_history) {
3714 /* Normally should not happen */
3715 /* Maybe user hit reset while we were parsing */
3718 /* Happens if we are ignoring a move list that is not
3719 * the one we just requested. Common if the user
3720 * tries to observe two games without turning off
3723 case H_GETTING_MOVES:
3724 /* Should not happen */
3725 DisplayError(_("Error gathering move list: nested"), 0);
3726 ics_getting_history = H_FALSE;
3728 case H_GOT_REQ_HEADER:
3729 ics_getting_history = H_GETTING_MOVES;
3730 started = STARTED_MOVES;
3732 if (oldi > next_out) {
3733 SendToPlayer(&buf[next_out], oldi - next_out);
3736 case H_GOT_UNREQ_HEADER:
3737 ics_getting_history = H_GETTING_MOVES;
3738 started = STARTED_MOVES_NOHIDE;
3741 case H_GOT_UNWANTED_HEADER:
3742 ics_getting_history = H_FALSE;
3748 if (looking_at(buf, &i, "% ") ||
3749 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3750 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3751 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3752 soughtPending = FALSE;
3756 if(suppressKibitz) next_out = i;
3757 savingComment = FALSE;
3761 case STARTED_MOVES_NOHIDE:
3762 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3763 parse[parse_pos + i - oldi] = NULLCHAR;
3764 ParseGameHistory(parse);
3766 if (appData.zippyPlay && first.initDone) {
3767 FeedMovesToProgram(&first, forwardMostMove);
3768 if (gameMode == IcsPlayingWhite) {
3769 if (WhiteOnMove(forwardMostMove)) {
3770 if (first.sendTime) {
3771 if (first.useColors) {
3772 SendToProgram("black\n", &first);
3774 SendTimeRemaining(&first, TRUE);
3776 if (first.useColors) {
3777 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3779 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3780 first.maybeThinking = TRUE;
3782 if (first.usePlayother) {
3783 if (first.sendTime) {
3784 SendTimeRemaining(&first, TRUE);
3786 SendToProgram("playother\n", &first);
3792 } else if (gameMode == IcsPlayingBlack) {
3793 if (!WhiteOnMove(forwardMostMove)) {
3794 if (first.sendTime) {
3795 if (first.useColors) {
3796 SendToProgram("white\n", &first);
3798 SendTimeRemaining(&first, FALSE);
3800 if (first.useColors) {
3801 SendToProgram("black\n", &first);
3803 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3804 first.maybeThinking = TRUE;
3806 if (first.usePlayother) {
3807 if (first.sendTime) {
3808 SendTimeRemaining(&first, FALSE);
3810 SendToProgram("playother\n", &first);
3819 if (gameMode == IcsObserving && ics_gamenum == -1) {
3820 /* Moves came from oldmoves or moves command
3821 while we weren't doing anything else.
3823 currentMove = forwardMostMove;
3824 ClearHighlights();/*!!could figure this out*/
3825 flipView = appData.flipView;
3826 DrawPosition(TRUE, boards[currentMove]);
3827 DisplayBothClocks();
3828 snprintf(str, MSG_SIZ, "%s %s %s",
3829 gameInfo.white, _("vs."), gameInfo.black);
3833 /* Moves were history of an active game */
3834 if (gameInfo.resultDetails != NULL) {
3835 free(gameInfo.resultDetails);
3836 gameInfo.resultDetails = NULL;
3839 HistorySet(parseList, backwardMostMove,
3840 forwardMostMove, currentMove-1);
3841 DisplayMove(currentMove - 1);
3842 if (started == STARTED_MOVES) next_out = i;
3843 started = STARTED_NONE;
3844 ics_getting_history = H_FALSE;
3847 case STARTED_OBSERVE:
3848 started = STARTED_NONE;
3849 SendToICS(ics_prefix);
3850 SendToICS("refresh\n");
3856 if(bookHit) { // [HGM] book: simulate book reply
3857 static char bookMove[MSG_SIZ]; // a bit generous?
3859 programStats.nodes = programStats.depth = programStats.time =
3860 programStats.score = programStats.got_only_move = 0;
3861 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3863 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3864 strcat(bookMove, bookHit);
3865 HandleMachineMove(bookMove, &first);
3870 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3871 started == STARTED_HOLDINGS ||
3872 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3873 /* Accumulate characters in move list or board */
3874 parse[parse_pos++] = buf[i];
3877 /* Start of game messages. Mostly we detect start of game
3878 when the first board image arrives. On some versions
3879 of the ICS, though, we need to do a "refresh" after starting
3880 to observe in order to get the current board right away. */
3881 if (looking_at(buf, &i, "Adding game * to observation list")) {
3882 started = STARTED_OBSERVE;
3886 /* Handle auto-observe */
3887 if (appData.autoObserve &&
3888 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3889 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3891 /* Choose the player that was highlighted, if any. */
3892 if (star_match[0][0] == '\033' ||
3893 star_match[1][0] != '\033') {
3894 player = star_match[0];
3896 player = star_match[2];
3898 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3899 ics_prefix, StripHighlightAndTitle(player));
3902 /* Save ratings from notify string */
3903 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3904 player1Rating = string_to_rating(star_match[1]);
3905 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3906 player2Rating = string_to_rating(star_match[3]);
3908 if (appData.debugMode)
3910 "Ratings from 'Game notification:' %s %d, %s %d\n",
3911 player1Name, player1Rating,
3912 player2Name, player2Rating);
3917 /* Deal with automatic examine mode after a game,
3918 and with IcsObserving -> IcsExamining transition */
3919 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3920 looking_at(buf, &i, "has made you an examiner of game *")) {
3922 int gamenum = atoi(star_match[0]);
3923 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3924 gamenum == ics_gamenum) {
3925 /* We were already playing or observing this game;
3926 no need to refetch history */
3927 gameMode = IcsExamining;
3929 pauseExamForwardMostMove = forwardMostMove;
3930 } else if (currentMove < forwardMostMove) {
3931 ForwardInner(forwardMostMove);
3934 /* I don't think this case really can happen */
3935 SendToICS(ics_prefix);
3936 SendToICS("refresh\n");
3941 /* Error messages */
3942 // if (ics_user_moved) {
3943 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3944 if (looking_at(buf, &i, "Illegal move") ||
3945 looking_at(buf, &i, "Not a legal move") ||
3946 looking_at(buf, &i, "Your king is in check") ||
3947 looking_at(buf, &i, "It isn't your turn") ||
3948 looking_at(buf, &i, "It is not your move")) {
3950 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3951 currentMove = forwardMostMove-1;
3952 DisplayMove(currentMove - 1); /* before DMError */
3953 DrawPosition(FALSE, boards[currentMove]);
3954 SwitchClocks(forwardMostMove-1); // [HGM] race
3955 DisplayBothClocks();
3957 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3963 if (looking_at(buf, &i, "still have time") ||
3964 looking_at(buf, &i, "not out of time") ||
3965 looking_at(buf, &i, "either player is out of time") ||
3966 looking_at(buf, &i, "has timeseal; checking")) {
3967 /* We must have called his flag a little too soon */
3968 whiteFlag = blackFlag = FALSE;
3972 if (looking_at(buf, &i, "added * seconds to") ||
3973 looking_at(buf, &i, "seconds were added to")) {
3974 /* Update the clocks */
3975 SendToICS(ics_prefix);
3976 SendToICS("refresh\n");
3980 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3981 ics_clock_paused = TRUE;
3986 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3987 ics_clock_paused = FALSE;
3992 /* Grab player ratings from the Creating: message.
3993 Note we have to check for the special case when
3994 the ICS inserts things like [white] or [black]. */
3995 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3996 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3998 0 player 1 name (not necessarily white)
4000 2 empty, white, or black (IGNORED)
4001 3 player 2 name (not necessarily black)
4004 The names/ratings are sorted out when the game
4005 actually starts (below).
4007 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4008 player1Rating = string_to_rating(star_match[1]);
4009 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4010 player2Rating = string_to_rating(star_match[4]);
4012 if (appData.debugMode)
4014 "Ratings from 'Creating:' %s %d, %s %d\n",
4015 player1Name, player1Rating,
4016 player2Name, player2Rating);
4021 /* Improved generic start/end-of-game messages */
4022 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4023 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4024 /* If tkind == 0: */
4025 /* star_match[0] is the game number */
4026 /* [1] is the white player's name */
4027 /* [2] is the black player's name */
4028 /* For end-of-game: */
4029 /* [3] is the reason for the game end */
4030 /* [4] is a PGN end game-token, preceded by " " */
4031 /* For start-of-game: */
4032 /* [3] begins with "Creating" or "Continuing" */
4033 /* [4] is " *" or empty (don't care). */
4034 int gamenum = atoi(star_match[0]);
4035 char *whitename, *blackname, *why, *endtoken;
4036 ChessMove endtype = EndOfFile;
4039 whitename = star_match[1];
4040 blackname = star_match[2];
4041 why = star_match[3];
4042 endtoken = star_match[4];
4044 whitename = star_match[1];
4045 blackname = star_match[3];
4046 why = star_match[5];
4047 endtoken = star_match[6];
4050 /* Game start messages */
4051 if (strncmp(why, "Creating ", 9) == 0 ||
4052 strncmp(why, "Continuing ", 11) == 0) {
4053 gs_gamenum = gamenum;
4054 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4055 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4056 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4058 if (appData.zippyPlay) {
4059 ZippyGameStart(whitename, blackname);
4062 partnerBoardValid = FALSE; // [HGM] bughouse
4066 /* Game end messages */
4067 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4068 ics_gamenum != gamenum) {
4071 while (endtoken[0] == ' ') endtoken++;
4072 switch (endtoken[0]) {
4075 endtype = GameUnfinished;
4078 endtype = BlackWins;
4081 if (endtoken[1] == '/')
4082 endtype = GameIsDrawn;
4084 endtype = WhiteWins;
4087 GameEnds(endtype, why, GE_ICS);
4089 if (appData.zippyPlay && first.initDone) {
4090 ZippyGameEnd(endtype, why);
4091 if (first.pr == NoProc) {
4092 /* Start the next process early so that we'll
4093 be ready for the next challenge */
4094 StartChessProgram(&first);
4096 /* Send "new" early, in case this command takes
4097 a long time to finish, so that we'll be ready
4098 for the next challenge. */
4099 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4103 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4107 if (looking_at(buf, &i, "Removing game * from observation") ||
4108 looking_at(buf, &i, "no longer observing game *") ||
4109 looking_at(buf, &i, "Game * (*) has no examiners")) {
4110 if (gameMode == IcsObserving &&
4111 atoi(star_match[0]) == ics_gamenum)
4113 /* icsEngineAnalyze */
4114 if (appData.icsEngineAnalyze) {
4121 ics_user_moved = FALSE;
4126 if (looking_at(buf, &i, "no longer examining game *")) {
4127 if (gameMode == IcsExamining &&
4128 atoi(star_match[0]) == ics_gamenum)
4132 ics_user_moved = FALSE;
4137 /* Advance leftover_start past any newlines we find,
4138 so only partial lines can get reparsed */
4139 if (looking_at(buf, &i, "\n")) {
4140 prevColor = curColor;
4141 if (curColor != ColorNormal) {
4142 if (oldi > next_out) {
4143 SendToPlayer(&buf[next_out], oldi - next_out);
4146 Colorize(ColorNormal, FALSE);
4147 curColor = ColorNormal;
4149 if (started == STARTED_BOARD) {
4150 started = STARTED_NONE;
4151 parse[parse_pos] = NULLCHAR;
4152 ParseBoard12(parse);
4155 /* Send premove here */
4156 if (appData.premove) {
4158 if (currentMove == 0 &&
4159 gameMode == IcsPlayingWhite &&
4160 appData.premoveWhite) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (currentMove == 1 &&
4166 gameMode == IcsPlayingBlack &&
4167 appData.premoveBlack) {
4168 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4172 } else if (gotPremove) {
4173 int oldFMM = forwardMostMove;
4175 ClearPremoveHighlights();
4176 if (appData.debugMode)
4177 fprintf(debugFP, "Sending premove:\n");
4178 UserMoveEvent(premoveFromX, premoveFromY,
4179 premoveToX, premoveToY,
4181 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4182 if(moveList[oldFMM-1][1] != '@')
4183 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4184 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4186 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4191 /* Usually suppress following prompt */
4192 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4193 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4194 if (looking_at(buf, &i, "*% ")) {
4195 savingComment = FALSE;
4200 } else if (started == STARTED_HOLDINGS) {
4202 char new_piece[MSG_SIZ];
4203 started = STARTED_NONE;
4204 parse[parse_pos] = NULLCHAR;
4205 if (appData.debugMode)
4206 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4207 parse, currentMove);
4208 if (sscanf(parse, " game %d", &gamenum) == 1) {
4209 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4210 if (gameInfo.variant == VariantNormal) {
4211 /* [HGM] We seem to switch variant during a game!
4212 * Presumably no holdings were displayed, so we have
4213 * to move the position two files to the right to
4214 * create room for them!
4216 VariantClass newVariant;
4217 switch(gameInfo.boardWidth) { // base guess on board width
4218 case 9: newVariant = VariantShogi; break;
4219 case 10: newVariant = VariantGreat; break;
4220 default: newVariant = VariantCrazyhouse; break;
4222 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4223 /* Get a move list just to see the header, which
4224 will tell us whether this is really bug or zh */
4225 if (ics_getting_history == H_FALSE) {
4226 ics_getting_history = H_REQUESTED;
4227 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 new_piece[0] = NULLCHAR;
4232 sscanf(parse, "game %d white [%s black [%s <- %s",
4233 &gamenum, white_holding, black_holding,
4235 white_holding[strlen(white_holding)-1] = NULLCHAR;
4236 black_holding[strlen(black_holding)-1] = NULLCHAR;
4237 /* [HGM] copy holdings to board holdings area */
4238 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4239 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4240 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4242 if (appData.zippyPlay && first.initDone) {
4243 ZippyHoldings(white_holding, black_holding,
4247 if (tinyLayout || smallLayout) {
4248 char wh[16], bh[16];
4249 PackHolding(wh, white_holding);
4250 PackHolding(bh, black_holding);
4251 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4252 gameInfo.white, gameInfo.black);
4254 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4255 gameInfo.white, white_holding, _("vs."),
4256 gameInfo.black, black_holding);
4258 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4259 DrawPosition(FALSE, boards[currentMove]);
4261 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4262 sscanf(parse, "game %d white [%s black [%s <- %s",
4263 &gamenum, white_holding, black_holding,
4265 white_holding[strlen(white_holding)-1] = NULLCHAR;
4266 black_holding[strlen(black_holding)-1] = NULLCHAR;
4267 /* [HGM] copy holdings to partner-board holdings area */
4268 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4269 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4270 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4271 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4272 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4275 /* Suppress following prompt */
4276 if (looking_at(buf, &i, "*% ")) {
4277 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4278 savingComment = FALSE;
4286 i++; /* skip unparsed character and loop back */
4289 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4290 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4291 // SendToPlayer(&buf[next_out], i - next_out);
4292 started != STARTED_HOLDINGS && leftover_start > next_out) {
4293 SendToPlayer(&buf[next_out], leftover_start - next_out);
4297 leftover_len = buf_len - leftover_start;
4298 /* if buffer ends with something we couldn't parse,
4299 reparse it after appending the next read */
4301 } else if (count == 0) {
4302 RemoveInputSource(isr);
4303 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4305 DisplayFatalError(_("Error reading from ICS"), error, 1);
4310 /* Board style 12 looks like this:
4312 <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
4314 * The "<12> " is stripped before it gets to this routine. The two
4315 * trailing 0's (flip state and clock ticking) are later addition, and
4316 * some chess servers may not have them, or may have only the first.
4317 * Additional trailing fields may be added in the future.
4320 #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"
4322 #define RELATION_OBSERVING_PLAYED 0
4323 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4324 #define RELATION_PLAYING_MYMOVE 1
4325 #define RELATION_PLAYING_NOTMYMOVE -1
4326 #define RELATION_EXAMINING 2
4327 #define RELATION_ISOLATED_BOARD -3
4328 #define RELATION_STARTING_POSITION -4 /* FICS only */
4331 ParseBoard12 (char *string)
4335 char *bookHit = NULL; // [HGM] book
4337 GameMode newGameMode;
4338 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4339 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4340 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4341 char to_play, board_chars[200];
4342 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4343 char black[32], white[32];
4345 int prevMove = currentMove;
4348 int fromX, fromY, toX, toY;
4350 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4351 Boolean weird = FALSE, reqFlag = FALSE;
4353 fromX = fromY = toX = toY = -1;
4357 if (appData.debugMode)
4358 fprintf(debugFP, "Parsing board: %s\n", string);
4360 move_str[0] = NULLCHAR;
4361 elapsed_time[0] = NULLCHAR;
4362 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4364 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4365 if(string[i] == ' ') { ranks++; files = 0; }
4367 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4370 for(j = 0; j <i; j++) board_chars[j] = string[j];
4371 board_chars[i] = '\0';
4374 n = sscanf(string, PATTERN, &to_play, &double_push,
4375 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4376 &gamenum, white, black, &relation, &basetime, &increment,
4377 &white_stren, &black_stren, &white_time, &black_time,
4378 &moveNum, str, elapsed_time, move_str, &ics_flip,
4382 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4383 DisplayError(str, 0);
4387 /* Convert the move number to internal form */
4388 moveNum = (moveNum - 1) * 2;
4389 if (to_play == 'B') moveNum++;
4390 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4391 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4397 case RELATION_OBSERVING_PLAYED:
4398 case RELATION_OBSERVING_STATIC:
4399 if (gamenum == -1) {
4400 /* Old ICC buglet */
4401 relation = RELATION_OBSERVING_STATIC;
4403 newGameMode = IcsObserving;
4405 case RELATION_PLAYING_MYMOVE:
4406 case RELATION_PLAYING_NOTMYMOVE:
4408 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4409 IcsPlayingWhite : IcsPlayingBlack;
4410 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4412 case RELATION_EXAMINING:
4413 newGameMode = IcsExamining;
4415 case RELATION_ISOLATED_BOARD:
4417 /* Just display this board. If user was doing something else,
4418 we will forget about it until the next board comes. */
4419 newGameMode = IcsIdle;
4421 case RELATION_STARTING_POSITION:
4422 newGameMode = gameMode;
4426 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4427 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4428 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4429 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4430 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4431 static int lastBgGame = -1;
4433 for (k = 0; k < ranks; k++) {
4434 for (j = 0; j < files; j++)
4435 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4436 if(gameInfo.holdingsWidth > 1) {
4437 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4438 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4441 CopyBoard(partnerBoard, board);
4442 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4443 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4444 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4445 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4446 if(toSqr = strchr(str, '-')) {
4447 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4448 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4449 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4450 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4451 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4452 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4454 DisplayWhiteClock(white_time*fac, to_play == 'W');
4455 DisplayBlackClock(black_time*fac, to_play != 'W');
4456 activePartner = to_play;
4457 if(gamenum != lastBgGame) {
4459 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4462 lastBgGame = gamenum;
4463 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4464 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4465 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4466 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4467 if(!twoBoards) DisplayMessage(partnerStatus, "");
4468 partnerBoardValid = TRUE;
4472 if(appData.dualBoard && appData.bgObserve) {
4473 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4474 SendToICS(ics_prefix), SendToICS("pobserve\n");
4475 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4477 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4482 /* Modify behavior for initial board display on move listing
4485 switch (ics_getting_history) {
4489 case H_GOT_REQ_HEADER:
4490 case H_GOT_UNREQ_HEADER:
4491 /* This is the initial position of the current game */
4492 gamenum = ics_gamenum;
4493 moveNum = 0; /* old ICS bug workaround */
4494 if (to_play == 'B') {
4495 startedFromSetupPosition = TRUE;
4496 blackPlaysFirst = TRUE;
4498 if (forwardMostMove == 0) forwardMostMove = 1;
4499 if (backwardMostMove == 0) backwardMostMove = 1;
4500 if (currentMove == 0) currentMove = 1;
4502 newGameMode = gameMode;
4503 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4505 case H_GOT_UNWANTED_HEADER:
4506 /* This is an initial board that we don't want */
4508 case H_GETTING_MOVES:
4509 /* Should not happen */
4510 DisplayError(_("Error gathering move list: extra board"), 0);
4511 ics_getting_history = H_FALSE;
4515 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4516 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4517 weird && (int)gameInfo.variant < (int)VariantShogi) {
4518 /* [HGM] We seem to have switched variant unexpectedly
4519 * Try to guess new variant from board size
4521 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4522 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4523 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4524 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4525 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4526 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4527 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4528 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4529 /* Get a move list just to see the header, which
4530 will tell us whether this is really bug or zh */
4531 if (ics_getting_history == H_FALSE) {
4532 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4533 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4538 /* Take action if this is the first board of a new game, or of a
4539 different game than is currently being displayed. */
4540 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4541 relation == RELATION_ISOLATED_BOARD) {
4543 /* Forget the old game and get the history (if any) of the new one */
4544 if (gameMode != BeginningOfGame) {
4548 if (appData.autoRaiseBoard) BoardToTop();
4550 if (gamenum == -1) {
4551 newGameMode = IcsIdle;
4552 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4553 appData.getMoveList && !reqFlag) {
4554 /* Need to get game history */
4555 ics_getting_history = H_REQUESTED;
4556 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4560 /* Initially flip the board to have black on the bottom if playing
4561 black or if the ICS flip flag is set, but let the user change
4562 it with the Flip View button. */
4563 flipView = appData.autoFlipView ?
4564 (newGameMode == IcsPlayingBlack) || ics_flip :
4567 /* Done with values from previous mode; copy in new ones */
4568 gameMode = newGameMode;
4570 ics_gamenum = gamenum;
4571 if (gamenum == gs_gamenum) {
4572 int klen = strlen(gs_kind);
4573 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4574 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4575 gameInfo.event = StrSave(str);
4577 gameInfo.event = StrSave("ICS game");
4579 gameInfo.site = StrSave(appData.icsHost);
4580 gameInfo.date = PGNDate();
4581 gameInfo.round = StrSave("-");
4582 gameInfo.white = StrSave(white);
4583 gameInfo.black = StrSave(black);
4584 timeControl = basetime * 60 * 1000;
4586 timeIncrement = increment * 1000;
4587 movesPerSession = 0;
4588 gameInfo.timeControl = TimeControlTagValue();
4589 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4590 if (appData.debugMode) {
4591 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4592 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4593 setbuf(debugFP, NULL);
4596 gameInfo.outOfBook = NULL;
4598 /* Do we have the ratings? */
4599 if (strcmp(player1Name, white) == 0 &&
4600 strcmp(player2Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player1Rating, player2Rating);
4604 gameInfo.whiteRating = player1Rating;
4605 gameInfo.blackRating = player2Rating;
4606 } else if (strcmp(player2Name, white) == 0 &&
4607 strcmp(player1Name, black) == 0) {
4608 if (appData.debugMode)
4609 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4610 player2Rating, player1Rating);
4611 gameInfo.whiteRating = player2Rating;
4612 gameInfo.blackRating = player1Rating;
4614 player1Name[0] = player2Name[0] = NULLCHAR;
4616 /* Silence shouts if requested */
4617 if (appData.quietPlay &&
4618 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4619 SendToICS(ics_prefix);
4620 SendToICS("set shout 0\n");
4624 /* Deal with midgame name changes */
4626 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4627 if (gameInfo.white) free(gameInfo.white);
4628 gameInfo.white = StrSave(white);
4630 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4631 if (gameInfo.black) free(gameInfo.black);
4632 gameInfo.black = StrSave(black);
4636 /* Throw away game result if anything actually changes in examine mode */
4637 if (gameMode == IcsExamining && !newGame) {
4638 gameInfo.result = GameUnfinished;
4639 if (gameInfo.resultDetails != NULL) {
4640 free(gameInfo.resultDetails);
4641 gameInfo.resultDetails = NULL;
4645 /* In pausing && IcsExamining mode, we ignore boards coming
4646 in if they are in a different variation than we are. */
4647 if (pauseExamInvalid) return;
4648 if (pausing && gameMode == IcsExamining) {
4649 if (moveNum <= pauseExamForwardMostMove) {
4650 pauseExamInvalid = TRUE;
4651 forwardMostMove = pauseExamForwardMostMove;
4656 if (appData.debugMode) {
4657 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4659 /* Parse the board */
4660 for (k = 0; k < ranks; k++) {
4661 for (j = 0; j < files; j++)
4662 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4663 if(gameInfo.holdingsWidth > 1) {
4664 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4665 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4668 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4669 board[5][BOARD_RGHT+1] = WhiteAngel;
4670 board[6][BOARD_RGHT+1] = WhiteMarshall;
4671 board[1][0] = BlackMarshall;
4672 board[2][0] = BlackAngel;
4673 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4675 CopyBoard(boards[moveNum], board);
4676 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4678 startedFromSetupPosition =
4679 !CompareBoards(board, initialPosition);
4680 if(startedFromSetupPosition)
4681 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4684 /* [HGM] Set castling rights. Take the outermost Rooks,
4685 to make it also work for FRC opening positions. Note that board12
4686 is really defective for later FRC positions, as it has no way to
4687 indicate which Rook can castle if they are on the same side of King.
4688 For the initial position we grant rights to the outermost Rooks,
4689 and remember thos rights, and we then copy them on positions
4690 later in an FRC game. This means WB might not recognize castlings with
4691 Rooks that have moved back to their original position as illegal,
4692 but in ICS mode that is not its job anyway.
4694 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4695 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4697 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4698 if(board[0][i] == WhiteRook) j = i;
4699 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4700 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4701 if(board[0][i] == WhiteRook) j = i;
4702 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4704 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4705 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4706 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4707 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4708 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4710 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4711 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4712 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4713 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4714 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4715 if(board[BOARD_HEIGHT-1][k] == bKing)
4716 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4717 if(gameInfo.variant == VariantTwoKings) {
4718 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4719 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4720 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4723 r = boards[moveNum][CASTLING][0] = initialRights[0];
4724 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4725 r = boards[moveNum][CASTLING][1] = initialRights[1];
4726 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4727 r = boards[moveNum][CASTLING][3] = initialRights[3];
4728 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4729 r = boards[moveNum][CASTLING][4] = initialRights[4];
4730 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4731 /* wildcastle kludge: always assume King has rights */
4732 r = boards[moveNum][CASTLING][2] = initialRights[2];
4733 r = boards[moveNum][CASTLING][5] = initialRights[5];
4735 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4736 boards[moveNum][EP_STATUS] = EP_NONE;
4737 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4738 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4739 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4742 if (ics_getting_history == H_GOT_REQ_HEADER ||
4743 ics_getting_history == H_GOT_UNREQ_HEADER) {
4744 /* This was an initial position from a move list, not
4745 the current position */
4749 /* Update currentMove and known move number limits */
4750 newMove = newGame || moveNum > forwardMostMove;
4753 forwardMostMove = backwardMostMove = currentMove = moveNum;
4754 if (gameMode == IcsExamining && moveNum == 0) {
4755 /* Workaround for ICS limitation: we are not told the wild
4756 type when starting to examine a game. But if we ask for
4757 the move list, the move list header will tell us */
4758 ics_getting_history = H_REQUESTED;
4759 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4762 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4763 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4765 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4766 /* [HGM] applied this also to an engine that is silently watching */
4767 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4768 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4769 gameInfo.variant == currentlyInitializedVariant) {
4770 takeback = forwardMostMove - moveNum;
4771 for (i = 0; i < takeback; i++) {
4772 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4773 SendToProgram("undo\n", &first);
4778 forwardMostMove = moveNum;
4779 if (!pausing || currentMove > forwardMostMove)
4780 currentMove = forwardMostMove;
4782 /* New part of history that is not contiguous with old part */
4783 if (pausing && gameMode == IcsExamining) {
4784 pauseExamInvalid = TRUE;
4785 forwardMostMove = pauseExamForwardMostMove;
4788 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4790 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4791 // [HGM] when we will receive the move list we now request, it will be
4792 // fed to the engine from the first move on. So if the engine is not
4793 // in the initial position now, bring it there.
4794 InitChessProgram(&first, 0);
4797 ics_getting_history = H_REQUESTED;
4798 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4801 forwardMostMove = backwardMostMove = currentMove = moveNum;
4804 /* Update the clocks */
4805 if (strchr(elapsed_time, '.')) {
4807 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4808 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4810 /* Time is in seconds */
4811 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4812 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4817 if (appData.zippyPlay && newGame &&
4818 gameMode != IcsObserving && gameMode != IcsIdle &&
4819 gameMode != IcsExamining)
4820 ZippyFirstBoard(moveNum, basetime, increment);
4823 /* Put the move on the move list, first converting
4824 to canonical algebraic form. */
4826 if (appData.debugMode) {
4827 int f = forwardMostMove;
4828 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4829 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4830 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4831 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4832 fprintf(debugFP, "moveNum = %d\n", moveNum);
4833 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4834 setbuf(debugFP, NULL);
4836 if (moveNum <= backwardMostMove) {
4837 /* We don't know what the board looked like before
4839 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4840 strcat(parseList[moveNum - 1], " ");
4841 strcat(parseList[moveNum - 1], elapsed_time);
4842 moveList[moveNum - 1][0] = NULLCHAR;
4843 } else if (strcmp(move_str, "none") == 0) {
4844 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4845 /* Again, we don't know what the board looked like;
4846 this is really the start of the game. */
4847 parseList[moveNum - 1][0] = NULLCHAR;
4848 moveList[moveNum - 1][0] = NULLCHAR;
4849 backwardMostMove = moveNum;
4850 startedFromSetupPosition = TRUE;
4851 fromX = fromY = toX = toY = -1;
4853 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4854 // So we parse the long-algebraic move string in stead of the SAN move
4855 int valid; char buf[MSG_SIZ], *prom;
4857 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4858 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4859 // str looks something like "Q/a1-a2"; kill the slash
4861 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4862 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4863 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4864 strcat(buf, prom); // long move lacks promo specification!
4865 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4866 if(appData.debugMode)
4867 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4868 safeStrCpy(move_str, buf, MSG_SIZ);
4870 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4871 &fromX, &fromY, &toX, &toY, &promoChar)
4872 || ParseOneMove(buf, moveNum - 1, &moveType,
4873 &fromX, &fromY, &toX, &toY, &promoChar);
4874 // end of long SAN patch
4876 (void) CoordsToAlgebraic(boards[moveNum - 1],
4877 PosFlags(moveNum - 1),
4878 fromY, fromX, toY, toX, promoChar,
4879 parseList[moveNum-1]);
4880 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4886 if(!IS_SHOGI(gameInfo.variant))
4887 strcat(parseList[moveNum - 1], "+");
4890 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4891 strcat(parseList[moveNum - 1], "#");
4894 strcat(parseList[moveNum - 1], " ");
4895 strcat(parseList[moveNum - 1], elapsed_time);
4896 /* currentMoveString is set as a side-effect of ParseOneMove */
4897 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4898 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4899 strcat(moveList[moveNum - 1], "\n");
4901 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4902 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4903 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4904 ChessSquare old, new = boards[moveNum][k][j];
4905 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4906 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4907 if(old == new) continue;
4908 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4909 else if(new == WhiteWazir || new == BlackWazir) {
4910 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4911 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4912 else boards[moveNum][k][j] = old; // preserve type of Gold
4913 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4914 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4917 /* Move from ICS was illegal!? Punt. */
4918 if (appData.debugMode) {
4919 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4920 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4922 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4923 strcat(parseList[moveNum - 1], " ");
4924 strcat(parseList[moveNum - 1], elapsed_time);
4925 moveList[moveNum - 1][0] = NULLCHAR;
4926 fromX = fromY = toX = toY = -1;
4929 if (appData.debugMode) {
4930 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4931 setbuf(debugFP, NULL);
4935 /* Send move to chess program (BEFORE animating it). */
4936 if (appData.zippyPlay && !newGame && newMove &&
4937 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4939 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4940 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4941 if (moveList[moveNum - 1][0] == NULLCHAR) {
4942 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4944 DisplayError(str, 0);
4946 if (first.sendTime) {
4947 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4949 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4950 if (firstMove && !bookHit) {
4952 if (first.useColors) {
4953 SendToProgram(gameMode == IcsPlayingWhite ?
4955 "black\ngo\n", &first);
4957 SendToProgram("go\n", &first);
4959 first.maybeThinking = TRUE;
4962 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4963 if (moveList[moveNum - 1][0] == NULLCHAR) {
4964 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4965 DisplayError(str, 0);
4967 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4968 SendMoveToProgram(moveNum - 1, &first);
4975 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4976 /* If move comes from a remote source, animate it. If it
4977 isn't remote, it will have already been animated. */
4978 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4979 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4981 if (!pausing && appData.highlightLastMove) {
4982 SetHighlights(fromX, fromY, toX, toY);
4986 /* Start the clocks */
4987 whiteFlag = blackFlag = FALSE;
4988 appData.clockMode = !(basetime == 0 && increment == 0);
4990 ics_clock_paused = TRUE;
4992 } else if (ticking == 1) {
4993 ics_clock_paused = FALSE;
4995 if (gameMode == IcsIdle ||
4996 relation == RELATION_OBSERVING_STATIC ||
4997 relation == RELATION_EXAMINING ||
4999 DisplayBothClocks();
5003 /* Display opponents and material strengths */
5004 if (gameInfo.variant != VariantBughouse &&
5005 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5006 if (tinyLayout || smallLayout) {
5007 if(gameInfo.variant == VariantNormal)
5008 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5009 gameInfo.white, white_stren, gameInfo.black, black_stren,
5010 basetime, increment);
5012 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5013 gameInfo.white, white_stren, gameInfo.black, black_stren,
5014 basetime, increment, (int) gameInfo.variant);
5016 if(gameInfo.variant == VariantNormal)
5017 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5018 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5019 basetime, increment);
5021 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5022 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5023 basetime, increment, VariantName(gameInfo.variant));
5026 if (appData.debugMode) {
5027 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5032 /* Display the board */
5033 if (!pausing && !appData.noGUI) {
5035 if (appData.premove)
5037 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5038 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5039 ClearPremoveHighlights();
5041 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5042 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5043 DrawPosition(j, boards[currentMove]);
5045 DisplayMove(moveNum - 1);
5046 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5047 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5048 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5049 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5053 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5055 if(bookHit) { // [HGM] book: simulate book reply
5056 static char bookMove[MSG_SIZ]; // a bit generous?
5058 programStats.nodes = programStats.depth = programStats.time =
5059 programStats.score = programStats.got_only_move = 0;
5060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5062 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5063 strcat(bookMove, bookHit);
5064 HandleMachineMove(bookMove, &first);
5073 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5074 ics_getting_history = H_REQUESTED;
5075 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5081 SendToBoth (char *msg)
5082 { // to make it easy to keep two engines in step in dual analysis
5083 SendToProgram(msg, &first);
5084 if(second.analyzing) SendToProgram(msg, &second);
5088 AnalysisPeriodicEvent (int force)
5090 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5091 && !force) || !appData.periodicUpdates)
5094 /* Send . command to Crafty to collect stats */
5097 /* Don't send another until we get a response (this makes
5098 us stop sending to old Crafty's which don't understand
5099 the "." command (sending illegal cmds resets node count & time,
5100 which looks bad)) */
5101 programStats.ok_to_send = 0;
5105 ics_update_width (int new_width)
5107 ics_printf("set width %d\n", new_width);
5111 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5115 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5116 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5117 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5118 SendToProgram(buf, cps);
5121 // null move in variant where engine does not understand it (for analysis purposes)
5122 SendBoard(cps, moveNum + 1); // send position after move in stead.
5125 if (cps->useUsermove) {
5126 SendToProgram("usermove ", cps);
5130 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5131 int len = space - parseList[moveNum];
5132 memcpy(buf, parseList[moveNum], len);
5134 buf[len] = NULLCHAR;
5136 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5138 SendToProgram(buf, cps);
5140 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5141 AlphaRank(moveList[moveNum], 4);
5142 SendToProgram(moveList[moveNum], cps);
5143 AlphaRank(moveList[moveNum], 4); // and back
5145 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5146 * the engine. It would be nice to have a better way to identify castle
5148 if(appData.fischerCastling && cps->useOOCastle) {
5149 int fromX = moveList[moveNum][0] - AAA;
5150 int fromY = moveList[moveNum][1] - ONE;
5151 int toX = moveList[moveNum][2] - AAA;
5152 int toY = moveList[moveNum][3] - ONE;
5153 if((boards[moveNum][fromY][fromX] == WhiteKing
5154 && boards[moveNum][toY][toX] == WhiteRook)
5155 || (boards[moveNum][fromY][fromX] == BlackKing
5156 && boards[moveNum][toY][toX] == BlackRook)) {
5157 if(toX > fromX) SendToProgram("O-O\n", cps);
5158 else SendToProgram("O-O-O\n", cps);
5160 else SendToProgram(moveList[moveNum], cps);
5162 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5163 char *m = moveList[moveNum];
5165 *c = m[7]; // promoChar
5166 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
5167 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5170 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5171 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5173 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
5178 m[2], m[3] - '0', c);
5180 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5183 m[2], m[3] - '0', c);
5184 SendToProgram(buf, cps);
5186 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5187 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5188 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5189 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5190 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5192 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5193 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5194 SendToProgram(buf, cps);
5196 else SendToProgram(moveList[moveNum], cps);
5197 /* End of additions by Tord */
5200 /* [HGM] setting up the opening has brought engine in force mode! */
5201 /* Send 'go' if we are in a mode where machine should play. */
5202 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5203 (gameMode == TwoMachinesPlay ||
5205 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5207 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5208 SendToProgram("go\n", cps);
5209 if (appData.debugMode) {
5210 fprintf(debugFP, "(extra)\n");
5213 setboardSpoiledMachineBlack = 0;
5217 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5219 char user_move[MSG_SIZ];
5222 if(gameInfo.variant == VariantSChess && promoChar) {
5223 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5224 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5225 } else suffix[0] = NULLCHAR;
5229 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5230 (int)moveType, fromX, fromY, toX, toY);
5231 DisplayError(user_move + strlen("say "), 0);
5233 case WhiteKingSideCastle:
5234 case BlackKingSideCastle:
5235 case WhiteQueenSideCastleWild:
5236 case BlackQueenSideCastleWild:
5238 case WhiteHSideCastleFR:
5239 case BlackHSideCastleFR:
5241 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5243 case WhiteQueenSideCastle:
5244 case BlackQueenSideCastle:
5245 case WhiteKingSideCastleWild:
5246 case BlackKingSideCastleWild:
5248 case WhiteASideCastleFR:
5249 case BlackASideCastleFR:
5251 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5253 case WhiteNonPromotion:
5254 case BlackNonPromotion:
5255 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5257 case WhitePromotion:
5258 case BlackPromotion:
5259 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5260 gameInfo.variant == VariantMakruk)
5261 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5262 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5263 PieceToChar(WhiteFerz));
5264 else if(gameInfo.variant == VariantGreat)
5265 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5266 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5267 PieceToChar(WhiteMan));
5269 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5270 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5276 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5277 ToUpper(PieceToChar((ChessSquare) fromX)),
5278 AAA + toX, ONE + toY);
5280 case IllegalMove: /* could be a variant we don't quite understand */
5281 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5283 case WhiteCapturesEnPassant:
5284 case BlackCapturesEnPassant:
5285 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5286 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5289 SendToICS(user_move);
5290 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5291 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5296 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5297 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5298 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5299 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5300 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5303 if(gameMode != IcsExamining) { // is this ever not the case?
5304 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5306 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5307 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5308 } else { // on FICS we must first go to general examine mode
5309 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5311 if(gameInfo.variant != VariantNormal) {
5312 // try figure out wild number, as xboard names are not always valid on ICS
5313 for(i=1; i<=36; i++) {
5314 snprintf(buf, MSG_SIZ, "wild/%d", i);
5315 if(StringToVariant(buf) == gameInfo.variant) break;
5317 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5318 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5319 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5320 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5321 SendToICS(ics_prefix);
5323 if(startedFromSetupPosition || backwardMostMove != 0) {
5324 fen = PositionToFEN(backwardMostMove, NULL, 1);
5325 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5326 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5328 } else { // FICS: everything has to set by separate bsetup commands
5329 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5330 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5332 if(!WhiteOnMove(backwardMostMove)) {
5333 SendToICS("bsetup tomove black\n");
5335 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5336 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5338 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5339 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5341 i = boards[backwardMostMove][EP_STATUS];
5342 if(i >= 0) { // set e.p.
5343 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5349 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5350 SendToICS("bsetup done\n"); // switch to normal examining.
