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 */
266 extern int tinyLayout, smallLayout;
267 ChessProgramStats programStats;
268 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
270 static int exiting = 0; /* [HGM] moved to top */
271 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
272 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
273 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
274 int partnerHighlight[2];
275 Boolean partnerBoardValid = 0;
276 char partnerStatus[MSG_SIZ];
278 Boolean originalFlip;
279 Boolean twoBoards = 0;
280 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
281 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
282 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
283 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
284 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
285 int opponentKibitzes;
286 int lastSavedGame; /* [HGM] save: ID of game */
287 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
288 extern int chatCount;
290 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
291 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
292 char lastMsg[MSG_SIZ];
293 char lastTalker[MSG_SIZ];
294 ChessSquare pieceSweep = EmptySquare;
295 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
296 int promoDefaultAltered;
297 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
298 static int initPing = -1;
299 int border; /* [HGM] width of board rim, needed to size seek graph */
300 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
301 int solvingTime, totalTime;
303 /* States for ics_getting_history */
305 #define H_REQUESTED 1
306 #define H_GOT_REQ_HEADER 2
307 #define H_GOT_UNREQ_HEADER 3
308 #define H_GETTING_MOVES 4
309 #define H_GOT_UNWANTED_HEADER 5
311 /* whosays values for GameEnds */
320 /* Maximum number of games in a cmail message */
321 #define CMAIL_MAX_GAMES 20
323 /* Different types of move when calling RegisterMove */
325 #define CMAIL_RESIGN 1
327 #define CMAIL_ACCEPT 3
329 /* Different types of result to remember for each game */
330 #define CMAIL_NOT_RESULT 0
331 #define CMAIL_OLD_RESULT 1
332 #define CMAIL_NEW_RESULT 2
334 /* Telnet protocol constants */
345 safeStrCpy (char *dst, const char *src, size_t count)
348 assert( dst != NULL );
349 assert( src != NULL );
352 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
353 if( i == count && dst[count-1] != NULLCHAR)
355 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
356 if(appData.debugMode)
357 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
363 /* Some compiler can't cast u64 to double
364 * This function do the job for us:
366 * We use the highest bit for cast, this only
367 * works if the highest bit is not
368 * in use (This should not happen)
370 * We used this for all compiler
373 u64ToDouble (u64 value)
376 u64 tmp = value & u64Const(0x7fffffffffffffff);
377 r = (double)(s64)tmp;
378 if (value & u64Const(0x8000000000000000))
379 r += 9.2233720368547758080e18; /* 2^63 */
383 /* Fake up flags for now, as we aren't keeping track of castling
384 availability yet. [HGM] Change of logic: the flag now only
385 indicates the type of castlings allowed by the rule of the game.
386 The actual rights themselves are maintained in the array
387 castlingRights, as part of the game history, and are not probed
393 int flags = F_ALL_CASTLE_OK;
394 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
395 switch (gameInfo.variant) {
397 flags &= ~F_ALL_CASTLE_OK;
398 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
399 flags |= F_IGNORE_CHECK;
401 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
404 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
406 case VariantKriegspiel:
407 flags |= F_KRIEGSPIEL_CAPTURE;
409 case VariantCapaRandom:
410 case VariantFischeRandom:
411 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
412 case VariantNoCastle:
413 case VariantShatranj:
418 flags &= ~F_ALL_CASTLE_OK;
421 case VariantChuChess:
423 flags |= F_NULL_MOVE;
428 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
432 FILE *gameFileFP, *debugFP, *serverFP;
433 char *currentDebugFile; // [HGM] debug split: to remember name
436 [AS] Note: sometimes, the sscanf() function is used to parse the input
437 into a fixed-size buffer. Because of this, we must be prepared to
438 receive strings as long as the size of the input buffer, which is currently
439 set to 4K for Windows and 8K for the rest.
440 So, we must either allocate sufficiently large buffers here, or
441 reduce the size of the input buffer in the input reading part.
444 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
445 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
446 char thinkOutput1[MSG_SIZ*10];
447 char promoRestrict[MSG_SIZ];
449 ChessProgramState first, second, pairing;
451 /* premove variables */
454 int premoveFromX = 0;
455 int premoveFromY = 0;
456 int premovePromoChar = 0;
458 Boolean alarmSounded;
459 /* end premove variables */
461 char *ics_prefix = "$";
462 enum ICS_TYPE ics_type = ICS_GENERIC;
464 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
465 int pauseExamForwardMostMove = 0;
466 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
467 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
468 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
469 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
470 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
471 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
472 int whiteFlag = FALSE, blackFlag = FALSE;
473 int userOfferedDraw = FALSE;
474 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
475 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
476 int cmailMoveType[CMAIL_MAX_GAMES];
477 long ics_clock_paused = 0;
478 ProcRef icsPR = NoProc, cmailPR = NoProc;
479 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
480 GameMode gameMode = BeginningOfGame;
481 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
482 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
483 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
484 int hiddenThinkOutputState = 0; /* [AS] */
485 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
486 int adjudicateLossPlies = 6;
487 char white_holding[64], black_holding[64];
488 TimeMark lastNodeCountTime;
489 long lastNodeCount=0;
490 int shiftKey, controlKey; // [HGM] set by mouse handler
492 int have_sent_ICS_logon = 0;
494 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
495 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
496 Boolean adjustedClock;
497 long timeControl_2; /* [AS] Allow separate time controls */
498 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
499 long timeRemaining[2][MAX_MOVES];
500 int matchGame = 0, nextGame = 0, roundNr = 0;
501 Boolean waitingForGame = FALSE, startingEngine = FALSE;
502 TimeMark programStartTime, pauseStart;
503 char ics_handle[MSG_SIZ];
504 int have_set_title = 0;
506 /* animateTraining preserves the state of appData.animate
507 * when Training mode is activated. This allows the
508 * response to be animated when appData.animate == TRUE and
509 * appData.animateDragging == TRUE.
511 Boolean animateTraining;
517 Board boards[MAX_MOVES];
518 /* [HGM] Following 7 needed for accurate legality tests: */
519 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
520 unsigned char initialRights[BOARD_FILES];
521 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
522 int initialRulePlies, FENrulePlies;
523 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
525 Boolean shuffleOpenings;
526 int mute; // mute all sounds
528 // [HGM] vari: next 12 to save and restore variations
529 #define MAX_VARIATIONS 10
530 int framePtr = MAX_MOVES-1; // points to free stack entry
532 int savedFirst[MAX_VARIATIONS];
533 int savedLast[MAX_VARIATIONS];
534 int savedFramePtr[MAX_VARIATIONS];
535 char *savedDetails[MAX_VARIATIONS];
536 ChessMove savedResult[MAX_VARIATIONS];
538 void PushTail P((int firstMove, int lastMove));
539 Boolean PopTail P((Boolean annotate));
540 void PushInner P((int firstMove, int lastMove));
541 void PopInner P((Boolean annotate));
542 void CleanupTail P((void));
544 ChessSquare FIDEArray[2][BOARD_FILES] = {
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
548 BlackKing, BlackBishop, BlackKnight, BlackRook }
551 ChessSquare twoKingsArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
553 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
555 BlackKing, BlackKing, BlackKnight, BlackRook }
558 ChessSquare KnightmateArray[2][BOARD_FILES] = {
559 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
560 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
561 { BlackRook, BlackMan, BlackBishop, BlackQueen,
562 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
565 ChessSquare SpartanArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
567 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackAlfil, BlackDragon, BlackKing, BlackTower,
569 BlackTower, BlackKing, BlackAngel, BlackAlfil }
572 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
576 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
579 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
580 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
581 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
583 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
586 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
587 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
588 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackMan, BlackFerz,
590 BlackKing, BlackMan, BlackKnight, BlackRook }
593 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
594 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
595 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackMan, BlackFerz,
597 BlackKing, BlackMan, BlackKnight, BlackRook }
600 ChessSquare lionArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
602 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackLion, BlackBishop, BlackQueen,
604 BlackKing, BlackBishop, BlackKnight, BlackRook }
608 #if (BOARD_FILES>=10)
609 ChessSquare ShogiArray[2][BOARD_FILES] = {
610 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
611 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
612 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
613 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
616 ChessSquare XiangqiArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
618 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
620 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
623 ChessSquare CapablancaArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
625 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
627 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
630 ChessSquare GreatArray[2][BOARD_FILES] = {
631 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
632 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
633 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
634 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
637 ChessSquare JanusArray[2][BOARD_FILES] = {
638 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
639 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
640 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
641 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
644 ChessSquare GrandArray[2][BOARD_FILES] = {
645 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
646 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
647 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
648 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
651 ChessSquare ChuChessArray[2][BOARD_FILES] = {
652 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
653 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
654 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
655 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
659 ChessSquare GothicArray[2][BOARD_FILES] = {
660 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
661 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
662 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
663 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
666 #define GothicArray CapablancaArray
670 ChessSquare FalconArray[2][BOARD_FILES] = {
671 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
672 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
673 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
674 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
677 #define FalconArray CapablancaArray
680 #else // !(BOARD_FILES>=10)
681 #define XiangqiPosition FIDEArray
682 #define CapablancaArray FIDEArray
683 #define GothicArray FIDEArray
684 #define GreatArray FIDEArray
685 #endif // !(BOARD_FILES>=10)
687 #if (BOARD_FILES>=12)
688 ChessSquare CourierArray[2][BOARD_FILES] = {
689 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
690 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
691 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
692 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
694 ChessSquare ChuArray[6][BOARD_FILES] = {
695 { WhiteLance, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
696 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
697 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
698 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
699 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
700 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
701 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
702 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
703 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
704 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
705 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
706 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
708 #else // !(BOARD_FILES>=12)
709 #define CourierArray CapablancaArray
710 #define ChuArray CapablancaArray
711 #endif // !(BOARD_FILES>=12)
714 Board initialPosition;
717 /* Convert str to a rating. Checks for special cases of "----",
719 "++++", etc. Also strips ()'s */
721 string_to_rating (char *str)
723 while(*str && !isdigit(*str)) ++str;
725 return 0; /* One of the special "no rating" cases */
733 /* Init programStats */
734 programStats.movelist[0] = 0;
735 programStats.depth = 0;
736 programStats.nr_moves = 0;
737 programStats.moves_left = 0;
738 programStats.nodes = 0;
739 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
740 programStats.score = 0;
741 programStats.got_only_move = 0;
742 programStats.got_fail = 0;
743 programStats.line_is_book = 0;
748 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
749 if (appData.firstPlaysBlack) {
750 first.twoMachinesColor = "black\n";
751 second.twoMachinesColor = "white\n";
753 first.twoMachinesColor = "white\n";
754 second.twoMachinesColor = "black\n";
757 first.other = &second;
758 second.other = &first;
761 if(appData.timeOddsMode) {
762 norm = appData.timeOdds[0];
763 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
765 first.timeOdds = appData.timeOdds[0]/norm;
766 second.timeOdds = appData.timeOdds[1]/norm;
769 if(programVersion) free(programVersion);
770 if (appData.noChessProgram) {
771 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
772 sprintf(programVersion, "%s", PACKAGE_STRING);
774 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
775 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
776 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
781 UnloadEngine (ChessProgramState *cps)
783 /* Kill off first chess program */
784 if (cps->isr != NULL)
785 RemoveInputSource(cps->isr);
788 if (cps->pr != NoProc) {
790 DoSleep( appData.delayBeforeQuit );
791 SendToProgram("quit\n", cps);
792 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
795 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
799 ClearOptions (ChessProgramState *cps)
802 cps->nrOptions = cps->comboCnt = 0;
803 for(i=0; i<MAX_OPTIONS; i++) {
804 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
805 cps->option[i].textValue = 0;
809 char *engineNames[] = {
810 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
811 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
813 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
814 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
819 InitEngine (ChessProgramState *cps, int n)
820 { // [HGM] all engine initialiation put in a function that does one engine
824 cps->which = engineNames[n];
825 cps->maybeThinking = FALSE;
829 cps->sendDrawOffers = 1;
831 cps->program = appData.chessProgram[n];
832 cps->host = appData.host[n];
833 cps->dir = appData.directory[n];
834 cps->initString = appData.engInitString[n];
835 cps->computerString = appData.computerString[n];
836 cps->useSigint = TRUE;
837 cps->useSigterm = TRUE;
838 cps->reuse = appData.reuse[n];
839 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
840 cps->useSetboard = FALSE;
842 cps->usePing = FALSE;
845 cps->usePlayother = FALSE;
846 cps->useColors = TRUE;
847 cps->useUsermove = FALSE;
848 cps->sendICS = FALSE;
849 cps->sendName = appData.icsActive;
850 cps->sdKludge = FALSE;
851 cps->stKludge = FALSE;
852 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
853 TidyProgramName(cps->program, cps->host, cps->tidy);
855 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
856 cps->analysisSupport = 2; /* detect */
857 cps->analyzing = FALSE;
858 cps->initDone = FALSE;
860 cps->pseudo = appData.pseudo[n];
862 /* New features added by Tord: */
863 cps->useFEN960 = FALSE;
864 cps->useOOCastle = TRUE;
865 /* End of new features added by Tord. */
866 cps->fenOverride = appData.fenOverride[n];
868 /* [HGM] time odds: set factor for each machine */
869 cps->timeOdds = appData.timeOdds[n];
871 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
872 cps->accumulateTC = appData.accumulateTC[n];
873 cps->maxNrOfSessions = 1;
878 cps->drawDepth = appData.drawDepth[n];
879 cps->supportsNPS = UNKNOWN;
880 cps->memSize = FALSE;
881 cps->maxCores = FALSE;
882 ASSIGN(cps->egtFormats, "");
885 cps->optionSettings = appData.engOptions[n];
887 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
888 cps->isUCI = appData.isUCI[n]; /* [AS] */
889 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
892 if (appData.protocolVersion[n] > PROTOVER
893 || appData.protocolVersion[n] < 1)
898 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
899 appData.protocolVersion[n]);
900 if( (len >= MSG_SIZ) && appData.debugMode )
901 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
903 DisplayFatalError(buf, 0, 2);
907 cps->protocolVersion = appData.protocolVersion[n];
910 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
911 ParseFeatures(appData.featureDefaults, cps);
914 ChessProgramState *savCps;
922 if(WaitForEngine(savCps, LoadEngine)) return;
923 CommonEngineInit(); // recalculate time odds
924 if(gameInfo.variant != StringToVariant(appData.variant)) {
925 // we changed variant when loading the engine; this forces us to reset
926 Reset(TRUE, savCps != &first);
927 oldMode = BeginningOfGame; // to prevent restoring old mode
929 InitChessProgram(savCps, FALSE);
930 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
931 DisplayMessage("", "");
932 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
933 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
936 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
940 ReplaceEngine (ChessProgramState *cps, int n)
942 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
944 if(oldMode != BeginningOfGame) EditGameEvent();
947 appData.noChessProgram = FALSE;
948 appData.clockMode = TRUE;
951 if(n) return; // only startup first engine immediately; second can wait
952 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
956 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
957 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
959 static char resetOptions[] =
960 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
961 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
962 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
963 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
966 FloatToFront(char **list, char *engineLine)
968 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
970 if(appData.recentEngines <= 0) return;
971 TidyProgramName(engineLine, "localhost", tidy+1);
972 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
973 strncpy(buf+1, *list, MSG_SIZ-50);
974 if(p = strstr(buf, tidy)) { // tidy name appears in list
975 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
976 while(*p++ = *++q); // squeeze out
978 strcat(tidy, buf+1); // put list behind tidy name
979 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
980 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
981 ASSIGN(*list, tidy+1);
984 char *insert, *wbOptions, *currentEngine[2]; // point in ChessProgramNames were we should insert new engine
987 Load (ChessProgramState *cps, int i)
989 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
990 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
991 ASSIGN(currentEngine[i], engineLine);
992 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
993 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
994 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
995 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
996 appData.firstProtocolVersion = PROTOVER;
997 ParseArgsFromString(buf);
999 ReplaceEngine(cps, i);
1000 FloatToFront(&appData.recentEngineList, engineLine);
1001 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1005 while(q = strchr(p, SLASH)) p = q+1;
1006 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1007 if(engineDir[0] != NULLCHAR) {
1008 ASSIGN(appData.directory[i], engineDir); p = engineName;
1009 } else if(p != engineName) { // derive directory from engine path, when not given
1011 ASSIGN(appData.directory[i], engineName);
1013 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1014 } else { ASSIGN(appData.directory[i], "."); }
1015 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1017 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1018 snprintf(command, MSG_SIZ, "%s %s", p, params);
1021 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1022 ASSIGN(appData.chessProgram[i], p);
1023 appData.isUCI[i] = isUCI;
1024 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1025 appData.hasOwnBookUCI[i] = hasBook;
1026 if(!nickName[0]) useNick = FALSE;
1027 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1031 q = firstChessProgramNames;
1032 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1033 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1034 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s",
1035 quote, p, quote, appData.directory[i],
1036 useNick ? " -fn \"" : "",
1037 useNick ? nickName : "",
1038 useNick ? "\"" : "",
1039 v1 ? " -firstProtocolVersion 1" : "",
1040 hasBook ? "" : " -fNoOwnBookUCI",
1041 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1042 storeVariant ? " -variant " : "",
1043 storeVariant ? VariantName(gameInfo.variant) : "");
1044 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " %s", wbOptions);
1045 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 2);
1046 if(insert != q) insert[-1] = NULLCHAR;
1047 snprintf(firstChessProgramNames, len, "%s\n%s\n%s", q, buf, insert);
1049 FloatToFront(&appData.recentEngineList, buf);
1050 ASSIGN(currentEngine[i], buf);
1052 ReplaceEngine(cps, i);
1058 int matched, min, sec;
1060 * Parse timeControl resource
1062 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1063 appData.movesPerSession)) {
1065 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1066 DisplayFatalError(buf, 0, 2);
1070 * Parse searchTime resource
1072 if (*appData.searchTime != NULLCHAR) {
1073 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1075 searchTime = min * 60;
1076 } else if (matched == 2) {
1077 searchTime = min * 60 + sec;
1080 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1081 DisplayFatalError(buf, 0, 2);
1090 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1091 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1093 GetTimeMark(&programStartTime);
1094 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1095 appData.seedBase = random() + (random()<<15);
1096 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1098 ClearProgramStats();
1099 programStats.ok_to_send = 1;
1100 programStats.seen_stat = 0;
1103 * Initialize game list
1109 * Internet chess server status
1111 if (appData.icsActive) {
1112 appData.matchMode = FALSE;
1113 appData.matchGames = 0;
1115 appData.noChessProgram = !appData.zippyPlay;
1117 appData.zippyPlay = FALSE;
1118 appData.zippyTalk = FALSE;
1119 appData.noChessProgram = TRUE;
1121 if (*appData.icsHelper != NULLCHAR) {
1122 appData.useTelnet = TRUE;
1123 appData.telnetProgram = appData.icsHelper;
1126 appData.zippyTalk = appData.zippyPlay = FALSE;
1129 /* [AS] Initialize pv info list [HGM] and game state */
1133 for( i=0; i<=framePtr; i++ ) {
1134 pvInfoList[i].depth = -1;
1135 boards[i][EP_STATUS] = EP_NONE;
1136 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1142 /* [AS] Adjudication threshold */
1143 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1145 InitEngine(&first, 0);
1146 InitEngine(&second, 1);
1149 pairing.which = "pairing"; // pairing engine
1150 pairing.pr = NoProc;
1152 pairing.program = appData.pairingEngine;
1153 pairing.host = "localhost";
1156 if (appData.icsActive) {
1157 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1158 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1159 appData.clockMode = FALSE;
1160 first.sendTime = second.sendTime = 0;
1164 /* Override some settings from environment variables, for backward
1165 compatibility. Unfortunately it's not feasible to have the env
1166 vars just set defaults, at least in xboard. Ugh.
1168 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1173 if (!appData.icsActive) {
1177 /* Check for variants that are supported only in ICS mode,
1178 or not at all. Some that are accepted here nevertheless
1179 have bugs; see comments below.
1181 VariantClass variant = StringToVariant(appData.variant);
1183 case VariantBughouse: /* need four players and two boards */
1184 case VariantKriegspiel: /* need to hide pieces and move details */
1185 /* case VariantFischeRandom: (Fabien: moved below) */
1186 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1187 if( (len >= MSG_SIZ) && appData.debugMode )
1188 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1190 DisplayFatalError(buf, 0, 2);
1193 case VariantUnknown:
1194 case VariantLoadable:
1204 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1205 if( (len >= MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1208 DisplayFatalError(buf, 0, 2);
1211 case VariantNormal: /* definitely works! */
1212 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1213 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1216 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1217 case VariantFairy: /* [HGM] TestLegality definitely off! */
1218 case VariantGothic: /* [HGM] should work */
1219 case VariantCapablanca: /* [HGM] should work */
1220 case VariantCourier: /* [HGM] initial forced moves not implemented */
1221 case VariantShogi: /* [HGM] could still mate with pawn drop */
1222 case VariantChu: /* [HGM] experimental */
1223 case VariantKnightmate: /* [HGM] should work */
1224 case VariantCylinder: /* [HGM] untested */
1225 case VariantFalcon: /* [HGM] untested */
1226 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1227 offboard interposition not understood */
1228 case VariantWildCastle: /* pieces not automatically shuffled */
1229 case VariantNoCastle: /* pieces not automatically shuffled */
1230 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1231 case VariantLosers: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantSuicide: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantGiveaway: /* should work except for win condition,
1236 and doesn't know captures are mandatory */
1237 case VariantTwoKings: /* should work */
1238 case VariantAtomic: /* should work except for win condition */
1239 case Variant3Check: /* should work except for win condition */
1240 case VariantShatranj: /* should work except for all win conditions */
1241 case VariantMakruk: /* should work except for draw countdown */
1242 case VariantASEAN : /* should work except for draw countdown */
1243 case VariantBerolina: /* might work if TestLegality is off */
1244 case VariantCapaRandom: /* should work */
1245 case VariantJanus: /* should work */
1246 case VariantSuper: /* experimental */
1247 case VariantGreat: /* experimental, requires legality testing to be off */
1248 case VariantSChess: /* S-Chess, should work */
1249 case VariantGrand: /* should work */
1250 case VariantSpartan: /* should work */
1251 case VariantLion: /* should work */
1252 case VariantChuChess: /* should work */
1260 NextIntegerFromString (char ** str, long * value)
1265 while( *s == ' ' || *s == '\t' ) {
1271 if( *s >= '0' && *s <= '9' ) {
1272 while( *s >= '0' && *s <= '9' ) {
1273 *value = *value * 10 + (*s - '0');
1286 NextTimeControlFromString (char ** str, long * value)
1289 int result = NextIntegerFromString( str, &temp );
1292 *value = temp * 60; /* Minutes */
1293 if( **str == ':' ) {
1295 result = NextIntegerFromString( str, &temp );
1296 *value += temp; /* Seconds */
1304 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1305 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1306 int result = -1, type = 0; long temp, temp2;
1308 if(**str != ':') return -1; // old params remain in force!
1310 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1311 if( NextIntegerFromString( str, &temp ) ) return -1;
1312 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1315 /* time only: incremental or sudden-death time control */
1316 if(**str == '+') { /* increment follows; read it */
1318 if(**str == '!') type = *(*str)++; // Bronstein TC
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 *inc = temp2 * 1000;
1321 if(**str == '.') { // read fraction of increment
1322 char *start = ++(*str);
1323 if(result = NextIntegerFromString( str, &temp2)) return -1;
1325 while(start++ < *str) temp2 /= 10;
1329 *moves = 0; *tc = temp * 1000; *incType = type;
1333 (*str)++; /* classical time control */
1334 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1346 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1347 { /* [HGM] get time to add from the multi-session time-control string */
1348 int incType, moves=1; /* kludge to force reading of first session */
1349 long time, increment;
1352 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1354 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1355 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1356 if(movenr == -1) return time; /* last move before new session */
1357 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1358 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1359 if(!moves) return increment; /* current session is incremental */
1360 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1361 } while(movenr >= -1); /* try again for next session */
1363 return 0; // no new time quota on this move
1367 ParseTimeControl (char *tc, float ti, int mps)
1371 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1374 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1375 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1376 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1380 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1385 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1387 snprintf(buf, MSG_SIZ, ":%s", mytc);
1389 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1391 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1396 /* Parse second time control */
1399 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1407 timeControl_2 = tc2 * 1000;
1417 timeControl = tc1 * 1000;
1420 timeIncrement = ti * 1000; /* convert to ms */
1421 movesPerSession = 0;
1424 movesPerSession = mps;
1432 if (appData.debugMode) {
1433 # ifdef __GIT_VERSION
1434 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1436 fprintf(debugFP, "Version: %s\n", programVersion);
1439 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1441 set_cont_sequence(appData.wrapContSeq);
1442 if (appData.matchGames > 0) {
1443 appData.matchMode = TRUE;
1444 } else if (appData.matchMode) {
1445 appData.matchGames = 1;
1447 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1448 appData.matchGames = appData.sameColorGames;
1449 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1450 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1451 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1454 if (appData.noChessProgram || first.protocolVersion == 1) {
1457 /* kludge: allow timeout for initial "feature" commands */
1459 DisplayMessage("", _("Starting chess program"));
1460 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1465 CalculateIndex (int index, int gameNr)
1466 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1468 if(index > 0) return index; // fixed nmber
1469 if(index == 0) return 1;
1470 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1471 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1476 LoadGameOrPosition (int gameNr)
1477 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1478 if (*appData.loadGameFile != NULLCHAR) {
1479 if (!LoadGameFromFile(appData.loadGameFile,
1480 CalculateIndex(appData.loadGameIndex, gameNr),
1481 appData.loadGameFile, FALSE)) {
1482 DisplayFatalError(_("Bad game file"), 0, 1);
1485 } else if (*appData.loadPositionFile != NULLCHAR) {
1486 if (!LoadPositionFromFile(appData.loadPositionFile,
1487 CalculateIndex(appData.loadPositionIndex, gameNr),
1488 appData.loadPositionFile)) {
1489 DisplayFatalError(_("Bad position file"), 0, 1);
1497 ReserveGame (int gameNr, char resChar)
1499 FILE *tf = fopen(appData.tourneyFile, "r+");
1500 char *p, *q, c, buf[MSG_SIZ];
1501 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1502 safeStrCpy(buf, lastMsg, MSG_SIZ);
1503 DisplayMessage(_("Pick new game"), "");
1504 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1505 ParseArgsFromFile(tf);
1506 p = q = appData.results;
1507 if(appData.debugMode) {
1508 char *r = appData.participants;
1509 fprintf(debugFP, "results = '%s'\n", p);
1510 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1511 fprintf(debugFP, "\n");
1513 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1515 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1516 safeStrCpy(q, p, strlen(p) + 2);
1517 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1518 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1519 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1520 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1523 fseek(tf, -(strlen(p)+4), SEEK_END);
1525 if(c != '"') // depending on DOS or Unix line endings we can be one off
1526 fseek(tf, -(strlen(p)+2), SEEK_END);
1527 else fseek(tf, -(strlen(p)+3), SEEK_END);
1528 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1529 DisplayMessage(buf, "");
1530 free(p); appData.results = q;
1531 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1532 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1533 int round = appData.defaultMatchGames * appData.tourneyType;
1534 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1535 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1536 UnloadEngine(&first); // next game belongs to other pairing;
1537 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1539 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1543 MatchEvent (int mode)
1544 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1546 if(matchMode) { // already in match mode: switch it off
1548 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1551 // if(gameMode != BeginningOfGame) {
1552 // DisplayError(_("You can only start a match from the initial position."), 0);
1556 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1557 /* Set up machine vs. machine match */
1559 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1560 if(appData.tourneyFile[0]) {
1562 if(nextGame > appData.matchGames) {
1564 if(strchr(appData.results, '*') == NULL) {
1566 appData.tourneyCycles++;
1567 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1569 NextTourneyGame(-1, &dummy);
1571 if(nextGame <= appData.matchGames) {
1572 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1574 ScheduleDelayedEvent(NextMatchGame, 10000);
1579 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1580 DisplayError(buf, 0);
1581 appData.tourneyFile[0] = 0;
1585 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1586 DisplayFatalError(_("Can't have a match with no chess programs"),
1591 matchGame = roundNr = 1;
1592 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 ParseFeatures(appData.features[0], &first);
1604 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1605 !strcmp(appData.variant, "normal") && // no explicit variant request
1606 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1607 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1608 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1609 char c, *q = first.variants, *p = strchr(q, ',');
1610 if(p) *p = NULLCHAR;
1611 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1613 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1614 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1615 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1616 Reset(TRUE, FALSE); // and re-initialize
1621 InitChessProgram(&first, startedFromSetupPosition);
1623 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1624 free(programVersion);
1625 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1626 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1627 FloatToFront(&appData.recentEngineList, currentEngine[0] ? currentEngine[0] : appData.firstChessProgram);
1630 if (appData.icsActive) {
1632 /* [DM] Make a console window if needed [HGM] merged ifs */
1638 if (*appData.icsCommPort != NULLCHAR)
1639 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1640 appData.icsCommPort);
1642 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1643 appData.icsHost, appData.icsPort);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, err, 1);
1653 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1655 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1656 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1657 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1658 } else if (appData.noChessProgram) {
1664 if (*appData.cmailGameName != NULLCHAR) {
1666 OpenLoopback(&cmailPR);
1668 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1672 DisplayMessage("", "");
1673 if (StrCaseCmp(appData.initialMode, "") == 0) {
1674 initialMode = BeginningOfGame;
1675 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1676 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1677 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1678 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1681 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1682 initialMode = TwoMachinesPlay;
1683 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1684 initialMode = AnalyzeFile;
1685 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1686 initialMode = AnalyzeMode;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1688 initialMode = MachinePlaysWhite;
1689 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1690 initialMode = MachinePlaysBlack;
1691 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1692 initialMode = EditGame;
1693 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1694 initialMode = EditPosition;
1695 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1696 initialMode = Training;
1698 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1699 if( (len >= MSG_SIZ) && appData.debugMode )
1700 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1702 DisplayFatalError(buf, 0, 2);
1706 if (appData.matchMode) {
1707 if(appData.tourneyFile[0]) { // start tourney from command line
1709 if(f = fopen(appData.tourneyFile, "r")) {
1710 ParseArgsFromFile(f); // make sure tourney parmeters re known
1712 appData.clockMode = TRUE;
1714 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1717 } else if (*appData.cmailGameName != NULLCHAR) {
1718 /* Set up cmail mode */
1719 ReloadCmailMsgEvent(TRUE);
1721 /* Set up other modes */
1722 if (initialMode == AnalyzeFile) {
1723 if (*appData.loadGameFile == NULLCHAR) {
1724 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1728 if (*appData.loadGameFile != NULLCHAR) {
1729 (void) LoadGameFromFile(appData.loadGameFile,
1730 appData.loadGameIndex,
1731 appData.loadGameFile, TRUE);
1732 } else if (*appData.loadPositionFile != NULLCHAR) {
1733 (void) LoadPositionFromFile(appData.loadPositionFile,
1734 appData.loadPositionIndex,
1735 appData.loadPositionFile);
1736 /* [HGM] try to make self-starting even after FEN load */
1737 /* to allow automatic setup of fairy variants with wtm */
1738 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1739 gameMode = BeginningOfGame;
1740 setboardSpoiledMachineBlack = 1;
1742 /* [HGM] loadPos: make that every new game uses the setup */
1743 /* from file as long as we do not switch variant */
1744 if(!blackPlaysFirst) {
1745 startedFromPositionFile = TRUE;
1746 CopyBoard(filePosition, boards[0]);
1747 CopyBoard(initialPosition, boards[0]);
1749 } else if(*appData.fen != NULLCHAR) {
1750 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1751 startedFromPositionFile = TRUE;
1755 if (initialMode == AnalyzeMode) {
1756 if (appData.noChessProgram) {
1757 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1765 } else if (initialMode == AnalyzeFile) {
1766 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1767 ShowThinkingEvent();
1769 AnalysisPeriodicEvent(1);
1770 } else if (initialMode == MachinePlaysWhite) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1781 MachineWhiteEvent();
1782 } else if (initialMode == MachinePlaysBlack) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1793 MachineBlackEvent();
1794 } else if (initialMode == TwoMachinesPlay) {
1795 if (appData.noChessProgram) {
1796 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1800 if (appData.icsActive) {
1801 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1806 } else if (initialMode == EditGame) {
1808 } else if (initialMode == EditPosition) {
1809 EditPositionEvent();
1810 } else if (initialMode == Training) {
1811 if (*appData.loadGameFile == NULLCHAR) {
1812 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1821 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1823 DisplayBook(current+1);
1825 MoveHistorySet( movelist, first, last, current, pvInfoList );
1827 EvalGraphSet( first, last, current, pvInfoList );
1829 MakeEngineOutputTitle();
1833 * Establish will establish a contact to a remote host.port.
1834 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1835 * used to talk to the host.
1836 * Returns 0 if okay, error code if not.
1843 if (*appData.icsCommPort != NULLCHAR) {
1844 /* Talk to the host through a serial comm port */
1845 return OpenCommPort(appData.icsCommPort, &icsPR);
1847 } else if (*appData.gateway != NULLCHAR) {
1848 if (*appData.remoteShell == NULLCHAR) {
1849 /* Use the rcmd protocol to run telnet program on a gateway host */
1850 snprintf(buf, sizeof(buf), "%s %s %s",
1851 appData.telnetProgram, appData.icsHost, appData.icsPort);
1852 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1855 /* Use the rsh program to run telnet program on a gateway host */
1856 if (*appData.remoteUser == NULLCHAR) {
1857 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1858 appData.gateway, appData.telnetProgram,
1859 appData.icsHost, appData.icsPort);
1861 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1862 appData.remoteShell, appData.gateway,
1863 appData.remoteUser, appData.telnetProgram,
1864 appData.icsHost, appData.icsPort);
1866 return StartChildProcess(buf, "", &icsPR);
1869 } else if (appData.useTelnet) {
1870 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1873 /* TCP socket interface differs somewhat between
1874 Unix and NT; handle details in the front end.
1876 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1881 EscapeExpand (char *p, char *q)
1882 { // [HGM] initstring: routine to shape up string arguments
1883 while(*p++ = *q++) if(p[-1] == '\\')
1885 case 'n': p[-1] = '\n'; break;
1886 case 'r': p[-1] = '\r'; break;
1887 case 't': p[-1] = '\t'; break;
1888 case '\\': p[-1] = '\\'; break;
1889 case 0: *p = 0; return;
1890 default: p[-1] = q[-1]; break;
1895 show_bytes (FILE *fp, char *buf, int count)
1898 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1899 fprintf(fp, "\\%03o", *buf & 0xff);
1908 /* Returns an errno value */
1910 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1912 char buf[8192], *p, *q, *buflim;
1913 int left, newcount, outcount;
1915 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1916 *appData.gateway != NULLCHAR) {
1917 if (appData.debugMode) {
1918 fprintf(debugFP, ">ICS: ");
1919 show_bytes(debugFP, message, count);
1920 fprintf(debugFP, "\n");
1922 return OutputToProcess(pr, message, count, outError);
1925 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1932 if (appData.debugMode) {
1933 fprintf(debugFP, ">ICS: ");
1934 show_bytes(debugFP, buf, newcount);
1935 fprintf(debugFP, "\n");
1937 outcount = OutputToProcess(pr, buf, newcount, outError);
1938 if (outcount < newcount) return -1; /* to be sure */
1945 } else if (((unsigned char) *p) == TN_IAC) {
1946 *q++ = (char) TN_IAC;
1953 if (appData.debugMode) {
1954 fprintf(debugFP, ">ICS: ");
1955 show_bytes(debugFP, buf, newcount);
1956 fprintf(debugFP, "\n");
1958 outcount = OutputToProcess(pr, buf, newcount, outError);
1959 if (outcount < newcount) return -1; /* to be sure */
1964 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1966 int outError, outCount;
1967 static int gotEof = 0;
1970 /* Pass data read from player on to ICS */
1973 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1974 if (outCount < count) {
1975 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1977 if(have_sent_ICS_logon == 2) {
1978 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1979 fprintf(ini, "%s", message);
1980 have_sent_ICS_logon = 3;
1982 have_sent_ICS_logon = 1;
1983 } else if(have_sent_ICS_logon == 3) {
1984 fprintf(ini, "%s", message);
1986 have_sent_ICS_logon = 1;
1988 } else if (count < 0) {
1989 RemoveInputSource(isr);
1990 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1991 } else if (gotEof++ > 0) {
1992 RemoveInputSource(isr);
1993 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1999 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
2000 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2001 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2002 SendToICS("date\n");
2003 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2006 /* added routine for printf style output to ics */
2008 ics_printf (char *format, ...)
2010 char buffer[MSG_SIZ];
2013 va_start(args, format);
2014 vsnprintf(buffer, sizeof(buffer), format, args);
2015 buffer[sizeof(buffer)-1] = '\0';
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2034 /* This is used for sending logon scripts to the ICS. Sending
2035 without a delay causes problems when using timestamp on ICC
2036 (at least on my machine). */
2038 SendToICSDelayed (char *s, long msdelay)
2040 int count, outCount, outError;
2042 if (icsPR == NoProc) return;
2045 if (appData.debugMode) {
2046 fprintf(debugFP, ">ICS: ");
2047 show_bytes(debugFP, s, count);
2048 fprintf(debugFP, "\n");
2050 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2052 if (outCount < count) {
2053 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2058 /* Remove all highlighting escape sequences in s
2059 Also deletes any suffix starting with '('
2062 StripHighlightAndTitle (char *s)
2064 static char retbuf[MSG_SIZ];
2067 while (*s != NULLCHAR) {
2068 while (*s == '\033') {
2069 while (*s != NULLCHAR && !isalpha(*s)) s++;
2070 if (*s != NULLCHAR) s++;
2072 while (*s != NULLCHAR && *s != '\033') {
2073 if (*s == '(' || *s == '[') {
2084 /* Remove all highlighting escape sequences in s */
2086 StripHighlight (char *s)
2088 static char retbuf[MSG_SIZ];
2091 while (*s != NULLCHAR) {
2092 while (*s == '\033') {
2093 while (*s != NULLCHAR && !isalpha(*s)) s++;
2094 if (*s != NULLCHAR) s++;
2096 while (*s != NULLCHAR && *s != '\033') {
2104 char engineVariant[MSG_SIZ];
2105 char *variantNames[] = VARIANT_NAMES;
2107 VariantName (VariantClass v)
2109 if(v == VariantUnknown || *engineVariant) return engineVariant;
2110 return variantNames[v];
2114 /* Identify a variant from the strings the chess servers use or the
2115 PGN Variant tag names we use. */
2117 StringToVariant (char *e)
2121 VariantClass v = VariantNormal;
2122 int i, found = FALSE;
2123 char buf[MSG_SIZ], c;
2128 /* [HGM] skip over optional board-size prefixes */
2129 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2130 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2131 while( *e++ != '_');
2134 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2138 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2139 if (p = StrCaseStr(e, variantNames[i])) {
2140 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2141 v = (VariantClass) i;
2148 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2149 || StrCaseStr(e, "wild/fr")
2150 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2151 v = VariantFischeRandom;
2152 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2153 (i = 1, p = StrCaseStr(e, "w"))) {
2155 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2162 case 0: /* FICS only, actually */
2164 /* Castling legal even if K starts on d-file */
2165 v = VariantWildCastle;
2170 /* Castling illegal even if K & R happen to start in
2171 normal positions. */
2172 v = VariantNoCastle;
2185 /* Castling legal iff K & R start in normal positions */
2191 /* Special wilds for position setup; unclear what to do here */
2192 v = VariantLoadable;
2195 /* Bizarre ICC game */
2196 v = VariantTwoKings;
2199 v = VariantKriegspiel;
2205 v = VariantFischeRandom;
2208 v = VariantCrazyhouse;
2211 v = VariantBughouse;
2217 /* Not quite the same as FICS suicide! */
2218 v = VariantGiveaway;
2224 v = VariantShatranj;
2227 /* Temporary names for future ICC types. The name *will* change in
2228 the next xboard/WinBoard release after ICC defines it. */
2266 v = VariantCapablanca;
2269 v = VariantKnightmate;
2275 v = VariantCylinder;
2281 v = VariantCapaRandom;
2284 v = VariantBerolina;
2296 /* Found "wild" or "w" in the string but no number;
2297 must assume it's normal chess. */
2301 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2302 if( (len >= MSG_SIZ) && appData.debugMode )
2303 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2305 DisplayError(buf, 0);
2311 if (appData.debugMode) {
2312 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2313 e, wnum, VariantName(v));
2318 static int leftover_start = 0, leftover_len = 0;
2319 char star_match[STAR_MATCH_N][MSG_SIZ];
2321 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2322 advance *index beyond it, and set leftover_start to the new value of
2323 *index; else return FALSE. If pattern contains the character '*', it
2324 matches any sequence of characters not containing '\r', '\n', or the
2325 character following the '*' (if any), and the matched sequence(s) are
2326 copied into star_match.
2329 looking_at ( char *buf, int *index, char *pattern)
2331 char *bufp = &buf[*index], *patternp = pattern;
2333 char *matchp = star_match[0];
2336 if (*patternp == NULLCHAR) {
2337 *index = leftover_start = bufp - buf;
2341 if (*bufp == NULLCHAR) return FALSE;
2342 if (*patternp == '*') {
2343 if (*bufp == *(patternp + 1)) {
2345 matchp = star_match[++star_count];
2349 } else if (*bufp == '\n' || *bufp == '\r') {
2351 if (*patternp == NULLCHAR)
2356 *matchp++ = *bufp++;
2360 if (*patternp != *bufp) return FALSE;
2367 SendToPlayer (char *data, int length)
2369 int error, outCount;
2370 outCount = OutputToProcess(NoProc, data, length, &error);
2371 if (outCount < length) {
2372 DisplayFatalError(_("Error writing to display"), error, 1);
2377 PackHolding (char packed[], char *holding)
2387 switch (runlength) {
2398 sprintf(q, "%d", runlength);
2410 /* Telnet protocol requests from the front end */
2412 TelnetRequest (unsigned char ddww, unsigned char option)
2414 unsigned char msg[3];
2415 int outCount, outError;
2417 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2419 if (appData.debugMode) {
2420 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2436 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2445 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2448 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2453 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2455 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2462 if (!appData.icsActive) return;
2463 TelnetRequest(TN_DO, TN_ECHO);
2469 if (!appData.icsActive) return;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2474 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2476 /* put the holdings sent to us by the server on the board holdings area */
2477 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2481 if(gameInfo.holdingsWidth < 2) return;
2482 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2483 return; // prevent overwriting by pre-board holdings
2485 if( (int)lowestPiece >= BlackPawn ) {
2488 holdingsStartRow = BOARD_HEIGHT-1;
2491 holdingsColumn = BOARD_WIDTH-1;
2492 countsColumn = BOARD_WIDTH-2;
2493 holdingsStartRow = 0;
2497 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2498 board[i][holdingsColumn] = EmptySquare;
2499 board[i][countsColumn] = (ChessSquare) 0;
2501 while( (p=*holdings++) != NULLCHAR ) {
2502 piece = CharToPiece( ToUpper(p) );
2503 if(piece == EmptySquare) continue;
2504 /*j = (int) piece - (int) WhitePawn;*/
2505 j = PieceToNumber(piece);
2506 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2507 if(j < 0) continue; /* should not happen */
2508 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2509 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2510 board[holdingsStartRow+j*direction][countsColumn]++;
2516 VariantSwitch (Board board, VariantClass newVariant)
2518 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2519 static Board oldBoard;
2521 startedFromPositionFile = FALSE;
2522 if(gameInfo.variant == newVariant) return;
2524 /* [HGM] This routine is called each time an assignment is made to
2525 * gameInfo.variant during a game, to make sure the board sizes
2526 * are set to match the new variant. If that means adding or deleting
2527 * holdings, we shift the playing board accordingly
2528 * This kludge is needed because in ICS observe mode, we get boards
2529 * of an ongoing game without knowing the variant, and learn about the
2530 * latter only later. This can be because of the move list we requested,
2531 * in which case the game history is refilled from the beginning anyway,
2532 * but also when receiving holdings of a crazyhouse game. In the latter
2533 * case we want to add those holdings to the already received position.