5352 for(i = backwardMostMove; i<last; i++) {
5354 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5355 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5356 int len = strlen(moveList[i]);
5357 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5358 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5362 SendToICS(ics_prefix);
5363 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5366 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5370 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5372 if (rf == DROP_RANK) {
5373 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5374 sprintf(move, "%c@%c%c\n",
5375 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5377 if (promoChar == 'x' || promoChar == NULLCHAR) {
5378 sprintf(move, "%c%c%c%c\n",
5379 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5380 if(killX >= 0 && killY >= 0) {
5381 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5382 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5385 sprintf(move, "%c%c%c%c%c\n",
5386 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5387 if(killX >= 0 && killY >= 0) {
5388 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5389 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5396 ProcessICSInitScript (FILE *f)
5400 while (fgets(buf, MSG_SIZ, f)) {
5401 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5408 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5410 static ClickType lastClickType;
5413 PieceInString (char *s, ChessSquare piece)
5415 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5416 while((p = strchr(s, ID))) {
5417 if(!suffix || p[1] == suffix) return TRUE;
5424 Partner (ChessSquare *p)
5425 { // change piece into promotion partner if one shogi-promotes to the other
5426 ChessSquare partner = promoPartner[*p];
5427 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5428 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5436 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5437 static int toggleFlag;
5438 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5439 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5440 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5441 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5442 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5443 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5445 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5446 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5447 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5448 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5449 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5450 if(!step) step = -1;
5451 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5452 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5453 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5454 promoSweep == pawn ||
5455 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5456 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5458 int victim = boards[currentMove][toY][toX];
5459 boards[currentMove][toY][toX] = promoSweep;
5460 DrawPosition(FALSE, boards[currentMove]);
5461 boards[currentMove][toY][toX] = victim;
5463 ChangeDragPiece(promoSweep);
5467 PromoScroll (int x, int y)
5471 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5472 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5473 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5474 if(!step) return FALSE;
5475 lastX = x; lastY = y;
5476 if((promoSweep < BlackPawn) == flipView) step = -step;
5477 if(step > 0) selectFlag = 1;
5478 if(!selectFlag) Sweep(step);
5483 NextPiece (int step)
5485 ChessSquare piece = boards[currentMove][toY][toX];
5488 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5489 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5490 if(!step) step = -1;
5491 } while(PieceToChar(pieceSweep) == '.');
5492 boards[currentMove][toY][toX] = pieceSweep;
5493 DrawPosition(FALSE, boards[currentMove]);
5494 boards[currentMove][toY][toX] = piece;
5496 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5498 AlphaRank (char *move, int n)
5500 // char *p = move, c; int x, y;
5502 if (appData.debugMode) {
5503 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5507 move[2]>='0' && move[2]<='9' &&
5508 move[3]>='a' && move[3]<='x' ) {
5510 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5511 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5513 if(move[0]>='0' && move[0]<='9' &&
5514 move[1]>='a' && move[1]<='x' &&
5515 move[2]>='0' && move[2]<='9' &&
5516 move[3]>='a' && move[3]<='x' ) {
5517 /* input move, Shogi -> normal */
5518 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5519 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5520 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5521 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5524 move[3]>='0' && move[3]<='9' &&
5525 move[2]>='a' && move[2]<='x' ) {
5527 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5528 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5531 move[0]>='a' && move[0]<='x' &&
5532 move[3]>='0' && move[3]<='9' &&
5533 move[2]>='a' && move[2]<='x' ) {
5534 /* output move, normal -> Shogi */
5535 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5536 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5537 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5538 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5539 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5541 if (appData.debugMode) {
5542 fprintf(debugFP, " out = '%s'\n", move);
5546 char yy_textstr[8000];
5548 /* Parser for moves from gnuchess, ICS, or user typein box */
5550 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5552 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5554 switch (*moveType) {
5555 case WhitePromotion:
5556 case BlackPromotion:
5557 case WhiteNonPromotion:
5558 case BlackNonPromotion:
5561 case WhiteCapturesEnPassant:
5562 case BlackCapturesEnPassant:
5563 case WhiteKingSideCastle:
5564 case WhiteQueenSideCastle:
5565 case BlackKingSideCastle:
5566 case BlackQueenSideCastle:
5567 case WhiteKingSideCastleWild:
5568 case WhiteQueenSideCastleWild:
5569 case BlackKingSideCastleWild:
5570 case BlackQueenSideCastleWild:
5571 /* Code added by Tord: */
5572 case WhiteHSideCastleFR:
5573 case WhiteASideCastleFR:
5574 case BlackHSideCastleFR:
5575 case BlackASideCastleFR:
5576 /* End of code added by Tord */
5577 case IllegalMove: /* bug or odd chess variant */
5578 if(currentMoveString[1] == '@') { // illegal drop
5579 *fromX = WhiteOnMove(moveNum) ?
5580 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5581 (int) CharToPiece(ToLower(currentMoveString[0]));
5584 *fromX = currentMoveString[0] - AAA;
5585 *fromY = currentMoveString[1] - ONE;
5586 *toX = currentMoveString[2] - AAA;
5587 *toY = currentMoveString[3] - ONE;
5588 *promoChar = currentMoveString[4];
5589 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5590 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5591 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5592 if (appData.debugMode) {
5593 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5595 *fromX = *fromY = *toX = *toY = 0;
5598 if (appData.testLegality) {
5599 return (*moveType != IllegalMove);
5601 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5602 // [HGM] lion: if this is a double move we are less critical
5603 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5608 *fromX = *moveType == WhiteDrop ?
5609 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5610 (int) CharToPiece(ToLower(currentMoveString[0]));
5613 *toX = currentMoveString[2] - AAA;
5614 *toY = currentMoveString[3] - ONE;
5615 *promoChar = NULLCHAR;
5619 case ImpossibleMove:
5629 if (appData.debugMode) {
5630 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5633 *fromX = *fromY = *toX = *toY = 0;
5634 *promoChar = NULLCHAR;
5639 Boolean pushed = FALSE;
5640 char *lastParseAttempt;
5643 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5644 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5645 int fromX, fromY, toX, toY; char promoChar;
5650 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5651 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5652 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5655 endPV = forwardMostMove;
5657 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5658 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5659 lastParseAttempt = pv;
5660 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5661 if(!valid && nr == 0 &&
5662 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5663 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5664 // Hande case where played move is different from leading PV move
5665 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5666 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5667 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5668 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5669 endPV += 2; // if position different, keep this
5670 moveList[endPV-1][0] = fromX + AAA;
5671 moveList[endPV-1][1] = fromY + ONE;
5672 moveList[endPV-1][2] = toX + AAA;
5673 moveList[endPV-1][3] = toY + ONE;
5674 parseList[endPV-1][0] = NULLCHAR;
5675 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5678 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5679 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5680 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5681 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5682 valid++; // allow comments in PV
5686 if(endPV+1 > framePtr) break; // no space, truncate
5689 CopyBoard(boards[endPV], boards[endPV-1]);
5690 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5691 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5692 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5693 CoordsToAlgebraic(boards[endPV - 1],
5694 PosFlags(endPV - 1),
5695 fromY, fromX, toY, toX, promoChar,
5696 parseList[endPV - 1]);
5698 if(atEnd == 2) return; // used hidden, for PV conversion
5699 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5700 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5701 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5702 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5703 DrawPosition(TRUE, boards[currentMove]);
5707 MultiPV (ChessProgramState *cps, int kind)
5708 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5710 for(i=0; i<cps->nrOptions; i++) {
5711 char *s = cps->option[i].name;
5712 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5713 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5714 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5719 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5720 static int multi, pv_margin;
5721 static ChessProgramState *activeCps;
5724 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5726 int startPV, lineStart, origIndex = index;
5727 char *p, buf2[MSG_SIZ];
5728 ChessProgramState *cps = (pane ? &second : &first);
5730 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5731 lastX = x; lastY = y;
5732 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5733 lineStart = startPV = index;
5734 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5735 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5737 do{ while(buf[index] && buf[index] != '\n') index++;
5738 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5740 if(lineStart == 0 && gameMode == AnalyzeMode) {
5742 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5743 if(n == 0) { // click not on "fewer" or "more"
5744 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5745 pv_margin = cps->option[multi].value;
5746 activeCps = cps; // non-null signals margin adjustment
5748 } else if((multi = MultiPV(cps, 1)) >= 0) {
5749 n += cps->option[multi].value; if(n < 1) n = 1;
5750 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5751 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5752 cps->option[multi].value = n;
5756 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5757 ExcludeClick(origIndex - lineStart);
5759 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5760 Collapse(origIndex - lineStart);
5763 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5764 *start = startPV; *end = index-1;
5765 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5772 static char buf[10*MSG_SIZ];
5773 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5775 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5776 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5777 for(i = forwardMostMove; i<endPV; i++){
5778 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5779 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5782 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5783 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5784 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5790 LoadPV (int x, int y)
5791 { // called on right mouse click to load PV
5792 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5793 lastX = x; lastY = y;
5794 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5802 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5804 if(pv_margin != activeCps->option[multi].value) {
5806 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5807 SendToProgram(buf, activeCps);
5808 activeCps->option[multi].value = pv_margin;
5813 if(endPV < 0) return;
5814 if(appData.autoCopyPV) CopyFENToClipboard();
5816 if(extendGame && currentMove > forwardMostMove) {
5817 Boolean saveAnimate = appData.animate;
5819 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5820 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5821 } else storedGames--; // abandon shelved tail of original game
5824 forwardMostMove = currentMove;
5825 currentMove = oldFMM;
5826 appData.animate = FALSE;
5827 ToNrEvent(forwardMostMove);
5828 appData.animate = saveAnimate;
5830 currentMove = forwardMostMove;
5831 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5832 ClearPremoveHighlights();
5833 DrawPosition(TRUE, boards[currentMove]);
5837 MovePV (int x, int y, int h)
5838 { // step through PV based on mouse coordinates (called on mouse move)
5839 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5841 if(activeCps) { // adjusting engine's multi-pv margin
5842 if(x > lastX) pv_margin++; else
5843 if(x < lastX) pv_margin -= (pv_margin > 0);
5846 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5847 DisplayMessage(buf, "");
5852 // we must somehow check if right button is still down (might be released off board!)
5853 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5854 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5855 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5857 lastX = x; lastY = y;
5859 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5860 if(endPV < 0) return;
5861 if(y < margin) step = 1; else
5862 if(y > h - margin) step = -1;
5863 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5864 currentMove += step;
5865 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5866 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5867 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5868 DrawPosition(FALSE, boards[currentMove]);
5872 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5873 // All positions will have equal probability, but the current method will not provide a unique
5874 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5880 int piecesLeft[(int)BlackPawn];
5881 int seed, nrOfShuffles;
5884 GetPositionNumber ()
5885 { // sets global variable seed
5888 seed = appData.defaultFrcPosition;
5889 if(seed < 0) { // randomize based on time for negative FRC position numbers
5890 for(i=0; i<50; i++) seed += random();
5891 seed = random() ^ random() >> 8 ^ random() << 8;
5892 if(seed<0) seed = -seed;
5897 put (Board board, int pieceType, int rank, int n, int shade)
5898 // put the piece on the (n-1)-th empty squares of the given shade
5902 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5903 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5904 board[rank][i] = (ChessSquare) pieceType;
5905 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5907 piecesLeft[pieceType]--;
5916 AddOnePiece (Board board, int pieceType, int rank, int shade)
5917 // calculate where the next piece goes, (any empty square), and put it there
5921 i = seed % squaresLeft[shade];
5922 nrOfShuffles *= squaresLeft[shade];
5923 seed /= squaresLeft[shade];
5924 put(board, pieceType, rank, i, shade);
5928 AddTwoPieces (Board board, int pieceType, int rank)
5929 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5931 int i, n=squaresLeft[ANY], j=n-1, k;
5933 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5934 i = seed % k; // pick one
5937 while(i >= j) i -= j--;
5938 j = n - 1 - j; i += j;
5939 put(board, pieceType, rank, j, ANY);
5940 put(board, pieceType, rank, i, ANY);
5944 SetUpShuffle (Board board, int number)
5948 GetPositionNumber(); nrOfShuffles = 1;
5950 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5951 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5952 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5954 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5956 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5957 p = (int) board[0][i];
5958 if(p < (int) BlackPawn) piecesLeft[p] ++;
5959 board[0][i] = EmptySquare;
5962 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5963 // shuffles restricted to allow normal castling put KRR first
5964 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5965 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5966 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5967 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5968 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5969 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5970 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5971 put(board, WhiteRook, 0, 0, ANY);
5972 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5975 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5976 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5977 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5978 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5979 while(piecesLeft[p] >= 2) {
5980 AddOnePiece(board, p, 0, LITE);
5981 AddOnePiece(board, p, 0, DARK);
5983 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5986 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5987 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5988 // but we leave King and Rooks for last, to possibly obey FRC restriction
5989 if(p == (int)WhiteRook) continue;
5990 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5991 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5994 // now everything is placed, except perhaps King (Unicorn) and Rooks
5996 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5997 // Last King gets castling rights
5998 while(piecesLeft[(int)WhiteUnicorn]) {
5999 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6000 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6003 while(piecesLeft[(int)WhiteKing]) {
6004 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6005 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6010 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6011 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6014 // Only Rooks can be left; simply place them all
6015 while(piecesLeft[(int)WhiteRook]) {
6016 i = put(board, WhiteRook, 0, 0, ANY);
6017 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6020 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6022 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6025 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6026 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6029 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6033 ptclen (const char *s, char *escapes)
6036 if(!*escapes) return strlen(s);
6037 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6042 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6043 /* [HGM] moved here from winboard.c because of its general usefulness */
6044 /* Basically a safe strcpy that uses the last character as King */
6046 int result = FALSE; int NrPieces;
6047 unsigned char partner[EmptySquare];
6049 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6050 && NrPieces >= 12 && !(NrPieces&1)) {
6051 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6053 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6054 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6056 if(map[j] == '/') offs = WhitePBishop - i, j++;
6057 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6058 table[i+offs] = map[j++];
6059 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6060 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6061 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6063 table[(int) WhiteKing] = map[j++];
6064 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6066 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6067 i = WHITE_TO_BLACK ii;
6068 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6069 table[i+offs] = map[j++];
6070 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6071 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6072 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6074 table[(int) BlackKing] = map[j++];
6077 if(*escapes) { // set up promotion pairing
6078 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6079 // pieceToChar entirely filled, so we can look up specified partners
6080 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6082 if(c == '^' || c == '-') { // has specified partner
6084 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6085 if(c == '^') table[i] = '+';
6086 if(p < EmptySquare) {
6087 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6088 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6089 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6091 } else if(c == '*') {
6092 table[i] = partner[i];
6093 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6105 SetCharTable (unsigned char *table, const char * map)
6107 return SetCharTableEsc(table, map, "");
6111 Prelude (Board board)
6112 { // [HGM] superchess: random selection of exo-pieces
6113 int i, j, k; ChessSquare p;
6114 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6116 GetPositionNumber(); // use FRC position number
6118 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6119 SetCharTable(pieceToChar, appData.pieceToCharTable);
6120 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6121 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6124 j = seed%4; seed /= 4;
6125 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6126 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6127 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6128 j = seed%3 + (seed%3 >= j); seed /= 3;
6129 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6130 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6131 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6132 j = seed%3; seed /= 3;
6133 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6134 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6135 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6136 j = seed%2 + (seed%2 >= j); seed /= 2;
6137 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6138 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6139 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6140 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6141 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6142 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6143 put(board, exoPieces[0], 0, 0, ANY);
6144 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6148 InitPosition (int redraw)
6150 ChessSquare (* pieces)[BOARD_FILES];
6151 int i, j, pawnRow=1, pieceRows=1, overrule,
6152 oldx = gameInfo.boardWidth,
6153 oldy = gameInfo.boardHeight,
6154 oldh = gameInfo.holdingsWidth;
6157 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6159 /* [AS] Initialize pv info list [HGM] and game status */
6161 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6162 pvInfoList[i].depth = 0;
6163 boards[i][EP_STATUS] = EP_NONE;
6164 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6167 initialRulePlies = 0; /* 50-move counter start */
6169 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6170 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6174 /* [HGM] logic here is completely changed. In stead of full positions */
6175 /* the initialized data only consist of the two backranks. The switch */
6176 /* selects which one we will use, which is than copied to the Board */
6177 /* initialPosition, which for the rest is initialized by Pawns and */
6178 /* empty squares. This initial position is then copied to boards[0], */
6179 /* possibly after shuffling, so that it remains available. */
6181 gameInfo.holdingsWidth = 0; /* default board sizes */
6182 gameInfo.boardWidth = 8;
6183 gameInfo.boardHeight = 8;
6184 gameInfo.holdingsSize = 0;
6185 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6186 for(i=0; i<BOARD_FILES-6; i++)
6187 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6188 initialPosition[EP_STATUS] = EP_NONE;
6189 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6190 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6191 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6192 SetCharTable(pieceNickName, appData.pieceNickNames);
6193 else SetCharTable(pieceNickName, "............");
6196 switch (gameInfo.variant) {
6197 case VariantFischeRandom:
6198 shuffleOpenings = TRUE;
6199 appData.fischerCastling = TRUE;
6202 case VariantShatranj:
6203 pieces = ShatranjArray;
6204 nrCastlingRights = 0;
6205 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6208 pieces = makrukArray;
6209 nrCastlingRights = 0;
6210 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6213 pieces = aseanArray;
6214 nrCastlingRights = 0;
6215 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6217 case VariantTwoKings:
6218 pieces = twoKingsArray;
6221 pieces = GrandArray;
6222 nrCastlingRights = 0;
6223 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6224 gameInfo.boardWidth = 10;
6225 gameInfo.boardHeight = 10;
6226 gameInfo.holdingsSize = 7;
6228 case VariantCapaRandom:
6229 shuffleOpenings = TRUE;
6230 appData.fischerCastling = TRUE;
6231 case VariantCapablanca:
6232 pieces = CapablancaArray;
6233 gameInfo.boardWidth = 10;
6234 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6237 pieces = GothicArray;
6238 gameInfo.boardWidth = 10;
6239 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6242 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6243 gameInfo.holdingsSize = 7;
6244 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6247 pieces = JanusArray;
6248 gameInfo.boardWidth = 10;
6249 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6250 nrCastlingRights = 6;
6251 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6252 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6253 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6254 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6255 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6256 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6259 pieces = FalconArray;
6260 gameInfo.boardWidth = 10;
6261 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6263 case VariantXiangqi:
6264 pieces = XiangqiArray;
6265 gameInfo.boardWidth = 9;
6266 gameInfo.boardHeight = 10;
6267 nrCastlingRights = 0;
6268 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6271 pieces = ShogiArray;
6272 gameInfo.boardWidth = 9;
6273 gameInfo.boardHeight = 9;
6274 gameInfo.holdingsSize = 7;
6275 nrCastlingRights = 0;
6276 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6279 pieces = ChuArray; pieceRows = 3;
6280 gameInfo.boardWidth = 12;
6281 gameInfo.boardHeight = 12;
6282 nrCastlingRights = 0;
6283 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6284 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6285 SetCharTableEsc(pieceToChar, "P.BRQSEXOG...HD..^DLI^HNV........^T..^L.C...A^AFT/^F^G^M.^E^X^O^I.^P.^B^R..M^S^C^VK"
6286 "p.brqsexog...hd..^dli^hnv........^t..^l.c...a^aft/^f^g^m.^e^x^o^i.^p.^b^r..m^s^c^vk", SUFFIXES);
6288 case VariantCourier:
6289 pieces = CourierArray;
6290 gameInfo.boardWidth = 12;
6291 nrCastlingRights = 0;
6292 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6294 case VariantKnightmate:
6295 pieces = KnightmateArray;
6296 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6298 case VariantSpartan:
6299 pieces = SpartanArray;
6300 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6304 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6306 case VariantChuChess:
6307 pieces = ChuChessArray;
6308 gameInfo.boardWidth = 10;
6309 gameInfo.boardHeight = 10;
6310 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6313 pieces = fairyArray;
6314 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6317 pieces = GreatArray;
6318 gameInfo.boardWidth = 10;
6319 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6320 gameInfo.holdingsSize = 8;
6324 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6325 gameInfo.holdingsSize = 8;
6326 startedFromSetupPosition = TRUE;
6328 case VariantCrazyhouse:
6329 case VariantBughouse:
6331 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6332 gameInfo.holdingsSize = 5;
6334 case VariantWildCastle:
6336 /* !!?shuffle with kings guaranteed to be on d or e file */
6337 shuffleOpenings = 1;
6339 case VariantNoCastle:
6341 nrCastlingRights = 0;
6342 /* !!?unconstrained back-rank shuffle */
6343 shuffleOpenings = 1;
6348 if(appData.NrFiles >= 0) {
6349 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6350 gameInfo.boardWidth = appData.NrFiles;
6352 if(appData.NrRanks >= 0) {
6353 gameInfo.boardHeight = appData.NrRanks;
6355 if(appData.holdingsSize >= 0) {
6356 i = appData.holdingsSize;
6357 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6358 gameInfo.holdingsSize = i;
6360 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6361 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6362 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6364 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6365 if(pawnRow < 1) pawnRow = 1;
6366 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6367 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6368 if(gameInfo.variant == VariantChu) pawnRow = 3;
6370 /* User pieceToChar list overrules defaults */
6371 if(appData.pieceToCharTable != NULL)
6372 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6374 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6376 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6377 s = (ChessSquare) 0; /* account holding counts in guard band */
6378 for( i=0; i<BOARD_HEIGHT; i++ )
6379 initialPosition[i][j] = s;
6381 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6382 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6383 initialPosition[pawnRow][j] = WhitePawn;
6384 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6385 if(gameInfo.variant == VariantXiangqi) {
6387 initialPosition[pawnRow][j] =
6388 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6389 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6390 initialPosition[2][j] = WhiteCannon;
6391 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6395 if(gameInfo.variant == VariantChu) {
6396 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6397 initialPosition[pawnRow+1][j] = WhiteCobra,
6398 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6399 for(i=1; i<pieceRows; i++) {
6400 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6401 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6404 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6405 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6406 initialPosition[0][j] = WhiteRook;
6407 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6410 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6412 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6413 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6416 initialPosition[1][j] = WhiteBishop;
6417 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6419 initialPosition[1][j] = WhiteRook;
6420 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6423 if( nrCastlingRights == -1) {
6424 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6425 /* This sets default castling rights from none to normal corners */
6426 /* Variants with other castling rights must set them themselves above */
6427 nrCastlingRights = 6;
6429 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6430 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6431 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6432 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6433 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6434 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6437 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6438 if(gameInfo.variant == VariantGreat) { // promotion commoners
6439 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6440 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6441 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6442 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6444 if( gameInfo.variant == VariantSChess ) {
6445 initialPosition[1][0] = BlackMarshall;
6446 initialPosition[2][0] = BlackAngel;
6447 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6448 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6449 initialPosition[1][1] = initialPosition[2][1] =
6450 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6452 if (appData.debugMode) {
6453 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6455 if(shuffleOpenings) {
6456 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6457 startedFromSetupPosition = TRUE;
6459 if(startedFromPositionFile) {
6460 /* [HGM] loadPos: use PositionFile for every new game */
6461 CopyBoard(initialPosition, filePosition);
6462 for(i=0; i<nrCastlingRights; i++)
6463 initialRights[i] = filePosition[CASTLING][i];
6464 startedFromSetupPosition = TRUE;
6466 if(*appData.men) LoadPieceDesc(appData.men);
6468 CopyBoard(boards[0], initialPosition);
6470 if(oldx != gameInfo.boardWidth ||
6471 oldy != gameInfo.boardHeight ||
6472 oldv != gameInfo.variant ||
6473 oldh != gameInfo.holdingsWidth
6475 InitDrawingSizes(-2 ,0);
6477 oldv = gameInfo.variant;
6479 DrawPosition(TRUE, boards[currentMove]);
6483 SendBoard (ChessProgramState *cps, int moveNum)
6485 char message[MSG_SIZ];
6487 if (cps->useSetboard) {
6488 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6489 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6490 SendToProgram(message, cps);
6495 int i, j, left=0, right=BOARD_WIDTH;
6496 /* Kludge to set black to move, avoiding the troublesome and now
6497 * deprecated "black" command.
6499 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6500 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6502 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6504 SendToProgram("edit\n", cps);
6505 SendToProgram("#\n", cps);
6506 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6507 bp = &boards[moveNum][i][left];
6508 for (j = left; j < right; j++, bp++) {
6509 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6510 if ((int) *bp < (int) BlackPawn) {
6511 if(j == BOARD_RGHT+1)
6512 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6513 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6514 if(message[0] == '+' || message[0] == '~') {
6515 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6516 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6517 AAA + j, ONE + i - '0');
6519 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6520 message[1] = BOARD_RGHT - 1 - j + '1';
6521 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6523 SendToProgram(message, cps);
6528 SendToProgram("c\n", cps);
6529 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6530 bp = &boards[moveNum][i][left];
6531 for (j = left; j < right; j++, bp++) {
6532 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6533 if (((int) *bp != (int) EmptySquare)
6534 && ((int) *bp >= (int) BlackPawn)) {
6535 if(j == BOARD_LEFT-2)
6536 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6537 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6538 AAA + j, ONE + i - '0');
6539 if(message[0] == '+' || message[0] == '~') {
6540 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6541 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6542 AAA + j, ONE + i - '0');
6544 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6545 message[1] = BOARD_RGHT - 1 - j + '1';
6546 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6548 SendToProgram(message, cps);
6553 SendToProgram(".\n", cps);
6555 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6558 char exclusionHeader[MSG_SIZ];
6559 int exCnt, excludePtr;
6560 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6561 static Exclusion excluTab[200];
6562 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6568 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6569 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6575 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6576 excludePtr = 24; exCnt = 0;
6581 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6582 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6583 char buf[2*MOVE_LEN], *p;
6584 Exclusion *e = excluTab;
6586 for(i=0; i<exCnt; i++)
6587 if(e[i].ff == fromX && e[i].fr == fromY &&
6588 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6589 if(i == exCnt) { // was not in exclude list; add it
6590 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6591 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6592 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6595 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6596 excludePtr++; e[i].mark = excludePtr++;
6597 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6600 exclusionHeader[e[i].mark] = state;
6604 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6605 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6609 if((signed char)promoChar == -1) { // kludge to indicate best move
6610 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6611 return 1; // if unparsable, abort
6613 // update exclusion map (resolving toggle by consulting existing state)
6614 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6616 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6617 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6618 excludeMap[k] |= 1<<j;
6619 else excludeMap[k] &= ~(1<<j);
6621 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6623 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6624 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6626 return (state == '+');
6630 ExcludeClick (int index)
6633 Exclusion *e = excluTab;
6634 if(index < 25) { // none, best or tail clicked
6635 if(index < 13) { // none: include all
6636 WriteMap(0); // clear map
6637 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6638 SendToBoth("include all\n"); // and inform engine
6639 } else if(index > 18) { // tail
6640 if(exclusionHeader[19] == '-') { // tail was excluded
6641 SendToBoth("include all\n");
6642 WriteMap(0); // clear map completely
6643 // now re-exclude selected moves
6644 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6645 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6646 } else { // tail was included or in mixed state
6647 SendToBoth("exclude all\n");
6648 WriteMap(0xFF); // fill map completely
6649 // now re-include selected moves
6650 j = 0; // count them
6651 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6652 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6653 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6656 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6659 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6660 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6661 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6668 DefaultPromoChoice (int white)
6671 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6672 gameInfo.variant == VariantMakruk)
6673 result = WhiteFerz; // no choice
6674 else if(gameInfo.variant == VariantASEAN)
6675 result = WhiteRook; // no choice
6676 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6677 result= WhiteKing; // in Suicide Q is the last thing we want
6678 else if(gameInfo.variant == VariantSpartan)
6679 result = white ? WhiteQueen : WhiteAngel;
6680 else result = WhiteQueen;
6681 if(!white) result = WHITE_TO_BLACK result;
6685 static int autoQueen; // [HGM] oneclick
6688 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6690 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6691 /* [HGM] add Shogi promotions */
6692 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6693 ChessSquare piece, partner;
6697 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6698 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6700 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6701 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6704 piece = boards[currentMove][fromY][fromX];
6705 if(gameInfo.variant == VariantChu) {
6706 promotionZoneSize = BOARD_HEIGHT/3;
6707 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6708 } else if(gameInfo.variant == VariantShogi) {
6709 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6710 highestPromotingPiece = (int)WhiteAlfil;
6711 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6712 promotionZoneSize = 3;
6715 // Treat Lance as Pawn when it is not representing Amazon or Lance
6716 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6717 if(piece == WhiteLance) piece = WhitePawn; else
6718 if(piece == BlackLance) piece = BlackPawn;
6721 // next weed out all moves that do not touch the promotion zone at all
6722 if((int)piece >= BlackPawn) {
6723 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6725 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6726 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6728 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6729 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6730 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6734 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6736 // weed out mandatory Shogi promotions
6737 if(gameInfo.variant == VariantShogi) {
6738 if(piece >= BlackPawn) {
6739 if(toY == 0 && piece == BlackPawn ||
6740 toY == 0 && piece == BlackQueen ||
6741 toY <= 1 && piece == BlackKnight) {
6746 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6747 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6748 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6755 // weed out obviously illegal Pawn moves
6756 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6757 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6758 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6759 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6760 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6761 // note we are not allowed to test for valid (non-)capture, due to premove
6764 // we either have a choice what to promote to, or (in Shogi) whether to promote
6765 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6766 gameInfo.variant == VariantMakruk) {
6767 ChessSquare p=BlackFerz; // no choice
6768 while(p < EmptySquare) { //but make sure we use piece that exists
6769 *promoChoice = PieceToChar(p++);
6770 if(*promoChoice != '.') break;
6772 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6774 // no sense asking what we must promote to if it is going to explode...
6775 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6776 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6779 // give caller the default choice even if we will not make it
6780 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6781 partner = piece; // pieces can promote if the pieceToCharTable says so
6782 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6783 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6784 if( sweepSelect && gameInfo.variant != VariantGreat
6785 && gameInfo.variant != VariantGrand
6786 && gameInfo.variant != VariantSuper) return FALSE;
6787 if(autoQueen) return FALSE; // predetermined
6789 // suppress promotion popup on illegal moves that are not premoves
6790 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6791 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6792 if(appData.testLegality && !premove) {
6793 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6794 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6795 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6796 if(moveType != WhitePromotion && moveType != BlackPromotion)
6804 InPalace (int row, int column)
6805 { /* [HGM] for Xiangqi */
6806 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6807 column < (BOARD_WIDTH + 4)/2 &&
6808 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6813 PieceForSquare (int x, int y)
6815 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6818 return boards[currentMove][y][x];
6822 OKToStartUserMove (int x, int y)
6824 ChessSquare from_piece;
6827 if (matchMode) return FALSE;
6828 if (gameMode == EditPosition) return TRUE;
6830 if (x >= 0 && y >= 0)
6831 from_piece = boards[currentMove][y][x];
6833 from_piece = EmptySquare;
6835 if (from_piece == EmptySquare) return FALSE;
6837 white_piece = (int)from_piece >= (int)WhitePawn &&
6838 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6842 case TwoMachinesPlay:
6850 case MachinePlaysWhite:
6851 case IcsPlayingBlack:
6852 if (appData.zippyPlay) return FALSE;
6854 DisplayMoveError(_("You are playing Black"));
6859 case MachinePlaysBlack:
6860 case IcsPlayingWhite:
6861 if (appData.zippyPlay) return FALSE;
6863 DisplayMoveError(_("You are playing White"));
6868 case PlayFromGameFile:
6869 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6872 if (!white_piece && WhiteOnMove(currentMove)) {
6873 DisplayMoveError(_("It is White's turn"));
6876 if (white_piece && !WhiteOnMove(currentMove)) {
6877 DisplayMoveError(_("It is Black's turn"));
6880 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6881 /* Editing correspondence game history */
6882 /* Could disallow this or prompt for confirmation */
6887 case BeginningOfGame:
6888 if (appData.icsActive) return FALSE;
6889 if (!appData.noChessProgram) {
6891 DisplayMoveError(_("You are playing White"));
6898 if (!white_piece && WhiteOnMove(currentMove)) {
6899 DisplayMoveError(_("It is White's turn"));
6902 if (white_piece && !WhiteOnMove(currentMove)) {
6903 DisplayMoveError(_("It is Black's turn"));
6912 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6913 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6914 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6915 && gameMode != AnalyzeFile && gameMode != Training) {
6916 DisplayMoveError(_("Displayed position is not current"));
6923 OnlyMove (int *x, int *y, Boolean captures)
6925 DisambiguateClosure cl;
6926 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6928 case MachinePlaysBlack:
6929 case IcsPlayingWhite:
6930 case BeginningOfGame:
6931 if(!WhiteOnMove(currentMove)) return FALSE;
6933 case MachinePlaysWhite:
6934 case IcsPlayingBlack:
6935 if(WhiteOnMove(currentMove)) return FALSE;
6942 cl.pieceIn = EmptySquare;
6947 cl.promoCharIn = NULLCHAR;
6948 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6949 if( cl.kind == NormalMove ||
6950 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6951 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6952 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6959 if(cl.kind != ImpossibleMove) return FALSE;
6960 cl.pieceIn = EmptySquare;
6965 cl.promoCharIn = NULLCHAR;
6966 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6967 if( cl.kind == NormalMove ||
6968 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6969 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6970 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6975 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6981 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6982 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6983 int lastLoadGameUseList = FALSE;
6984 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6985 ChessMove lastLoadGameStart = EndOfFile;
6987 Boolean addToBookFlag;
6988 static Board rightsBoard, nullBoard;
6991 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6995 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6997 /* Check if the user is playing in turn. This is complicated because we
6998 let the user "pick up" a piece before it is his turn. So the piece he
6999 tried to pick up may have been captured by the time he puts it down!
7000 Therefore we use the color the user is supposed to be playing in this
7001 test, not the color of the piece that is currently on the starting
7002 square---except in EditGame mode, where the user is playing both
7003 sides; fortunately there the capture race can't happen. (It can
7004 now happen in IcsExamining mode, but that's just too bad. The user
7005 will get a somewhat confusing message in that case.)
7010 case TwoMachinesPlay:
7014 /* We switched into a game mode where moves are not accepted,
7015 perhaps while the mouse button was down. */
7018 case MachinePlaysWhite:
7019 /* User is moving for Black */
7020 if (WhiteOnMove(currentMove)) {
7021 DisplayMoveError(_("It is White's turn"));
7026 case MachinePlaysBlack:
7027 /* User is moving for White */
7028 if (!WhiteOnMove(currentMove)) {
7029 DisplayMoveError(_("It is Black's turn"));
7034 case PlayFromGameFile:
7035 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7038 case BeginningOfGame:
7041 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7042 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7043 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7044 /* User is moving for Black */
7045 if (WhiteOnMove(currentMove)) {
7046 DisplayMoveError(_("It is White's turn"));
7050 /* User is moving for White */
7051 if (!WhiteOnMove(currentMove)) {
7052 DisplayMoveError(_("It is Black's turn"));
7058 case IcsPlayingBlack:
7059 /* User is moving for Black */
7060 if (WhiteOnMove(currentMove)) {
7061 if (!appData.premove) {
7062 DisplayMoveError(_("It is White's turn"));
7063 } else if (toX >= 0 && toY >= 0) {
7066 premoveFromX = fromX;
7067 premoveFromY = fromY;
7068 premovePromoChar = promoChar;
7070 if (appData.debugMode)
7071 fprintf(debugFP, "Got premove: fromX %d,"
7072 "fromY %d, toX %d, toY %d\n",
7073 fromX, fromY, toX, toY);
7075 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7080 case IcsPlayingWhite:
7081 /* User is moving for White */
7082 if (!WhiteOnMove(currentMove)) {
7083 if (!appData.premove) {
7084 DisplayMoveError(_("It is Black's turn"));
7085 } else if (toX >= 0 && toY >= 0) {
7088 premoveFromX = fromX;
7089 premoveFromY = fromY;
7090 premovePromoChar = promoChar;
7092 if (appData.debugMode)
7093 fprintf(debugFP, "Got premove: fromX %d,"
7094 "fromY %d, toX %d, toY %d\n",
7095 fromX, fromY, toX, toY);
7097 DrawPosition(TRUE, boards[currentMove]);
7106 /* EditPosition, empty square, or different color piece;
7107 click-click move is possible */
7108 if (toX == -2 || toY == -2) {
7109 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7110 DrawPosition(FALSE, boards[currentMove]);
7112 } else if (toX >= 0 && toY >= 0) {
7113 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7114 ChessSquare p = boards[0][rf][ff];
7115 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7116 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7117 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7118 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7119 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7122 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7123 boards[0][toY][toX] = boards[0][fromY][fromX];
7124 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7125 if(boards[0][fromY][0] != EmptySquare) {
7126 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7127 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7130 if(fromX == BOARD_RGHT+1) {
7131 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7132 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7133 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7136 boards[0][fromY][fromX] = gatingPiece;
7138 DrawPosition(FALSE, boards[currentMove]);
7144 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7145 pup = boards[currentMove][toY][toX];
7147 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7148 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7149 if( pup != EmptySquare ) return;
7150 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7151 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7152 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7153 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7154 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7155 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7156 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7160 /* [HGM] always test for legality, to get promotion info */
7161 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7162 fromY, fromX, toY, toX, promoChar);
7164 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7166 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7168 /* [HGM] but possibly ignore an IllegalMove result */
7169 if (appData.testLegality) {
7170 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7171 DisplayMoveError(_("Illegal move"));
7176 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7177 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7178 ClearPremoveHighlights(); // was included
7179 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7180 DrawPosition(FALSE, NULL);
7184 if(addToBookFlag) { // adding moves to book
7185 char buf[MSG_SIZ], move[MSG_SIZ];
7186 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7187 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7188 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7189 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7191 addToBookFlag = FALSE;
7196 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7199 /* Common tail of UserMoveEvent and DropMenuEvent */
7201 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7205 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7206 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7207 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7208 if(WhiteOnMove(currentMove)) {
7209 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7211 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7215 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7216 move type in caller when we know the move is a legal promotion */
7217 if(moveType == NormalMove && promoChar)
7218 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7220 /* [HGM] <popupFix> The following if has been moved here from
7221 UserMoveEvent(). Because it seemed to belong here (why not allow
7222 piece drops in training games?), and because it can only be
7223 performed after it is known to what we promote. */
7224 if (gameMode == Training) {
7225 /* compare the move played on the board to the next move in the
7226 * game. If they match, display the move and the opponent's response.
7227 * If they don't match, display an error message.
7231 CopyBoard(testBoard, boards[currentMove]);
7232 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7234 if (CompareBoards(testBoard, boards[currentMove+1])) {
7235 ForwardInner(currentMove+1);
7237 /* Autoplay the opponent's response.
7238 * if appData.animate was TRUE when Training mode was entered,
7239 * the response will be animated.
7241 saveAnimate = appData.animate;
7242 appData.animate = animateTraining;
7243 ForwardInner(currentMove+1);
7244 appData.animate = saveAnimate;
7246 /* check for the end of the game */
7247 if (currentMove >= forwardMostMove) {
7248 gameMode = PlayFromGameFile;
7250 SetTrainingModeOff();
7251 DisplayInformation(_("End of game"));
7254 DisplayError(_("Incorrect move"), 0);
7259 /* Ok, now we know that the move is good, so we can kill
7260 the previous line in Analysis Mode */
7261 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7262 && currentMove < forwardMostMove) {
7263 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7264 else forwardMostMove = currentMove;
7269 /* If we need the chess program but it's dead, restart it */
7270 ResurrectChessProgram();
7272 /* A user move restarts a paused game*/
7276 thinkOutput[0] = NULLCHAR;
7278 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7280 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7281 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7285 if (gameMode == BeginningOfGame) {
7286 if (appData.noChessProgram) {
7287 gameMode = EditGame;
7291 gameMode = MachinePlaysBlack;
7294 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7296 if (first.sendName) {
7297 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7298 SendToProgram(buf, &first);
7305 /* Relay move to ICS or chess engine */
7306 if (appData.icsActive) {
7307 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7308 gameMode == IcsExamining) {
7309 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7310 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7312 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7314 // also send plain move, in case ICS does not understand atomic claims
7315 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7319 if (first.sendTime && (gameMode == BeginningOfGame ||
7320 gameMode == MachinePlaysWhite ||
7321 gameMode == MachinePlaysBlack)) {
7322 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7324 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7325 // [HGM] book: if program might be playing, let it use book
7326 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7327 first.maybeThinking = TRUE;
7328 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7329 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7330 SendBoard(&first, currentMove+1);
7331 if(second.analyzing) {
7332 if(!second.useSetboard) SendToProgram("undo\n", &second);
7333 SendBoard(&second, currentMove+1);
7336 SendMoveToProgram(forwardMostMove-1, &first);
7337 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7339 if (currentMove == cmailOldMove + 1) {
7340 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7344 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7348 if(appData.testLegality)
7349 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7355 if (WhiteOnMove(currentMove)) {
7356 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7358 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7362 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7367 case MachinePlaysBlack:
7368 case MachinePlaysWhite:
7369 /* disable certain menu options while machine is thinking */
7370 SetMachineThinkingEnables();
7377 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7378 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7380 if(bookHit) { // [HGM] book: simulate book reply
7381 static char bookMove[MSG_SIZ]; // a bit generous?
7383 programStats.nodes = programStats.depth = programStats.time =
7384 programStats.score = programStats.got_only_move = 0;
7385 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7387 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7388 strcat(bookMove, bookHit);
7389 HandleMachineMove(bookMove, &first);
7395 MarkByFEN(char *fen)
7398 if(!appData.markers || !appData.highlightDragging) return;
7399 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7400 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7404 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7405 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7406 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7407 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7408 if(*fen == 'T') marker[r][f++] = 0; else
7409 if(*fen == 'Y') marker[r][f++] = 1; else
7410 if(*fen == 'G') marker[r][f++] = 3; else
7411 if(*fen == 'B') marker[r][f++] = 4; else
7412 if(*fen == 'C') marker[r][f++] = 5; else
7413 if(*fen == 'M') marker[r][f++] = 6; else
7414 if(*fen == 'W') marker[r][f++] = 7; else
7415 if(*fen == 'D') marker[r][f++] = 8; else
7416 if(*fen == 'R') marker[r][f++] = 2; else {
7417 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7420 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7424 DrawPosition(TRUE, NULL);
7427 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7430 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7432 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7433 Markers *m = (Markers *) closure;
7434 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7435 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7436 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7437 || kind == WhiteCapturesEnPassant
7438 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7439 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7442 static int hoverSavedValid;
7445 MarkTargetSquares (int clear)
7448 if(clear) { // no reason to ever suppress clearing
7449 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7450 hoverSavedValid = 0;
7451 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7454 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7455 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7456 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7457 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7458 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7460 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7463 DrawPosition(FALSE, NULL);
7467 Explode (Board board, int fromX, int fromY, int toX, int toY)
7469 if(gameInfo.variant == VariantAtomic &&
7470 (board[toY][toX] != EmptySquare || // capture?
7471 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7472 board[fromY][fromX] == BlackPawn )
7474 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7480 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7483 CanPromote (ChessSquare piece, int y)
7485 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7486 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7487 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7488 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7489 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7490 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7491 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7492 return (piece == BlackPawn && y <= zone ||
7493 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7494 piece == BlackLance && y <= zone ||
7495 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7499 HoverEvent (int xPix, int yPix, int x, int y)
7501 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7503 if(!first.highlight) return;
7504 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7505 if(x == oldX && y == oldY) return; // only do something if we enter new square
7506 oldFromX = fromX; oldFromY = fromY;
7507 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7508 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7509 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7510 hoverSavedValid = 1;
7511 } else if(oldX != x || oldY != y) {
7512 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7513 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7514 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7515 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7516 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7518 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7519 SendToProgram(buf, &first);
7522 // SetHighlights(fromX, fromY, x, y);
7526 void ReportClick(char *action, int x, int y)
7528 char buf[MSG_SIZ]; // Inform engine of what user does
7530 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7531 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7532 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7533 if(!first.highlight || gameMode == EditPosition) return;
7534 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7535 SendToProgram(buf, &first);
7538 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7541 LeftClick (ClickType clickType, int xPix, int yPix)
7544 Boolean saveAnimate;
7545 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7546 char promoChoice = NULLCHAR;
7548 static TimeMark lastClickTime, prevClickTime;
7550 if(flashing) return;
7552 x = EventToSquare(xPix, BOARD_WIDTH);
7553 y = EventToSquare(yPix, BOARD_HEIGHT);
7554 if (!flipView && y >= 0) {
7555 y = BOARD_HEIGHT - 1 - y;
7557 if (flipView && x >= 0) {
7558 x = BOARD_WIDTH - 1 - x;
7561 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7563 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7568 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7570 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7572 if (clickType == Press) ErrorPopDown();
7573 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7575 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7576 defaultPromoChoice = promoSweep;
7577 promoSweep = EmptySquare; // terminate sweep
7578 promoDefaultAltered = TRUE;
7579 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7582 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7583 if(clickType == Release) return; // ignore upclick of click-click destination
7584 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7585 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7586 if(gameInfo.holdingsWidth &&
7587 (WhiteOnMove(currentMove)
7588 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7589 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7590 // click in right holdings, for determining promotion piece
7591 ChessSquare p = boards[currentMove][y][x];
7592 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7593 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7594 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7595 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7600 DrawPosition(FALSE, boards[currentMove]);
7604 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7605 if(clickType == Press
7606 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7607 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7608 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7611 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7612 // could be static click on premove from-square: abort premove
7614 ClearPremoveHighlights();
7617 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7618 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7620 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7621 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7622 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7623 defaultPromoChoice = DefaultPromoChoice(side);
7626 autoQueen = appData.alwaysPromoteToQueen;
7630 gatingPiece = EmptySquare;
7631 if (clickType != Press) {
7632 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7633 DragPieceEnd(xPix, yPix); dragging = 0;
7634 DrawPosition(FALSE, NULL);
7638 doubleClick = FALSE;
7639 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7640 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7642 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7643 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7644 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7645 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7647 if (OKToStartUserMove(fromX, fromY)) {
7649 ReportClick("lift", x, y);
7650 MarkTargetSquares(0);
7651 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7652 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7653 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7654 promoSweep = defaultPromoChoice;
7655 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7656 Sweep(0); // Pawn that is going to promote: preview promotion piece
7657 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7659 if (appData.highlightDragging) {
7660 SetHighlights(fromX, fromY, -1, -1);
7664 } else fromX = fromY = -1;
7670 if (clickType == Press && gameMode != EditPosition) {
7675 // ignore off-board to clicks
7676 if(y < 0 || x < 0) return;
7678 /* Check if clicking again on the same color piece */
7679 fromP = boards[currentMove][fromY][fromX];
7680 toP = boards[currentMove][y][x];
7681 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7682 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7683 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7684 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7685 WhitePawn <= toP && toP <= WhiteKing &&
7686 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7687 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7688 (BlackPawn <= fromP && fromP <= BlackKing &&
7689 BlackPawn <= toP && toP <= BlackKing &&
7690 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7691 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7692 /* Clicked again on same color piece -- changed his mind */
7693 second = (x == fromX && y == fromY);
7694 killX = killY = kill2X = kill2Y = -1;
7695 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7696 second = FALSE; // first double-click rather than scond click
7697 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7699 promoDefaultAltered = FALSE;
7700 if(!second) MarkTargetSquares(1);
7701 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7702 if (appData.highlightDragging) {
7703 SetHighlights(x, y, -1, -1);
7707 if (OKToStartUserMove(x, y)) {
7708 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7709 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7710 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7711 gatingPiece = boards[currentMove][fromY][fromX];
7712 else gatingPiece = doubleClick ? fromP : EmptySquare;
7714 fromY = y; dragging = 1;
7715 if(!second) ReportClick("lift", x, y);
7716 MarkTargetSquares(0);
7717 DragPieceBegin(xPix, yPix, FALSE);
7718 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7719 promoSweep = defaultPromoChoice;
7720 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7721 Sweep(0); // Pawn that is going to promote: preview promotion piece
7725 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7728 // ignore clicks on holdings
7729 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7732 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7733 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7734 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7738 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7739 DragPieceEnd(xPix, yPix); dragging = 0;
7741 // a deferred attempt to click-click move an empty square on top of a piece
7742 boards[currentMove][y][x] = EmptySquare;
7744 DrawPosition(FALSE, boards[currentMove]);
7745 fromX = fromY = -1; clearFlag = 0;
7748 if (appData.animateDragging) {
7749 /* Undo animation damage if any */
7750 DrawPosition(FALSE, NULL);
7753 /* Second up/down in same square; just abort move */
7756 gatingPiece = EmptySquare;
7759 ClearPremoveHighlights();
7760 MarkTargetSquares(-1);
7761 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7763 /* First upclick in same square; start click-click mode */
7764 SetHighlights(x, y, -1, -1);
7771 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7772 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7773 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7774 DisplayMessage(_("only marked squares are legal"),"");
7775 DrawPosition(TRUE, NULL);
7776 return; // ignore to-click
7779 /* we now have a different from- and (possibly off-board) to-square */
7780 /* Completed move */
7781 if(!sweepSelecting) {
7786 piece = boards[currentMove][fromY][fromX];
7788 saveAnimate = appData.animate;
7789 if (clickType == Press) {
7790 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7791 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7792 // must be Edit Position mode with empty-square selected
7793 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7794 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7797 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7800 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7801 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7803 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7804 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7805 if(appData.sweepSelect) {
7806 promoSweep = defaultPromoChoice;
7807 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7808 selectFlag = 0; lastX = xPix; lastY = yPix;
7809 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7810 saveFlash = appData.flashCount; appData.flashCount = 0;
7811 Sweep(0); // Pawn that is going to promote: preview promotion piece
7813 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7814 MarkTargetSquares(1);
7816 return; // promo popup appears on up-click
7818 /* Finish clickclick move */
7819 if (appData.animate || appData.highlightLastMove) {
7820 SetHighlights(fromX, fromY, toX, toY);
7824 MarkTargetSquares(1);
7825 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7826 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7827 *promoRestrict = 0; appData.flashCount = saveFlash;
7828 if (appData.animate || appData.highlightLastMove) {
7829 SetHighlights(fromX, fromY, toX, toY);
7833 MarkTargetSquares(1);
7836 // [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
7837 /* Finish drag move */
7838 if (appData.highlightLastMove) {
7839 SetHighlights(fromX, fromY, toX, toY);
7844 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7845 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7846 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7847 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7848 dragging *= 2; // flag button-less dragging if we are dragging
7849 MarkTargetSquares(1);
7850 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7852 kill2X = killX; kill2Y = killY;
7853 killX = x; killY = y; // remember this square as intermediate
7854 ReportClick("put", x, y); // and inform engine
7855 ReportClick("lift", x, y);
7856 MarkTargetSquares(0);
7860 DragPieceEnd(xPix, yPix); dragging = 0;
7861 /* Don't animate move and drag both */
7862 appData.animate = FALSE;
7863 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7866 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7867 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7868 ChessSquare piece = boards[currentMove][fromY][fromX];
7869 if(gameMode == EditPosition && piece != EmptySquare &&
7870 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7873 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7874 n = PieceToNumber(piece - (int)BlackPawn);
7875 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7876 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7877 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7879 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7880 n = PieceToNumber(piece);
7881 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7882 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7883 boards[currentMove][n][BOARD_WIDTH-2]++;
7885 boards[currentMove][fromY][fromX] = EmptySquare;
7889 MarkTargetSquares(1);
7890 DrawPosition(TRUE, boards[currentMove]);
7894 // off-board moves should not be highlighted
7895 if(x < 0 || y < 0) ClearHighlights();
7896 else ReportClick("put", x, y);
7898 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7900 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7902 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7903 SetHighlights(fromX, fromY, toX, toY);
7904 MarkTargetSquares(1);
7905 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7906 // [HGM] super: promotion to captured piece selected from holdings
7907 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7908 promotionChoice = TRUE;
7909 // kludge follows to temporarily execute move on display, without promoting yet
7910 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7911 boards[currentMove][toY][toX] = p;
7912 DrawPosition(FALSE, boards[currentMove]);
7913 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7914 boards[currentMove][toY][toX] = q;
7915 DisplayMessage("Click in holdings to choose piece", "");
7918 PromotionPopUp(promoChoice);
7920 int oldMove = currentMove;
7921 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7922 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7923 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7924 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7925 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7926 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7927 DrawPosition(TRUE, boards[currentMove]);
7931 appData.animate = saveAnimate;
7932 if (appData.animate || appData.animateDragging) {
7933 /* Undo animation damage if needed */
7934 // DrawPosition(FALSE, NULL);
7939 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7940 { // front-end-free part taken out of PieceMenuPopup
7941 int whichMenu; int xSqr, ySqr;
7943 if(seekGraphUp) { // [HGM] seekgraph
7944 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7945 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7949 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7950 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7951 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7952 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7953 if(action == Press) {
7954 originalFlip = flipView;
7955 flipView = !flipView; // temporarily flip board to see game from partners perspective
7956 DrawPosition(TRUE, partnerBoard);
7957 DisplayMessage(partnerStatus, "");
7959 } else if(action == Release) {
7960 flipView = originalFlip;
7961 DrawPosition(TRUE, boards[currentMove]);
7967 xSqr = EventToSquare(x, BOARD_WIDTH);
7968 ySqr = EventToSquare(y, BOARD_HEIGHT);
7969 if (action == Release) {
7970 if(pieceSweep != EmptySquare) {
7971 EditPositionMenuEvent(pieceSweep, toX, toY);
7972 pieceSweep = EmptySquare;
7973 } else UnLoadPV(); // [HGM] pv
7975 if (action != Press) return -2; // return code to be ignored
7978 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7980 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7981 if (xSqr < 0 || ySqr < 0) return -1;
7982 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7983 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7984 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7985 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7989 if(!appData.icsEngineAnalyze) return -1;
7990 case IcsPlayingWhite:
7991 case IcsPlayingBlack:
7992 if(!appData.zippyPlay) goto noZip;
7995 case MachinePlaysWhite:
7996 case MachinePlaysBlack:
7997 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7998 if (!appData.dropMenu) {
8000 return 2; // flag front-end to grab mouse events
8002 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8003 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8006 if (xSqr < 0 || ySqr < 0) return -1;
8007 if (!appData.dropMenu || appData.testLegality &&
8008 gameInfo.variant != VariantBughouse &&
8009 gameInfo.variant != VariantCrazyhouse) return -1;
8010 whichMenu = 1; // drop menu
8016 if (((*fromX = xSqr) < 0) ||
8017 ((*fromY = ySqr) < 0)) {
8018 *fromX = *fromY = -1;
8022 *fromX = BOARD_WIDTH - 1 - *fromX;
8024 *fromY = BOARD_HEIGHT - 1 - *fromY;
8030 Wheel (int dir, int x, int y)
8032 if(gameMode == EditPosition) {
8033 int xSqr = EventToSquare(x, BOARD_WIDTH);
8034 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8035 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8036 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8038 boards[currentMove][ySqr][xSqr] += dir;
8039 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8040 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8041 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8042 DrawPosition(FALSE, boards[currentMove]);
8043 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8047 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8049 // char * hint = lastHint;
8050 FrontEndProgramStats stats;
8052 stats.which = cps == &first ? 0 : 1;
8053 stats.depth = cpstats->depth;
8054 stats.nodes = cpstats->nodes;
8055 stats.score = cpstats->score;
8056 stats.time = cpstats->time;
8057 stats.pv = cpstats->movelist;
8058 stats.hint = lastHint;
8059 stats.an_move_index = 0;
8060 stats.an_move_count = 0;
8062 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8063 stats.hint = cpstats->move_name;
8064 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8065 stats.an_move_count = cpstats->nr_moves;
8068 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
8070 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8071 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8073 SetProgramStats( &stats );
8077 ClearEngineOutputPane (int which)
8079 static FrontEndProgramStats dummyStats;
8080 dummyStats.which = which;
8081 dummyStats.pv = "#";
8082 SetProgramStats( &dummyStats );
8085 #define MAXPLAYERS 500
8088 TourneyStandings (int display)
8090 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8091 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8092 char result, *p, *names[MAXPLAYERS];
8094 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8095 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8096 names[0] = p = strdup(appData.participants);
8097 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8099 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8101 while(result = appData.results[nr]) {
8102 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8103 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8104 wScore = bScore = 0;
8106 case '+': wScore = 2; break;
8107 case '-': bScore = 2; break;
8108 case '=': wScore = bScore = 1; break;
8110 case '*': return strdup("busy"); // tourney not finished
8118 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8119 for(w=0; w<nPlayers; w++) {
8121 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8122 ranking[w] = b; points[w] = bScore; score[b] = -2;
8124 p = malloc(nPlayers*34+1);
8125 for(w=0; w<nPlayers && w<display; w++)
8126 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8132 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8133 { // count all piece types
8135 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8136 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8137 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8140 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8141 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8142 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8143 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8144 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8145 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8150 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8152 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8153 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8155 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8156 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8157 if(myPawns == 2 && nMine == 3) // KPP
8158 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8159 if(myPawns == 1 && nMine == 2) // KP
8160 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8161 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8162 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8163 if(myPawns) return FALSE;
8164 if(pCnt[WhiteRook+side])
8165 return pCnt[BlackRook-side] ||
8166 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8167 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8168 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8169 if(pCnt[WhiteCannon+side]) {
8170 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8171 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8173 if(pCnt[WhiteKnight+side])
8174 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8179 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8181 VariantClass v = gameInfo.variant;
8183 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8184 if(v == VariantShatranj) return TRUE; // always winnable through baring
8185 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8186 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8188 if(v == VariantXiangqi) {
8189 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8191 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8192 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8193 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8194 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8195 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8196 if(stale) // we have at least one last-rank P plus perhaps C
8197 return majors // KPKX
8198 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8200 return pCnt[WhiteFerz+side] // KCAK
8201 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8202 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8203 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8205 } else if(v == VariantKnightmate) {
8206 if(nMine == 1) return FALSE;
8207 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8208 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8209 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8211 if(nMine == 1) return FALSE; // bare King
8212 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
8213 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8214 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8215 // by now we have King + 1 piece (or multiple Bishops on the same color)
8216 if(pCnt[WhiteKnight+side])
8217 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8218 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8219 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8221 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8222 if(pCnt[WhiteAlfil+side])
8223 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8224 if(pCnt[WhiteWazir+side])
8225 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8232 CompareWithRights (Board b1, Board b2)
8235 if(!CompareBoards(b1, b2)) return FALSE;
8236 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8237 /* compare castling rights */
8238 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8239 rights++; /* King lost rights, while rook still had them */
8240 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8241 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8242 rights++; /* but at least one rook lost them */
8244 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8246 if( b1[CASTLING][5] != NoRights ) {
8247 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8254 Adjudicate (ChessProgramState *cps)
8255 { // [HGM] some adjudications useful with buggy engines
8256 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8257 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8258 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8259 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8260 int k, drop, count = 0; static int bare = 1;
8261 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8262 Boolean canAdjudicate = !appData.icsActive;
8264 // most tests only when we understand the game, i.e. legality-checking on
8265 if( appData.testLegality )
8266 { /* [HGM] Some more adjudications for obstinate engines */
8267 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8268 static int moveCount = 6;
8270 char *reason = NULL;
8272 /* Count what is on board. */
8273 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8275 /* Some material-based adjudications that have to be made before stalemate test */
8276 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8277 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8278 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8279 if(canAdjudicate && appData.checkMates) {
8281 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8282 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8283 "Xboard adjudication: King destroyed", GE_XBOARD );
8288 /* Bare King in Shatranj (loses) or Losers (wins) */
8289 if( nrW == 1 || nrB == 1) {
8290 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8291 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8292 if(canAdjudicate && appData.checkMates) {
8294 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8295 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8296 "Xboard adjudication: Bare king", GE_XBOARD );
8300 if( gameInfo.variant == VariantShatranj && --bare < 0)
8302 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8303 if(canAdjudicate && appData.checkMates) {
8304 /* but only adjudicate if adjudication enabled */
8306 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8307 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8308 "Xboard adjudication: Bare king", GE_XBOARD );
8315 // don't wait for engine to announce game end if we can judge ourselves
8316 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8318 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8319 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8320 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8321 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8324 reason = "Xboard adjudication: 3rd check";
8325 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8336 reason = "Xboard adjudication: Stalemate";
8337 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8338 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8339 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8340 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8341 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8342 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8343 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8344 EP_CHECKMATE : EP_WINS);
8345 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8346 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8350 reason = "Xboard adjudication: Checkmate";
8351 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8352 if(gameInfo.variant == VariantShogi) {
8353 if(forwardMostMove > backwardMostMove
8354 && moveList[forwardMostMove-1][1] == '@'
8355 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8356 reason = "XBoard adjudication: pawn-drop mate";
8357 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8363 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8365 result = GameIsDrawn; break;
8367 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8369 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8373 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8375 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8376 GameEnds( result, reason, GE_XBOARD );
8380 /* Next absolutely insufficient mating material. */
8381 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8382 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8383 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8385 /* always flag draws, for judging claims */
8386 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8388 if(canAdjudicate && appData.materialDraws) {
8389 /* but only adjudicate them if adjudication enabled */
8390 if(engineOpponent) {
8391 SendToProgram("force\n", engineOpponent); // suppress reply
8392 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8394 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8399 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8400 if(gameInfo.variant == VariantXiangqi ?
8401 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8403 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8404 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8405 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8406 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8408 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8409 { /* if the first 3 moves do not show a tactical win, declare draw */
8410 if(engineOpponent) {
8411 SendToProgram("force\n", engineOpponent); // suppress reply
8412 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8414 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8417 } else moveCount = 6;
8420 // Repetition draws and 50-move rule can be applied independently of legality testing
8422 /* Check for rep-draws */
8424 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8425 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8426 for(k = forwardMostMove-2;
8427 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8428 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8429 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8432 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8433 /* compare castling rights */
8434 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8435 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8436 rights++; /* King lost rights, while rook still had them */
8437 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8438 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8439 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8440 rights++; /* but at least one rook lost them */
8442 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8443 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8445 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8446 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8447 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8450 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8451 && appData.drawRepeats > 1) {
8452 /* adjudicate after user-specified nr of repeats */
8453 int result = GameIsDrawn;
8454 char *details = "XBoard adjudication: repetition draw";
8455 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8456 // [HGM] xiangqi: check for forbidden perpetuals
8457 int m, ourPerpetual = 1, hisPerpetual = 1;
8458 for(m=forwardMostMove; m>k; m-=2) {
8459 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8460 ourPerpetual = 0; // the current mover did not always check
8461 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8462 hisPerpetual = 0; // the opponent did not always check
8464 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8465 ourPerpetual, hisPerpetual);
8466 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8467 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8468 details = "Xboard adjudication: perpetual checking";
8470 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8471 break; // (or we would have caught him before). Abort repetition-checking loop.
8473 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8474 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8476 details = "Xboard adjudication: repetition";
8478 } else // it must be XQ
8479 // Now check for perpetual chases
8480 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8481 hisPerpetual = PerpetualChase(k, forwardMostMove);
8482 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8483 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8484 static char resdet[MSG_SIZ];
8485 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8487 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8489 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8490 break; // Abort repetition-checking loop.
8492 // if neither of us is checking or chasing all the time, or both are, it is draw
8494 if(engineOpponent) {
8495 SendToProgram("force\n", engineOpponent); // suppress reply
8496 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8498 GameEnds( result, details, GE_XBOARD );
8501 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8502 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8506 /* Now we test for 50-move draws. Determine ply count */
8507 count = forwardMostMove;
8508 /* look for last irreversble move */
8509 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8511 /* if we hit starting position, add initial plies */
8512 if( count == backwardMostMove )
8513 count -= initialRulePlies;
8514 count = forwardMostMove - count;
8515 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8516 // adjust reversible move counter for checks in Xiangqi
8517 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8518 if(i < backwardMostMove) i = backwardMostMove;
8519 while(i <= forwardMostMove) {
8520 lastCheck = inCheck; // check evasion does not count
8521 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8522 if(inCheck || lastCheck) count--; // check does not count
8527 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8528 /* this is used to judge if draw claims are legal */
8529 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8530 if(engineOpponent) {
8531 SendToProgram("force\n", engineOpponent); // suppress reply
8532 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8534 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8538 /* if draw offer is pending, treat it as a draw claim
8539 * when draw condition present, to allow engines a way to
8540 * claim draws before making their move to avoid a race
8541 * condition occurring after their move
8543 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8545 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8546 p = "Draw claim: 50-move rule";
8547 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8548 p = "Draw claim: 3-fold repetition";
8549 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8550 p = "Draw claim: insufficient mating material";
8551 if( p != NULL && canAdjudicate) {
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, p, GE_XBOARD );
8561 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8562 if(engineOpponent) {
8563 SendToProgram("force\n", engineOpponent); // suppress reply
8564 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8566 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8572 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8573 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8574 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8579 int pieces[10], squares[10], cnt=0, r, f, res;
8581 static PPROBE_EGBB probeBB;
8582 if(!appData.testLegality) return 10;
8583 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8584 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8585 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8586 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8587 ChessSquare piece = boards[forwardMostMove][r][f];
8588 int black = (piece >= BlackPawn);
8589 int type = piece - black*BlackPawn;
8590 if(piece == EmptySquare) continue;
8591 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8592 if(type == WhiteKing) type = WhiteQueen + 1;
8593 type = egbbCode[type];
8594 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8595 pieces[cnt] = type + black*6;
8596 if(++cnt > 5) return 11;
8598 pieces[cnt] = squares[cnt] = 0;
8600 if(loaded == 2) return 13; // loading failed before
8602 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8605 loaded = 2; // prepare for failure
8606 if(!path) return 13; // no egbb installed
8607 strncpy(buf, path + 8, MSG_SIZ);
8608 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8609 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8610 lib = LoadLibrary(buf);
8611 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8612 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8613 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8614 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8615 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8616 loaded = 1; // success!
8618 res = probeBB(forwardMostMove & 1, pieces, squares);
8619 return res > 0 ? 1 : res < 0 ? -1 : 0;
8623 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8624 { // [HGM] book: this routine intercepts moves to simulate book replies
8625 char *bookHit = NULL;
8627 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8629 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8630 SendToProgram(buf, cps);
8632 //first determine if the incoming move brings opponent into his book
8633 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8634 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8635 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8636 if(bookHit != NULL && !cps->bookSuspend) {
8637 // make sure opponent is not going to reply after receiving move to book position
8638 SendToProgram("force\n", cps);
8639 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8641 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8642 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8643 // now arrange restart after book miss
8645 // after a book hit we never send 'go', and the code after the call to this routine
8646 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8647 char buf[MSG_SIZ], *move = bookHit;
8649 int fromX, fromY, toX, toY;
8653 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8654 &fromX, &fromY, &toX, &toY, &promoChar)) {
8655 (void) CoordsToAlgebraic(boards[forwardMostMove],
8656 PosFlags(forwardMostMove),
8657 fromY, fromX, toY, toX, promoChar, move);
8659 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8663 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8664 SendToProgram(buf, cps);
8665 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8666 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8667 SendToProgram("go\n", cps);
8668 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8669 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8670 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8671 SendToProgram("go\n", cps);
8672 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8674 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8678 LoadError (char *errmess, ChessProgramState *cps)
8679 { // unloads engine and switches back to -ncp mode if it was first
8680 if(cps->initDone) return FALSE;
8681 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8682 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8685 appData.noChessProgram = TRUE;
8686 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8687 gameMode = BeginningOfGame; ModeHighlight();
8690 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8691 DisplayMessage("", ""); // erase waiting message
8692 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8697 ChessProgramState *savedState;
8699 DeferredBookMove (void)
8701 if(savedState->lastPing != savedState->lastPong)
8702 ScheduleDelayedEvent(DeferredBookMove, 10);
8704 HandleMachineMove(savedMessage, savedState);
8707 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8708 static ChessProgramState *stalledEngine;
8709 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8712 HandleMachineMove (char *message, ChessProgramState *cps)
8714 static char firstLeg[20], legs;
8715 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8716 char realname[MSG_SIZ];
8717 int fromX, fromY, toX, toY;
8719 char promoChar, roar;
8724 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8725 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8726 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8727 DisplayError(_("Invalid pairing from pairing engine"), 0);
8730 pairingReceived = 1;
8732 return; // Skim the pairing messages here.
8735 oldError = cps->userError; cps->userError = 0;
8737 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8739 * Kludge to ignore BEL characters
8741 while (*message == '\007') message++;
8744 * [HGM] engine debug message: ignore lines starting with '#' character
8746 if(cps->debug && *message == '#') return;
8749 * Look for book output
8751 if (cps == &first && bookRequested) {
8752 if (message[0] == '\t' || message[0] == ' ') {
8753 /* Part of the book output is here; append it */
8754 strcat(bookOutput, message);
8755 strcat(bookOutput, " \n");
8757 } else if (bookOutput[0] != NULLCHAR) {
8758 /* All of book output has arrived; display it */
8759 char *p = bookOutput;
8760 while (*p != NULLCHAR) {
8761 if (*p == '\t') *p = ' ';
8764 DisplayInformation(bookOutput);
8765 bookRequested = FALSE;
8766 /* Fall through to parse the current output */
8771 * Look for machine move.
8773 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8774 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8776 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8777 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8778 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8779 stalledEngine = cps;
8780 if(appData.ponderNextMove) { // bring opponent out of ponder
8781 if(gameMode == TwoMachinesPlay) {
8782 if(cps->other->pause)
8783 PauseEngine(cps->other);
8785 SendToProgram("easy\n", cps->other);
8794 /* This method is only useful on engines that support ping */
8795 if(abortEngineThink) {
8796 if (appData.debugMode) {
8797 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8799 SendToProgram("undo\n", cps);
8803 if (cps->lastPing != cps->lastPong) {
8804 /* Extra move from before last new; ignore */
8805 if (appData.debugMode) {
8806 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8813 int machineWhite = FALSE;
8816 case BeginningOfGame:
8817 /* Extra move from before last reset; ignore */
8818 if (appData.debugMode) {
8819 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8826 /* Extra move after we tried to stop. The mode test is
8827 not a reliable way of detecting this problem, but it's
8828 the best we can do on engines that don't support ping.
8830 if (appData.debugMode) {
8831 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8832 cps->which, gameMode);
8834 SendToProgram("undo\n", cps);
8837 case MachinePlaysWhite:
8838 case IcsPlayingWhite:
8839 machineWhite = TRUE;
8842 case MachinePlaysBlack:
8843 case IcsPlayingBlack:
8844 machineWhite = FALSE;
8847 case TwoMachinesPlay:
8848 machineWhite = (cps->twoMachinesColor[0] == 'w');
8851 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8852 if (appData.debugMode) {
8854 "Ignoring move out of turn by %s, gameMode %d"
8855 ", forwardMost %d\n",
8856 cps->which, gameMode, forwardMostMove);
8862 if(cps->alphaRank) AlphaRank(machineMove, 4);
8864 // [HGM] lion: (some very limited) support for Alien protocol
8865 killX = killY = kill2X = kill2Y = -1;
8866 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8867 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8868 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8871 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8872 char *q = strchr(p+1, ','); // second comma?
8873 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8874 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8875 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8877 if(firstLeg[0]) { // there was a previous leg;
8878 // only support case where same piece makes two step
8879 char buf[20], *p = machineMove+1, *q = buf+1, f;
8880 safeStrCpy(buf, machineMove, 20);
8881 while(isdigit(*q)) q++; // find start of to-square
8882 safeStrCpy(machineMove, firstLeg, 20);
8883 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8884 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
8885 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)
8886 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8887 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8888 firstLeg[0] = NULLCHAR; legs = 0;
8891 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8892 &fromX, &fromY, &toX, &toY, &promoChar)) {
8893 /* Machine move could not be parsed; ignore it. */
8894 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8895 machineMove, _(cps->which));
8896 DisplayMoveError(buf1);
8897 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8898 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8899 if (gameMode == TwoMachinesPlay) {
8900 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8906 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8907 /* So we have to redo legality test with true e.p. status here, */
8908 /* to make sure an illegal e.p. capture does not slip through, */
8909 /* to cause a forfeit on a justified illegal-move complaint */
8910 /* of the opponent. */
8911 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8913 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8914 fromY, fromX, toY, toX, promoChar);
8915 if(moveType == IllegalMove) {
8916 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8917 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8918 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8921 } else if(!appData.fischerCastling)
8922 /* [HGM] Kludge to handle engines that send FRC-style castling
8923 when they shouldn't (like TSCP-Gothic) */
8925 case WhiteASideCastleFR:
8926 case BlackASideCastleFR:
8928 currentMoveString[2]++;
8930 case WhiteHSideCastleFR:
8931 case BlackHSideCastleFR:
8933 currentMoveString[2]--;
8935 default: ; // nothing to do, but suppresses warning of pedantic compilers
8938 hintRequested = FALSE;
8939 lastHint[0] = NULLCHAR;
8940 bookRequested = FALSE;
8941 /* Program may be pondering now */
8942 cps->maybeThinking = TRUE;
8943 if (cps->sendTime == 2) cps->sendTime = 1;
8944 if (cps->offeredDraw) cps->offeredDraw--;
8946 /* [AS] Save move info*/
8947 pvInfoList[ forwardMostMove ].score = programStats.score;
8948 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8949 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8951 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8953 /* Test suites abort the 'game' after one move */
8954 if(*appData.finger) {
8956 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8957 if(!f) f = fopen(appData.finger, "w");
8958 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8959 else { DisplayFatalError("Bad output file", errno, 0); return; }
8961 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8964 if(solvingTime >= 0) {
8965 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8966 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8968 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8969 if(solvingTime == -2) second.matchWins++;
8971 OutputKibitz(2, buf1);
8972 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8975 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8976 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8979 while( count < adjudicateLossPlies ) {
8980 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8983 score = -score; /* Flip score for winning side */
8986 if( score > appData.adjudicateLossThreshold ) {
8993 if( count >= adjudicateLossPlies ) {
8994 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8996 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8997 "Xboard adjudication",
9004 if(Adjudicate(cps)) {
9005 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9006 return; // [HGM] adjudicate: for all automatic game ends
9010 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9012 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9013 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9015 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9017 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9019 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9020 char buf[3*MSG_SIZ];
9022 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9023 programStats.score / 100.,
9025 programStats.time / 100.,
9026 (unsigned int)programStats.nodes,
9027 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9028 programStats.movelist);
9034 /* [AS] Clear stats for next move */
9035 ClearProgramStats();
9036 thinkOutput[0] = NULLCHAR;
9037 hiddenThinkOutputState = 0;
9040 if (gameMode == TwoMachinesPlay) {
9041 /* [HGM] relaying draw offers moved to after reception of move */
9042 /* and interpreting offer as claim if it brings draw condition */
9043 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9044 SendToProgram("draw\n", cps->other);
9046 if (cps->other->sendTime) {
9047 SendTimeRemaining(cps->other,
9048 cps->other->twoMachinesColor[0] == 'w');
9050 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9051 if (firstMove && !bookHit) {
9053 if (cps->other->useColors) {
9054 SendToProgram(cps->other->twoMachinesColor, cps->other);
9056 SendToProgram("go\n", cps->other);
9058 cps->other->maybeThinking = TRUE;
9061 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9063 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9065 if (!pausing && appData.ringBellAfterMoves) {
9066 if(!roar) RingBell();
9070 * Reenable menu items that were disabled while
9071 * machine was thinking
9073 if (gameMode != TwoMachinesPlay)
9074 SetUserThinkingEnables();
9076 // [HGM] book: after book hit opponent has received move and is now in force mode
9077 // force the book reply into it, and then fake that it outputted this move by jumping
9078 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9080 static char bookMove[MSG_SIZ]; // a bit generous?
9082 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9083 strcat(bookMove, bookHit);
9086 programStats.nodes = programStats.depth = programStats.time =
9087 programStats.score = programStats.got_only_move = 0;
9088 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9090 if(cps->lastPing != cps->lastPong) {
9091 savedMessage = message; // args for deferred call
9093 ScheduleDelayedEvent(DeferredBookMove, 10);
9102 /* Set special modes for chess engines. Later something general
9103 * could be added here; for now there is just one kludge feature,
9104 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9105 * when "xboard" is given as an interactive command.
9107 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9108 cps->useSigint = FALSE;
9109 cps->useSigterm = FALSE;
9111 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9112 ParseFeatures(message+8, cps);
9113 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9116 if (!strncmp(message, "setup ", 6) &&
9117 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9118 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9119 ) { // [HGM] allow first engine to define opening position
9120 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9121 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9123 if(sscanf(message, "setup (%s", buf) == 1) {
9124 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9125 ASSIGN(appData.pieceToCharTable, buf);
9127 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9129 while(message[s] && message[s++] != ' ');
9130 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9131 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9132 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9133 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9134 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9135 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9136 startedFromSetupPosition = FALSE;
9139 if(startedFromSetupPosition) return;
9140 ParseFEN(boards[0], &dummy, message+s, FALSE);
9141 DrawPosition(TRUE, boards[0]);
9142 CopyBoard(initialPosition, boards[0]);
9143 startedFromSetupPosition = TRUE;
9146 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9147 ChessSquare piece = WhitePawn;
9148 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9149 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9150 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9151 piece += CharToPiece(ID & 255) - WhitePawn;
9152 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9153 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9154 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9155 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9156 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9157 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9158 && gameInfo.variant != VariantGreat
9159 && gameInfo.variant != VariantFairy ) return;
9160 if(piece < EmptySquare) {
9162 ASSIGN(pieceDesc[piece], buf1);
9163 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9167 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9168 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9172 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9173 * want this, I was asked to put it in, and obliged.
9175 if (!strncmp(message, "setboard ", 9)) {
9176 Board initial_position;
9178 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9180 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9181 DisplayError(_("Bad FEN received from engine"), 0);
9185 CopyBoard(boards[0], initial_position);
9186 initialRulePlies = FENrulePlies;
9187 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9188 else gameMode = MachinePlaysBlack;
9189 DrawPosition(FALSE, boards[currentMove]);
9195 * Look for communication commands
9197 if (!strncmp(message, "telluser ", 9)) {
9198 if(message[9] == '\\' && message[10] == '\\')
9199 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9201 DisplayNote(message + 9);
9204 if (!strncmp(message, "tellusererror ", 14)) {
9206 if(message[14] == '\\' && message[15] == '\\')
9207 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9209 DisplayError(message + 14, 0);
9212 if (!strncmp(message, "tellopponent ", 13)) {
9213 if (appData.icsActive) {
9215 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9219 DisplayNote(message + 13);
9223 if (!strncmp(message, "tellothers ", 11)) {
9224 if (appData.icsActive) {
9226 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9229 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9232 if (!strncmp(message, "tellall ", 8)) {
9233 if (appData.icsActive) {
9235 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9239 DisplayNote(message + 8);
9243 if (strncmp(message, "warning", 7) == 0) {
9244 /* Undocumented feature, use tellusererror in new code */
9245 DisplayError(message, 0);
9248 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9249 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9250 strcat(realname, " query");
9251 AskQuestion(realname, buf2, buf1, cps->pr);
9254 /* Commands from the engine directly to ICS. We don't allow these to be
9255 * sent until we are logged on. Crafty kibitzes have been known to
9256 * interfere with the login process.
9259 if (!strncmp(message, "tellics ", 8)) {
9260 SendToICS(message + 8);
9264 if (!strncmp(message, "tellicsnoalias ", 15)) {
9265 SendToICS(ics_prefix);
9266 SendToICS(message + 15);
9270 /* The following are for backward compatibility only */
9271 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9272 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9273 SendToICS(ics_prefix);
9279 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9280 if(initPing == cps->lastPong) {
9281 if(gameInfo.variant == VariantUnknown) {
9282 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9283 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9284 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9288 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9289 abortEngineThink = FALSE;
9290 DisplayMessage("", "");
9295 if(!strncmp(message, "highlight ", 10)) {
9296 if(appData.testLegality && !*engineVariant && appData.markers) return;
9297 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9300 if(!strncmp(message, "click ", 6)) {
9301 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9302 if(appData.testLegality || !appData.oneClick) return;
9303 sscanf(message+6, "%c%d%c", &f, &y, &c);
9304 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9305 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9306 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9307 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9308 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9309 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9310 LeftClick(Release, lastLeftX, lastLeftY);
9311 controlKey = (c == ',');
9312 LeftClick(Press, x, y);
9313 LeftClick(Release, x, y);
9314 first.highlight = f;
9318 * If the move is illegal, cancel it and redraw the board.
9319 * Also deal with other error cases. Matching is rather loose
9320 * here to accommodate engines written before the spec.
9322 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9323 strncmp(message, "Error", 5) == 0) {
9324 if (StrStr(message, "name") ||
9325 StrStr(message, "rating") || StrStr(message, "?") ||
9326 StrStr(message, "result") || StrStr(message, "board") ||
9327 StrStr(message, "bk") || StrStr(message, "computer") ||
9328 StrStr(message, "variant") || StrStr(message, "hint") ||
9329 StrStr(message, "random") || StrStr(message, "depth") ||
9330 StrStr(message, "accepted")) {
9333 if (StrStr(message, "protover")) {
9334 /* Program is responding to input, so it's apparently done
9335 initializing, and this error message indicates it is
9336 protocol version 1. So we don't need to wait any longer
9337 for it to initialize and send feature commands. */
9338 FeatureDone(cps, 1);
9339 cps->protocolVersion = 1;
9342 cps->maybeThinking = FALSE;
9344 if (StrStr(message, "draw")) {
9345 /* Program doesn't have "draw" command */
9346 cps->sendDrawOffers = 0;
9349 if (cps->sendTime != 1 &&
9350 (StrStr(message, "time") || StrStr(message, "otim"))) {
9351 /* Program apparently doesn't have "time" or "otim" command */
9355 if (StrStr(message, "analyze")) {
9356 cps->analysisSupport = FALSE;
9357 cps->analyzing = FALSE;
9358 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9359 EditGameEvent(); // [HGM] try to preserve loaded game
9360 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9361 DisplayError(buf2, 0);
9364 if (StrStr(message, "(no matching move)st")) {
9365 /* Special kludge for GNU Chess 4 only */
9366 cps->stKludge = TRUE;
9367 SendTimeControl(cps, movesPerSession, timeControl,
9368 timeIncrement, appData.searchDepth,
9372 if (StrStr(message, "(no matching move)sd")) {
9373 /* Special kludge for GNU Chess 4 only */
9374 cps->sdKludge = TRUE;
9375 SendTimeControl(cps, movesPerSession, timeControl,
9376 timeIncrement, appData.searchDepth,
9380 if (!StrStr(message, "llegal")) {
9383 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9384 gameMode == IcsIdle) return;
9385 if (forwardMostMove <= backwardMostMove) return;
9386 if (pausing) PauseEvent();
9387 if(appData.forceIllegal) {
9388 // [HGM] illegal: machine refused move; force position after move into it
9389 SendToProgram("force\n", cps);
9390 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9391 // we have a real problem now, as SendBoard will use the a2a3 kludge
9392 // when black is to move, while there might be nothing on a2 or black
9393 // might already have the move. So send the board as if white has the move.