2537 if (appData.debugMode) {
2538 fprintf(debugFP, "Switch board from %s to %s\n",
2539 VariantName(gameInfo.variant), VariantName(newVariant));
2540 setbuf(debugFP, NULL);
2542 shuffleOpenings = 0; /* [HGM] shuffle */
2543 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2547 newWidth = 9; newHeight = 9;
2548 gameInfo.holdingsSize = 7;
2549 case VariantBughouse:
2550 case VariantCrazyhouse:
2551 newHoldingsWidth = 2; break;
2555 newHoldingsWidth = 2;
2556 gameInfo.holdingsSize = 8;
2559 case VariantCapablanca:
2560 case VariantCapaRandom:
2563 newHoldingsWidth = gameInfo.holdingsSize = 0;
2566 if(newWidth != gameInfo.boardWidth ||
2567 newHeight != gameInfo.boardHeight ||
2568 newHoldingsWidth != gameInfo.holdingsWidth ) {
2570 /* shift position to new playing area, if needed */
2571 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 for(i=0; i<newHeight; i++) {
2577 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2578 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2580 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2581 for(i=0; i<BOARD_HEIGHT; i++)
2582 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2583 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2586 board[HOLDINGS_SET] = 0;
2587 gameInfo.boardWidth = newWidth;
2588 gameInfo.boardHeight = newHeight;
2589 gameInfo.holdingsWidth = newHoldingsWidth;
2590 gameInfo.variant = newVariant;
2591 InitDrawingSizes(-2, 0);
2592 } else gameInfo.variant = newVariant;
2593 CopyBoard(oldBoard, board); // remember correctly formatted board
2594 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2595 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2598 static int loggedOn = FALSE;
2600 /*-- Game start info cache: --*/
2602 char gs_kind[MSG_SIZ];
2603 static char player1Name[128] = "";
2604 static char player2Name[128] = "";
2605 static char cont_seq[] = "\n\\ ";
2606 static int player1Rating = -1;
2607 static int player2Rating = -1;
2608 /*----------------------------*/
2610 ColorClass curColor = ColorNormal;
2611 int suppressKibitz = 0;
2614 Boolean soughtPending = FALSE;
2615 Boolean seekGraphUp;
2616 #define MAX_SEEK_ADS 200
2618 char *seekAdList[MAX_SEEK_ADS];
2619 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2620 float tcList[MAX_SEEK_ADS];
2621 char colorList[MAX_SEEK_ADS];
2622 int nrOfSeekAds = 0;
2623 int minRating = 1010, maxRating = 2800;
2624 int hMargin = 10, vMargin = 20, h, w;
2625 extern int squareSize, lineGap;
2630 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2631 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2632 if(r < minRating+100 && r >=0 ) r = minRating+100;
2633 if(r > maxRating) r = maxRating;
2634 if(tc < 1.f) tc = 1.f;
2635 if(tc > 95.f) tc = 95.f;
2636 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2637 y = ((double)r - minRating)/(maxRating - minRating)
2638 * (h-vMargin-squareSize/8-1) + vMargin;
2639 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2640 if(strstr(seekAdList[i], " u ")) color = 1;
2641 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2642 !strstr(seekAdList[i], "bullet") &&
2643 !strstr(seekAdList[i], "blitz") &&
2644 !strstr(seekAdList[i], "standard") ) color = 2;
2645 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2646 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2650 PlotSingleSeekAd (int i)
2656 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2658 char buf[MSG_SIZ], *ext = "";
2659 VariantClass v = StringToVariant(type);
2660 if(strstr(type, "wild")) {
2661 ext = type + 4; // append wild number
2662 if(v == VariantFischeRandom) type = "chess960"; else
2663 if(v == VariantLoadable) type = "setup"; else
2664 type = VariantName(v);
2666 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2667 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2668 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2669 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2670 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2671 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2672 seekNrList[nrOfSeekAds] = nr;
2673 zList[nrOfSeekAds] = 0;
2674 seekAdList[nrOfSeekAds++] = StrSave(buf);
2675 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2680 EraseSeekDot (int i)
2682 int x = xList[i], y = yList[i], d=squareSize/4, k;
2683 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2684 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2685 // now replot every dot that overlapped
2686 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2687 int xx = xList[k], yy = yList[k];
2688 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2689 DrawSeekDot(xx, yy, colorList[k]);
2694 RemoveSeekAd (int nr)
2697 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2699 if(seekAdList[i]) free(seekAdList[i]);
2700 seekAdList[i] = seekAdList[--nrOfSeekAds];
2701 seekNrList[i] = seekNrList[nrOfSeekAds];
2702 ratingList[i] = ratingList[nrOfSeekAds];
2703 colorList[i] = colorList[nrOfSeekAds];
2704 tcList[i] = tcList[nrOfSeekAds];
2705 xList[i] = xList[nrOfSeekAds];
2706 yList[i] = yList[nrOfSeekAds];
2707 zList[i] = zList[nrOfSeekAds];
2708 seekAdList[nrOfSeekAds] = NULL;
2714 MatchSoughtLine (char *line)
2716 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2717 int nr, base, inc, u=0; char dummy;
2719 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2720 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2722 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2723 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2724 // match: compact and save the line
2725 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2735 if(!seekGraphUp) return FALSE;
2736 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2737 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2739 DrawSeekBackground(0, 0, w, h);
2740 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2741 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2742 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2743 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2745 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2752 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2753 for(i=1; i<100; i+=(i<10?1:5)) {
2754 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2755 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2756 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2758 snprintf(buf, MSG_SIZ, "%d", i);
2759 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2762 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2767 SeekGraphClick (ClickType click, int x, int y, int moving)
2769 static int lastDown = 0, displayed = 0, lastSecond;
2770 if(y < 0) return FALSE;
2771 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2772 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2773 if(!seekGraphUp) return FALSE;
2774 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2775 DrawPosition(TRUE, NULL);
2778 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2779 if(click == Release || moving) return FALSE;
2781 soughtPending = TRUE;
2782 SendToICS(ics_prefix);
2783 SendToICS("sought\n"); // should this be "sought all"?
2784 } else { // issue challenge based on clicked ad
2785 int dist = 10000; int i, closest = 0, second = 0;
2786 for(i=0; i<nrOfSeekAds; i++) {
2787 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2788 if(d < dist) { dist = d; closest = i; }
2789 second += (d - zList[i] < 120); // count in-range ads
2790 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2794 second = (second > 1);
2795 if(displayed != closest || second != lastSecond) {
2796 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2797 lastSecond = second; displayed = closest;
2799 if(click == Press) {
2800 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2803 } // on press 'hit', only show info
2804 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2805 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2806 SendToICS(ics_prefix);
2808 return TRUE; // let incoming board of started game pop down the graph
2809 } else if(click == Release) { // release 'miss' is ignored
2810 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2811 if(moving == 2) { // right up-click
2812 nrOfSeekAds = 0; // refresh graph
2813 soughtPending = TRUE;
2814 SendToICS(ics_prefix);
2815 SendToICS("sought\n"); // should this be "sought all"?
2818 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2819 // press miss or release hit 'pop down' seek graph
2820 seekGraphUp = FALSE;
2821 DrawPosition(TRUE, NULL);
2827 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2829 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2830 #define STARTED_NONE 0
2831 #define STARTED_MOVES 1
2832 #define STARTED_BOARD 2
2833 #define STARTED_OBSERVE 3
2834 #define STARTED_HOLDINGS 4
2835 #define STARTED_CHATTER 5
2836 #define STARTED_COMMENT 6
2837 #define STARTED_MOVES_NOHIDE 7
2839 static int started = STARTED_NONE;
2840 static char parse[20000];
2841 static int parse_pos = 0;
2842 static char buf[BUF_SIZE + 1];
2843 static int firstTime = TRUE, intfSet = FALSE;
2844 static ColorClass prevColor = ColorNormal;
2845 static int savingComment = FALSE;
2846 static int cmatch = 0; // continuation sequence match
2853 int backup; /* [DM] For zippy color lines */
2855 char talker[MSG_SIZ]; // [HGM] chat
2856 int channel, collective=0;
2858 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2860 if (appData.debugMode) {
2862 fprintf(debugFP, "<ICS: ");
2863 show_bytes(debugFP, data, count);
2864 fprintf(debugFP, "\n");
2868 if (appData.debugMode) { int f = forwardMostMove;
2869 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2870 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2871 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2874 /* If last read ended with a partial line that we couldn't parse,
2875 prepend it to the new read and try again. */
2876 if (leftover_len > 0) {
2877 for (i=0; i<leftover_len; i++)
2878 buf[i] = buf[leftover_start + i];
2881 /* copy new characters into the buffer */
2882 bp = buf + leftover_len;
2883 buf_len=leftover_len;
2884 for (i=0; i<count; i++)
2887 if (data[i] == '\r')
2890 // join lines split by ICS?
2891 if (!appData.noJoin)
2894 Joining just consists of finding matches against the
2895 continuation sequence, and discarding that sequence
2896 if found instead of copying it. So, until a match
2897 fails, there's nothing to do since it might be the
2898 complete sequence, and thus, something we don't want
2901 if (data[i] == cont_seq[cmatch])
2904 if (cmatch == strlen(cont_seq))
2906 cmatch = 0; // complete match. just reset the counter
2909 it's possible for the ICS to not include the space
2910 at the end of the last word, making our [correct]
2911 join operation fuse two separate words. the server
2912 does this when the space occurs at the width setting.
2914 if (!buf_len || buf[buf_len-1] != ' ')
2925 match failed, so we have to copy what matched before
2926 falling through and copying this character. In reality,
2927 this will only ever be just the newline character, but
2928 it doesn't hurt to be precise.
2930 strncpy(bp, cont_seq, cmatch);
2942 buf[buf_len] = NULLCHAR;
2943 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2948 while (i < buf_len) {
2949 /* Deal with part of the TELNET option negotiation
2950 protocol. We refuse to do anything beyond the
2951 defaults, except that we allow the WILL ECHO option,
2952 which ICS uses to turn off password echoing when we are
2953 directly connected to it. We reject this option
2954 if localLineEditing mode is on (always on in xboard)
2955 and we are talking to port 23, which might be a real
2956 telnet server that will try to keep WILL ECHO on permanently.
2958 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2959 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2960 unsigned char option;
2962 switch ((unsigned char) buf[++i]) {
2964 if (appData.debugMode)
2965 fprintf(debugFP, "\n<WILL ");
2966 switch (option = (unsigned char) buf[++i]) {
2968 if (appData.debugMode)
2969 fprintf(debugFP, "ECHO ");
2970 /* Reply only if this is a change, according
2971 to the protocol rules. */
2972 if (remoteEchoOption) break;
2973 if (appData.localLineEditing &&
2974 atoi(appData.icsPort) == TN_PORT) {
2975 TelnetRequest(TN_DONT, TN_ECHO);
2978 TelnetRequest(TN_DO, TN_ECHO);
2979 remoteEchoOption = TRUE;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "%d ", option);
2985 /* Whatever this is, we don't want it. */
2986 TelnetRequest(TN_DONT, option);
2991 if (appData.debugMode)
2992 fprintf(debugFP, "\n<WONT ");
2993 switch (option = (unsigned char) buf[++i]) {
2995 if (appData.debugMode)
2996 fprintf(debugFP, "ECHO ");
2997 /* Reply only if this is a change, according
2998 to the protocol rules. */
2999 if (!remoteEchoOption) break;
3001 TelnetRequest(TN_DONT, TN_ECHO);
3002 remoteEchoOption = FALSE;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "%d ", (unsigned char) option);
3007 /* Whatever this is, it must already be turned
3008 off, because we never agree to turn on
3009 anything non-default, so according to the
3010 protocol rules, we don't reply. */
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DO ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 /* Whatever this is, we refuse to do it. */
3020 if (appData.debugMode)
3021 fprintf(debugFP, "%d ", option);
3022 TelnetRequest(TN_WONT, option);
3027 if (appData.debugMode)
3028 fprintf(debugFP, "\n<DONT ");
3029 switch (option = (unsigned char) buf[++i]) {
3031 if (appData.debugMode)
3032 fprintf(debugFP, "%d ", option);
3033 /* Whatever this is, we are already not doing
3034 it, because we never agree to do anything
3035 non-default, so according to the protocol
3036 rules, we don't reply. */
3041 if (appData.debugMode)
3042 fprintf(debugFP, "\n<IAC ");
3043 /* Doubled IAC; pass it through */
3047 if (appData.debugMode)
3048 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3049 /* Drop all other telnet commands on the floor */
3052 if (oldi > next_out)
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3059 /* OK, this at least will *usually* work */
3060 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3064 if (loggedOn && !intfSet) {
3065 if (ics_type == ICS_ICC) {
3066 snprintf(str, MSG_SIZ,
3067 "/set-quietly interface %s\n/set-quietly style 12\n",
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "/set-2 51 1\n/set seek 1\n");
3071 } else if (ics_type == ICS_CHESSNET) {
3072 snprintf(str, MSG_SIZ, "/style 12\n");
3074 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3075 strcat(str, programVersion);
3076 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3077 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3078 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3080 strcat(str, "$iset nohighlight 1\n");
3082 strcat(str, "$iset lock 1\n$style 12\n");
3085 NotifyFrontendLogin();
3089 if (started == STARTED_COMMENT) {
3090 /* Accumulate characters in comment */
3091 parse[parse_pos++] = buf[i];
3092 if (buf[i] == '\n') {
3093 parse[parse_pos] = NULLCHAR;
3094 if(chattingPartner>=0) {
3096 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3097 OutputChatMessage(chattingPartner, mess);
3098 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3100 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3101 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3102 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3103 OutputChatMessage(p, mess);
3107 chattingPartner = -1;
3108 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3111 if(!suppressKibitz) // [HGM] kibitz
3112 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3113 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3114 int nrDigit = 0, nrAlph = 0, j;
3115 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3116 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3117 parse[parse_pos] = NULLCHAR;
3118 // try to be smart: if it does not look like search info, it should go to
3119 // ICS interaction window after all, not to engine-output window.
3120 for(j=0; j<parse_pos; j++) { // count letters and digits
3121 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3122 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3123 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3125 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3126 int depth=0; float score;
3127 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3128 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3129 pvInfoList[forwardMostMove-1].depth = depth;
3130 pvInfoList[forwardMostMove-1].score = 100*score;
3132 OutputKibitz(suppressKibitz, parse);
3135 if(gameMode == IcsObserving) // restore original ICS messages
3136 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3137 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3139 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3140 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3141 SendToPlayer(tmp, strlen(tmp));
3143 next_out = i+1; // [HGM] suppress printing in ICS window
3145 started = STARTED_NONE;
3147 /* Don't match patterns against characters in comment */
3152 if (started == STARTED_CHATTER) {
3153 if (buf[i] != '\n') {
3154 /* Don't match patterns against characters in chatter */
3158 started = STARTED_NONE;
3159 if(suppressKibitz) next_out = i+1;
3162 /* Kludge to deal with rcmd protocol */
3163 if (firstTime && looking_at(buf, &i, "\001*")) {
3164 DisplayFatalError(&buf[1], 0, 1);
3170 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3173 if (appData.debugMode)
3174 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3178 ics_type = ICS_FICS;
3180 if (appData.debugMode)
3181 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3185 ics_type = ICS_CHESSNET;
3187 if (appData.debugMode)
3188 fprintf(debugFP, "ics_type %d\n", ics_type);
3193 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3194 looking_at(buf, &i, "Logging you in as \"*\"") ||
3195 looking_at(buf, &i, "will be \"*\""))) {
3196 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3200 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3202 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3203 DisplayIcsInteractionTitle(buf);
3204 have_set_title = TRUE;
3207 /* skip finger notes */
3208 if (started == STARTED_NONE &&
3209 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3210 (buf[i] == '1' && buf[i+1] == '0')) &&
3211 buf[i+2] == ':' && buf[i+3] == ' ') {
3212 started = STARTED_CHATTER;
3218 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3219 if(appData.seekGraph) {
3220 if(soughtPending && MatchSoughtLine(buf+i)) {
3221 i = strstr(buf+i, "rated") - buf;
3222 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3223 next_out = leftover_start = i;
3224 started = STARTED_CHATTER;
3225 suppressKibitz = TRUE;
3228 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3229 && looking_at(buf, &i, "* ads displayed")) {
3230 soughtPending = FALSE;
3235 if(appData.autoRefresh) {
3236 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3237 int s = (ics_type == ICS_ICC); // ICC format differs
3239 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3240 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3243 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 next_out = i; // suppress
3247 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3248 char *p = star_match[0];
3250 if(seekGraphUp) RemoveSeekAd(atoi(p));
3251 while(*p && *p++ != ' '); // next
3253 looking_at(buf, &i, "*% "); // eat prompt
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3261 /* skip formula vars */
3262 if (started == STARTED_NONE &&
3263 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3264 started = STARTED_CHATTER;
3269 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3270 if (appData.autoKibitz && started == STARTED_NONE &&
3271 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3272 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3273 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3274 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3275 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3276 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3277 suppressKibitz = TRUE;
3278 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3280 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3281 && (gameMode == IcsPlayingWhite)) ||
3282 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3283 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3284 started = STARTED_CHATTER; // own kibitz we simply discard
3286 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3287 parse_pos = 0; parse[0] = NULLCHAR;
3288 savingComment = TRUE;
3289 suppressKibitz = gameMode != IcsObserving ? 2 :
3290 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3294 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3295 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3296 && atoi(star_match[0])) {
3297 // suppress the acknowledgements of our own autoKibitz
3299 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3300 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3301 SendToPlayer(star_match[0], strlen(star_match[0]));
3302 if(looking_at(buf, &i, "*% ")) // eat prompt
3303 suppressKibitz = FALSE;
3307 } // [HGM] kibitz: end of patch
3309 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3311 // [HGM] chat: intercept tells by users for which we have an open chat window
3313 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3314 looking_at(buf, &i, "* whispers:") ||
3315 looking_at(buf, &i, "* kibitzes:") ||
3316 looking_at(buf, &i, "* shouts:") ||
3317 looking_at(buf, &i, "* c-shouts:") ||
3318 looking_at(buf, &i, "--> * ") ||
3319 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3322 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3324 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3325 chattingPartner = -1; collective = 0;
3327 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("kibitzes", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("whispers", chatPartner[p])) {
3348 talker[0] = '['; strcat(talker, "] ");
3349 chattingPartner = p; break;
3352 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3353 if(buf[i-8] == '-' && buf[i-3] == 't')
3354 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3356 if(!strcmp("c-shouts", chatPartner[p])) {
3357 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3358 chattingPartner = p; break;
3361 if(chattingPartner < 0)
3362 for(p=0; p<MAX_CHAT; p++) {
3364 if(!strcmp("shouts", chatPartner[p])) {
3365 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3366 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3367 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3368 chattingPartner = p; break;
3372 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3373 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3375 Colorize(ColorTell, FALSE);
3376 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3378 chattingPartner = p; break;
3380 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3381 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3382 started = STARTED_COMMENT;
3383 parse_pos = 0; parse[0] = NULLCHAR;
3384 savingComment = 3 + chattingPartner; // counts as TRUE
3385 if(collective == 3) i = oldi; else {
3386 suppressKibitz = TRUE;
3387 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3388 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3392 } // [HGM] chat: end of patch
3395 if (appData.zippyTalk || appData.zippyPlay) {
3396 /* [DM] Backup address for color zippy lines */
3398 if (loggedOn == TRUE)
3399 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3400 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3403 } // [DM] 'else { ' deleted
3405 /* Regular tells and says */
3406 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3407 looking_at(buf, &i, "* (your partner) tells you: ") ||
3408 looking_at(buf, &i, "* says: ") ||
3409 /* Don't color "message" or "messages" output */
3410 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3411 looking_at(buf, &i, "*. * at *:*: ") ||
3412 looking_at(buf, &i, "--* (*:*): ") ||
3413 /* Message notifications (same color as tells) */
3414 looking_at(buf, &i, "* has left a message ") ||
3415 looking_at(buf, &i, "* just sent you a message:\n") ||
3416 /* Whispers and kibitzes */
3417 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3418 looking_at(buf, &i, "* kibitzes: ") ||
3420 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3422 if (tkind == 1 && strchr(star_match[0], ':')) {
3423 /* Avoid "tells you:" spoofs in channels */
3426 if (star_match[0][0] == NULLCHAR ||
3427 strchr(star_match[0], ' ') ||
3428 (tkind == 3 && strchr(star_match[1], ' '))) {
3429 /* Reject bogus matches */
3432 if (appData.colorize) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3439 Colorize(ColorTell, FALSE);
3440 curColor = ColorTell;
3443 Colorize(ColorKibitz, FALSE);
3444 curColor = ColorKibitz;
3447 p = strrchr(star_match[1], '(');
3454 Colorize(ColorChannel1, FALSE);
3455 curColor = ColorChannel1;
3457 Colorize(ColorChannel, FALSE);
3458 curColor = ColorChannel;
3462 curColor = ColorNormal;
3466 if (started == STARTED_NONE && appData.autoComment &&
3467 (gameMode == IcsObserving ||
3468 gameMode == IcsPlayingWhite ||
3469 gameMode == IcsPlayingBlack)) {
3470 parse_pos = i - oldi;
3471 memcpy(parse, &buf[oldi], parse_pos);
3472 parse[parse_pos] = NULLCHAR;
3473 started = STARTED_COMMENT;
3474 savingComment = TRUE;
3475 } else if(collective != 3) {
3476 started = STARTED_CHATTER;
3477 savingComment = FALSE;
3484 if (looking_at(buf, &i, "* s-shouts: ") ||
3485 looking_at(buf, &i, "* c-shouts: ")) {
3486 if (appData.colorize) {
3487 if (oldi > next_out) {
3488 SendToPlayer(&buf[next_out], oldi - next_out);
3491 Colorize(ColorSShout, FALSE);
3492 curColor = ColorSShout;
3495 started = STARTED_CHATTER;
3499 if (looking_at(buf, &i, "--->")) {
3504 if (looking_at(buf, &i, "* shouts: ") ||
3505 looking_at(buf, &i, "--> ")) {
3506 if (appData.colorize) {
3507 if (oldi > next_out) {
3508 SendToPlayer(&buf[next_out], oldi - next_out);
3511 Colorize(ColorShout, FALSE);
3512 curColor = ColorShout;
3515 started = STARTED_CHATTER;
3519 if (looking_at( buf, &i, "Challenge:")) {
3520 if (appData.colorize) {
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 Colorize(ColorChallenge, FALSE);
3526 curColor = ColorChallenge;
3532 if (looking_at(buf, &i, "* offers you") ||
3533 looking_at(buf, &i, "* offers to be") ||
3534 looking_at(buf, &i, "* would like to") ||
3535 looking_at(buf, &i, "* requests to") ||
3536 looking_at(buf, &i, "Your opponent offers") ||
3537 looking_at(buf, &i, "Your opponent requests")) {
3539 if (appData.colorize) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorRequest, FALSE);
3545 curColor = ColorRequest;
3550 if (looking_at(buf, &i, "* (*) seeking")) {
3551 if (appData.colorize) {
3552 if (oldi > next_out) {
3553 SendToPlayer(&buf[next_out], oldi - next_out);
3556 Colorize(ColorSeek, FALSE);
3557 curColor = ColorSeek;
3562 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3564 if (looking_at(buf, &i, "\\ ")) {
3565 if (prevColor != ColorNormal) {
3566 if (oldi > next_out) {
3567 SendToPlayer(&buf[next_out], oldi - next_out);
3570 Colorize(prevColor, TRUE);
3571 curColor = prevColor;
3573 if (savingComment) {
3574 parse_pos = i - oldi;
3575 memcpy(parse, &buf[oldi], parse_pos);
3576 parse[parse_pos] = NULLCHAR;
3577 started = STARTED_COMMENT;
3578 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3579 chattingPartner = savingComment - 3; // kludge to remember the box
3581 started = STARTED_CHATTER;
3586 if (looking_at(buf, &i, "Black Strength :") ||
3587 looking_at(buf, &i, "<<< style 10 board >>>") ||
3588 looking_at(buf, &i, "<10>") ||
3589 looking_at(buf, &i, "#@#")) {
3590 /* Wrong board style */
3592 SendToICS(ics_prefix);
3593 SendToICS("set style 12\n");
3594 SendToICS(ics_prefix);
3595 SendToICS("refresh\n");
3599 if (looking_at(buf, &i, "login:")) {
3600 if (!have_sent_ICS_logon) {
3602 have_sent_ICS_logon = 1;
3603 else // no init script was found
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3605 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3606 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3611 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3612 (looking_at(buf, &i, "\n<12> ") ||
3613 looking_at(buf, &i, "<12> "))) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_BOARD;
3624 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3625 looking_at(buf, &i, "<b1> ")) {
3626 if (oldi > next_out) {
3627 SendToPlayer(&buf[next_out], oldi - next_out);
3630 started = STARTED_HOLDINGS;
3635 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3637 /* Header for a move list -- first line */
3639 switch (ics_getting_history) {
3643 case BeginningOfGame:
3644 /* User typed "moves" or "oldmoves" while we
3645 were idle. Pretend we asked for these
3646 moves and soak them up so user can step
3647 through them and/or save them.
3650 gameMode = IcsObserving;
3653 ics_getting_history = H_GOT_UNREQ_HEADER;
3655 case EditGame: /*?*/
3656 case EditPosition: /*?*/
3657 /* Should above feature work in these modes too? */
3658 /* For now it doesn't */
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3662 ics_getting_history = H_GOT_UNWANTED_HEADER;
3667 /* Is this the right one? */
3668 if (gameInfo.white && gameInfo.black &&
3669 strcmp(gameInfo.white, star_match[0]) == 0 &&
3670 strcmp(gameInfo.black, star_match[2]) == 0) {
3672 ics_getting_history = H_GOT_REQ_HEADER;
3675 case H_GOT_REQ_HEADER:
3676 case H_GOT_UNREQ_HEADER:
3677 case H_GOT_UNWANTED_HEADER:
3678 case H_GETTING_MOVES:
3679 /* Should not happen */
3680 DisplayError(_("Error gathering move list: two headers"), 0);
3681 ics_getting_history = H_FALSE;
3685 /* Save player ratings into gameInfo if needed */
3686 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3687 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3688 (gameInfo.whiteRating == -1 ||
3689 gameInfo.blackRating == -1)) {
3691 gameInfo.whiteRating = string_to_rating(star_match[1]);
3692 gameInfo.blackRating = string_to_rating(star_match[3]);
3693 if (appData.debugMode)
3694 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3695 gameInfo.whiteRating, gameInfo.blackRating);
3700 if (looking_at(buf, &i,
3701 "* * match, initial time: * minute*, increment: * second")) {
3702 /* Header for a move list -- second line */
3703 /* Initial board will follow if this is a wild game */
3704 if (gameInfo.event != NULL) free(gameInfo.event);
3705 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3706 gameInfo.event = StrSave(str);
3707 /* [HGM] we switched variant. Translate boards if needed. */
3708 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3712 if (looking_at(buf, &i, "Move ")) {
3713 /* Beginning of a move list */
3714 switch (ics_getting_history) {
3716 /* Normally should not happen */
3717 /* Maybe user hit reset while we were parsing */
3720 /* Happens if we are ignoring a move list that is not
3721 * the one we just requested. Common if the user
3722 * tries to observe two games without turning off
3725 case H_GETTING_MOVES:
3726 /* Should not happen */
3727 DisplayError(_("Error gathering move list: nested"), 0);
3728 ics_getting_history = H_FALSE;
3730 case H_GOT_REQ_HEADER:
3731 ics_getting_history = H_GETTING_MOVES;
3732 started = STARTED_MOVES;
3734 if (oldi > next_out) {
3735 SendToPlayer(&buf[next_out], oldi - next_out);
3738 case H_GOT_UNREQ_HEADER:
3739 ics_getting_history = H_GETTING_MOVES;
3740 started = STARTED_MOVES_NOHIDE;
3743 case H_GOT_UNWANTED_HEADER:
3744 ics_getting_history = H_FALSE;
3750 if (looking_at(buf, &i, "% ") ||
3751 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3752 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3753 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3754 soughtPending = FALSE;
3758 if(suppressKibitz) next_out = i;
3759 savingComment = FALSE;
3763 case STARTED_MOVES_NOHIDE:
3764 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3765 parse[parse_pos + i - oldi] = NULLCHAR;
3766 ParseGameHistory(parse);
3768 if (appData.zippyPlay && first.initDone) {
3769 FeedMovesToProgram(&first, forwardMostMove);
3770 if (gameMode == IcsPlayingWhite) {
3771 if (WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("black\n", &first);
3776 SendTimeRemaining(&first, TRUE);
3778 if (first.useColors) {
3779 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, TRUE);
3788 SendToProgram("playother\n", &first);
3794 } else if (gameMode == IcsPlayingBlack) {
3795 if (!WhiteOnMove(forwardMostMove)) {
3796 if (first.sendTime) {
3797 if (first.useColors) {
3798 SendToProgram("white\n", &first);
3800 SendTimeRemaining(&first, FALSE);
3802 if (first.useColors) {
3803 SendToProgram("black\n", &first);
3805 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3806 first.maybeThinking = TRUE;
3808 if (first.usePlayother) {
3809 if (first.sendTime) {
3810 SendTimeRemaining(&first, FALSE);
3812 SendToProgram("playother\n", &first);
3821 if (gameMode == IcsObserving && ics_gamenum == -1) {
3822 /* Moves came from oldmoves or moves command
3823 while we weren't doing anything else.
3825 currentMove = forwardMostMove;
3826 ClearHighlights();/*!!could figure this out*/
3827 flipView = appData.flipView;
3828 DrawPosition(TRUE, boards[currentMove]);
3829 DisplayBothClocks();
3830 snprintf(str, MSG_SIZ, "%s %s %s",
3831 gameInfo.white, _("vs."), gameInfo.black);
3835 /* Moves were history of an active game */
3836 if (gameInfo.resultDetails != NULL) {
3837 free(gameInfo.resultDetails);
3838 gameInfo.resultDetails = NULL;
3841 HistorySet(parseList, backwardMostMove,
3842 forwardMostMove, currentMove-1);
3843 DisplayMove(currentMove - 1);
3844 if (started == STARTED_MOVES) next_out = i;
3845 started = STARTED_NONE;
3846 ics_getting_history = H_FALSE;
3849 case STARTED_OBSERVE:
3850 started = STARTED_NONE;
3851 SendToICS(ics_prefix);
3852 SendToICS("refresh\n");
3858 if(bookHit) { // [HGM] book: simulate book reply
3859 static char bookMove[MSG_SIZ]; // a bit generous?
3861 programStats.nodes = programStats.depth = programStats.time =
3862 programStats.score = programStats.got_only_move = 0;
3863 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3865 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3866 strcat(bookMove, bookHit);
3867 HandleMachineMove(bookMove, &first);
3872 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3873 started == STARTED_HOLDINGS ||
3874 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3875 /* Accumulate characters in move list or board */
3876 parse[parse_pos++] = buf[i];
3879 /* Start of game messages. Mostly we detect start of game
3880 when the first board image arrives. On some versions
3881 of the ICS, though, we need to do a "refresh" after starting
3882 to observe in order to get the current board right away. */
3883 if (looking_at(buf, &i, "Adding game * to observation list")) {
3884 started = STARTED_OBSERVE;
3888 /* Handle auto-observe */
3889 if (appData.autoObserve &&
3890 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3891 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3893 /* Choose the player that was highlighted, if any. */
3894 if (star_match[0][0] == '\033' ||
3895 star_match[1][0] != '\033') {
3896 player = star_match[0];
3898 player = star_match[2];
3900 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3901 ics_prefix, StripHighlightAndTitle(player));
3904 /* Save ratings from notify string */
3905 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3906 player1Rating = string_to_rating(star_match[1]);
3907 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3908 player2Rating = string_to_rating(star_match[3]);
3910 if (appData.debugMode)
3912 "Ratings from 'Game notification:' %s %d, %s %d\n",
3913 player1Name, player1Rating,
3914 player2Name, player2Rating);
3919 /* Deal with automatic examine mode after a game,
3920 and with IcsObserving -> IcsExamining transition */
3921 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3922 looking_at(buf, &i, "has made you an examiner of game *")) {
3924 int gamenum = atoi(star_match[0]);
3925 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3926 gamenum == ics_gamenum) {
3927 /* We were already playing or observing this game;
3928 no need to refetch history */
3929 gameMode = IcsExamining;
3931 pauseExamForwardMostMove = forwardMostMove;
3932 } else if (currentMove < forwardMostMove) {
3933 ForwardInner(forwardMostMove);
3936 /* I don't think this case really can happen */
3937 SendToICS(ics_prefix);
3938 SendToICS("refresh\n");
3943 /* Error messages */
3944 // if (ics_user_moved) {
3945 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3946 if (looking_at(buf, &i, "Illegal move") ||
3947 looking_at(buf, &i, "Not a legal move") ||
3948 looking_at(buf, &i, "Your king is in check") ||
3949 looking_at(buf, &i, "It isn't your turn") ||
3950 looking_at(buf, &i, "It is not your move")) {
3952 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3953 currentMove = forwardMostMove-1;
3954 DisplayMove(currentMove - 1); /* before DMError */
3955 DrawPosition(FALSE, boards[currentMove]);
3956 SwitchClocks(forwardMostMove-1); // [HGM] race
3957 DisplayBothClocks();
3959 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3965 if (looking_at(buf, &i, "still have time") ||
3966 looking_at(buf, &i, "not out of time") ||
3967 looking_at(buf, &i, "either player is out of time") ||
3968 looking_at(buf, &i, "has timeseal; checking")) {
3969 /* We must have called his flag a little too soon */
3970 whiteFlag = blackFlag = FALSE;
3974 if (looking_at(buf, &i, "added * seconds to") ||
3975 looking_at(buf, &i, "seconds were added to")) {
3976 /* Update the clocks */
3977 SendToICS(ics_prefix);
3978 SendToICS("refresh\n");
3982 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3983 ics_clock_paused = TRUE;
3988 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3989 ics_clock_paused = FALSE;
3994 /* Grab player ratings from the Creating: message.
3995 Note we have to check for the special case when
3996 the ICS inserts things like [white] or [black]. */
3997 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3998 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
4000 0 player 1 name (not necessarily white)
4002 2 empty, white, or black (IGNORED)
4003 3 player 2 name (not necessarily black)
4006 The names/ratings are sorted out when the game
4007 actually starts (below).
4009 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4010 player1Rating = string_to_rating(star_match[1]);
4011 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4012 player2Rating = string_to_rating(star_match[4]);
4014 if (appData.debugMode)
4016 "Ratings from 'Creating:' %s %d, %s %d\n",
4017 player1Name, player1Rating,
4018 player2Name, player2Rating);
4023 /* Improved generic start/end-of-game messages */
4024 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4025 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4026 /* If tkind == 0: */
4027 /* star_match[0] is the game number */
4028 /* [1] is the white player's name */
4029 /* [2] is the black player's name */
4030 /* For end-of-game: */
4031 /* [3] is the reason for the game end */
4032 /* [4] is a PGN end game-token, preceded by " " */
4033 /* For start-of-game: */
4034 /* [3] begins with "Creating" or "Continuing" */
4035 /* [4] is " *" or empty (don't care). */
4036 int gamenum = atoi(star_match[0]);
4037 char *whitename, *blackname, *why, *endtoken;
4038 ChessMove endtype = EndOfFile;
4041 whitename = star_match[1];
4042 blackname = star_match[2];
4043 why = star_match[3];
4044 endtoken = star_match[4];
4046 whitename = star_match[1];
4047 blackname = star_match[3];
4048 why = star_match[5];
4049 endtoken = star_match[6];
4052 /* Game start messages */
4053 if (strncmp(why, "Creating ", 9) == 0 ||
4054 strncmp(why, "Continuing ", 11) == 0) {
4055 gs_gamenum = gamenum;
4056 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4057 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4058 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4060 if (appData.zippyPlay) {
4061 ZippyGameStart(whitename, blackname);
4064 partnerBoardValid = FALSE; // [HGM] bughouse
4068 /* Game end messages */
4069 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4070 ics_gamenum != gamenum) {
4073 while (endtoken[0] == ' ') endtoken++;
4074 switch (endtoken[0]) {
4077 endtype = GameUnfinished;
4080 endtype = BlackWins;
4083 if (endtoken[1] == '/')
4084 endtype = GameIsDrawn;
4086 endtype = WhiteWins;
4089 GameEnds(endtype, why, GE_ICS);
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyGameEnd(endtype, why);
4093 if (first.pr == NoProc) {
4094 /* Start the next process early so that we'll
4095 be ready for the next challenge */
4096 StartChessProgram(&first);
4098 /* Send "new" early, in case this command takes
4099 a long time to finish, so that we'll be ready
4100 for the next challenge. */
4101 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4105 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4109 if (looking_at(buf, &i, "Removing game * from observation") ||
4110 looking_at(buf, &i, "no longer observing game *") ||
4111 looking_at(buf, &i, "Game * (*) has no examiners")) {
4112 if (gameMode == IcsObserving &&
4113 atoi(star_match[0]) == ics_gamenum)
4115 /* icsEngineAnalyze */
4116 if (appData.icsEngineAnalyze) {
4123 ics_user_moved = FALSE;
4128 if (looking_at(buf, &i, "no longer examining game *")) {
4129 if (gameMode == IcsExamining &&
4130 atoi(star_match[0]) == ics_gamenum)
4134 ics_user_moved = FALSE;
4139 /* Advance leftover_start past any newlines we find,
4140 so only partial lines can get reparsed */
4141 if (looking_at(buf, &i, "\n")) {
4142 prevColor = curColor;
4143 if (curColor != ColorNormal) {
4144 if (oldi > next_out) {
4145 SendToPlayer(&buf[next_out], oldi - next_out);
4148 Colorize(ColorNormal, FALSE);
4149 curColor = ColorNormal;
4151 if (started == STARTED_BOARD) {
4152 started = STARTED_NONE;
4153 parse[parse_pos] = NULLCHAR;
4154 ParseBoard12(parse);
4157 /* Send premove here */
4158 if (appData.premove) {
4160 if (currentMove == 0 &&
4161 gameMode == IcsPlayingWhite &&
4162 appData.premoveWhite) {
4163 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4167 } else if (currentMove == 1 &&
4168 gameMode == IcsPlayingBlack &&
4169 appData.premoveBlack) {
4170 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4171 if (appData.debugMode)
4172 fprintf(debugFP, "Sending premove:\n");
4174 } else if (gotPremove) {
4175 int oldFMM = forwardMostMove;
4177 ClearPremoveHighlights();
4178 if (appData.debugMode)
4179 fprintf(debugFP, "Sending premove:\n");
4180 UserMoveEvent(premoveFromX, premoveFromY,
4181 premoveToX, premoveToY,
4183 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4184 if(moveList[oldFMM-1][1] != '@')
4185 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4186 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4188 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4193 /* Usually suppress following prompt */
4194 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4195 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4196 if (looking_at(buf, &i, "*% ")) {
4197 savingComment = FALSE;
4202 } else if (started == STARTED_HOLDINGS) {
4204 char new_piece[MSG_SIZ];
4205 started = STARTED_NONE;
4206 parse[parse_pos] = NULLCHAR;
4207 if (appData.debugMode)
4208 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4209 parse, currentMove);
4210 if (sscanf(parse, " game %d", &gamenum) == 1) {
4211 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4212 if (gameInfo.variant == VariantNormal) {
4213 /* [HGM] We seem to switch variant during a game!
4214 * Presumably no holdings were displayed, so we have
4215 * to move the position two files to the right to
4216 * create room for them!
4218 VariantClass newVariant;
4219 switch(gameInfo.boardWidth) { // base guess on board width
4220 case 9: newVariant = VariantShogi; break;
4221 case 10: newVariant = VariantGreat; break;
4222 default: newVariant = VariantCrazyhouse; break;
4224 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4225 /* Get a move list just to see the header, which
4226 will tell us whether this is really bug or zh */
4227 if (ics_getting_history == H_FALSE) {
4228 ics_getting_history = H_REQUESTED;
4229 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4233 new_piece[0] = NULLCHAR;
4234 sscanf(parse, "game %d white [%s black [%s <- %s",
4235 &gamenum, white_holding, black_holding,
4237 white_holding[strlen(white_holding)-1] = NULLCHAR;
4238 black_holding[strlen(black_holding)-1] = NULLCHAR;
4239 /* [HGM] copy holdings to board holdings area */
4240 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4241 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4242 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4244 if (appData.zippyPlay && first.initDone) {
4245 ZippyHoldings(white_holding, black_holding,
4249 if (tinyLayout || smallLayout) {
4250 char wh[16], bh[16];
4251 PackHolding(wh, white_holding);
4252 PackHolding(bh, black_holding);
4253 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4254 gameInfo.white, gameInfo.black);
4256 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4257 gameInfo.white, white_holding, _("vs."),
4258 gameInfo.black, black_holding);
4260 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4261 DrawPosition(FALSE, boards[currentMove]);
4263 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4264 sscanf(parse, "game %d white [%s black [%s <- %s",
4265 &gamenum, white_holding, black_holding,
4267 white_holding[strlen(white_holding)-1] = NULLCHAR;
4268 black_holding[strlen(black_holding)-1] = NULLCHAR;
4269 /* [HGM] copy holdings to partner-board holdings area */
4270 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4271 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4272 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4273 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4274 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4277 /* Suppress following prompt */
4278 if (looking_at(buf, &i, "*% ")) {
4279 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4280 savingComment = FALSE;
4288 i++; /* skip unparsed character and loop back */
4291 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4292 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4293 // SendToPlayer(&buf[next_out], i - next_out);
4294 started != STARTED_HOLDINGS && leftover_start > next_out) {
4295 SendToPlayer(&buf[next_out], leftover_start - next_out);
4299 leftover_len = buf_len - leftover_start;
4300 /* if buffer ends with something we couldn't parse,
4301 reparse it after appending the next read */
4303 } else if (count == 0) {
4304 RemoveInputSource(isr);
4305 DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
4307 DisplayFatalError(_("Error reading from ICS"), error, 1);
4312 /* Board style 12 looks like this:
4314 <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
4316 * The "<12> " is stripped before it gets to this routine. The two
4317 * trailing 0's (flip state and clock ticking) are later addition, and
4318 * some chess servers may not have them, or may have only the first.
4319 * Additional trailing fields may be added in the future.
4322 #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"
4324 #define RELATION_OBSERVING_PLAYED 0
4325 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4326 #define RELATION_PLAYING_MYMOVE 1
4327 #define RELATION_PLAYING_NOTMYMOVE -1
4328 #define RELATION_EXAMINING 2
4329 #define RELATION_ISOLATED_BOARD -3
4330 #define RELATION_STARTING_POSITION -4 /* FICS only */
4333 ParseBoard12 (char *string)
4337 char *bookHit = NULL; // [HGM] book
4339 GameMode newGameMode;
4340 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4341 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4342 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4343 char to_play, board_chars[200];
4344 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4345 char black[32], white[32];
4347 int prevMove = currentMove;
4350 int fromX, fromY, toX, toY;
4352 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4353 Boolean weird = FALSE, reqFlag = FALSE;
4355 fromX = fromY = toX = toY = -1;
4359 if (appData.debugMode)
4360 fprintf(debugFP, "Parsing board: %s\n", string);
4362 move_str[0] = NULLCHAR;
4363 elapsed_time[0] = NULLCHAR;
4364 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4366 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4367 if(string[i] == ' ') { ranks++; files = 0; }
4369 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4372 for(j = 0; j <i; j++) board_chars[j] = string[j];
4373 board_chars[i] = '\0';
4376 n = sscanf(string, PATTERN, &to_play, &double_push,
4377 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4378 &gamenum, white, black, &relation, &basetime, &increment,
4379 &white_stren, &black_stren, &white_time, &black_time,
4380 &moveNum, str, elapsed_time, move_str, &ics_flip,
4384 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4385 DisplayError(str, 0);
4389 /* Convert the move number to internal form */
4390 moveNum = (moveNum - 1) * 2;
4391 if (to_play == 'B') moveNum++;
4392 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4393 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4399 case RELATION_OBSERVING_PLAYED:
4400 case RELATION_OBSERVING_STATIC:
4401 if (gamenum == -1) {
4402 /* Old ICC buglet */
4403 relation = RELATION_OBSERVING_STATIC;
4405 newGameMode = IcsObserving;
4407 case RELATION_PLAYING_MYMOVE:
4408 case RELATION_PLAYING_NOTMYMOVE:
4410 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4411 IcsPlayingWhite : IcsPlayingBlack;
4412 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4414 case RELATION_EXAMINING:
4415 newGameMode = IcsExamining;
4417 case RELATION_ISOLATED_BOARD:
4419 /* Just display this board. If user was doing something else,
4420 we will forget about it until the next board comes. */
4421 newGameMode = IcsIdle;
4423 case RELATION_STARTING_POSITION:
4424 newGameMode = gameMode;
4428 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4429 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4430 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4431 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4432 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4433 static int lastBgGame = -1;
4435 for (k = 0; k < ranks; k++) {
4436 for (j = 0; j < files; j++)
4437 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4438 if(gameInfo.holdingsWidth > 1) {
4439 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4440 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4443 CopyBoard(partnerBoard, board);
4444 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4445 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4446 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4447 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4448 if(toSqr = strchr(str, '-')) {
4449 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4450 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4451 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4452 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4453 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4454 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4456 DisplayWhiteClock(white_time*fac, to_play == 'W');
4457 DisplayBlackClock(black_time*fac, to_play != 'W');
4458 activePartner = to_play;
4459 if(gamenum != lastBgGame) {
4461 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4464 lastBgGame = gamenum;
4465 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4466 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4467 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4468 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4469 if(!twoBoards) DisplayMessage(partnerStatus, "");
4470 partnerBoardValid = TRUE;
4474 if(appData.dualBoard && appData.bgObserve) {
4475 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4476 SendToICS(ics_prefix), SendToICS("pobserve\n");
4477 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4479 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4484 /* Modify behavior for initial board display on move listing
4487 switch (ics_getting_history) {
4491 case H_GOT_REQ_HEADER:
4492 case H_GOT_UNREQ_HEADER:
4493 /* This is the initial position of the current game */
4494 gamenum = ics_gamenum;
4495 moveNum = 0; /* old ICS bug workaround */
4496 if (to_play == 'B') {
4497 startedFromSetupPosition = TRUE;
4498 blackPlaysFirst = TRUE;
4500 if (forwardMostMove == 0) forwardMostMove = 1;
4501 if (backwardMostMove == 0) backwardMostMove = 1;
4502 if (currentMove == 0) currentMove = 1;
4504 newGameMode = gameMode;
4505 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4507 case H_GOT_UNWANTED_HEADER:
4508 /* This is an initial board that we don't want */
4510 case H_GETTING_MOVES:
4511 /* Should not happen */
4512 DisplayError(_("Error gathering move list: extra board"), 0);
4513 ics_getting_history = H_FALSE;
4517 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4518 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4519 weird && (int)gameInfo.variant < (int)VariantShogi) {
4520 /* [HGM] We seem to have switched variant unexpectedly
4521 * Try to guess new variant from board size
4523 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4524 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4525 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4526 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4527 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4528 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4529 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4530 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4531 /* Get a move list just to see the header, which
4532 will tell us whether this is really bug or zh */
4533 if (ics_getting_history == H_FALSE) {
4534 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4535 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4540 /* Take action if this is the first board of a new game, or of a
4541 different game than is currently being displayed. */
4542 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4543 relation == RELATION_ISOLATED_BOARD) {
4545 /* Forget the old game and get the history (if any) of the new one */
4546 if (gameMode != BeginningOfGame) {
4550 if (appData.autoRaiseBoard) BoardToTop();
4552 if (gamenum == -1) {
4553 newGameMode = IcsIdle;
4554 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4555 appData.getMoveList && !reqFlag) {
4556 /* Need to get game history */
4557 ics_getting_history = H_REQUESTED;
4558 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4562 /* Initially flip the board to have black on the bottom if playing
4563 black or if the ICS flip flag is set, but let the user change
4564 it with the Flip View button. */
4565 flipView = appData.autoFlipView ?