9394 // But first we must change the stm of the engine, as it refused the last move
9395 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9396 if(WhiteOnMove(forwardMostMove)) {
9397 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9398 SendBoard(cps, forwardMostMove); // kludgeless board
9400 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9401 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9402 SendBoard(cps, forwardMostMove+1); // kludgeless board
9404 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9405 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9406 gameMode == TwoMachinesPlay)
9407 SendToProgram("go\n", cps);
9410 if (gameMode == PlayFromGameFile) {
9411 /* Stop reading this game file */
9412 gameMode = EditGame;
9415 /* [HGM] illegal-move claim should forfeit game when Xboard */
9416 /* only passes fully legal moves */
9417 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9418 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9419 "False illegal-move claim", GE_XBOARD );
9420 return; // do not take back move we tested as valid
9422 currentMove = forwardMostMove-1;
9423 DisplayMove(currentMove-1); /* before DisplayMoveError */
9424 SwitchClocks(forwardMostMove-1); // [HGM] race
9425 DisplayBothClocks();
9426 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9427 parseList[currentMove], _(cps->which));
9428 DisplayMoveError(buf1);
9429 DrawPosition(FALSE, boards[currentMove]);
9431 SetUserThinkingEnables();
9434 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9435 /* Program has a broken "time" command that
9436 outputs a string not ending in newline.
9440 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9441 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9442 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9446 * If chess program startup fails, exit with an error message.
9447 * Attempts to recover here are futile. [HGM] Well, we try anyway
9449 if ((StrStr(message, "unknown host") != NULL)
9450 || (StrStr(message, "No remote directory") != NULL)
9451 || (StrStr(message, "not found") != NULL)
9452 || (StrStr(message, "No such file") != NULL)
9453 || (StrStr(message, "can't alloc") != NULL)
9454 || (StrStr(message, "Permission denied") != NULL)) {
9456 cps->maybeThinking = FALSE;
9457 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9458 _(cps->which), cps->program, cps->host, message);
9459 RemoveInputSource(cps->isr);
9460 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9461 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9462 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9468 * Look for hint output
9470 if (sscanf(message, "Hint: %s", buf1) == 1) {
9471 if (cps == &first && hintRequested) {
9472 hintRequested = FALSE;
9473 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9474 &fromX, &fromY, &toX, &toY, &promoChar)) {
9475 (void) CoordsToAlgebraic(boards[forwardMostMove],
9476 PosFlags(forwardMostMove),
9477 fromY, fromX, toY, toX, promoChar, buf1);
9478 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9479 DisplayInformation(buf2);
9481 /* Hint move could not be parsed!? */
9482 snprintf(buf2, sizeof(buf2),
9483 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9484 buf1, _(cps->which));
9485 DisplayError(buf2, 0);
9488 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9494 * Ignore other messages if game is not in progress
9496 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9497 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9500 * look for win, lose, draw, or draw offer
9502 if (strncmp(message, "1-0", 3) == 0) {
9503 char *p, *q, *r = "";
9504 p = strchr(message, '{');
9512 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9514 } else if (strncmp(message, "0-1", 3) == 0) {
9515 char *p, *q, *r = "";
9516 p = strchr(message, '{');
9524 /* Kludge for Arasan 4.1 bug */
9525 if (strcmp(r, "Black resigns") == 0) {
9526 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9529 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9531 } else if (strncmp(message, "1/2", 3) == 0) {
9532 char *p, *q, *r = "";
9533 p = strchr(message, '{');
9542 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9545 } else if (strncmp(message, "White resign", 12) == 0) {
9546 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9548 } else if (strncmp(message, "Black resign", 12) == 0) {
9549 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9551 } else if (strncmp(message, "White matches", 13) == 0 ||
9552 strncmp(message, "Black matches", 13) == 0 ) {
9553 /* [HGM] ignore GNUShogi noises */
9555 } else if (strncmp(message, "White", 5) == 0 &&
9556 message[5] != '(' &&
9557 StrStr(message, "Black") == NULL) {
9558 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9560 } else if (strncmp(message, "Black", 5) == 0 &&
9561 message[5] != '(') {
9562 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9564 } else if (strcmp(message, "resign") == 0 ||
9565 strcmp(message, "computer resigns") == 0) {
9567 case MachinePlaysBlack:
9568 case IcsPlayingBlack:
9569 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9571 case MachinePlaysWhite:
9572 case IcsPlayingWhite:
9573 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9575 case TwoMachinesPlay:
9576 if (cps->twoMachinesColor[0] == 'w')
9577 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9579 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9586 } else if (strncmp(message, "opponent mates", 14) == 0) {
9588 case MachinePlaysBlack:
9589 case IcsPlayingBlack:
9590 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9592 case MachinePlaysWhite:
9593 case IcsPlayingWhite:
9594 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9596 case TwoMachinesPlay:
9597 if (cps->twoMachinesColor[0] == 'w')
9598 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9600 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9607 } else if (strncmp(message, "computer mates", 14) == 0) {
9609 case MachinePlaysBlack:
9610 case IcsPlayingBlack:
9611 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9613 case MachinePlaysWhite:
9614 case IcsPlayingWhite:
9615 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9617 case TwoMachinesPlay:
9618 if (cps->twoMachinesColor[0] == 'w')
9619 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9621 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9628 } else if (strncmp(message, "checkmate", 9) == 0) {
9629 if (WhiteOnMove(forwardMostMove)) {
9630 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9632 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9635 } else if (strstr(message, "Draw") != NULL ||
9636 strstr(message, "game is a draw") != NULL) {
9637 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9639 } else if (strstr(message, "offer") != NULL &&
9640 strstr(message, "draw") != NULL) {
9642 if (appData.zippyPlay && first.initDone) {
9643 /* Relay offer to ICS */
9644 SendToICS(ics_prefix);
9645 SendToICS("draw\n");
9648 cps->offeredDraw = 2; /* valid until this engine moves twice */
9649 if (gameMode == TwoMachinesPlay) {
9650 if (cps->other->offeredDraw) {
9651 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9652 /* [HGM] in two-machine mode we delay relaying draw offer */
9653 /* until after we also have move, to see if it is really claim */
9655 } else if (gameMode == MachinePlaysWhite ||
9656 gameMode == MachinePlaysBlack) {
9657 if (userOfferedDraw) {
9658 DisplayInformation(_("Machine accepts your draw offer"));
9659 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9661 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9668 * Look for thinking output
9670 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9671 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9673 int plylev, mvleft, mvtot, curscore, time;
9674 char mvname[MOVE_LEN];
9678 int prefixHint = FALSE;
9679 mvname[0] = NULLCHAR;
9682 case MachinePlaysBlack:
9683 case IcsPlayingBlack:
9684 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9686 case MachinePlaysWhite:
9687 case IcsPlayingWhite:
9688 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9693 case IcsObserving: /* [DM] icsEngineAnalyze */
9694 if (!appData.icsEngineAnalyze) ignore = TRUE;
9696 case TwoMachinesPlay:
9697 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9707 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9710 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9711 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9712 char score_buf[MSG_SIZ];
9714 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9715 nodes += u64Const(0x100000000);
9717 if (plyext != ' ' && plyext != '\t') {
9721 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9722 if( cps->scoreIsAbsolute &&
9723 ( gameMode == MachinePlaysBlack ||
9724 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9725 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9726 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9727 !WhiteOnMove(currentMove)
9730 curscore = -curscore;
9733 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9735 if(*bestMove) { // rememer time best EPD move was first found
9736 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9737 ChessMove mt; char *p = bestMove;
9738 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9740 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9741 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9742 solvingTime = (solvingTime < 0 ? time : solvingTime);
9746 while(*p && *p != ' ') p++;
9747 while(*p == ' ') p++;
9749 if(!solved) solvingTime = -1;
9751 if(*avoidMove && !solved) {
9752 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9753 ChessMove mt; char *p = avoidMove, solved = 1;
9754 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9755 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9756 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9757 solved = 0; solvingTime = -2;
9760 while(*p && *p != ' ') p++;
9761 while(*p == ' ') p++;
9763 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9766 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9769 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9770 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9771 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9772 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9773 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9774 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9778 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9779 DisplayError(_("failed writing PV"), 0);
9782 tempStats.depth = plylev;
9783 tempStats.nodes = nodes;
9784 tempStats.time = time;
9785 tempStats.score = curscore;
9786 tempStats.got_only_move = 0;
9788 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9791 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9792 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9793 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9794 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9795 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9796 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9797 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9798 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9801 /* Buffer overflow protection */
9802 if (pv[0] != NULLCHAR) {
9803 if (strlen(pv) >= sizeof(tempStats.movelist)
9804 && appData.debugMode) {
9806 "PV is too long; using the first %u bytes.\n",
9807 (unsigned) sizeof(tempStats.movelist) - 1);
9810 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9812 sprintf(tempStats.movelist, " no PV\n");
9815 if (tempStats.seen_stat) {
9816 tempStats.ok_to_send = 1;
9819 if (strchr(tempStats.movelist, '(') != NULL) {
9820 tempStats.line_is_book = 1;
9821 tempStats.nr_moves = 0;
9822 tempStats.moves_left = 0;
9824 tempStats.line_is_book = 0;
9827 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9828 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9830 SendProgramStatsToFrontend( cps, &tempStats );
9833 [AS] Protect the thinkOutput buffer from overflow... this
9834 is only useful if buf1 hasn't overflowed first!
9836 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9837 if(curscore >= MATE_SCORE)
9838 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9839 else if(curscore <= -MATE_SCORE)
9840 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9842 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9843 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9845 (gameMode == TwoMachinesPlay ?
9846 ToUpper(cps->twoMachinesColor[0]) : ' '),
9848 prefixHint ? lastHint : "",
9849 prefixHint ? " " : "" );
9851 if( buf1[0] != NULLCHAR ) {
9852 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9854 if( strlen(pv) > max_len ) {
9855 if( appData.debugMode) {
9856 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9858 pv[max_len+1] = '\0';
9861 strcat( thinkOutput, pv);
9864 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9865 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9866 DisplayMove(currentMove - 1);
9870 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9871 /* crafty (9.25+) says "(only move) <move>"
9872 * if there is only 1 legal move
9874 sscanf(p, "(only move) %s", buf1);
9875 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9876 sprintf(programStats.movelist, "%s (only move)", buf1);
9877 programStats.depth = 1;
9878 programStats.nr_moves = 1;
9879 programStats.moves_left = 1;
9880 programStats.nodes = 1;
9881 programStats.time = 1;
9882 programStats.got_only_move = 1;
9884 /* Not really, but we also use this member to
9885 mean "line isn't going to change" (Crafty
9886 isn't searching, so stats won't change) */
9887 programStats.line_is_book = 1;
9889 SendProgramStatsToFrontend( cps, &programStats );
9891 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9892 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9893 DisplayMove(currentMove - 1);
9896 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9897 &time, &nodes, &plylev, &mvleft,
9898 &mvtot, mvname) >= 5) {
9899 /* The stat01: line is from Crafty (9.29+) in response
9900 to the "." command */
9901 programStats.seen_stat = 1;
9902 cps->maybeThinking = TRUE;
9904 if (programStats.got_only_move || !appData.periodicUpdates)
9907 programStats.depth = plylev;
9908 programStats.time = time;
9909 programStats.nodes = nodes;
9910 programStats.moves_left = mvleft;
9911 programStats.nr_moves = mvtot;
9912 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9913 programStats.ok_to_send = 1;
9914 programStats.movelist[0] = '\0';
9916 SendProgramStatsToFrontend( cps, &programStats );
9920 } else if (strncmp(message,"++",2) == 0) {
9921 /* Crafty 9.29+ outputs this */
9922 programStats.got_fail = 2;
9925 } else if (strncmp(message,"--",2) == 0) {
9926 /* Crafty 9.29+ outputs this */
9927 programStats.got_fail = 1;
9930 } else if (thinkOutput[0] != NULLCHAR &&
9931 strncmp(message, " ", 4) == 0) {
9932 unsigned message_len;
9935 while (*p && *p == ' ') p++;
9937 message_len = strlen( p );
9939 /* [AS] Avoid buffer overflow */
9940 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9941 strcat(thinkOutput, " ");
9942 strcat(thinkOutput, p);
9945 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9946 strcat(programStats.movelist, " ");
9947 strcat(programStats.movelist, p);
9950 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9951 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9952 DisplayMove(currentMove - 1);
9960 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9961 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9963 ChessProgramStats cpstats;
9965 if (plyext != ' ' && plyext != '\t') {
9969 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9970 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9971 curscore = -curscore;
9974 cpstats.depth = plylev;
9975 cpstats.nodes = nodes;
9976 cpstats.time = time;
9977 cpstats.score = curscore;
9978 cpstats.got_only_move = 0;
9979 cpstats.movelist[0] = '\0';
9981 if (buf1[0] != NULLCHAR) {
9982 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9985 cpstats.ok_to_send = 0;
9986 cpstats.line_is_book = 0;
9987 cpstats.nr_moves = 0;
9988 cpstats.moves_left = 0;
9990 SendProgramStatsToFrontend( cps, &cpstats );
9997 /* Parse a game score from the character string "game", and
9998 record it as the history of the current game. The game
9999 score is NOT assumed to start from the standard position.
10000 The display is not updated in any way.
10003 ParseGameHistory (char *game)
10005 ChessMove moveType;
10006 int fromX, fromY, toX, toY, boardIndex;
10011 if (appData.debugMode)
10012 fprintf(debugFP, "Parsing game history: %s\n", game);
10014 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10015 gameInfo.site = StrSave(appData.icsHost);
10016 gameInfo.date = PGNDate();
10017 gameInfo.round = StrSave("-");
10019 /* Parse out names of players */
10020 while (*game == ' ') game++;
10022 while (*game != ' ') *p++ = *game++;
10024 gameInfo.white = StrSave(buf);
10025 while (*game == ' ') game++;
10027 while (*game != ' ' && *game != '\n') *p++ = *game++;
10029 gameInfo.black = StrSave(buf);
10032 boardIndex = blackPlaysFirst ? 1 : 0;
10035 yyboardindex = boardIndex;
10036 moveType = (ChessMove) Myylex();
10037 switch (moveType) {
10038 case IllegalMove: /* maybe suicide chess, etc. */
10039 if (appData.debugMode) {
10040 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10041 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10042 setbuf(debugFP, NULL);
10044 case WhitePromotion:
10045 case BlackPromotion:
10046 case WhiteNonPromotion:
10047 case BlackNonPromotion:
10050 case WhiteCapturesEnPassant:
10051 case BlackCapturesEnPassant:
10052 case WhiteKingSideCastle:
10053 case WhiteQueenSideCastle:
10054 case BlackKingSideCastle:
10055 case BlackQueenSideCastle:
10056 case WhiteKingSideCastleWild:
10057 case WhiteQueenSideCastleWild:
10058 case BlackKingSideCastleWild:
10059 case BlackQueenSideCastleWild:
10061 case WhiteHSideCastleFR:
10062 case WhiteASideCastleFR:
10063 case BlackHSideCastleFR:
10064 case BlackASideCastleFR:
10066 fromX = currentMoveString[0] - AAA;
10067 fromY = currentMoveString[1] - ONE;
10068 toX = currentMoveString[2] - AAA;
10069 toY = currentMoveString[3] - ONE;
10070 promoChar = currentMoveString[4];
10074 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10075 fromX = moveType == WhiteDrop ?
10076 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10077 (int) CharToPiece(ToLower(currentMoveString[0]));
10079 toX = currentMoveString[2] - AAA;
10080 toY = currentMoveString[3] - ONE;
10081 promoChar = NULLCHAR;
10083 case AmbiguousMove:
10085 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10086 if (appData.debugMode) {
10087 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10088 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10089 setbuf(debugFP, NULL);
10091 DisplayError(buf, 0);
10093 case ImpossibleMove:
10095 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10096 if (appData.debugMode) {
10097 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10098 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10099 setbuf(debugFP, NULL);
10101 DisplayError(buf, 0);
10104 if (boardIndex < backwardMostMove) {
10105 /* Oops, gap. How did that happen? */
10106 DisplayError(_("Gap in move list"), 0);
10109 backwardMostMove = blackPlaysFirst ? 1 : 0;
10110 if (boardIndex > forwardMostMove) {
10111 forwardMostMove = boardIndex;
10115 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10116 strcat(parseList[boardIndex-1], " ");
10117 strcat(parseList[boardIndex-1], yy_text);
10129 case GameUnfinished:
10130 if (gameMode == IcsExamining) {
10131 if (boardIndex < backwardMostMove) {
10132 /* Oops, gap. How did that happen? */
10135 backwardMostMove = blackPlaysFirst ? 1 : 0;
10138 gameInfo.result = moveType;
10139 p = strchr(yy_text, '{');
10140 if (p == NULL) p = strchr(yy_text, '(');
10143 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10145 q = strchr(p, *p == '{' ? '}' : ')');
10146 if (q != NULL) *q = NULLCHAR;
10149 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10150 gameInfo.resultDetails = StrSave(p);
10153 if (boardIndex >= forwardMostMove &&
10154 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10155 backwardMostMove = blackPlaysFirst ? 1 : 0;
10158 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10159 fromY, fromX, toY, toX, promoChar,
10160 parseList[boardIndex]);
10161 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10162 /* currentMoveString is set as a side-effect of yylex */
10163 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10164 strcat(moveList[boardIndex], "\n");
10166 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10167 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10173 if(!IS_SHOGI(gameInfo.variant))
10174 strcat(parseList[boardIndex - 1], "+");
10178 strcat(parseList[boardIndex - 1], "#");
10185 /* Apply a move to the given board */
10187 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10189 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10190 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10192 /* [HGM] compute & store e.p. status and castling rights for new position */
10193 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10195 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10196 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10197 board[EP_STATUS] = EP_NONE;
10198 board[EP_FILE] = board[EP_RANK] = 100;
10200 if (fromY == DROP_RANK) {
10201 /* must be first */
10202 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10203 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10206 piece = board[toY][toX] = (ChessSquare) fromX;
10208 // ChessSquare victim;
10211 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10212 // victim = board[killY][killX],
10213 killed = board[killY][killX],
10214 board[killY][killX] = EmptySquare,
10215 board[EP_STATUS] = EP_CAPTURE;
10216 if( kill2X >= 0 && kill2Y >= 0)
10217 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10220 if( board[toY][toX] != EmptySquare ) {
10221 board[EP_STATUS] = EP_CAPTURE;
10222 if( (fromX != toX || fromY != toY) && // not igui!
10223 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10224 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10225 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10229 pawn = board[fromY][fromX];
10230 if( pawn == WhiteLance || pawn == BlackLance ) {
10231 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10232 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10233 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10236 if( pawn == WhitePawn ) {
10237 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10238 board[EP_STATUS] = EP_PAWN_MOVE;
10239 if( toY-fromY>=2) {
10240 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10241 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10242 gameInfo.variant != VariantBerolina || toX < fromX)
10243 board[EP_STATUS] = toX | berolina;
10244 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10245 gameInfo.variant != VariantBerolina || toX > fromX)
10246 board[EP_STATUS] = toX;
10249 if( pawn == BlackPawn ) {
10250 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10251 board[EP_STATUS] = EP_PAWN_MOVE;
10252 if( toY-fromY<= -2) {
10253 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10254 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10255 gameInfo.variant != VariantBerolina || toX < fromX)
10256 board[EP_STATUS] = toX | berolina;
10257 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10258 gameInfo.variant != VariantBerolina || toX > fromX)
10259 board[EP_STATUS] = toX;
10263 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10264 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10265 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10266 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10268 for(i=0; i<nrCastlingRights; i++) {
10269 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10270 board[CASTLING][i] == toX && castlingRank[i] == toY
10271 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10274 if(gameInfo.variant == VariantSChess) { // update virginity
10275 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10276 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10277 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10278 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10281 if (fromX == toX && fromY == toY && killX < 0) return;
10283 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10284 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10285 if(gameInfo.variant == VariantKnightmate)
10286 king += (int) WhiteUnicorn - (int) WhiteKing;
10288 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10289 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10290 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10291 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10292 board[EP_STATUS] = EP_NONE; // capture was fake!
10294 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10295 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10296 board[toY][toX] = piece;
10297 board[EP_STATUS] = EP_NONE; // capture was fake!
10299 /* Code added by Tord: */
10300 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10301 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10302 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10303 board[EP_STATUS] = EP_NONE; // capture was fake!
10304 board[fromY][fromX] = EmptySquare;
10305 board[toY][toX] = EmptySquare;
10306 if((toX > fromX) != (piece == WhiteRook)) {
10307 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10309 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10311 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10312 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10313 board[EP_STATUS] = EP_NONE;
10314 board[fromY][fromX] = EmptySquare;
10315 board[toY][toX] = EmptySquare;
10316 if((toX > fromX) != (piece == BlackRook)) {
10317 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10319 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10321 /* End of code added by Tord */
10323 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10324 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10325 board[toY][toX] = piece;
10326 } else if (board[fromY][fromX] == king
10327 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10328 && toY == fromY && toX > fromX+1) {
10329 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10330 ; // castle with nearest piece
10331 board[fromY][toX-1] = board[fromY][rookX];
10332 board[fromY][rookX] = EmptySquare;
10333 board[fromY][fromX] = EmptySquare;
10334 board[toY][toX] = king;
10335 } else if (board[fromY][fromX] == king
10336 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10337 && toY == fromY && toX < fromX-1) {
10338 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10339 ; // castle with nearest piece
10340 board[fromY][toX+1] = board[fromY][rookX];
10341 board[fromY][rookX] = EmptySquare;
10342 board[fromY][fromX] = EmptySquare;
10343 board[toY][toX] = king;
10344 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10345 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10346 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10348 /* white pawn promotion */
10349 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10350 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10351 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10352 board[fromY][fromX] = EmptySquare;
10353 } else if ((fromY >= BOARD_HEIGHT>>1)
10354 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10356 && gameInfo.variant != VariantXiangqi
10357 && gameInfo.variant != VariantBerolina
10358 && (pawn == WhitePawn)
10359 && (board[toY][toX] == EmptySquare)) {
10360 board[fromY][fromX] = EmptySquare;
10361 board[toY][toX] = piece;
10362 if(toY == epRank - 128 + 1)
10363 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10365 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10366 } else if ((fromY == BOARD_HEIGHT-4)
10368 && gameInfo.variant == VariantBerolina
10369 && (board[fromY][fromX] == WhitePawn)
10370 && (board[toY][toX] == EmptySquare)) {
10371 board[fromY][fromX] = EmptySquare;
10372 board[toY][toX] = WhitePawn;
10373 if(oldEP & EP_BEROLIN_A) {
10374 captured = board[fromY][fromX-1];
10375 board[fromY][fromX-1] = EmptySquare;
10376 }else{ captured = board[fromY][fromX+1];
10377 board[fromY][fromX+1] = EmptySquare;
10379 } else if (board[fromY][fromX] == king
10380 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10381 && toY == fromY && toX > fromX+1) {
10382 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10384 board[fromY][toX-1] = board[fromY][rookX];
10385 board[fromY][rookX] = EmptySquare;
10386 board[fromY][fromX] = EmptySquare;
10387 board[toY][toX] = king;
10388 } else if (board[fromY][fromX] == king
10389 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10390 && toY == fromY && toX < fromX-1) {
10391 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10393 board[fromY][toX+1] = board[fromY][rookX];
10394 board[fromY][rookX] = EmptySquare;
10395 board[fromY][fromX] = EmptySquare;
10396 board[toY][toX] = king;
10397 } else if (fromY == 7 && fromX == 3
10398 && board[fromY][fromX] == BlackKing
10399 && toY == 7 && toX == 5) {
10400 board[fromY][fromX] = EmptySquare;
10401 board[toY][toX] = BlackKing;
10402 board[fromY][7] = EmptySquare;
10403 board[toY][4] = BlackRook;
10404 } else if (fromY == 7 && fromX == 3
10405 && board[fromY][fromX] == BlackKing
10406 && toY == 7 && toX == 1) {
10407 board[fromY][fromX] = EmptySquare;
10408 board[toY][toX] = BlackKing;
10409 board[fromY][0] = EmptySquare;
10410 board[toY][2] = BlackRook;
10411 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10412 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10413 && toY < promoRank && promoChar
10415 /* black pawn promotion */
10416 board[toY][toX] = CharToPiece(ToLower(promoChar));
10417 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10418 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10419 board[fromY][fromX] = EmptySquare;
10420 } else if ((fromY < BOARD_HEIGHT>>1)
10421 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10423 && gameInfo.variant != VariantXiangqi
10424 && gameInfo.variant != VariantBerolina
10425 && (pawn == BlackPawn)
10426 && (board[toY][toX] == EmptySquare)) {
10427 board[fromY][fromX] = EmptySquare;
10428 board[toY][toX] = piece;
10429 if(toY == epRank - 128 - 1)
10430 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10432 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10433 } else if ((fromY == 3)
10435 && gameInfo.variant == VariantBerolina
10436 && (board[fromY][fromX] == BlackPawn)
10437 && (board[toY][toX] == EmptySquare)) {
10438 board[fromY][fromX] = EmptySquare;
10439 board[toY][toX] = BlackPawn;
10440 if(oldEP & EP_BEROLIN_A) {
10441 captured = board[fromY][fromX-1];
10442 board[fromY][fromX-1] = EmptySquare;
10443 }else{ captured = board[fromY][fromX+1];
10444 board[fromY][fromX+1] = EmptySquare;
10447 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10448 board[fromY][fromX] = EmptySquare;
10449 board[toY][toX] = piece;
10453 if (gameInfo.holdingsWidth != 0) {
10455 /* !!A lot more code needs to be written to support holdings */
10456 /* [HGM] OK, so I have written it. Holdings are stored in the */
10457 /* penultimate board files, so they are automaticlly stored */
10458 /* in the game history. */
10459 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10460 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10461 /* Delete from holdings, by decreasing count */
10462 /* and erasing image if necessary */
10463 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10464 if(p < (int) BlackPawn) { /* white drop */
10465 p -= (int)WhitePawn;
10466 p = PieceToNumber((ChessSquare)p);
10467 if(p >= gameInfo.holdingsSize) p = 0;
10468 if(--board[p][BOARD_WIDTH-2] <= 0)
10469 board[p][BOARD_WIDTH-1] = EmptySquare;
10470 if((int)board[p][BOARD_WIDTH-2] < 0)
10471 board[p][BOARD_WIDTH-2] = 0;
10472 } else { /* black drop */
10473 p -= (int)BlackPawn;
10474 p = PieceToNumber((ChessSquare)p);
10475 if(p >= gameInfo.holdingsSize) p = 0;
10476 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10477 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10478 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10479 board[BOARD_HEIGHT-1-p][1] = 0;
10482 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10483 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10484 /* [HGM] holdings: Add to holdings, if holdings exist */
10485 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10486 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10487 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10489 p = (int) captured;
10490 if (p >= (int) BlackPawn) {
10491 p -= (int)BlackPawn;
10492 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10493 /* Restore shogi-promoted piece to its original first */
10494 captured = (ChessSquare) (DEMOTED(captured));
10497 p = PieceToNumber((ChessSquare)p);
10498 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10499 board[p][BOARD_WIDTH-2]++;
10500 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10502 p -= (int)WhitePawn;
10503 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10504 captured = (ChessSquare) (DEMOTED(captured));
10507 p = PieceToNumber((ChessSquare)p);
10508 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10509 board[BOARD_HEIGHT-1-p][1]++;
10510 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10513 } else if (gameInfo.variant == VariantAtomic) {
10514 if (captured != EmptySquare) {
10516 for (y = toY-1; y <= toY+1; y++) {
10517 for (x = toX-1; x <= toX+1; x++) {
10518 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10519 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10520 board[y][x] = EmptySquare;
10524 board[toY][toX] = EmptySquare;
10528 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10529 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10531 if(promoChar == '+') {
10532 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10533 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10534 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10535 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10536 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10537 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10538 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10539 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10540 board[toY][toX] = newPiece;
10542 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10543 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10544 // [HGM] superchess: take promotion piece out of holdings
10545 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10546 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10547 if(!--board[k][BOARD_WIDTH-2])
10548 board[k][BOARD_WIDTH-1] = EmptySquare;
10550 if(!--board[BOARD_HEIGHT-1-k][1])
10551 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10556 /* Updates forwardMostMove */
10558 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10560 int x = toX, y = toY;
10561 char *s = parseList[forwardMostMove];
10562 ChessSquare p = boards[forwardMostMove][toY][toX];
10563 // forwardMostMove++; // [HGM] bare: moved downstream
10565 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10566 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10567 (void) CoordsToAlgebraic(boards[forwardMostMove],
10568 PosFlags(forwardMostMove),
10569 fromY, fromX, y, x, (killX < 0)*promoChar,
10571 if(kill2X >= 0 && kill2Y >= 0)
10572 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10573 if(killX >= 0 && killY >= 0)
10574 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10575 toX + AAA, toY + ONE - '0', promoChar);
10577 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10578 int timeLeft; static int lastLoadFlag=0; int king, piece;
10579 piece = boards[forwardMostMove][fromY][fromX];
10580 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10581 if(gameInfo.variant == VariantKnightmate)
10582 king += (int) WhiteUnicorn - (int) WhiteKing;
10583 if(forwardMostMove == 0) {
10584 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10585 fprintf(serverMoves, "%s;", UserName());
10586 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10587 fprintf(serverMoves, "%s;", second.tidy);
10588 fprintf(serverMoves, "%s;", first.tidy);
10589 if(gameMode == MachinePlaysWhite)
10590 fprintf(serverMoves, "%s;", UserName());
10591 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10592 fprintf(serverMoves, "%s;", second.tidy);
10593 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10594 lastLoadFlag = loadFlag;
10596 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10597 // print castling suffix
10598 if( toY == fromY && piece == king ) {
10600 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10602 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10605 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10606 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10607 boards[forwardMostMove][toY][toX] == EmptySquare
10608 && fromX != toX && fromY != toY)
10609 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10610 // promotion suffix
10611 if(promoChar != NULLCHAR) {
10612 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10613 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10614 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10615 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10618 char buf[MOVE_LEN*2], *p; int len;
10619 fprintf(serverMoves, "/%d/%d",
10620 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10621 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10622 else timeLeft = blackTimeRemaining/1000;
10623 fprintf(serverMoves, "/%d", timeLeft);
10624 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10625 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10626 if(p = strchr(buf, '=')) *p = NULLCHAR;
10627 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10628 fprintf(serverMoves, "/%s", buf);
10630 fflush(serverMoves);
10633 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10634 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10637 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10638 if (commentList[forwardMostMove+1] != NULL) {
10639 free(commentList[forwardMostMove+1]);
10640 commentList[forwardMostMove+1] = NULL;
10642 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10643 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10644 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10645 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10646 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10647 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10648 adjustedClock = FALSE;
10649 gameInfo.result = GameUnfinished;
10650 if (gameInfo.resultDetails != NULL) {
10651 free(gameInfo.resultDetails);
10652 gameInfo.resultDetails = NULL;
10654 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10655 moveList[forwardMostMove - 1]);
10656 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10662 if(!IS_SHOGI(gameInfo.variant))
10663 strcat(parseList[forwardMostMove - 1], "+");
10667 strcat(parseList[forwardMostMove - 1], "#");
10672 /* Updates currentMove if not pausing */
10674 ShowMove (int fromX, int fromY, int toX, int toY)
10676 int instant = (gameMode == PlayFromGameFile) ?
10677 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10678 if(appData.noGUI) return;
10679 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10681 if (forwardMostMove == currentMove + 1) {
10682 AnimateMove(boards[forwardMostMove - 1],
10683 fromX, fromY, toX, toY);
10686 currentMove = forwardMostMove;
10689 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10691 if (instant) return;
10693 DisplayMove(currentMove - 1);
10694 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10695 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10696 SetHighlights(fromX, fromY, toX, toY);
10699 DrawPosition(FALSE, boards[currentMove]);
10700 DisplayBothClocks();
10701 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10705 SendEgtPath (ChessProgramState *cps)
10706 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10707 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10709 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10712 char c, *q = name+1, *r, *s;
10714 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10715 while(*p && *p != ',') *q++ = *p++;
10716 *q++ = ':'; *q = 0;
10717 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10718 strcmp(name, ",nalimov:") == 0 ) {
10719 // take nalimov path from the menu-changeable option first, if it is defined
10720 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10721 SendToProgram(buf,cps); // send egtbpath command for nalimov
10723 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10724 (s = StrStr(appData.egtFormats, name)) != NULL) {
10725 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10726 s = r = StrStr(s, ":") + 1; // beginning of path info
10727 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10728 c = *r; *r = 0; // temporarily null-terminate path info
10729 *--q = 0; // strip of trailig ':' from name
10730 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10732 SendToProgram(buf,cps); // send egtbpath command for this format
10734 if(*p == ',') p++; // read away comma to position for next format name
10739 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10741 int width = 8, height = 8, holdings = 0; // most common sizes
10742 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10743 // correct the deviations default for each variant
10744 if( v == VariantXiangqi ) width = 9, height = 10;
10745 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10746 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10747 if( v == VariantCapablanca || v == VariantCapaRandom ||
10748 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10750 if( v == VariantCourier ) width = 12;
10751 if( v == VariantSuper ) holdings = 8;
10752 if( v == VariantGreat ) width = 10, holdings = 8;
10753 if( v == VariantSChess ) holdings = 7;
10754 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10755 if( v == VariantChuChess) width = 10, height = 10;
10756 if( v == VariantChu ) width = 12, height = 12;
10757 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10758 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10759 holdingsSize >= 0 && holdingsSize != holdings;
10762 char variantError[MSG_SIZ];
10765 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10766 { // returns error message (recognizable by upper-case) if engine does not support the variant
10767 char *p, *variant = VariantName(v);
10768 static char b[MSG_SIZ];
10769 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10770 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10771 holdingsSize, variant); // cook up sized variant name
10772 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10773 if(StrStr(list, b) == NULL) {
10774 // specific sized variant not known, check if general sizing allowed
10775 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10776 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10777 boardWidth, boardHeight, holdingsSize, engine);
10780 /* [HGM] here we really should compare with the maximum supported board size */
10782 } else snprintf(b, MSG_SIZ,"%s", variant);
10783 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10784 p = StrStr(list, b);
10785 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10787 // occurs not at all in list, or only as sub-string
10788 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10789 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10790 int l = strlen(variantError);
10792 while(p != list && p[-1] != ',') p--;
10793 q = strchr(p, ',');
10794 if(q) *q = NULLCHAR;
10795 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10804 InitChessProgram (ChessProgramState *cps, int setup)
10805 /* setup needed to setup FRC opening position */
10807 char buf[MSG_SIZ], *b;
10808 if (appData.noChessProgram) return;
10809 hintRequested = FALSE;
10810 bookRequested = FALSE;
10812 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10813 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10814 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10815 if(cps->memSize) { /* [HGM] memory */
10816 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10817 SendToProgram(buf, cps);
10819 SendEgtPath(cps); /* [HGM] EGT */
10820 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10821 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10822 SendToProgram(buf, cps);
10825 setboardSpoiledMachineBlack = FALSE;
10826 SendToProgram(cps->initString, cps);
10827 if (gameInfo.variant != VariantNormal &&
10828 gameInfo.variant != VariantLoadable
10829 /* [HGM] also send variant if board size non-standard */
10830 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10832 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10833 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10837 char c, *q = cps->variants, *p = strchr(q, ',');
10838 if(p) *p = NULLCHAR;
10839 v = StringToVariant(q);
10840 DisplayError(variantError, 0);
10841 if(v != VariantUnknown && cps == &first) {
10843 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10844 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10845 ASSIGN(appData.variant, q);
10846 Reset(TRUE, FALSE);
10852 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10853 SendToProgram(buf, cps);
10855 currentlyInitializedVariant = gameInfo.variant;
10857 /* [HGM] send opening position in FRC to first engine */
10859 SendToProgram("force\n", cps);
10861 /* engine is now in force mode! Set flag to wake it up after first move. */
10862 setboardSpoiledMachineBlack = 1;
10865 if (cps->sendICS) {
10866 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10867 SendToProgram(buf, cps);
10869 cps->maybeThinking = FALSE;
10870 cps->offeredDraw = 0;
10871 if (!appData.icsActive) {
10872 SendTimeControl(cps, movesPerSession, timeControl,
10873 timeIncrement, appData.searchDepth,
10876 if (appData.showThinking
10877 // [HGM] thinking: four options require thinking output to be sent
10878 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10880 SendToProgram("post\n", cps);
10882 SendToProgram("hard\n", cps);
10883 if (!appData.ponderNextMove) {
10884 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10885 it without being sure what state we are in first. "hard"
10886 is not a toggle, so that one is OK.