4566 (newGameMode == IcsPlayingBlack) || ics_flip :
4569 /* Done with values from previous mode; copy in new ones */
4570 gameMode = newGameMode;
4572 ics_gamenum = gamenum;
4573 if (gamenum == gs_gamenum) {
4574 int klen = strlen(gs_kind);
4575 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4576 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4577 gameInfo.event = StrSave(str);
4579 gameInfo.event = StrSave("ICS game");
4581 gameInfo.site = StrSave(appData.icsHost);
4582 gameInfo.date = PGNDate();
4583 gameInfo.round = StrSave("-");
4584 gameInfo.white = StrSave(white);
4585 gameInfo.black = StrSave(black);
4586 timeControl = basetime * 60 * 1000;
4588 timeIncrement = increment * 1000;
4589 movesPerSession = 0;
4590 gameInfo.timeControl = TimeControlTagValue();
4591 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4592 if (appData.debugMode) {
4593 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4594 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4595 setbuf(debugFP, NULL);
4598 gameInfo.outOfBook = NULL;
4600 /* Do we have the ratings? */
4601 if (strcmp(player1Name, white) == 0 &&
4602 strcmp(player2Name, black) == 0) {
4603 if (appData.debugMode)
4604 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4605 player1Rating, player2Rating);
4606 gameInfo.whiteRating = player1Rating;
4607 gameInfo.blackRating = player2Rating;
4608 } else if (strcmp(player2Name, white) == 0 &&
4609 strcmp(player1Name, black) == 0) {
4610 if (appData.debugMode)
4611 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4612 player2Rating, player1Rating);
4613 gameInfo.whiteRating = player2Rating;
4614 gameInfo.blackRating = player1Rating;
4616 player1Name[0] = player2Name[0] = NULLCHAR;
4618 /* Silence shouts if requested */
4619 if (appData.quietPlay &&
4620 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4621 SendToICS(ics_prefix);
4622 SendToICS("set shout 0\n");
4626 /* Deal with midgame name changes */
4628 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4629 if (gameInfo.white) free(gameInfo.white);
4630 gameInfo.white = StrSave(white);
4632 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4633 if (gameInfo.black) free(gameInfo.black);
4634 gameInfo.black = StrSave(black);
4638 /* Throw away game result if anything actually changes in examine mode */
4639 if (gameMode == IcsExamining && !newGame) {
4640 gameInfo.result = GameUnfinished;
4641 if (gameInfo.resultDetails != NULL) {
4642 free(gameInfo.resultDetails);
4643 gameInfo.resultDetails = NULL;
4647 /* In pausing && IcsExamining mode, we ignore boards coming
4648 in if they are in a different variation than we are. */
4649 if (pauseExamInvalid) return;
4650 if (pausing && gameMode == IcsExamining) {
4651 if (moveNum <= pauseExamForwardMostMove) {
4652 pauseExamInvalid = TRUE;
4653 forwardMostMove = pauseExamForwardMostMove;
4658 if (appData.debugMode) {
4659 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4661 /* Parse the board */
4662 for (k = 0; k < ranks; k++) {
4663 for (j = 0; j < files; j++)
4664 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4665 if(gameInfo.holdingsWidth > 1) {
4666 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4667 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4670 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4671 board[5][BOARD_RGHT+1] = WhiteAngel;
4672 board[6][BOARD_RGHT+1] = WhiteMarshall;
4673 board[1][0] = BlackMarshall;
4674 board[2][0] = BlackAngel;
4675 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4677 CopyBoard(boards[moveNum], board);
4678 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4680 startedFromSetupPosition =
4681 !CompareBoards(board, initialPosition);
4682 if(startedFromSetupPosition)
4683 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4686 /* [HGM] Set castling rights. Take the outermost Rooks,
4687 to make it also work for FRC opening positions. Note that board12
4688 is really defective for later FRC positions, as it has no way to
4689 indicate which Rook can castle if they are on the same side of King.
4690 For the initial position we grant rights to the outermost Rooks,
4691 and remember thos rights, and we then copy them on positions
4692 later in an FRC game. This means WB might not recognize castlings with
4693 Rooks that have moved back to their original position as illegal,
4694 but in ICS mode that is not its job anyway.
4696 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4697 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4699 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4700 if(board[0][i] == WhiteRook) j = i;
4701 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4702 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4703 if(board[0][i] == WhiteRook) j = i;
4704 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4706 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4707 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4708 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4709 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4710 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4712 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4713 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4714 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4715 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4716 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4717 if(board[BOARD_HEIGHT-1][k] == bKing)
4718 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4719 if(gameInfo.variant == VariantTwoKings) {
4720 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4721 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4722 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4725 r = boards[moveNum][CASTLING][0] = initialRights[0];
4726 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4727 r = boards[moveNum][CASTLING][1] = initialRights[1];
4728 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4729 r = boards[moveNum][CASTLING][3] = initialRights[3];
4730 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4731 r = boards[moveNum][CASTLING][4] = initialRights[4];
4732 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4733 /* wildcastle kludge: always assume King has rights */
4734 r = boards[moveNum][CASTLING][2] = initialRights[2];
4735 r = boards[moveNum][CASTLING][5] = initialRights[5];
4737 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4738 boards[moveNum][EP_STATUS] = EP_NONE;
4739 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4740 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4741 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4744 if (ics_getting_history == H_GOT_REQ_HEADER ||
4745 ics_getting_history == H_GOT_UNREQ_HEADER) {
4746 /* This was an initial position from a move list, not
4747 the current position */
4751 /* Update currentMove and known move number limits */
4752 newMove = newGame || moveNum > forwardMostMove;
4755 forwardMostMove = backwardMostMove = currentMove = moveNum;
4756 if (gameMode == IcsExamining && moveNum == 0) {
4757 /* Workaround for ICS limitation: we are not told the wild
4758 type when starting to examine a game. But if we ask for
4759 the move list, the move list header will tell us */
4760 ics_getting_history = H_REQUESTED;
4761 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4764 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4765 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4767 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4768 /* [HGM] applied this also to an engine that is silently watching */
4769 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4770 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4771 gameInfo.variant == currentlyInitializedVariant) {
4772 takeback = forwardMostMove - moveNum;
4773 for (i = 0; i < takeback; i++) {
4774 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4775 SendToProgram("undo\n", &first);
4780 forwardMostMove = moveNum;
4781 if (!pausing || currentMove > forwardMostMove)
4782 currentMove = forwardMostMove;
4784 /* New part of history that is not contiguous with old part */
4785 if (pausing && gameMode == IcsExamining) {
4786 pauseExamInvalid = TRUE;
4787 forwardMostMove = pauseExamForwardMostMove;
4790 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4792 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4793 // [HGM] when we will receive the move list we now request, it will be
4794 // fed to the engine from the first move on. So if the engine is not
4795 // in the initial position now, bring it there.
4796 InitChessProgram(&first, 0);
4799 ics_getting_history = H_REQUESTED;
4800 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4803 forwardMostMove = backwardMostMove = currentMove = moveNum;
4806 /* Update the clocks */
4807 if (strchr(elapsed_time, '.')) {
4809 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4810 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4812 /* Time is in seconds */
4813 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4814 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4819 if (appData.zippyPlay && newGame &&
4820 gameMode != IcsObserving && gameMode != IcsIdle &&
4821 gameMode != IcsExamining)
4822 ZippyFirstBoard(moveNum, basetime, increment);
4825 /* Put the move on the move list, first converting
4826 to canonical algebraic form. */
4828 if (appData.debugMode) {
4829 int f = forwardMostMove;
4830 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4831 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4832 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4833 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4834 fprintf(debugFP, "moveNum = %d\n", moveNum);
4835 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4836 setbuf(debugFP, NULL);
4838 if (moveNum <= backwardMostMove) {
4839 /* We don't know what the board looked like before
4841 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4842 strcat(parseList[moveNum - 1], " ");
4843 strcat(parseList[moveNum - 1], elapsed_time);
4844 moveList[moveNum - 1][0] = NULLCHAR;
4845 } else if (strcmp(move_str, "none") == 0) {
4846 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4847 /* Again, we don't know what the board looked like;
4848 this is really the start of the game. */
4849 parseList[moveNum - 1][0] = NULLCHAR;
4850 moveList[moveNum - 1][0] = NULLCHAR;
4851 backwardMostMove = moveNum;
4852 startedFromSetupPosition = TRUE;
4853 fromX = fromY = toX = toY = -1;
4855 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4856 // So we parse the long-algebraic move string in stead of the SAN move
4857 int valid; char buf[MSG_SIZ], *prom;
4859 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4860 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4861 // str looks something like "Q/a1-a2"; kill the slash
4863 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4864 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4865 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4866 strcat(buf, prom); // long move lacks promo specification!
4867 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4868 if(appData.debugMode)
4869 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4870 safeStrCpy(move_str, buf, MSG_SIZ);
4872 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4873 &fromX, &fromY, &toX, &toY, &promoChar)
4874 || ParseOneMove(buf, moveNum - 1, &moveType,
4875 &fromX, &fromY, &toX, &toY, &promoChar);
4876 // end of long SAN patch
4878 (void) CoordsToAlgebraic(boards[moveNum - 1],
4879 PosFlags(moveNum - 1),
4880 fromY, fromX, toY, toX, promoChar,
4881 parseList[moveNum-1]);
4882 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4888 if(!IS_SHOGI(gameInfo.variant))
4889 strcat(parseList[moveNum - 1], "+");
4892 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4893 strcat(parseList[moveNum - 1], "#");
4896 strcat(parseList[moveNum - 1], " ");
4897 strcat(parseList[moveNum - 1], elapsed_time);
4898 /* currentMoveString is set as a side-effect of ParseOneMove */
4899 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4900 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4901 strcat(moveList[moveNum - 1], "\n");
4903 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4904 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4905 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4906 ChessSquare old, new = boards[moveNum][k][j];
4907 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4908 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4909 if(old == new) continue;
4910 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4911 else if(new == WhiteWazir || new == BlackWazir) {
4912 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4913 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4914 else boards[moveNum][k][j] = old; // preserve type of Gold
4915 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4916 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4919 /* Move from ICS was illegal!? Punt. */
4920 if (appData.debugMode) {
4921 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4922 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4924 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4925 strcat(parseList[moveNum - 1], " ");
4926 strcat(parseList[moveNum - 1], elapsed_time);
4927 moveList[moveNum - 1][0] = NULLCHAR;
4928 fromX = fromY = toX = toY = -1;
4931 if (appData.debugMode) {
4932 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4933 setbuf(debugFP, NULL);
4937 /* Send move to chess program (BEFORE animating it). */
4938 if (appData.zippyPlay && !newGame && newMove &&
4939 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4941 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4942 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4943 if (moveList[moveNum - 1][0] == NULLCHAR) {
4944 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4946 DisplayError(str, 0);
4948 if (first.sendTime) {
4949 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4951 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4952 if (firstMove && !bookHit) {
4954 if (first.useColors) {
4955 SendToProgram(gameMode == IcsPlayingWhite ?
4957 "black\ngo\n", &first);
4959 SendToProgram("go\n", &first);
4961 first.maybeThinking = TRUE;
4964 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4965 if (moveList[moveNum - 1][0] == NULLCHAR) {
4966 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4967 DisplayError(str, 0);
4969 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4970 SendMoveToProgram(moveNum - 1, &first);
4977 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4978 /* If move comes from a remote source, animate it. If it
4979 isn't remote, it will have already been animated. */
4980 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4981 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4983 if (!pausing && appData.highlightLastMove) {
4984 SetHighlights(fromX, fromY, toX, toY);
4988 /* Start the clocks */
4989 whiteFlag = blackFlag = FALSE;
4990 appData.clockMode = !(basetime == 0 && increment == 0);
4992 ics_clock_paused = TRUE;
4994 } else if (ticking == 1) {
4995 ics_clock_paused = FALSE;
4997 if (gameMode == IcsIdle ||
4998 relation == RELATION_OBSERVING_STATIC ||
4999 relation == RELATION_EXAMINING ||
5001 DisplayBothClocks();
5005 /* Display opponents and material strengths */
5006 if (gameInfo.variant != VariantBughouse &&
5007 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5008 if (tinyLayout || smallLayout) {
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5011 gameInfo.white, white_stren, gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5015 gameInfo.white, white_stren, gameInfo.black, black_stren,
5016 basetime, increment, (int) gameInfo.variant);
5018 if(gameInfo.variant == VariantNormal)
5019 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5020 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5021 basetime, increment);
5023 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5024 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5025 basetime, increment, VariantName(gameInfo.variant));
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5034 /* Display the board */
5035 if (!pausing && !appData.noGUI) {
5037 if (appData.premove)
5039 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5040 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5041 ClearPremoveHighlights();
5043 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5044 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5045 DrawPosition(j, boards[currentMove]);
5047 DisplayMove(moveNum - 1);
5048 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5049 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5050 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5051 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5055 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5057 if(bookHit) { // [HGM] book: simulate book reply
5058 static char bookMove[MSG_SIZ]; // a bit generous?
5060 programStats.nodes = programStats.depth = programStats.time =
5061 programStats.score = programStats.got_only_move = 0;
5062 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5064 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5065 strcat(bookMove, bookHit);
5066 HandleMachineMove(bookMove, &first);
5075 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5076 ics_getting_history = H_REQUESTED;
5077 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5083 SendToBoth (char *msg)
5084 { // to make it easy to keep two engines in step in dual analysis
5085 SendToProgram(msg, &first);
5086 if(second.analyzing) SendToProgram(msg, &second);
5090 AnalysisPeriodicEvent (int force)
5092 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5093 && !force) || !appData.periodicUpdates)
5096 /* Send . command to Crafty to collect stats */
5099 /* Don't send another until we get a response (this makes
5100 us stop sending to old Crafty's which don't understand
5101 the "." command (sending illegal cmds resets node count & time,
5102 which looks bad)) */
5103 programStats.ok_to_send = 0;
5107 ics_update_width (int new_width)
5109 ics_printf("set width %d\n", new_width);
5113 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5117 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5118 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5119 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5120 SendToProgram(buf, cps);
5123 // null move in variant where engine does not understand it (for analysis purposes)
5124 SendBoard(cps, moveNum + 1); // send position after move in stead.
5127 if (cps->useUsermove) {
5128 SendToProgram("usermove ", cps);
5132 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5133 int len = space - parseList[moveNum];
5134 memcpy(buf, parseList[moveNum], len);
5136 buf[len] = NULLCHAR;
5138 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5140 SendToProgram(buf, cps);
5142 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5143 AlphaRank(moveList[moveNum], 4);
5144 SendToProgram(moveList[moveNum], cps);
5145 AlphaRank(moveList[moveNum], 4); // and back
5147 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5148 * the engine. It would be nice to have a better way to identify castle
5150 if(appData.fischerCastling && cps->useOOCastle) {
5151 int fromX = moveList[moveNum][0] - AAA;
5152 int fromY = moveList[moveNum][1] - ONE;
5153 int toX = moveList[moveNum][2] - AAA;
5154 int toY = moveList[moveNum][3] - ONE;
5155 if((boards[moveNum][fromY][fromX] == WhiteKing
5156 && boards[moveNum][toY][toX] == WhiteRook)
5157 || (boards[moveNum][fromY][fromX] == BlackKing
5158 && boards[moveNum][toY][toX] == BlackRook)) {
5159 if(toX > fromX) SendToProgram("O-O\n", cps);
5160 else SendToProgram("O-O-O\n", cps);
5162 else SendToProgram(moveList[moveNum], cps);
5164 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5165 char *m = moveList[moveNum];
5167 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5168 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
5169 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5172 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5173 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5174 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5175 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
5180 m[2], m[3] - '0', c);
5182 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5185 m[2], m[3] - '0', c);
5186 SendToProgram(buf, cps);
5188 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5189 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5190 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5191 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5192 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5194 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5195 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5196 SendToProgram(buf, cps);
5198 else SendToProgram(moveList[moveNum], cps);
5199 /* End of additions by Tord */
5202 /* [HGM] setting up the opening has brought engine in force mode! */
5203 /* Send 'go' if we are in a mode where machine should play. */
5204 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5205 (gameMode == TwoMachinesPlay ||
5207 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5209 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5210 SendToProgram("go\n", cps);
5211 if (appData.debugMode) {
5212 fprintf(debugFP, "(extra)\n");
5215 setboardSpoiledMachineBlack = 0;
5219 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5221 char user_move[MSG_SIZ];
5224 if(gameInfo.variant == VariantSChess && promoChar) {
5225 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5226 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5227 } else suffix[0] = NULLCHAR;
5231 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5232 (int)moveType, fromX, fromY, toX, toY);
5233 DisplayError(user_move + strlen("say "), 0);
5235 case WhiteKingSideCastle:
5236 case BlackKingSideCastle:
5237 case WhiteQueenSideCastleWild:
5238 case BlackQueenSideCastleWild:
5240 case WhiteHSideCastleFR:
5241 case BlackHSideCastleFR:
5243 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5245 case WhiteQueenSideCastle:
5246 case BlackQueenSideCastle:
5247 case WhiteKingSideCastleWild:
5248 case BlackKingSideCastleWild:
5250 case WhiteASideCastleFR:
5251 case BlackASideCastleFR:
5253 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5255 case WhiteNonPromotion:
5256 case BlackNonPromotion:
5257 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5259 case WhitePromotion:
5260 case BlackPromotion:
5261 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5262 gameInfo.variant == VariantMakruk)
5263 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5264 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5265 PieceToChar(WhiteFerz));
5266 else if(gameInfo.variant == VariantGreat)
5267 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5268 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5269 PieceToChar(WhiteMan));
5271 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5272 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5278 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5279 ToUpper(PieceToChar((ChessSquare) fromX)),
5280 AAA + toX, ONE + toY);
5282 case IllegalMove: /* could be a variant we don't quite understand */
5283 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5285 case WhiteCapturesEnPassant:
5286 case BlackCapturesEnPassant:
5287 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5288 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5291 SendToICS(user_move);
5292 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5293 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5298 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5299 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5300 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5301 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5302 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5305 if(gameMode != IcsExamining) { // is this ever not the case?
5306 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5308 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5309 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5310 } else { // on FICS we must first go to general examine mode
5311 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5313 if(gameInfo.variant != VariantNormal) {
5314 // try figure out wild number, as xboard names are not always valid on ICS
5315 for(i=1; i<=36; i++) {
5316 snprintf(buf, MSG_SIZ, "wild/%d", i);
5317 if(StringToVariant(buf) == gameInfo.variant) break;
5319 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5320 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5321 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5322 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5323 SendToICS(ics_prefix);
5325 if(startedFromSetupPosition || backwardMostMove != 0) {
5326 fen = PositionToFEN(backwardMostMove, NULL, 1);
5327 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5328 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5330 } else { // FICS: everything has to set by separate bsetup commands
5331 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5332 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5334 if(!WhiteOnMove(backwardMostMove)) {
5335 SendToICS("bsetup tomove black\n");
5337 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5338 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5340 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5341 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5343 i = boards[backwardMostMove][EP_STATUS];
5344 if(i >= 0) { // set e.p.
5345 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5351 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5352 SendToICS("bsetup done\n"); // switch to normal examining.
5354 for(i = backwardMostMove; i<last; i++) {
5356 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5357 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5358 int len = strlen(moveList[i]);
5359 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5360 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5364 SendToICS(ics_prefix);
5365 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5368 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5372 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5374 if (rf == DROP_RANK) {
5375 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5376 sprintf(move, "%c@%c%c\n",
5377 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5379 if (promoChar == 'x' || promoChar == NULLCHAR) {
5380 sprintf(move, "%c%c%c%c\n",
5381 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5382 if(killX >= 0 && killY >= 0) {
5383 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5384 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5387 sprintf(move, "%c%c%c%c%c\n",
5388 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5389 if(killX >= 0 && killY >= 0) {
5390 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5391 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5398 ProcessICSInitScript (FILE *f)
5402 while (fgets(buf, MSG_SIZ, f)) {
5403 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5410 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5412 static ClickType lastClickType;
5415 PieceInString (char *s, ChessSquare piece)
5417 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5418 while((p = strchr(s, ID))) {
5419 if(!suffix || p[1] == suffix) return TRUE;
5426 Partner (ChessSquare *p)
5427 { // change piece into promotion partner if one shogi-promotes to the other
5428 ChessSquare partner = promoPartner[*p];
5429 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5430 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5438 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5439 static int toggleFlag;
5440 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5441 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5442 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5443 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5444 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5445 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5447 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5448 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5449 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5450 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5451 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5452 if(!step) step = -1;
5453 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5454 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5455 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5456 promoSweep == pawn ||
5457 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5458 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5460 int victim = boards[currentMove][toY][toX];
5461 boards[currentMove][toY][toX] = promoSweep;
5462 DrawPosition(FALSE, boards[currentMove]);
5463 boards[currentMove][toY][toX] = victim;
5465 ChangeDragPiece(promoSweep);
5469 PromoScroll (int x, int y)
5473 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5474 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5475 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5476 if(!step) return FALSE;
5477 lastX = x; lastY = y;
5478 if((promoSweep < BlackPawn) == flipView) step = -step;
5479 if(step > 0) selectFlag = 1;
5480 if(!selectFlag) Sweep(step);
5485 NextPiece (int step)
5487 ChessSquare piece = boards[currentMove][toY][toX];
5490 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5491 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5492 if(!step) step = -1;
5493 } while(PieceToChar(pieceSweep) == '.');
5494 boards[currentMove][toY][toX] = pieceSweep;
5495 DrawPosition(FALSE, boards[currentMove]);
5496 boards[currentMove][toY][toX] = piece;
5498 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5500 AlphaRank (char *move, int n)
5502 // char *p = move, c; int x, y;
5504 if (appData.debugMode) {
5505 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5509 move[2]>='0' && move[2]<='9' &&
5510 move[3]>='a' && move[3]<='x' ) {
5512 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5513 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5515 if(move[0]>='0' && move[0]<='9' &&
5516 move[1]>='a' && move[1]<='x' &&
5517 move[2]>='0' && move[2]<='9' &&
5518 move[3]>='a' && move[3]<='x' ) {
5519 /* input move, Shogi -> normal */
5520 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5521 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5522 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5523 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5526 move[3]>='0' && move[3]<='9' &&
5527 move[2]>='a' && move[2]<='x' ) {
5529 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5530 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5533 move[0]>='a' && move[0]<='x' &&
5534 move[3]>='0' && move[3]<='9' &&
5535 move[2]>='a' && move[2]<='x' ) {
5536 /* output move, normal -> Shogi */
5537 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5538 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5539 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5540 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5541 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5543 if (appData.debugMode) {
5544 fprintf(debugFP, " out = '%s'\n", move);
5548 char yy_textstr[8000];
5550 /* Parser for moves from gnuchess, ICS, or user typein box */
5552 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5554 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5556 switch (*moveType) {
5557 case WhitePromotion:
5558 case BlackPromotion:
5559 case WhiteNonPromotion:
5560 case BlackNonPromotion:
5563 case WhiteCapturesEnPassant:
5564 case BlackCapturesEnPassant:
5565 case WhiteKingSideCastle:
5566 case WhiteQueenSideCastle:
5567 case BlackKingSideCastle:
5568 case BlackQueenSideCastle:
5569 case WhiteKingSideCastleWild:
5570 case WhiteQueenSideCastleWild:
5571 case BlackKingSideCastleWild:
5572 case BlackQueenSideCastleWild:
5573 /* Code added by Tord: */
5574 case WhiteHSideCastleFR:
5575 case WhiteASideCastleFR:
5576 case BlackHSideCastleFR:
5577 case BlackASideCastleFR:
5578 /* End of code added by Tord */
5579 case IllegalMove: /* bug or odd chess variant */
5580 if(currentMoveString[1] == '@') { // illegal drop
5581 *fromX = WhiteOnMove(moveNum) ?
5582 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5583 (int) CharToPiece(ToLower(currentMoveString[0]));
5586 *fromX = currentMoveString[0] - AAA;
5587 *fromY = currentMoveString[1] - ONE;
5588 *toX = currentMoveString[2] - AAA;
5589 *toY = currentMoveString[3] - ONE;
5590 *promoChar = currentMoveString[4];
5591 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5592 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5593 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5594 if (appData.debugMode) {
5595 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5597 *fromX = *fromY = *toX = *toY = 0;
5600 if (appData.testLegality) {
5601 return (*moveType != IllegalMove);
5603 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5604 // [HGM] lion: if this is a double move we are less critical
5605 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5610 *fromX = *moveType == WhiteDrop ?
5611 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5612 (int) CharToPiece(ToLower(currentMoveString[0]));
5615 *toX = currentMoveString[2] - AAA;
5616 *toY = currentMoveString[3] - ONE;
5617 *promoChar = NULLCHAR;
5621 case ImpossibleMove:
5631 if (appData.debugMode) {
5632 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5635 *fromX = *fromY = *toX = *toY = 0;
5636 *promoChar = NULLCHAR;
5641 Boolean pushed = FALSE;
5642 char *lastParseAttempt;
5645 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5646 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5647 int fromX, fromY, toX, toY; char promoChar;
5652 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5653 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5654 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5657 endPV = forwardMostMove;
5659 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5660 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5661 lastParseAttempt = pv;
5662 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5663 if(!valid && nr == 0 &&
5664 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5665 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5666 // Hande case where played move is different from leading PV move
5667 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5668 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5669 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5670 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5671 endPV += 2; // if position different, keep this
5672 moveList[endPV-1][0] = fromX + AAA;
5673 moveList[endPV-1][1] = fromY + ONE;
5674 moveList[endPV-1][2] = toX + AAA;
5675 moveList[endPV-1][3] = toY + ONE;
5676 parseList[endPV-1][0] = NULLCHAR;
5677 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5680 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5681 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5682 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5683 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5684 valid++; // allow comments in PV
5688 if(endPV+1 > framePtr) break; // no space, truncate
5691 CopyBoard(boards[endPV], boards[endPV-1]);
5692 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5693 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5694 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5695 CoordsToAlgebraic(boards[endPV - 1],
5696 PosFlags(endPV - 1),
5697 fromY, fromX, toY, toX, promoChar,
5698 parseList[endPV - 1]);
5700 if(atEnd == 2) return; // used hidden, for PV conversion
5701 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5702 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5703 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5704 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5705 DrawPosition(TRUE, boards[currentMove]);
5709 MultiPV (ChessProgramState *cps, int kind)
5710 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5712 for(i=0; i<cps->nrOptions; i++) {
5713 char *s = cps->option[i].name;
5714 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5715 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5716 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5721 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5722 static int multi, pv_margin;
5723 static ChessProgramState *activeCps;
5726 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5728 int startPV, lineStart, origIndex = index;
5729 char *p, buf2[MSG_SIZ];
5730 ChessProgramState *cps = (pane ? &second : &first);
5732 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5733 lastX = x; lastY = y;
5734 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5735 lineStart = startPV = index;
5736 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5737 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5739 do{ while(buf[index] && buf[index] != '\n') index++;
5740 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5742 if(lineStart == 0 && gameMode == AnalyzeMode) {
5744 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5745 if(n == 0) { // click not on "fewer" or "more"
5746 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5747 pv_margin = cps->option[multi].value;
5748 activeCps = cps; // non-null signals margin adjustment
5750 } else if((multi = MultiPV(cps, 1)) >= 0) {
5751 n += cps->option[multi].value; if(n < 1) n = 1;
5752 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5753 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5754 cps->option[multi].value = n;
5758 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5759 ExcludeClick(origIndex - lineStart);
5761 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5762 Collapse(origIndex - lineStart);
5765 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5766 *start = startPV; *end = index-1;
5767 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5774 static char buf[10*MSG_SIZ];
5775 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5777 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5778 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5779 for(i = forwardMostMove; i<endPV; i++){
5780 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5781 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5784 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5785 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5786 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5792 LoadPV (int x, int y)
5793 { // called on right mouse click to load PV
5794 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5795 lastX = x; lastY = y;
5796 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5804 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5806 if(pv_margin != activeCps->option[multi].value) {
5808 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5809 SendToProgram(buf, activeCps);
5810 activeCps->option[multi].value = pv_margin;
5815 if(endPV < 0) return;
5816 if(appData.autoCopyPV) CopyFENToClipboard();
5818 if(extendGame && currentMove > forwardMostMove) {
5819 Boolean saveAnimate = appData.animate;
5821 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5822 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5823 } else storedGames--; // abandon shelved tail of original game
5826 forwardMostMove = currentMove;
5827 currentMove = oldFMM;
5828 appData.animate = FALSE;
5829 ToNrEvent(forwardMostMove);
5830 appData.animate = saveAnimate;
5832 currentMove = forwardMostMove;
5833 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5834 ClearPremoveHighlights();
5835 DrawPosition(TRUE, boards[currentMove]);
5839 MovePV (int x, int y, int h)
5840 { // step through PV based on mouse coordinates (called on mouse move)
5841 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5843 if(activeCps) { // adjusting engine's multi-pv margin
5844 if(x > lastX) pv_margin++; else
5845 if(x < lastX) pv_margin -= (pv_margin > 0);
5848 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5849 DisplayMessage(buf, "");
5854 // we must somehow check if right button is still down (might be released off board!)
5855 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5856 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5857 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5859 lastX = x; lastY = y;
5861 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5862 if(endPV < 0) return;
5863 if(y < margin) step = 1; else
5864 if(y > h - margin) step = -1;
5865 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5866 currentMove += step;
5867 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5868 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5869 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5870 DrawPosition(FALSE, boards[currentMove]);
5874 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5875 // All positions will have equal probability, but the current method will not provide a unique
5876 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5882 int piecesLeft[(int)BlackPawn];
5883 int seed, nrOfShuffles;
5886 GetPositionNumber ()
5887 { // sets global variable seed
5890 seed = appData.defaultFrcPosition;
5891 if(seed < 0) { // randomize based on time for negative FRC position numbers
5892 for(i=0; i<50; i++) seed += random();
5893 seed = random() ^ random() >> 8 ^ random() << 8;
5894 if(seed<0) seed = -seed;
5899 put (Board board, int pieceType, int rank, int n, int shade)
5900 // put the piece on the (n-1)-th empty squares of the given shade
5904 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5905 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5906 board[rank][i] = (ChessSquare) pieceType;
5907 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5909 piecesLeft[pieceType]--;
5918 AddOnePiece (Board board, int pieceType, int rank, int shade)
5919 // calculate where the next piece goes, (any empty square), and put it there
5923 i = seed % squaresLeft[shade];
5924 nrOfShuffles *= squaresLeft[shade];
5925 seed /= squaresLeft[shade];
5926 put(board, pieceType, rank, i, shade);
5930 AddTwoPieces (Board board, int pieceType, int rank)
5931 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5933 int i, n=squaresLeft[ANY], j=n-1, k;
5935 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5936 i = seed % k; // pick one
5939 while(i >= j) i -= j--;
5940 j = n - 1 - j; i += j;
5941 put(board, pieceType, rank, j, ANY);
5942 put(board, pieceType, rank, i, ANY);
5946 SetUpShuffle (Board board, int number)
5950 GetPositionNumber(); nrOfShuffles = 1;
5952 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5953 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5954 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5956 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5958 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5959 p = (int) board[0][i];
5960 if(p < (int) BlackPawn) piecesLeft[p] ++;
5961 board[0][i] = EmptySquare;
5964 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5965 // shuffles restricted to allow normal castling put KRR first
5966 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5967 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5968 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5969 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5970 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5971 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5972 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5973 put(board, WhiteRook, 0, 0, ANY);
5974 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5977 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5978 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5979 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5980 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5981 while(piecesLeft[p] >= 2) {
5982 AddOnePiece(board, p, 0, LITE);
5983 AddOnePiece(board, p, 0, DARK);
5985 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5988 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5989 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5990 // but we leave King and Rooks for last, to possibly obey FRC restriction
5991 if(p == (int)WhiteRook) continue;
5992 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5993 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5996 // now everything is placed, except perhaps King (Unicorn) and Rooks
5998 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5999 // Last King gets castling rights
6000 while(piecesLeft[(int)WhiteUnicorn]) {
6001 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6002 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6005 while(piecesLeft[(int)WhiteKing]) {
6006 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6007 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6012 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6013 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6016 // Only Rooks can be left; simply place them all
6017 while(piecesLeft[(int)WhiteRook]) {
6018 i = put(board, WhiteRook, 0, 0, ANY);
6019 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6022 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6024 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6027 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6028 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6031 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6035 ptclen (const char *s, char *escapes)
6038 if(!*escapes) return strlen(s);
6039 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6044 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6045 /* [HGM] moved here from winboard.c because of its general usefulness */
6046 /* Basically a safe strcpy that uses the last character as King */
6048 int result = FALSE; int NrPieces;
6049 unsigned char partner[EmptySquare];
6051 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6052 && NrPieces >= 12 && !(NrPieces&1)) {
6053 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6055 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6056 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6058 if(map[j] == '/') offs = WhitePBishop - i, j++;
6059 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6060 table[i+offs] = map[j++];
6061 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6062 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6063 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6065 table[(int) WhiteKing] = map[j++];
6066 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6068 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6069 i = WHITE_TO_BLACK ii;
6070 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6071 table[i+offs] = map[j++];
6072 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6073 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6074 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6076 table[(int) BlackKing] = map[j++];
6079 if(*escapes) { // set up promotion pairing
6080 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6081 // pieceToChar entirely filled, so we can look up specified partners
6082 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6084 if(c == '^' || c == '-') { // has specified partner
6086 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6087 if(c == '^') table[i] = '+';
6088 if(p < EmptySquare) {
6089 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6090 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6091 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6093 } else if(c == '*') {
6094 table[i] = partner[i];
6095 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6107 SetCharTable (unsigned char *table, const char * map)
6109 return SetCharTableEsc(table, map, "");
6113 Prelude (Board board)
6114 { // [HGM] superchess: random selection of exo-pieces
6115 int i, j, k; ChessSquare p;
6116 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6118 GetPositionNumber(); // use FRC position number
6120 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6121 SetCharTable(pieceToChar, appData.pieceToCharTable);
6122 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6123 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6126 j = seed%4; seed /= 4;
6127 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6128 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6129 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6130 j = seed%3 + (seed%3 >= j); seed /= 3;
6131 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6132 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6133 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6134 j = seed%3; seed /= 3;
6135 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6136 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6137 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6138 j = seed%2 + (seed%2 >= j); seed /= 2;
6139 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6140 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6141 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6142 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6143 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6144 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6145 put(board, exoPieces[0], 0, 0, ANY);
6146 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6150 InitPosition (int redraw)
6152 ChessSquare (* pieces)[BOARD_FILES];
6153 int i, j, pawnRow=1, pieceRows=1, overrule,
6154 oldx = gameInfo.boardWidth,
6155 oldy = gameInfo.boardHeight,
6156 oldh = gameInfo.holdingsWidth;
6159 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6161 /* [AS] Initialize pv info list [HGM] and game status */
6163 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6164 pvInfoList[i].depth = 0;
6165 boards[i][EP_STATUS] = EP_NONE;
6166 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6169 initialRulePlies = 0; /* 50-move counter start */
6171 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6172 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6176 /* [HGM] logic here is completely changed. In stead of full positions */
6177 /* the initialized data only consist of the two backranks. The switch */
6178 /* selects which one we will use, which is than copied to the Board */
6179 /* initialPosition, which for the rest is initialized by Pawns and */
6180 /* empty squares. This initial position is then copied to boards[0], */
6181 /* possibly after shuffling, so that it remains available. */
6183 gameInfo.holdingsWidth = 0; /* default board sizes */
6184 gameInfo.boardWidth = 8;
6185 gameInfo.boardHeight = 8;
6186 gameInfo.holdingsSize = 0;
6187 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6188 for(i=0; i<BOARD_FILES-6; i++)
6189 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6190 initialPosition[EP_STATUS] = EP_NONE;
6191 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6192 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6193 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6194 SetCharTable(pieceNickName, appData.pieceNickNames);
6195 else SetCharTable(pieceNickName, "............");
6198 switch (gameInfo.variant) {
6199 case VariantFischeRandom:
6200 shuffleOpenings = TRUE;
6201 appData.fischerCastling = TRUE;
6204 case VariantShatranj:
6205 pieces = ShatranjArray;
6206 nrCastlingRights = 0;
6207 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6210 pieces = makrukArray;
6211 nrCastlingRights = 0;
6212 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6215 pieces = aseanArray;
6216 nrCastlingRights = 0;
6217 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6219 case VariantTwoKings:
6220 pieces = twoKingsArray;
6223 pieces = GrandArray;
6224 nrCastlingRights = 0;
6225 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6226 gameInfo.boardWidth = 10;
6227 gameInfo.boardHeight = 10;
6228 gameInfo.holdingsSize = 7;
6230 case VariantCapaRandom:
6231 shuffleOpenings = TRUE;
6232 appData.fischerCastling = TRUE;
6233 case VariantCapablanca:
6234 pieces = CapablancaArray;
6235 gameInfo.boardWidth = 10;
6236 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6239 pieces = GothicArray;
6240 gameInfo.boardWidth = 10;
6241 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6244 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6245 gameInfo.holdingsSize = 7;
6246 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6249 pieces = JanusArray;
6250 gameInfo.boardWidth = 10;
6251 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6252 nrCastlingRights = 6;
6253 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6254 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6255 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6256 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6257 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6258 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6261 pieces = FalconArray;
6262 gameInfo.boardWidth = 10;
6263 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6265 case VariantXiangqi:
6266 pieces = XiangqiArray;
6267 gameInfo.boardWidth = 9;
6268 gameInfo.boardHeight = 10;
6269 nrCastlingRights = 0;
6270 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6273 pieces = ShogiArray;
6274 gameInfo.boardWidth = 9;
6275 gameInfo.boardHeight = 9;
6276 gameInfo.holdingsSize = 7;
6277 nrCastlingRights = 0;
6278 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6281 pieces = ChuArray; pieceRows = 3;
6282 gameInfo.boardWidth = 12;
6283 gameInfo.boardHeight = 12;
6284 nrCastlingRights = 0;
6285 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6286 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6287 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"
6288 "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);
6290 case VariantCourier:
6291 pieces = CourierArray;
6292 gameInfo.boardWidth = 12;
6293 nrCastlingRights = 0;
6294 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6296 case VariantKnightmate:
6297 pieces = KnightmateArray;
6298 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6300 case VariantSpartan:
6301 pieces = SpartanArray;
6302 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6306 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6308 case VariantChuChess:
6309 pieces = ChuChessArray;
6310 gameInfo.boardWidth = 10;
6311 gameInfo.boardHeight = 10;
6312 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6315 pieces = fairyArray;
6316 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6319 pieces = GreatArray;
6320 gameInfo.boardWidth = 10;
6321 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6322 gameInfo.holdingsSize = 8;
6326 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6327 gameInfo.holdingsSize = 8;
6328 startedFromSetupPosition = TRUE;
6330 case VariantCrazyhouse:
6331 case VariantBughouse:
6333 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6334 gameInfo.holdingsSize = 5;
6336 case VariantWildCastle:
6338 /* !!?shuffle with kings guaranteed to be on d or e file */
6339 shuffleOpenings = 1;
6341 case VariantNoCastle:
6343 nrCastlingRights = 0;
6344 /* !!?unconstrained back-rank shuffle */
6345 shuffleOpenings = 1;
6350 if(appData.NrFiles >= 0) {
6351 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6352 gameInfo.boardWidth = appData.NrFiles;
6354 if(appData.NrRanks >= 0) {
6355 gameInfo.boardHeight = appData.NrRanks;
6357 if(appData.holdingsSize >= 0) {
6358 i = appData.holdingsSize;
6359 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6360 gameInfo.holdingsSize = i;
6362 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6363 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6364 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6366 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6367 if(pawnRow < 1) pawnRow = 1;
6368 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6369 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6370 if(gameInfo.variant == VariantChu) pawnRow = 3;
6372 /* User pieceToChar list overrules defaults */
6373 if(appData.pieceToCharTable != NULL)
6374 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6376 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6378 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6379 s = (ChessSquare) 0; /* account holding counts in guard band */
6380 for( i=0; i<BOARD_HEIGHT; i++ )
6381 initialPosition[i][j] = s;
6383 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6384 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6385 initialPosition[pawnRow][j] = WhitePawn;
6386 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6387 if(gameInfo.variant == VariantXiangqi) {
6389 initialPosition[pawnRow][j] =
6390 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6391 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6392 initialPosition[2][j] = WhiteCannon;
6393 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6397 if(gameInfo.variant == VariantChu) {
6398 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6399 initialPosition[pawnRow+1][j] = WhiteCobra,
6400 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6401 for(i=1; i<pieceRows; i++) {
6402 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6403 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6406 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6407 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6408 initialPosition[0][j] = WhiteRook;
6409 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6412 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6414 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6415 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6418 initialPosition[1][j] = WhiteBishop;
6419 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6421 initialPosition[1][j] = WhiteRook;
6422 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6425 if( nrCastlingRights == -1) {
6426 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6427 /* This sets default castling rights from none to normal corners */
6428 /* Variants with other castling rights must set them themselves above */
6429 nrCastlingRights = 6;
6431 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6432 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6433 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6434 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6435 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6436 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6439 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6440 if(gameInfo.variant == VariantGreat) { // promotion commoners
6441 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6442 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6443 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6444 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6446 if( gameInfo.variant == VariantSChess ) {
6447 initialPosition[1][0] = BlackMarshall;
6448 initialPosition[2][0] = BlackAngel;
6449 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6450 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6451 initialPosition[1][1] = initialPosition[2][1] =
6452 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6454 if (appData.debugMode) {
6455 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6457 if(shuffleOpenings) {
6458 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6459 startedFromSetupPosition = TRUE;
6461 if(startedFromPositionFile) {
6462 /* [HGM] loadPos: use PositionFile for every new game */
6463 CopyBoard(initialPosition, filePosition);
6464 for(i=0; i<nrCastlingRights; i++)
6465 initialRights[i] = filePosition[CASTLING][i];
6466 startedFromSetupPosition = TRUE;
6468 if(*appData.men) LoadPieceDesc(appData.men);
6470 CopyBoard(boards[0], initialPosition);
6472 if(oldx != gameInfo.boardWidth ||
6473 oldy != gameInfo.boardHeight ||
6474 oldv != gameInfo.variant ||
6475 oldh != gameInfo.holdingsWidth
6477 InitDrawingSizes(-2 ,0);
6479 oldv = gameInfo.variant;
6481 DrawPosition(TRUE, boards[currentMove]);
6485 SendBoard (ChessProgramState *cps, int moveNum)
6487 char message[MSG_SIZ];
6489 if (cps->useSetboard) {
6490 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6491 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6492 SendToProgram(message, cps);
6497 int i, j, left=0, right=BOARD_WIDTH;
6498 /* Kludge to set black to move, avoiding the troublesome and now
6499 * deprecated "black" command.