10888 SendToProgram("easy\n", cps);
10890 if (cps->usePing) {
10891 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10892 SendToProgram(buf, cps);
10894 cps->initDone = TRUE;
10895 ClearEngineOutputPane(cps == &second);
10900 ResendOptions (ChessProgramState *cps)
10901 { // send the stored value of the options
10904 Option *opt = cps->option;
10905 for(i=0; i<cps->nrOptions; i++, opt++) {
10906 switch(opt->type) {
10910 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10913 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10916 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10922 SendToProgram(buf, cps);
10927 StartChessProgram (ChessProgramState *cps)
10932 if (appData.noChessProgram) return;
10933 cps->initDone = FALSE;
10935 if (strcmp(cps->host, "localhost") == 0) {
10936 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10937 } else if (*appData.remoteShell == NULLCHAR) {
10938 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10940 if (*appData.remoteUser == NULLCHAR) {
10941 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10944 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10945 cps->host, appData.remoteUser, cps->program);
10947 err = StartChildProcess(buf, "", &cps->pr);
10951 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10952 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10953 if(cps != &first) return;
10954 appData.noChessProgram = TRUE;
10957 // DisplayFatalError(buf, err, 1);
10958 // cps->pr = NoProc;
10959 // cps->isr = NULL;
10963 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10964 if (cps->protocolVersion > 1) {
10965 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10966 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10967 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10968 cps->comboCnt = 0; // and values of combo boxes
10970 SendToProgram(buf, cps);
10971 if(cps->reload) ResendOptions(cps);
10973 SendToProgram("xboard\n", cps);
10978 TwoMachinesEventIfReady P((void))
10980 static int curMess = 0;
10981 if (first.lastPing != first.lastPong) {
10982 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10983 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10986 if (second.lastPing != second.lastPong) {
10987 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10988 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10991 DisplayMessage("", ""); curMess = 0;
10992 TwoMachinesEvent();
10996 MakeName (char *template)
11000 static char buf[MSG_SIZ];
11004 clock = time((time_t *)NULL);
11005 tm = localtime(&clock);
11007 while(*p++ = *template++) if(p[-1] == '%') {
11008 switch(*template++) {
11009 case 0: *p = 0; return buf;
11010 case 'Y': i = tm->tm_year+1900; break;
11011 case 'y': i = tm->tm_year-100; break;
11012 case 'M': i = tm->tm_mon+1; break;
11013 case 'd': i = tm->tm_mday; break;
11014 case 'h': i = tm->tm_hour; break;
11015 case 'm': i = tm->tm_min; break;
11016 case 's': i = tm->tm_sec; break;
11019 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11025 CountPlayers (char *p)
11028 while(p = strchr(p, '\n')) p++, n++; // count participants
11033 WriteTourneyFile (char *results, FILE *f)
11034 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11035 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11036 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11037 // create a file with tournament description
11038 fprintf(f, "-participants {%s}\n", appData.participants);
11039 fprintf(f, "-seedBase %d\n", appData.seedBase);
11040 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11041 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11042 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11043 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11044 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11045 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11046 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11047 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11048 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11049 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11050 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11051 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11052 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11053 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11054 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11055 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11056 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11057 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11058 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11059 fprintf(f, "-smpCores %d\n", appData.smpCores);
11061 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11063 fprintf(f, "-mps %d\n", appData.movesPerSession);
11064 fprintf(f, "-tc %s\n", appData.timeControl);
11065 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11067 fprintf(f, "-results \"%s\"\n", results);
11072 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11075 Substitute (char *participants, int expunge)
11077 int i, changed, changes=0, nPlayers=0;
11078 char *p, *q, *r, buf[MSG_SIZ];
11079 if(participants == NULL) return;
11080 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11081 r = p = participants; q = appData.participants;
11082 while(*p && *p == *q) {
11083 if(*p == '\n') r = p+1, nPlayers++;
11086 if(*p) { // difference
11087 while(*p && *p++ != '\n')
11089 while(*q && *q++ != '\n')
11091 changed = nPlayers;
11092 changes = 1 + (strcmp(p, q) != 0);
11094 if(changes == 1) { // a single engine mnemonic was changed
11095 q = r; while(*q) nPlayers += (*q++ == '\n');
11096 p = buf; while(*r && (*p = *r++) != '\n') p++;
11098 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11099 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11100 if(mnemonic[i]) { // The substitute is valid
11102 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11103 flock(fileno(f), LOCK_EX);
11104 ParseArgsFromFile(f);
11105 fseek(f, 0, SEEK_SET);
11106 FREE(appData.participants); appData.participants = participants;
11107 if(expunge) { // erase results of replaced engine
11108 int len = strlen(appData.results), w, b, dummy;
11109 for(i=0; i<len; i++) {
11110 Pairing(i, nPlayers, &w, &b, &dummy);
11111 if((w == changed || b == changed) && appData.results[i] == '*') {
11112 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11117 for(i=0; i<len; i++) {
11118 Pairing(i, nPlayers, &w, &b, &dummy);
11119 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11122 WriteTourneyFile(appData.results, f);
11123 fclose(f); // release lock
11126 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11128 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11129 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11130 free(participants);
11135 CheckPlayers (char *participants)
11138 char buf[MSG_SIZ], *p;
11139 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11140 while(p = strchr(participants, '\n')) {
11142 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11144 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11146 DisplayError(buf, 0);
11150 participants = p + 1;
11156 CreateTourney (char *name)
11159 if(matchMode && strcmp(name, appData.tourneyFile)) {
11160 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11162 if(name[0] == NULLCHAR) {
11163 if(appData.participants[0])
11164 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11167 f = fopen(name, "r");
11168 if(f) { // file exists
11169 ASSIGN(appData.tourneyFile, name);
11170 ParseArgsFromFile(f); // parse it
11172 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11173 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11174 DisplayError(_("Not enough participants"), 0);
11177 if(CheckPlayers(appData.participants)) return 0;
11178 ASSIGN(appData.tourneyFile, name);
11179 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11180 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11183 appData.noChessProgram = FALSE;
11184 appData.clockMode = TRUE;
11190 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11192 char buf[MSG_SIZ], *p, *q;
11193 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11194 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11195 skip = !all && group[0]; // if group requested, we start in skip mode
11196 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11197 p = names; q = buf; header = 0;
11198 while(*p && *p != '\n') *q++ = *p++;
11200 if(*p == '\n') p++;
11201 if(buf[0] == '#') {
11202 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11203 depth++; // we must be entering a new group
11204 if(all) continue; // suppress printing group headers when complete list requested
11206 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11208 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11209 if(engineList[i]) free(engineList[i]);
11210 engineList[i] = strdup(buf);
11211 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11212 if(engineMnemonic[i]) free(engineMnemonic[i]);
11213 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11215 sscanf(q + 8, "%s", buf + strlen(buf));
11218 engineMnemonic[i] = strdup(buf);
11221 engineList[i] = engineMnemonic[i] = NULL;
11225 // following implemented as macro to avoid type limitations
11226 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11229 SwapEngines (int n)
11230 { // swap settings for first engine and other engine (so far only some selected options)
11235 SWAP(chessProgram, p)
11237 SWAP(hasOwnBookUCI, h)
11238 SWAP(protocolVersion, h)
11240 SWAP(scoreIsAbsolute, h)
11245 SWAP(engOptions, p)
11246 SWAP(engInitString, p)
11247 SWAP(computerString, p)
11249 SWAP(fenOverride, p)
11251 SWAP(accumulateTC, h)
11258 GetEngineLine (char *s, int n)
11262 extern char *icsNames;
11263 if(!s || !*s) return 0;
11264 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11265 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11266 if(!mnemonic[i]) return 0;
11267 if(n == 11) return 1; // just testing if there was a match
11268 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11269 if(n == 1) SwapEngines(n);
11270 ParseArgsFromString(buf);
11271 if(n == 1) SwapEngines(n);
11272 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11273 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11274 ParseArgsFromString(buf);
11280 SetPlayer (int player, char *p)
11281 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11283 char buf[MSG_SIZ], *engineName;
11284 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11285 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11286 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11288 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11289 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11290 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11291 ParseArgsFromString(buf);
11292 } else { // no engine with this nickname is installed!
11293 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11294 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11295 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11297 DisplayError(buf, 0);
11304 char *recentEngines;
11307 RecentEngineEvent (int nr)
11310 // SwapEngines(1); // bump first to second
11311 // ReplaceEngine(&second, 1); // and load it there
11312 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11313 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11314 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11315 ReplaceEngine(&first, 0);
11316 FloatToFront(&appData.recentEngineList, command[n]);
11321 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11322 { // determine players from game number
11323 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11325 if(appData.tourneyType == 0) {
11326 roundsPerCycle = (nPlayers - 1) | 1;
11327 pairingsPerRound = nPlayers / 2;
11328 } else if(appData.tourneyType > 0) {
11329 roundsPerCycle = nPlayers - appData.tourneyType;
11330 pairingsPerRound = appData.tourneyType;
11332 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11333 gamesPerCycle = gamesPerRound * roundsPerCycle;
11334 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11335 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11336 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11337 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11338 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11339 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11341 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11342 if(appData.roundSync) *syncInterval = gamesPerRound;
11344 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11346 if(appData.tourneyType == 0) {
11347 if(curPairing == (nPlayers-1)/2 ) {
11348 *whitePlayer = curRound;
11349 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11351 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11352 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11353 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11354 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11356 } else if(appData.tourneyType > 1) {
11357 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11358 *whitePlayer = curRound + appData.tourneyType;
11359 } else if(appData.tourneyType > 0) {
11360 *whitePlayer = curPairing;
11361 *blackPlayer = curRound + appData.tourneyType;
11364 // take care of white/black alternation per round.
11365 // For cycles and games this is already taken care of by default, derived from matchGame!
11366 return curRound & 1;
11370 NextTourneyGame (int nr, int *swapColors)
11371 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11373 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11375 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11376 tf = fopen(appData.tourneyFile, "r");
11377 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11378 ParseArgsFromFile(tf); fclose(tf);
11379 InitTimeControls(); // TC might be altered from tourney file
11381 nPlayers = CountPlayers(appData.participants); // count participants
11382 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11383 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11386 p = q = appData.results;
11387 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11388 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11389 DisplayMessage(_("Waiting for other game(s)"),"");
11390 waitingForGame = TRUE;
11391 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11394 waitingForGame = FALSE;
11397 if(appData.tourneyType < 0) {
11398 if(nr>=0 && !pairingReceived) {
11400 if(pairing.pr == NoProc) {
11401 if(!appData.pairingEngine[0]) {
11402 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11405 StartChessProgram(&pairing); // starts the pairing engine
11407 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11408 SendToProgram(buf, &pairing);
11409 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11410 SendToProgram(buf, &pairing);
11411 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11413 pairingReceived = 0; // ... so we continue here
11415 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11416 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11417 matchGame = 1; roundNr = nr / syncInterval + 1;
11420 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11422 // redefine engines, engine dir, etc.
11423 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11424 if(first.pr == NoProc) {
11425 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11426 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11428 if(second.pr == NoProc) {
11430 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11431 SwapEngines(1); // and make that valid for second engine by swapping
11432 InitEngine(&second, 1);
11434 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11435 UpdateLogos(FALSE); // leave display to ModeHiglight()
11441 { // performs game initialization that does not invoke engines, and then tries to start the game
11442 int res, firstWhite, swapColors = 0;
11443 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11444 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
11446 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11447 if(strcmp(buf, currentDebugFile)) { // name has changed
11448 FILE *f = fopen(buf, "w");
11449 if(f) { // if opening the new file failed, just keep using the old one
11450 ASSIGN(currentDebugFile, buf);
11454 if(appData.serverFileName) {
11455 if(serverFP) fclose(serverFP);
11456 serverFP = fopen(appData.serverFileName, "w");
11457 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11458 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11462 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11463 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11464 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11465 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11466 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11467 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11468 Reset(FALSE, first.pr != NoProc);
11469 res = LoadGameOrPosition(matchGame); // setup game
11470 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11471 if(!res) return; // abort when bad game/pos file
11472 if(appData.epd) {// in EPD mode we make sure first engine is to move
11473 firstWhite = !(forwardMostMove & 1);
11474 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11475 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11477 TwoMachinesEvent();
11481 UserAdjudicationEvent (int result)
11483 ChessMove gameResult = GameIsDrawn;
11486 gameResult = WhiteWins;
11488 else if( result < 0 ) {
11489 gameResult = BlackWins;
11492 if( gameMode == TwoMachinesPlay ) {
11493 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11498 // [HGM] save: calculate checksum of game to make games easily identifiable
11500 StringCheckSum (char *s)
11503 if(s==NULL) return 0;
11504 while(*s) i = i*259 + *s++;
11512 for(i=backwardMostMove; i<forwardMostMove; i++) {
11513 sum += pvInfoList[i].depth;
11514 sum += StringCheckSum(parseList[i]);
11515 sum += StringCheckSum(commentList[i]);
11518 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11519 return sum + StringCheckSum(commentList[i]);
11520 } // end of save patch
11523 GameEnds (ChessMove result, char *resultDetails, int whosays)
11525 GameMode nextGameMode;
11527 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11529 if(endingGame) return; /* [HGM] crash: forbid recursion */
11531 if(twoBoards) { // [HGM] dual: switch back to one board
11532 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11533 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11535 if (appData.debugMode) {
11536 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11537 result, resultDetails ? resultDetails : "(null)", whosays);
11540 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11542 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11544 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11545 /* If we are playing on ICS, the server decides when the
11546 game is over, but the engine can offer to draw, claim
11550 if (appData.zippyPlay && first.initDone) {
11551 if (result == GameIsDrawn) {
11552 /* In case draw still needs to be claimed */
11553 SendToICS(ics_prefix);
11554 SendToICS("draw\n");
11555 } else if (StrCaseStr(resultDetails, "resign")) {
11556 SendToICS(ics_prefix);
11557 SendToICS("resign\n");
11561 endingGame = 0; /* [HGM] crash */
11565 /* If we're loading the game from a file, stop */
11566 if (whosays == GE_FILE) {
11567 (void) StopLoadGameTimer();
11571 /* Cancel draw offers */
11572 first.offeredDraw = second.offeredDraw = 0;
11574 /* If this is an ICS game, only ICS can really say it's done;
11575 if not, anyone can. */
11576 isIcsGame = (gameMode == IcsPlayingWhite ||
11577 gameMode == IcsPlayingBlack ||
11578 gameMode == IcsObserving ||
11579 gameMode == IcsExamining);
11581 if (!isIcsGame || whosays == GE_ICS) {
11582 /* OK -- not an ICS game, or ICS said it was done */
11584 if (!isIcsGame && !appData.noChessProgram)
11585 SetUserThinkingEnables();
11587 /* [HGM] if a machine claims the game end we verify this claim */
11588 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11589 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11591 ChessMove trueResult = (ChessMove) -1;
11593 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11594 first.twoMachinesColor[0] :
11595 second.twoMachinesColor[0] ;
11597 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11598 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11599 /* [HGM] verify: engine mate claims accepted if they were flagged */
11600 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11602 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11603 /* [HGM] verify: engine mate claims accepted if they were flagged */
11604 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11606 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11607 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11610 // now verify win claims, but not in drop games, as we don't understand those yet
11611 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11612 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11613 (result == WhiteWins && claimer == 'w' ||
11614 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11615 if (appData.debugMode) {
11616 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11617 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11619 if(result != trueResult) {
11620 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11621 result = claimer == 'w' ? BlackWins : WhiteWins;
11622 resultDetails = buf;
11625 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11626 && (forwardMostMove <= backwardMostMove ||
11627 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11628 (claimer=='b')==(forwardMostMove&1))
11630 /* [HGM] verify: draws that were not flagged are false claims */
11631 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11632 result = claimer == 'w' ? BlackWins : WhiteWins;
11633 resultDetails = buf;
11635 /* (Claiming a loss is accepted no questions asked!) */
11636 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11637 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11638 result = GameUnfinished;
11639 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11641 /* [HGM] bare: don't allow bare King to win */
11642 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11643 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11644 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11645 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11646 && result != GameIsDrawn)
11647 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11648 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11649 int p = (signed char)boards[forwardMostMove][i][j] - color;
11650 if(p >= 0 && p <= (int)WhiteKing) k++;
11651 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11653 if (appData.debugMode) {
11654 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11655 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11657 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11658 result = GameIsDrawn;
11659 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11660 resultDetails = buf;
11666 if(serverMoves != NULL && !loadFlag) { char c = '=';
11667 if(result==WhiteWins) c = '+';
11668 if(result==BlackWins) c = '-';
11669 if(resultDetails != NULL)
11670 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11672 if (resultDetails != NULL) {
11673 gameInfo.result = result;
11674 gameInfo.resultDetails = StrSave(resultDetails);
11676 /* display last move only if game was not loaded from file */
11677 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11678 DisplayMove(currentMove - 1);
11680 if (forwardMostMove != 0) {
11681 if (gameMode != PlayFromGameFile && gameMode != EditGame
11682 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11684 if (*appData.saveGameFile != NULLCHAR) {
11685 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11686 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11688 SaveGameToFile(appData.saveGameFile, TRUE);
11689 } else if (appData.autoSaveGames) {
11690 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11692 if (*appData.savePositionFile != NULLCHAR) {
11693 SavePositionToFile(appData.savePositionFile);
11695 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11699 /* Tell program how game ended in case it is learning */
11700 /* [HGM] Moved this to after saving the PGN, just in case */
11701 /* engine died and we got here through time loss. In that */
11702 /* case we will get a fatal error writing the pipe, which */
11703 /* would otherwise lose us the PGN. */
11704 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11705 /* output during GameEnds should never be fatal anymore */
11706 if (gameMode == MachinePlaysWhite ||
11707 gameMode == MachinePlaysBlack ||
11708 gameMode == TwoMachinesPlay ||
11709 gameMode == IcsPlayingWhite ||
11710 gameMode == IcsPlayingBlack ||
11711 gameMode == BeginningOfGame) {
11713 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11715 if (first.pr != NoProc) {
11716 SendToProgram(buf, &first);
11718 if (second.pr != NoProc &&
11719 gameMode == TwoMachinesPlay) {
11720 SendToProgram(buf, &second);
11725 if (appData.icsActive) {
11726 if (appData.quietPlay &&
11727 (gameMode == IcsPlayingWhite ||
11728 gameMode == IcsPlayingBlack)) {
11729 SendToICS(ics_prefix);
11730 SendToICS("set shout 1\n");
11732 nextGameMode = IcsIdle;
11733 ics_user_moved = FALSE;
11734 /* clean up premove. It's ugly when the game has ended and the
11735 * premove highlights are still on the board.
11738 gotPremove = FALSE;
11739 ClearPremoveHighlights();
11740 DrawPosition(FALSE, boards[currentMove]);
11742 if (whosays == GE_ICS) {
11745 if (gameMode == IcsPlayingWhite)
11747 else if(gameMode == IcsPlayingBlack)
11748 PlayIcsLossSound();
11751 if (gameMode == IcsPlayingBlack)
11753 else if(gameMode == IcsPlayingWhite)
11754 PlayIcsLossSound();
11757 PlayIcsDrawSound();
11760 PlayIcsUnfinishedSound();
11763 if(appData.quitNext) { ExitEvent(0); return; }
11764 } else if (gameMode == EditGame ||
11765 gameMode == PlayFromGameFile ||
11766 gameMode == AnalyzeMode ||
11767 gameMode == AnalyzeFile) {
11768 nextGameMode = gameMode;
11770 nextGameMode = EndOfGame;
11775 nextGameMode = gameMode;
11778 if (appData.noChessProgram) {
11779 gameMode = nextGameMode;
11781 endingGame = 0; /* [HGM] crash */
11786 /* Put first chess program into idle state */
11787 if (first.pr != NoProc &&
11788 (gameMode == MachinePlaysWhite ||
11789 gameMode == MachinePlaysBlack ||
11790 gameMode == TwoMachinesPlay ||
11791 gameMode == IcsPlayingWhite ||
11792 gameMode == IcsPlayingBlack ||
11793 gameMode == BeginningOfGame)) {
11794 SendToProgram("force\n", &first);
11795 if (first.usePing) {
11797 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11798 SendToProgram(buf, &first);
11801 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11802 /* Kill off first chess program */
11803 if (first.isr != NULL)
11804 RemoveInputSource(first.isr);
11807 if (first.pr != NoProc) {
11809 DoSleep( appData.delayBeforeQuit );
11810 SendToProgram("quit\n", &first);
11811 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11812 first.reload = TRUE;
11816 if (second.reuse) {
11817 /* Put second chess program into idle state */
11818 if (second.pr != NoProc &&
11819 gameMode == TwoMachinesPlay) {
11820 SendToProgram("force\n", &second);
11821 if (second.usePing) {
11823 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11824 SendToProgram(buf, &second);
11827 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11828 /* Kill off second chess program */
11829 if (second.isr != NULL)
11830 RemoveInputSource(second.isr);
11833 if (second.pr != NoProc) {
11834 DoSleep( appData.delayBeforeQuit );
11835 SendToProgram("quit\n", &second);
11836 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11837 second.reload = TRUE;
11839 second.pr = NoProc;
11842 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11843 char resChar = '=';
11847 if (first.twoMachinesColor[0] == 'w') {
11850 second.matchWins++;
11855 if (first.twoMachinesColor[0] == 'b') {
11858 second.matchWins++;
11861 case GameUnfinished:
11867 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11868 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11869 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11870 ReserveGame(nextGame, resChar); // sets nextGame
11871 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11872 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11873 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11875 if (nextGame <= appData.matchGames && !abortMatch) {
11876 gameMode = nextGameMode;
11877 matchGame = nextGame; // this will be overruled in tourney mode!
11878 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11879 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11880 endingGame = 0; /* [HGM] crash */
11883 gameMode = nextGameMode;
11885 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11886 OutputKibitz(2, buf);
11887 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11888 OutputKibitz(2, buf);
11889 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11890 if(second.matchWins) OutputKibitz(2, buf);
11891 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11892 OutputKibitz(2, buf);
11894 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11895 first.tidy, second.tidy,
11896 first.matchWins, second.matchWins,
11897 appData.matchGames - (first.matchWins + second.matchWins));
11898 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11899 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11900 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11901 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11902 first.twoMachinesColor = "black\n";
11903 second.twoMachinesColor = "white\n";
11905 first.twoMachinesColor = "white\n";
11906 second.twoMachinesColor = "black\n";
11910 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11911 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11913 gameMode = nextGameMode;
11915 endingGame = 0; /* [HGM] crash */
11916 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11917 if(matchMode == TRUE) { // match through command line: exit with or without popup
11919 ToNrEvent(forwardMostMove);
11920 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11922 } else DisplayFatalError(buf, 0, 0);
11923 } else { // match through menu; just stop, with or without popup
11924 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11927 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11928 } else DisplayNote(buf);
11930 if(ranking) free(ranking);
11934 /* Assumes program was just initialized (initString sent).
11935 Leaves program in force mode. */
11937 FeedMovesToProgram (ChessProgramState *cps, int upto)
11941 if (appData.debugMode)
11942 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11943 startedFromSetupPosition ? "position and " : "",
11944 backwardMostMove, upto, cps->which);
11945 if(currentlyInitializedVariant != gameInfo.variant) {
11947 // [HGM] variantswitch: make engine aware of new variant
11948 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11949 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11950 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11951 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11952 SendToProgram(buf, cps);
11953 currentlyInitializedVariant = gameInfo.variant;
11955 SendToProgram("force\n", cps);
11956 if (startedFromSetupPosition) {
11957 SendBoard(cps, backwardMostMove);
11958 if (appData.debugMode) {
11959 fprintf(debugFP, "feedMoves\n");
11962 for (i = backwardMostMove; i < upto; i++) {
11963 SendMoveToProgram(i, cps);
11969 ResurrectChessProgram ()
11971 /* The chess program may have exited.
11972 If so, restart it and feed it all the moves made so far. */
11973 static int doInit = 0;
11975 if (appData.noChessProgram) return 1;
11977 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11978 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11979 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11980 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11982 if (first.pr != NoProc) return 1;
11983 StartChessProgram(&first);
11985 InitChessProgram(&first, FALSE);
11986 FeedMovesToProgram(&first, currentMove);
11988 if (!first.sendTime) {
11989 /* can't tell gnuchess what its clock should read,
11990 so we bow to its notion. */
11992 timeRemaining[0][currentMove] = whiteTimeRemaining;
11993 timeRemaining[1][currentMove] = blackTimeRemaining;
11996 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11997 appData.icsEngineAnalyze) && first.analysisSupport) {
11998 SendToProgram("analyze\n", &first);
11999 first.analyzing = TRUE;
12005 * Button procedures
12008 Reset (int redraw, int init)
12012 if (appData.debugMode) {
12013 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12014 redraw, init, gameMode);
12016 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12017 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12018 CleanupTail(); // [HGM] vari: delete any stored variations
12019 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12020 pausing = pauseExamInvalid = FALSE;
12021 startedFromSetupPosition = blackPlaysFirst = FALSE;
12023 whiteFlag = blackFlag = FALSE;
12024 userOfferedDraw = FALSE;
12025 hintRequested = bookRequested = FALSE;
12026 first.maybeThinking = FALSE;
12027 second.maybeThinking = FALSE;
12028 first.bookSuspend = FALSE; // [HGM] book
12029 second.bookSuspend = FALSE;
12030 thinkOutput[0] = NULLCHAR;
12031 lastHint[0] = NULLCHAR;
12032 ClearGameInfo(&gameInfo);
12033 gameInfo.variant = StringToVariant(appData.variant);
12034 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12035 gameInfo.variant = VariantUnknown;
12036 strncpy(engineVariant, appData.variant, MSG_SIZ);
12038 ics_user_moved = ics_clock_paused = FALSE;
12039 ics_getting_history = H_FALSE;
12041 white_holding[0] = black_holding[0] = NULLCHAR;
12042 ClearProgramStats();
12043 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12047 flipView = appData.flipView;
12048 ClearPremoveHighlights();
12049 gotPremove = FALSE;
12050 alarmSounded = FALSE;
12051 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12053 GameEnds(EndOfFile, NULL, GE_PLAYER);
12054 if(appData.serverMovesName != NULL) {
12055 /* [HGM] prepare to make moves file for broadcasting */
12056 clock_t t = clock();
12057 if(serverMoves != NULL) fclose(serverMoves);
12058 serverMoves = fopen(appData.serverMovesName, "r");
12059 if(serverMoves != NULL) {
12060 fclose(serverMoves);
12061 /* delay 15 sec before overwriting, so all clients can see end */
12062 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12064 serverMoves = fopen(appData.serverMovesName, "w");
12068 gameMode = BeginningOfGame;
12070 if(appData.icsActive) gameInfo.variant = VariantNormal;
12071 currentMove = forwardMostMove = backwardMostMove = 0;
12072 MarkTargetSquares(1);
12073 InitPosition(redraw);
12074 for (i = 0; i < MAX_MOVES; i++) {
12075 if (commentList[i] != NULL) {
12076 free(commentList[i]);
12077 commentList[i] = NULL;
12081 timeRemaining[0][0] = whiteTimeRemaining;
12082 timeRemaining[1][0] = blackTimeRemaining;
12084 if (first.pr == NoProc) {
12085 StartChessProgram(&first);
12088 InitChessProgram(&first, startedFromSetupPosition);
12091 DisplayMessage("", "");
12092 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12093 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12094 ClearMap(); // [HGM] exclude: invalidate map
12098 AutoPlayGameLoop ()
12101 if (!AutoPlayOneMove())
12103 if (matchMode || appData.timeDelay == 0)
12105 if (appData.timeDelay < 0)
12107 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12115 ReloadGame(1); // next game
12121 int fromX, fromY, toX, toY;
12123 if (appData.debugMode) {
12124 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12127 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12130 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12131 pvInfoList[currentMove].depth = programStats.depth;
12132 pvInfoList[currentMove].score = programStats.score;
12133 pvInfoList[currentMove].time = 0;
12134 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12135 else { // append analysis of final position as comment
12137 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12138 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12140 programStats.depth = 0;
12143 if (currentMove >= forwardMostMove) {
12144 if(gameMode == AnalyzeFile) {
12145 if(appData.loadGameIndex == -1) {
12146 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12147 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12149 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12152 // gameMode = EndOfGame;
12153 // ModeHighlight();
12155 /* [AS] Clear current move marker at the end of a game */
12156 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12161 toX = moveList[currentMove][2] - AAA;
12162 toY = moveList[currentMove][3] - ONE;
12164 if (moveList[currentMove][1] == '@') {
12165 if (appData.highlightLastMove) {
12166 SetHighlights(-1, -1, toX, toY);
12169 fromX = moveList[currentMove][0] - AAA;
12170 fromY = moveList[currentMove][1] - ONE;
12172 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12174 if(moveList[currentMove][4] == ';') { // multi-leg
12175 killX = moveList[currentMove][5] - AAA;
12176 killY = moveList[currentMove][6] - ONE;
12178 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12179 killX = killY = -1;
12181 if (appData.highlightLastMove) {
12182 SetHighlights(fromX, fromY, toX, toY);
12185 DisplayMove(currentMove);
12186 SendMoveToProgram(currentMove++, &first);
12187 DisplayBothClocks();
12188 DrawPosition(FALSE, boards[currentMove]);
12189 // [HGM] PV info: always display, routine tests if empty
12190 DisplayComment(currentMove - 1, commentList[currentMove]);
12196 LoadGameOneMove (ChessMove readAhead)
12198 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12199 char promoChar = NULLCHAR;
12200 ChessMove moveType;
12201 char move[MSG_SIZ];
12204 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12205 gameMode != AnalyzeMode && gameMode != Training) {
12210 yyboardindex = forwardMostMove;
12211 if (readAhead != EndOfFile) {
12212 moveType = readAhead;
12214 if (gameFileFP == NULL)
12216 moveType = (ChessMove) Myylex();
12220 switch (moveType) {
12222 if (appData.debugMode)
12223 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12226 /* append the comment but don't display it */
12227 AppendComment(currentMove, p, FALSE);
12230 case WhiteCapturesEnPassant:
12231 case BlackCapturesEnPassant:
12232 case WhitePromotion:
12233 case BlackPromotion:
12234 case WhiteNonPromotion:
12235 case BlackNonPromotion:
12238 case WhiteKingSideCastle:
12239 case WhiteQueenSideCastle:
12240 case BlackKingSideCastle:
12241 case BlackQueenSideCastle:
12242 case WhiteKingSideCastleWild:
12243 case WhiteQueenSideCastleWild:
12244 case BlackKingSideCastleWild:
12245 case BlackQueenSideCastleWild:
12247 case WhiteHSideCastleFR:
12248 case WhiteASideCastleFR:
12249 case BlackHSideCastleFR:
12250 case BlackASideCastleFR:
12252 if (appData.debugMode)
12253 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12254 fromX = currentMoveString[0] - AAA;
12255 fromY = currentMoveString[1] - ONE;
12256 toX = currentMoveString[2] - AAA;
12257 toY = currentMoveString[3] - ONE;
12258 promoChar = currentMoveString[4];
12259 if(promoChar == ';') promoChar = currentMoveString[7];
12264 if (appData.debugMode)
12265 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12266 fromX = moveType == WhiteDrop ?
12267 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12268 (int) CharToPiece(ToLower(currentMoveString[0]));
12270 toX = currentMoveString[2] - AAA;
12271 toY = currentMoveString[3] - ONE;
12277 case GameUnfinished:
12278 if (appData.debugMode)
12279 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12280 p = strchr(yy_text, '{');
12281 if (p == NULL) p = strchr(yy_text, '(');
12284 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12286 q = strchr(p, *p == '{' ? '}' : ')');
12287 if (q != NULL) *q = NULLCHAR;
12290 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12291 GameEnds(moveType, p, GE_FILE);
12293 if (cmailMsgLoaded) {
12295 flipView = WhiteOnMove(currentMove);
12296 if (moveType == GameUnfinished) flipView = !flipView;
12297 if (appData.debugMode)
12298 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12303 if (appData.debugMode)
12304 fprintf(debugFP, "Parser hit end of file\n");
12305 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12311 if (WhiteOnMove(currentMove)) {
12312 GameEnds(BlackWins, "Black mates", GE_FILE);
12314 GameEnds(WhiteWins, "White mates", GE_FILE);
12318 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12324 case MoveNumberOne:
12325 if (lastLoadGameStart == GNUChessGame) {
12326 /* GNUChessGames have numbers, but they aren't move numbers */
12327 if (appData.debugMode)
12328 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12329 yy_text, (int) moveType);
12330 return LoadGameOneMove(EndOfFile); /* tail recursion */
12332 /* else fall thru */
12337 /* Reached start of next game in file */
12338 if (appData.debugMode)
12339 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12340 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12346 if (WhiteOnMove(currentMove)) {
12347 GameEnds(BlackWins, "Black mates", GE_FILE);
12349 GameEnds(WhiteWins, "White mates", GE_FILE);
12353 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12359 case PositionDiagram: /* should not happen; ignore */
12360 case ElapsedTime: /* ignore */
12361 case NAG: /* ignore */
12362 if (appData.debugMode)
12363 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12364 yy_text, (int) moveType);
12365 return LoadGameOneMove(EndOfFile); /* tail recursion */
12368 if (appData.testLegality) {
12369 if (appData.debugMode)
12370 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12371 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12372 (forwardMostMove / 2) + 1,
12373 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12374 DisplayError(move, 0);
12377 if (appData.debugMode)
12378 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12379 yy_text, currentMoveString);
12380 if(currentMoveString[1] == '@') {
12381 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12384 fromX = currentMoveString[0] - AAA;
12385 fromY = currentMoveString[1] - ONE;
12387 toX = currentMoveString[2] - AAA;
12388 toY = currentMoveString[3] - ONE;
12389 promoChar = currentMoveString[4];
12393 case AmbiguousMove:
12394 if (appData.debugMode)
12395 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12396 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12397 (forwardMostMove / 2) + 1,
12398 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12399 DisplayError(move, 0);
12404 case ImpossibleMove:
12405 if (appData.debugMode)
12406 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12407 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12408 (forwardMostMove / 2) + 1,
12409 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12410 DisplayError(move, 0);
12416 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12417 DrawPosition(FALSE, boards[currentMove]);
12418 DisplayBothClocks();
12419 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12420 DisplayComment(currentMove - 1, commentList[currentMove]);
12422 (void) StopLoadGameTimer();
12424 cmailOldMove = forwardMostMove;
12427 /* currentMoveString is set as a side-effect of yylex */
12429 thinkOutput[0] = NULLCHAR;
12430 MakeMove(fromX, fromY, toX, toY, promoChar);
12431 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12432 currentMove = forwardMostMove;
12437 /* Load the nth game from the given file */
12439 LoadGameFromFile (char *filename, int n, char *title, int useList)
12444 if (strcmp(filename, "-") == 0) {
12448 f = fopen(filename, "rb");
12450 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12451 DisplayError(buf, errno);
12455 if (fseek(f, 0, 0) == -1) {
12456 /* f is not seekable; probably a pipe */
12459 if (useList && n == 0) {
12460 int error = GameListBuild(f);
12462 DisplayError(_("Cannot build game list"), error);
12463 } else if (!ListEmpty(&gameList) &&
12464 ((ListGame *) gameList.tailPred)->number > 1) {
12465 GameListPopUp(f, title);
12472 return LoadGame(f, n, title, FALSE);
12477 MakeRegisteredMove ()
12479 int fromX, fromY, toX, toY;
12481 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12482 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12485 if (appData.debugMode)
12486 fprintf(debugFP, "Restoring %s for game %d\n",
12487 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12489 thinkOutput[0] = NULLCHAR;
12490 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12491 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12492 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12493 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12494 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12495 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12496 MakeMove(fromX, fromY, toX, toY, promoChar);
12497 ShowMove(fromX, fromY, toX, toY);
12499 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12506 if (WhiteOnMove(currentMove)) {
12507 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12509 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12514 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12521 if (WhiteOnMove(currentMove)) {
12522 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12524 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12529 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12540 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12542 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12546 if (gameNumber > nCmailGames) {
12547 DisplayError(_("No more games in this message"), 0);
12550 if (f == lastLoadGameFP) {
12551 int offset = gameNumber - lastLoadGameNumber;
12553 cmailMsg[0] = NULLCHAR;
12554 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12555 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12556 nCmailMovesRegistered--;
12558 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12559 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12560 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12563 if (! RegisterMove()) return FALSE;
12567 retVal = LoadGame(f, gameNumber, title, useList);
12569 /* Make move registered during previous look at this game, if any */
12570 MakeRegisteredMove();
12572 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12573 commentList[currentMove]
12574 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12575 DisplayComment(currentMove - 1, commentList[currentMove]);
12581 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12583 ReloadGame (int offset)
12585 int gameNumber = lastLoadGameNumber + offset;
12586 if (lastLoadGameFP == NULL) {
12587 DisplayError(_("No game has been loaded yet"), 0);
12590 if (gameNumber <= 0) {
12591 DisplayError(_("Can't back up any further"), 0);
12594 if (cmailMsgLoaded) {
12595 return CmailLoadGame(lastLoadGameFP, gameNumber,
12596 lastLoadGameTitle, lastLoadGameUseList);
12598 return LoadGame(lastLoadGameFP, gameNumber,
12599 lastLoadGameTitle, lastLoadGameUseList);
12603 int keys[EmptySquare+1];
12606 PositionMatches (Board b1, Board b2)
12609 switch(appData.searchMode) {
12610 case 1: return CompareWithRights(b1, b2);
12612 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12613 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12617 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12618 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12619 sum += keys[b1[r][f]] - keys[b2[r][f]];
12623 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12624 sum += keys[b1[r][f]] - keys[b2[r][f]];
12636 int pieceList[256], quickBoard[256];
12637 ChessSquare pieceType[256] = { EmptySquare };
12638 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12639 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12640 int soughtTotal, turn;
12641 Boolean epOK, flipSearch;
12644 unsigned char piece, to;
12647 #define DSIZE (250000)
12649 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12650 Move *moveDatabase = initialSpace;
12651 unsigned int movePtr, dataSize = DSIZE;
12654 MakePieceList (Board board, int *counts)
12656 int r, f, n=Q_PROMO, total=0;
12657 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12658 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12659 int sq = f + (r<<4);
12660 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12661 quickBoard[sq] = ++n;
12663 pieceType[n] = board[r][f];
12664 counts[board[r][f]]++;
12665 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12666 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12670 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12675 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12677 int sq = fromX + (fromY<<4);
12678 int piece = quickBoard[sq], rook;
12679 quickBoard[sq] = 0;
12680 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12681 if(piece == pieceList[1] && fromY == toY) {
12682 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12683 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12684 moveDatabase[movePtr++].piece = Q_WCASTL;
12685 quickBoard[sq] = piece;
12686 piece = quickBoard[from]; quickBoard[from] = 0;
12687 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12688 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12689 quickBoard[sq] = 0; // remove Rook
12690 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12691 moveDatabase[movePtr++].piece = Q_WCASTL;
12692 quickBoard[sq] = pieceList[1]; // put King
12694 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12697 if(piece == pieceList[2] && fromY == toY) {
12698 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12699 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12700 moveDatabase[movePtr++].piece = Q_BCASTL;
12701 quickBoard[sq] = piece;
12702 piece = quickBoard[from]; quickBoard[from] = 0;
12703 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12704 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12705 quickBoard[sq] = 0; // remove Rook
12706 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12707 moveDatabase[movePtr++].piece = Q_BCASTL;
12708 quickBoard[sq] = pieceList[2]; // put King
12710 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12713 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12714 quickBoard[(fromY<<4)+toX] = 0;
12715 moveDatabase[movePtr].piece = Q_EP;
12716 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12717 moveDatabase[movePtr].to = sq;
12719 if(promoPiece != pieceType[piece]) {
12720 moveDatabase[movePtr++].piece = Q_PROMO;
12721 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12723 moveDatabase[movePtr].piece = piece;
12724 quickBoard[sq] = piece;
12729 PackGame (Board board)
12731 Move *newSpace = NULL;
12732 moveDatabase[movePtr].piece = 0; // terminate previous game
12733 if(movePtr > dataSize) {
12734 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12735 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12736 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12739 Move *p = moveDatabase, *q = newSpace;
12740 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12741 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12742 moveDatabase = newSpace;
12743 } else { // calloc failed, we must be out of memory. Too bad...
12744 dataSize = 0; // prevent calloc events for all subsequent games
12745 return 0; // and signal this one isn't cached
12749 MakePieceList(board, counts);
12754 QuickCompare (Board board, int *minCounts, int *maxCounts)
12755 { // compare according to search mode
12757 switch(appData.searchMode)
12759 case 1: // exact position match
12760 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12761 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12762 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12765 case 2: // can have extra material on empty squares
12766 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12767 if(board[r][f] == EmptySquare) continue;
12768 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12771 case 3: // material with exact Pawn structure
12772 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12773 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12774 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12775 } // fall through to material comparison
12776 case 4: // exact material
12777 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12779 case 6: // material range with given imbalance
12780 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12781 // fall through to range comparison
12782 case 5: // material range
12783 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12789 QuickScan (Board board, Move *move)
12790 { // reconstruct game,and compare all positions in it
12791 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12793 int piece = move->piece;
12794 int to = move->to, from = pieceList[piece];
12795 if(found < 0) { // if already found just scan to game end for final piece count
12796 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12797 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12798 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12799 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12801 static int lastCounts[EmptySquare+1];
12803 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12804 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12805 } else stretch = 0;
12806 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12807 if(found >= 0 && !appData.minPieces) return found;
12809 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12810 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12811 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12812 piece = (++move)->piece;
12813 from = pieceList[piece];
12814 counts[pieceType[piece]]--;
12815 pieceType[piece] = (ChessSquare) move->to;
12816 counts[move->to]++;
12817 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12818 counts[pieceType[quickBoard[to]]]--;
12819 quickBoard[to] = 0; total--;
12822 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12823 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12824 from = pieceList[piece]; // so this must be King
12825 quickBoard[from] = 0;
12826 pieceList[piece] = to;
12827 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12828 quickBoard[from] = 0; // rook
12829 quickBoard[to] = piece;
12830 to = move->to; piece = move->piece;
12834 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12835 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12836 quickBoard[from] = 0;
12838 quickBoard[to] = piece;
12839 pieceList[piece] = to;
12849 flipSearch = FALSE;
12850 CopyBoard(soughtBoard, boards[currentMove]);
12851 soughtTotal = MakePieceList(soughtBoard, maxSought);
12852 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12853 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12854 CopyBoard(reverseBoard, boards[currentMove]);
12855 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12856 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12857 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12858 reverseBoard[r][f] = piece;
12860 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12861 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12862 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12863 || (boards[currentMove][CASTLING][2] == NoRights ||
12864 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12865 && (boards[currentMove][CASTLING][5] == NoRights ||
12866 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12869 CopyBoard(flipBoard, soughtBoard);
12870 CopyBoard(rotateBoard, reverseBoard);
12871 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12872 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12873 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12876 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12877 if(appData.searchMode >= 5) {
12878 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12879 MakePieceList(soughtBoard, minSought);
12880 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12882 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12883 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12886 GameInfo dummyInfo;
12887 static int creatingBook;
12890 GameContainsPosition (FILE *f, ListGame *lg)
12892 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12893 int fromX, fromY, toX, toY;
12895 static int initDone=FALSE;
12897 // weed out games based on numerical tag comparison
12898 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12899 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12900 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12901 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12903 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12906 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12907 else CopyBoard(boards[scratch], initialPosition); // default start position
12910 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12911 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12914 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12915 fseek(f, lg->offset, 0);
12918 yyboardindex = scratch;
12919 quickFlag = plyNr+1;
12924 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12930 if(plyNr) return -1; // after we have seen moves, this is for new game
12933 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12934 case ImpossibleMove:
12935 case WhiteWins: // game ends here with these four
12938 case GameUnfinished:
12942 if(appData.testLegality) return -1;
12943 case WhiteCapturesEnPassant:
12944 case BlackCapturesEnPassant:
12945 case WhitePromotion:
12946 case BlackPromotion:
12947 case WhiteNonPromotion:
12948 case BlackNonPromotion:
12951 case WhiteKingSideCastle:
12952 case WhiteQueenSideCastle:
12953 case BlackKingSideCastle:
12954 case BlackQueenSideCastle:
12955 case WhiteKingSideCastleWild:
12956 case WhiteQueenSideCastleWild:
12957 case BlackKingSideCastleWild:
12958 case BlackQueenSideCastleWild:
12959 case WhiteHSideCastleFR:
12960 case WhiteASideCastleFR:
12961 case BlackHSideCastleFR:
12962 case BlackASideCastleFR:
12963 fromX = currentMoveString[0] - AAA;
12964 fromY = currentMoveString[1] - ONE;
12965 toX = currentMoveString[2] - AAA;
12966 toY = currentMoveString[3] - ONE;
12967 promoChar = currentMoveString[4];
12971 fromX = next == WhiteDrop ?
12972 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12973 (int) CharToPiece(ToLower(currentMoveString[0]));
12975 toX = currentMoveString[2] - AAA;
12976 toY = currentMoveString[3] - ONE;
12980 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12982 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12983 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12984 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12985 if(appData.findMirror) {
12986 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12987 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12992 /* Load the nth game from open file f */
12994 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12998 int gn = gameNumber;
12999 ListGame *lg = NULL;
13000 int numPGNTags = 0, i;
13002 GameMode oldGameMode;
13003 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13004 char oldName[MSG_SIZ];
13006 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13008 if (appData.debugMode)
13009 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13011 if (gameMode == Training )
13012 SetTrainingModeOff();
13014 oldGameMode = gameMode;
13015 if (gameMode != BeginningOfGame) {
13016 Reset(FALSE, TRUE);
13018 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13021 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13022 fclose(lastLoadGameFP);
13026 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13029 fseek(f, lg->offset, 0);
13030 GameListHighlight(gameNumber);
13031 pos = lg->position;
13035 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13036 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13038 DisplayError(_("Game number out of range"), 0);
13043 if (fseek(f, 0, 0) == -1) {
13044 if (f == lastLoadGameFP ?
13045 gameNumber == lastLoadGameNumber + 1 :
13049 DisplayError(_("Can't seek on game file"), 0);
13054 lastLoadGameFP = f;
13055 lastLoadGameNumber = gameNumber;
13056 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13057 lastLoadGameUseList = useList;
13061 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13062 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13063 lg->gameInfo.black);
13065 } else if (*title != NULLCHAR) {
13066 if (gameNumber > 1) {
13067 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13070 DisplayTitle(title);
13074 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13075 gameMode = PlayFromGameFile;
13079 currentMove = forwardMostMove = backwardMostMove = 0;
13080 CopyBoard(boards[0], initialPosition);
13084 * Skip the first gn-1 games in the file.
13085 * Also skip over anything that precedes an identifiable
13086 * start of game marker, to avoid being confused by
13087 * garbage at the start of the file. Currently
13088 * recognized start of game markers are the move number "1",
13089 * the pattern "gnuchess .* game", the pattern
13090 * "^[#;%] [^ ]* game file", and a PGN tag block.
13091 * A game that starts with one of the latter two patterns
13092 * will also have a move number 1, possibly
13093 * following a position diagram.
13094 * 5-4-02: Let's try being more lenient and allowing a game to
13095 * start with an unnumbered move. Does that break anything?
13097 cm = lastLoadGameStart = EndOfFile;
13099 yyboardindex = forwardMostMove;
13100 cm = (ChessMove) Myylex();
13103 if (cmailMsgLoaded) {
13104 nCmailGames = CMAIL_MAX_GAMES - gn;
13107 DisplayError(_("Game not found in file"), 0);
13114 lastLoadGameStart = cm;
13117 case MoveNumberOne:
13118 switch (lastLoadGameStart) {
13123 case MoveNumberOne:
13125 gn--; /* count this game */
13126 lastLoadGameStart = cm;
13135 switch (lastLoadGameStart) {
13138 case MoveNumberOne:
13140 gn--; /* count this game */
13141 lastLoadGameStart = cm;
13144 lastLoadGameStart = cm; /* game counted already */
13152 yyboardindex = forwardMostMove;
13153 cm = (ChessMove) Myylex();
13154 } while (cm == PGNTag || cm == Comment);
13161 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13162 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13163 != CMAIL_OLD_RESULT) {
13165 cmailResult[ CMAIL_MAX_GAMES
13166 - gn - 1] = CMAIL_OLD_RESULT;
13173 /* Only a NormalMove can be at the start of a game
13174 * without a position diagram. */
13175 if (lastLoadGameStart == EndOfFile ) {
13177 lastLoadGameStart = MoveNumberOne;
13186 if (appData.debugMode)
13187 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13189 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13191 if (cm == XBoardGame) {
13192 /* Skip any header junk before position diagram and/or move 1 */
13194 yyboardindex = forwardMostMove;
13195 cm = (ChessMove) Myylex();
13197 if (cm == EndOfFile ||
13198 cm == GNUChessGame || cm == XBoardGame) {
13199 /* Empty game; pretend end-of-file and handle later */
13204 if (cm == MoveNumberOne || cm == PositionDiagram ||
13205 cm == PGNTag || cm == Comment)
13208 } else if (cm == GNUChessGame) {
13209 if (gameInfo.event != NULL) {
13210 free(gameInfo.event);
13212 gameInfo.event = StrSave(yy_text);
13215 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13216 while (cm == PGNTag) {
13217 if (appData.debugMode)
13218 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13219 err = ParsePGNTag(yy_text, &gameInfo);
13220 if (!err) numPGNTags++;
13222 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13223 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13224 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13225 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13226 InitPosition(TRUE);
13227 oldVariant = gameInfo.variant;
13228 if (appData.debugMode)
13229 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13233 if (gameInfo.fen != NULL) {
13234 Board initial_position;
13235 startedFromSetupPosition = TRUE;
13236 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13238 DisplayError(_("Bad FEN position in file"), 0);
13241 CopyBoard(boards[0], initial_position);
13242 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13243 CopyBoard(initialPosition, initial_position);
13244 if (blackPlaysFirst) {
13245 currentMove = forwardMostMove = backwardMostMove = 1;
13246 CopyBoard(boards[1], initial_position);
13247 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13248 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13249 timeRemaining[0][1] = whiteTimeRemaining;
13250 timeRemaining[1][1] = blackTimeRemaining;
13251 if (commentList[0] != NULL) {
13252 commentList[1] = commentList[0];
13253 commentList[0] = NULL;
13256 currentMove = forwardMostMove = backwardMostMove = 0;
13258 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13260 initialRulePlies = FENrulePlies;
13261 for( i=0; i< nrCastlingRights; i++ )
13262 initialRights[i] = initial_position[CASTLING][i];
13264 yyboardindex = forwardMostMove;
13265 free(gameInfo.fen);
13266 gameInfo.fen = NULL;
13269 yyboardindex = forwardMostMove;
13270 cm = (ChessMove) Myylex();
13272 /* Handle comments interspersed among the tags */
13273 while (cm == Comment) {
13275 if (appData.debugMode)
13276 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13278 AppendComment(currentMove, p, FALSE);
13279 yyboardindex = forwardMostMove;
13280 cm = (ChessMove) Myylex();
13284 /* don't rely on existence of Event tag since if game was
13285 * pasted from clipboard the Event tag may not exist
13287 if (numPGNTags > 0){
13289 if (gameInfo.variant == VariantNormal) {
13290 VariantClass v = StringToVariant(gameInfo.event);
13291 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13292 if(v < VariantShogi) gameInfo.variant = v;
13295 if( appData.autoDisplayTags ) {
13296 tags = PGNTags(&gameInfo);
13297 TagsPopUp(tags, CmailMsg());
13302 /* Make something up, but don't display it now */
13307 if (cm == PositionDiagram) {
13310 Board initial_position;
13312 if (appData.debugMode)
13313 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13315 if (!startedFromSetupPosition) {
13317 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13318 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13329 initial_position[i][j++] = CharToPiece(*p);
13332 while (*p == ' ' || *p == '\t' ||
13333 *p == '\n' || *p == '\r') p++;
13335 if (strncmp(p, "black", strlen("black"))==0)
13336 blackPlaysFirst = TRUE;
13338 blackPlaysFirst = FALSE;
13339 startedFromSetupPosition = TRUE;
13341 CopyBoard(boards[0], initial_position);
13342 if (blackPlaysFirst) {
13343 currentMove = forwardMostMove = backwardMostMove = 1;
13344 CopyBoard(boards[1], initial_position);
13345 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13346 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13347 timeRemaining[0][1] = whiteTimeRemaining;
13348 timeRemaining[1][1] = blackTimeRemaining;
13349 if (commentList[0] != NULL) {
13350 commentList[1] = commentList[0];
13351 commentList[0] = NULL;
13354 currentMove = forwardMostMove = backwardMostMove = 0;
13357 yyboardindex = forwardMostMove;
13358 cm = (ChessMove) Myylex();
13361 if(!creatingBook) {
13362 if (first.pr == NoProc) {
13363 StartChessProgram(&first);
13365 InitChessProgram(&first, FALSE);
13366 if(gameInfo.variant == VariantUnknown && *oldName) {
13367 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13368 gameInfo.variant = v;
13370 SendToProgram("force\n", &first);
13371 if (startedFromSetupPosition) {
13372 SendBoard(&first, forwardMostMove);
13373 if (appData.debugMode) {
13374 fprintf(debugFP, "Load Game\n");
13376 DisplayBothClocks();
13380 /* [HGM] server: flag to write setup moves in broadcast file as one */
13381 loadFlag = appData.suppressLoadMoves;
13383 while (cm == Comment) {
13385 if (appData.debugMode)
13386 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13388 AppendComment(currentMove, p, FALSE);
13389 yyboardindex = forwardMostMove;
13390 cm = (ChessMove) Myylex();
13393 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13394 cm == WhiteWins || cm == BlackWins ||
13395 cm == GameIsDrawn || cm == GameUnfinished) {
13396 DisplayMessage("", _("No moves in game"));
13397 if (cmailMsgLoaded) {
13398 if (appData.debugMode)
13399 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13403 DrawPosition(FALSE, boards[currentMove]);
13404 DisplayBothClocks();
13405 gameMode = EditGame;
13412 // [HGM] PV info: routine tests if comment empty
13413 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13414 DisplayComment(currentMove - 1, commentList[currentMove]);
13416 if (!matchMode && appData.timeDelay != 0)
13417 DrawPosition(FALSE, boards[currentMove]);
13419 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13420 programStats.ok_to_send = 1;
13423 /* if the first token after the PGN tags is a move
13424 * and not move number 1, retrieve it from the parser
13426 if (cm != MoveNumberOne)
13427 LoadGameOneMove(cm);
13429 /* load the remaining moves from the file */
13430 while (LoadGameOneMove(EndOfFile)) {
13431 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13432 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13435 /* rewind to the start of the game */
13436 currentMove = backwardMostMove;
13438 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13440 if (oldGameMode == AnalyzeFile) {
13441 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13442 AnalyzeFileEvent();
13444 if (oldGameMode == AnalyzeMode) {
13445 AnalyzeFileEvent();
13448 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13449 long int w, b; // [HGM] adjourn: restore saved clock times
13450 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13451 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13452 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13453 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13457 if(creatingBook) return TRUE;
13458 if (!matchMode && pos > 0) {
13459 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13461 if (matchMode || appData.timeDelay == 0) {
13463 } else if (appData.timeDelay > 0) {
13464 AutoPlayGameLoop();
13467 if (appData.debugMode)
13468 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13470 loadFlag = 0; /* [HGM] true game starts */
13474 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13476 ReloadPosition (int offset)
13478 int positionNumber = lastLoadPositionNumber + offset;
13479 if (lastLoadPositionFP == NULL) {
13480 DisplayError(_("No position has been loaded yet"), 0);
13483 if (positionNumber <= 0) {
13484 DisplayError(_("Can't back up any further"), 0);
13487 return LoadPosition(lastLoadPositionFP, positionNumber,
13488 lastLoadPositionTitle);
13491 /* Load the nth position from the given file */
13493 LoadPositionFromFile (char *filename, int n, char *title)
13498 if (strcmp(filename, "-") == 0) {
13499 return LoadPosition(stdin, n, "stdin");
13501 f = fopen(filename, "rb");
13503 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13504 DisplayError(buf, errno);
13507 return LoadPosition(f, n, title);
13512 /* Load the nth position from the given open file, and close it */
13514 LoadPosition (FILE *f, int positionNumber, char *title)
13516 char *p, line[MSG_SIZ];
13517 Board initial_position;
13518 int i, j, fenMode, pn;
13520 if (gameMode == Training )
13521 SetTrainingModeOff();
13523 if (gameMode != BeginningOfGame) {
13524 Reset(FALSE, TRUE);
13526 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13527 fclose(lastLoadPositionFP);
13529 if (positionNumber == 0) positionNumber = 1;
13530 lastLoadPositionFP = f;
13531 lastLoadPositionNumber = positionNumber;
13532 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13533 if (first.pr == NoProc && !appData.noChessProgram) {
13534 StartChessProgram(&first);
13535 InitChessProgram(&first, FALSE);
13537 pn = positionNumber;
13538 if (positionNumber < 0) {
13539 /* Negative position number means to seek to that byte offset */
13540 if (fseek(f, -positionNumber, 0) == -1) {
13541 DisplayError(_("Can't seek on position file"), 0);
13546 if (fseek(f, 0, 0) == -1) {
13547 if (f == lastLoadPositionFP ?
13548 positionNumber == lastLoadPositionNumber + 1 :
13549 positionNumber == 1) {
13552 DisplayError(_("Can't seek on position file"), 0);
13557 /* See if this file is FEN or old-style xboard */
13558 if (fgets(line, MSG_SIZ, f) == NULL) {
13559 DisplayError(_("Position not found in file"), 0);
13562 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13563 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13566 if (fenMode || line[0] == '#') pn--;
13568 /* skip positions before number pn */
13569 if (fgets(line, MSG_SIZ, f) == NULL) {
13571 DisplayError(_("Position not found in file"), 0);
13574 if (fenMode || line[0] == '#') pn--;
13580 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13581 DisplayError(_("Bad FEN position in file"), 0);
13584 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13585 sscanf(p+4, "%[^;]", bestMove);
13586 } else *bestMove = NULLCHAR;
13587 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13588 sscanf(p+4, "%[^;]", avoidMove);
13589 } else *avoidMove = NULLCHAR;
13591 (void) fgets(line, MSG_SIZ, f);
13592 (void) fgets(line, MSG_SIZ, f);
13594 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13595 (void) fgets(line, MSG_SIZ, f);
13596 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13599 initial_position[i][j++] = CharToPiece(*p);
13603 blackPlaysFirst = FALSE;
13605 (void) fgets(line, MSG_SIZ, f);
13606 if (strncmp(line, "black", strlen("black"))==0)
13607 blackPlaysFirst = TRUE;
13610 startedFromSetupPosition = TRUE;
13612 CopyBoard(boards[0], initial_position);
13613 if (blackPlaysFirst) {
13614 currentMove = forwardMostMove = backwardMostMove = 1;
13615 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13616 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13617 CopyBoard(boards[1], initial_position);
13618 DisplayMessage("", _("Black to play"));
13620 currentMove = forwardMostMove = backwardMostMove = 0;
13621 DisplayMessage("", _("White to play"));
13623 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13624 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13625 SendToProgram("force\n", &first);
13626 SendBoard(&first, forwardMostMove);
13628 if (appData.debugMode) {
13630 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13631 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13632 fprintf(debugFP, "Load Position\n");
13635 if (positionNumber > 1) {
13636 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13637 DisplayTitle(line);
13639 DisplayTitle(title);
13641 gameMode = EditGame;
13644 timeRemaining[0][1] = whiteTimeRemaining;
13645 timeRemaining[1][1] = blackTimeRemaining;
13646 DrawPosition(FALSE, boards[currentMove]);
13653 CopyPlayerNameIntoFileName (char **dest, char *src)
13655 while (*src != NULLCHAR && *src != ',') {
13660 *(*dest)++ = *src++;
13666 DefaultFileName (char *ext)
13668 static char def[MSG_SIZ];
13671 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13673 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13675 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13677 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13684 /* Save the current game to the given file */
13686 SaveGameToFile (char *filename, int append)
13690 int result, i, t,tot=0;
13692 if (strcmp(filename, "-") == 0) {
13693 return SaveGame(stdout, 0, NULL);
13695 for(i=0; i<10; i++) { // upto 10 tries
13696 f = fopen(filename, append ? "a" : "w");
13697 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13698 if(f || errno != 13) break;
13699 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13703 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13704 DisplayError(buf, errno);
13707 safeStrCpy(buf, lastMsg, MSG_SIZ);
13708 DisplayMessage(_("Waiting for access to save file"), "");
13709 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13710 DisplayMessage(_("Saving game"), "");
13711 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13712 result = SaveGame(f, 0, NULL);
13713 DisplayMessage(buf, "");
13720 SavePart (char *str)
13722 static char buf[MSG_SIZ];
13725 p = strchr(str, ' ');
13726 if (p == NULL) return str;
13727 strncpy(buf, str, p - str);
13728 buf[p - str] = NULLCHAR;
13732 #define PGN_MAX_LINE 75
13734 #define PGN_SIDE_WHITE 0
13735 #define PGN_SIDE_BLACK 1
13738 FindFirstMoveOutOfBook (int side)
13742 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13743 int index = backwardMostMove;
13744 int has_book_hit = 0;
13746 if( (index % 2) != side ) {
13750 while( index < forwardMostMove ) {
13751 /* Check to see if engine is in book */
13752 int depth = pvInfoList[index].depth;
13753 int score = pvInfoList[index].score;
13759 else if( score == 0 && depth == 63 ) {
13760 in_book = 1; /* Zappa */
13762 else if( score == 2 && depth == 99 ) {
13763 in_book = 1; /* Abrok */
13766 has_book_hit += in_book;
13782 GetOutOfBookInfo (char * buf)
13786 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13788 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13789 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13793 if( oob[0] >= 0 || oob[1] >= 0 ) {
13794 for( i=0; i<2; i++ ) {
13798 if( i > 0 && oob[0] >= 0 ) {
13799 strcat( buf, " " );
13802 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13803 sprintf( buf+strlen(buf), "%s%.2f",
13804 pvInfoList[idx].score >= 0 ? "+" : "",
13805 pvInfoList[idx].score / 100.0 );
13811 /* Save game in PGN style */
13813 SaveGamePGN2 (FILE *f)
13815 int i, offset, linelen, newblock;
13818 int movelen, numlen, blank;
13819 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13821 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13823 PrintPGNTags(f, &gameInfo);
13825 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13827 if (backwardMostMove > 0 || startedFromSetupPosition) {
13828 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13829 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13830 fprintf(f, "\n{--------------\n");
13831 PrintPosition(f, backwardMostMove);
13832 fprintf(f, "--------------}\n");
13836 /* [AS] Out of book annotation */
13837 if( appData.saveOutOfBookInfo ) {
13840 GetOutOfBookInfo( buf );
13842 if( buf[0] != '\0' ) {
13843 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13850 i = backwardMostMove;
13854 while (i < forwardMostMove) {
13855 /* Print comments preceding this move */
13856 if (commentList[i] != NULL) {
13857 if (linelen > 0) fprintf(f, "\n");
13858 fprintf(f, "%s", commentList[i]);
13863 /* Format move number */
13865 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13868 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13870 numtext[0] = NULLCHAR;
13872 numlen = strlen(numtext);
13875 /* Print move number */
13876 blank = linelen > 0 && numlen > 0;
13877 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13886 fprintf(f, "%s", numtext);
13890 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13891 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13894 blank = linelen > 0 && movelen > 0;
13895 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13904 fprintf(f, "%s", move_buffer);
13905 linelen += movelen;
13907 /* [AS] Add PV info if present */
13908 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13909 /* [HGM] add time */
13910 char buf[MSG_SIZ]; int seconds;
13912 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13918 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13921 seconds = (seconds + 4)/10; // round to full seconds
13923 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13925 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13928 if(appData.cumulativeTimePGN) {
13929 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13932 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13933 pvInfoList[i].score >= 0 ? "+" : "",
13934 pvInfoList[i].score / 100.0,
13935 pvInfoList[i].depth,
13938 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13940 /* Print score/depth */
13941 blank = linelen > 0 && movelen > 0;
13942 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13951 fprintf(f, "%s", move_buffer);
13952 linelen += movelen;
13958 /* Start a new line */
13959 if (linelen > 0) fprintf(f, "\n");
13961 /* Print comments after last move */
13962 if (commentList[i] != NULL) {
13963 fprintf(f, "%s\n", commentList[i]);
13967 if (gameInfo.resultDetails != NULL &&
13968 gameInfo.resultDetails[0] != NULLCHAR) {
13969 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13970 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13971 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13972 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13973 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13975 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13979 /* Save game in PGN style and close the file */
13981 SaveGamePGN (FILE *f)
13985 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13989 /* Save game in old style and close the file */
13991 SaveGameOldStyle (FILE *f)
13996 tm = time((time_t *) NULL);
13998 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14001 if (backwardMostMove > 0 || startedFromSetupPosition) {
14002 fprintf(f, "\n[--------------\n");
14003 PrintPosition(f, backwardMostMove);
14004 fprintf(f, "--------------]\n");
14009 i = backwardMostMove;
14010 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14012 while (i < forwardMostMove) {
14013 if (commentList[i] != NULL) {
14014 fprintf(f, "[%s]\n", commentList[i]);
14017 if ((i % 2) == 1) {
14018 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14021 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14023 if (commentList[i] != NULL) {
14027 if (i >= forwardMostMove) {
14031 fprintf(f, "%s\n", parseList[i]);
14036 if (commentList[i] != NULL) {
14037 fprintf(f, "[%s]\n", commentList[i]);
14040 /* This isn't really the old style, but it's close enough */
14041 if (gameInfo.resultDetails != NULL &&
14042 gameInfo.resultDetails[0] != NULLCHAR) {
14043 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14044 gameInfo.resultDetails);
14046 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14053 /* Save the current game to open file f and close the file */
14055 SaveGame (FILE *f, int dummy, char *dummy2)
14057 if (gameMode == EditPosition) EditPositionDone(TRUE);
14058 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14059 if (appData.oldSaveStyle)
14060 return SaveGameOldStyle(f);
14062 return SaveGamePGN(f);
14065 /* Save the current position to the given file */
14067 SavePositionToFile (char *filename)
14072 if (strcmp(filename, "-") == 0) {
14073 return SavePosition(stdout, 0, NULL);
14075 f = fopen(filename, "a");
14077 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14078 DisplayError(buf, errno);
14081 safeStrCpy(buf, lastMsg, MSG_SIZ);
14082 DisplayMessage(_("Waiting for access to save file"), "");
14083 flock(fileno(f), LOCK_EX); // [HGM] lock
14084 DisplayMessage(_("Saving position"), "");
14085 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14086 SavePosition(f, 0, NULL);
14087 DisplayMessage(buf, "");
14093 /* Save the current position to the given open file and close the file */
14095 SavePosition (FILE *f, int dummy, char *dummy2)
14100 if (gameMode == EditPosition) EditPositionDone(TRUE);
14101 if (appData.oldSaveStyle) {
14102 tm = time((time_t *) NULL);
14104 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14106 fprintf(f, "[--------------\n");
14107 PrintPosition(f, currentMove);
14108 fprintf(f, "--------------]\n");
14110 fen = PositionToFEN(currentMove, NULL, 1);
14111 fprintf(f, "%s\n", fen);
14119 ReloadCmailMsgEvent (int unregister)
14122 static char *inFilename = NULL;
14123 static char *outFilename;
14125 struct stat inbuf, outbuf;
14128 /* Any registered moves are unregistered if unregister is set, */
14129 /* i.e. invoked by the signal handler */
14131 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14132 cmailMoveRegistered[i] = FALSE;
14133 if (cmailCommentList[i] != NULL) {
14134 free(cmailCommentList[i]);
14135 cmailCommentList[i] = NULL;
14138 nCmailMovesRegistered = 0;
14141 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14142 cmailResult[i] = CMAIL_NOT_RESULT;
14146 if (inFilename == NULL) {
14147 /* Because the filenames are static they only get malloced once */
14148 /* and they never get freed */
14149 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14150 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14152 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14153 sprintf(outFilename, "%s.out", appData.cmailGameName);
14156 status = stat(outFilename, &outbuf);
14158 cmailMailedMove = FALSE;
14160 status = stat(inFilename, &inbuf);
14161 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14164 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14165 counts the games, notes how each one terminated, etc.
14167 It would be nice to remove this kludge and instead gather all
14168 the information while building the game list. (And to keep it
14169 in the game list nodes instead of having a bunch of fixed-size
14170 parallel arrays.) Note this will require getting each game's
14171 termination from the PGN tags, as the game list builder does
14172 not process the game moves. --mann
14174 cmailMsgLoaded = TRUE;
14175 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14177 /* Load first game in the file or popup game menu */
14178 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14180 #endif /* !WIN32 */
14188 char string[MSG_SIZ];
14190 if ( cmailMailedMove
14191 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14192 return TRUE; /* Allow free viewing */
14195 /* Unregister move to ensure that we don't leave RegisterMove */
14196 /* with the move registered when the conditions for registering no */
14198 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14199 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14200 nCmailMovesRegistered --;
14202 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14204 free(cmailCommentList[lastLoadGameNumber - 1]);
14205 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14209 if (cmailOldMove == -1) {
14210 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14214 if (currentMove > cmailOldMove + 1) {
14215 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14219 if (currentMove < cmailOldMove) {
14220 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14224 if (forwardMostMove > currentMove) {
14225 /* Silently truncate extra moves */
14229 if ( (currentMove == cmailOldMove + 1)
14230 || ( (currentMove == cmailOldMove)
14231 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14232 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14233 if (gameInfo.result != GameUnfinished) {
14234 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14237 if (commentList[currentMove] != NULL) {
14238 cmailCommentList[lastLoadGameNumber - 1]
14239 = StrSave(commentList[currentMove]);
14241 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14243 if (appData.debugMode)
14244 fprintf(debugFP, "Saving %s for game %d\n",
14245 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14247 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14249 f = fopen(string, "w");
14250 if (appData.oldSaveStyle) {
14251 SaveGameOldStyle(f); /* also closes the file */
14253 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14254 f = fopen(string, "w");
14255 SavePosition(f, 0, NULL); /* also closes the file */
14257 fprintf(f, "{--------------\n");
14258 PrintPosition(f, currentMove);
14259 fprintf(f, "--------------}\n\n");
14261 SaveGame(f, 0, NULL); /* also closes the file*/
14264 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14265 nCmailMovesRegistered ++;
14266 } else if (nCmailGames == 1) {
14267 DisplayError(_("You have not made a move yet"), 0);
14278 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14279 FILE *commandOutput;
14280 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14281 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14287 if (! cmailMsgLoaded) {
14288 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14292 if (nCmailGames == nCmailResults) {
14293 DisplayError(_("No unfinished games"), 0);
14297 #if CMAIL_PROHIBIT_REMAIL
14298 if (cmailMailedMove) {
14299 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);
14300 DisplayError(msg, 0);
14305 if (! (cmailMailedMove || RegisterMove())) return;
14307 if ( cmailMailedMove
14308 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14309 snprintf(string, MSG_SIZ, partCommandString,
14310 appData.debugMode ? " -v" : "", appData.cmailGameName);
14311 commandOutput = popen(string, "r");
14313 if (commandOutput == NULL) {
14314 DisplayError(_("Failed to invoke cmail"), 0);
14316 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14317 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14319 if (nBuffers > 1) {
14320 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14321 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14322 nBytes = MSG_SIZ - 1;
14324 (void) memcpy(msg, buffer, nBytes);
14326 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14328 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14329 cmailMailedMove = TRUE; /* Prevent >1 moves */
14332 for (i = 0; i < nCmailGames; i ++) {
14333 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14338 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14340 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14342 appData.cmailGameName,
14344 LoadGameFromFile(buffer, 1, buffer, FALSE);
14345 cmailMsgLoaded = FALSE;
14349 DisplayInformation(msg);
14350 pclose(commandOutput);
14353 if ((*cmailMsg) != '\0') {
14354 DisplayInformation(cmailMsg);
14359 #endif /* !WIN32 */
14368 int prependComma = 0;
14370 char string[MSG_SIZ]; /* Space for game-list */
14373 if (!cmailMsgLoaded) return "";
14375 if (cmailMailedMove) {
14376 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14378 /* Create a list of games left */
14379 snprintf(string, MSG_SIZ, "[");
14380 for (i = 0; i < nCmailGames; i ++) {
14381 if (! ( cmailMoveRegistered[i]
14382 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14383 if (prependComma) {
14384 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14386 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14390 strcat(string, number);
14393 strcat(string, "]");
14395 if (nCmailMovesRegistered + nCmailResults == 0) {
14396 switch (nCmailGames) {
14398 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14402 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14406 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14411 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14413 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14418 if (nCmailResults == nCmailGames) {
14419 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14421 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14426 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14438 if (gameMode == Training)
14439 SetTrainingModeOff();
14442 cmailMsgLoaded = FALSE;
14443 if (appData.icsActive) {
14444 SendToICS(ics_prefix);
14445 SendToICS("refresh\n");
14450 ExitEvent (int status)
14454 /* Give up on clean exit */
14458 /* Keep trying for clean exit */
14462 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14463 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14465 if (telnetISR != NULL) {
14466 RemoveInputSource(telnetISR);
14468 if (icsPR != NoProc) {
14469 DestroyChildProcess(icsPR, TRUE);
14472 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14473 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14475 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14476 /* make sure this other one finishes before killing it! */
14477 if(endingGame) { int count = 0;
14478 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14479 while(endingGame && count++ < 10) DoSleep(1);
14480 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14483 /* Kill off chess programs */
14484 if (first.pr != NoProc) {
14487 DoSleep( appData.delayBeforeQuit );
14488 SendToProgram("quit\n", &first);
14489 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14491 if (second.pr != NoProc) {
14492 DoSleep( appData.delayBeforeQuit );
14493 SendToProgram("quit\n", &second);
14494 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14496 if (first.isr != NULL) {
14497 RemoveInputSource(first.isr);
14499 if (second.isr != NULL) {
14500 RemoveInputSource(second.isr);
14503 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14504 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14506 ShutDownFrontEnd();
14511 PauseEngine (ChessProgramState *cps)
14513 SendToProgram("pause\n", cps);
14518 UnPauseEngine (ChessProgramState *cps)
14520 SendToProgram("resume\n", cps);
14527 if (appData.debugMode)
14528 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14532 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14534 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14535 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14536 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14538 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14539 HandleMachineMove(stashedInputMove, stalledEngine);
14540 stalledEngine = NULL;
14543 if (gameMode == MachinePlaysWhite ||
14544 gameMode == TwoMachinesPlay ||
14545 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14546 if(first.pause) UnPauseEngine(&first);
14547 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14548 if(second.pause) UnPauseEngine(&second);
14549 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14552 DisplayBothClocks();
14554 if (gameMode == PlayFromGameFile) {
14555 if (appData.timeDelay >= 0)
14556 AutoPlayGameLoop();
14557 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14558 Reset(FALSE, TRUE);
14559 SendToICS(ics_prefix);
14560 SendToICS("refresh\n");
14561 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14562 ForwardInner(forwardMostMove);
14564 pauseExamInvalid = FALSE;
14566 switch (gameMode) {
14570 pauseExamForwardMostMove = forwardMostMove;
14571 pauseExamInvalid = FALSE;
14574 case IcsPlayingWhite:
14575 case IcsPlayingBlack:
14579 case PlayFromGameFile:
14580 (void) StopLoadGameTimer();
14584 case BeginningOfGame:
14585 if (appData.icsActive) return;
14586 /* else fall through */
14587 case MachinePlaysWhite:
14588 case MachinePlaysBlack:
14589 case TwoMachinesPlay:
14590 if (forwardMostMove == 0)
14591 return; /* don't pause if no one has moved */
14592 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14593 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14594 if(onMove->pause) { // thinking engine can be paused
14595 PauseEngine(onMove); // do it
14596 if(onMove->other->pause) // pondering opponent can always be paused immediately
14597 PauseEngine(onMove->other);
14599 SendToProgram("easy\n", onMove->other);
14601 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14602 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14604 PauseEngine(&first);
14606 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14607 } else { // human on move, pause pondering by either method
14609 PauseEngine(&first);
14610 else if(appData.ponderNextMove)
14611 SendToProgram("easy\n", &first);
14614 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14624 EditCommentEvent ()
14626 char title[MSG_SIZ];
14628 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14629 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14631 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14632 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14633 parseList[currentMove - 1]);
14636 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14643 char *tags = PGNTags(&gameInfo);
14645 EditTagsPopUp(tags, NULL);
14652 if(second.analyzing) {
14653 SendToProgram("exit\n", &second);
14654 second.analyzing = FALSE;
14656 if (second.pr == NoProc) StartChessProgram(&second);
14657 InitChessProgram(&second, FALSE);
14658 FeedMovesToProgram(&second, currentMove);
14660 SendToProgram("analyze\n", &second);
14661 second.analyzing = TRUE;
14665 /* Toggle ShowThinking */
14667 ToggleShowThinking()
14669 appData.showThinking = !appData.showThinking;
14670 ShowThinkingEvent();
14674 AnalyzeModeEvent ()
14678 if (!first.analysisSupport) {
14679 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14680 DisplayError(buf, 0);
14683 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14684 if (appData.icsActive) {
14685 if (gameMode != IcsObserving) {
14686 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14687 DisplayError(buf, 0);
14689 if (appData.icsEngineAnalyze) {
14690 if (appData.debugMode)
14691 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14697 /* if enable, user wants to disable icsEngineAnalyze */
14698 if (appData.icsEngineAnalyze) {
14703 appData.icsEngineAnalyze = TRUE;
14704 if (appData.debugMode)
14705 fprintf(debugFP, "ICS engine analyze starting... \n");
14708 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14709 if (appData.noChessProgram || gameMode == AnalyzeMode)
14712 if (gameMode != AnalyzeFile) {
14713 if (!appData.icsEngineAnalyze) {
14715 if (gameMode != EditGame) return 0;
14717 if (!appData.showThinking) ToggleShowThinking();
14718 ResurrectChessProgram();
14719 SendToProgram("analyze\n", &first);
14720 first.analyzing = TRUE;
14721 /*first.maybeThinking = TRUE;*/
14722 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14723 EngineOutputPopUp();
14725 if (!appData.icsEngineAnalyze) {
14726 gameMode = AnalyzeMode;
14727 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14733 StartAnalysisClock();
14734 GetTimeMark(&lastNodeCountTime);
14740 AnalyzeFileEvent ()
14742 if (appData.noChessProgram || gameMode == AnalyzeFile)
14745 if (!first.analysisSupport) {
14747 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14748 DisplayError(buf, 0);
14752 if (gameMode != AnalyzeMode) {
14753 keepInfo = 1; // mere annotating should not alter PGN tags
14756 if (gameMode != EditGame) return;
14757 if (!appData.showThinking) ToggleShowThinking();
14758 ResurrectChessProgram();
14759 SendToProgram("analyze\n", &first);
14760 first.analyzing = TRUE;
14761 /*first.maybeThinking = TRUE;*/
14762 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14763 EngineOutputPopUp();
14765 gameMode = AnalyzeFile;
14769 StartAnalysisClock();
14770 GetTimeMark(&lastNodeCountTime);
14772 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14773 AnalysisPeriodicEvent(1);
14777 MachineWhiteEvent ()
14780 char *bookHit = NULL;
14782 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14786 if (gameMode == PlayFromGameFile ||
14787 gameMode == TwoMachinesPlay ||
14788 gameMode == Training ||
14789 gameMode == AnalyzeMode ||
14790 gameMode == EndOfGame)
14793 if (gameMode == EditPosition)
14794 EditPositionDone(TRUE);
14796 if (!WhiteOnMove(currentMove)) {
14797 DisplayError(_("It is not White's turn"), 0);
14801 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14804 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14805 gameMode == AnalyzeFile)
14808 ResurrectChessProgram(); /* in case it isn't running */
14809 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14810 gameMode = MachinePlaysWhite;
14813 gameMode = MachinePlaysWhite;
14817 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14819 if (first.sendName) {
14820 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14821 SendToProgram(buf, &first);
14823 if (first.sendTime) {
14824 if (first.useColors) {
14825 SendToProgram("black\n", &first); /*gnu kludge*/
14827 SendTimeRemaining(&first, TRUE);
14829 if (first.useColors) {
14830 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14832 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14833 SetMachineThinkingEnables();
14834 first.maybeThinking = TRUE;
14838 if (appData.autoFlipView && !flipView) {
14839 flipView = !flipView;
14840 DrawPosition(FALSE, NULL);
14841 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14844 if(bookHit) { // [HGM] book: simulate book reply
14845 static char bookMove[MSG_SIZ]; // a bit generous?
14847 programStats.nodes = programStats.depth = programStats.time =
14848 programStats.score = programStats.got_only_move = 0;
14849 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14851 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14852 strcat(bookMove, bookHit);
14853 HandleMachineMove(bookMove, &first);
14858 MachineBlackEvent ()
14861 char *bookHit = NULL;
14863 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14867 if (gameMode == PlayFromGameFile ||
14868 gameMode == TwoMachinesPlay ||
14869 gameMode == Training ||
14870 gameMode == AnalyzeMode ||
14871 gameMode == EndOfGame)
14874 if (gameMode == EditPosition)
14875 EditPositionDone(TRUE);
14877 if (WhiteOnMove(currentMove)) {
14878 DisplayError(_("It is not Black's turn"), 0);
14882 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14885 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14886 gameMode == AnalyzeFile)
14889 ResurrectChessProgram(); /* in case it isn't running */
14890 gameMode = MachinePlaysBlack;
14894 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14896 if (first.sendName) {
14897 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14898 SendToProgram(buf, &first);
14900 if (first.sendTime) {
14901 if (first.useColors) {
14902 SendToProgram("white\n", &first); /*gnu kludge*/
14904 SendTimeRemaining(&first, FALSE);
14906 if (first.useColors) {
14907 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14909 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14910 SetMachineThinkingEnables();
14911 first.maybeThinking = TRUE;
14914 if (appData.autoFlipView && flipView) {
14915 flipView = !flipView;
14916 DrawPosition(FALSE, NULL);
14917 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14919 if(bookHit) { // [HGM] book: simulate book reply
14920 static char bookMove[MSG_SIZ]; // a bit generous?
14922 programStats.nodes = programStats.depth = programStats.time =
14923 programStats.score = programStats.got_only_move = 0;
14924 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14926 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14927 strcat(bookMove, bookHit);
14928 HandleMachineMove(bookMove, &first);
14934 DisplayTwoMachinesTitle ()
14937 if (appData.matchGames > 0) {
14938 if(appData.tourneyFile[0]) {
14939 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14940 gameInfo.white, _("vs."), gameInfo.black,
14941 nextGame+1, appData.matchGames+1,
14942 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14944 if (first.twoMachinesColor[0] == 'w') {
14945 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14946 gameInfo.white, _("vs."), gameInfo.black,
14947 first.matchWins, second.matchWins,
14948 matchGame - 1 - (first.matchWins + second.matchWins));
14950 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14951 gameInfo.white, _("vs."), gameInfo.black,
14952 second.matchWins, first.matchWins,
14953 matchGame - 1 - (first.matchWins + second.matchWins));
14956 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14962 SettingsMenuIfReady ()
14964 if (second.lastPing != second.lastPong) {
14965 DisplayMessage("", _("Waiting for second chess program"));
14966 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14970 DisplayMessage("", "");
14971 SettingsPopUp(&second);
14975 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14978 if (cps->pr == NoProc) {
14979 StartChessProgram(cps);
14980 if (cps->protocolVersion == 1) {
14982 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14984 /* kludge: allow timeout for initial "feature" command */
14985 if(retry != TwoMachinesEventIfReady) FreezeUI();
14986 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14987 DisplayMessage("", buf);
14988 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14996 TwoMachinesEvent P((void))
15000 ChessProgramState *onmove;
15001 char *bookHit = NULL;
15002 static int stalling = 0;
15006 if (appData.noChessProgram) return;
15008 switch (gameMode) {
15009 case TwoMachinesPlay:
15011 case MachinePlaysWhite:
15012 case MachinePlaysBlack:
15013 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15014 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15018 case BeginningOfGame:
15019 case PlayFromGameFile:
15022 if (gameMode != EditGame) return;
15025 EditPositionDone(TRUE);
15036 // forwardMostMove = currentMove;
15037 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15038 startingEngine = TRUE;
15040 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15042 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15043 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15044 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15048 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15050 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15051 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15052 startingEngine = matchMode = FALSE;
15053 DisplayError("second engine does not play this", 0);
15054 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15055 EditGameEvent(); // switch back to EditGame mode
15060 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15061 SendToProgram("force\n", &second);
15063 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15067 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15068 if(appData.matchPause>10000 || appData.matchPause<10)
15069 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15070 wait = SubtractTimeMarks(&now, &pauseStart);
15071 if(wait < appData.matchPause) {
15072 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15075 // we are now committed to starting the game
15077 DisplayMessage("", "");
15079 if (startedFromSetupPosition) {
15080 SendBoard(&second, backwardMostMove);
15081 if (appData.debugMode) {
15082 fprintf(debugFP, "Two Machines\n");
15085 for (i = backwardMostMove; i < forwardMostMove; i++) {
15086 SendMoveToProgram(i, &second);
15090 gameMode = TwoMachinesPlay;
15091 pausing = startingEngine = FALSE;
15092 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15094 DisplayTwoMachinesTitle();
15096 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15101 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15102 SendToProgram(first.computerString, &first);
15103 if (first.sendName) {
15104 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15105 SendToProgram(buf, &first);
15108 SendToProgram(second.computerString, &second);
15109 if (second.sendName) {
15110 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15111 SendToProgram(buf, &second);
15116 if (!first.sendTime || !second.sendTime) {
15117 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15118 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15120 if (onmove->sendTime) {
15121 if (onmove->useColors) {
15122 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15124 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15126 if (onmove->useColors) {
15127 SendToProgram(onmove->twoMachinesColor, onmove);
15129 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15130 // SendToProgram("go\n", onmove);
15131 onmove->maybeThinking = TRUE;
15132 SetMachineThinkingEnables();
15136 if(bookHit) { // [HGM] book: simulate book reply
15137 static char bookMove[MSG_SIZ]; // a bit generous?