6501 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6502 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6504 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6506 SendToProgram("edit\n", cps);
6507 SendToProgram("#\n", cps);
6508 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6509 bp = &boards[moveNum][i][left];
6510 for (j = left; j < right; j++, bp++) {
6511 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6512 if ((int) *bp < (int) BlackPawn) {
6513 if(j == BOARD_RGHT+1)
6514 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6515 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6516 if(message[0] == '+' || message[0] == '~') {
6517 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6518 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6519 AAA + j, ONE + i - '0');
6521 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6522 message[1] = BOARD_RGHT - 1 - j + '1';
6523 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6525 SendToProgram(message, cps);
6530 SendToProgram("c\n", cps);
6531 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6532 bp = &boards[moveNum][i][left];
6533 for (j = left; j < right; j++, bp++) {
6534 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6535 if (((int) *bp != (int) EmptySquare)
6536 && ((int) *bp >= (int) BlackPawn)) {
6537 if(j == BOARD_LEFT-2)
6538 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6539 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6540 AAA + j, ONE + i - '0');
6541 if(message[0] == '+' || message[0] == '~') {
6542 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6543 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6544 AAA + j, ONE + i - '0');
6546 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6547 message[1] = BOARD_RGHT - 1 - j + '1';
6548 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6550 SendToProgram(message, cps);
6555 SendToProgram(".\n", cps);
6557 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6560 char exclusionHeader[MSG_SIZ];
6561 int exCnt, excludePtr;
6562 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6563 static Exclusion excluTab[200];
6564 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6570 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6571 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6577 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6578 excludePtr = 24; exCnt = 0;
6583 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6584 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6585 char buf[2*MOVE_LEN], *p;
6586 Exclusion *e = excluTab;
6588 for(i=0; i<exCnt; i++)
6589 if(e[i].ff == fromX && e[i].fr == fromY &&
6590 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6591 if(i == exCnt) { // was not in exclude list; add it
6592 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6593 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6594 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6597 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6598 excludePtr++; e[i].mark = excludePtr++;
6599 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6602 exclusionHeader[e[i].mark] = state;
6606 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6607 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6611 if((signed char)promoChar == -1) { // kludge to indicate best move
6612 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6613 return 1; // if unparsable, abort
6615 // update exclusion map (resolving toggle by consulting existing state)
6616 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6618 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6619 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6620 excludeMap[k] |= 1<<j;
6621 else excludeMap[k] &= ~(1<<j);
6623 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6625 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6626 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6628 return (state == '+');
6632 ExcludeClick (int index)
6635 Exclusion *e = excluTab;
6636 if(index < 25) { // none, best or tail clicked
6637 if(index < 13) { // none: include all
6638 WriteMap(0); // clear map
6639 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6640 SendToBoth("include all\n"); // and inform engine
6641 } else if(index > 18) { // tail
6642 if(exclusionHeader[19] == '-') { // tail was excluded
6643 SendToBoth("include all\n");
6644 WriteMap(0); // clear map completely
6645 // now re-exclude selected moves
6646 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6647 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6648 } else { // tail was included or in mixed state
6649 SendToBoth("exclude all\n");
6650 WriteMap(0xFF); // fill map completely
6651 // now re-include selected moves
6652 j = 0; // count them
6653 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6654 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6655 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6658 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6661 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6662 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6663 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6670 DefaultPromoChoice (int white)
6673 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6674 gameInfo.variant == VariantMakruk)
6675 result = WhiteFerz; // no choice
6676 else if(gameInfo.variant == VariantASEAN)
6677 result = WhiteRook; // no choice
6678 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6679 result= WhiteKing; // in Suicide Q is the last thing we want
6680 else if(gameInfo.variant == VariantSpartan)
6681 result = white ? WhiteQueen : WhiteAngel;
6682 else result = WhiteQueen;
6683 if(!white) result = WHITE_TO_BLACK result;
6687 static int autoQueen; // [HGM] oneclick
6690 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6692 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6693 /* [HGM] add Shogi promotions */
6694 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6695 ChessSquare piece, partner;
6699 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6700 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6702 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6703 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6706 if(legal[toY][toX] == 4) return FALSE;
6708 piece = boards[currentMove][fromY][fromX];
6709 if(gameInfo.variant == VariantChu) {
6710 promotionZoneSize = BOARD_HEIGHT/3;
6711 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6712 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6713 } else if(gameInfo.variant == VariantShogi) {
6714 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6715 highestPromotingPiece = (int)WhiteAlfil;
6716 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6717 promotionZoneSize = 3;
6720 // Treat Lance as Pawn when it is not representing Amazon or Lance
6721 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6722 if(piece == WhiteLance) piece = WhitePawn; else
6723 if(piece == BlackLance) piece = BlackPawn;
6726 // next weed out all moves that do not touch the promotion zone at all
6727 if((int)piece >= BlackPawn) {
6728 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6730 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6731 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6733 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6734 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6735 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6739 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6741 // weed out mandatory Shogi promotions
6742 if(gameInfo.variant == VariantShogi) {
6743 if(piece >= BlackPawn) {
6744 if(toY == 0 && piece == BlackPawn ||
6745 toY == 0 && piece == BlackQueen ||
6746 toY <= 1 && piece == BlackKnight) {
6751 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6752 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6753 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6760 // weed out obviously illegal Pawn moves
6761 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6762 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6763 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6764 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6765 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6766 // note we are not allowed to test for valid (non-)capture, due to premove
6769 // we either have a choice what to promote to, or (in Shogi) whether to promote
6770 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6771 gameInfo.variant == VariantMakruk) {
6772 ChessSquare p=BlackFerz; // no choice
6773 while(p < EmptySquare) { //but make sure we use piece that exists
6774 *promoChoice = PieceToChar(p++);
6775 if(*promoChoice != '.') break;
6777 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6779 // no sense asking what we must promote to if it is going to explode...
6780 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6781 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6784 // give caller the default choice even if we will not make it
6785 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6786 partner = piece; // pieces can promote if the pieceToCharTable says so
6787 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6788 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6789 if( sweepSelect && gameInfo.variant != VariantGreat
6790 && gameInfo.variant != VariantGrand
6791 && gameInfo.variant != VariantSuper) return FALSE;
6792 if(autoQueen) return FALSE; // predetermined
6794 // suppress promotion popup on illegal moves that are not premoves
6795 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6796 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6797 if(appData.testLegality && !premove) {
6798 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6799 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6800 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6801 if(moveType != WhitePromotion && moveType != BlackPromotion)
6809 InPalace (int row, int column)
6810 { /* [HGM] for Xiangqi */
6811 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6812 column < (BOARD_WIDTH + 4)/2 &&
6813 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6818 PieceForSquare (int x, int y)
6820 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6823 return boards[currentMove][y][x];
6827 OKToStartUserMove (int x, int y)
6829 ChessSquare from_piece;
6832 if (matchMode) return FALSE;
6833 if (gameMode == EditPosition) return TRUE;
6835 if (x >= 0 && y >= 0)
6836 from_piece = boards[currentMove][y][x];
6838 from_piece = EmptySquare;
6840 if (from_piece == EmptySquare) return FALSE;
6842 white_piece = (int)from_piece >= (int)WhitePawn &&
6843 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6847 case TwoMachinesPlay:
6855 case MachinePlaysWhite:
6856 case IcsPlayingBlack:
6857 if (appData.zippyPlay) return FALSE;
6859 DisplayMoveError(_("You are playing Black"));
6864 case MachinePlaysBlack:
6865 case IcsPlayingWhite:
6866 if (appData.zippyPlay) return FALSE;
6868 DisplayMoveError(_("You are playing White"));
6873 case PlayFromGameFile:
6874 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6877 if (!white_piece && WhiteOnMove(currentMove)) {
6878 DisplayMoveError(_("It is White's turn"));
6881 if (white_piece && !WhiteOnMove(currentMove)) {
6882 DisplayMoveError(_("It is Black's turn"));
6885 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6886 /* Editing correspondence game history */
6887 /* Could disallow this or prompt for confirmation */
6892 case BeginningOfGame:
6893 if (appData.icsActive) return FALSE;
6894 if (!appData.noChessProgram) {
6896 DisplayMoveError(_("You are playing White"));
6903 if (!white_piece && WhiteOnMove(currentMove)) {
6904 DisplayMoveError(_("It is White's turn"));
6907 if (white_piece && !WhiteOnMove(currentMove)) {
6908 DisplayMoveError(_("It is Black's turn"));
6917 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6918 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6919 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6920 && gameMode != AnalyzeFile && gameMode != Training) {
6921 DisplayMoveError(_("Displayed position is not current"));
6928 OnlyMove (int *x, int *y, Boolean captures)
6930 DisambiguateClosure cl;
6931 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6933 case MachinePlaysBlack:
6934 case IcsPlayingWhite:
6935 case BeginningOfGame:
6936 if(!WhiteOnMove(currentMove)) return FALSE;
6938 case MachinePlaysWhite:
6939 case IcsPlayingBlack:
6940 if(WhiteOnMove(currentMove)) return FALSE;
6947 cl.pieceIn = EmptySquare;
6952 cl.promoCharIn = NULLCHAR;
6953 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6954 if( cl.kind == NormalMove ||
6955 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6956 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6957 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6964 if(cl.kind != ImpossibleMove) return FALSE;
6965 cl.pieceIn = EmptySquare;
6970 cl.promoCharIn = NULLCHAR;
6971 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6972 if( cl.kind == NormalMove ||
6973 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6974 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6975 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6980 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6986 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6987 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6988 int lastLoadGameUseList = FALSE;
6989 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6990 ChessMove lastLoadGameStart = EndOfFile;
6992 Boolean addToBookFlag;
6993 static Board rightsBoard, nullBoard;
6996 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7000 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7002 /* Check if the user is playing in turn. This is complicated because we
7003 let the user "pick up" a piece before it is his turn. So the piece he
7004 tried to pick up may have been captured by the time he puts it down!
7005 Therefore we use the color the user is supposed to be playing in this
7006 test, not the color of the piece that is currently on the starting
7007 square---except in EditGame mode, where the user is playing both
7008 sides; fortunately there the capture race can't happen. (It can
7009 now happen in IcsExamining mode, but that's just too bad. The user
7010 will get a somewhat confusing message in that case.)
7015 case TwoMachinesPlay:
7019 /* We switched into a game mode where moves are not accepted,
7020 perhaps while the mouse button was down. */
7023 case MachinePlaysWhite:
7024 /* User is moving for Black */
7025 if (WhiteOnMove(currentMove)) {
7026 DisplayMoveError(_("It is White's turn"));
7031 case MachinePlaysBlack:
7032 /* User is moving for White */
7033 if (!WhiteOnMove(currentMove)) {
7034 DisplayMoveError(_("It is Black's turn"));
7039 case PlayFromGameFile:
7040 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7043 case BeginningOfGame:
7046 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7047 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7048 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7049 /* User is moving for Black */
7050 if (WhiteOnMove(currentMove)) {
7051 DisplayMoveError(_("It is White's turn"));
7055 /* User is moving for White */
7056 if (!WhiteOnMove(currentMove)) {
7057 DisplayMoveError(_("It is Black's turn"));
7063 case IcsPlayingBlack:
7064 /* User is moving for Black */
7065 if (WhiteOnMove(currentMove)) {
7066 if (!appData.premove) {
7067 DisplayMoveError(_("It is White's turn"));
7068 } else if (toX >= 0 && toY >= 0) {
7071 premoveFromX = fromX;
7072 premoveFromY = fromY;
7073 premovePromoChar = promoChar;
7075 if (appData.debugMode)
7076 fprintf(debugFP, "Got premove: fromX %d,"
7077 "fromY %d, toX %d, toY %d\n",
7078 fromX, fromY, toX, toY);
7080 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7085 case IcsPlayingWhite:
7086 /* User is moving for White */
7087 if (!WhiteOnMove(currentMove)) {
7088 if (!appData.premove) {
7089 DisplayMoveError(_("It is Black's turn"));
7090 } else if (toX >= 0 && toY >= 0) {
7093 premoveFromX = fromX;
7094 premoveFromY = fromY;
7095 premovePromoChar = promoChar;
7097 if (appData.debugMode)
7098 fprintf(debugFP, "Got premove: fromX %d,"
7099 "fromY %d, toX %d, toY %d\n",
7100 fromX, fromY, toX, toY);
7102 DrawPosition(TRUE, boards[currentMove]);
7111 /* EditPosition, empty square, or different color piece;
7112 click-click move is possible */
7113 if (toX == -2 || toY == -2) {
7114 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7115 DrawPosition(FALSE, boards[currentMove]);
7117 } else if (toX >= 0 && toY >= 0) {
7118 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7119 ChessSquare p = boards[0][rf][ff];
7120 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7121 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7122 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7123 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7124 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7127 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7128 boards[0][toY][toX] = boards[0][fromY][fromX];
7129 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7130 if(boards[0][fromY][0] != EmptySquare) {
7131 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7132 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7135 if(fromX == BOARD_RGHT+1) {
7136 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7137 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7138 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7141 boards[0][fromY][fromX] = gatingPiece;
7143 DrawPosition(FALSE, boards[currentMove]);
7149 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7150 pup = boards[currentMove][toY][toX];
7152 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7153 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7154 if( pup != EmptySquare ) return;
7155 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7156 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7157 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7158 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7159 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7160 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7161 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7165 /* [HGM] always test for legality, to get promotion info */
7166 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7167 fromY, fromX, toY, toX, promoChar);
7169 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7171 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7173 /* [HGM] but possibly ignore an IllegalMove result */
7174 if (appData.testLegality) {
7175 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7176 DisplayMoveError(_("Illegal move"));
7181 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7182 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7183 ClearPremoveHighlights(); // was included
7184 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7185 DrawPosition(FALSE, NULL);
7189 if(addToBookFlag) { // adding moves to book
7190 char buf[MSG_SIZ], move[MSG_SIZ];
7191 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7192 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7193 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7194 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7196 addToBookFlag = FALSE;
7201 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7204 /* Common tail of UserMoveEvent and DropMenuEvent */
7206 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7210 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7211 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7212 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7213 if(WhiteOnMove(currentMove)) {
7214 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7216 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7220 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7221 move type in caller when we know the move is a legal promotion */
7222 if(moveType == NormalMove && promoChar)
7223 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7225 /* [HGM] <popupFix> The following if has been moved here from
7226 UserMoveEvent(). Because it seemed to belong here (why not allow
7227 piece drops in training games?), and because it can only be
7228 performed after it is known to what we promote. */
7229 if (gameMode == Training) {
7230 /* compare the move played on the board to the next move in the
7231 * game. If they match, display the move and the opponent's response.
7232 * If they don't match, display an error message.
7236 CopyBoard(testBoard, boards[currentMove]);
7237 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7239 if (CompareBoards(testBoard, boards[currentMove+1])) {
7240 ForwardInner(currentMove+1);
7242 /* Autoplay the opponent's response.
7243 * if appData.animate was TRUE when Training mode was entered,
7244 * the response will be animated.
7246 saveAnimate = appData.animate;
7247 appData.animate = animateTraining;
7248 ForwardInner(currentMove+1);
7249 appData.animate = saveAnimate;
7251 /* check for the end of the game */
7252 if (currentMove >= forwardMostMove) {
7253 gameMode = PlayFromGameFile;
7255 SetTrainingModeOff();
7256 DisplayInformation(_("End of game"));
7259 DisplayError(_("Incorrect move"), 0);
7264 /* Ok, now we know that the move is good, so we can kill
7265 the previous line in Analysis Mode */
7266 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7267 && currentMove < forwardMostMove) {
7268 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7269 else forwardMostMove = currentMove;
7274 /* If we need the chess program but it's dead, restart it */
7275 ResurrectChessProgram();
7277 /* A user move restarts a paused game*/
7281 thinkOutput[0] = NULLCHAR;
7283 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7285 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7286 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7290 if (gameMode == BeginningOfGame) {
7291 if (appData.noChessProgram) {
7292 gameMode = EditGame;
7296 gameMode = MachinePlaysBlack;
7299 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7301 if (first.sendName) {
7302 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7303 SendToProgram(buf, &first);
7310 /* Relay move to ICS or chess engine */
7311 if (appData.icsActive) {
7312 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7313 gameMode == IcsExamining) {
7314 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7315 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7317 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7319 // also send plain move, in case ICS does not understand atomic claims
7320 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7324 if (first.sendTime && (gameMode == BeginningOfGame ||
7325 gameMode == MachinePlaysWhite ||
7326 gameMode == MachinePlaysBlack)) {
7327 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7329 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7330 // [HGM] book: if program might be playing, let it use book
7331 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7332 first.maybeThinking = TRUE;
7333 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7334 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7335 SendBoard(&first, currentMove+1);
7336 if(second.analyzing) {
7337 if(!second.useSetboard) SendToProgram("undo\n", &second);
7338 SendBoard(&second, currentMove+1);
7341 SendMoveToProgram(forwardMostMove-1, &first);
7342 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7344 if (currentMove == cmailOldMove + 1) {
7345 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7349 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7353 if(appData.testLegality)
7354 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7360 if (WhiteOnMove(currentMove)) {
7361 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7363 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7367 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7372 case MachinePlaysBlack:
7373 case MachinePlaysWhite:
7374 /* disable certain menu options while machine is thinking */
7375 SetMachineThinkingEnables();
7382 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7383 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7385 if(bookHit) { // [HGM] book: simulate book reply
7386 static char bookMove[MSG_SIZ]; // a bit generous?
7388 programStats.nodes = programStats.depth = programStats.time =
7389 programStats.score = programStats.got_only_move = 0;
7390 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7392 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7393 strcat(bookMove, bookHit);
7394 HandleMachineMove(bookMove, &first);
7400 MarkByFEN(char *fen)
7403 if(!appData.markers || !appData.highlightDragging) return;
7404 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7405 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7408 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7409 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7410 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7411 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7412 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7413 if(*fen == 'T') marker[r][f++] = 0; else
7414 if(*fen == 'Y') marker[r][f++] = 1; else
7415 if(*fen == 'G') marker[r][f++] = 3; else
7416 if(*fen == 'B') marker[r][f++] = 4; else
7417 if(*fen == 'C') marker[r][f++] = 5; else
7418 if(*fen == 'M') marker[r][f++] = 6; else
7419 if(*fen == 'W') marker[r][f++] = 7; else
7420 if(*fen == 'D') marker[r][f++] = 8; else
7421 if(*fen == 'R') marker[r][f++] = 2; else {
7422 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7425 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7429 DrawPosition(TRUE, NULL);
7432 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7435 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7437 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7438 Markers *m = (Markers *) closure;
7439 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7440 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7441 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7442 || kind == WhiteCapturesEnPassant
7443 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7444 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7447 static int hoverSavedValid;
7450 MarkTargetSquares (int clear)
7453 if(clear) { // no reason to ever suppress clearing
7454 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7455 hoverSavedValid = 0;
7456 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7459 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7460 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7461 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7462 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7463 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7465 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7468 DrawPosition(FALSE, NULL);
7472 Explode (Board board, int fromX, int fromY, int toX, int toY)
7474 if(gameInfo.variant == VariantAtomic &&
7475 (board[toY][toX] != EmptySquare || // capture?
7476 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7477 board[fromY][fromX] == BlackPawn )
7479 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7485 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7488 CanPromote (ChessSquare piece, int y)
7490 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7491 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7492 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7493 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7494 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7495 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7496 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7497 return (piece == BlackPawn && y <= zone ||
7498 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7499 piece == BlackLance && y <= zone ||
7500 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7504 HoverEvent (int xPix, int yPix, int x, int y)
7506 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7508 if(!first.highlight) return;
7509 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7510 if(x == oldX && y == oldY) return; // only do something if we enter new square
7511 oldFromX = fromX; oldFromY = fromY;
7512 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7513 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7514 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7515 hoverSavedValid = 1;
7516 } else if(oldX != x || oldY != y) {
7517 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7518 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7519 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7520 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7521 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7523 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7524 SendToProgram(buf, &first);
7527 // SetHighlights(fromX, fromY, x, y);
7531 void ReportClick(char *action, int x, int y)
7533 char buf[MSG_SIZ]; // Inform engine of what user does
7535 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7536 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7537 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7538 if(!first.highlight || gameMode == EditPosition) return;
7539 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7540 SendToProgram(buf, &first);
7543 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7544 Boolean deferChoice;
7547 LeftClick (ClickType clickType, int xPix, int yPix)
7550 static Boolean saveAnimate;
7551 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7552 char promoChoice = NULLCHAR;
7554 static TimeMark lastClickTime, prevClickTime;
7556 if(flashing) return;
7558 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7559 x = EventToSquare(xPix, BOARD_WIDTH);
7560 y = EventToSquare(yPix, BOARD_HEIGHT);
7561 if (!flipView && y >= 0) {
7562 y = BOARD_HEIGHT - 1 - y;
7564 if (flipView && x >= 0) {
7565 x = BOARD_WIDTH - 1 - x;
7568 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7570 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7575 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7577 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7579 if (clickType == Press) ErrorPopDown();
7580 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7582 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7583 defaultPromoChoice = promoSweep;
7584 promoSweep = EmptySquare; // terminate sweep
7585 promoDefaultAltered = TRUE;
7586 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7589 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7590 if(clickType == Release) return; // ignore upclick of click-click destination
7591 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7592 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7593 if(gameInfo.holdingsWidth &&
7594 (WhiteOnMove(currentMove)
7595 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7596 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7597 // click in right holdings, for determining promotion piece
7598 ChessSquare p = boards[currentMove][y][x];
7599 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7600 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7601 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7602 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7607 DrawPosition(FALSE, boards[currentMove]);
7611 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7612 if(clickType == Press
7613 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7614 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7615 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7618 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7619 // could be static click on premove from-square: abort premove
7621 ClearPremoveHighlights();
7624 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7625 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7627 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7628 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7629 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7630 defaultPromoChoice = DefaultPromoChoice(side);
7633 autoQueen = appData.alwaysPromoteToQueen;
7637 gatingPiece = EmptySquare;
7638 if (clickType != Press) {
7639 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7640 DragPieceEnd(xPix, yPix); dragging = 0;
7641 DrawPosition(FALSE, NULL);
7645 doubleClick = FALSE;
7646 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7647 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7649 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7650 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7651 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7652 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7654 if (OKToStartUserMove(fromX, fromY)) {
7656 ReportClick("lift", x, y);
7657 MarkTargetSquares(0);
7658 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7659 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7660 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7661 promoSweep = defaultPromoChoice;
7662 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7663 Sweep(0); // Pawn that is going to promote: preview promotion piece
7664 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7666 if (appData.highlightDragging) {
7667 SetHighlights(fromX, fromY, -1, -1);
7671 } else fromX = fromY = -1;
7677 if (clickType == Press && gameMode != EditPosition) {
7682 // ignore off-board to clicks
7683 if(y < 0 || x < 0) return;
7685 /* Check if clicking again on the same color piece */
7686 fromP = boards[currentMove][fromY][fromX];
7687 toP = boards[currentMove][y][x];
7688 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7689 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7690 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7691 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7692 WhitePawn <= toP && toP <= WhiteKing &&
7693 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7694 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7695 (BlackPawn <= fromP && fromP <= BlackKing &&
7696 BlackPawn <= toP && toP <= BlackKing &&
7697 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7698 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7699 /* Clicked again on same color piece -- changed his mind */
7700 second = (x == fromX && y == fromY);
7701 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7702 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7703 second = FALSE; // first double-click rather than scond click
7704 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7706 promoDefaultAltered = FALSE;
7707 if(!second) MarkTargetSquares(1);
7708 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7709 if (appData.highlightDragging) {
7710 SetHighlights(x, y, -1, -1);
7714 if (OKToStartUserMove(x, y)) {
7715 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7716 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7717 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7718 gatingPiece = boards[currentMove][fromY][fromX];
7719 else gatingPiece = doubleClick ? fromP : EmptySquare;
7721 fromY = y; dragging = 1;
7722 if(!second) ReportClick("lift", x, y);
7723 MarkTargetSquares(0);
7724 DragPieceBegin(xPix, yPix, FALSE);
7725 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7726 promoSweep = defaultPromoChoice;
7727 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7728 Sweep(0); // Pawn that is going to promote: preview promotion piece
7732 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7735 // ignore clicks on holdings
7736 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7739 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7740 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7741 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7745 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7746 DragPieceEnd(xPix, yPix); dragging = 0;
7748 // a deferred attempt to click-click move an empty square on top of a piece
7749 boards[currentMove][y][x] = EmptySquare;
7751 DrawPosition(FALSE, boards[currentMove]);
7752 fromX = fromY = -1; clearFlag = 0;
7755 if (appData.animateDragging) {
7756 /* Undo animation damage if any */
7757 DrawPosition(FALSE, NULL);
7760 /* Second up/down in same square; just abort move */
7763 gatingPiece = EmptySquare;
7766 ClearPremoveHighlights();
7767 MarkTargetSquares(-1);
7768 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7770 /* First upclick in same square; start click-click mode */
7771 SetHighlights(x, y, -1, -1);
7778 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7779 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7780 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7781 DisplayMessage(_("only marked squares are legal"),"");
7782 DrawPosition(TRUE, NULL);
7783 return; // ignore to-click
7786 /* we now have a different from- and (possibly off-board) to-square */
7787 /* Completed move */
7788 if(!sweepSelecting) {
7793 piece = boards[currentMove][fromY][fromX];
7795 saveAnimate = appData.animate;
7796 if (clickType == Press) {
7797 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7798 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7799 // must be Edit Position mode with empty-square selected
7800 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7801 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7804 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7807 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7808 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7810 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7811 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7812 if(appData.sweepSelect) {
7813 promoSweep = defaultPromoChoice;
7814 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7815 selectFlag = 0; lastX = xPix; lastY = yPix;
7816 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7817 saveFlash = appData.flashCount; appData.flashCount = 0;
7818 Sweep(0); // Pawn that is going to promote: preview promotion piece
7820 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7821 MarkTargetSquares(1);
7823 return; // promo popup appears on up-click
7825 /* Finish clickclick move */
7826 if (appData.animate || appData.highlightLastMove) {
7827 SetHighlights(fromX, fromY, toX, toY);
7831 MarkTargetSquares(1);
7832 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7833 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7834 *promoRestrict = 0; appData.flashCount = saveFlash;
7835 if (appData.animate || appData.highlightLastMove) {
7836 SetHighlights(fromX, fromY, toX, toY);
7840 MarkTargetSquares(1);
7843 // [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
7844 /* Finish drag move */
7845 if (appData.highlightLastMove) {
7846 SetHighlights(fromX, fromY, toX, toY);
7851 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7852 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7853 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7854 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7855 dragging *= 2; // flag button-less dragging if we are dragging
7856 MarkTargetSquares(1);
7857 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7859 kill2X = killX; kill2Y = killY;
7860 killX = x; killY = y; // remember this square as intermediate
7861 ReportClick("put", x, y); // and inform engine
7862 ReportClick("lift", x, y);
7863 MarkTargetSquares(0);
7867 DragPieceEnd(xPix, yPix); dragging = 0;
7868 /* Don't animate move and drag both */
7869 appData.animate = FALSE;
7870 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7873 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7874 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7875 ChessSquare piece = boards[currentMove][fromY][fromX];
7876 if(gameMode == EditPosition && piece != EmptySquare &&
7877 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7880 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7881 n = PieceToNumber(piece - (int)BlackPawn);
7882 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7883 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7884 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7886 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7887 n = PieceToNumber(piece);
7888 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7889 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7890 boards[currentMove][n][BOARD_WIDTH-2]++;
7892 boards[currentMove][fromY][fromX] = EmptySquare;
7896 MarkTargetSquares(1);
7897 DrawPosition(TRUE, boards[currentMove]);
7901 // off-board moves should not be highlighted
7902 if(x < 0 || y < 0) {
7904 DrawPosition(FALSE, NULL);
7905 } else ReportClick("put", x, y);
7907 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7910 if(legal[toY][toX] == 2) { // highlight-induced promotion
7911 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7912 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7913 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7914 if(!*promoRestrict) { // but has not done that yet
7915 deferChoice = TRUE; // set up retry for when it does
7916 return; // and wait for that
7918 promoChoice = ToLower(*promoRestrict); // force engine's choice
7919 deferChoice = FALSE;
7922 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7923 SetHighlights(fromX, fromY, toX, toY);
7924 MarkTargetSquares(1);
7925 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7926 // [HGM] super: promotion to captured piece selected from holdings
7927 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7928 promotionChoice = TRUE;
7929 // kludge follows to temporarily execute move on display, without promoting yet
7930 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7931 boards[currentMove][toY][toX] = p;
7932 DrawPosition(FALSE, boards[currentMove]);
7933 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7934 boards[currentMove][toY][toX] = q;
7935 DisplayMessage("Click in holdings to choose piece", "");
7938 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7939 PromotionPopUp(promoChoice);
7941 int oldMove = currentMove;
7942 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7943 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7944 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7945 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7946 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7947 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7948 DrawPosition(TRUE, boards[currentMove]);
7949 else DrawPosition(FALSE, NULL);
7953 appData.animate = saveAnimate;
7954 if (appData.animate || appData.animateDragging) {
7955 /* Undo animation damage if needed */
7956 // DrawPosition(FALSE, NULL);
7961 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7962 { // front-end-free part taken out of PieceMenuPopup
7963 int whichMenu; int xSqr, ySqr;
7965 if(seekGraphUp) { // [HGM] seekgraph
7966 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7967 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7971 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7972 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7973 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7974 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7975 if(action == Press) {
7976 originalFlip = flipView;
7977 flipView = !flipView; // temporarily flip board to see game from partners perspective
7978 DrawPosition(TRUE, partnerBoard);
7979 DisplayMessage(partnerStatus, "");
7981 } else if(action == Release) {
7982 flipView = originalFlip;
7983 DrawPosition(TRUE, boards[currentMove]);
7989 xSqr = EventToSquare(x, BOARD_WIDTH);
7990 ySqr = EventToSquare(y, BOARD_HEIGHT);
7991 if (action == Release) {
7992 if(pieceSweep != EmptySquare) {
7993 EditPositionMenuEvent(pieceSweep, toX, toY);
7994 pieceSweep = EmptySquare;
7995 } else UnLoadPV(); // [HGM] pv
7997 if (action != Press) return -2; // return code to be ignored
8000 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8002 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8003 if (xSqr < 0 || ySqr < 0) return -1;
8004 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8005 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8006 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8007 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8011 if(!appData.icsEngineAnalyze) return -1;
8012 case IcsPlayingWhite:
8013 case IcsPlayingBlack:
8014 if(!appData.zippyPlay) goto noZip;
8017 case MachinePlaysWhite:
8018 case MachinePlaysBlack:
8019 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8020 if (!appData.dropMenu) {
8022 return 2; // flag front-end to grab mouse events
8024 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8025 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8028 if (xSqr < 0 || ySqr < 0) return -1;
8029 if (!appData.dropMenu || appData.testLegality &&
8030 gameInfo.variant != VariantBughouse &&
8031 gameInfo.variant != VariantCrazyhouse) return -1;
8032 whichMenu = 1; // drop menu
8038 if (((*fromX = xSqr) < 0) ||
8039 ((*fromY = ySqr) < 0)) {
8040 *fromX = *fromY = -1;
8044 *fromX = BOARD_WIDTH - 1 - *fromX;
8046 *fromY = BOARD_HEIGHT - 1 - *fromY;
8052 Wheel (int dir, int x, int y)
8054 if(gameMode == EditPosition) {
8055 int xSqr = EventToSquare(x, BOARD_WIDTH);
8056 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8057 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8058 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8060 boards[currentMove][ySqr][xSqr] += dir;
8061 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8062 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8063 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8064 DrawPosition(FALSE, boards[currentMove]);
8065 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8069 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8071 // char * hint = lastHint;
8072 FrontEndProgramStats stats;
8074 stats.which = cps == &first ? 0 : 1;
8075 stats.depth = cpstats->depth;
8076 stats.nodes = cpstats->nodes;
8077 stats.score = cpstats->score;
8078 stats.time = cpstats->time;
8079 stats.pv = cpstats->movelist;
8080 stats.hint = lastHint;
8081 stats.an_move_index = 0;
8082 stats.an_move_count = 0;
8084 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8085 stats.hint = cpstats->move_name;
8086 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8087 stats.an_move_count = cpstats->nr_moves;
8090 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
8092 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8093 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8095 SetProgramStats( &stats );
8099 ClearEngineOutputPane (int which)
8101 static FrontEndProgramStats dummyStats;
8102 dummyStats.which = which;
8103 dummyStats.pv = "#";
8104 SetProgramStats( &dummyStats );
8107 #define MAXPLAYERS 500
8110 TourneyStandings (int display)
8112 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8113 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8114 char result, *p, *names[MAXPLAYERS];
8116 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8117 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8118 names[0] = p = strdup(appData.participants);
8119 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8121 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8123 while(result = appData.results[nr]) {
8124 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8125 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8126 wScore = bScore = 0;
8128 case '+': wScore = 2; break;
8129 case '-': bScore = 2; break;
8130 case '=': wScore = bScore = 1; break;
8132 case '*': return strdup("busy"); // tourney not finished
8140 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8141 for(w=0; w<nPlayers; w++) {
8143 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8144 ranking[w] = b; points[w] = bScore; score[b] = -2;
8146 p = malloc(nPlayers*34+1);
8147 for(w=0; w<nPlayers && w<display; w++)
8148 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8154 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8155 { // count all piece types
8157 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8158 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8159 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8162 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8163 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8164 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8165 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8166 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8167 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8172 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8174 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8175 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8177 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8178 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8179 if(myPawns == 2 && nMine == 3) // KPP
8180 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8181 if(myPawns == 1 && nMine == 2) // KP
8182 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8183 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8184 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8185 if(myPawns) return FALSE;
8186 if(pCnt[WhiteRook+side])
8187 return pCnt[BlackRook-side] ||
8188 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8189 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8190 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8191 if(pCnt[WhiteCannon+side]) {
8192 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8193 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8195 if(pCnt[WhiteKnight+side])
8196 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8201 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8203 VariantClass v = gameInfo.variant;
8205 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8206 if(v == VariantShatranj) return TRUE; // always winnable through baring
8207 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8208 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8210 if(v == VariantXiangqi) {
8211 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8213 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8214 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8215 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8216 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8217 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8218 if(stale) // we have at least one last-rank P plus perhaps C
8219 return majors // KPKX
8220 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8222 return pCnt[WhiteFerz+side] // KCAK
8223 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8224 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8225 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8227 } else if(v == VariantKnightmate) {
8228 if(nMine == 1) return FALSE;
8229 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8230 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8231 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8233 if(nMine == 1) return FALSE; // bare King
8234 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
8235 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8236 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8237 // by now we have King + 1 piece (or multiple Bishops on the same color)
8238 if(pCnt[WhiteKnight+side])
8239 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8240 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8241 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8243 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8244 if(pCnt[WhiteAlfil+side])
8245 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8246 if(pCnt[WhiteWazir+side])
8247 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8254 CompareWithRights (Board b1, Board b2)
8257 if(!CompareBoards(b1, b2)) return FALSE;
8258 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8259 /* compare castling rights */
8260 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8261 rights++; /* King lost rights, while rook still had them */
8262 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8263 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8264 rights++; /* but at least one rook lost them */
8266 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8268 if( b1[CASTLING][5] != NoRights ) {
8269 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8276 Adjudicate (ChessProgramState *cps)
8277 { // [HGM] some adjudications useful with buggy engines
8278 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8279 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8280 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8281 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8282 int k, drop, count = 0; static int bare = 1;
8283 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8284 Boolean canAdjudicate = !appData.icsActive;
8286 // most tests only when we understand the game, i.e. legality-checking on
8287 if( appData.testLegality )
8288 { /* [HGM] Some more adjudications for obstinate engines */
8289 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8290 static int moveCount = 6;
8292 char *reason = NULL;
8294 /* Count what is on board. */
8295 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8297 /* Some material-based adjudications that have to be made before stalemate test */
8298 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8299 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8300 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8301 if(canAdjudicate && appData.checkMates) {
8303 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8304 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8305 "Xboard adjudication: King destroyed", GE_XBOARD );
8310 /* Bare King in Shatranj (loses) or Losers (wins) */
8311 if( nrW == 1 || nrB == 1) {
8312 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8313 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8314 if(canAdjudicate && appData.checkMates) {
8316 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8317 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8318 "Xboard adjudication: Bare king", GE_XBOARD );
8322 if( gameInfo.variant == VariantShatranj && --bare < 0)
8324 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8325 if(canAdjudicate && appData.checkMates) {
8326 /* but only adjudicate if adjudication enabled */
8328 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8329 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8330 "Xboard adjudication: Bare king", GE_XBOARD );
8337 // don't wait for engine to announce game end if we can judge ourselves
8338 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8340 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8341 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8342 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8343 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8346 reason = "Xboard adjudication: 3rd check";
8347 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8358 reason = "Xboard adjudication: Stalemate";
8359 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8360 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8361 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8362 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8363 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8364 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8365 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8366 EP_CHECKMATE : EP_WINS);
8367 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8368 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8372 reason = "Xboard adjudication: Checkmate";
8373 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8374 if(gameInfo.variant == VariantShogi) {
8375 if(forwardMostMove > backwardMostMove
8376 && moveList[forwardMostMove-1][1] == '@'
8377 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8378 reason = "XBoard adjudication: pawn-drop mate";
8379 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8385 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8387 result = GameIsDrawn; break;
8389 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8391 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8395 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8397 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8398 GameEnds( result, reason, GE_XBOARD );
8402 /* Next absolutely insufficient mating material. */
8403 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8404 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8405 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8407 /* always flag draws, for judging claims */
8408 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8410 if(canAdjudicate && appData.materialDraws) {
8411 /* but only adjudicate them if adjudication enabled */
8412 if(engineOpponent) {
8413 SendToProgram("force\n", engineOpponent); // suppress reply
8414 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8416 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8421 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8422 if(gameInfo.variant == VariantXiangqi ?
8423 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8425 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8426 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8427 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8428 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8430 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8431 { /* if the first 3 moves do not show a tactical win, declare draw */
8432 if(engineOpponent) {
8433 SendToProgram("force\n", engineOpponent); // suppress reply
8434 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8436 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8439 } else moveCount = 6;
8442 // Repetition draws and 50-move rule can be applied independently of legality testing
8444 /* Check for rep-draws */
8446 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8447 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8448 for(k = forwardMostMove-2;
8449 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8450 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8451 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8454 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8455 /* compare castling rights */
8456 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8457 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8458 rights++; /* King lost rights, while rook still had them */
8459 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8460 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8461 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8462 rights++; /* but at least one rook lost them */
8464 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8465 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8467 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8468 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8469 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8472 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8473 && appData.drawRepeats > 1) {
8474 /* adjudicate after user-specified nr of repeats */
8475 int result = GameIsDrawn;
8476 char *details = "XBoard adjudication: repetition draw";
8477 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8478 // [HGM] xiangqi: check for forbidden perpetuals
8479 int m, ourPerpetual = 1, hisPerpetual = 1;
8480 for(m=forwardMostMove; m>k; m-=2) {
8481 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8482 ourPerpetual = 0; // the current mover did not always check
8483 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8484 hisPerpetual = 0; // the opponent did not always check
8486 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8487 ourPerpetual, hisPerpetual);
8488 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8489 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8490 details = "Xboard adjudication: perpetual checking";
8492 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8493 break; // (or we would have caught him before). Abort repetition-checking loop.
8495 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8496 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8498 details = "Xboard adjudication: repetition";
8500 } else // it must be XQ
8501 // Now check for perpetual chases
8502 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8503 hisPerpetual = PerpetualChase(k, forwardMostMove);
8504 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8505 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8506 static char resdet[MSG_SIZ];
8507 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8509 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8511 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8512 break; // Abort repetition-checking loop.
8514 // if neither of us is checking or chasing all the time, or both are, it is draw
8516 if(engineOpponent) {
8517 SendToProgram("force\n", engineOpponent); // suppress reply
8518 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8520 GameEnds( result, details, GE_XBOARD );
8523 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8524 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8528 /* Now we test for 50-move draws. Determine ply count */
8529 count = forwardMostMove;
8530 /* look for last irreversble move */
8531 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8533 /* if we hit starting position, add initial plies */
8534 if( count == backwardMostMove )
8535 count -= initialRulePlies;
8536 count = forwardMostMove - count;
8537 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8538 // adjust reversible move counter for checks in Xiangqi
8539 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8540 if(i < backwardMostMove) i = backwardMostMove;
8541 while(i <= forwardMostMove) {
8542 lastCheck = inCheck; // check evasion does not count
8543 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8544 if(inCheck || lastCheck) count--; // check does not count
8549 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8550 /* this is used to judge if draw claims are legal */
8551 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8552 if(engineOpponent) {
8553 SendToProgram("force\n", engineOpponent); // suppress reply
8554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8556 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8560 /* if draw offer is pending, treat it as a draw claim
8561 * when draw condition present, to allow engines a way to
8562 * claim draws before making their move to avoid a race
8563 * condition occurring after their move
8565 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8567 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8568 p = "Draw claim: 50-move rule";
8569 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8570 p = "Draw claim: 3-fold repetition";
8571 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8572 p = "Draw claim: insufficient mating material";
8573 if( p != NULL && canAdjudicate) {
8574 if(engineOpponent) {
8575 SendToProgram("force\n", engineOpponent); // suppress reply
8576 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8578 GameEnds( GameIsDrawn, p, GE_XBOARD );
8583 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8584 if(engineOpponent) {
8585 SendToProgram("force\n", engineOpponent); // suppress reply
8586 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8588 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8594 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8595 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8596 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8601 int pieces[10], squares[10], cnt=0, r, f, res;
8603 static PPROBE_EGBB probeBB;
8604 if(!appData.testLegality) return 10;
8605 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8606 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8607 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8608 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8609 ChessSquare piece = boards[forwardMostMove][r][f];
8610 int black = (piece >= BlackPawn);
8611 int type = piece - black*BlackPawn;
8612 if(piece == EmptySquare) continue;
8613 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8614 if(type == WhiteKing) type = WhiteQueen + 1;
8615 type = egbbCode[type];
8616 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8617 pieces[cnt] = type + black*6;
8618 if(++cnt > 5) return 11;
8620 pieces[cnt] = squares[cnt] = 0;
8622 if(loaded == 2) return 13; // loading failed before
8624 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8627 loaded = 2; // prepare for failure
8628 if(!path) return 13; // no egbb installed
8629 strncpy(buf, path + 8, MSG_SIZ);
8630 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8631 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8632 lib = LoadLibrary(buf);
8633 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8634 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8635 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8636 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8637 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8638 loaded = 1; // success!
8640 res = probeBB(forwardMostMove & 1, pieces, squares);
8641 return res > 0 ? 1 : res < 0 ? -1 : 0;
8645 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8646 { // [HGM] book: this routine intercepts moves to simulate book replies
8647 char *bookHit = NULL;
8649 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8651 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8652 SendToProgram(buf, cps);
8654 //first determine if the incoming move brings opponent into his book
8655 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8656 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8657 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8658 if(bookHit != NULL && !cps->bookSuspend) {
8659 // make sure opponent is not going to reply after receiving move to book position
8660 SendToProgram("force\n", cps);
8661 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8663 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8664 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8665 // now arrange restart after book miss
8667 // after a book hit we never send 'go', and the code after the call to this routine
8668 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8669 char buf[MSG_SIZ], *move = bookHit;
8671 int fromX, fromY, toX, toY;
8675 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8676 &fromX, &fromY, &toX, &toY, &promoChar)) {
8677 (void) CoordsToAlgebraic(boards[forwardMostMove],
8678 PosFlags(forwardMostMove),
8679 fromY, fromX, toY, toX, promoChar, move);
8681 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8685 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8686 SendToProgram(buf, cps);
8687 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8688 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8689 SendToProgram("go\n", cps);
8690 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8691 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8692 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8693 SendToProgram("go\n", cps);
8694 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8696 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8700 LoadError (char *errmess, ChessProgramState *cps)
8701 { // unloads engine and switches back to -ncp mode if it was first
8702 if(cps->initDone) return FALSE;
8703 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8704 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8707 appData.noChessProgram = TRUE;
8708 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8709 gameMode = BeginningOfGame; ModeHighlight();
8712 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8713 DisplayMessage("", ""); // erase waiting message
8714 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8719 ChessProgramState *savedState;
8721 DeferredBookMove (void)
8723 if(savedState->lastPing != savedState->lastPong)
8724 ScheduleDelayedEvent(DeferredBookMove, 10);
8726 HandleMachineMove(savedMessage, savedState);
8729 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8730 static ChessProgramState *stalledEngine;
8731 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8734 HandleMachineMove (char *message, ChessProgramState *cps)
8736 static char firstLeg[20], legs;
8737 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8738 char realname[MSG_SIZ];
8739 int fromX, fromY, toX, toY;
8741 char promoChar, roar;
8746 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8747 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8748 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8749 DisplayError(_("Invalid pairing from pairing engine"), 0);
8752 pairingReceived = 1;
8754 return; // Skim the pairing messages here.
8757 oldError = cps->userError; cps->userError = 0;
8759 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8761 * Kludge to ignore BEL characters
8763 while (*message == '\007') message++;
8766 * [HGM] engine debug message: ignore lines starting with '#' character
8768 if(cps->debug && *message == '#') return;
8771 * Look for book output
8773 if (cps == &first && bookRequested) {
8774 if (message[0] == '\t' || message[0] == ' ') {
8775 /* Part of the book output is here; append it */
8776 strcat(bookOutput, message);
8777 strcat(bookOutput, " \n");
8779 } else if (bookOutput[0] != NULLCHAR) {
8780 /* All of book output has arrived; display it */
8781 char *p = bookOutput;
8782 while (*p != NULLCHAR) {
8783 if (*p == '\t') *p = ' ';
8786 DisplayInformation(bookOutput);
8787 bookRequested = FALSE;
8788 /* Fall through to parse the current output */
8793 * Look for machine move.
8795 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8796 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8798 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8799 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8800 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8801 stalledEngine = cps;
8802 if(appData.ponderNextMove) { // bring opponent out of ponder
8803 if(gameMode == TwoMachinesPlay) {
8804 if(cps->other->pause)
8805 PauseEngine(cps->other);
8807 SendToProgram("easy\n", cps->other);
8816 /* This method is only useful on engines that support ping */
8817 if(abortEngineThink) {
8818 if (appData.debugMode) {
8819 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8821 SendToProgram("undo\n", cps);
8825 if (cps->lastPing != cps->lastPong) {
8826 /* Extra move from before last new; ignore */
8827 if (appData.debugMode) {
8828 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8835 int machineWhite = FALSE;
8838 case BeginningOfGame:
8839 /* Extra move from before last reset; ignore */
8840 if (appData.debugMode) {
8841 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8848 /* Extra move after we tried to stop. The mode test is
8849 not a reliable way of detecting this problem, but it's
8850 the best we can do on engines that don't support ping.
8852 if (appData.debugMode) {
8853 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8854 cps->which, gameMode);
8856 SendToProgram("undo\n", cps);
8859 case MachinePlaysWhite:
8860 case IcsPlayingWhite:
8861 machineWhite = TRUE;
8864 case MachinePlaysBlack:
8865 case IcsPlayingBlack:
8866 machineWhite = FALSE;
8869 case TwoMachinesPlay:
8870 machineWhite = (cps->twoMachinesColor[0] == 'w');
8873 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8874 if (appData.debugMode) {
8876 "Ignoring move out of turn by %s, gameMode %d"
8877 ", forwardMost %d\n",
8878 cps->which, gameMode, forwardMostMove);
8884 if(cps->alphaRank) AlphaRank(machineMove, 4);
8886 // [HGM] lion: (some very limited) support for Alien protocol
8887 killX = killY = kill2X = kill2Y = -1;
8888 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8889 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8890 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8893 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8894 char *q = strchr(p+1, ','); // second comma?
8895 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8896 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8897 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8899 if(firstLeg[0]) { // there was a previous leg;
8900 // only support case where same piece makes two step
8901 char buf[20], *p = machineMove+1, *q = buf+1, f;
8902 safeStrCpy(buf, machineMove, 20);
8903 while(isdigit(*q)) q++; // find start of to-square
8904 safeStrCpy(machineMove, firstLeg, 20);
8905 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8906 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
8907 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)
8908 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8909 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8910 firstLeg[0] = NULLCHAR; legs = 0;
8913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8914 &fromX, &fromY, &toX, &toY, &promoChar)) {
8915 /* Machine move could not be parsed; ignore it. */
8916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8917 machineMove, _(cps->which));
8918 DisplayMoveError(buf1);
8919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8921 if (gameMode == TwoMachinesPlay) {
8922 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8929 /* So we have to redo legality test with true e.p. status here, */
8930 /* to make sure an illegal e.p. capture does not slip through, */
8931 /* to cause a forfeit on a justified illegal-move complaint */
8932 /* of the opponent. */
8933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8936 fromY, fromX, toY, toX, promoChar);
8937 if(moveType == IllegalMove) {
8938 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8939 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8940 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8943 } else if(!appData.fischerCastling)
8944 /* [HGM] Kludge to handle engines that send FRC-style castling
8945 when they shouldn't (like TSCP-Gothic) */
8947 case WhiteASideCastleFR:
8948 case BlackASideCastleFR:
8950 currentMoveString[2]++;
8952 case WhiteHSideCastleFR:
8953 case BlackHSideCastleFR:
8955 currentMoveString[2]--;
8957 default: ; // nothing to do, but suppresses warning of pedantic compilers
8960 hintRequested = FALSE;
8961 lastHint[0] = NULLCHAR;
8962 bookRequested = FALSE;
8963 /* Program may be pondering now */
8964 cps->maybeThinking = TRUE;
8965 if (cps->sendTime == 2) cps->sendTime = 1;
8966 if (cps->offeredDraw) cps->offeredDraw--;
8968 /* [AS] Save move info*/
8969 pvInfoList[ forwardMostMove ].score = programStats.score;
8970 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8971 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8973 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8975 /* Test suites abort the 'game' after one move */
8976 if(*appData.finger) {
8978 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8979 if(!f) f = fopen(appData.finger, "w");
8980 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8981 else { DisplayFatalError("Bad output file", errno, 0); return; }
8983 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8986 if(solvingTime >= 0) {
8987 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8988 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8990 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8991 if(solvingTime == -2) second.matchWins++;
8993 OutputKibitz(2, buf1);
8994 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8997 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8998 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9001 while( count < adjudicateLossPlies ) {
9002 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9005 score = -score; /* Flip score for winning side */
9008 if( score > appData.adjudicateLossThreshold ) {
9015 if( count >= adjudicateLossPlies ) {
9016 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9018 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9019 "Xboard adjudication",
9026 if(Adjudicate(cps)) {
9027 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9028 return; // [HGM] adjudicate: for all automatic game ends
9032 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9034 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9035 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9037 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9039 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9041 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9042 char buf[3*MSG_SIZ];
9044 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9045 programStats.score / 100.,
9047 programStats.time / 100.,
9048 (unsigned int)programStats.nodes,
9049 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9050 programStats.movelist);
9056 /* [AS] Clear stats for next move */
9057 ClearProgramStats();
9058 thinkOutput[0] = NULLCHAR;
9059 hiddenThinkOutputState = 0;
9062 if (gameMode == TwoMachinesPlay) {
9063 /* [HGM] relaying draw offers moved to after reception of move */
9064 /* and interpreting offer as claim if it brings draw condition */
9065 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9066 SendToProgram("draw\n", cps->other);
9068 if (cps->other->sendTime) {
9069 SendTimeRemaining(cps->other,
9070 cps->other->twoMachinesColor[0] == 'w');
9072 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9073 if (firstMove && !bookHit) {
9075 if (cps->other->useColors) {
9076 SendToProgram(cps->other->twoMachinesColor, cps->other);
9078 SendToProgram("go\n", cps->other);
9080 cps->other->maybeThinking = TRUE;
9083 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9087 if (!pausing && appData.ringBellAfterMoves) {
9088 if(!roar) RingBell();
9092 * Reenable menu items that were disabled while
9093 * machine was thinking
9095 if (gameMode != TwoMachinesPlay)
9096 SetUserThinkingEnables();
9098 // [HGM] book: after book hit opponent has received move and is now in force mode
9099 // force the book reply into it, and then fake that it outputted this move by jumping
9100 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9102 static char bookMove[MSG_SIZ]; // a bit generous?
9104 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9105 strcat(bookMove, bookHit);
9108 programStats.nodes = programStats.depth = programStats.time =
9109 programStats.score = programStats.got_only_move = 0;
9110 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9112 if(cps->lastPing != cps->lastPong) {
9113 savedMessage = message; // args for deferred call
9115 ScheduleDelayedEvent(DeferredBookMove, 10);
9124 /* Set special modes for chess engines. Later something general
9125 * could be added here; for now there is just one kludge feature,
9126 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9127 * when "xboard" is given as an interactive command.
9129 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9130 cps->useSigint = FALSE;
9131 cps->useSigterm = FALSE;
9133 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9134 ParseFeatures(message+8, cps);
9135 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9138 if (!strncmp(message, "setup ", 6) &&
9139 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9140 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9141 ) { // [HGM] allow first engine to define opening position
9142 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9143 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9145 if(sscanf(message, "setup (%s", buf) == 1) {
9146 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9147 ASSIGN(appData.pieceToCharTable, buf);
9149 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9151 while(message[s] && message[s++] != ' ');
9152 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9153 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9154 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9155 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9156 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9157 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9158 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9159 startedFromSetupPosition = FALSE;
9162 if(startedFromSetupPosition) return;
9163 ParseFEN(boards[0], &dummy, message+s, FALSE);
9164 DrawPosition(TRUE, boards[0]);
9165 CopyBoard(initialPosition, boards[0]);
9166 startedFromSetupPosition = TRUE;
9169 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9170 ChessSquare piece = WhitePawn;
9171 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9172 if(*p == '+') promoted++, ID = *++p;
9173 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9174 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9175 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9176 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9177 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9178 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9179 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9180 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9181 && gameInfo.variant != VariantGreat
9182 && gameInfo.variant != VariantFairy ) return;
9183 if(piece < EmptySquare) {
9185 ASSIGN(pieceDesc[piece], buf1);
9186 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9190 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9192 LeftClick(Press, 0, 0); // finish the click that was interrupted
9193 } else if(promoSweep != EmptySquare) {
9194 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9195 if(strlen(promoRestrict) > 1) Sweep(0);
9199 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9200 * want this, I was asked to put it in, and obliged.
9202 if (!strncmp(message, "setboard ", 9)) {
9203 Board initial_position;
9205 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9207 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9208 DisplayError(_("Bad FEN received from engine"), 0);
9212 CopyBoard(boards[0], initial_position);
9213 initialRulePlies = FENrulePlies;
9214 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9215 else gameMode = MachinePlaysBlack;
9216 DrawPosition(FALSE, boards[currentMove]);
9222 * Look for communication commands
9224 if (!strncmp(message, "telluser ", 9)) {
9225 if(message[9] == '\\' && message[10] == '\\')
9226 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9228 DisplayNote(message + 9);
9231 if (!strncmp(message, "tellusererror ", 14)) {
9233 if(message[14] == '\\' && message[15] == '\\')
9234 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9236 DisplayError(message + 14, 0);
9239 if (!strncmp(message, "tellopponent ", 13)) {
9240 if (appData.icsActive) {
9242 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9246 DisplayNote(message + 13);
9250 if (!strncmp(message, "tellothers ", 11)) {
9251 if (appData.icsActive) {
9253 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9256 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9259 if (!strncmp(message, "tellall ", 8)) {
9260 if (appData.icsActive) {
9262 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9266 DisplayNote(message + 8);
9270 if (strncmp(message, "warning", 7) == 0) {
9271 /* Undocumented feature, use tellusererror in new code */
9272 DisplayError(message, 0);
9275 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9276 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9277 strcat(realname, " query");
9278 AskQuestion(realname, buf2, buf1, cps->pr);
9281 /* Commands from the engine directly to ICS. We don't allow these to be
9282 * sent until we are logged on. Crafty kibitzes have been known to
9283 * interfere with the login process.
9286 if (!strncmp(message, "tellics ", 8)) {
9287 SendToICS(message + 8);
9291 if (!strncmp(message, "tellicsnoalias ", 15)) {
9292 SendToICS(ics_prefix);
9293 SendToICS(message + 15);
9297 /* The following are for backward compatibility only */
9298 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9299 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9300 SendToICS(ics_prefix);
9306 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9307 if(initPing == cps->lastPong) {
9308 if(gameInfo.variant == VariantUnknown) {
9309 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9310 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9311 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9315 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9316 abortEngineThink = FALSE;
9317 DisplayMessage("", "");
9322 if(!strncmp(message, "highlight ", 10)) {
9323 if(appData.testLegality && !*engineVariant && appData.markers) return;
9324 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9327 if(!strncmp(message, "click ", 6)) {
9328 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9329 if(appData.testLegality || !appData.oneClick) return;
9330 sscanf(message+6, "%c%d%c", &f, &y, &c);
9331 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9332 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9333 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9334 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9335 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9336 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9337 LeftClick(Release, lastLeftX, lastLeftY);
9338 controlKey = (c == ',');
9339 LeftClick(Press, x, y);
9340 LeftClick(Release, x, y);
9341 first.highlight = f;
9345 * If the move is illegal, cancel it and redraw the board.
9346 * Also deal with other error cases. Matching is rather loose
9347 * here to accommodate engines written before the spec.
9349 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9350 strncmp(message, "Error", 5) == 0) {
9351 if (StrStr(message, "name") ||
9352 StrStr(message, "rating") || StrStr(message, "?") ||
9353 StrStr(message, "result") || StrStr(message, "board") ||
9354 StrStr(message, "bk") || StrStr(message, "computer") ||
9355 StrStr(message, "variant") || StrStr(message, "hint") ||
9356 StrStr(message, "random") || StrStr(message, "depth") ||
9357 StrStr(message, "accepted")) {
9360 if (StrStr(message, "protover")) {
9361 /* Program is responding to input, so it's apparently done
9362 initializing, and this error message indicates it is
9363 protocol version 1. So we don't need to wait any longer
9364 for it to initialize and send feature commands. */
9365 FeatureDone(cps, 1);
9366 cps->protocolVersion = 1;
9369 cps->maybeThinking = FALSE;
9371 if (StrStr(message, "draw")) {
9372 /* Program doesn't have "draw" command */
9373 cps->sendDrawOffers = 0;
9376 if (cps->sendTime != 1 &&
9377 (StrStr(message, "time") || StrStr(message, "otim"))) {
9378 /* Program apparently doesn't have "time" or "otim" command */
9382 if (StrStr(message, "analyze")) {
9383 cps->analysisSupport = FALSE;
9384 cps->analyzing = FALSE;
9385 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9386 EditGameEvent(); // [HGM] try to preserve loaded game
9387 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9388 DisplayError(buf2, 0);
9391 if (StrStr(message, "(no matching move)st")) {
9392 /* Special kludge for GNU Chess 4 only */
9393 cps->stKludge = TRUE;
9394 SendTimeControl(cps, movesPerSession, timeControl,
9395 timeIncrement, appData.searchDepth,
9399 if (StrStr(message, "(no matching move)sd")) {
9400 /* Special kludge for GNU Chess 4 only */
9401 cps->sdKludge = TRUE;
9402 SendTimeControl(cps, movesPerSession, timeControl,
9403 timeIncrement, appData.searchDepth,
9407 if (!StrStr(message, "llegal")) {
9410 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9411 gameMode == IcsIdle) return;
9412 if (forwardMostMove <= backwardMostMove) return;
9413 if (pausing) PauseEvent();
9414 if(appData.forceIllegal) {
9415 // [HGM] illegal: machine refused move; force position after move into it
9416 SendToProgram("force\n", cps);
9417 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9418 // we have a real problem now, as SendBoard will use the a2a3 kludge
9419 // when black is to move, while there might be nothing on a2 or black
9420 // might already have the move. So send the board as if white has the move.
9421 // But first we must change the stm of the engine, as it refused the last move
9422 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9423 if(WhiteOnMove(forwardMostMove)) {
9424 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9425 SendBoard(cps, forwardMostMove); // kludgeless board
9427 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9428 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9429 SendBoard(cps, forwardMostMove+1); // kludgeless board
9431 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9432 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9433 gameMode == TwoMachinesPlay)
9434 SendToProgram("go\n", cps);
9437 if (gameMode == PlayFromGameFile) {
9438 /* Stop reading this game file */
9439 gameMode = EditGame;
9442 /* [HGM] illegal-move claim should forfeit game when Xboard */
9443 /* only passes fully legal moves */
9444 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9445 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9446 "False illegal-move claim", GE_XBOARD );
9447 return; // do not take back move we tested as valid
9449 currentMove = forwardMostMove-1;
9450 DisplayMove(currentMove-1); /* before DisplayMoveError */
9451 SwitchClocks(forwardMostMove-1); // [HGM] race
9452 DisplayBothClocks();
9453 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9454 parseList[currentMove], _(cps->which));
9455 DisplayMoveError(buf1);
9456 DrawPosition(FALSE, boards[currentMove]);
9458 SetUserThinkingEnables();
9461 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9462 /* Program has a broken "time" command that
9463 outputs a string not ending in newline.
9467 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9468 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9469 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9473 * If chess program startup fails, exit with an error message.
9474 * Attempts to recover here are futile. [HGM] Well, we try anyway
9476 if ((StrStr(message, "unknown host") != NULL)
9477 || (StrStr(message, "No remote directory") != NULL)
9478 || (StrStr(message, "not found") != NULL)
9479 || (StrStr(message, "No such file") != NULL)
9480 || (StrStr(message, "can't alloc") != NULL)
9481 || (StrStr(message, "Permission denied") != NULL)) {
9483 cps->maybeThinking = FALSE;
9484 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9485 _(cps->which), cps->program, cps->host, message);
9486 RemoveInputSource(cps->isr);
9487 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9488 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9489 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9495 * Look for hint output
9497 if (sscanf(message, "Hint: %s", buf1) == 1) {
9498 if (cps == &first && hintRequested) {
9499 hintRequested = FALSE;
9500 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9501 &fromX, &fromY, &toX, &toY, &promoChar)) {
9502 (void) CoordsToAlgebraic(boards[forwardMostMove],
9503 PosFlags(forwardMostMove),
9504 fromY, fromX, toY, toX, promoChar, buf1);
9505 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9506 DisplayInformation(buf2);
9508 /* Hint move could not be parsed!? */
9509 snprintf(buf2, sizeof(buf2),
9510 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9511 buf1, _(cps->which));
9512 DisplayError(buf2, 0);
9515 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9521 * Ignore other messages if game is not in progress
9523 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9524 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9527 * look for win, lose, draw, or draw offer
9529 if (strncmp(message, "1-0", 3) == 0) {
9530 char *p, *q, *r = "";
9531 p = strchr(message, '{');
9539 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9541 } else if (strncmp(message, "0-1", 3) == 0) {
9542 char *p, *q, *r = "";
9543 p = strchr(message, '{');
9551 /* Kludge for Arasan 4.1 bug */
9552 if (strcmp(r, "Black resigns") == 0) {
9553 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9556 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9558 } else if (strncmp(message, "1/2", 3) == 0) {
9559 char *p, *q, *r = "";
9560 p = strchr(message, '{');
9569 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9572 } else if (strncmp(message, "White resign", 12) == 0) {
9573 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9575 } else if (strncmp(message, "Black resign", 12) == 0) {
9576 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9578 } else if (strncmp(message, "White matches", 13) == 0 ||
9579 strncmp(message, "Black matches", 13) == 0 ) {
9580 /* [HGM] ignore GNUShogi noises */
9582 } else if (strncmp(message, "White", 5) == 0 &&
9583 message[5] != '(' &&
9584 StrStr(message, "Black") == NULL) {
9585 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9587 } else if (strncmp(message, "Black", 5) == 0 &&
9588 message[5] != '(') {
9589 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9591 } else if (strcmp(message, "resign") == 0 ||
9592 strcmp(message, "computer resigns") == 0) {
9594 case MachinePlaysBlack:
9595 case IcsPlayingBlack:
9596 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9598 case MachinePlaysWhite:
9599 case IcsPlayingWhite:
9600 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9602 case TwoMachinesPlay:
9603 if (cps->twoMachinesColor[0] == 'w')
9604 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9606 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9613 } else if (strncmp(message, "opponent mates", 14) == 0) {
9615 case MachinePlaysBlack:
9616 case IcsPlayingBlack:
9617 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9619 case MachinePlaysWhite:
9620 case IcsPlayingWhite:
9621 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9623 case TwoMachinesPlay:
9624 if (cps->twoMachinesColor[0] == 'w')
9625 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9627 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9634 } else if (strncmp(message, "computer mates", 14) == 0) {
9636 case MachinePlaysBlack:
9637 case IcsPlayingBlack:
9638 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9640 case MachinePlaysWhite:
9641 case IcsPlayingWhite:
9642 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9644 case TwoMachinesPlay:
9645 if (cps->twoMachinesColor[0] == 'w')
9646 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9648 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9655 } else if (strncmp(message, "checkmate", 9) == 0) {
9656 if (WhiteOnMove(forwardMostMove)) {
9657 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9659 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9662 } else if (strstr(message, "Draw") != NULL ||
9663 strstr(message, "game is a draw") != NULL) {
9664 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9666 } else if (strstr(message, "offer") != NULL &&
9667 strstr(message, "draw") != NULL) {
9669 if (appData.zippyPlay && first.initDone) {
9670 /* Relay offer to ICS */
9671 SendToICS(ics_prefix);
9672 SendToICS("draw\n");
9675 cps->offeredDraw = 2; /* valid until this engine moves twice */
9676 if (gameMode == TwoMachinesPlay) {
9677 if (cps->other->offeredDraw) {
9678 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9679 /* [HGM] in two-machine mode we delay relaying draw offer */
9680 /* until after we also have move, to see if it is really claim */
9682 } else if (gameMode == MachinePlaysWhite ||
9683 gameMode == MachinePlaysBlack) {
9684 if (userOfferedDraw) {
9685 DisplayInformation(_("Machine accepts your draw offer"));
9686 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9688 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9695 * Look for thinking output
9697 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9698 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9700 int plylev, mvleft, mvtot, curscore, time;
9701 char mvname[MOVE_LEN];
9705 int prefixHint = FALSE;
9706 mvname[0] = NULLCHAR;
9709 case MachinePlaysBlack:
9710 case IcsPlayingBlack:
9711 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9713 case MachinePlaysWhite:
9714 case IcsPlayingWhite:
9715 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9720 case IcsObserving: /* [DM] icsEngineAnalyze */
9721 if (!appData.icsEngineAnalyze) ignore = TRUE;
9723 case TwoMachinesPlay:
9724 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9734 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9737 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9738 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9739 char score_buf[MSG_SIZ];
9741 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9742 nodes += u64Const(0x100000000);
9744 if (plyext != ' ' && plyext != '\t') {
9748 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9749 if( cps->scoreIsAbsolute &&
9750 ( gameMode == MachinePlaysBlack ||
9751 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9752 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9753 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9754 !WhiteOnMove(currentMove)
9757 curscore = -curscore;
9760 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9762 if(*bestMove) { // rememer time best EPD move was first found
9763 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9764 ChessMove mt; char *p = bestMove;
9765 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9767 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9768 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9769 solvingTime = (solvingTime < 0 ? time : solvingTime);
9773 while(*p && *p != ' ') p++;
9774 while(*p == ' ') p++;
9776 if(!solved) solvingTime = -1;
9778 if(*avoidMove && !solved) {
9779 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9780 ChessMove mt; char *p = avoidMove, solved = 1;
9781 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9782 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9783 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9784 solved = 0; solvingTime = -2;
9787 while(*p && *p != ' ') p++;
9788 while(*p == ' ') p++;
9790 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9793 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9796 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9797 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9798 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9799 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9800 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9801 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9805 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9806 DisplayError(_("failed writing PV"), 0);
9809 tempStats.depth = plylev;
9810 tempStats.nodes = nodes;
9811 tempStats.time = time;
9812 tempStats.score = curscore;
9813 tempStats.got_only_move = 0;
9815 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9818 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9819 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9820 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9821 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9822 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9823 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9824 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9825 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9828 /* Buffer overflow protection */
9829 if (pv[0] != NULLCHAR) {
9830 if (strlen(pv) >= sizeof(tempStats.movelist)
9831 && appData.debugMode) {
9833 "PV is too long; using the first %u bytes.\n",
9834 (unsigned) sizeof(tempStats.movelist) - 1);
9837 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9839 sprintf(tempStats.movelist, " no PV\n");
9842 if (tempStats.seen_stat) {
9843 tempStats.ok_to_send = 1;
9846 if (strchr(tempStats.movelist, '(') != NULL) {
9847 tempStats.line_is_book = 1;
9848 tempStats.nr_moves = 0;
9849 tempStats.moves_left = 0;
9851 tempStats.line_is_book = 0;
9854 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9855 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9857 SendProgramStatsToFrontend( cps, &tempStats );
9860 [AS] Protect the thinkOutput buffer from overflow... this
9861 is only useful if buf1 hasn't overflowed first!
9863 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9864 if(curscore >= MATE_SCORE)
9865 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9866 else if(curscore <= -MATE_SCORE)
9867 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9869 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9870 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9872 (gameMode == TwoMachinesPlay ?
9873 ToUpper(cps->twoMachinesColor[0]) : ' '),
9875 prefixHint ? lastHint : "",
9876 prefixHint ? " " : "" );
9878 if( buf1[0] != NULLCHAR ) {
9879 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9881 if( strlen(pv) > max_len ) {
9882 if( appData.debugMode) {
9883 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9885 pv[max_len+1] = '\0';
9888 strcat( thinkOutput, pv);
9891 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9892 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9893 DisplayMove(currentMove - 1);
9897 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9898 /* crafty (9.25+) says "(only move) <move>"
9899 * if there is only 1 legal move
9901 sscanf(p, "(only move) %s", buf1);
9902 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9903 sprintf(programStats.movelist, "%s (only move)", buf1);
9904 programStats.depth = 1;
9905 programStats.nr_moves = 1;
9906 programStats.moves_left = 1;
9907 programStats.nodes = 1;
9908 programStats.time = 1;
9909 programStats.got_only_move = 1;
9911 /* Not really, but we also use this member to
9912 mean "line isn't going to change" (Crafty
9913 isn't searching, so stats won't change) */
9914 programStats.line_is_book = 1;
9916 SendProgramStatsToFrontend( cps, &programStats );
9918 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9919 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9920 DisplayMove(currentMove - 1);
9923 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9924 &time, &nodes, &plylev, &mvleft,
9925 &mvtot, mvname) >= 5) {
9926 /* The stat01: line is from Crafty (9.29+) in response
9927 to the "." command */
9928 programStats.seen_stat = 1;
9929 cps->maybeThinking = TRUE;
9931 if (programStats.got_only_move || !appData.periodicUpdates)
9934 programStats.depth = plylev;
9935 programStats.time = time;
9936 programStats.nodes = nodes;
9937 programStats.moves_left = mvleft;
9938 programStats.nr_moves = mvtot;
9939 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9940 programStats.ok_to_send = 1;
9941 programStats.movelist[0] = '\0';
9943 SendProgramStatsToFrontend( cps, &programStats );
9947 } else if (strncmp(message,"++",2) == 0) {
9948 /* Crafty 9.29+ outputs this */
9949 programStats.got_fail = 2;
9952 } else if (strncmp(message,"--",2) == 0) {
9953 /* Crafty 9.29+ outputs this */
9954 programStats.got_fail = 1;
9957 } else if (thinkOutput[0] != NULLCHAR &&
9958 strncmp(message, " ", 4) == 0) {
9959 unsigned message_len;
9962 while (*p && *p == ' ') p++;
9964 message_len = strlen( p );
9966 /* [AS] Avoid buffer overflow */
9967 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9968 strcat(thinkOutput, " ");
9969 strcat(thinkOutput, p);
9972 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9973 strcat(programStats.movelist, " ");
9974 strcat(programStats.movelist, p);
9977 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9978 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9979 DisplayMove(currentMove - 1);
9987 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9988 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9990 ChessProgramStats cpstats;
9992 if (plyext != ' ' && plyext != '\t') {
9996 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9997 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9998 curscore = -curscore;
10001 cpstats.depth = plylev;
10002 cpstats.nodes = nodes;
10003 cpstats.time = time;
10004 cpstats.score = curscore;
10005 cpstats.got_only_move = 0;
10006 cpstats.movelist[0] = '\0';
10008 if (buf1[0] != NULLCHAR) {
10009 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10012 cpstats.ok_to_send = 0;
10013 cpstats.line_is_book = 0;
10014 cpstats.nr_moves = 0;
10015 cpstats.moves_left = 0;
10017 SendProgramStatsToFrontend( cps, &cpstats );
10024 /* Parse a game score from the character string "game", and
10025 record it as the history of the current game. The game
10026 score is NOT assumed to start from the standard position.
10027 The display is not updated in any way.
10030 ParseGameHistory (char *game)
10032 ChessMove moveType;
10033 int fromX, fromY, toX, toY, boardIndex;
10038 if (appData.debugMode)
10039 fprintf(debugFP, "Parsing game history: %s\n", game);
10041 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10042 gameInfo.site = StrSave(appData.icsHost);
10043 gameInfo.date = PGNDate();
10044 gameInfo.round = StrSave("-");
10046 /* Parse out names of players */
10047 while (*game == ' ') game++;
10049 while (*game != ' ') *p++ = *game++;
10051 gameInfo.white = StrSave(buf);
10052 while (*game == ' ') game++;
10054 while (*game != ' ' && *game != '\n') *p++ = *game++;
10056 gameInfo.black = StrSave(buf);
10059 boardIndex = blackPlaysFirst ? 1 : 0;
10062 yyboardindex = boardIndex;
10063 moveType = (ChessMove) Myylex();
10064 switch (moveType) {
10065 case IllegalMove: /* maybe suicide chess, etc. */
10066 if (appData.debugMode) {
10067 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10068 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10069 setbuf(debugFP, NULL);
10071 case WhitePromotion:
10072 case BlackPromotion:
10073 case WhiteNonPromotion:
10074 case BlackNonPromotion:
10077 case WhiteCapturesEnPassant:
10078 case BlackCapturesEnPassant:
10079 case WhiteKingSideCastle:
10080 case WhiteQueenSideCastle:
10081 case BlackKingSideCastle:
10082 case BlackQueenSideCastle:
10083 case WhiteKingSideCastleWild:
10084 case WhiteQueenSideCastleWild:
10085 case BlackKingSideCastleWild:
10086 case BlackQueenSideCastleWild:
10088 case WhiteHSideCastleFR:
10089 case WhiteASideCastleFR:
10090 case BlackHSideCastleFR:
10091 case BlackASideCastleFR:
10093 fromX = currentMoveString[0] - AAA;
10094 fromY = currentMoveString[1] - ONE;
10095 toX = currentMoveString[2] - AAA;
10096 toY = currentMoveString[3] - ONE;
10097 promoChar = currentMoveString[4];
10101 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10102 fromX = moveType == WhiteDrop ?
10103 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10104 (int) CharToPiece(ToLower(currentMoveString[0]));
10106 toX = currentMoveString[2] - AAA;
10107 toY = currentMoveString[3] - ONE;
10108 promoChar = NULLCHAR;
10110 case AmbiguousMove:
10112 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10113 if (appData.debugMode) {
10114 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10115 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10116 setbuf(debugFP, NULL);
10118 DisplayError(buf, 0);
10120 case ImpossibleMove:
10122 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10123 if (appData.debugMode) {
10124 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10125 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10126 setbuf(debugFP, NULL);
10128 DisplayError(buf, 0);
10131 if (boardIndex < backwardMostMove) {
10132 /* Oops, gap. How did that happen? */
10133 DisplayError(_("Gap in move list"), 0);
10136 backwardMostMove = blackPlaysFirst ? 1 : 0;
10137 if (boardIndex > forwardMostMove) {
10138 forwardMostMove = boardIndex;
10142 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10143 strcat(parseList[boardIndex-1], " ");
10144 strcat(parseList[boardIndex-1], yy_text);
10156 case GameUnfinished:
10157 if (gameMode == IcsExamining) {
10158 if (boardIndex < backwardMostMove) {
10159 /* Oops, gap. How did that happen? */
10162 backwardMostMove = blackPlaysFirst ? 1 : 0;
10165 gameInfo.result = moveType;
10166 p = strchr(yy_text, '{');
10167 if (p == NULL) p = strchr(yy_text, '(');
10170 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10172 q = strchr(p, *p == '{' ? '}' : ')');
10173 if (q != NULL) *q = NULLCHAR;
10176 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10177 gameInfo.resultDetails = StrSave(p);
10180 if (boardIndex >= forwardMostMove &&
10181 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10182 backwardMostMove = blackPlaysFirst ? 1 : 0;
10185 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10186 fromY, fromX, toY, toX, promoChar,
10187 parseList[boardIndex]);
10188 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10189 /* currentMoveString is set as a side-effect of yylex */
10190 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10191 strcat(moveList[boardIndex], "\n");
10193 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10194 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10200 if(!IS_SHOGI(gameInfo.variant))
10201 strcat(parseList[boardIndex - 1], "+");
10205 strcat(parseList[boardIndex - 1], "#");
10212 /* Apply a move to the given board */
10214 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10216 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10217 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10219 /* [HGM] compute & store e.p. status and castling rights for new position */
10220 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10222 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10223 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_FILE],lastRank = board[LAST_RANK];
10224 board[EP_STATUS] = EP_NONE;
10225 board[EP_FILE] = board[EP_RANK] = board[LAST_FILE] = board[LAST_RANK] = 100;
10227 if (fromY == DROP_RANK) {
10228 /* must be first */
10229 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10230 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10233 piece = board[toY][toX] = (ChessSquare) fromX;
10235 // ChessSquare victim;
10238 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10239 // victim = board[killY][killX],
10240 killed = board[killY][killX],
10241 board[killY][killX] = EmptySquare,
10242 board[EP_STATUS] = EP_CAPTURE;
10243 if( kill2X >= 0 && kill2Y >= 0)
10244 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10247 if( board[toY][toX] != EmptySquare ) {
10248 board[EP_STATUS] = EP_CAPTURE;
10249 if( (fromX != toX || fromY != toY) && // not igui!
10250 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10251 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10252 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10256 pawn = board[fromY][fromX];
10257 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10258 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10259 captured = board[lastRank][lastFile]; // remove victim
10260 board[lastRank][lastFile] = EmptySquare;
10261 pawn = EmptySquare; // kludge to suppress old e.p. code
10264 if( pawn == WhiteLance || pawn == BlackLance ) {
10265 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10266 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10267 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10270 if( pawn == WhitePawn ) {
10271 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10272 board[EP_STATUS] = EP_PAWN_MOVE;
10273 if( toY-fromY>=2) {
10274 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10275 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10276 gameInfo.variant != VariantBerolina || toX < fromX)
10277 board[EP_STATUS] = toX | berolina;
10278 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10279 gameInfo.variant != VariantBerolina || toX > fromX)
10280 board[EP_STATUS] = toX;
10281 board[LAST_FILE] = toX; board[LAST_RANK] = toY;
10284 if( pawn == BlackPawn ) {
10285 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10286 board[EP_STATUS] = EP_PAWN_MOVE;
10287 if( toY-fromY<= -2) {
10288 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10289 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10290 gameInfo.variant != VariantBerolina || toX < fromX)
10291 board[EP_STATUS] = toX | berolina;
10292 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10293 gameInfo.variant != VariantBerolina || toX > fromX)
10294 board[EP_STATUS] = toX;
10295 board[LAST_FILE] = toX; board[LAST_RANK] = toY;
10299 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10300 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10301 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10302 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10304 for(i=0; i<nrCastlingRights; i++) {
10305 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10306 board[CASTLING][i] == toX && castlingRank[i] == toY
10307 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10310 if(gameInfo.variant == VariantSChess) { // update virginity
10311 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10312 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10313 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10314 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10317 if (fromX == toX && fromY == toY && killX < 0) return;
10319 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10320 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10321 if(gameInfo.variant == VariantKnightmate)
10322 king += (int) WhiteUnicorn - (int) WhiteKing;
10324 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10325 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10326 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10327 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10328 board[EP_STATUS] = EP_NONE; // capture was fake!
10330 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10331 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10332 board[toY][toX] = piece;
10333 board[EP_STATUS] = EP_NONE; // capture was fake!
10335 /* Code added by Tord: */
10336 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10337 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10338 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10339 board[EP_STATUS] = EP_NONE; // capture was fake!
10340 board[fromY][fromX] = EmptySquare;
10341 board[toY][toX] = EmptySquare;
10342 if((toX > fromX) != (piece == WhiteRook)) {
10343 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10345 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10347 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10348 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10349 board[EP_STATUS] = EP_NONE;
10350 board[fromY][fromX] = EmptySquare;
10351 board[toY][toX] = EmptySquare;
10352 if((toX > fromX) != (piece == BlackRook)) {
10353 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10355 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10357 /* End of code added by Tord */
10359 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10360 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10361 board[toY][toX] = piece;
10362 } else if (board[fromY][fromX] == king
10363 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10364 && toY == fromY && toX > fromX+1) {
10365 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10366 ; // castle with nearest piece
10367 board[fromY][toX-1] = board[fromY][rookX];
10368 board[fromY][rookX] = EmptySquare;
10369 board[fromY][fromX] = EmptySquare;
10370 board[toY][toX] = king;
10371 } else if (board[fromY][fromX] == king
10372 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10373 && toY == fromY && toX < fromX-1) {
10374 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10375 ; // castle with nearest piece
10376 board[fromY][toX+1] = board[fromY][rookX];
10377 board[fromY][rookX] = EmptySquare;
10378 board[fromY][fromX] = EmptySquare;
10379 board[toY][toX] = king;
10380 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10381 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10382 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10384 /* white pawn promotion */
10385 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10386 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10387 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10388 board[fromY][fromX] = EmptySquare;
10389 } else if ((fromY >= BOARD_HEIGHT>>1)
10390 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10392 && gameInfo.variant != VariantXiangqi
10393 && gameInfo.variant != VariantBerolina
10394 && (pawn == WhitePawn)
10395 && (board[toY][toX] == EmptySquare)) {
10396 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10397 board[fromY][fromX] = EmptySquare;
10398 board[toY][toX] = piece;
10399 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10400 } else if ((fromY == BOARD_HEIGHT-4)
10402 && gameInfo.variant == VariantBerolina
10403 && (board[fromY][fromX] == WhitePawn)
10404 && (board[toY][toX] == EmptySquare)) {
10405 board[fromY][fromX] = EmptySquare;
10406 board[toY][toX] = WhitePawn;
10407 if(oldEP & EP_BEROLIN_A) {
10408 captured = board[fromY][fromX-1];
10409 board[fromY][fromX-1] = EmptySquare;
10410 }else{ captured = board[fromY][fromX+1];
10411 board[fromY][fromX+1] = EmptySquare;
10413 } else if (board[fromY][fromX] == king
10414 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10415 && toY == fromY && toX > fromX+1) {
10416 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10418 board[fromY][toX-1] = board[fromY][rookX];
10419 board[fromY][rookX] = EmptySquare;
10420 board[fromY][fromX] = EmptySquare;
10421 board[toY][toX] = king;
10422 } else if (board[fromY][fromX] == king
10423 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10424 && toY == fromY && toX < fromX-1) {
10425 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10427 board[fromY][toX+1] = board[fromY][rookX];
10428 board[fromY][rookX] = EmptySquare;
10429 board[fromY][fromX] = EmptySquare;
10430 board[toY][toX] = king;
10431 } else if (fromY == 7 && fromX == 3
10432 && board[fromY][fromX] == BlackKing
10433 && toY == 7 && toX == 5) {
10434 board[fromY][fromX] = EmptySquare;
10435 board[toY][toX] = BlackKing;
10436 board[fromY][7] = EmptySquare;
10437 board[toY][4] = BlackRook;
10438 } else if (fromY == 7 && fromX == 3
10439 && board[fromY][fromX] == BlackKing
10440 && toY == 7 && toX == 1) {
10441 board[fromY][fromX] = EmptySquare;
10442 board[toY][toX] = BlackKing;
10443 board[fromY][0] = EmptySquare;
10444 board[toY][2] = BlackRook;
10445 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10446 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10447 && toY < promoRank && promoChar
10449 /* black pawn promotion */
10450 board[toY][toX] = CharToPiece(ToLower(promoChar));
10451 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10452 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10453 board[fromY][fromX] = EmptySquare;
10454 } else if ((fromY < BOARD_HEIGHT>>1)
10455 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10457 && gameInfo.variant != VariantXiangqi
10458 && gameInfo.variant != VariantBerolina
10459 && (pawn == BlackPawn)
10460 && (board[toY][toX] == EmptySquare)) {
10461 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10462 board[fromY][fromX] = EmptySquare;
10463 board[toY][toX] = piece;
10464 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10465 } else if ((fromY == 3)
10467 && gameInfo.variant == VariantBerolina
10468 && (board[fromY][fromX] == BlackPawn)
10469 && (board[toY][toX] == EmptySquare)) {
10470 board[fromY][fromX] = EmptySquare;
10471 board[toY][toX] = BlackPawn;
10472 if(oldEP & EP_BEROLIN_A) {
10473 captured = board[fromY][fromX-1];
10474 board[fromY][fromX-1] = EmptySquare;
10475 }else{ captured = board[fromY][fromX+1];
10476 board[fromY][fromX+1] = EmptySquare;
10479 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10480 board[fromY][fromX] = EmptySquare;
10481 board[toY][toX] = piece;
10485 if (gameInfo.holdingsWidth != 0) {
10487 /* !!A lot more code needs to be written to support holdings */
10488 /* [HGM] OK, so I have written it. Holdings are stored in the */
10489 /* penultimate board files, so they are automaticlly stored */
10490 /* in the game history. */
10491 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10492 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10493 /* Delete from holdings, by decreasing count */
10494 /* and erasing image if necessary */
10495 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10496 if(p < (int) BlackPawn) { /* white drop */
10497 p -= (int)WhitePawn;
10498 p = PieceToNumber((ChessSquare)p);
10499 if(p >= gameInfo.holdingsSize) p = 0;
10500 if(--board[p][BOARD_WIDTH-2] <= 0)
10501 board[p][BOARD_WIDTH-1] = EmptySquare;
10502 if((int)board[p][BOARD_WIDTH-2] < 0)
10503 board[p][BOARD_WIDTH-2] = 0;
10504 } else { /* black drop */
10505 p -= (int)BlackPawn;
10506 p = PieceToNumber((ChessSquare)p);
10507 if(p >= gameInfo.holdingsSize) p = 0;
10508 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10509 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10510 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10511 board[BOARD_HEIGHT-1-p][1] = 0;
10514 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10515 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10516 /* [HGM] holdings: Add to holdings, if holdings exist */
10517 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10518 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10519 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10521 p = (int) captured;
10522 if (p >= (int) BlackPawn) {
10523 p -= (int)BlackPawn;
10524 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10525 /* Restore shogi-promoted piece to its original first */
10526 captured = (ChessSquare) (DEMOTED(captured));
10529 p = PieceToNumber((ChessSquare)p);
10530 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10531 board[p][BOARD_WIDTH-2]++;
10532 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10534 p -= (int)WhitePawn;
10535 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10536 captured = (ChessSquare) (DEMOTED(captured));
10539 p = PieceToNumber((ChessSquare)p);
10540 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10541 board[BOARD_HEIGHT-1-p][1]++;
10542 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10545 } else if (gameInfo.variant == VariantAtomic) {
10546 if (captured != EmptySquare) {
10548 for (y = toY-1; y <= toY+1; y++) {
10549 for (x = toX-1; x <= toX+1; x++) {
10550 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10551 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10552 board[y][x] = EmptySquare;
10556 board[toY][toX] = EmptySquare;
10560 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10561 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10563 if(promoChar == '+') {
10564 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10565 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10566 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10567 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10568 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10569 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10570 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10571 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10572 board[toY][toX] = newPiece;
10574 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10575 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10576 // [HGM] superchess: take promotion piece out of holdings
10577 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10578 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10579 if(!--board[k][BOARD_WIDTH-2])
10580 board[k][BOARD_WIDTH-1] = EmptySquare;
10582 if(!--board[BOARD_HEIGHT-1-k][1])
10583 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10588 /* Updates forwardMostMove */
10590 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10592 int x = toX, y = toY;
10593 char *s = parseList[forwardMostMove];
10594 ChessSquare p = boards[forwardMostMove][toY][toX];
10595 // forwardMostMove++; // [HGM] bare: moved downstream
10597 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10598 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10599 (void) CoordsToAlgebraic(boards[forwardMostMove],
10600 PosFlags(forwardMostMove),
10601 fromY, fromX, y, x, (killX < 0)*promoChar,
10603 if(kill2X >= 0 && kill2Y >= 0)
10604 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10605 if(killX >= 0 && killY >= 0)
10606 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10607 toX + AAA, toY + ONE - '0', promoChar);
10609 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10610 int timeLeft; static int lastLoadFlag=0; int king, piece;
10611 piece = boards[forwardMostMove][fromY][fromX];
10612 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10613 if(gameInfo.variant == VariantKnightmate)
10614 king += (int) WhiteUnicorn - (int) WhiteKing;
10615 if(forwardMostMove == 0) {
10616 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10617 fprintf(serverMoves, "%s;", UserName());
10618 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10619 fprintf(serverMoves, "%s;", second.tidy);
10620 fprintf(serverMoves, "%s;", first.tidy);
10621 if(gameMode == MachinePlaysWhite)
10622 fprintf(serverMoves, "%s;", UserName());
10623 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10624 fprintf(serverMoves, "%s;", second.tidy);
10625 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10626 lastLoadFlag = loadFlag;
10628 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10629 // print castling suffix
10630 if( toY == fromY && piece == king ) {
10632 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10634 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10637 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10638 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10639 boards[forwardMostMove][toY][toX] == EmptySquare
10640 && fromX != toX && fromY != toY)
10641 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10642 // promotion suffix
10643 if(promoChar != NULLCHAR) {
10644 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10645 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10646 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10647 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10650 char buf[MOVE_LEN*2], *p; int len;
10651 fprintf(serverMoves, "/%d/%d",
10652 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10653 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10654 else timeLeft = blackTimeRemaining/1000;
10655 fprintf(serverMoves, "/%d", timeLeft);
10656 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10657 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10658 if(p = strchr(buf, '=')) *p = NULLCHAR;
10659 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10660 fprintf(serverMoves, "/%s", buf);
10662 fflush(serverMoves);
10665 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10666 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10669 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10670 if (commentList[forwardMostMove+1] != NULL) {
10671 free(commentList[forwardMostMove+1]);
10672 commentList[forwardMostMove+1] = NULL;
10674 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10675 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10676 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10677 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10678 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10679 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10680 adjustedClock = FALSE;
10681 gameInfo.result = GameUnfinished;
10682 if (gameInfo.resultDetails != NULL) {
10683 free(gameInfo.resultDetails);
10684 gameInfo.resultDetails = NULL;
10686 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10687 moveList[forwardMostMove - 1]);
10688 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10694 if(!IS_SHOGI(gameInfo.variant))
10695 strcat(parseList[forwardMostMove - 1], "+");
10699 strcat(parseList[forwardMostMove - 1], "#");
10704 /* Updates currentMove if not pausing */
10706 ShowMove (int fromX, int fromY, int toX, int toY)
10708 int instant = (gameMode == PlayFromGameFile) ?