15139 programStats.nodes = programStats.depth = programStats.time =
15140 programStats.score = programStats.got_only_move = 0;
15141 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15143 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15144 strcat(bookMove, bookHit);
15145 savedMessage = bookMove; // args for deferred call
15146 savedState = onmove;
15147 ScheduleDelayedEvent(DeferredBookMove, 1);
15154 if (gameMode == Training) {
15155 SetTrainingModeOff();
15156 gameMode = PlayFromGameFile;
15157 DisplayMessage("", _("Training mode off"));
15159 gameMode = Training;
15160 animateTraining = appData.animate;
15162 /* make sure we are not already at the end of the game */
15163 if (currentMove < forwardMostMove) {
15164 SetTrainingModeOn();
15165 DisplayMessage("", _("Training mode on"));
15167 gameMode = PlayFromGameFile;
15168 DisplayError(_("Already at end of game"), 0);
15177 if (!appData.icsActive) return;
15178 switch (gameMode) {
15179 case IcsPlayingWhite:
15180 case IcsPlayingBlack:
15183 case BeginningOfGame:
15191 EditPositionDone(TRUE);
15204 gameMode = IcsIdle;
15214 switch (gameMode) {
15216 SetTrainingModeOff();
15218 case MachinePlaysWhite:
15219 case MachinePlaysBlack:
15220 case BeginningOfGame:
15221 SendToProgram("force\n", &first);
15222 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15223 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15225 abortEngineThink = TRUE;
15226 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15227 SendToProgram(buf, &first);
15228 DisplayMessage("Aborting engine think", "");
15232 SetUserThinkingEnables();
15234 case PlayFromGameFile:
15235 (void) StopLoadGameTimer();
15236 if (gameFileFP != NULL) {
15241 EditPositionDone(TRUE);
15246 SendToProgram("force\n", &first);
15248 case TwoMachinesPlay:
15249 GameEnds(EndOfFile, NULL, GE_PLAYER);
15250 ResurrectChessProgram();
15251 SetUserThinkingEnables();
15254 ResurrectChessProgram();
15256 case IcsPlayingBlack:
15257 case IcsPlayingWhite:
15258 DisplayError(_("Warning: You are still playing a game"), 0);
15261 DisplayError(_("Warning: You are still observing a game"), 0);
15264 DisplayError(_("Warning: You are still examining a game"), 0);
15275 first.offeredDraw = second.offeredDraw = 0;
15277 if (gameMode == PlayFromGameFile) {
15278 whiteTimeRemaining = timeRemaining[0][currentMove];
15279 blackTimeRemaining = timeRemaining[1][currentMove];
15283 if (gameMode == MachinePlaysWhite ||
15284 gameMode == MachinePlaysBlack ||
15285 gameMode == TwoMachinesPlay ||
15286 gameMode == EndOfGame) {
15287 i = forwardMostMove;
15288 while (i > currentMove) {
15289 SendToProgram("undo\n", &first);
15292 if(!adjustedClock) {
15293 whiteTimeRemaining = timeRemaining[0][currentMove];
15294 blackTimeRemaining = timeRemaining[1][currentMove];
15295 DisplayBothClocks();
15297 if (whiteFlag || blackFlag) {
15298 whiteFlag = blackFlag = 0;
15303 gameMode = EditGame;
15309 EditPositionEvent ()
15312 if (gameMode == EditPosition) {
15318 if (gameMode != EditGame) return;
15320 gameMode = EditPosition;
15323 CopyBoard(rightsBoard, nullBoard);
15324 if (currentMove > 0)
15325 CopyBoard(boards[0], boards[currentMove]);
15326 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15327 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15329 blackPlaysFirst = !WhiteOnMove(currentMove);
15331 currentMove = forwardMostMove = backwardMostMove = 0;
15332 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15334 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15340 /* [DM] icsEngineAnalyze - possible call from other functions */
15341 if (appData.icsEngineAnalyze) {
15342 appData.icsEngineAnalyze = FALSE;
15344 DisplayMessage("",_("Close ICS engine analyze..."));
15346 if (first.analysisSupport && first.analyzing) {
15347 SendToBoth("exit\n");
15348 first.analyzing = second.analyzing = FALSE;
15350 thinkOutput[0] = NULLCHAR;
15354 EditPositionDone (Boolean fakeRights)
15356 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15358 startedFromSetupPosition = TRUE;
15359 InitChessProgram(&first, FALSE);
15360 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15362 boards[0][EP_STATUS] = EP_NONE;
15363 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15364 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15365 if(rightsBoard[r][f]) {
15366 ChessSquare p = boards[0][r][f];
15367 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15368 else if(p == king) boards[0][CASTLING][2] = f;
15369 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15370 else rightsBoard[r][f] = 2; // mark for second pass
15373 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15374 if(rightsBoard[r][f] == 2) {
15375 ChessSquare p = boards[0][r][f];
15376 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15377 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15381 SendToProgram("force\n", &first);
15382 if (blackPlaysFirst) {
15383 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15384 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15385 currentMove = forwardMostMove = backwardMostMove = 1;
15386 CopyBoard(boards[1], boards[0]);
15388 currentMove = forwardMostMove = backwardMostMove = 0;
15390 SendBoard(&first, forwardMostMove);
15391 if (appData.debugMode) {
15392 fprintf(debugFP, "EditPosDone\n");
15395 DisplayMessage("", "");
15396 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15397 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15398 gameMode = EditGame;
15400 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15401 ClearHighlights(); /* [AS] */
15404 /* Pause for `ms' milliseconds */
15405 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15407 TimeDelay (long ms)
15414 } while (SubtractTimeMarks(&m2, &m1) < ms);
15417 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15419 SendMultiLineToICS (char *buf)
15421 char temp[MSG_SIZ+1], *p;
15428 strncpy(temp, buf, len);
15433 if (*p == '\n' || *p == '\r')
15438 strcat(temp, "\n");
15440 SendToPlayer(temp, strlen(temp));
15444 SetWhiteToPlayEvent ()
15446 if (gameMode == EditPosition) {
15447 blackPlaysFirst = FALSE;
15448 DisplayBothClocks(); /* works because currentMove is 0 */
15449 } else if (gameMode == IcsExamining) {
15450 SendToICS(ics_prefix);
15451 SendToICS("tomove white\n");
15456 SetBlackToPlayEvent ()
15458 if (gameMode == EditPosition) {
15459 blackPlaysFirst = TRUE;
15460 currentMove = 1; /* kludge */
15461 DisplayBothClocks();
15463 } else if (gameMode == IcsExamining) {
15464 SendToICS(ics_prefix);
15465 SendToICS("tomove black\n");
15470 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15473 ChessSquare piece = boards[0][y][x];
15474 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15475 static int lastVariant;
15476 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15478 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15480 switch (selection) {
15482 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15483 MarkTargetSquares(1);
15484 CopyBoard(currentBoard, boards[0]);
15485 CopyBoard(menuBoard, initialPosition);
15486 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15487 SendToICS(ics_prefix);
15488 SendToICS("bsetup clear\n");
15489 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15490 SendToICS(ics_prefix);
15491 SendToICS("clearboard\n");
15494 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15495 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15496 for (y = 0; y < BOARD_HEIGHT; y++) {
15497 if (gameMode == IcsExamining) {
15498 if (boards[currentMove][y][x] != EmptySquare) {
15499 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15503 } else if(boards[0][y][x] != DarkSquare) {
15504 if(boards[0][y][x] != p) nonEmpty++;
15505 boards[0][y][x] = p;
15509 CopyBoard(rightsBoard, nullBoard);
15510 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15512 for(r = 0; r < BOARD_HEIGHT; r++) {
15513 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15514 ChessSquare p = menuBoard[r][x];
15515 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15518 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15519 DisplayMessage("Clicking clock again restores position", "");
15520 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15521 if(!nonEmpty) { // asked to clear an empty board
15522 CopyBoard(boards[0], menuBoard);
15524 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15525 CopyBoard(boards[0], initialPosition);
15527 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15528 && !CompareBoards(nullBoard, erasedBoard)) {
15529 CopyBoard(boards[0], erasedBoard);
15531 CopyBoard(erasedBoard, currentBoard);
15533 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15534 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15537 if (gameMode == EditPosition) {
15538 DrawPosition(FALSE, boards[0]);
15543 SetWhiteToPlayEvent();
15547 SetBlackToPlayEvent();
15551 if (gameMode == IcsExamining) {
15552 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15553 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15556 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15557 if(x == BOARD_LEFT-2) {
15558 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15559 boards[0][y][1] = 0;
15561 if(x == BOARD_RGHT+1) {
15562 if(y >= gameInfo.holdingsSize) break;
15563 boards[0][y][BOARD_WIDTH-2] = 0;
15566 boards[0][y][x] = EmptySquare;
15567 DrawPosition(FALSE, boards[0]);
15572 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15573 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15574 selection = (ChessSquare) (PROMOTED(piece));
15575 } else if(piece == EmptySquare) selection = WhiteSilver;
15576 else selection = (ChessSquare)((int)piece - 1);
15580 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15581 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15582 selection = (ChessSquare) (DEMOTED(piece));
15583 } else if(piece == EmptySquare) selection = BlackSilver;
15584 else selection = (ChessSquare)((int)piece + 1);
15589 if(gameInfo.variant == VariantShatranj ||
15590 gameInfo.variant == VariantXiangqi ||
15591 gameInfo.variant == VariantCourier ||
15592 gameInfo.variant == VariantASEAN ||
15593 gameInfo.variant == VariantMakruk )
15594 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15600 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15601 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15607 if(gameInfo.variant == VariantXiangqi)
15608 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15609 if(gameInfo.variant == VariantKnightmate)
15610 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15611 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15614 if (gameMode == IcsExamining) {
15615 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15616 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15617 PieceToChar(selection), AAA + x, ONE + y);
15620 rightsBoard[y][x] = hasRights;
15621 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15623 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15624 n = PieceToNumber(selection - BlackPawn);
15625 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15626 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15627 boards[0][BOARD_HEIGHT-1-n][1]++;
15629 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15630 n = PieceToNumber(selection);
15631 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15632 boards[0][n][BOARD_WIDTH-1] = selection;
15633 boards[0][n][BOARD_WIDTH-2]++;
15636 boards[0][y][x] = selection;
15637 DrawPosition(TRUE, boards[0]);
15639 fromX = fromY = -1;
15647 DropMenuEvent (ChessSquare selection, int x, int y)
15649 ChessMove moveType;
15651 switch (gameMode) {
15652 case IcsPlayingWhite:
15653 case MachinePlaysBlack:
15654 if (!WhiteOnMove(currentMove)) {
15655 DisplayMoveError(_("It is Black's turn"));
15658 moveType = WhiteDrop;
15660 case IcsPlayingBlack:
15661 case MachinePlaysWhite:
15662 if (WhiteOnMove(currentMove)) {
15663 DisplayMoveError(_("It is White's turn"));
15666 moveType = BlackDrop;
15669 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15675 if (moveType == BlackDrop && selection < BlackPawn) {
15676 selection = (ChessSquare) ((int) selection
15677 + (int) BlackPawn - (int) WhitePawn);
15679 if (boards[currentMove][y][x] != EmptySquare) {
15680 DisplayMoveError(_("That square is occupied"));
15684 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15690 /* Accept a pending offer of any kind from opponent */
15692 if (appData.icsActive) {
15693 SendToICS(ics_prefix);
15694 SendToICS("accept\n");
15695 } else if (cmailMsgLoaded) {
15696 if (currentMove == cmailOldMove &&
15697 commentList[cmailOldMove] != NULL &&
15698 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15699 "Black offers a draw" : "White offers a draw")) {
15701 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15702 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15704 DisplayError(_("There is no pending offer on this move"), 0);
15705 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15708 /* Not used for offers from chess program */
15715 /* Decline a pending offer of any kind from opponent */
15717 if (appData.icsActive) {
15718 SendToICS(ics_prefix);
15719 SendToICS("decline\n");
15720 } else if (cmailMsgLoaded) {
15721 if (currentMove == cmailOldMove &&
15722 commentList[cmailOldMove] != NULL &&
15723 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15724 "Black offers a draw" : "White offers a draw")) {
15726 AppendComment(cmailOldMove, "Draw declined", TRUE);
15727 DisplayComment(cmailOldMove - 1, "Draw declined");
15730 DisplayError(_("There is no pending offer on this move"), 0);
15733 /* Not used for offers from chess program */
15740 /* Issue ICS rematch command */
15741 if (appData.icsActive) {
15742 SendToICS(ics_prefix);
15743 SendToICS("rematch\n");
15750 /* Call your opponent's flag (claim a win on time) */
15751 if (appData.icsActive) {
15752 SendToICS(ics_prefix);
15753 SendToICS("flag\n");
15755 switch (gameMode) {
15758 case MachinePlaysWhite:
15761 GameEnds(GameIsDrawn, "Both players ran out of time",
15764 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15766 DisplayError(_("Your opponent is not out of time"), 0);
15769 case MachinePlaysBlack:
15772 GameEnds(GameIsDrawn, "Both players ran out of time",
15775 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15777 DisplayError(_("Your opponent is not out of time"), 0);
15785 ClockClick (int which)
15786 { // [HGM] code moved to back-end from winboard.c
15787 if(which) { // black clock
15788 if (gameMode == EditPosition || gameMode == IcsExamining) {
15789 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15790 SetBlackToPlayEvent();
15791 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15792 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15793 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15794 } else if (shiftKey) {
15795 AdjustClock(which, -1);
15796 } else if (gameMode == IcsPlayingWhite ||
15797 gameMode == MachinePlaysBlack) {
15800 } else { // white clock
15801 if (gameMode == EditPosition || gameMode == IcsExamining) {
15802 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15803 SetWhiteToPlayEvent();
15804 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15805 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15806 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15807 } else if (shiftKey) {
15808 AdjustClock(which, -1);
15809 } else if (gameMode == IcsPlayingBlack ||
15810 gameMode == MachinePlaysWhite) {
15819 /* Offer draw or accept pending draw offer from opponent */
15821 if (appData.icsActive) {
15822 /* Note: tournament rules require draw offers to be
15823 made after you make your move but before you punch
15824 your clock. Currently ICS doesn't let you do that;
15825 instead, you immediately punch your clock after making
15826 a move, but you can offer a draw at any time. */
15828 SendToICS(ics_prefix);
15829 SendToICS("draw\n");
15830 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15831 } else if (cmailMsgLoaded) {
15832 if (currentMove == cmailOldMove &&
15833 commentList[cmailOldMove] != NULL &&
15834 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15835 "Black offers a draw" : "White offers a draw")) {
15836 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15837 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15838 } else if (currentMove == cmailOldMove + 1) {
15839 char *offer = WhiteOnMove(cmailOldMove) ?
15840 "White offers a draw" : "Black offers a draw";
15841 AppendComment(currentMove, offer, TRUE);
15842 DisplayComment(currentMove - 1, offer);
15843 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15845 DisplayError(_("You must make your move before offering a draw"), 0);
15846 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15848 } else if (first.offeredDraw) {
15849 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15851 if (first.sendDrawOffers) {
15852 SendToProgram("draw\n", &first);
15853 userOfferedDraw = TRUE;
15861 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15863 if (appData.icsActive) {
15864 SendToICS(ics_prefix);
15865 SendToICS("adjourn\n");
15867 /* Currently GNU Chess doesn't offer or accept Adjourns */
15875 /* Offer Abort or accept pending Abort offer from opponent */
15877 if (appData.icsActive) {
15878 SendToICS(ics_prefix);
15879 SendToICS("abort\n");
15881 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15888 /* Resign. You can do this even if it's not your turn. */
15890 if (appData.icsActive) {
15891 SendToICS(ics_prefix);
15892 SendToICS("resign\n");
15894 switch (gameMode) {
15895 case MachinePlaysWhite:
15896 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15898 case MachinePlaysBlack:
15899 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15902 if (cmailMsgLoaded) {
15904 if (WhiteOnMove(cmailOldMove)) {
15905 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15907 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15909 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15920 StopObservingEvent ()
15922 /* Stop observing current games */
15923 SendToICS(ics_prefix);
15924 SendToICS("unobserve\n");
15928 StopExaminingEvent ()
15930 /* Stop observing current game */
15931 SendToICS(ics_prefix);
15932 SendToICS("unexamine\n");
15936 ForwardInner (int target)
15938 int limit; int oldSeekGraphUp = seekGraphUp;
15940 if (appData.debugMode)
15941 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15942 target, currentMove, forwardMostMove);
15944 if (gameMode == EditPosition)
15947 seekGraphUp = FALSE;
15948 MarkTargetSquares(1);
15949 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15951 if (gameMode == PlayFromGameFile && !pausing)
15954 if (gameMode == IcsExamining && pausing)
15955 limit = pauseExamForwardMostMove;
15957 limit = forwardMostMove;
15959 if (target > limit) target = limit;
15961 if (target > 0 && moveList[target - 1][0]) {
15962 int fromX, fromY, toX, toY;
15963 toX = moveList[target - 1][2] - AAA;
15964 toY = moveList[target - 1][3] - ONE;
15965 if (moveList[target - 1][1] == '@') {
15966 if (appData.highlightLastMove) {
15967 SetHighlights(-1, -1, toX, toY);
15970 fromX = moveList[target - 1][0] - AAA;
15971 fromY = moveList[target - 1][1] - ONE;
15972 if (target == currentMove + 1) {
15973 if(moveList[target - 1][4] == ';') { // multi-leg
15974 killX = moveList[target - 1][5] - AAA;
15975 killY = moveList[target - 1][6] - ONE;
15977 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15978 killX = killY = -1;
15980 if (appData.highlightLastMove) {
15981 SetHighlights(fromX, fromY, toX, toY);
15985 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15986 gameMode == Training || gameMode == PlayFromGameFile ||
15987 gameMode == AnalyzeFile) {
15988 while (currentMove < target) {
15989 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15990 SendMoveToProgram(currentMove++, &first);
15993 currentMove = target;
15996 if (gameMode == EditGame || gameMode == EndOfGame) {
15997 whiteTimeRemaining = timeRemaining[0][currentMove];
15998 blackTimeRemaining = timeRemaining[1][currentMove];
16000 DisplayBothClocks();
16001 DisplayMove(currentMove - 1);
16002 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16003 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16004 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16005 DisplayComment(currentMove - 1, commentList[currentMove]);
16007 ClearMap(); // [HGM] exclude: invalidate map
16014 if (gameMode == IcsExamining && !pausing) {
16015 SendToICS(ics_prefix);
16016 SendToICS("forward\n");
16018 ForwardInner(currentMove + 1);
16025 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16026 /* to optimze, we temporarily turn off analysis mode while we feed
16027 * the remaining moves to the engine. Otherwise we get analysis output
16030 if (first.analysisSupport) {
16031 SendToProgram("exit\nforce\n", &first);
16032 first.analyzing = FALSE;
16036 if (gameMode == IcsExamining && !pausing) {
16037 SendToICS(ics_prefix);
16038 SendToICS("forward 999999\n");
16040 ForwardInner(forwardMostMove);
16043 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16044 /* we have fed all the moves, so reactivate analysis mode */
16045 SendToProgram("analyze\n", &first);
16046 first.analyzing = TRUE;
16047 /*first.maybeThinking = TRUE;*/
16048 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16053 BackwardInner (int target)
16055 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16057 if (appData.debugMode)
16058 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16059 target, currentMove, forwardMostMove);
16061 if (gameMode == EditPosition) return;
16062 seekGraphUp = FALSE;
16063 MarkTargetSquares(1);
16064 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16065 if (currentMove <= backwardMostMove) {
16067 DrawPosition(full_redraw, boards[currentMove]);
16070 if (gameMode == PlayFromGameFile && !pausing)
16073 if (moveList[target][0]) {
16074 int fromX, fromY, toX, toY;
16075 toX = moveList[target][2] - AAA;
16076 toY = moveList[target][3] - ONE;
16077 if (moveList[target][1] == '@') {
16078 if (appData.highlightLastMove) {
16079 SetHighlights(-1, -1, toX, toY);
16082 fromX = moveList[target][0] - AAA;
16083 fromY = moveList[target][1] - ONE;
16084 if (target == currentMove - 1) {
16085 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16087 if (appData.highlightLastMove) {
16088 SetHighlights(fromX, fromY, toX, toY);
16092 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16093 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16094 while (currentMove > target) {
16095 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16096 // null move cannot be undone. Reload program with move history before it.
16098 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16099 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16101 SendBoard(&first, i);
16102 if(second.analyzing) SendBoard(&second, i);
16103 for(currentMove=i; currentMove<target; currentMove++) {
16104 SendMoveToProgram(currentMove, &first);
16105 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16109 SendToBoth("undo\n");
16113 currentMove = target;
16116 if (gameMode == EditGame || gameMode == EndOfGame) {
16117 whiteTimeRemaining = timeRemaining[0][currentMove];
16118 blackTimeRemaining = timeRemaining[1][currentMove];
16120 DisplayBothClocks();
16121 DisplayMove(currentMove - 1);
16122 DrawPosition(full_redraw, boards[currentMove]);
16123 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16124 // [HGM] PV info: routine tests if comment empty
16125 DisplayComment(currentMove - 1, commentList[currentMove]);
16126 ClearMap(); // [HGM] exclude: invalidate map
16132 if (gameMode == IcsExamining && !pausing) {
16133 SendToICS(ics_prefix);
16134 SendToICS("backward\n");
16136 BackwardInner(currentMove - 1);
16143 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16144 /* to optimize, we temporarily turn off analysis mode while we undo
16145 * all the moves. Otherwise we get analysis output after each undo.
16147 if (first.analysisSupport) {
16148 SendToProgram("exit\nforce\n", &first);
16149 first.analyzing = FALSE;
16153 if (gameMode == IcsExamining && !pausing) {
16154 SendToICS(ics_prefix);
16155 SendToICS("backward 999999\n");
16157 BackwardInner(backwardMostMove);
16160 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16161 /* we have fed all the moves, so reactivate analysis mode */
16162 SendToProgram("analyze\n", &first);
16163 first.analyzing = TRUE;
16164 /*first.maybeThinking = TRUE;*/
16165 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16172 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16173 if (to >= forwardMostMove) to = forwardMostMove;
16174 if (to <= backwardMostMove) to = backwardMostMove;
16175 if (to < currentMove) {
16183 RevertEvent (Boolean annotate)
16185 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16188 if (gameMode != IcsExamining) {
16189 DisplayError(_("You are not examining a game"), 0);
16193 DisplayError(_("You can't revert while pausing"), 0);
16196 SendToICS(ics_prefix);
16197 SendToICS("revert\n");
16201 RetractMoveEvent ()
16203 switch (gameMode) {
16204 case MachinePlaysWhite:
16205 case MachinePlaysBlack:
16206 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16207 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16210 if (forwardMostMove < 2) return;
16211 currentMove = forwardMostMove = forwardMostMove - 2;
16212 whiteTimeRemaining = timeRemaining[0][currentMove];
16213 blackTimeRemaining = timeRemaining[1][currentMove];
16214 DisplayBothClocks();
16215 DisplayMove(currentMove - 1);
16216 ClearHighlights();/*!! could figure this out*/
16217 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16218 SendToProgram("remove\n", &first);
16219 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16222 case BeginningOfGame:
16226 case IcsPlayingWhite:
16227 case IcsPlayingBlack:
16228 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16229 SendToICS(ics_prefix);
16230 SendToICS("takeback 2\n");
16232 SendToICS(ics_prefix);
16233 SendToICS("takeback 1\n");
16242 ChessProgramState *cps;
16244 switch (gameMode) {
16245 case MachinePlaysWhite:
16246 if (!WhiteOnMove(forwardMostMove)) {
16247 DisplayError(_("It is your turn"), 0);
16252 case MachinePlaysBlack:
16253 if (WhiteOnMove(forwardMostMove)) {
16254 DisplayError(_("It is your turn"), 0);
16259 case TwoMachinesPlay:
16260 if (WhiteOnMove(forwardMostMove) ==
16261 (first.twoMachinesColor[0] == 'w')) {
16267 case BeginningOfGame:
16271 SendToProgram("?\n", cps);
16275 TruncateGameEvent ()
16278 if (gameMode != EditGame) return;
16285 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16286 if (forwardMostMove > currentMove) {
16287 if (gameInfo.resultDetails != NULL) {
16288 free(gameInfo.resultDetails);
16289 gameInfo.resultDetails = NULL;
16290 gameInfo.result = GameUnfinished;
16292 forwardMostMove = currentMove;
16293 HistorySet(parseList, backwardMostMove, forwardMostMove,
16301 if (appData.noChessProgram) return;
16302 switch (gameMode) {
16303 case MachinePlaysWhite:
16304 if (WhiteOnMove(forwardMostMove)) {
16305 DisplayError(_("Wait until your turn."), 0);
16309 case BeginningOfGame:
16310 case MachinePlaysBlack:
16311 if (!WhiteOnMove(forwardMostMove)) {
16312 DisplayError(_("Wait until your turn."), 0);
16317 DisplayError(_("No hint available"), 0);
16320 SendToProgram("hint\n", &first);
16321 hintRequested = TRUE;
16325 SaveSelected (FILE *g, int dummy, char *dummy2)
16327 ListGame * lg = (ListGame *) gameList.head;
16331 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16332 DisplayError(_("Game list not loaded or empty"), 0);
16336 creatingBook = TRUE; // suppresses stuff during load game
16338 /* Get list size */
16339 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16340 if(lg->position >= 0) { // selected?
16341 LoadGame(f, nItem, "", TRUE);
16342 SaveGamePGN2(g); // leaves g open
16345 lg = (ListGame *) lg->node.succ;
16349 creatingBook = FALSE;
16357 ListGame * lg = (ListGame *) gameList.head;
16360 static int secondTime = FALSE;
16362 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16363 DisplayError(_("Game list not loaded or empty"), 0);
16367 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16370 DisplayNote(_("Book file exists! Try again for overwrite."));
16374 creatingBook = TRUE;
16375 secondTime = FALSE;
16377 /* Get list size */
16378 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16379 if(lg->position >= 0) {
16380 LoadGame(f, nItem, "", TRUE);
16381 AddGameToBook(TRUE);
16384 lg = (ListGame *) lg->node.succ;
16387 creatingBook = FALSE;
16394 if (appData.noChessProgram) return;
16395 switch (gameMode) {
16396 case MachinePlaysWhite:
16397 if (WhiteOnMove(forwardMostMove)) {
16398 DisplayError(_("Wait until your turn."), 0);
16402 case BeginningOfGame:
16403 case MachinePlaysBlack:
16404 if (!WhiteOnMove(forwardMostMove)) {
16405 DisplayError(_("Wait until your turn."), 0);
16410 EditPositionDone(TRUE);
16412 case TwoMachinesPlay:
16417 SendToProgram("bk\n", &first);
16418 bookOutput[0] = NULLCHAR;
16419 bookRequested = TRUE;
16425 char *tags = PGNTags(&gameInfo);
16426 TagsPopUp(tags, CmailMsg());
16430 /* end button procedures */
16433 PrintPosition (FILE *fp, int move)
16437 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16438 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16439 char c = PieceToChar(boards[move][i][j]);
16440 fputc(c == '?' ? '.' : c, fp);
16441 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16444 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16445 fprintf(fp, "white to play\n");
16447 fprintf(fp, "black to play\n");
16451 PrintOpponents (FILE *fp)
16453 if (gameInfo.white != NULL) {
16454 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16460 /* Find last component of program's own name, using some heuristics */
16462 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16465 int local = (strcmp(host, "localhost") == 0);
16466 while (!local && (p = strchr(prog, ';')) != NULL) {
16468 while (*p == ' ') p++;
16471 if (*prog == '"' || *prog == '\'') {
16472 q = strchr(prog + 1, *prog);
16474 q = strchr(prog, ' ');
16476 if (q == NULL) q = prog + strlen(prog);
16478 while (p >= prog && *p != '/' && *p != '\\') p--;
16480 if(p == prog && *p == '"') p++;
16482 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16483 memcpy(buf, p, q - p);
16484 buf[q - p] = NULLCHAR;
16492 TimeControlTagValue ()
16495 if (!appData.clockMode) {
16496 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16497 } else if (movesPerSession > 0) {
16498 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16499 } else if (timeIncrement == 0) {
16500 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16502 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16504 return StrSave(buf);
16510 /* This routine is used only for certain modes */
16511 VariantClass v = gameInfo.variant;
16512 ChessMove r = GameUnfinished;
16515 if(keepInfo) return;
16517 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16518 r = gameInfo.result;
16519 p = gameInfo.resultDetails;
16520 gameInfo.resultDetails = NULL;
16522 ClearGameInfo(&gameInfo);
16523 gameInfo.variant = v;
16525 switch (gameMode) {
16526 case MachinePlaysWhite:
16527 gameInfo.event = StrSave( appData.pgnEventHeader );
16528 gameInfo.site = StrSave(HostName());
16529 gameInfo.date = PGNDate();
16530 gameInfo.round = StrSave("-");
16531 gameInfo.white = StrSave(first.tidy);
16532 gameInfo.black = StrSave(UserName());
16533 gameInfo.timeControl = TimeControlTagValue();
16536 case MachinePlaysBlack:
16537 gameInfo.event = StrSave( appData.pgnEventHeader );
16538 gameInfo.site = StrSave(HostName());
16539 gameInfo.date = PGNDate();
16540 gameInfo.round = StrSave("-");
16541 gameInfo.white = StrSave(UserName());
16542 gameInfo.black = StrSave(first.tidy);
16543 gameInfo.timeControl = TimeControlTagValue();
16546 case TwoMachinesPlay:
16547 gameInfo.event = StrSave( appData.pgnEventHeader );
16548 gameInfo.site = StrSave(HostName());
16549 gameInfo.date = PGNDate();
16552 snprintf(buf, MSG_SIZ, "%d", roundNr);
16553 gameInfo.round = StrSave(buf);
16555 gameInfo.round = StrSave("-");
16557 if (first.twoMachinesColor[0] == 'w') {
16558 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16559 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16561 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16562 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16564 gameInfo.timeControl = TimeControlTagValue();
16568 gameInfo.event = StrSave("Edited game");
16569 gameInfo.site = StrSave(HostName());
16570 gameInfo.date = PGNDate();
16571 gameInfo.round = StrSave("-");
16572 gameInfo.white = StrSave("-");
16573 gameInfo.black = StrSave("-");
16574 gameInfo.result = r;
16575 gameInfo.resultDetails = p;
16579 gameInfo.event = StrSave("Edited position");
16580 gameInfo.site = StrSave(HostName());
16581 gameInfo.date = PGNDate();
16582 gameInfo.round = StrSave("-");
16583 gameInfo.white = StrSave("-");
16584 gameInfo.black = StrSave("-");
16587 case IcsPlayingWhite:
16588 case IcsPlayingBlack:
16593 case PlayFromGameFile:
16594 gameInfo.event = StrSave("Game from non-PGN file");
16595 gameInfo.site = StrSave(HostName());
16596 gameInfo.date = PGNDate();
16597 gameInfo.round = StrSave("-");
16598 gameInfo.white = StrSave("?");
16599 gameInfo.black = StrSave("?");
16608 ReplaceComment (int index, char *text)
16614 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16615 pvInfoList[index-1].depth == len &&
16616 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16617 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16618 while (*text == '\n') text++;
16619 len = strlen(text);
16620 while (len > 0 && text[len - 1] == '\n') len--;
16622 if (commentList[index] != NULL)
16623 free(commentList[index]);
16626 commentList[index] = NULL;
16629 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16630 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16631 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16632 commentList[index] = (char *) malloc(len + 2);
16633 strncpy(commentList[index], text, len);
16634 commentList[index][len] = '\n';
16635 commentList[index][len + 1] = NULLCHAR;
16637 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16639 commentList[index] = (char *) malloc(len + 7);
16640 safeStrCpy(commentList[index], "{\n", 3);
16641 safeStrCpy(commentList[index]+2, text, len+1);
16642 commentList[index][len+2] = NULLCHAR;
16643 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16644 strcat(commentList[index], "\n}\n");
16649 CrushCRs (char *text)
16657 if (ch == '\r') continue;
16659 } while (ch != '\0');
16663 AppendComment (int index, char *text, Boolean addBraces)
16664 /* addBraces tells if we should add {} */
16669 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16670 if(addBraces == 3) addBraces = 0; else // force appending literally
16671 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16674 while (*text == '\n') text++;
16675 len = strlen(text);
16676 while (len > 0 && text[len - 1] == '\n') len--;
16677 text[len] = NULLCHAR;
16679 if (len == 0) return;
16681 if (commentList[index] != NULL) {
16682 Boolean addClosingBrace = addBraces;
16683 old = commentList[index];
16684 oldlen = strlen(old);
16685 while(commentList[index][oldlen-1] == '\n')
16686 commentList[index][--oldlen] = NULLCHAR;
16687 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16688 safeStrCpy(commentList[index], old, oldlen + len + 6);
16690 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16691 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16692 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16693 while (*text == '\n') { text++; len--; }
16694 commentList[index][--oldlen] = NULLCHAR;
16696 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16697 else strcat(commentList[index], "\n");
16698 strcat(commentList[index], text);
16699 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16700 else strcat(commentList[index], "\n");
16702 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16704 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16705 else commentList[index][0] = NULLCHAR;
16706 strcat(commentList[index], text);
16707 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16708 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16713 FindStr (char * text, char * sub_text)
16715 char * result = strstr( text, sub_text );
16717 if( result != NULL ) {
16718 result += strlen( sub_text );
16724 /* [AS] Try to extract PV info from PGN comment */
16725 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16727 GetInfoFromComment (int index, char * text)
16729 char * sep = text, *p;
16731 if( text != NULL && index > 0 ) {
16734 int time = -1, sec = 0, deci;
16735 char * s_eval = FindStr( text, "[%eval " );
16736 char * s_emt = FindStr( text, "[%emt " );
16738 if( s_eval != NULL || s_emt != NULL ) {
16740 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16745 if( s_eval != NULL ) {
16746 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16750 if( delim != ']' ) {
16755 if( s_emt != NULL ) {
16760 /* We expect something like: [+|-]nnn.nn/dd */
16763 if(*text != '{') return text; // [HGM] braces: must be normal comment
16765 sep = strchr( text, '/' );
16766 if( sep == NULL || sep < (text+4) ) {
16771 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16772 if(p[1] == '(') { // comment starts with PV
16773 p = strchr(p, ')'); // locate end of PV
16774 if(p == NULL || sep < p+5) return text;
16775 // at this point we have something like "{(.*) +0.23/6 ..."
16776 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16777 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16778 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16780 time = -1; sec = -1; deci = -1;
16781 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16782 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16783 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16784 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16788 if( score_lo < 0 || score_lo >= 100 ) {
16792 if(sec >= 0) time = 600*time + 10*sec; else
16793 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16795 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16797 /* [HGM] PV time: now locate end of PV info */
16798 while( *++sep >= '0' && *sep <= '9'); // strip depth
16800 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16802 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16804 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16805 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16816 pvInfoList[index-1].depth = depth;
16817 pvInfoList[index-1].score = score;
16818 pvInfoList[index-1].time = 10*time; // centi-sec
16819 if(*sep == '}') *sep = 0; else *--sep = '{';
16821 while(*p++ = *sep++)
16824 } // squeeze out space between PV and comment, and return both
16830 SendToProgram (char *message, ChessProgramState *cps)
16832 int count, outCount, error;
16835 if (cps->pr == NoProc) return;
16838 if (appData.debugMode) {
16841 fprintf(debugFP, "%ld >%-6s: %s",
16842 SubtractTimeMarks(&now, &programStartTime),
16843 cps->which, message);
16845 fprintf(serverFP, "%ld >%-6s: %s",
16846 SubtractTimeMarks(&now, &programStartTime),
16847 cps->which, message), fflush(serverFP);
16850 count = strlen(message);
16851 outCount = OutputToProcess(cps->pr, message, count, &error);
16852 if (outCount < count && !exiting
16853 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16854 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16855 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16856 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16857 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16858 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16859 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16860 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16862 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16863 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16864 gameInfo.result = res;
16866 gameInfo.resultDetails = StrSave(buf);
16868 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16869 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16874 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16878 ChessProgramState *cps = (ChessProgramState *)closure;
16880 if (isr != cps->isr) return; /* Killed intentionally */
16883 RemoveInputSource(cps->isr);
16884 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16885 _(cps->which), cps->program);
16886 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16887 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16888 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16889 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16890 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16891 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16893 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16894 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16895 gameInfo.result = res;
16897 gameInfo.resultDetails = StrSave(buf);
16899 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16900 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16902 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16903 _(cps->which), cps->program);
16904 RemoveInputSource(cps->isr);
16906 /* [AS] Program is misbehaving badly... kill it */
16907 if( count == -2 ) {
16908 DestroyChildProcess( cps->pr, 9 );
16912 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16917 if ((end_str = strchr(message, '\r')) != NULL)
16918 *end_str = NULLCHAR;
16919 if ((end_str = strchr(message, '\n')) != NULL)
16920 *end_str = NULLCHAR;
16922 if (appData.debugMode) {
16923 TimeMark now; int print = 1;
16924 char *quote = ""; char c; int i;
16926 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16927 char start = message[0];
16928 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16929 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16930 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16931 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16932 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16933 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16934 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16935 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16936 sscanf(message, "hint: %c", &c)!=1 &&
16937 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16938 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16939 print = (appData.engineComments >= 2);
16941 message[0] = start; // restore original message
16945 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16946 SubtractTimeMarks(&now, &programStartTime), cps->which,
16950 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16951 SubtractTimeMarks(&now, &programStartTime), cps->which,
16953 message), fflush(serverFP);
16957 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16958 if (appData.icsEngineAnalyze) {
16959 if (strstr(message, "whisper") != NULL ||
16960 strstr(message, "kibitz") != NULL ||
16961 strstr(message, "tellics") != NULL) return;
16964 HandleMachineMove(message, cps);
16969 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16974 if( timeControl_2 > 0 ) {
16975 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16976 tc = timeControl_2;
16979 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16980 inc /= cps->timeOdds;
16981 st /= cps->timeOdds;
16983 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16986 /* Set exact time per move, normally using st command */
16987 if (cps->stKludge) {
16988 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16990 if (seconds == 0) {
16991 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16993 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16996 snprintf(buf, MSG_SIZ, "st %d\n", st);
16999 /* Set conventional or incremental time control, using level command */
17000 if (seconds == 0) {
17001 /* Note old gnuchess bug -- minutes:seconds used to not work.
17002 Fixed in later versions, but still avoid :seconds
17003 when seconds is 0. */
17004 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17006 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17007 seconds, inc/1000.);
17010 SendToProgram(buf, cps);
17012 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17013 /* Orthogonally, limit search to given depth */
17015 if (cps->sdKludge) {
17016 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17018 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17020 SendToProgram(buf, cps);
17023 if(cps->nps >= 0) { /* [HGM] nps */
17024 if(cps->supportsNPS == FALSE)
17025 cps->nps = -1; // don't use if engine explicitly says not supported!
17027 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17028 SendToProgram(buf, cps);
17033 ChessProgramState *
17035 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17037 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17038 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17044 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17046 char message[MSG_SIZ];
17049 /* Note: this routine must be called when the clocks are stopped
17050 or when they have *just* been set or switched; otherwise
17051 it will be off by the time since the current tick started.