10709 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10710 if(appData.noGUI) return;
10711 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10713 if (forwardMostMove == currentMove + 1) {
10714 AnimateMove(boards[forwardMostMove - 1],
10715 fromX, fromY, toX, toY);
10718 currentMove = forwardMostMove;
10721 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10723 if (instant) return;
10725 DisplayMove(currentMove - 1);
10726 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10727 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10728 SetHighlights(fromX, fromY, toX, toY);
10731 DrawPosition(FALSE, boards[currentMove]);
10732 DisplayBothClocks();
10733 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10737 SendEgtPath (ChessProgramState *cps)
10738 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10739 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10741 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10744 char c, *q = name+1, *r, *s;
10746 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10747 while(*p && *p != ',') *q++ = *p++;
10748 *q++ = ':'; *q = 0;
10749 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10750 strcmp(name, ",nalimov:") == 0 ) {
10751 // take nalimov path from the menu-changeable option first, if it is defined
10752 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10753 SendToProgram(buf,cps); // send egtbpath command for nalimov
10755 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10756 (s = StrStr(appData.egtFormats, name)) != NULL) {
10757 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10758 s = r = StrStr(s, ":") + 1; // beginning of path info
10759 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10760 c = *r; *r = 0; // temporarily null-terminate path info
10761 *--q = 0; // strip of trailig ':' from name
10762 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10764 SendToProgram(buf,cps); // send egtbpath command for this format
10766 if(*p == ',') p++; // read away comma to position for next format name
10771 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10773 int width = 8, height = 8, holdings = 0; // most common sizes
10774 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10775 // correct the deviations default for each variant
10776 if( v == VariantXiangqi ) width = 9, height = 10;
10777 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10778 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10779 if( v == VariantCapablanca || v == VariantCapaRandom ||
10780 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10782 if( v == VariantCourier ) width = 12;
10783 if( v == VariantSuper ) holdings = 8;
10784 if( v == VariantGreat ) width = 10, holdings = 8;
10785 if( v == VariantSChess ) holdings = 7;
10786 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10787 if( v == VariantChuChess) width = 10, height = 10;
10788 if( v == VariantChu ) width = 12, height = 12;
10789 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10790 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10791 holdingsSize >= 0 && holdingsSize != holdings;
10794 char variantError[MSG_SIZ];
10797 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10798 { // returns error message (recognizable by upper-case) if engine does not support the variant
10799 char *p, *variant = VariantName(v);
10800 static char b[MSG_SIZ];
10801 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10802 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10803 holdingsSize, variant); // cook up sized variant name
10804 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10805 if(StrStr(list, b) == NULL) {
10806 // specific sized variant not known, check if general sizing allowed
10807 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10808 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10809 boardWidth, boardHeight, holdingsSize, engine);
10812 /* [HGM] here we really should compare with the maximum supported board size */
10814 } else snprintf(b, MSG_SIZ,"%s", variant);
10815 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10816 p = StrStr(list, b);
10817 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10819 // occurs not at all in list, or only as sub-string
10820 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10821 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10822 int l = strlen(variantError);
10824 while(p != list && p[-1] != ',') p--;
10825 q = strchr(p, ',');
10826 if(q) *q = NULLCHAR;
10827 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10836 InitChessProgram (ChessProgramState *cps, int setup)
10837 /* setup needed to setup FRC opening position */
10839 char buf[MSG_SIZ], *b;
10840 if (appData.noChessProgram) return;
10841 hintRequested = FALSE;
10842 bookRequested = FALSE;
10844 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10845 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10846 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10847 if(cps->memSize) { /* [HGM] memory */
10848 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10849 SendToProgram(buf, cps);
10851 SendEgtPath(cps); /* [HGM] EGT */
10852 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10853 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10854 SendToProgram(buf, cps);
10857 setboardSpoiledMachineBlack = FALSE;
10858 SendToProgram(cps->initString, cps);
10859 if (gameInfo.variant != VariantNormal &&
10860 gameInfo.variant != VariantLoadable
10861 /* [HGM] also send variant if board size non-standard */
10862 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10864 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10865 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10869 char c, *q = cps->variants, *p = strchr(q, ',');
10870 if(p) *p = NULLCHAR;
10871 v = StringToVariant(q);
10872 DisplayError(variantError, 0);
10873 if(v != VariantUnknown && cps == &first) {
10875 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10876 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10877 ASSIGN(appData.variant, q);
10878 Reset(TRUE, FALSE);
10884 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10885 SendToProgram(buf, cps);
10887 currentlyInitializedVariant = gameInfo.variant;
10889 /* [HGM] send opening position in FRC to first engine */
10891 SendToProgram("force\n", cps);
10893 /* engine is now in force mode! Set flag to wake it up after first move. */
10894 setboardSpoiledMachineBlack = 1;
10897 if (cps->sendICS) {
10898 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10899 SendToProgram(buf, cps);
10901 cps->maybeThinking = FALSE;
10902 cps->offeredDraw = 0;
10903 if (!appData.icsActive) {
10904 SendTimeControl(cps, movesPerSession, timeControl,
10905 timeIncrement, appData.searchDepth,
10908 if (appData.showThinking
10909 // [HGM] thinking: four options require thinking output to be sent
10910 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10912 SendToProgram("post\n", cps);
10914 SendToProgram("hard\n", cps);
10915 if (!appData.ponderNextMove) {
10916 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10917 it without being sure what state we are in first. "hard"
10918 is not a toggle, so that one is OK.
10920 SendToProgram("easy\n", cps);
10922 if (cps->usePing) {
10923 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10924 SendToProgram(buf, cps);
10926 cps->initDone = TRUE;
10927 ClearEngineOutputPane(cps == &second);
10932 ResendOptions (ChessProgramState *cps, int toEngine)
10933 { // send the stored value of the options
10935 static char buf2[MSG_SIZ*10];
10936 char buf[MSG_SIZ], *p = buf2;
10937 Option *opt = cps->option;
10939 for(i=0; i<cps->nrOptions; i++, opt++) {
10941 switch(opt->type) {
10945 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10946 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
10949 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10950 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
10953 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
10954 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
10962 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
10963 SendToProgram(buf2, cps);
10965 if(p != buf2) *p++ = ',';
10966 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
10975 StartChessProgram (ChessProgramState *cps)
10980 if (appData.noChessProgram) return;
10981 cps->initDone = FALSE;
10983 if (strcmp(cps->host, "localhost") == 0) {
10984 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10985 } else if (*appData.remoteShell == NULLCHAR) {
10986 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10988 if (*appData.remoteUser == NULLCHAR) {
10989 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10992 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10993 cps->host, appData.remoteUser, cps->program);
10995 err = StartChildProcess(buf, "", &cps->pr);
10999 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11000 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11001 if(cps != &first) return;
11002 appData.noChessProgram = TRUE;
11005 // DisplayFatalError(buf, err, 1);
11006 // cps->pr = NoProc;
11007 // cps->isr = NULL;
11011 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11012 if (cps->protocolVersion > 1) {
11013 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11014 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11015 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11016 cps->comboCnt = 0; // and values of combo boxes
11018 SendToProgram(buf, cps);
11019 if(cps->reload) ResendOptions(cps, TRUE);
11021 SendToProgram("xboard\n", cps);
11026 TwoMachinesEventIfReady P((void))
11028 static int curMess = 0;
11029 if (first.lastPing != first.lastPong) {
11030 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11031 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11034 if (second.lastPing != second.lastPong) {
11035 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11036 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11039 DisplayMessage("", ""); curMess = 0;
11040 TwoMachinesEvent();
11044 MakeName (char *template)
11048 static char buf[MSG_SIZ];
11052 clock = time((time_t *)NULL);
11053 tm = localtime(&clock);
11055 while(*p++ = *template++) if(p[-1] == '%') {
11056 switch(*template++) {
11057 case 0: *p = 0; return buf;
11058 case 'Y': i = tm->tm_year+1900; break;
11059 case 'y': i = tm->tm_year-100; break;
11060 case 'M': i = tm->tm_mon+1; break;
11061 case 'd': i = tm->tm_mday; break;
11062 case 'h': i = tm->tm_hour; break;
11063 case 'm': i = tm->tm_min; break;
11064 case 's': i = tm->tm_sec; break;
11067 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11073 CountPlayers (char *p)
11076 while(p = strchr(p, '\n')) p++, n++; // count participants
11081 WriteTourneyFile (char *results, FILE *f)
11082 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11083 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11084 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11085 // create a file with tournament description
11086 fprintf(f, "-participants {%s}\n", appData.participants);
11087 fprintf(f, "-seedBase %d\n", appData.seedBase);
11088 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11089 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11090 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11091 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11092 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11093 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11094 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11095 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11096 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11097 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11098 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11099 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11100 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11101 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11102 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11103 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11104 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11105 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11106 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11107 fprintf(f, "-smpCores %d\n", appData.smpCores);
11109 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11111 fprintf(f, "-mps %d\n", appData.movesPerSession);
11112 fprintf(f, "-tc %s\n", appData.timeControl);
11113 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11115 fprintf(f, "-results \"%s\"\n", results);
11120 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11123 Substitute (char *participants, int expunge)
11125 int i, changed, changes=0, nPlayers=0;
11126 char *p, *q, *r, buf[MSG_SIZ];
11127 if(participants == NULL) return;
11128 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11129 r = p = participants; q = appData.participants;
11130 while(*p && *p == *q) {
11131 if(*p == '\n') r = p+1, nPlayers++;
11134 if(*p) { // difference
11135 while(*p && *p++ != '\n')
11137 while(*q && *q++ != '\n')
11139 changed = nPlayers;
11140 changes = 1 + (strcmp(p, q) != 0);
11142 if(changes == 1) { // a single engine mnemonic was changed
11143 q = r; while(*q) nPlayers += (*q++ == '\n');
11144 p = buf; while(*r && (*p = *r++) != '\n') p++;
11146 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11147 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11148 if(mnemonic[i]) { // The substitute is valid
11150 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11151 flock(fileno(f), LOCK_EX);
11152 ParseArgsFromFile(f);
11153 fseek(f, 0, SEEK_SET);
11154 FREE(appData.participants); appData.participants = participants;
11155 if(expunge) { // erase results of replaced engine
11156 int len = strlen(appData.results), w, b, dummy;
11157 for(i=0; i<len; i++) {
11158 Pairing(i, nPlayers, &w, &b, &dummy);
11159 if((w == changed || b == changed) && appData.results[i] == '*') {
11160 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11165 for(i=0; i<len; i++) {
11166 Pairing(i, nPlayers, &w, &b, &dummy);
11167 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11170 WriteTourneyFile(appData.results, f);
11171 fclose(f); // release lock
11174 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11176 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11177 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11178 free(participants);
11183 CheckPlayers (char *participants)
11186 char buf[MSG_SIZ], *p;
11187 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11188 while(p = strchr(participants, '\n')) {
11190 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11192 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11194 DisplayError(buf, 0);
11198 participants = p + 1;
11204 CreateTourney (char *name)
11207 if(matchMode && strcmp(name, appData.tourneyFile)) {
11208 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11210 if(name[0] == NULLCHAR) {
11211 if(appData.participants[0])
11212 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11215 f = fopen(name, "r");
11216 if(f) { // file exists
11217 ASSIGN(appData.tourneyFile, name);
11218 ParseArgsFromFile(f); // parse it
11220 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11221 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11222 DisplayError(_("Not enough participants"), 0);
11225 if(CheckPlayers(appData.participants)) return 0;
11226 ASSIGN(appData.tourneyFile, name);
11227 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11228 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11231 appData.noChessProgram = FALSE;
11232 appData.clockMode = TRUE;
11238 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11240 char buf[2*MSG_SIZ], *p, *q;
11241 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11242 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11243 skip = !all && group[0]; // if group requested, we start in skip mode
11244 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11245 p = names; q = buf; header = 0;
11246 while(*p && *p != '\n') *q++ = *p++;
11248 if(*p == '\n') p++;
11249 if(buf[0] == '#') {
11250 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11251 depth++; // we must be entering a new group
11252 if(all) continue; // suppress printing group headers when complete list requested
11254 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11256 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11257 if(engineList[i]) free(engineList[i]);
11258 engineList[i] = strdup(buf);
11259 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11260 if(engineMnemonic[i]) free(engineMnemonic[i]);
11261 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11263 sscanf(q + 8, "%s", buf + strlen(buf));
11266 engineMnemonic[i] = strdup(buf);
11269 engineList[i] = engineMnemonic[i] = NULL;
11274 SaveEngineSettings (int n)
11276 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11277 if(!currentEngine[n] || !currentEngine[n][0]) return; // no engine from list is loaded
11278 p = strstr(firstChessProgramNames, currentEngine[n]);
11279 if(!p) return; // sanity check; engine could be deleted from list after loading
11280 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11281 len = strlen(currentEngine[n]);
11282 q = p + len; *p = 0; // cut list into head and tail piece
11283 s = strstr(currentEngine[n], "firstOptions");
11284 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11286 while(*r && *r != s[13]) r++;
11287 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11288 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11289 } else if(*optionSettings) {
11290 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11292 ASSIGN(currentEngine[n], buf); // updated engine line
11293 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11295 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11296 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11299 // following implemented as macro to avoid type limitations
11300 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11303 SwapEngines (int n)
11304 { // swap settings for first engine and other engine (so far only some selected options)
11309 SWAP(chessProgram, p)
11311 SWAP(hasOwnBookUCI, h)
11312 SWAP(protocolVersion, h)
11314 SWAP(scoreIsAbsolute, h)
11319 SWAP(engOptions, p)
11320 SWAP(engInitString, p)
11321 SWAP(computerString, p)
11323 SWAP(fenOverride, p)
11325 SWAP(accumulateTC, h)
11332 GetEngineLine (char *s, int n)
11336 extern char *icsNames;
11337 if(!s || !*s) return 0;
11338 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11339 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11340 if(!mnemonic[i]) return 0;
11341 if(n == 11) return 1; // just testing if there was a match
11342 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11343 if(n == 1) SwapEngines(n);
11344 ParseArgsFromString(buf);
11345 if(n == 1) SwapEngines(n);
11346 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11347 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11348 ParseArgsFromString(buf);
11354 SetPlayer (int player, char *p)
11355 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11357 char buf[MSG_SIZ], *engineName;
11358 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11359 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11360 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11362 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11363 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11364 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11365 ParseArgsFromString(buf);
11366 } else { // no engine with this nickname is installed!
11367 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11368 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11369 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11371 DisplayError(buf, 0);
11378 char *recentEngines;
11381 RecentEngineEvent (int nr)
11384 // SwapEngines(1); // bump first to second
11385 // ReplaceEngine(&second, 1); // and load it there
11386 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11387 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11388 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11389 ReplaceEngine(&first, 0);
11390 FloatToFront(&appData.recentEngineList, command[n]);
11395 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11396 { // determine players from game number
11397 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11399 if(appData.tourneyType == 0) {
11400 roundsPerCycle = (nPlayers - 1) | 1;
11401 pairingsPerRound = nPlayers / 2;
11402 } else if(appData.tourneyType > 0) {
11403 roundsPerCycle = nPlayers - appData.tourneyType;
11404 pairingsPerRound = appData.tourneyType;
11406 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11407 gamesPerCycle = gamesPerRound * roundsPerCycle;
11408 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11409 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11410 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11411 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11412 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11413 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11415 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11416 if(appData.roundSync) *syncInterval = gamesPerRound;
11418 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11420 if(appData.tourneyType == 0) {
11421 if(curPairing == (nPlayers-1)/2 ) {
11422 *whitePlayer = curRound;
11423 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11425 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11426 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11427 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11428 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11430 } else if(appData.tourneyType > 1) {
11431 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11432 *whitePlayer = curRound + appData.tourneyType;
11433 } else if(appData.tourneyType > 0) {
11434 *whitePlayer = curPairing;
11435 *blackPlayer = curRound + appData.tourneyType;
11438 // take care of white/black alternation per round.
11439 // For cycles and games this is already taken care of by default, derived from matchGame!
11440 return curRound & 1;
11444 NextTourneyGame (int nr, int *swapColors)
11445 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11447 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11449 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11450 tf = fopen(appData.tourneyFile, "r");
11451 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11452 ParseArgsFromFile(tf); fclose(tf);
11453 InitTimeControls(); // TC might be altered from tourney file
11455 nPlayers = CountPlayers(appData.participants); // count participants
11456 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11457 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11460 p = q = appData.results;
11461 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11462 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11463 DisplayMessage(_("Waiting for other game(s)"),"");
11464 waitingForGame = TRUE;
11465 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11468 waitingForGame = FALSE;
11471 if(appData.tourneyType < 0) {
11472 if(nr>=0 && !pairingReceived) {
11474 if(pairing.pr == NoProc) {
11475 if(!appData.pairingEngine[0]) {
11476 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11479 StartChessProgram(&pairing); // starts the pairing engine
11481 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11482 SendToProgram(buf, &pairing);
11483 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11484 SendToProgram(buf, &pairing);
11485 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11487 pairingReceived = 0; // ... so we continue here
11489 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11490 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11491 matchGame = 1; roundNr = nr / syncInterval + 1;
11494 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11496 // redefine engines, engine dir, etc.
11497 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11498 if(first.pr == NoProc) {
11499 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11500 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11502 if(second.pr == NoProc) {
11504 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11505 SwapEngines(1); // and make that valid for second engine by swapping
11506 InitEngine(&second, 1);
11508 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11509 UpdateLogos(FALSE); // leave display to ModeHiglight()
11515 { // performs game initialization that does not invoke engines, and then tries to start the game
11516 int res, firstWhite, swapColors = 0;
11517 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11518 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
11520 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11521 if(strcmp(buf, currentDebugFile)) { // name has changed
11522 FILE *f = fopen(buf, "w");
11523 if(f) { // if opening the new file failed, just keep using the old one
11524 ASSIGN(currentDebugFile, buf);
11528 if(appData.serverFileName) {
11529 if(serverFP) fclose(serverFP);
11530 serverFP = fopen(appData.serverFileName, "w");
11531 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11532 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11536 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11537 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11538 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11539 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11540 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11541 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11542 Reset(FALSE, first.pr != NoProc);
11543 res = LoadGameOrPosition(matchGame); // setup game
11544 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11545 if(!res) return; // abort when bad game/pos file
11546 if(appData.epd) {// in EPD mode we make sure first engine is to move
11547 firstWhite = !(forwardMostMove & 1);
11548 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11549 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11551 TwoMachinesEvent();
11555 UserAdjudicationEvent (int result)
11557 ChessMove gameResult = GameIsDrawn;
11560 gameResult = WhiteWins;
11562 else if( result < 0 ) {
11563 gameResult = BlackWins;
11566 if( gameMode == TwoMachinesPlay ) {
11567 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11572 // [HGM] save: calculate checksum of game to make games easily identifiable
11574 StringCheckSum (char *s)
11577 if(s==NULL) return 0;
11578 while(*s) i = i*259 + *s++;
11586 for(i=backwardMostMove; i<forwardMostMove; i++) {
11587 sum += pvInfoList[i].depth;
11588 sum += StringCheckSum(parseList[i]);
11589 sum += StringCheckSum(commentList[i]);
11592 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11593 return sum + StringCheckSum(commentList[i]);
11594 } // end of save patch
11597 GameEnds (ChessMove result, char *resultDetails, int whosays)
11599 GameMode nextGameMode;
11601 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11603 if(endingGame) return; /* [HGM] crash: forbid recursion */
11605 if(twoBoards) { // [HGM] dual: switch back to one board
11606 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11607 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11609 if (appData.debugMode) {
11610 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11611 result, resultDetails ? resultDetails : "(null)", whosays);
11614 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11616 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11618 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11619 /* If we are playing on ICS, the server decides when the
11620 game is over, but the engine can offer to draw, claim
11624 if (appData.zippyPlay && first.initDone) {
11625 if (result == GameIsDrawn) {
11626 /* In case draw still needs to be claimed */
11627 SendToICS(ics_prefix);
11628 SendToICS("draw\n");
11629 } else if (StrCaseStr(resultDetails, "resign")) {
11630 SendToICS(ics_prefix);
11631 SendToICS("resign\n");
11635 endingGame = 0; /* [HGM] crash */
11639 /* If we're loading the game from a file, stop */
11640 if (whosays == GE_FILE) {
11641 (void) StopLoadGameTimer();
11645 /* Cancel draw offers */
11646 first.offeredDraw = second.offeredDraw = 0;
11648 /* If this is an ICS game, only ICS can really say it's done;
11649 if not, anyone can. */
11650 isIcsGame = (gameMode == IcsPlayingWhite ||
11651 gameMode == IcsPlayingBlack ||
11652 gameMode == IcsObserving ||
11653 gameMode == IcsExamining);
11655 if (!isIcsGame || whosays == GE_ICS) {
11656 /* OK -- not an ICS game, or ICS said it was done */
11658 if (!isIcsGame && !appData.noChessProgram)
11659 SetUserThinkingEnables();
11661 /* [HGM] if a machine claims the game end we verify this claim */
11662 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11663 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11665 ChessMove trueResult = (ChessMove) -1;
11667 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11668 first.twoMachinesColor[0] :
11669 second.twoMachinesColor[0] ;
11671 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11672 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11673 /* [HGM] verify: engine mate claims accepted if they were flagged */
11674 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11676 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11677 /* [HGM] verify: engine mate claims accepted if they were flagged */
11678 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11681 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11684 // now verify win claims, but not in drop games, as we don't understand those yet
11685 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11686 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11687 (result == WhiteWins && claimer == 'w' ||
11688 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11689 if (appData.debugMode) {
11690 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11691 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11693 if(result != trueResult) {
11694 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11695 result = claimer == 'w' ? BlackWins : WhiteWins;
11696 resultDetails = buf;
11699 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11700 && (forwardMostMove <= backwardMostMove ||
11701 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11702 (claimer=='b')==(forwardMostMove&1))
11704 /* [HGM] verify: draws that were not flagged are false claims */
11705 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11706 result = claimer == 'w' ? BlackWins : WhiteWins;
11707 resultDetails = buf;
11709 /* (Claiming a loss is accepted no questions asked!) */
11710 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11711 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11712 result = GameUnfinished;
11713 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11715 /* [HGM] bare: don't allow bare King to win */
11716 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11717 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11718 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11719 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11720 && result != GameIsDrawn)
11721 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11722 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11723 int p = (int)boards[forwardMostMove][i][j] - color;
11724 if(p >= 0 && p <= (int)WhiteKing) k++;
11725 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11727 if (appData.debugMode) {
11728 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11729 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11731 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11732 result = GameIsDrawn;
11733 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11734 resultDetails = buf;
11740 if(serverMoves != NULL && !loadFlag) { char c = '=';
11741 if(result==WhiteWins) c = '+';
11742 if(result==BlackWins) c = '-';
11743 if(resultDetails != NULL)
11744 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11746 if (resultDetails != NULL) {
11747 gameInfo.result = result;
11748 gameInfo.resultDetails = StrSave(resultDetails);
11750 /* display last move only if game was not loaded from file */
11751 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11752 DisplayMove(currentMove - 1);
11754 if (forwardMostMove != 0) {
11755 if (gameMode != PlayFromGameFile && gameMode != EditGame
11756 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11758 if (*appData.saveGameFile != NULLCHAR) {
11759 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11760 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11762 SaveGameToFile(appData.saveGameFile, TRUE);
11763 } else if (appData.autoSaveGames) {
11764 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11766 if (*appData.savePositionFile != NULLCHAR) {
11767 SavePositionToFile(appData.savePositionFile);
11769 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11773 /* Tell program how game ended in case it is learning */
11774 /* [HGM] Moved this to after saving the PGN, just in case */
11775 /* engine died and we got here through time loss. In that */
11776 /* case we will get a fatal error writing the pipe, which */
11777 /* would otherwise lose us the PGN. */
11778 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11779 /* output during GameEnds should never be fatal anymore */
11780 if (gameMode == MachinePlaysWhite ||
11781 gameMode == MachinePlaysBlack ||
11782 gameMode == TwoMachinesPlay ||
11783 gameMode == IcsPlayingWhite ||
11784 gameMode == IcsPlayingBlack ||
11785 gameMode == BeginningOfGame) {
11787 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11789 if (first.pr != NoProc) {
11790 SendToProgram(buf, &first);
11792 if (second.pr != NoProc &&
11793 gameMode == TwoMachinesPlay) {
11794 SendToProgram(buf, &second);
11799 if (appData.icsActive) {
11800 if (appData.quietPlay &&
11801 (gameMode == IcsPlayingWhite ||
11802 gameMode == IcsPlayingBlack)) {
11803 SendToICS(ics_prefix);
11804 SendToICS("set shout 1\n");
11806 nextGameMode = IcsIdle;
11807 ics_user_moved = FALSE;
11808 /* clean up premove. It's ugly when the game has ended and the
11809 * premove highlights are still on the board.
11812 gotPremove = FALSE;
11813 ClearPremoveHighlights();
11814 DrawPosition(FALSE, boards[currentMove]);
11816 if (whosays == GE_ICS) {
11819 if (gameMode == IcsPlayingWhite)
11821 else if(gameMode == IcsPlayingBlack)
11822 PlayIcsLossSound();
11825 if (gameMode == IcsPlayingBlack)
11827 else if(gameMode == IcsPlayingWhite)
11828 PlayIcsLossSound();
11831 PlayIcsDrawSound();
11834 PlayIcsUnfinishedSound();
11837 if(appData.quitNext) { ExitEvent(0); return; }
11838 } else if (gameMode == EditGame ||
11839 gameMode == PlayFromGameFile ||
11840 gameMode == AnalyzeMode ||
11841 gameMode == AnalyzeFile) {
11842 nextGameMode = gameMode;
11844 nextGameMode = EndOfGame;
11849 nextGameMode = gameMode;
11852 if (appData.noChessProgram) {
11853 gameMode = nextGameMode;
11855 endingGame = 0; /* [HGM] crash */
11860 /* Put first chess program into idle state */
11861 if (first.pr != NoProc &&
11862 (gameMode == MachinePlaysWhite ||
11863 gameMode == MachinePlaysBlack ||
11864 gameMode == TwoMachinesPlay ||
11865 gameMode == IcsPlayingWhite ||
11866 gameMode == IcsPlayingBlack ||
11867 gameMode == BeginningOfGame)) {
11868 SendToProgram("force\n", &first);
11869 if (first.usePing) {
11871 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11872 SendToProgram(buf, &first);
11875 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11876 /* Kill off first chess program */
11877 if (first.isr != NULL)
11878 RemoveInputSource(first.isr);
11881 if (first.pr != NoProc) {
11883 DoSleep( appData.delayBeforeQuit );
11884 SendToProgram("quit\n", &first);
11885 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11886 first.reload = TRUE;
11890 if (second.reuse) {
11891 /* Put second chess program into idle state */
11892 if (second.pr != NoProc &&
11893 gameMode == TwoMachinesPlay) {
11894 SendToProgram("force\n", &second);
11895 if (second.usePing) {
11897 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11898 SendToProgram(buf, &second);
11901 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11902 /* Kill off second chess program */
11903 if (second.isr != NULL)
11904 RemoveInputSource(second.isr);
11907 if (second.pr != NoProc) {
11908 DoSleep( appData.delayBeforeQuit );
11909 SendToProgram("quit\n", &second);
11910 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11911 second.reload = TRUE;
11913 second.pr = NoProc;
11916 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11917 char resChar = '=';
11921 if (first.twoMachinesColor[0] == 'w') {
11924 second.matchWins++;
11929 if (first.twoMachinesColor[0] == 'b') {
11932 second.matchWins++;
11935 case GameUnfinished:
11941 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11942 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11943 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11944 ReserveGame(nextGame, resChar); // sets nextGame
11945 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11946 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11947 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11949 if (nextGame <= appData.matchGames && !abortMatch) {
11950 gameMode = nextGameMode;
11951 matchGame = nextGame; // this will be overruled in tourney mode!
11952 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11953 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11954 endingGame = 0; /* [HGM] crash */
11957 gameMode = nextGameMode;
11959 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11960 OutputKibitz(2, buf);
11961 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11962 OutputKibitz(2, buf);
11963 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11964 if(second.matchWins) OutputKibitz(2, buf);
11965 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11966 OutputKibitz(2, buf);
11968 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11969 first.tidy, second.tidy,
11970 first.matchWins, second.matchWins,
11971 appData.matchGames - (first.matchWins + second.matchWins));
11972 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11973 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11974 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11975 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11976 first.twoMachinesColor = "black\n";
11977 second.twoMachinesColor = "white\n";
11979 first.twoMachinesColor = "white\n";
11980 second.twoMachinesColor = "black\n";
11984 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11985 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11987 gameMode = nextGameMode;
11989 endingGame = 0; /* [HGM] crash */
11990 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11991 if(matchMode == TRUE) { // match through command line: exit with or without popup
11993 ToNrEvent(forwardMostMove);
11994 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11996 } else DisplayFatalError(buf, 0, 0);
11997 } else { // match through menu; just stop, with or without popup
11998 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12001 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12002 } else DisplayNote(buf);
12004 if(ranking) free(ranking);
12008 /* Assumes program was just initialized (initString sent).
12009 Leaves program in force mode. */
12011 FeedMovesToProgram (ChessProgramState *cps, int upto)
12015 if (appData.debugMode)
12016 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12017 startedFromSetupPosition ? "position and " : "",
12018 backwardMostMove, upto, cps->which);
12019 if(currentlyInitializedVariant != gameInfo.variant) {
12021 // [HGM] variantswitch: make engine aware of new variant
12022 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12023 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12024 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12025 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12026 SendToProgram(buf, cps);
12027 currentlyInitializedVariant = gameInfo.variant;
12029 SendToProgram("force\n", cps);
12030 if (startedFromSetupPosition) {
12031 SendBoard(cps, backwardMostMove);
12032 if (appData.debugMode) {
12033 fprintf(debugFP, "feedMoves\n");
12036 for (i = backwardMostMove; i < upto; i++) {
12037 SendMoveToProgram(i, cps);
12043 ResurrectChessProgram ()
12045 /* The chess program may have exited.
12046 If so, restart it and feed it all the moves made so far. */
12047 static int doInit = 0;
12049 if (appData.noChessProgram) return 1;
12051 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12052 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12053 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12054 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12056 if (first.pr != NoProc) return 1;
12057 StartChessProgram(&first);
12059 InitChessProgram(&first, FALSE);
12060 FeedMovesToProgram(&first, currentMove);
12062 if (!first.sendTime) {
12063 /* can't tell gnuchess what its clock should read,
12064 so we bow to its notion. */
12066 timeRemaining[0][currentMove] = whiteTimeRemaining;
12067 timeRemaining[1][currentMove] = blackTimeRemaining;
12070 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12071 appData.icsEngineAnalyze) && first.analysisSupport) {
12072 SendToProgram("analyze\n", &first);
12073 first.analyzing = TRUE;
12079 * Button procedures
12082 Reset (int redraw, int init)
12086 if (appData.debugMode) {
12087 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12088 redraw, init, gameMode);
12090 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12091 deadRanks = 0; // assume entire board is used
12092 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12093 CleanupTail(); // [HGM] vari: delete any stored variations
12094 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12095 pausing = pauseExamInvalid = FALSE;
12096 startedFromSetupPosition = blackPlaysFirst = FALSE;
12098 whiteFlag = blackFlag = FALSE;
12099 userOfferedDraw = FALSE;
12100 hintRequested = bookRequested = FALSE;
12101 first.maybeThinking = FALSE;
12102 second.maybeThinking = FALSE;
12103 first.bookSuspend = FALSE; // [HGM] book
12104 second.bookSuspend = FALSE;
12105 thinkOutput[0] = NULLCHAR;
12106 lastHint[0] = NULLCHAR;
12107 ClearGameInfo(&gameInfo);
12108 gameInfo.variant = StringToVariant(appData.variant);
12109 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12110 gameInfo.variant = VariantUnknown;
12111 strncpy(engineVariant, appData.variant, MSG_SIZ);
12113 ics_user_moved = ics_clock_paused = FALSE;
12114 ics_getting_history = H_FALSE;
12116 white_holding[0] = black_holding[0] = NULLCHAR;
12117 ClearProgramStats();
12118 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12122 flipView = appData.flipView;
12123 ClearPremoveHighlights();
12124 gotPremove = FALSE;
12125 alarmSounded = FALSE;
12126 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12128 GameEnds(EndOfFile, NULL, GE_PLAYER);
12129 if(appData.serverMovesName != NULL) {
12130 /* [HGM] prepare to make moves file for broadcasting */
12131 clock_t t = clock();
12132 if(serverMoves != NULL) fclose(serverMoves);
12133 serverMoves = fopen(appData.serverMovesName, "r");
12134 if(serverMoves != NULL) {
12135 fclose(serverMoves);
12136 /* delay 15 sec before overwriting, so all clients can see end */
12137 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12139 serverMoves = fopen(appData.serverMovesName, "w");
12143 gameMode = BeginningOfGame;
12145 if(appData.icsActive) gameInfo.variant = VariantNormal;
12146 currentMove = forwardMostMove = backwardMostMove = 0;
12147 MarkTargetSquares(1);
12148 InitPosition(redraw);
12149 for (i = 0; i < MAX_MOVES; i++) {
12150 if (commentList[i] != NULL) {
12151 free(commentList[i]);
12152 commentList[i] = NULL;
12156 timeRemaining[0][0] = whiteTimeRemaining;
12157 timeRemaining[1][0] = blackTimeRemaining;
12159 if (first.pr == NoProc) {
12160 StartChessProgram(&first);
12163 InitChessProgram(&first, startedFromSetupPosition);
12166 DisplayMessage("", "");
12167 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12168 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12169 ClearMap(); // [HGM] exclude: invalidate map
12173 AutoPlayGameLoop ()
12176 if (!AutoPlayOneMove())
12178 if (matchMode || appData.timeDelay == 0)
12180 if (appData.timeDelay < 0)
12182 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12190 ReloadGame(1); // next game
12196 int fromX, fromY, toX, toY;
12198 if (appData.debugMode) {
12199 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12202 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12205 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12206 pvInfoList[currentMove].depth = programStats.depth;
12207 pvInfoList[currentMove].score = programStats.score;
12208 pvInfoList[currentMove].time = 0;
12209 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12210 else { // append analysis of final position as comment
12212 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12213 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12215 programStats.depth = 0;
12218 if (currentMove >= forwardMostMove) {
12219 if(gameMode == AnalyzeFile) {
12220 if(appData.loadGameIndex == -1) {
12221 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12222 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12224 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12227 // gameMode = EndOfGame;
12228 // ModeHighlight();
12230 /* [AS] Clear current move marker at the end of a game */
12231 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12236 toX = moveList[currentMove][2] - AAA;
12237 toY = moveList[currentMove][3] - ONE;
12239 if (moveList[currentMove][1] == '@') {
12240 if (appData.highlightLastMove) {
12241 SetHighlights(-1, -1, toX, toY);
12244 fromX = moveList[currentMove][0] - AAA;
12245 fromY = moveList[currentMove][1] - ONE;
12247 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12249 if(moveList[currentMove][4] == ';') { // multi-leg
12250 killX = moveList[currentMove][5] - AAA;
12251 killY = moveList[currentMove][6] - ONE;
12253 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12254 killX = killY = -1;
12256 if (appData.highlightLastMove) {
12257 SetHighlights(fromX, fromY, toX, toY);
12260 DisplayMove(currentMove);
12261 SendMoveToProgram(currentMove++, &first);
12262 DisplayBothClocks();
12263 DrawPosition(FALSE, boards[currentMove]);
12264 // [HGM] PV info: always display, routine tests if empty
12265 DisplayComment(currentMove - 1, commentList[currentMove]);
12271 LoadGameOneMove (ChessMove readAhead)
12273 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12274 char promoChar = NULLCHAR;
12275 ChessMove moveType;
12276 char move[MSG_SIZ];
12279 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12280 gameMode != AnalyzeMode && gameMode != Training) {
12285 yyboardindex = forwardMostMove;
12286 if (readAhead != EndOfFile) {
12287 moveType = readAhead;
12289 if (gameFileFP == NULL)
12291 moveType = (ChessMove) Myylex();
12295 switch (moveType) {
12297 if (appData.debugMode)
12298 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12301 /* append the comment but don't display it */
12302 AppendComment(currentMove, p, FALSE);
12305 case WhiteCapturesEnPassant:
12306 case BlackCapturesEnPassant:
12307 case WhitePromotion:
12308 case BlackPromotion:
12309 case WhiteNonPromotion:
12310 case BlackNonPromotion:
12313 case WhiteKingSideCastle:
12314 case WhiteQueenSideCastle:
12315 case BlackKingSideCastle:
12316 case BlackQueenSideCastle:
12317 case WhiteKingSideCastleWild:
12318 case WhiteQueenSideCastleWild:
12319 case BlackKingSideCastleWild:
12320 case BlackQueenSideCastleWild:
12322 case WhiteHSideCastleFR:
12323 case WhiteASideCastleFR:
12324 case BlackHSideCastleFR:
12325 case BlackASideCastleFR:
12327 if (appData.debugMode)
12328 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12329 fromX = currentMoveString[0] - AAA;
12330 fromY = currentMoveString[1] - ONE;
12331 toX = currentMoveString[2] - AAA;
12332 toY = currentMoveString[3] - ONE;
12333 promoChar = currentMoveString[4];
12334 if(promoChar == ';') promoChar = currentMoveString[7];
12339 if (appData.debugMode)
12340 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12341 fromX = moveType == WhiteDrop ?
12342 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12343 (int) CharToPiece(ToLower(currentMoveString[0]));
12345 toX = currentMoveString[2] - AAA;
12346 toY = currentMoveString[3] - ONE;
12352 case GameUnfinished:
12353 if (appData.debugMode)
12354 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12355 p = strchr(yy_text, '{');
12356 if (p == NULL) p = strchr(yy_text, '(');
12359 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12361 q = strchr(p, *p == '{' ? '}' : ')');
12362 if (q != NULL) *q = NULLCHAR;
12365 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12366 GameEnds(moveType, p, GE_FILE);
12368 if (cmailMsgLoaded) {
12370 flipView = WhiteOnMove(currentMove);
12371 if (moveType == GameUnfinished) flipView = !flipView;
12372 if (appData.debugMode)
12373 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12378 if (appData.debugMode)
12379 fprintf(debugFP, "Parser hit end of file\n");
12380 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12386 if (WhiteOnMove(currentMove)) {
12387 GameEnds(BlackWins, "Black mates", GE_FILE);
12389 GameEnds(WhiteWins, "White mates", GE_FILE);
12393 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12399 case MoveNumberOne:
12400 if (lastLoadGameStart == GNUChessGame) {
12401 /* GNUChessGames have numbers, but they aren't move numbers */
12402 if (appData.debugMode)
12403 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12404 yy_text, (int) moveType);
12405 return LoadGameOneMove(EndOfFile); /* tail recursion */
12407 /* else fall thru */
12412 /* Reached start of next game in file */
12413 if (appData.debugMode)
12414 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12415 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12421 if (WhiteOnMove(currentMove)) {
12422 GameEnds(BlackWins, "Black mates", GE_FILE);
12424 GameEnds(WhiteWins, "White mates", GE_FILE);
12428 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12434 case PositionDiagram: /* should not happen; ignore */
12435 case ElapsedTime: /* ignore */
12436 case NAG: /* ignore */
12437 if (appData.debugMode)
12438 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12439 yy_text, (int) moveType);
12440 return LoadGameOneMove(EndOfFile); /* tail recursion */
12443 if (appData.testLegality) {
12444 if (appData.debugMode)
12445 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12446 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12447 (forwardMostMove / 2) + 1,
12448 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12449 DisplayError(move, 0);
12452 if (appData.debugMode)
12453 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12454 yy_text, currentMoveString);
12455 if(currentMoveString[1] == '@') {
12456 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12459 fromX = currentMoveString[0] - AAA;
12460 fromY = currentMoveString[1] - ONE;
12462 toX = currentMoveString[2] - AAA;
12463 toY = currentMoveString[3] - ONE;
12464 promoChar = currentMoveString[4];
12468 case AmbiguousMove:
12469 if (appData.debugMode)
12470 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12471 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12472 (forwardMostMove / 2) + 1,
12473 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12474 DisplayError(move, 0);
12479 case ImpossibleMove:
12480 if (appData.debugMode)
12481 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12482 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12483 (forwardMostMove / 2) + 1,
12484 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12485 DisplayError(move, 0);
12491 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12492 DrawPosition(FALSE, boards[currentMove]);
12493 DisplayBothClocks();
12494 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12495 DisplayComment(currentMove - 1, commentList[currentMove]);
12497 (void) StopLoadGameTimer();
12499 cmailOldMove = forwardMostMove;
12502 /* currentMoveString is set as a side-effect of yylex */
12504 thinkOutput[0] = NULLCHAR;
12505 MakeMove(fromX, fromY, toX, toY, promoChar);
12506 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12507 currentMove = forwardMostMove;
12512 /* Load the nth game from the given file */
12514 LoadGameFromFile (char *filename, int n, char *title, int useList)
12519 if (strcmp(filename, "-") == 0) {
12523 f = fopen(filename, "rb");
12525 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12526 DisplayError(buf, errno);
12530 if (fseek(f, 0, 0) == -1) {
12531 /* f is not seekable; probably a pipe */
12534 if (useList && n == 0) {
12535 int error = GameListBuild(f);
12537 DisplayError(_("Cannot build game list"), error);
12538 } else if (!ListEmpty(&gameList) &&
12539 ((ListGame *) gameList.tailPred)->number > 1) {
12540 GameListPopUp(f, title);
12547 return LoadGame(f, n, title, FALSE);
12552 MakeRegisteredMove ()
12554 int fromX, fromY, toX, toY;
12556 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12557 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12560 if (appData.debugMode)
12561 fprintf(debugFP, "Restoring %s for game %d\n",
12562 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12564 thinkOutput[0] = NULLCHAR;
12565 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12566 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12567 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12568 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12569 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12570 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12571 MakeMove(fromX, fromY, toX, toY, promoChar);
12572 ShowMove(fromX, fromY, toX, toY);
12574 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12581 if (WhiteOnMove(currentMove)) {
12582 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12584 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12589 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12596 if (WhiteOnMove(currentMove)) {
12597 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12599 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12604 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12615 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12617 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12621 if (gameNumber > nCmailGames) {
12622 DisplayError(_("No more games in this message"), 0);
12625 if (f == lastLoadGameFP) {
12626 int offset = gameNumber - lastLoadGameNumber;
12628 cmailMsg[0] = NULLCHAR;
12629 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12630 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12631 nCmailMovesRegistered--;
12633 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12634 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12635 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12638 if (! RegisterMove()) return FALSE;
12642 retVal = LoadGame(f, gameNumber, title, useList);
12644 /* Make move registered during previous look at this game, if any */
12645 MakeRegisteredMove();
12647 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12648 commentList[currentMove]
12649 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12650 DisplayComment(currentMove - 1, commentList[currentMove]);
12656 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12658 ReloadGame (int offset)
12660 int gameNumber = lastLoadGameNumber + offset;
12661 if (lastLoadGameFP == NULL) {
12662 DisplayError(_("No game has been loaded yet"), 0);
12665 if (gameNumber <= 0) {
12666 DisplayError(_("Can't back up any further"), 0);
12669 if (cmailMsgLoaded) {
12670 return CmailLoadGame(lastLoadGameFP, gameNumber,
12671 lastLoadGameTitle, lastLoadGameUseList);
12673 return LoadGame(lastLoadGameFP, gameNumber,
12674 lastLoadGameTitle, lastLoadGameUseList);
12678 int keys[EmptySquare+1];
12681 PositionMatches (Board b1, Board b2)
12684 switch(appData.searchMode) {
12685 case 1: return CompareWithRights(b1, b2);
12687 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12688 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12692 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12693 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12694 sum += keys[b1[r][f]] - keys[b2[r][f]];
12698 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12699 sum += keys[b1[r][f]] - keys[b2[r][f]];
12711 int pieceList[256], quickBoard[256];
12712 ChessSquare pieceType[256] = { EmptySquare };
12713 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12714 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12715 int soughtTotal, turn;
12716 Boolean epOK, flipSearch;
12719 unsigned char piece, to;
12722 #define DSIZE (250000)
12724 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12725 Move *moveDatabase = initialSpace;
12726 unsigned int movePtr, dataSize = DSIZE;
12729 MakePieceList (Board board, int *counts)
12731 int r, f, n=Q_PROMO, total=0;
12732 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12733 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12734 int sq = f + (r<<4);
12735 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12736 quickBoard[sq] = ++n;
12738 pieceType[n] = board[r][f];
12739 counts[board[r][f]]++;
12740 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12741 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12745 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12750 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12752 int sq = fromX + (fromY<<4);
12753 int piece = quickBoard[sq], rook;
12754 quickBoard[sq] = 0;
12755 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12756 if(piece == pieceList[1] && fromY == toY) {
12757 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12758 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12759 moveDatabase[movePtr++].piece = Q_WCASTL;
12760 quickBoard[sq] = piece;
12761 piece = quickBoard[from]; quickBoard[from] = 0;
12762 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12763 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12764 quickBoard[sq] = 0; // remove Rook
12765 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12766 moveDatabase[movePtr++].piece = Q_WCASTL;
12767 quickBoard[sq] = pieceList[1]; // put King
12769 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12772 if(piece == pieceList[2] && fromY == toY) {
12773 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12774 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12775 moveDatabase[movePtr++].piece = Q_BCASTL;
12776 quickBoard[sq] = piece;
12777 piece = quickBoard[from]; quickBoard[from] = 0;
12778 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12779 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12780 quickBoard[sq] = 0; // remove Rook
12781 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12782 moveDatabase[movePtr++].piece = Q_BCASTL;
12783 quickBoard[sq] = pieceList[2]; // put King
12785 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12788 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12789 quickBoard[(fromY<<4)+toX] = 0;
12790 moveDatabase[movePtr].piece = Q_EP;
12791 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12792 moveDatabase[movePtr].to = sq;
12794 if(promoPiece != pieceType[piece]) {
12795 moveDatabase[movePtr++].piece = Q_PROMO;
12796 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12798 moveDatabase[movePtr].piece = piece;
12799 quickBoard[sq] = piece;
12804 PackGame (Board board)
12806 Move *newSpace = NULL;
12807 moveDatabase[movePtr].piece = 0; // terminate previous game
12808 if(movePtr > dataSize) {
12809 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12810 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12811 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12814 Move *p = moveDatabase, *q = newSpace;
12815 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12816 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12817 moveDatabase = newSpace;
12818 } else { // calloc failed, we must be out of memory. Too bad...