17053 if (machineWhite) {
17054 time = whiteTimeRemaining / 10;
17055 otime = blackTimeRemaining / 10;
17057 time = blackTimeRemaining / 10;
17058 otime = whiteTimeRemaining / 10;
17060 /* [HGM] translate opponent's time by time-odds factor */
17061 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17063 if (time <= 0) time = 1;
17064 if (otime <= 0) otime = 1;
17066 snprintf(message, MSG_SIZ, "time %ld\n", time);
17067 SendToProgram(message, cps);
17069 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17070 SendToProgram(message, cps);
17074 EngineDefinedVariant (ChessProgramState *cps, int n)
17075 { // return name of n-th unknown variant that engine supports
17076 static char buf[MSG_SIZ];
17077 char *p, *s = cps->variants;
17078 if(!s) return NULL;
17079 do { // parse string from variants feature
17081 p = strchr(s, ',');
17082 if(p) *p = NULLCHAR;
17083 v = StringToVariant(s);
17084 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17085 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17086 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17087 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17088 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17089 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17090 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17093 if(n < 0) return buf;
17099 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17102 int len = strlen(name);
17105 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17107 sscanf(*p, "%d", &val);
17109 while (**p && **p != ' ')
17111 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17112 SendToProgram(buf, cps);
17119 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17122 int len = strlen(name);
17123 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17125 sscanf(*p, "%d", loc);
17126 while (**p && **p != ' ') (*p)++;
17127 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17128 SendToProgram(buf, cps);
17135 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17138 int len = strlen(name);
17139 if (strncmp((*p), name, len) == 0
17140 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17142 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17143 sscanf(*p, "%[^\"]", *loc);
17144 while (**p && **p != '\"') (*p)++;
17145 if (**p == '\"') (*p)++;
17146 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17147 SendToProgram(buf, cps);
17154 ParseOption (Option *opt, ChessProgramState *cps)
17155 // [HGM] options: process the string that defines an engine option, and determine
17156 // name, type, default value, and allowed value range
17158 char *p, *q, buf[MSG_SIZ];
17159 int n, min = (-1)<<31, max = 1<<31, def;
17161 opt->target = &opt->value; // OK for spin/slider and checkbox
17162 if(p = strstr(opt->name, " -spin ")) {
17163 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17164 if(max < min) max = min; // enforce consistency
17165 if(def < min) def = min;
17166 if(def > max) def = max;
17171 } else if((p = strstr(opt->name, " -slider "))) {
17172 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17173 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17174 if(max < min) max = min; // enforce consistency
17175 if(def < min) def = min;
17176 if(def > max) def = max;
17180 opt->type = Spin; // Slider;
17181 } else if((p = strstr(opt->name, " -string "))) {
17182 opt->textValue = p+9;
17183 opt->type = TextBox;
17184 opt->target = &opt->textValue;
17185 } else if((p = strstr(opt->name, " -file "))) {
17186 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17187 opt->target = opt->textValue = p+7;
17188 opt->type = FileName; // FileName;
17189 opt->target = &opt->textValue;
17190 } else if((p = strstr(opt->name, " -path "))) {
17191 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17192 opt->target = opt->textValue = p+7;
17193 opt->type = PathName; // PathName;
17194 opt->target = &opt->textValue;
17195 } else if(p = strstr(opt->name, " -check ")) {
17196 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17197 opt->value = (def != 0);
17198 opt->type = CheckBox;
17199 } else if(p = strstr(opt->name, " -combo ")) {
17200 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17201 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17202 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17203 opt->value = n = 0;
17204 while(q = StrStr(q, " /// ")) {
17205 n++; *q = 0; // count choices, and null-terminate each of them
17207 if(*q == '*') { // remember default, which is marked with * prefix
17211 cps->comboList[cps->comboCnt++] = q;
17213 cps->comboList[cps->comboCnt++] = NULL;
17215 opt->type = ComboBox;
17216 } else if(p = strstr(opt->name, " -button")) {
17217 opt->type = Button;
17218 } else if(p = strstr(opt->name, " -save")) {
17219 opt->type = SaveButton;
17220 } else return FALSE;
17221 *p = 0; // terminate option name
17222 // now look if the command-line options define a setting for this engine option.
17223 if(cps->optionSettings && cps->optionSettings[0])
17224 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17225 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17226 snprintf(buf, MSG_SIZ, "option %s", p);
17227 if(p = strstr(buf, ",")) *p = 0;
17228 if(q = strchr(buf, '=')) switch(opt->type) {
17230 for(n=0; n<opt->max; n++)
17231 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17234 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17238 opt->value = atoi(q+1);
17243 SendToProgram(buf, cps);
17249 FeatureDone (ChessProgramState *cps, int val)
17251 DelayedEventCallback cb = GetDelayedEvent();
17252 if ((cb == InitBackEnd3 && cps == &first) ||
17253 (cb == SettingsMenuIfReady && cps == &second) ||
17254 (cb == LoadEngine) ||
17255 (cb == TwoMachinesEventIfReady)) {
17256 CancelDelayedEvent();
17257 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17258 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17259 cps->initDone = val;
17260 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17263 /* Parse feature command from engine */
17265 ParseFeatures (char *args, ChessProgramState *cps)
17273 while (*p == ' ') p++;
17274 if (*p == NULLCHAR) return;
17276 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17277 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17278 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17279 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17280 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17281 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17282 if (BoolFeature(&p, "reuse", &val, cps)) {
17283 /* Engine can disable reuse, but can't enable it if user said no */
17284 if (!val) cps->reuse = FALSE;
17287 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17288 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17289 if (gameMode == TwoMachinesPlay) {
17290 DisplayTwoMachinesTitle();
17296 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17297 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17298 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17299 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17300 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17301 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17302 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17303 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17304 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17305 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17306 if (IntFeature(&p, "done", &val, cps)) {
17307 FeatureDone(cps, val);
17310 /* Added by Tord: */
17311 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17312 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17313 /* End of additions by Tord */
17315 /* [HGM] added features: */
17316 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17317 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17318 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17319 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17320 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17321 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17322 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17323 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17324 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17325 FREE(cps->option[cps->nrOptions].name);
17326 cps->option[cps->nrOptions].name = q; q = NULL;
17327 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17328 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17329 SendToProgram(buf, cps);
17332 if(cps->nrOptions >= MAX_OPTIONS) {
17334 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17335 DisplayError(buf, 0);
17339 /* End of additions by HGM */
17341 /* unknown feature: complain and skip */
17343 while (*q && *q != '=') q++;
17344 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17345 SendToProgram(buf, cps);
17351 while (*p && *p != '\"') p++;
17352 if (*p == '\"') p++;
17354 while (*p && *p != ' ') p++;
17362 PeriodicUpdatesEvent (int newState)
17364 if (newState == appData.periodicUpdates)
17367 appData.periodicUpdates=newState;
17369 /* Display type changes, so update it now */
17370 // DisplayAnalysis();
17372 /* Get the ball rolling again... */
17374 AnalysisPeriodicEvent(1);
17375 StartAnalysisClock();
17380 PonderNextMoveEvent (int newState)
17382 if (newState == appData.ponderNextMove) return;
17383 if (gameMode == EditPosition) EditPositionDone(TRUE);
17385 SendToProgram("hard\n", &first);
17386 if (gameMode == TwoMachinesPlay) {
17387 SendToProgram("hard\n", &second);
17390 SendToProgram("easy\n", &first);
17391 thinkOutput[0] = NULLCHAR;
17392 if (gameMode == TwoMachinesPlay) {
17393 SendToProgram("easy\n", &second);
17396 appData.ponderNextMove = newState;
17400 NewSettingEvent (int option, int *feature, char *command, int value)
17404 if (gameMode == EditPosition) EditPositionDone(TRUE);
17405 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17406 if(feature == NULL || *feature) SendToProgram(buf, &first);
17407 if (gameMode == TwoMachinesPlay) {
17408 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17413 ShowThinkingEvent ()
17414 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17416 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17417 int newState = appData.showThinking
17418 // [HGM] thinking: other features now need thinking output as well
17419 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17421 if (oldState == newState) return;
17422 oldState = newState;
17423 if (gameMode == EditPosition) EditPositionDone(TRUE);
17425 SendToProgram("post\n", &first);
17426 if (gameMode == TwoMachinesPlay) {
17427 SendToProgram("post\n", &second);
17430 SendToProgram("nopost\n", &first);
17431 thinkOutput[0] = NULLCHAR;
17432 if (gameMode == TwoMachinesPlay) {
17433 SendToProgram("nopost\n", &second);
17436 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17440 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17442 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17443 if (pr == NoProc) return;
17444 AskQuestion(title, question, replyPrefix, pr);
17448 TypeInEvent (char firstChar)
17450 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17451 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17452 gameMode == AnalyzeMode || gameMode == EditGame ||
17453 gameMode == EditPosition || gameMode == IcsExamining ||
17454 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17455 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17456 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17457 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17458 gameMode == Training) PopUpMoveDialog(firstChar);
17462 TypeInDoneEvent (char *move)
17465 int n, fromX, fromY, toX, toY;
17467 ChessMove moveType;
17470 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17471 EditPositionPasteFEN(move);
17474 // [HGM] movenum: allow move number to be typed in any mode
17475 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17479 // undocumented kludge: allow command-line option to be typed in!
17480 // (potentially fatal, and does not implement the effect of the option.)
17481 // should only be used for options that are values on which future decisions will be made,
17482 // and definitely not on options that would be used during initialization.
17483 if(strstr(move, "!!! -") == move) {
17484 ParseArgsFromString(move+4);
17488 if (gameMode != EditGame && currentMove != forwardMostMove &&
17489 gameMode != Training) {
17490 DisplayMoveError(_("Displayed move is not current"));
17492 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17493 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17494 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17495 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17496 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17497 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17499 DisplayMoveError(_("Could not parse move"));
17505 DisplayMove (int moveNumber)
17507 char message[MSG_SIZ];
17509 char cpThinkOutput[MSG_SIZ];
17511 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17513 if (moveNumber == forwardMostMove - 1 ||
17514 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17516 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17518 if (strchr(cpThinkOutput, '\n')) {
17519 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17522 *cpThinkOutput = NULLCHAR;
17525 /* [AS] Hide thinking from human user */
17526 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17527 *cpThinkOutput = NULLCHAR;
17528 if( thinkOutput[0] != NULLCHAR ) {
17531 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17532 cpThinkOutput[i] = '.';
17534 cpThinkOutput[i] = NULLCHAR;
17535 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17539 if (moveNumber == forwardMostMove - 1 &&
17540 gameInfo.resultDetails != NULL) {
17541 if (gameInfo.resultDetails[0] == NULLCHAR) {
17542 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17544 snprintf(res, MSG_SIZ, " {%s} %s",
17545 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17551 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17552 DisplayMessage(res, cpThinkOutput);
17554 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17555 WhiteOnMove(moveNumber) ? " " : ".. ",
17556 parseList[moveNumber], res);
17557 DisplayMessage(message, cpThinkOutput);
17562 DisplayComment (int moveNumber, char *text)
17564 char title[MSG_SIZ];
17566 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17567 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17569 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17570 WhiteOnMove(moveNumber) ? " " : ".. ",
17571 parseList[moveNumber]);
17573 if (text != NULL && (appData.autoDisplayComment || commentUp))
17574 CommentPopUp(title, text);
17577 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17578 * might be busy thinking or pondering. It can be omitted if your
17579 * gnuchess is configured to stop thinking immediately on any user
17580 * input. However, that gnuchess feature depends on the FIONREAD
17581 * ioctl, which does not work properly on some flavors of Unix.
17584 Attention (ChessProgramState *cps)
17587 if (!cps->useSigint) return;
17588 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17589 switch (gameMode) {
17590 case MachinePlaysWhite:
17591 case MachinePlaysBlack:
17592 case TwoMachinesPlay:
17593 case IcsPlayingWhite:
17594 case IcsPlayingBlack:
17597 /* Skip if we know it isn't thinking */
17598 if (!cps->maybeThinking) return;
17599 if (appData.debugMode)
17600 fprintf(debugFP, "Interrupting %s\n", cps->which);
17601 InterruptChildProcess(cps->pr);
17602 cps->maybeThinking = FALSE;
17607 #endif /*ATTENTION*/
17613 if (whiteTimeRemaining <= 0) {
17616 if (appData.icsActive) {
17617 if (appData.autoCallFlag &&
17618 gameMode == IcsPlayingBlack && !blackFlag) {
17619 SendToICS(ics_prefix);
17620 SendToICS("flag\n");
17624 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17626 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17627 if (appData.autoCallFlag) {
17628 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17635 if (blackTimeRemaining <= 0) {
17638 if (appData.icsActive) {
17639 if (appData.autoCallFlag &&
17640 gameMode == IcsPlayingWhite && !whiteFlag) {
17641 SendToICS(ics_prefix);
17642 SendToICS("flag\n");
17646 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17648 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17649 if (appData.autoCallFlag) {
17650 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17661 CheckTimeControl ()
17663 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17664 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17667 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17669 if ( !WhiteOnMove(forwardMostMove) ) {
17670 /* White made time control */
17671 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17672 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17673 /* [HGM] time odds: correct new time quota for time odds! */
17674 / WhitePlayer()->timeOdds;
17675 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17677 lastBlack -= blackTimeRemaining;
17678 /* Black made time control */
17679 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17680 / WhitePlayer()->other->timeOdds;
17681 lastWhite = whiteTimeRemaining;
17686 DisplayBothClocks ()
17688 int wom = gameMode == EditPosition ?
17689 !blackPlaysFirst : WhiteOnMove(currentMove);
17690 DisplayWhiteClock(whiteTimeRemaining, wom);
17691 DisplayBlackClock(blackTimeRemaining, !wom);
17695 /* Timekeeping seems to be a portability nightmare. I think everyone
17696 has ftime(), but I'm really not sure, so I'm including some ifdefs
17697 to use other calls if you don't. Clocks will be less accurate if
17698 you have neither ftime nor gettimeofday.
17701 /* VS 2008 requires the #include outside of the function */
17702 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17703 #include <sys/timeb.h>
17706 /* Get the current time as a TimeMark */
17708 GetTimeMark (TimeMark *tm)
17710 #if HAVE_GETTIMEOFDAY
17712 struct timeval timeVal;
17713 struct timezone timeZone;
17715 gettimeofday(&timeVal, &timeZone);
17716 tm->sec = (long) timeVal.tv_sec;
17717 tm->ms = (int) (timeVal.tv_usec / 1000L);
17719 #else /*!HAVE_GETTIMEOFDAY*/
17722 // include <sys/timeb.h> / moved to just above start of function
17723 struct timeb timeB;
17726 tm->sec = (long) timeB.time;
17727 tm->ms = (int) timeB.millitm;
17729 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17730 tm->sec = (long) time(NULL);
17736 /* Return the difference in milliseconds between two
17737 time marks. We assume the difference will fit in a long!
17740 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17742 return 1000L*(tm2->sec - tm1->sec) +
17743 (long) (tm2->ms - tm1->ms);
17748 * Code to manage the game clocks.
17750 * In tournament play, black starts the clock and then white makes a move.
17751 * We give the human user a slight advantage if he is playing white---the
17752 * clocks don't run until he makes his first move, so it takes zero time.
17753 * Also, we don't account for network lag, so we could get out of sync
17754 * with GNU Chess's clock -- but then, referees are always right.
17757 static TimeMark tickStartTM;
17758 static long intendedTickLength;
17761 NextTickLength (long timeRemaining)
17763 long nominalTickLength, nextTickLength;
17765 if (timeRemaining > 0L && timeRemaining <= 10000L)
17766 nominalTickLength = 100L;
17768 nominalTickLength = 1000L;
17769 nextTickLength = timeRemaining % nominalTickLength;
17770 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17772 return nextTickLength;
17775 /* Adjust clock one minute up or down */
17777 AdjustClock (Boolean which, int dir)
17779 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17780 if(which) blackTimeRemaining += 60000*dir;
17781 else whiteTimeRemaining += 60000*dir;
17782 DisplayBothClocks();
17783 adjustedClock = TRUE;
17786 /* Stop clocks and reset to a fresh time control */
17790 (void) StopClockTimer();
17791 if (appData.icsActive) {
17792 whiteTimeRemaining = blackTimeRemaining = 0;
17793 } else if (searchTime) {
17794 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17795 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17796 } else { /* [HGM] correct new time quote for time odds */
17797 whiteTC = blackTC = fullTimeControlString;
17798 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17799 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17801 if (whiteFlag || blackFlag) {
17803 whiteFlag = blackFlag = FALSE;
17805 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17806 DisplayBothClocks();
17807 adjustedClock = FALSE;
17810 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17812 /* Decrement running clock by amount of time that has passed */
17816 long timeRemaining;
17817 long lastTickLength, fudge;
17820 if (!appData.clockMode) return;
17821 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17825 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17827 /* Fudge if we woke up a little too soon */
17828 fudge = intendedTickLength - lastTickLength;
17829 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17831 if (WhiteOnMove(forwardMostMove)) {
17832 if(whiteNPS >= 0) lastTickLength = 0;
17833 timeRemaining = whiteTimeRemaining -= lastTickLength;
17834 if(timeRemaining < 0 && !appData.icsActive) {
17835 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17836 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17837 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17838 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17841 DisplayWhiteClock(whiteTimeRemaining - fudge,
17842 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17844 if(blackNPS >= 0) lastTickLength = 0;
17845 timeRemaining = blackTimeRemaining -= lastTickLength;
17846 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17847 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17849 blackStartMove = forwardMostMove;
17850 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17853 DisplayBlackClock(blackTimeRemaining - fudge,
17854 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17856 if (CheckFlags()) return;
17858 if(twoBoards) { // count down secondary board's clocks as well
17859 activePartnerTime -= lastTickLength;
17861 if(activePartner == 'W')
17862 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17864 DisplayBlackClock(activePartnerTime, TRUE);
17869 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17870 StartClockTimer(intendedTickLength);
17872 /* if the time remaining has fallen below the alarm threshold, sound the
17873 * alarm. if the alarm has sounded and (due to a takeback or time control
17874 * with increment) the time remaining has increased to a level above the
17875 * threshold, reset the alarm so it can sound again.
17878 if (appData.icsActive && appData.icsAlarm) {
17880 /* make sure we are dealing with the user's clock */
17881 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17882 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17885 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17886 alarmSounded = FALSE;
17887 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17889 alarmSounded = TRUE;
17895 /* A player has just moved, so stop the previously running
17896 clock and (if in clock mode) start the other one.
17897 We redisplay both clocks in case we're in ICS mode, because
17898 ICS gives us an update to both clocks after every move.
17899 Note that this routine is called *after* forwardMostMove
17900 is updated, so the last fractional tick must be subtracted
17901 from the color that is *not* on move now.
17904 SwitchClocks (int newMoveNr)
17906 long lastTickLength;
17908 int flagged = FALSE;
17912 if (StopClockTimer() && appData.clockMode) {
17913 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17914 if (!WhiteOnMove(forwardMostMove)) {
17915 if(blackNPS >= 0) lastTickLength = 0;
17916 blackTimeRemaining -= lastTickLength;
17917 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17918 // if(pvInfoList[forwardMostMove].time == -1)
17919 pvInfoList[forwardMostMove].time = // use GUI time
17920 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17922 if(whiteNPS >= 0) lastTickLength = 0;
17923 whiteTimeRemaining -= lastTickLength;
17924 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17925 // if(pvInfoList[forwardMostMove].time == -1)
17926 pvInfoList[forwardMostMove].time =
17927 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17929 flagged = CheckFlags();
17931 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17932 CheckTimeControl();
17934 if (flagged || !appData.clockMode) return;
17936 switch (gameMode) {
17937 case MachinePlaysBlack:
17938 case MachinePlaysWhite:
17939 case BeginningOfGame:
17940 if (pausing) return;
17944 case PlayFromGameFile:
17952 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17953 if(WhiteOnMove(forwardMostMove))
17954 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17955 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17959 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17960 whiteTimeRemaining : blackTimeRemaining);
17961 StartClockTimer(intendedTickLength);
17965 /* Stop both clocks */
17969 long lastTickLength;
17972 if (!StopClockTimer()) return;
17973 if (!appData.clockMode) return;
17977 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17978 if (WhiteOnMove(forwardMostMove)) {
17979 if(whiteNPS >= 0) lastTickLength = 0;
17980 whiteTimeRemaining -= lastTickLength;
17981 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17983 if(blackNPS >= 0) lastTickLength = 0;
17984 blackTimeRemaining -= lastTickLength;
17985 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17990 /* Start clock of player on move. Time may have been reset, so
17991 if clock is already running, stop and restart it. */
17995 (void) StopClockTimer(); /* in case it was running already */
17996 DisplayBothClocks();
17997 if (CheckFlags()) return;
17999 if (!appData.clockMode) return;
18000 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18002 GetTimeMark(&tickStartTM);
18003 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18004 whiteTimeRemaining : blackTimeRemaining);
18006 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18007 whiteNPS = blackNPS = -1;
18008 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18009 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18010 whiteNPS = first.nps;
18011 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18012 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18013 blackNPS = first.nps;
18014 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18015 whiteNPS = second.nps;
18016 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18017 blackNPS = second.nps;
18018 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18020 StartClockTimer(intendedTickLength);
18024 TimeString (long ms)
18026 long second, minute, hour, day;
18028 static char buf[32];
18030 if (ms > 0 && ms <= 9900) {
18031 /* convert milliseconds to tenths, rounding up */
18032 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18034 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18038 /* convert milliseconds to seconds, rounding up */
18039 /* use floating point to avoid strangeness of integer division
18040 with negative dividends on many machines */
18041 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18048 day = second / (60 * 60 * 24);
18049 second = second % (60 * 60 * 24);
18050 hour = second / (60 * 60);
18051 second = second % (60 * 60);
18052 minute = second / 60;
18053 second = second % 60;
18056 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
18057 sign, day, hour, minute, second);
18059 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
18061 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
18068 * This is necessary because some C libraries aren't ANSI C compliant yet.
18071 StrStr (char *string, char *match)
18075 length = strlen(match);
18077 for (i = strlen(string) - length; i >= 0; i--, string++)
18078 if (!strncmp(match, string, length))
18085 StrCaseStr (char *string, char *match)
18089 length = strlen(match);
18091 for (i = strlen(string) - length; i >= 0; i--, string++) {
18092 for (j = 0; j < length; j++) {
18093 if (ToLower(match[j]) != ToLower(string[j]))
18096 if (j == length) return string;
18104 StrCaseCmp (char *s1, char *s2)
18109 c1 = ToLower(*s1++);
18110 c2 = ToLower(*s2++);
18111 if (c1 > c2) return 1;
18112 if (c1 < c2) return -1;
18113 if (c1 == NULLCHAR) return 0;
18121 return isupper(c) ? tolower(c) : c;
18128 return islower(c) ? toupper(c) : c;
18130 #endif /* !_amigados */
18137 if ((ret = (char *) malloc(strlen(s) + 1)))
18139 safeStrCpy(ret, s, strlen(s)+1);
18145 StrSavePtr (char *s, char **savePtr)
18150 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18151 safeStrCpy(*savePtr, s, strlen(s)+1);
18163 clock = time((time_t *)NULL);
18164 tm = localtime(&clock);
18165 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18166 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18167 return StrSave(buf);
18172 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18174 int i, j, fromX, fromY, toX, toY;
18175 int whiteToPlay, haveRights = nrCastlingRights;
18181 whiteToPlay = (gameMode == EditPosition) ?
18182 !blackPlaysFirst : (move % 2 == 0);
18185 /* Piece placement data */
18186 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18187 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18189 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18190 if (boards[move][i][j] == EmptySquare) {
18192 } else { ChessSquare piece = boards[move][i][j];
18193 if (emptycount > 0) {
18194 if(emptycount<10) /* [HGM] can be >= 10 */
18195 *p++ = '0' + emptycount;
18196 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18199 if(PieceToChar(piece) == '+') {
18200 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18202 piece = (ChessSquare)(CHUDEMOTED(piece));
18204 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18205 if(*p = PieceSuffix(piece)) p++;
18207 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18208 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18213 if (emptycount > 0) {
18214 if(emptycount<10) /* [HGM] can be >= 10 */
18215 *p++ = '0' + emptycount;
18216 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18223 /* [HGM] print Crazyhouse or Shogi holdings */
18224 if( gameInfo.holdingsWidth ) {
18225 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18227 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18228 piece = boards[move][i][BOARD_WIDTH-1];
18229 if( piece != EmptySquare )
18230 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18231 *p++ = PieceToChar(piece);
18233 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18234 piece = boards[move][BOARD_HEIGHT-i-1][0];
18235 if( piece != EmptySquare )
18236 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18237 *p++ = PieceToChar(piece);
18240 if( q == p ) *p++ = '-';
18246 *p++ = whiteToPlay ? 'w' : 'b';
18249 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18250 haveRights = 0; q = p;
18251 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18252 piece = boards[move][0][i];
18253 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18254 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18257 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18258 piece = boards[move][BOARD_HEIGHT-1][i];
18259 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18260 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18263 if(p == q) *p++ = '-';
18267 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18270 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18273 int handW=0, handB=0;
18274 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18275 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18276 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18279 if(appData.fischerCastling) {
18280 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18281 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18282 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18284 /* [HGM] write directly from rights */
18285 if(boards[move][CASTLING][2] != NoRights &&
18286 boards[move][CASTLING][0] != NoRights )
18287 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18288 if(boards[move][CASTLING][2] != NoRights &&
18289 boards[move][CASTLING][1] != NoRights )
18290 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18293 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18294 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18296 if(boards[move][CASTLING][5] != NoRights &&
18297 boards[move][CASTLING][3] != NoRights )
18298 *p++ = boards[move][CASTLING][3] + AAA;
18299 if(boards[move][CASTLING][5] != NoRights &&
18300 boards[move][CASTLING][4] != NoRights )
18301 *p++ = boards[move][CASTLING][4] + AAA;
18305 /* [HGM] write true castling rights */
18306 if( nrCastlingRights == 6 ) {
18308 if(boards[move][CASTLING][0] != NoRights &&
18309 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18310 q = (boards[move][CASTLING][1] != NoRights &&
18311 boards[move][CASTLING][2] != NoRights );
18312 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18313 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18314 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18315 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18319 if(boards[move][CASTLING][3] != NoRights &&
18320 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18321 q = (boards[move][CASTLING][4] != NoRights &&
18322 boards[move][CASTLING][5] != NoRights );
18324 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18325 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18326 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18331 if (q == p) *p++ = '-'; /* No castling rights */
18335 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18336 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18337 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18338 /* En passant target square */
18339 if (move > backwardMostMove) {
18340 fromX = moveList[move - 1][0] - AAA;
18341 fromY = moveList[move - 1][1] - ONE;
18342 toX = moveList[move - 1][2] - AAA;
18343 toY = moveList[move - 1][3] - ONE;
18344 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18345 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18346 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18348 /* 2-square pawn move just happened */
18350 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18354 } else if(move == backwardMostMove) {
18355 // [HGM] perhaps we should always do it like this, and forget the above?
18356 if((signed char)boards[move][EP_STATUS] >= 0) {
18357 *p++ = boards[move][EP_STATUS] + AAA;
18358 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18370 { int i = 0, j=move;
18372 /* [HGM] find reversible plies */
18373 if (appData.debugMode) { int k;
18374 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18375 for(k=backwardMostMove; k<=forwardMostMove; k++)
18376 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18380 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18381 if( j == backwardMostMove ) i += initialRulePlies;
18382 sprintf(p, "%d ", i);
18383 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18385 /* Fullmove number */
18386 sprintf(p, "%d", (move / 2) + 1);
18387 } else *--p = NULLCHAR;
18389 return StrSave(buf);
18393 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18395 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18397 int emptycount, virgin[BOARD_FILES];
18398 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18402 /* Piece placement data */
18403 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18406 if (*p == '/' || *p == ' ' || *p == '[' ) {
18408 emptycount = gameInfo.boardWidth - j;
18409 while (emptycount--)
18410 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18411 if (*p == '/') p++;
18412 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18413 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18414 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18416 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18419 #if(BOARD_FILES >= 10)*0
18420 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18421 p++; emptycount=10;
18422 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18423 while (emptycount--)
18424 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18426 } else if (*p == '*') {
18427 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18428 } else if (isdigit(*p)) {
18429 emptycount = *p++ - '0';
18430 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18431 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18432 while (emptycount--)
18433 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18434 } else if (*p == '<') {
18435 if(i == BOARD_HEIGHT-1) shuffle = 1;
18436 else if (i != 0 || !shuffle) return FALSE;
18438 } else if (shuffle && *p == '>') {
18439 p++; // for now ignore closing shuffle range, and assume rank-end
18440 } else if (*p == '?') {
18441 if (j >= gameInfo.boardWidth) return FALSE;
18442 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18443 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18444 } else if (*p == '+' || isalpha(*p)) {
18445 char *q, *s = SUFFIXES;
18446 if (j >= gameInfo.boardWidth) return FALSE;
18449 if(q = strchr(s, p[1])) p++;
18450 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18451 if(piece == EmptySquare) return FALSE; /* unknown piece */
18452 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18453 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18456 if(q = strchr(s, *p)) p++;
18457 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18460 if(piece==EmptySquare) return FALSE; /* unknown piece */
18461 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18462 piece = (ChessSquare) (PROMOTED(piece));
18463 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18466 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18467 if(piece == king) wKingRank = i;
18468 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18474 while (*p == '/' || *p == ' ') p++;
18476 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18478 /* [HGM] by default clear Crazyhouse holdings, if present */
18479 if(gameInfo.holdingsWidth) {
18480 for(i=0; i<BOARD_HEIGHT; i++) {
18481 board[i][0] = EmptySquare; /* black holdings */
18482 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18483 board[i][1] = (ChessSquare) 0; /* black counts */
18484 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18488 /* [HGM] look for Crazyhouse holdings here */
18489 while(*p==' ') p++;
18490 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18491 int swap=0, wcnt=0, bcnt=0;
18493 if(*p == '<') swap++, p++;
18494 if(*p == '-' ) p++; /* empty holdings */ else {
18495 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18496 /* if we would allow FEN reading to set board size, we would */
18497 /* have to add holdings and shift the board read so far here */
18498 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18500 if((int) piece >= (int) BlackPawn ) {
18501 i = (int)piece - (int)BlackPawn;
18502 i = PieceToNumber((ChessSquare)i);
18503 if( i >= gameInfo.holdingsSize ) return FALSE;
18504 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18505 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18508 i = (int)piece - (int)WhitePawn;
18509 i = PieceToNumber((ChessSquare)i);
18510 if( i >= gameInfo.holdingsSize ) return FALSE;
18511 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18512 board[i][BOARD_WIDTH-2]++; /* black holdings */
18516 if(subst) { // substitute back-rank question marks by holdings pieces
18517 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18518 int k, m, n = bcnt + 1;
18519 if(board[0][j] == ClearBoard) {
18520 if(!wcnt) return FALSE;
18522 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18523 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18524 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18528 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18529 if(!bcnt) return FALSE;
18530 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18531 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18532 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18533 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18544 if(subst) return FALSE; // substitution requested, but no holdings
18546 while(*p == ' ') p++;
18550 if(appData.colorNickNames) {
18551 if( c == appData.colorNickNames[0] ) c = 'w'; else
18552 if( c == appData.colorNickNames[1] ) c = 'b';
18556 *blackPlaysFirst = FALSE;
18559 *blackPlaysFirst = TRUE;
18565 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18566 /* return the extra info in global variiables */
18568 while(*p==' ') p++;
18570 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18571 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18572 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18575 /* set defaults in case FEN is incomplete */
18576 board[EP_STATUS] = EP_UNKNOWN;
18577 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18578 for(i=0; i<nrCastlingRights; i++ ) {
18579 board[CASTLING][i] =
18580 appData.fischerCastling ? NoRights : initialRights[i];
18581 } /* assume possible unless obviously impossible */
18582 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18583 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18584 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18585 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18586 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18587 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18588 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18589 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18592 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18595 while(isalpha(*p)) {
18596 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18597 if(islower(*p)) b |= 1 << (*p++ - 'a');
18601 board[TOUCHED_W] = ~w;
18602 board[TOUCHED_B] = ~b;
18603 while(*p == ' ') p++;
18607 if(nrCastlingRights) {
18609 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18610 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18611 /* castling indicator present, so default becomes no castlings */
18612 for(i=0; i<nrCastlingRights; i++ ) {
18613 board[CASTLING][i] = NoRights;
18616 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18617 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18618 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18619 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18620 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18622 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18623 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18624 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18626 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18627 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18628 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18629 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18630 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18631 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18634 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18635 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18636 board[CASTLING][2] = whiteKingFile;
18637 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18638 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18639 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18642 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18643 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18644 board[CASTLING][2] = whiteKingFile;
18645 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18646 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18647 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18650 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18651 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18652 board[CASTLING][5] = blackKingFile;
18653 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18654 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18655 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18658 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18659 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18660 board[CASTLING][5] = blackKingFile;
18661 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18662 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18663 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18666 default: /* FRC castlings */
18667 if(c >= 'a') { /* black rights */
18668 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18669 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18670 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18671 if(i == BOARD_RGHT) break;
18672 board[CASTLING][5] = i;
18674 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18675 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18677 board[CASTLING][3] = c;
18679 board[CASTLING][4] = c;
18680 } else { /* white rights */
18681 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18682 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18683 if(board[0][i] == WhiteKing) break;
18684 if(i == BOARD_RGHT) break;
18685 board[CASTLING][2] = i;
18686 c -= AAA - 'a' + 'A';
18687 if(board[0][c] >= WhiteKing) break;
18689 board[CASTLING][0] = c;
18691 board[CASTLING][1] = c;
18695 for(i=0; i<nrCastlingRights; i++)
18696 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18697 if(gameInfo.variant == VariantSChess)
18698 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18699 if(fischer && shuffle) appData.fischerCastling = TRUE;
18700 if (appData.debugMode) {
18701 fprintf(debugFP, "FEN castling rights:");
18702 for(i=0; i<nrCastlingRights; i++)
18703 fprintf(debugFP, " %d", board[CASTLING][i]);
18704 fprintf(debugFP, "\n");
18707 while(*p==' ') p++;
18710 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18712 /* read e.p. field in games that know e.p. capture */
18713 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18714 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18715 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18717 p++; board[EP_STATUS] = EP_NONE;
18719 char c = *p++ - AAA;
18721 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18722 if(*p >= '0' && *p <='9') p++;
18723 board[EP_STATUS] = c;
18728 if(sscanf(p, "%d", &i) == 1) {
18729 FENrulePlies = i; /* 50-move ply counter */
18730 /* (The move number is still ignored) */
18737 EditPositionPasteFEN (char *fen)
18740 Board initial_position;
18742 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18743 DisplayError(_("Bad FEN position in clipboard"), 0);
18746 int savedBlackPlaysFirst = blackPlaysFirst;
18747 EditPositionEvent();
18748 blackPlaysFirst = savedBlackPlaysFirst;
18749 CopyBoard(boards[0], initial_position);
18750 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18751 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18752 DisplayBothClocks();
18753 DrawPosition(FALSE, boards[currentMove]);
18758 static char cseq[12] = "\\ ";
18761 set_cont_sequence (char *new_seq)
18766 // handle bad attempts to set the sequence
18768 return 0; // acceptable error - no debug
18770 len = strlen(new_seq);
18771 ret = (len > 0) && (len < sizeof(cseq));
18773 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18774 else if (appData.debugMode)
18775 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18780 reformat a source message so words don't cross the width boundary. internal
18781 newlines are not removed. returns the wrapped size (no null character unless
18782 included in source message). If dest is NULL, only calculate the size required
18783 for the dest buffer. lp argument indicats line position upon entry, and it's
18784 passed back upon exit.
18787 wrap (char *dest, char *src, int count, int width, int *lp)
18789 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18791 cseq_len = strlen(cseq);
18792 old_line = line = *lp;
18793 ansi = len = clen = 0;
18795 for (i=0; i < count; i++)
18797 if (src[i] == '\033')
18800 // if we hit the width, back up
18801 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18803 // store i & len in case the word is too long
18804 old_i = i, old_len = len;
18806 // find the end of the last word
18807 while (i && src[i] != ' ' && src[i] != '\n')
18813 // word too long? restore i & len before splitting it
18814 if ((old_i-i+clen) >= width)
18821 if (i && src[i-1] == ' ')
18824 if (src[i] != ' ' && src[i] != '\n')
18831 // now append the newline and continuation sequence
18836 strncpy(dest+len, cseq, cseq_len);
18844 dest[len] = src[i];
18848 if (src[i] == '\n')
18853 if (dest && appData.debugMode)
18855 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18856 count, width, line, len, *lp);
18857 show_bytes(debugFP, src, count);
18858 fprintf(debugFP, "\ndest: ");
18859 show_bytes(debugFP, dest, len);
18860 fprintf(debugFP, "\n");
18862 *lp = dest ? line : old_line;
18867 // [HGM] vari: routines for shelving variations
18868 Boolean modeRestore = FALSE;
18871 PushInner (int firstMove, int lastMove)
18873 int i, j, nrMoves = lastMove - firstMove;
18875 // push current tail of game on stack
18876 savedResult[storedGames] = gameInfo.result;
18877 savedDetails[storedGames] = gameInfo.resultDetails;
18878 gameInfo.resultDetails = NULL;
18879 savedFirst[storedGames] = firstMove;
18880 savedLast [storedGames] = lastMove;
18881 savedFramePtr[storedGames] = framePtr;
18882 framePtr -= nrMoves; // reserve space for the boards
18883 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18884 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18885 for(j=0; j<MOVE_LEN; j++)
18886 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18887 for(j=0; j<2*MOVE_LEN; j++)
18888 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18889 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18890 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18891 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18892 pvInfoList[firstMove+i-1].depth = 0;
18893 commentList[framePtr+i] = commentList[firstMove+i];
18894 commentList[firstMove+i] = NULL;
18898 forwardMostMove = firstMove; // truncate game so we can start variation
18902 PushTail (int firstMove, int lastMove)
18904 if(appData.icsActive) { // only in local mode
18905 forwardMostMove = currentMove; // mimic old ICS behavior
18908 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18910 PushInner(firstMove, lastMove);
18911 if(storedGames == 1) GreyRevert(FALSE);
18912 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18916 PopInner (Boolean annotate)
18919 char buf[8000], moveBuf[20];
18921 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18922 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18923 nrMoves = savedLast[storedGames] - currentMove;
18926 if(!WhiteOnMove(currentMove))
18927 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18928 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18929 for(i=currentMove; i<forwardMostMove; i++) {
18931 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18932 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18933 strcat(buf, moveBuf);
18934 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18935 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18939 for(i=1; i<=nrMoves; i++) { // copy last variation back
18940 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18941 for(j=0; j<MOVE_LEN; j++)
18942 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18943 for(j=0; j<2*MOVE_LEN; j++)
18944 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18945 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18946 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18947 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18948 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18949 commentList[currentMove+i] = commentList[framePtr+i];
18950 commentList[framePtr+i] = NULL;
18952 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18953 framePtr = savedFramePtr[storedGames];
18954 gameInfo.result = savedResult[storedGames];
18955 if(gameInfo.resultDetails != NULL) {
18956 free(gameInfo.resultDetails);
18958 gameInfo.resultDetails = savedDetails[storedGames];
18959 forwardMostMove = currentMove + nrMoves;
18963 PopTail (Boolean annotate)
18965 if(appData.icsActive) return FALSE; // only in local mode
18966 if(!storedGames) return FALSE; // sanity
18967 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18969 PopInner(annotate);
18970 if(currentMove < forwardMostMove) ForwardEvent(); else
18971 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18973 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18979 { // remove all shelved variations
18981 for(i=0; i<storedGames; i++) {
18982 if(savedDetails[i])
18983 free(savedDetails[i]);
18984 savedDetails[i] = NULL;
18986 for(i=framePtr; i<MAX_MOVES; i++) {
18987 if(commentList[i]) free(commentList[i]);
18988 commentList[i] = NULL;
18990 framePtr = MAX_MOVES-1;
18995 LoadVariation (int index, char *text)
18996 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18997 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18998 int level = 0, move;
19000 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19001 // first find outermost bracketing variation
19002 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19003 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19004 if(*p == '{') wait = '}'; else
19005 if(*p == '[') wait = ']'; else
19006 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19007 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19009 if(*p == wait) wait = NULLCHAR; // closing ]} found
19012 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19013 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19014 end[1] = NULLCHAR; // clip off comment beyond variation
19015 ToNrEvent(currentMove-1);
19016 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19017 // kludge: use ParsePV() to append variation to game
19018 move = currentMove;
19019 ParsePV(start, TRUE, TRUE);
19020 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19021 ClearPremoveHighlights();
19023 ToNrEvent(currentMove+1);
19029 char *p, *q, buf[MSG_SIZ];
19030 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19031 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19032 ParseArgsFromString(buf);
19033 ActivateTheme(TRUE); // also redo colors
19037 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19040 q = appData.themeNames;
19041 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19042 if(appData.useBitmaps) {
19043 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19044 appData.liteBackTextureFile, appData.darkBackTextureFile,
19045 appData.liteBackTextureMode,
19046 appData.darkBackTextureMode );
19048 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
19049 Col2Text(2), // lightSquareColor
19050 Col2Text(3) ); // darkSquareColor
19052 if(appData.useBorder) {
19053 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19056 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19058 if(appData.useFont) {
19059 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19060 appData.renderPiecesWithFont,
19061 appData.fontToPieceTable,
19062 Col2Text(9), // appData.fontBackColorWhite
19063 Col2Text(10) ); // appData.fontForeColorBlack
19065 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
19066 appData.pieceDirectory);
19067 if(!appData.pieceDirectory[0])
19068 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19069 Col2Text(0), // whitePieceColor
19070 Col2Text(1) ); // blackPieceColor
19072 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19073 Col2Text(4), // highlightSquareColor
19074 Col2Text(5) ); // premoveHighlightColor
19075 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19076 if(insert != q) insert[-1] = NULLCHAR;
19077 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19080 ActivateTheme(FALSE);