12819 dataSize = 0; // prevent calloc events for all subsequent games
12820 return 0; // and signal this one isn't cached
12824 MakePieceList(board, counts);
12829 QuickCompare (Board board, int *minCounts, int *maxCounts)
12830 { // compare according to search mode
12832 switch(appData.searchMode)
12834 case 1: // exact position match
12835 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12836 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12837 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12840 case 2: // can have extra material on empty squares
12841 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12842 if(board[r][f] == EmptySquare) continue;
12843 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12846 case 3: // material with exact Pawn structure
12847 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12848 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12849 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12850 } // fall through to material comparison
12851 case 4: // exact material
12852 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12854 case 6: // material range with given imbalance
12855 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12856 // fall through to range comparison
12857 case 5: // material range
12858 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12864 QuickScan (Board board, Move *move)
12865 { // reconstruct game,and compare all positions in it
12866 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12868 int piece = move->piece;
12869 int to = move->to, from = pieceList[piece];
12870 if(found < 0) { // if already found just scan to game end for final piece count
12871 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12872 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12873 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12874 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12876 static int lastCounts[EmptySquare+1];
12878 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12879 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12880 } else stretch = 0;
12881 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12882 if(found >= 0 && !appData.minPieces) return found;
12884 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12885 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12886 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12887 piece = (++move)->piece;
12888 from = pieceList[piece];
12889 counts[pieceType[piece]]--;
12890 pieceType[piece] = (ChessSquare) move->to;
12891 counts[move->to]++;
12892 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12893 counts[pieceType[quickBoard[to]]]--;
12894 quickBoard[to] = 0; total--;
12897 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12898 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12899 from = pieceList[piece]; // so this must be King
12900 quickBoard[from] = 0;
12901 pieceList[piece] = to;
12902 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12903 quickBoard[from] = 0; // rook
12904 quickBoard[to] = piece;
12905 to = move->to; piece = move->piece;
12909 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12910 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12911 quickBoard[from] = 0;
12913 quickBoard[to] = piece;
12914 pieceList[piece] = to;
12924 flipSearch = FALSE;
12925 CopyBoard(soughtBoard, boards[currentMove]);
12926 soughtTotal = MakePieceList(soughtBoard, maxSought);
12927 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12928 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12929 CopyBoard(reverseBoard, boards[currentMove]);
12930 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12931 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12932 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12933 reverseBoard[r][f] = piece;
12935 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12936 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12937 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12938 || (boards[currentMove][CASTLING][2] == NoRights ||
12939 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12940 && (boards[currentMove][CASTLING][5] == NoRights ||
12941 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12944 CopyBoard(flipBoard, soughtBoard);
12945 CopyBoard(rotateBoard, reverseBoard);
12946 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12947 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12948 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12951 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12952 if(appData.searchMode >= 5) {
12953 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12954 MakePieceList(soughtBoard, minSought);
12955 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12957 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12958 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12961 GameInfo dummyInfo;
12962 static int creatingBook;
12965 GameContainsPosition (FILE *f, ListGame *lg)
12967 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12968 int fromX, fromY, toX, toY;
12970 static int initDone=FALSE;
12972 // weed out games based on numerical tag comparison
12973 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12974 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12975 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12976 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12978 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12981 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12982 else CopyBoard(boards[scratch], initialPosition); // default start position
12985 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12986 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12989 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12990 fseek(f, lg->offset, 0);
12993 yyboardindex = scratch;
12994 quickFlag = plyNr+1;
12999 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13005 if(plyNr) return -1; // after we have seen moves, this is for new game
13008 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13009 case ImpossibleMove:
13010 case WhiteWins: // game ends here with these four
13013 case GameUnfinished:
13017 if(appData.testLegality) return -1;
13018 case WhiteCapturesEnPassant:
13019 case BlackCapturesEnPassant:
13020 case WhitePromotion:
13021 case BlackPromotion:
13022 case WhiteNonPromotion:
13023 case BlackNonPromotion:
13026 case WhiteKingSideCastle:
13027 case WhiteQueenSideCastle:
13028 case BlackKingSideCastle:
13029 case BlackQueenSideCastle:
13030 case WhiteKingSideCastleWild:
13031 case WhiteQueenSideCastleWild:
13032 case BlackKingSideCastleWild:
13033 case BlackQueenSideCastleWild:
13034 case WhiteHSideCastleFR:
13035 case WhiteASideCastleFR:
13036 case BlackHSideCastleFR:
13037 case BlackASideCastleFR:
13038 fromX = currentMoveString[0] - AAA;
13039 fromY = currentMoveString[1] - ONE;
13040 toX = currentMoveString[2] - AAA;
13041 toY = currentMoveString[3] - ONE;
13042 promoChar = currentMoveString[4];
13046 fromX = next == WhiteDrop ?
13047 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13048 (int) CharToPiece(ToLower(currentMoveString[0]));
13050 toX = currentMoveString[2] - AAA;
13051 toY = currentMoveString[3] - ONE;
13055 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13057 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13058 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13059 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13060 if(appData.findMirror) {
13061 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13062 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13067 /* Load the nth game from open file f */
13069 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13073 int gn = gameNumber;
13074 ListGame *lg = NULL;
13075 int numPGNTags = 0, i;
13077 GameMode oldGameMode;
13078 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13079 char oldName[MSG_SIZ];
13081 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13083 if (appData.debugMode)
13084 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13086 if (gameMode == Training )
13087 SetTrainingModeOff();
13089 oldGameMode = gameMode;
13090 if (gameMode != BeginningOfGame) {
13091 Reset(FALSE, TRUE);
13093 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13096 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13097 fclose(lastLoadGameFP);
13101 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13104 fseek(f, lg->offset, 0);
13105 GameListHighlight(gameNumber);
13106 pos = lg->position;
13110 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13111 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13113 DisplayError(_("Game number out of range"), 0);
13118 if (fseek(f, 0, 0) == -1) {
13119 if (f == lastLoadGameFP ?
13120 gameNumber == lastLoadGameNumber + 1 :
13124 DisplayError(_("Can't seek on game file"), 0);
13129 lastLoadGameFP = f;
13130 lastLoadGameNumber = gameNumber;
13131 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13132 lastLoadGameUseList = useList;
13136 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13137 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13138 lg->gameInfo.black);
13140 } else if (*title != NULLCHAR) {
13141 if (gameNumber > 1) {
13142 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13145 DisplayTitle(title);
13149 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13150 gameMode = PlayFromGameFile;
13154 currentMove = forwardMostMove = backwardMostMove = 0;
13155 CopyBoard(boards[0], initialPosition);
13159 * Skip the first gn-1 games in the file.
13160 * Also skip over anything that precedes an identifiable
13161 * start of game marker, to avoid being confused by
13162 * garbage at the start of the file. Currently
13163 * recognized start of game markers are the move number "1",
13164 * the pattern "gnuchess .* game", the pattern
13165 * "^[#;%] [^ ]* game file", and a PGN tag block.
13166 * A game that starts with one of the latter two patterns
13167 * will also have a move number 1, possibly
13168 * following a position diagram.
13169 * 5-4-02: Let's try being more lenient and allowing a game to
13170 * start with an unnumbered move. Does that break anything?
13172 cm = lastLoadGameStart = EndOfFile;
13174 yyboardindex = forwardMostMove;
13175 cm = (ChessMove) Myylex();
13178 if (cmailMsgLoaded) {
13179 nCmailGames = CMAIL_MAX_GAMES - gn;
13182 DisplayError(_("Game not found in file"), 0);
13189 lastLoadGameStart = cm;
13192 case MoveNumberOne:
13193 switch (lastLoadGameStart) {
13198 case MoveNumberOne:
13200 gn--; /* count this game */
13201 lastLoadGameStart = cm;
13210 switch (lastLoadGameStart) {
13213 case MoveNumberOne:
13215 gn--; /* count this game */
13216 lastLoadGameStart = cm;
13219 lastLoadGameStart = cm; /* game counted already */
13227 yyboardindex = forwardMostMove;
13228 cm = (ChessMove) Myylex();
13229 } while (cm == PGNTag || cm == Comment);
13236 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13237 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13238 != CMAIL_OLD_RESULT) {
13240 cmailResult[ CMAIL_MAX_GAMES
13241 - gn - 1] = CMAIL_OLD_RESULT;
13248 /* Only a NormalMove can be at the start of a game
13249 * without a position diagram. */
13250 if (lastLoadGameStart == EndOfFile ) {
13252 lastLoadGameStart = MoveNumberOne;
13261 if (appData.debugMode)
13262 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13264 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13266 if (cm == XBoardGame) {
13267 /* Skip any header junk before position diagram and/or move 1 */
13269 yyboardindex = forwardMostMove;
13270 cm = (ChessMove) Myylex();
13272 if (cm == EndOfFile ||
13273 cm == GNUChessGame || cm == XBoardGame) {
13274 /* Empty game; pretend end-of-file and handle later */
13279 if (cm == MoveNumberOne || cm == PositionDiagram ||
13280 cm == PGNTag || cm == Comment)
13283 } else if (cm == GNUChessGame) {
13284 if (gameInfo.event != NULL) {
13285 free(gameInfo.event);
13287 gameInfo.event = StrSave(yy_text);
13290 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13291 while (cm == PGNTag) {
13292 if (appData.debugMode)
13293 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13294 err = ParsePGNTag(yy_text, &gameInfo);
13295 if (!err) numPGNTags++;
13297 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13298 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13299 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13300 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13301 InitPosition(TRUE);
13302 oldVariant = gameInfo.variant;
13303 if (appData.debugMode)
13304 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13308 if (gameInfo.fen != NULL) {
13309 Board initial_position;
13310 startedFromSetupPosition = TRUE;
13311 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13313 DisplayError(_("Bad FEN position in file"), 0);
13316 CopyBoard(boards[0], initial_position);
13317 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13318 CopyBoard(initialPosition, initial_position);
13319 if (blackPlaysFirst) {
13320 currentMove = forwardMostMove = backwardMostMove = 1;
13321 CopyBoard(boards[1], initial_position);
13322 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13323 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13324 timeRemaining[0][1] = whiteTimeRemaining;
13325 timeRemaining[1][1] = blackTimeRemaining;
13326 if (commentList[0] != NULL) {
13327 commentList[1] = commentList[0];
13328 commentList[0] = NULL;
13331 currentMove = forwardMostMove = backwardMostMove = 0;
13333 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13335 initialRulePlies = FENrulePlies;
13336 for( i=0; i< nrCastlingRights; i++ )
13337 initialRights[i] = initial_position[CASTLING][i];
13339 yyboardindex = forwardMostMove;
13340 free(gameInfo.fen);
13341 gameInfo.fen = NULL;
13344 yyboardindex = forwardMostMove;
13345 cm = (ChessMove) Myylex();
13347 /* Handle comments interspersed among the tags */
13348 while (cm == Comment) {
13350 if (appData.debugMode)
13351 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13353 AppendComment(currentMove, p, FALSE);
13354 yyboardindex = forwardMostMove;
13355 cm = (ChessMove) Myylex();
13359 /* don't rely on existence of Event tag since if game was
13360 * pasted from clipboard the Event tag may not exist
13362 if (numPGNTags > 0){
13364 if (gameInfo.variant == VariantNormal) {
13365 VariantClass v = StringToVariant(gameInfo.event);
13366 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13367 if(v < VariantShogi) gameInfo.variant = v;
13370 if( appData.autoDisplayTags ) {
13371 tags = PGNTags(&gameInfo);
13372 TagsPopUp(tags, CmailMsg());
13377 /* Make something up, but don't display it now */
13382 if (cm == PositionDiagram) {
13385 Board initial_position;
13387 if (appData.debugMode)
13388 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13390 if (!startedFromSetupPosition) {
13392 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13393 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13404 initial_position[i][j++] = CharToPiece(*p);
13407 while (*p == ' ' || *p == '\t' ||
13408 *p == '\n' || *p == '\r') p++;
13410 if (strncmp(p, "black", strlen("black"))==0)
13411 blackPlaysFirst = TRUE;
13413 blackPlaysFirst = FALSE;
13414 startedFromSetupPosition = TRUE;
13416 CopyBoard(boards[0], initial_position);
13417 if (blackPlaysFirst) {
13418 currentMove = forwardMostMove = backwardMostMove = 1;
13419 CopyBoard(boards[1], initial_position);
13420 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13421 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13422 timeRemaining[0][1] = whiteTimeRemaining;
13423 timeRemaining[1][1] = blackTimeRemaining;
13424 if (commentList[0] != NULL) {
13425 commentList[1] = commentList[0];
13426 commentList[0] = NULL;
13429 currentMove = forwardMostMove = backwardMostMove = 0;
13432 yyboardindex = forwardMostMove;
13433 cm = (ChessMove) Myylex();
13436 if(!creatingBook) {
13437 if (first.pr == NoProc) {
13438 StartChessProgram(&first);
13440 InitChessProgram(&first, FALSE);
13441 if(gameInfo.variant == VariantUnknown && *oldName) {
13442 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13443 gameInfo.variant = v;
13445 SendToProgram("force\n", &first);
13446 if (startedFromSetupPosition) {
13447 SendBoard(&first, forwardMostMove);
13448 if (appData.debugMode) {
13449 fprintf(debugFP, "Load Game\n");
13451 DisplayBothClocks();
13455 /* [HGM] server: flag to write setup moves in broadcast file as one */
13456 loadFlag = appData.suppressLoadMoves;
13458 while (cm == Comment) {
13460 if (appData.debugMode)
13461 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13463 AppendComment(currentMove, p, FALSE);
13464 yyboardindex = forwardMostMove;
13465 cm = (ChessMove) Myylex();
13468 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13469 cm == WhiteWins || cm == BlackWins ||
13470 cm == GameIsDrawn || cm == GameUnfinished) {
13471 DisplayMessage("", _("No moves in game"));
13472 if (cmailMsgLoaded) {
13473 if (appData.debugMode)
13474 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13478 DrawPosition(FALSE, boards[currentMove]);
13479 DisplayBothClocks();
13480 gameMode = EditGame;
13487 // [HGM] PV info: routine tests if comment empty
13488 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13489 DisplayComment(currentMove - 1, commentList[currentMove]);
13491 if (!matchMode && appData.timeDelay != 0)
13492 DrawPosition(FALSE, boards[currentMove]);
13494 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13495 programStats.ok_to_send = 1;
13498 /* if the first token after the PGN tags is a move
13499 * and not move number 1, retrieve it from the parser
13501 if (cm != MoveNumberOne)
13502 LoadGameOneMove(cm);
13504 /* load the remaining moves from the file */
13505 while (LoadGameOneMove(EndOfFile)) {
13506 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13507 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13510 /* rewind to the start of the game */
13511 currentMove = backwardMostMove;
13513 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13515 if (oldGameMode == AnalyzeFile) {
13516 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13517 AnalyzeFileEvent();
13519 if (oldGameMode == AnalyzeMode) {
13520 AnalyzeFileEvent();
13523 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13524 long int w, b; // [HGM] adjourn: restore saved clock times
13525 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13526 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13527 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13528 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13532 if(creatingBook) return TRUE;
13533 if (!matchMode && pos > 0) {
13534 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13536 if (matchMode || appData.timeDelay == 0) {
13538 } else if (appData.timeDelay > 0) {
13539 AutoPlayGameLoop();
13542 if (appData.debugMode)
13543 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13545 loadFlag = 0; /* [HGM] true game starts */
13549 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13551 ReloadPosition (int offset)
13553 int positionNumber = lastLoadPositionNumber + offset;
13554 if (lastLoadPositionFP == NULL) {
13555 DisplayError(_("No position has been loaded yet"), 0);
13558 if (positionNumber <= 0) {
13559 DisplayError(_("Can't back up any further"), 0);
13562 return LoadPosition(lastLoadPositionFP, positionNumber,
13563 lastLoadPositionTitle);
13566 /* Load the nth position from the given file */
13568 LoadPositionFromFile (char *filename, int n, char *title)
13573 if (strcmp(filename, "-") == 0) {
13574 return LoadPosition(stdin, n, "stdin");
13576 f = fopen(filename, "rb");
13578 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13579 DisplayError(buf, errno);
13582 return LoadPosition(f, n, title);
13587 /* Load the nth position from the given open file, and close it */
13589 LoadPosition (FILE *f, int positionNumber, char *title)
13591 char *p, line[MSG_SIZ];
13592 Board initial_position;
13593 int i, j, fenMode, pn;
13595 if (gameMode == Training )
13596 SetTrainingModeOff();
13598 if (gameMode != BeginningOfGame) {
13599 Reset(FALSE, TRUE);
13601 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13602 fclose(lastLoadPositionFP);
13604 if (positionNumber == 0) positionNumber = 1;
13605 lastLoadPositionFP = f;
13606 lastLoadPositionNumber = positionNumber;
13607 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13608 if (first.pr == NoProc && !appData.noChessProgram) {
13609 StartChessProgram(&first);
13610 InitChessProgram(&first, FALSE);
13612 pn = positionNumber;
13613 if (positionNumber < 0) {
13614 /* Negative position number means to seek to that byte offset */
13615 if (fseek(f, -positionNumber, 0) == -1) {
13616 DisplayError(_("Can't seek on position file"), 0);
13621 if (fseek(f, 0, 0) == -1) {
13622 if (f == lastLoadPositionFP ?
13623 positionNumber == lastLoadPositionNumber + 1 :
13624 positionNumber == 1) {
13627 DisplayError(_("Can't seek on position file"), 0);
13632 /* See if this file is FEN or old-style xboard */
13633 if (fgets(line, MSG_SIZ, f) == NULL) {
13634 DisplayError(_("Position not found in file"), 0);
13637 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13638 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13641 if (fenMode || line[0] == '#') pn--;
13643 /* skip positions before number pn */
13644 if (fgets(line, MSG_SIZ, f) == NULL) {
13646 DisplayError(_("Position not found in file"), 0);
13649 if (fenMode || line[0] == '#') pn--;
13655 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13656 DisplayError(_("Bad FEN position in file"), 0);
13659 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13660 sscanf(p+4, "%[^;]", bestMove);
13661 } else *bestMove = NULLCHAR;
13662 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13663 sscanf(p+4, "%[^;]", avoidMove);
13664 } else *avoidMove = NULLCHAR;
13666 (void) fgets(line, MSG_SIZ, f);
13667 (void) fgets(line, MSG_SIZ, f);
13669 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13670 (void) fgets(line, MSG_SIZ, f);
13671 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13674 initial_position[i][j++] = CharToPiece(*p);
13678 blackPlaysFirst = FALSE;
13680 (void) fgets(line, MSG_SIZ, f);
13681 if (strncmp(line, "black", strlen("black"))==0)
13682 blackPlaysFirst = TRUE;
13685 startedFromSetupPosition = TRUE;
13687 CopyBoard(boards[0], initial_position);
13688 if (blackPlaysFirst) {
13689 currentMove = forwardMostMove = backwardMostMove = 1;
13690 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13691 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13692 CopyBoard(boards[1], initial_position);
13693 DisplayMessage("", _("Black to play"));
13695 currentMove = forwardMostMove = backwardMostMove = 0;
13696 DisplayMessage("", _("White to play"));
13698 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13699 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13700 SendToProgram("force\n", &first);
13701 SendBoard(&first, forwardMostMove);
13703 if (appData.debugMode) {
13705 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13706 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13707 fprintf(debugFP, "Load Position\n");
13710 if (positionNumber > 1) {
13711 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13712 DisplayTitle(line);
13714 DisplayTitle(title);
13716 gameMode = EditGame;
13719 timeRemaining[0][1] = whiteTimeRemaining;
13720 timeRemaining[1][1] = blackTimeRemaining;
13721 DrawPosition(FALSE, boards[currentMove]);
13728 CopyPlayerNameIntoFileName (char **dest, char *src)
13730 while (*src != NULLCHAR && *src != ',') {
13735 *(*dest)++ = *src++;
13741 DefaultFileName (char *ext)
13743 static char def[MSG_SIZ];
13746 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13748 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13750 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13752 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13759 /* Save the current game to the given file */
13761 SaveGameToFile (char *filename, int append)
13765 int result, i, t,tot=0;
13767 if (strcmp(filename, "-") == 0) {
13768 return SaveGame(stdout, 0, NULL);
13770 for(i=0; i<10; i++) { // upto 10 tries
13771 f = fopen(filename, append ? "a" : "w");
13772 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13773 if(f || errno != 13) break;
13774 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13778 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13779 DisplayError(buf, errno);
13782 safeStrCpy(buf, lastMsg, MSG_SIZ);
13783 DisplayMessage(_("Waiting for access to save file"), "");
13784 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13785 DisplayMessage(_("Saving game"), "");
13786 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13787 result = SaveGame(f, 0, NULL);
13788 DisplayMessage(buf, "");
13795 SavePart (char *str)
13797 static char buf[MSG_SIZ];
13800 p = strchr(str, ' ');
13801 if (p == NULL) return str;
13802 strncpy(buf, str, p - str);
13803 buf[p - str] = NULLCHAR;
13807 #define PGN_MAX_LINE 75
13809 #define PGN_SIDE_WHITE 0
13810 #define PGN_SIDE_BLACK 1
13813 FindFirstMoveOutOfBook (int side)
13817 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13818 int index = backwardMostMove;
13819 int has_book_hit = 0;
13821 if( (index % 2) != side ) {
13825 while( index < forwardMostMove ) {
13826 /* Check to see if engine is in book */
13827 int depth = pvInfoList[index].depth;
13828 int score = pvInfoList[index].score;
13834 else if( score == 0 && depth == 63 ) {
13835 in_book = 1; /* Zappa */
13837 else if( score == 2 && depth == 99 ) {
13838 in_book = 1; /* Abrok */
13841 has_book_hit += in_book;
13857 GetOutOfBookInfo (char * buf)
13861 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13863 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13864 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13868 if( oob[0] >= 0 || oob[1] >= 0 ) {
13869 for( i=0; i<2; i++ ) {
13873 if( i > 0 && oob[0] >= 0 ) {
13874 strcat( buf, " " );
13877 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13878 sprintf( buf+strlen(buf), "%s%.2f",
13879 pvInfoList[idx].score >= 0 ? "+" : "",
13880 pvInfoList[idx].score / 100.0 );
13886 /* Save game in PGN style */
13888 SaveGamePGN2 (FILE *f)
13890 int i, offset, linelen, newblock;
13893 int movelen, numlen, blank;
13894 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13896 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13898 PrintPGNTags(f, &gameInfo);
13900 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13902 if (backwardMostMove > 0 || startedFromSetupPosition) {
13903 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13904 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13905 fprintf(f, "\n{--------------\n");
13906 PrintPosition(f, backwardMostMove);
13907 fprintf(f, "--------------}\n");
13911 /* [AS] Out of book annotation */
13912 if( appData.saveOutOfBookInfo ) {
13915 GetOutOfBookInfo( buf );
13917 if( buf[0] != '\0' ) {
13918 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13925 i = backwardMostMove;
13929 while (i < forwardMostMove) {
13930 /* Print comments preceding this move */
13931 if (commentList[i] != NULL) {
13932 if (linelen > 0) fprintf(f, "\n");
13933 fprintf(f, "%s", commentList[i]);
13938 /* Format move number */
13940 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13943 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13945 numtext[0] = NULLCHAR;
13947 numlen = strlen(numtext);
13950 /* Print move number */
13951 blank = linelen > 0 && numlen > 0;
13952 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13961 fprintf(f, "%s", numtext);
13965 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13966 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13969 blank = linelen > 0 && movelen > 0;
13970 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13979 fprintf(f, "%s", move_buffer);
13980 linelen += movelen;
13982 /* [AS] Add PV info if present */
13983 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13984 /* [HGM] add time */
13985 char buf[MSG_SIZ]; int seconds;
13987 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13993 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13996 seconds = (seconds + 4)/10; // round to full seconds
13998 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14000 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14003 if(appData.cumulativeTimePGN) {
14004 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14007 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14008 pvInfoList[i].score >= 0 ? "+" : "",
14009 pvInfoList[i].score / 100.0,
14010 pvInfoList[i].depth,
14013 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14015 /* Print score/depth */
14016 blank = linelen > 0 && movelen > 0;
14017 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14026 fprintf(f, "%s", move_buffer);
14027 linelen += movelen;
14033 /* Start a new line */
14034 if (linelen > 0) fprintf(f, "\n");
14036 /* Print comments after last move */
14037 if (commentList[i] != NULL) {
14038 fprintf(f, "%s\n", commentList[i]);
14042 if (gameInfo.resultDetails != NULL &&
14043 gameInfo.resultDetails[0] != NULLCHAR) {
14044 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14045 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14046 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14047 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14048 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14050 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14054 /* Save game in PGN style and close the file */
14056 SaveGamePGN (FILE *f)
14060 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14064 /* Save game in old style and close the file */
14066 SaveGameOldStyle (FILE *f)
14071 tm = time((time_t *) NULL);
14073 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14076 if (backwardMostMove > 0 || startedFromSetupPosition) {
14077 fprintf(f, "\n[--------------\n");
14078 PrintPosition(f, backwardMostMove);
14079 fprintf(f, "--------------]\n");
14084 i = backwardMostMove;
14085 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14087 while (i < forwardMostMove) {
14088 if (commentList[i] != NULL) {
14089 fprintf(f, "[%s]\n", commentList[i]);
14092 if ((i % 2) == 1) {
14093 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14096 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14098 if (commentList[i] != NULL) {
14102 if (i >= forwardMostMove) {
14106 fprintf(f, "%s\n", parseList[i]);
14111 if (commentList[i] != NULL) {
14112 fprintf(f, "[%s]\n", commentList[i]);
14115 /* This isn't really the old style, but it's close enough */
14116 if (gameInfo.resultDetails != NULL &&
14117 gameInfo.resultDetails[0] != NULLCHAR) {
14118 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14119 gameInfo.resultDetails);
14121 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14128 /* Save the current game to open file f and close the file */
14130 SaveGame (FILE *f, int dummy, char *dummy2)
14132 if (gameMode == EditPosition) EditPositionDone(TRUE);
14133 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14134 if (appData.oldSaveStyle)
14135 return SaveGameOldStyle(f);
14137 return SaveGamePGN(f);
14140 /* Save the current position to the given file */
14142 SavePositionToFile (char *filename)
14147 if (strcmp(filename, "-") == 0) {
14148 return SavePosition(stdout, 0, NULL);
14150 f = fopen(filename, "a");
14152 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14153 DisplayError(buf, errno);
14156 safeStrCpy(buf, lastMsg, MSG_SIZ);
14157 DisplayMessage(_("Waiting for access to save file"), "");
14158 flock(fileno(f), LOCK_EX); // [HGM] lock
14159 DisplayMessage(_("Saving position"), "");
14160 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14161 SavePosition(f, 0, NULL);
14162 DisplayMessage(buf, "");
14168 /* Save the current position to the given open file and close the file */
14170 SavePosition (FILE *f, int dummy, char *dummy2)
14175 if (gameMode == EditPosition) EditPositionDone(TRUE);
14176 if (appData.oldSaveStyle) {
14177 tm = time((time_t *) NULL);
14179 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14181 fprintf(f, "[--------------\n");
14182 PrintPosition(f, currentMove);
14183 fprintf(f, "--------------]\n");
14185 fen = PositionToFEN(currentMove, NULL, 1);
14186 fprintf(f, "%s\n", fen);
14194 ReloadCmailMsgEvent (int unregister)
14197 static char *inFilename = NULL;
14198 static char *outFilename;
14200 struct stat inbuf, outbuf;
14203 /* Any registered moves are unregistered if unregister is set, */
14204 /* i.e. invoked by the signal handler */
14206 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14207 cmailMoveRegistered[i] = FALSE;
14208 if (cmailCommentList[i] != NULL) {
14209 free(cmailCommentList[i]);
14210 cmailCommentList[i] = NULL;
14213 nCmailMovesRegistered = 0;
14216 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14217 cmailResult[i] = CMAIL_NOT_RESULT;
14221 if (inFilename == NULL) {
14222 /* Because the filenames are static they only get malloced once */
14223 /* and they never get freed */
14224 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14225 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14227 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14228 sprintf(outFilename, "%s.out", appData.cmailGameName);
14231 status = stat(outFilename, &outbuf);
14233 cmailMailedMove = FALSE;
14235 status = stat(inFilename, &inbuf);
14236 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14239 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14240 counts the games, notes how each one terminated, etc.
14242 It would be nice to remove this kludge and instead gather all
14243 the information while building the game list. (And to keep it
14244 in the game list nodes instead of having a bunch of fixed-size
14245 parallel arrays.) Note this will require getting each game's
14246 termination from the PGN tags, as the game list builder does
14247 not process the game moves. --mann
14249 cmailMsgLoaded = TRUE;
14250 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14252 /* Load first game in the file or popup game menu */
14253 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14255 #endif /* !WIN32 */
14263 char string[MSG_SIZ];
14265 if ( cmailMailedMove
14266 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14267 return TRUE; /* Allow free viewing */
14270 /* Unregister move to ensure that we don't leave RegisterMove */
14271 /* with the move registered when the conditions for registering no */
14273 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14274 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14275 nCmailMovesRegistered --;
14277 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14279 free(cmailCommentList[lastLoadGameNumber - 1]);
14280 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14284 if (cmailOldMove == -1) {
14285 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14289 if (currentMove > cmailOldMove + 1) {
14290 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14294 if (currentMove < cmailOldMove) {
14295 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14299 if (forwardMostMove > currentMove) {
14300 /* Silently truncate extra moves */
14304 if ( (currentMove == cmailOldMove + 1)
14305 || ( (currentMove == cmailOldMove)
14306 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14307 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14308 if (gameInfo.result != GameUnfinished) {
14309 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14312 if (commentList[currentMove] != NULL) {
14313 cmailCommentList[lastLoadGameNumber - 1]
14314 = StrSave(commentList[currentMove]);
14316 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14318 if (appData.debugMode)
14319 fprintf(debugFP, "Saving %s for game %d\n",
14320 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14322 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14324 f = fopen(string, "w");
14325 if (appData.oldSaveStyle) {
14326 SaveGameOldStyle(f); /* also closes the file */
14328 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14329 f = fopen(string, "w");
14330 SavePosition(f, 0, NULL); /* also closes the file */
14332 fprintf(f, "{--------------\n");
14333 PrintPosition(f, currentMove);
14334 fprintf(f, "--------------}\n\n");
14336 SaveGame(f, 0, NULL); /* also closes the file*/
14339 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14340 nCmailMovesRegistered ++;
14341 } else if (nCmailGames == 1) {
14342 DisplayError(_("You have not made a move yet"), 0);
14353 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14354 FILE *commandOutput;
14355 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14356 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14362 if (! cmailMsgLoaded) {
14363 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14367 if (nCmailGames == nCmailResults) {
14368 DisplayError(_("No unfinished games"), 0);
14372 #if CMAIL_PROHIBIT_REMAIL
14373 if (cmailMailedMove) {
14374 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);
14375 DisplayError(msg, 0);
14380 if (! (cmailMailedMove || RegisterMove())) return;
14382 if ( cmailMailedMove
14383 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14384 snprintf(string, MSG_SIZ, partCommandString,
14385 appData.debugMode ? " -v" : "", appData.cmailGameName);
14386 commandOutput = popen(string, "r");
14388 if (commandOutput == NULL) {
14389 DisplayError(_("Failed to invoke cmail"), 0);
14391 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14392 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14394 if (nBuffers > 1) {
14395 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14396 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14397 nBytes = MSG_SIZ - 1;
14399 (void) memcpy(msg, buffer, nBytes);
14401 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14403 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14404 cmailMailedMove = TRUE; /* Prevent >1 moves */
14407 for (i = 0; i < nCmailGames; i ++) {
14408 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14413 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14415 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14417 appData.cmailGameName,
14419 LoadGameFromFile(buffer, 1, buffer, FALSE);
14420 cmailMsgLoaded = FALSE;
14424 DisplayInformation(msg);
14425 pclose(commandOutput);
14428 if ((*cmailMsg) != '\0') {
14429 DisplayInformation(cmailMsg);
14434 #endif /* !WIN32 */
14443 int prependComma = 0;
14445 char string[MSG_SIZ]; /* Space for game-list */
14448 if (!cmailMsgLoaded) return "";
14450 if (cmailMailedMove) {
14451 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14453 /* Create a list of games left */
14454 snprintf(string, MSG_SIZ, "[");
14455 for (i = 0; i < nCmailGames; i ++) {
14456 if (! ( cmailMoveRegistered[i]
14457 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14458 if (prependComma) {
14459 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14461 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14465 strcat(string, number);
14468 strcat(string, "]");
14470 if (nCmailMovesRegistered + nCmailResults == 0) {
14471 switch (nCmailGames) {
14473 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14477 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14481 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14486 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14488 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14493 if (nCmailResults == nCmailGames) {
14494 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14496 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14501 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14513 if (gameMode == Training)
14514 SetTrainingModeOff();
14517 cmailMsgLoaded = FALSE;
14518 if (appData.icsActive) {
14519 SendToICS(ics_prefix);
14520 SendToICS("refresh\n");
14525 ExitEvent (int status)
14529 /* Give up on clean exit */
14533 /* Keep trying for clean exit */
14537 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14538 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14540 if (telnetISR != NULL) {
14541 RemoveInputSource(telnetISR);
14543 if (icsPR != NoProc) {
14544 DestroyChildProcess(icsPR, TRUE);
14547 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14548 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14550 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14551 /* make sure this other one finishes before killing it! */
14552 if(endingGame) { int count = 0;
14553 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14554 while(endingGame && count++ < 10) DoSleep(1);
14555 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14558 /* Kill off chess programs */
14559 if (first.pr != NoProc) {
14562 DoSleep( appData.delayBeforeQuit );
14563 SendToProgram("quit\n", &first);
14564 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14566 if (second.pr != NoProc) {
14567 DoSleep( appData.delayBeforeQuit );
14568 SendToProgram("quit\n", &second);
14569 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14571 if (first.isr != NULL) {
14572 RemoveInputSource(first.isr);
14574 if (second.isr != NULL) {
14575 RemoveInputSource(second.isr);
14578 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14579 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14581 ShutDownFrontEnd();
14586 PauseEngine (ChessProgramState *cps)
14588 SendToProgram("pause\n", cps);
14593 UnPauseEngine (ChessProgramState *cps)
14595 SendToProgram("resume\n", cps);
14602 if (appData.debugMode)
14603 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14607 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14609 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14610 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14611 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14613 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14614 HandleMachineMove(stashedInputMove, stalledEngine);
14615 stalledEngine = NULL;
14618 if (gameMode == MachinePlaysWhite ||
14619 gameMode == TwoMachinesPlay ||
14620 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14621 if(first.pause) UnPauseEngine(&first);
14622 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14623 if(second.pause) UnPauseEngine(&second);
14624 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14627 DisplayBothClocks();
14629 if (gameMode == PlayFromGameFile) {
14630 if (appData.timeDelay >= 0)
14631 AutoPlayGameLoop();
14632 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14633 Reset(FALSE, TRUE);
14634 SendToICS(ics_prefix);
14635 SendToICS("refresh\n");
14636 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14637 ForwardInner(forwardMostMove);
14639 pauseExamInvalid = FALSE;
14641 switch (gameMode) {
14645 pauseExamForwardMostMove = forwardMostMove;
14646 pauseExamInvalid = FALSE;
14649 case IcsPlayingWhite:
14650 case IcsPlayingBlack:
14654 case PlayFromGameFile:
14655 (void) StopLoadGameTimer();
14659 case BeginningOfGame:
14660 if (appData.icsActive) return;
14661 /* else fall through */
14662 case MachinePlaysWhite:
14663 case MachinePlaysBlack:
14664 case TwoMachinesPlay:
14665 if (forwardMostMove == 0)
14666 return; /* don't pause if no one has moved */
14667 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14668 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14669 if(onMove->pause) { // thinking engine can be paused
14670 PauseEngine(onMove); // do it
14671 if(onMove->other->pause) // pondering opponent can always be paused immediately
14672 PauseEngine(onMove->other);
14674 SendToProgram("easy\n", onMove->other);
14676 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14677 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14679 PauseEngine(&first);
14681 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14682 } else { // human on move, pause pondering by either method
14684 PauseEngine(&first);
14685 else if(appData.ponderNextMove)
14686 SendToProgram("easy\n", &first);
14689 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14699 EditCommentEvent ()
14701 char title[MSG_SIZ];
14703 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14704 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14706 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14707 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14708 parseList[currentMove - 1]);
14711 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14718 char *tags = PGNTags(&gameInfo);
14720 EditTagsPopUp(tags, NULL);
14727 if(second.analyzing) {
14728 SendToProgram("exit\n", &second);
14729 second.analyzing = FALSE;
14731 if (second.pr == NoProc) StartChessProgram(&second);
14732 InitChessProgram(&second, FALSE);
14733 FeedMovesToProgram(&second, currentMove);
14735 SendToProgram("analyze\n", &second);
14736 second.analyzing = TRUE;
14740 /* Toggle ShowThinking */
14742 ToggleShowThinking()
14744 appData.showThinking = !appData.showThinking;
14745 ShowThinkingEvent();
14749 AnalyzeModeEvent ()
14753 if (!first.analysisSupport) {
14754 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14755 DisplayError(buf, 0);
14758 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14759 if (appData.icsActive) {
14760 if (gameMode != IcsObserving) {
14761 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14762 DisplayError(buf, 0);
14764 if (appData.icsEngineAnalyze) {
14765 if (appData.debugMode)
14766 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14772 /* if enable, user wants to disable icsEngineAnalyze */
14773 if (appData.icsEngineAnalyze) {
14778 appData.icsEngineAnalyze = TRUE;
14779 if (appData.debugMode)
14780 fprintf(debugFP, "ICS engine analyze starting... \n");
14783 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14784 if (appData.noChessProgram || gameMode == AnalyzeMode)
14787 if (gameMode != AnalyzeFile) {
14788 if (!appData.icsEngineAnalyze) {
14790 if (gameMode != EditGame) return 0;
14792 if (!appData.showThinking) ToggleShowThinking();
14793 ResurrectChessProgram();
14794 SendToProgram("analyze\n", &first);
14795 first.analyzing = TRUE;
14796 /*first.maybeThinking = TRUE;*/
14797 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14798 EngineOutputPopUp();
14800 if (!appData.icsEngineAnalyze) {
14801 gameMode = AnalyzeMode;
14802 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14808 StartAnalysisClock();
14809 GetTimeMark(&lastNodeCountTime);
14815 AnalyzeFileEvent ()
14817 if (appData.noChessProgram || gameMode == AnalyzeFile)
14820 if (!first.analysisSupport) {
14822 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14823 DisplayError(buf, 0);
14827 if (gameMode != AnalyzeMode) {
14828 keepInfo = 1; // mere annotating should not alter PGN tags
14831 if (gameMode != EditGame) return;
14832 if (!appData.showThinking) ToggleShowThinking();
14833 ResurrectChessProgram();
14834 SendToProgram("analyze\n", &first);
14835 first.analyzing = TRUE;
14836 /*first.maybeThinking = TRUE;*/
14837 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14838 EngineOutputPopUp();
14840 gameMode = AnalyzeFile;
14844 StartAnalysisClock();
14845 GetTimeMark(&lastNodeCountTime);
14847 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14848 AnalysisPeriodicEvent(1);
14852 MachineWhiteEvent ()
14855 char *bookHit = NULL;
14857 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14861 if (gameMode == PlayFromGameFile ||
14862 gameMode == TwoMachinesPlay ||
14863 gameMode == Training ||
14864 gameMode == AnalyzeMode ||
14865 gameMode == EndOfGame)
14868 if (gameMode == EditPosition)
14869 EditPositionDone(TRUE);
14871 if (!WhiteOnMove(currentMove)) {
14872 DisplayError(_("It is not White's turn"), 0);
14876 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14879 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14880 gameMode == AnalyzeFile)
14883 ResurrectChessProgram(); /* in case it isn't running */
14884 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14885 gameMode = MachinePlaysWhite;
14888 gameMode = MachinePlaysWhite;
14892 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14894 if (first.sendName) {
14895 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14896 SendToProgram(buf, &first);
14898 if (first.sendTime) {
14899 if (first.useColors) {
14900 SendToProgram("black\n", &first); /*gnu kludge*/
14902 SendTimeRemaining(&first, TRUE);
14904 if (first.useColors) {
14905 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14907 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14908 SetMachineThinkingEnables();
14909 first.maybeThinking = TRUE;
14913 if (appData.autoFlipView && !flipView) {
14914 flipView = !flipView;
14915 DrawPosition(FALSE, NULL);
14916 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 savedMessage = bookMove; // args for deferred call
14929 savedState = &first;
14930 ScheduleDelayedEvent(DeferredBookMove, 1);
14935 MachineBlackEvent ()
14938 char *bookHit = NULL;
14940 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14944 if (gameMode == PlayFromGameFile ||
14945 gameMode == TwoMachinesPlay ||
14946 gameMode == Training ||
14947 gameMode == AnalyzeMode ||
14948 gameMode == EndOfGame)
14951 if (gameMode == EditPosition)
14952 EditPositionDone(TRUE);
14954 if (WhiteOnMove(currentMove)) {
14955 DisplayError(_("It is not Black's turn"), 0);
14959 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14962 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14963 gameMode == AnalyzeFile)
14966 ResurrectChessProgram(); /* in case it isn't running */
14967 gameMode = MachinePlaysBlack;
14971 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14973 if (first.sendName) {
14974 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14975 SendToProgram(buf, &first);
14977 if (first.sendTime) {
14978 if (first.useColors) {
14979 SendToProgram("white\n", &first); /*gnu kludge*/
14981 SendTimeRemaining(&first, FALSE);
14983 if (first.useColors) {
14984 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14986 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14987 SetMachineThinkingEnables();
14988 first.maybeThinking = TRUE;
14991 if (appData.autoFlipView && flipView) {
14992 flipView = !flipView;
14993 DrawPosition(FALSE, NULL);
14994 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14996 if(bookHit) { // [HGM] book: simulate book reply
14997 static char bookMove[MSG_SIZ]; // a bit generous?
14999 programStats.nodes = programStats.depth = programStats.time =
15000 programStats.score = programStats.got_only_move = 0;
15001 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15003 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15004 strcat(bookMove, bookHit);
15005 savedMessage = bookMove; // args for deferred call
15006 savedState = &first;
15007 ScheduleDelayedEvent(DeferredBookMove, 1);
15013 DisplayTwoMachinesTitle ()
15016 if (appData.matchGames > 0) {
15017 if(appData.tourneyFile[0]) {
15018 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15019 gameInfo.white, _("vs."), gameInfo.black,
15020 nextGame+1, appData.matchGames+1,
15021 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15023 if (first.twoMachinesColor[0] == 'w') {
15024 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15025 gameInfo.white, _("vs."), gameInfo.black,
15026 first.matchWins, second.matchWins,
15027 matchGame - 1 - (first.matchWins + second.matchWins));
15029 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15030 gameInfo.white, _("vs."), gameInfo.black,
15031 second.matchWins, first.matchWins,
15032 matchGame - 1 - (first.matchWins + second.matchWins));
15035 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15041 SettingsMenuIfReady ()
15043 if (second.lastPing != second.lastPong) {
15044 DisplayMessage("", _("Waiting for second chess program"));
15045 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15049 DisplayMessage("", "");
15050 SettingsPopUp(&second);
15054 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15057 if (cps->pr == NoProc) {
15058 StartChessProgram(cps);
15059 if (cps->protocolVersion == 1) {
15061 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15063 /* kludge: allow timeout for initial "feature" command */
15064 if(retry != TwoMachinesEventIfReady) FreezeUI();
15065 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15066 DisplayMessage("", buf);
15067 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15075 TwoMachinesEvent P((void))
15077 int i, move = forwardMostMove;
15079 ChessProgramState *onmove;
15080 char *bookHit = NULL;
15081 static int stalling = 0;
15085 if (appData.noChessProgram) return;
15087 switch (gameMode) {
15088 case TwoMachinesPlay:
15090 case MachinePlaysWhite:
15091 case MachinePlaysBlack:
15092 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15093 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15097 case BeginningOfGame:
15098 case PlayFromGameFile:
15101 if (gameMode != EditGame) return;
15104 EditPositionDone(TRUE);
15115 // forwardMostMove = currentMove;
15116 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15117 startingEngine = TRUE;
15119 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15121 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15122 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15123 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15127 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15129 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15130 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15131 startingEngine = matchMode = FALSE;
15132 DisplayError("second engine does not play this", 0);
15133 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15134 EditGameEvent(); // switch back to EditGame mode
15139 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15140 SendToProgram("force\n", &second);
15142 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15146 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15147 if(appData.matchPause>10000 || appData.matchPause<10)
15148 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15149 wait = SubtractTimeMarks(&now, &pauseStart);
15150 if(wait < appData.matchPause) {
15151 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15154 // we are now committed to starting the game
15156 DisplayMessage("", "");
15158 if (startedFromSetupPosition) {
15159 SendBoard(&second, backwardMostMove);
15160 if (appData.debugMode) {
15161 fprintf(debugFP, "Two Machines\n");
15164 for (i = backwardMostMove; i < forwardMostMove; i++) {
15165 SendMoveToProgram(i, &second);
15169 gameMode = TwoMachinesPlay;
15170 pausing = startingEngine = FALSE;
15171 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15173 DisplayTwoMachinesTitle();
15175 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15180 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15181 SendToProgram(first.computerString, &first);
15182 if (first.sendName) {
15183 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15184 SendToProgram(buf, &first);
15187 SendToProgram(second.computerString, &second);
15188 if (second.sendName) {
15189 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15190 SendToProgram(buf, &second);
15194 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15196 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15197 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15199 if (onmove->sendTime) {
15200 if (onmove->useColors) {
15201 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15203 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15205 if (onmove->useColors) {
15206 SendToProgram(onmove->twoMachinesColor, onmove);
15208 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15209 // SendToProgram("go\n", onmove);
15210 onmove->maybeThinking = TRUE;
15211 SetMachineThinkingEnables();
15215 if(bookHit) { // [HGM] book: simulate book reply
15216 static char bookMove[MSG_SIZ]; // a bit generous?
15218 programStats.nodes = programStats.depth = programStats.time =
15219 programStats.score = programStats.got_only_move = 0;
15220 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15222 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15223 strcat(bookMove, bookHit);
15224 savedMessage = bookMove; // args for deferred call
15225 savedState = onmove;
15226 ScheduleDelayedEvent(DeferredBookMove, 1);
15233 if (gameMode == Training) {
15234 SetTrainingModeOff();
15235 gameMode = PlayFromGameFile;
15236 DisplayMessage("", _("Training mode off"));
15238 gameMode = Training;
15239 animateTraining = appData.animate;
15241 /* make sure we are not already at the end of the game */
15242 if (currentMove < forwardMostMove) {
15243 SetTrainingModeOn();
15244 DisplayMessage("", _("Training mode on"));
15246 gameMode = PlayFromGameFile;
15247 DisplayError(_("Already at end of game"), 0);
15256 if (!appData.icsActive) return;
15257 switch (gameMode) {
15258 case IcsPlayingWhite:
15259 case IcsPlayingBlack:
15262 case BeginningOfGame:
15270 EditPositionDone(TRUE);
15283 gameMode = IcsIdle;
15293 switch (gameMode) {
15295 SetTrainingModeOff();
15297 case MachinePlaysWhite:
15298 case MachinePlaysBlack:
15299 case BeginningOfGame:
15300 SendToProgram("force\n", &first);
15301 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15302 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15304 abortEngineThink = TRUE;
15305 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15306 SendToProgram(buf, &first);
15307 DisplayMessage("Aborting engine think", "");
15311 SetUserThinkingEnables();
15313 case PlayFromGameFile:
15314 (void) StopLoadGameTimer();
15315 if (gameFileFP != NULL) {
15320 EditPositionDone(TRUE);
15325 SendToProgram("force\n", &first);
15327 case TwoMachinesPlay:
15328 GameEnds(EndOfFile, NULL, GE_PLAYER);
15329 ResurrectChessProgram();
15330 SetUserThinkingEnables();
15333 ResurrectChessProgram();
15335 case IcsPlayingBlack:
15336 case IcsPlayingWhite:
15337 DisplayError(_("Warning: You are still playing a game"), 0);
15340 DisplayError(_("Warning: You are still observing a game"), 0);
15343 DisplayError(_("Warning: You are still examining a game"), 0);
15354 first.offeredDraw = second.offeredDraw = 0;
15356 if (gameMode == PlayFromGameFile) {
15357 whiteTimeRemaining = timeRemaining[0][currentMove];
15358 blackTimeRemaining = timeRemaining[1][currentMove];
15362 if (gameMode == MachinePlaysWhite ||
15363 gameMode == MachinePlaysBlack ||
15364 gameMode == TwoMachinesPlay ||
15365 gameMode == EndOfGame) {
15366 i = forwardMostMove;
15367 while (i > currentMove) {
15368 SendToProgram("undo\n", &first);
15371 if(!adjustedClock) {
15372 whiteTimeRemaining = timeRemaining[0][currentMove];
15373 blackTimeRemaining = timeRemaining[1][currentMove];
15374 DisplayBothClocks();
15376 if (whiteFlag || blackFlag) {
15377 whiteFlag = blackFlag = 0;
15382 gameMode = EditGame;
15388 EditPositionEvent ()
15391 if (gameMode == EditPosition) {
15397 if (gameMode != EditGame) return;
15399 gameMode = EditPosition;
15402 CopyBoard(rightsBoard, nullBoard);
15403 if (currentMove > 0)
15404 CopyBoard(boards[0], boards[currentMove]);
15405 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15406 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15408 blackPlaysFirst = !WhiteOnMove(currentMove);
15410 currentMove = forwardMostMove = backwardMostMove = 0;
15411 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15413 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15419 /* [DM] icsEngineAnalyze - possible call from other functions */
15420 if (appData.icsEngineAnalyze) {
15421 appData.icsEngineAnalyze = FALSE;
15423 DisplayMessage("",_("Close ICS engine analyze..."));
15425 if (first.analysisSupport && first.analyzing) {
15426 SendToBoth("exit\n");
15427 first.analyzing = second.analyzing = FALSE;
15429 thinkOutput[0] = NULLCHAR;
15433 EditPositionDone (Boolean fakeRights)
15435 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15437 startedFromSetupPosition = TRUE;
15438 InitChessProgram(&first, FALSE);
15439 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15441 boards[0][EP_STATUS] = EP_NONE;
15442 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15443 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15444 if(rightsBoard[r][f]) {
15445 ChessSquare p = boards[0][r][f];
15446 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15447 else if(p == king) boards[0][CASTLING][2] = f;
15448 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15449 else rightsBoard[r][f] = 2; // mark for second pass
15452 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15453 if(rightsBoard[r][f] == 2) {
15454 ChessSquare p = boards[0][r][f];
15455 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15456 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15460 SendToProgram("force\n", &first);
15461 if (blackPlaysFirst) {
15462 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15463 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15464 currentMove = forwardMostMove = backwardMostMove = 1;
15465 CopyBoard(boards[1], boards[0]);
15467 currentMove = forwardMostMove = backwardMostMove = 0;
15469 SendBoard(&first, forwardMostMove);
15470 if (appData.debugMode) {
15471 fprintf(debugFP, "EditPosDone\n");
15474 DisplayMessage("", "");
15475 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15476 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15477 gameMode = EditGame;
15479 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15480 ClearHighlights(); /* [AS] */
15483 /* Pause for `ms' milliseconds */
15484 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15486 TimeDelay (long ms)
15493 } while (SubtractTimeMarks(&m2, &m1) < ms);
15496 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15498 SendMultiLineToICS (char *buf)
15500 char temp[MSG_SIZ+1], *p;
15507 strncpy(temp, buf, len);
15512 if (*p == '\n' || *p == '\r')
15517 strcat(temp, "\n");
15519 SendToPlayer(temp, strlen(temp));
15523 SetWhiteToPlayEvent ()
15525 if (gameMode == EditPosition) {
15526 blackPlaysFirst = FALSE;
15527 DisplayBothClocks(); /* works because currentMove is 0 */
15528 } else if (gameMode == IcsExamining) {
15529 SendToICS(ics_prefix);
15530 SendToICS("tomove white\n");
15535 SetBlackToPlayEvent ()
15537 if (gameMode == EditPosition) {
15538 blackPlaysFirst = TRUE;
15539 currentMove = 1; /* kludge */
15540 DisplayBothClocks();
15542 } else if (gameMode == IcsExamining) {
15543 SendToICS(ics_prefix);
15544 SendToICS("tomove black\n");
15549 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15552 ChessSquare piece = boards[0][y][x];
15553 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15554 static int lastVariant;
15555 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15557 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15559 switch (selection) {
15561 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15562 MarkTargetSquares(1);
15563 CopyBoard(currentBoard, boards[0]);
15564 CopyBoard(menuBoard, initialPosition);
15565 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15566 SendToICS(ics_prefix);
15567 SendToICS("bsetup clear\n");
15568 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15569 SendToICS(ics_prefix);
15570 SendToICS("clearboard\n");
15573 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15574 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15575 for (y = 0; y < BOARD_HEIGHT; y++) {
15576 if (gameMode == IcsExamining) {
15577 if (boards[currentMove][y][x] != EmptySquare) {
15578 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15582 } else if(boards[0][y][x] != DarkSquare) {
15583 if(boards[0][y][x] != p) nonEmpty++;
15584 boards[0][y][x] = p;
15588 CopyBoard(rightsBoard, nullBoard);
15589 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15591 for(r = 0; r < BOARD_HEIGHT; r++) {
15592 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15593 ChessSquare p = menuBoard[r][x];
15594 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15597 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15598 DisplayMessage("Clicking clock again restores position", "");
15599 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15600 if(!nonEmpty) { // asked to clear an empty board
15601 CopyBoard(boards[0], menuBoard);
15603 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15604 CopyBoard(boards[0], initialPosition);
15606 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15607 && !CompareBoards(nullBoard, erasedBoard)) {
15608 CopyBoard(boards[0], erasedBoard);
15610 CopyBoard(erasedBoard, currentBoard);
15612 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15613 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15616 if (gameMode == EditPosition) {
15617 DrawPosition(FALSE, boards[0]);
15622 SetWhiteToPlayEvent();
15626 SetBlackToPlayEvent();
15630 if (gameMode == IcsExamining) {
15631 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15632 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15635 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15636 if(x == BOARD_LEFT-2) {
15637 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15638 boards[0][y][1] = 0;
15640 if(x == BOARD_RGHT+1) {
15641 if(y >= gameInfo.holdingsSize) break;
15642 boards[0][y][BOARD_WIDTH-2] = 0;
15645 boards[0][y][x] = EmptySquare;
15646 DrawPosition(FALSE, boards[0]);
15651 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15652 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15653 selection = (ChessSquare) (PROMOTED(piece));
15654 } else if(piece == EmptySquare) selection = WhiteSilver;
15655 else selection = (ChessSquare)((int)piece - 1);
15659 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15660 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15661 selection = (ChessSquare) (DEMOTED(piece));
15662 } else if(piece == EmptySquare) selection = BlackSilver;
15663 else selection = (ChessSquare)((int)piece + 1);
15668 if(gameInfo.variant == VariantShatranj ||
15669 gameInfo.variant == VariantXiangqi ||
15670 gameInfo.variant == VariantCourier ||
15671 gameInfo.variant == VariantASEAN ||
15672 gameInfo.variant == VariantMakruk )
15673 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15679 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15680 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15686 if(gameInfo.variant == VariantXiangqi)
15687 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15688 if(gameInfo.variant == VariantKnightmate)
15689 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15690 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15693 if (gameMode == IcsExamining) {
15694 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15695 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15696 PieceToChar(selection), AAA + x, ONE + y);
15699 rightsBoard[y][x] = hasRights;
15700 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15702 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15703 n = PieceToNumber(selection - BlackPawn);
15704 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15705 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15706 boards[0][BOARD_HEIGHT-1-n][1]++;
15708 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15709 n = PieceToNumber(selection);
15710 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15711 boards[0][n][BOARD_WIDTH-1] = selection;
15712 boards[0][n][BOARD_WIDTH-2]++;
15715 boards[0][y][x] = selection;
15716 DrawPosition(TRUE, boards[0]);
15718 fromX = fromY = -1;
15726 DropMenuEvent (ChessSquare selection, int x, int y)
15728 ChessMove moveType;
15730 switch (gameMode) {
15731 case IcsPlayingWhite:
15732 case MachinePlaysBlack:
15733 if (!WhiteOnMove(currentMove)) {
15734 DisplayMoveError(_("It is Black's turn"));
15737 moveType = WhiteDrop;
15739 case IcsPlayingBlack:
15740 case MachinePlaysWhite:
15741 if (WhiteOnMove(currentMove)) {
15742 DisplayMoveError(_("It is White's turn"));
15745 moveType = BlackDrop;
15748 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15754 if (moveType == BlackDrop && selection < BlackPawn) {
15755 selection = (ChessSquare) ((int) selection
15756 + (int) BlackPawn - (int) WhitePawn);
15758 if (boards[currentMove][y][x] != EmptySquare) {
15759 DisplayMoveError(_("That square is occupied"));
15763 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15769 /* Accept a pending offer of any kind from opponent */
15771 if (appData.icsActive) {
15772 SendToICS(ics_prefix);
15773 SendToICS("accept\n");
15774 } else if (cmailMsgLoaded) {
15775 if (currentMove == cmailOldMove &&
15776 commentList[cmailOldMove] != NULL &&
15777 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15778 "Black offers a draw" : "White offers a draw")) {
15780 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15781 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15783 DisplayError(_("There is no pending offer on this move"), 0);
15784 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15787 /* Not used for offers from chess program */
15794 /* Decline a pending offer of any kind from opponent */
15796 if (appData.icsActive) {
15797 SendToICS(ics_prefix);
15798 SendToICS("decline\n");
15799 } else if (cmailMsgLoaded) {
15800 if (currentMove == cmailOldMove &&
15801 commentList[cmailOldMove] != NULL &&
15802 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15803 "Black offers a draw" : "White offers a draw")) {
15805 AppendComment(cmailOldMove, "Draw declined", TRUE);
15806 DisplayComment(cmailOldMove - 1, "Draw declined");
15809 DisplayError(_("There is no pending offer on this move"), 0);
15812 /* Not used for offers from chess program */
15819 /* Issue ICS rematch command */
15820 if (appData.icsActive) {
15821 SendToICS(ics_prefix);
15822 SendToICS("rematch\n");
15829 /* Call your opponent's flag (claim a win on time) */
15830 if (appData.icsActive) {
15831 SendToICS(ics_prefix);
15832 SendToICS("flag\n");
15834 switch (gameMode) {
15837 case MachinePlaysWhite:
15840 GameEnds(GameIsDrawn, "Both players ran out of time",
15843 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15845 DisplayError(_("Your opponent is not out of time"), 0);
15848 case MachinePlaysBlack:
15851 GameEnds(GameIsDrawn, "Both players ran out of time",
15854 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15856 DisplayError(_("Your opponent is not out of time"), 0);
15864 ClockClick (int which)
15865 { // [HGM] code moved to back-end from winboard.c
15866 if(which) { // black clock
15867 if (gameMode == EditPosition || gameMode == IcsExamining) {
15868 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15869 SetBlackToPlayEvent();
15870 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15871 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15872 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15873 } else if (shiftKey) {
15874 AdjustClock(which, -1);
15875 } else if (gameMode == IcsPlayingWhite ||
15876 gameMode == MachinePlaysBlack) {
15879 } else { // white clock
15880 if (gameMode == EditPosition || gameMode == IcsExamining) {
15881 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15882 SetWhiteToPlayEvent();
15883 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15884 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15885 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15886 } else if (shiftKey) {
15887 AdjustClock(which, -1);
15888 } else if (gameMode == IcsPlayingBlack ||
15889 gameMode == MachinePlaysWhite) {
15898 /* Offer draw or accept pending draw offer from opponent */
15900 if (appData.icsActive) {
15901 /* Note: tournament rules require draw offers to be
15902 made after you make your move but before you punch
15903 your clock. Currently ICS doesn't let you do that;
15904 instead, you immediately punch your clock after making
15905 a move, but you can offer a draw at any time. */
15907 SendToICS(ics_prefix);
15908 SendToICS("draw\n");
15909 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15910 } else if (cmailMsgLoaded) {
15911 if (currentMove == cmailOldMove &&
15912 commentList[cmailOldMove] != NULL &&
15913 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15914 "Black offers a draw" : "White offers a draw")) {
15915 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15916 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15917 } else if (currentMove == cmailOldMove + 1) {
15918 char *offer = WhiteOnMove(cmailOldMove) ?
15919 "White offers a draw" : "Black offers a draw";
15920 AppendComment(currentMove, offer, TRUE);
15921 DisplayComment(currentMove - 1, offer);
15922 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15924 DisplayError(_("You must make your move before offering a draw"), 0);
15925 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15927 } else if (first.offeredDraw) {
15928 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15930 if (first.sendDrawOffers) {
15931 SendToProgram("draw\n", &first);
15932 userOfferedDraw = TRUE;
15940 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15942 if (appData.icsActive) {
15943 SendToICS(ics_prefix);
15944 SendToICS("adjourn\n");
15946 /* Currently GNU Chess doesn't offer or accept Adjourns */
15954 /* Offer Abort or accept pending Abort offer from opponent */
15956 if (appData.icsActive) {
15957 SendToICS(ics_prefix);
15958 SendToICS("abort\n");
15960 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15967 /* Resign. You can do this even if it's not your turn. */
15969 if (appData.icsActive) {
15970 SendToICS(ics_prefix);
15971 SendToICS("resign\n");
15973 switch (gameMode) {
15974 case MachinePlaysWhite:
15975 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15977 case MachinePlaysBlack:
15978 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15981 if (cmailMsgLoaded) {
15983 if (WhiteOnMove(cmailOldMove)) {
15984 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15986 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15988 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15999 StopObservingEvent ()
16001 /* Stop observing current games */
16002 SendToICS(ics_prefix);
16003 SendToICS("unobserve\n");
16007 StopExaminingEvent ()
16009 /* Stop observing current game */
16010 SendToICS(ics_prefix);
16011 SendToICS("unexamine\n");
16015 ForwardInner (int target)
16017 int limit; int oldSeekGraphUp = seekGraphUp;
16019 if (appData.debugMode)
16020 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16021 target, currentMove, forwardMostMove);
16023 if (gameMode == EditPosition)
16026 seekGraphUp = FALSE;
16027 MarkTargetSquares(1);
16028 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16030 if (gameMode == PlayFromGameFile && !pausing)
16033 if (gameMode == IcsExamining && pausing)
16034 limit = pauseExamForwardMostMove;
16036 limit = forwardMostMove;
16038 if (target > limit) target = limit;
16040 if (target > 0 && moveList[target - 1][0]) {
16041 int fromX, fromY, toX, toY;
16042 toX = moveList[target - 1][2] - AAA;
16043 toY = moveList[target - 1][3] - ONE;
16044 if (moveList[target - 1][1] == '@') {
16045 if (appData.highlightLastMove) {
16046 SetHighlights(-1, -1, toX, toY);
16049 fromX = moveList[target - 1][0] - AAA;
16050 fromY = moveList[target - 1][1] - ONE;
16051 if (target == currentMove + 1) {
16052 if(moveList[target - 1][4] == ';') { // multi-leg
16053 killX = moveList[target - 1][5] - AAA;
16054 killY = moveList[target - 1][6] - ONE;
16056 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16057 killX = killY = -1;
16059 if (appData.highlightLastMove) {
16060 SetHighlights(fromX, fromY, toX, toY);
16064 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16065 gameMode == Training || gameMode == PlayFromGameFile ||
16066 gameMode == AnalyzeFile) {
16067 while (currentMove < target) {
16068 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16069 SendMoveToProgram(currentMove++, &first);
16072 currentMove = target;
16075 if (gameMode == EditGame || gameMode == EndOfGame) {
16076 whiteTimeRemaining = timeRemaining[0][currentMove];
16077 blackTimeRemaining = timeRemaining[1][currentMove];
16079 DisplayBothClocks();
16080 DisplayMove(currentMove - 1);
16081 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16082 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16083 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16084 DisplayComment(currentMove - 1, commentList[currentMove]);
16086 ClearMap(); // [HGM] exclude: invalidate map
16093 if (gameMode == IcsExamining && !pausing) {
16094 SendToICS(ics_prefix);
16095 SendToICS("forward\n");
16097 ForwardInner(currentMove + 1);
16104 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16105 /* to optimze, we temporarily turn off analysis mode while we feed
16106 * the remaining moves to the engine. Otherwise we get analysis output
16109 if (first.analysisSupport) {
16110 SendToProgram("exit\nforce\n", &first);
16111 first.analyzing = FALSE;
16115 if (gameMode == IcsExamining && !pausing) {
16116 SendToICS(ics_prefix);
16117 SendToICS("forward 999999\n");
16119 ForwardInner(forwardMostMove);
16122 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16123 /* we have fed all the moves, so reactivate analysis mode */
16124 SendToProgram("analyze\n", &first);
16125 first.analyzing = TRUE;
16126 /*first.maybeThinking = TRUE;*/
16127 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16132 BackwardInner (int target)
16134 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16136 if (appData.debugMode)
16137 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16138 target, currentMove, forwardMostMove);
16140 if (gameMode == EditPosition) return;
16141 seekGraphUp = FALSE;
16142 MarkTargetSquares(1);
16143 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16144 if (currentMove <= backwardMostMove) {
16146 DrawPosition(full_redraw, boards[currentMove]);
16149 if (gameMode == PlayFromGameFile && !pausing)
16152 if (moveList[target][0]) {
16153 int fromX, fromY, toX, toY;
16154 toX = moveList[target][2] - AAA;
16155 toY = moveList[target][3] - ONE;
16156 if (moveList[target][1] == '@') {
16157 if (appData.highlightLastMove) {
16158 SetHighlights(-1, -1, toX, toY);
16161 fromX = moveList[target][0] - AAA;
16162 fromY = moveList[target][1] - ONE;
16163 if (target == currentMove - 1) {
16164 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16166 if (appData.highlightLastMove) {
16167 SetHighlights(fromX, fromY, toX, toY);
16171 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16172 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16173 while (currentMove > target) {
16174 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16175 // null move cannot be undone. Reload program with move history before it.
16177 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16178 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16180 SendBoard(&first, i);
16181 if(second.analyzing) SendBoard(&second, i);
16182 for(currentMove=i; currentMove<target; currentMove++) {
16183 SendMoveToProgram(currentMove, &first);
16184 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16188 SendToBoth("undo\n");
16192 currentMove = target;
16195 if (gameMode == EditGame || gameMode == EndOfGame) {
16196 whiteTimeRemaining = timeRemaining[0][currentMove];
16197 blackTimeRemaining = timeRemaining[1][currentMove];
16199 DisplayBothClocks();
16200 DisplayMove(currentMove - 1);
16201 DrawPosition(full_redraw, boards[currentMove]);
16202 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16203 // [HGM] PV info: routine tests if comment empty
16204 DisplayComment(currentMove - 1, commentList[currentMove]);
16205 ClearMap(); // [HGM] exclude: invalidate map
16211 if (gameMode == IcsExamining && !pausing) {
16212 SendToICS(ics_prefix);
16213 SendToICS("backward\n");
16215 BackwardInner(currentMove - 1);
16222 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16223 /* to optimize, we temporarily turn off analysis mode while we undo
16224 * all the moves. Otherwise we get analysis output after each undo.
16226 if (first.analysisSupport) {
16227 SendToProgram("exit\nforce\n", &first);
16228 first.analyzing = FALSE;
16232 if (gameMode == IcsExamining && !pausing) {
16233 SendToICS(ics_prefix);
16234 SendToICS("backward 999999\n");
16236 BackwardInner(backwardMostMove);
16239 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16240 /* we have fed all the moves, so reactivate analysis mode */
16241 SendToProgram("analyze\n", &first);
16242 first.analyzing = TRUE;
16243 /*first.maybeThinking = TRUE;*/
16244 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16251 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16252 if (to >= forwardMostMove) to = forwardMostMove;
16253 if (to <= backwardMostMove) to = backwardMostMove;
16254 if (to < currentMove) {
16262 RevertEvent (Boolean annotate)
16264 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16267 if (gameMode != IcsExamining) {
16268 DisplayError(_("You are not examining a game"), 0);
16272 DisplayError(_("You can't revert while pausing"), 0);
16275 SendToICS(ics_prefix);
16276 SendToICS("revert\n");
16280 RetractMoveEvent ()
16282 switch (gameMode) {
16283 case MachinePlaysWhite:
16284 case MachinePlaysBlack:
16285 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16286 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16289 if (forwardMostMove < 2) return;
16290 currentMove = forwardMostMove = forwardMostMove - 2;
16291 whiteTimeRemaining = timeRemaining[0][currentMove];
16292 blackTimeRemaining = timeRemaining[1][currentMove];
16293 DisplayBothClocks();
16294 DisplayMove(currentMove - 1);
16295 ClearHighlights();/*!! could figure this out*/
16296 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16297 SendToProgram("remove\n", &first);
16298 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16301 case BeginningOfGame:
16305 case IcsPlayingWhite:
16306 case IcsPlayingBlack:
16307 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16308 SendToICS(ics_prefix);
16309 SendToICS("takeback 2\n");
16311 SendToICS(ics_prefix);
16312 SendToICS("takeback 1\n");
16321 ChessProgramState *cps;
16323 switch (gameMode) {
16324 case MachinePlaysWhite:
16325 if (!WhiteOnMove(forwardMostMove)) {
16326 DisplayError(_("It is your turn"), 0);
16331 case MachinePlaysBlack:
16332 if (WhiteOnMove(forwardMostMove)) {
16333 DisplayError(_("It is your turn"), 0);
16338 case TwoMachinesPlay:
16339 if (WhiteOnMove(forwardMostMove) ==
16340 (first.twoMachinesColor[0] == 'w')) {
16346 case BeginningOfGame:
16350 SendToProgram("?\n", cps);
16354 TruncateGameEvent ()
16357 if (gameMode != EditGame) return;
16364 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16365 if (forwardMostMove > currentMove) {
16366 if (gameInfo.resultDetails != NULL) {
16367 free(gameInfo.resultDetails);
16368 gameInfo.resultDetails = NULL;
16369 gameInfo.result = GameUnfinished;
16371 forwardMostMove = currentMove;
16372 HistorySet(parseList, backwardMostMove, forwardMostMove,
16380 if (appData.noChessProgram) return;
16381 switch (gameMode) {
16382 case MachinePlaysWhite:
16383 if (WhiteOnMove(forwardMostMove)) {
16384 DisplayError(_("Wait until your turn."), 0);
16388 case BeginningOfGame:
16389 case MachinePlaysBlack:
16390 if (!WhiteOnMove(forwardMostMove)) {
16391 DisplayError(_("Wait until your turn."), 0);
16396 DisplayError(_("No hint available"), 0);
16399 SendToProgram("hint\n", &first);
16400 hintRequested = TRUE;
16404 SaveSelected (FILE *g, int dummy, char *dummy2)
16406 ListGame * lg = (ListGame *) gameList.head;
16410 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16411 DisplayError(_("Game list not loaded or empty"), 0);
16415 creatingBook = TRUE; // suppresses stuff during load game
16417 /* Get list size */
16418 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16419 if(lg->position >= 0) { // selected?
16420 LoadGame(f, nItem, "", TRUE);
16421 SaveGamePGN2(g); // leaves g open
16424 lg = (ListGame *) lg->node.succ;
16428 creatingBook = FALSE;
16436 ListGame * lg = (ListGame *) gameList.head;
16439 static int secondTime = FALSE;
16441 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16442 DisplayError(_("Game list not loaded or empty"), 0);
16446 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16449 DisplayNote(_("Book file exists! Try again for overwrite."));
16453 creatingBook = TRUE;
16454 secondTime = FALSE;
16456 /* Get list size */
16457 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16458 if(lg->position >= 0) {
16459 LoadGame(f, nItem, "", TRUE);
16460 AddGameToBook(TRUE);
16463 lg = (ListGame *) lg->node.succ;
16466 creatingBook = FALSE;
16473 if (appData.noChessProgram) return;
16474 switch (gameMode) {
16475 case MachinePlaysWhite:
16476 if (WhiteOnMove(forwardMostMove)) {
16477 DisplayError(_("Wait until your turn."), 0);
16481 case BeginningOfGame:
16482 case MachinePlaysBlack:
16483 if (!WhiteOnMove(forwardMostMove)) {
16484 DisplayError(_("Wait until your turn."), 0);
16489 EditPositionDone(TRUE);
16491 case TwoMachinesPlay:
16496 SendToProgram("bk\n", &first);
16497 bookOutput[0] = NULLCHAR;
16498 bookRequested = TRUE;
16504 char *tags = PGNTags(&gameInfo);
16505 TagsPopUp(tags, CmailMsg());
16509 /* end button procedures */
16512 PrintPosition (FILE *fp, int move)
16516 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16517 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16518 char c = PieceToChar(boards[move][i][j]);
16519 fputc(c == '?' ? '.' : c, fp);
16520 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16523 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16524 fprintf(fp, "white to play\n");
16526 fprintf(fp, "black to play\n");
16530 PrintOpponents (FILE *fp)
16532 if (gameInfo.white != NULL) {
16533 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16539 /* Find last component of program's own name, using some heuristics */
16541 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16544 int local = (strcmp(host, "localhost") == 0);
16545 while (!local && (p = strchr(prog, ';')) != NULL) {
16547 while (*p == ' ') p++;
16550 if (*prog == '"' || *prog == '\'') {
16551 q = strchr(prog + 1, *prog);
16553 q = strchr(prog, ' ');
16555 if (q == NULL) q = prog + strlen(prog);
16557 while (p >= prog && *p != '/' && *p != '\\') p--;
16559 if(p == prog && *p == '"') p++;
16561 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16562 memcpy(buf, p, q - p);
16563 buf[q - p] = NULLCHAR;
16571 TimeControlTagValue ()
16574 if (!appData.clockMode) {
16575 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16576 } else if (movesPerSession > 0) {
16577 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16578 } else if (timeIncrement == 0) {
16579 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16581 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16583 return StrSave(buf);
16589 /* This routine is used only for certain modes */
16590 VariantClass v = gameInfo.variant;
16591 ChessMove r = GameUnfinished;
16594 if(keepInfo) return;
16596 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16597 r = gameInfo.result;
16598 p = gameInfo.resultDetails;
16599 gameInfo.resultDetails = NULL;
16601 ClearGameInfo(&gameInfo);
16602 gameInfo.variant = v;
16604 switch (gameMode) {
16605 case MachinePlaysWhite:
16606 gameInfo.event = StrSave( appData.pgnEventHeader );
16607 gameInfo.site = StrSave(HostName());
16608 gameInfo.date = PGNDate();
16609 gameInfo.round = StrSave("-");
16610 gameInfo.white = StrSave(first.tidy);
16611 gameInfo.black = StrSave(UserName());
16612 gameInfo.timeControl = TimeControlTagValue();
16615 case MachinePlaysBlack:
16616 gameInfo.event = StrSave( appData.pgnEventHeader );
16617 gameInfo.site = StrSave(HostName());
16618 gameInfo.date = PGNDate();
16619 gameInfo.round = StrSave("-");
16620 gameInfo.white = StrSave(UserName());
16621 gameInfo.black = StrSave(first.tidy);
16622 gameInfo.timeControl = TimeControlTagValue();
16625 case TwoMachinesPlay:
16626 gameInfo.event = StrSave( appData.pgnEventHeader );
16627 gameInfo.site = StrSave(HostName());
16628 gameInfo.date = PGNDate();
16631 snprintf(buf, MSG_SIZ, "%d", roundNr);
16632 gameInfo.round = StrSave(buf);
16634 gameInfo.round = StrSave("-");
16636 if (first.twoMachinesColor[0] == 'w') {
16637 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16638 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16640 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16641 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16643 gameInfo.timeControl = TimeControlTagValue();
16647 gameInfo.event = StrSave("Edited game");
16648 gameInfo.site = StrSave(HostName());
16649 gameInfo.date = PGNDate();
16650 gameInfo.round = StrSave("-");
16651 gameInfo.white = StrSave("-");
16652 gameInfo.black = StrSave("-");
16653 gameInfo.result = r;
16654 gameInfo.resultDetails = p;
16658 gameInfo.event = StrSave("Edited position");
16659 gameInfo.site = StrSave(HostName());
16660 gameInfo.date = PGNDate();
16661 gameInfo.round = StrSave("-");
16662 gameInfo.white = StrSave("-");
16663 gameInfo.black = StrSave("-");
16666 case IcsPlayingWhite:
16667 case IcsPlayingBlack:
16672 case PlayFromGameFile:
16673 gameInfo.event = StrSave("Game from non-PGN file");
16674 gameInfo.site = StrSave(HostName());
16675 gameInfo.date = PGNDate();
16676 gameInfo.round = StrSave("-");
16677 gameInfo.white = StrSave("?");
16678 gameInfo.black = StrSave("?");
16687 ReplaceComment (int index, char *text)
16693 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16694 pvInfoList[index-1].depth == len &&
16695 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16696 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16697 while (*text == '\n') text++;
16698 len = strlen(text);
16699 while (len > 0 && text[len - 1] == '\n') len--;
16701 if (commentList[index] != NULL)
16702 free(commentList[index]);
16705 commentList[index] = NULL;
16708 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16709 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16710 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16711 commentList[index] = (char *) malloc(len + 2);
16712 strncpy(commentList[index], text, len);
16713 commentList[index][len] = '\n';
16714 commentList[index][len + 1] = NULLCHAR;
16716 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16718 commentList[index] = (char *) malloc(len + 7);
16719 safeStrCpy(commentList[index], "{\n", 3);
16720 safeStrCpy(commentList[index]+2, text, len+1);
16721 commentList[index][len+2] = NULLCHAR;
16722 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16723 strcat(commentList[index], "\n}\n");
16728 CrushCRs (char *text)
16736 if (ch == '\r') continue;
16738 } while (ch != '\0');
16742 AppendComment (int index, char *text, Boolean addBraces)
16743 /* addBraces tells if we should add {} */
16748 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16749 if(addBraces == 3) addBraces = 0; else // force appending literally
16750 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16753 while (*text == '\n') text++;
16754 len = strlen(text);
16755 while (len > 0 && text[len - 1] == '\n') len--;
16756 text[len] = NULLCHAR;
16758 if (len == 0) return;
16760 if (commentList[index] != NULL) {
16761 Boolean addClosingBrace = addBraces;
16762 old = commentList[index];
16763 oldlen = strlen(old);
16764 while(commentList[index][oldlen-1] == '\n')
16765 commentList[index][--oldlen] = NULLCHAR;
16766 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16767 safeStrCpy(commentList[index], old, oldlen + len + 6);
16769 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16770 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16771 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16772 while (*text == '\n') { text++; len--; }
16773 commentList[index][--oldlen] = NULLCHAR;
16775 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16776 else strcat(commentList[index], "\n");
16777 strcat(commentList[index], text);
16778 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16779 else strcat(commentList[index], "\n");
16781 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16783 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16784 else commentList[index][0] = NULLCHAR;
16785 strcat(commentList[index], text);
16786 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16787 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16792 FindStr (char * text, char * sub_text)
16794 char * result = strstr( text, sub_text );
16796 if( result != NULL ) {
16797 result += strlen( sub_text );
16803 /* [AS] Try to extract PV info from PGN comment */
16804 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16806 GetInfoFromComment (int index, char * text)
16808 char * sep = text, *p;
16810 if( text != NULL && index > 0 ) {
16813 int time = -1, sec = 0, deci;
16814 char * s_eval = FindStr( text, "[%eval " );
16815 char * s_emt = FindStr( text, "[%emt " );
16817 if( s_eval != NULL || s_emt != NULL ) {
16819 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16824 if( s_eval != NULL ) {
16825 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16829 if( delim != ']' ) {
16834 if( s_emt != NULL ) {
16839 /* We expect something like: [+|-]nnn.nn/dd */
16842 if(*text != '{') return text; // [HGM] braces: must be normal comment
16844 sep = strchr( text, '/' );
16845 if( sep == NULL || sep < (text+4) ) {
16850 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16851 if(p[1] == '(') { // comment starts with PV
16852 p = strchr(p, ')'); // locate end of PV
16853 if(p == NULL || sep < p+5) return text;
16854 // at this point we have something like "{(.*) +0.23/6 ..."
16855 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16856 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16857 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16859 time = -1; sec = -1; deci = -1;
16860 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16861 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16862 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16863 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16867 if( score_lo < 0 || score_lo >= 100 ) {
16871 if(sec >= 0) time = 600*time + 10*sec; else
16872 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16874 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16876 /* [HGM] PV time: now locate end of PV info */
16877 while( *++sep >= '0' && *sep <= '9'); // strip depth
16879 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16881 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16883 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16884 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16895 pvInfoList[index-1].depth = depth;
16896 pvInfoList[index-1].score = score;
16897 pvInfoList[index-1].time = 10*time; // centi-sec
16898 if(*sep == '}') *sep = 0; else *--sep = '{';
16900 while(*p++ = *sep++)
16903 } // squeeze out space between PV and comment, and return both
16909 SendToProgram (char *message, ChessProgramState *cps)
16911 int count, outCount, error;
16914 if (cps->pr == NoProc) return;
16917 if (appData.debugMode) {
16920 fprintf(debugFP, "%ld >%-6s: %s",
16921 SubtractTimeMarks(&now, &programStartTime),
16922 cps->which, message);
16924 fprintf(serverFP, "%ld >%-6s: %s",
16925 SubtractTimeMarks(&now, &programStartTime),
16926 cps->which, message), fflush(serverFP);
16929 count = strlen(message);
16930 outCount = OutputToProcess(cps->pr, message, count, &error);
16931 if (outCount < count && !exiting
16932 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16933 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16934 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16935 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16936 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16937 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16938 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16939 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16941 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16942 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16943 gameInfo.result = res;
16945 gameInfo.resultDetails = StrSave(buf);
16947 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16948 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16953 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16957 ChessProgramState *cps = (ChessProgramState *)closure;
16959 if (isr != cps->isr) return; /* Killed intentionally */
16962 RemoveInputSource(cps->isr);
16963 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16964 _(cps->which), cps->program);
16965 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16966 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16967 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16968 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16969 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16970 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16972 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16973 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16974 gameInfo.result = res;
16976 gameInfo.resultDetails = StrSave(buf);
16978 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16979 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16981 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16982 _(cps->which), cps->program);
16983 RemoveInputSource(cps->isr);
16985 /* [AS] Program is misbehaving badly... kill it */
16986 if( count == -2 ) {
16987 DestroyChildProcess( cps->pr, 9 );
16991 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16996 if ((end_str = strchr(message, '\r')) != NULL)
16997 *end_str = NULLCHAR;
16998 if ((end_str = strchr(message, '\n')) != NULL)
16999 *end_str = NULLCHAR;
17001 if (appData.debugMode) {
17002 TimeMark now; int print = 1;
17003 char *quote = ""; char c; int i;
17005 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17006 char start = message[0];
17007 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17008 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17009 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17010 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17011 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17012 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17013 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17014 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17015 sscanf(message, "hint: %c", &c)!=1 &&
17016 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17017 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17018 print = (appData.engineComments >= 2);
17020 message[0] = start; // restore original message
17024 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17025 SubtractTimeMarks(&now, &programStartTime), cps->which,
17029 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17030 SubtractTimeMarks(&now, &programStartTime), cps->which,
17032 message), fflush(serverFP);
17036 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17037 if (appData.icsEngineAnalyze) {
17038 if (strstr(message, "whisper") != NULL ||
17039 strstr(message, "kibitz") != NULL ||
17040 strstr(message, "tellics") != NULL) return;
17043 HandleMachineMove(message, cps);
17048 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17053 if( timeControl_2 > 0 ) {
17054 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17055 tc = timeControl_2;
17058 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17059 inc /= cps->timeOdds;
17060 st /= cps->timeOdds;
17062 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17065 /* Set exact time per move, normally using st command */
17066 if (cps->stKludge) {
17067 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17069 if (seconds == 0) {
17070 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17072 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17075 snprintf(buf, MSG_SIZ, "st %d\n", st);
17078 /* Set conventional or incremental time control, using level command */
17079 if (seconds == 0) {
17080 /* Note old gnuchess bug -- minutes:seconds used to not work.
17081 Fixed in later versions, but still avoid :seconds
17082 when seconds is 0. */
17083 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17085 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17086 seconds, inc/1000.);
17089 SendToProgram(buf, cps);
17091 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17092 /* Orthogonally, limit search to given depth */
17094 if (cps->sdKludge) {
17095 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17097 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17099 SendToProgram(buf, cps);
17102 if(cps->nps >= 0) { /* [HGM] nps */
17103 if(cps->supportsNPS == FALSE)
17104 cps->nps = -1; // don't use if engine explicitly says not supported!
17106 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17107 SendToProgram(buf, cps);
17112 ChessProgramState *
17114 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17116 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17117 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17123 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17125 char message[MSG_SIZ];
17128 /* Note: this routine must be called when the clocks are stopped
17129 or when they have *just* been set or switched; otherwise
17130 it will be off by the time since the current tick started.
17132 if (machineWhite) {
17133 time = whiteTimeRemaining / 10;
17134 otime = blackTimeRemaining / 10;
17136 time = blackTimeRemaining / 10;
17137 otime = whiteTimeRemaining / 10;
17139 /* [HGM] translate opponent's time by time-odds factor */
17140 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17142 if (time <= 0) time = 1;
17143 if (otime <= 0) otime = 1;
17145 snprintf(message, MSG_SIZ, "time %ld\n", time);
17146 SendToProgram(message, cps);
17148 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17149 SendToProgram(message, cps);
17153 EngineDefinedVariant (ChessProgramState *cps, int n)
17154 { // return name of n-th unknown variant that engine supports
17155 static char buf[MSG_SIZ];
17156 char *p, *s = cps->variants;
17157 if(!s) return NULL;
17158 do { // parse string from variants feature
17160 p = strchr(s, ',');
17161 if(p) *p = NULLCHAR;
17162 v = StringToVariant(s);
17163 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17164 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17165 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17166 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17167 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17168 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17169 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17172 if(n < 0) return buf;
17178 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17181 int len = strlen(name);
17184 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17186 sscanf(*p, "%d", &val);
17188 while (**p && **p != ' ')
17190 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17191 SendToProgram(buf, cps);
17198 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17201 int len = strlen(name);
17202 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17204 sscanf(*p, "%d", loc);
17205 while (**p && **p != ' ') (*p)++;
17206 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17207 SendToProgram(buf, cps);
17214 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17217 int len = strlen(name);
17218 if (strncmp((*p), name, len) == 0
17219 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17221 len = strlen(*p) + 1; if(len < MSG_SIZ && !strcmp(name, "option")) len = MSG_SIZ; // make sure string options have enough space to change their value
17222 FREE(*loc); *loc = malloc(len);
17223 strncpy(*loc, *p, len);
17224 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17225 while (**p && **p != '\"') (*p)++;
17226 if (**p == '\"') (*p)++;
17227 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17228 SendToProgram(buf, cps);
17235 ParseOption (Option *opt, ChessProgramState *cps)
17236 // [HGM] options: process the string that defines an engine option, and determine
17237 // name, type, default value, and allowed value range
17239 char *p, *q, buf[MSG_SIZ];
17240 int n, min = (-1)<<31, max = 1<<31, def;
17242 opt->target = &opt->value; // OK for spin/slider and checkbox
17243 if(p = strstr(opt->name, " -spin ")) {
17244 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17245 if(max < min) max = min; // enforce consistency
17246 if(def < min) def = min;
17247 if(def > max) def = max;
17252 } else if((p = strstr(opt->name, " -slider "))) {
17253 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17254 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17255 if(max < min) max = min; // enforce consistency
17256 if(def < min) def = min;
17257 if(def > max) def = max;
17261 opt->type = Spin; // Slider;
17262 } else if((p = strstr(opt->name, " -string "))) {
17263 opt->textValue = p+9;
17264 opt->type = TextBox;
17265 opt->target = &opt->textValue;
17266 } else if((p = strstr(opt->name, " -file "))) {
17267 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17268 opt->target = opt->textValue = p+7;
17269 opt->type = FileName; // FileName;
17270 opt->target = &opt->textValue;
17271 } else if((p = strstr(opt->name, " -path "))) {
17272 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17273 opt->target = opt->textValue = p+7;
17274 opt->type = PathName; // PathName;
17275 opt->target = &opt->textValue;
17276 } else if(p = strstr(opt->name, " -check ")) {
17277 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17278 opt->value = (def != 0);
17279 opt->type = CheckBox;
17280 } else if(p = strstr(opt->name, " -combo ")) {
17281 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17282 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17283 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17284 opt->value = n = 0;
17285 while(q = StrStr(q, " /// ")) {
17286 n++; *q = 0; // count choices, and null-terminate each of them
17288 if(*q == '*') { // remember default, which is marked with * prefix
17292 cps->comboList[cps->comboCnt++] = q;
17294 cps->comboList[cps->comboCnt++] = NULL;
17296 opt->type = ComboBox;
17297 } else if(p = strstr(opt->name, " -button")) {
17298 opt->type = Button;
17299 } else if(p = strstr(opt->name, " -save")) {
17300 opt->type = SaveButton;
17301 } else return FALSE;
17302 *p = 0; // terminate option name
17303 // now look if the command-line options define a setting for this engine option.
17304 if(cps->optionSettings && cps->optionSettings[0])
17305 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17306 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17307 snprintf(buf, MSG_SIZ, "option %s", p);
17308 if(p = strstr(buf, ",")) *p = 0;
17309 if(q = strchr(buf, '=')) switch(opt->type) {
17311 for(n=0; n<opt->max; n++)
17312 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17315 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17319 opt->value = atoi(q+1);
17324 SendToProgram(buf, cps);
17326 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17327 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17332 FeatureDone (ChessProgramState *cps, int val)
17334 DelayedEventCallback cb = GetDelayedEvent();
17335 if ((cb == InitBackEnd3 && cps == &first) ||
17336 (cb == SettingsMenuIfReady && cps == &second) ||
17337 (cb == LoadEngine) ||
17338 (cb == TwoMachinesEventIfReady)) {
17339 CancelDelayedEvent();
17340 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17341 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17342 cps->initDone = val;
17343 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17346 /* Parse feature command from engine */
17348 ParseFeatures (char *args, ChessProgramState *cps)
17356 while (*p == ' ') p++;
17357 if (*p == NULLCHAR) return;
17359 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17360 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17361 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17362 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17363 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17364 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17365 if (BoolFeature(&p, "reuse", &val, cps)) {
17366 /* Engine can disable reuse, but can't enable it if user said no */
17367 if (!val) cps->reuse = FALSE;
17370 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17371 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17372 if (gameMode == TwoMachinesPlay) {
17373 DisplayTwoMachinesTitle();
17379 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17380 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17381 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17382 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17383 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17384 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17385 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17386 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17387 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17388 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17389 if (IntFeature(&p, "done", &val, cps)) {
17390 FeatureDone(cps, val);
17393 /* Added by Tord: */
17394 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17395 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17396 /* End of additions by Tord */
17398 /* [HGM] added features: */
17399 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17400 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17401 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17402 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17403 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17404 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17405 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17406 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17407 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17408 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17409 FREE(cps->option[cps->nrOptions].name);
17410 cps->option[cps->nrOptions].name = q; q = NULL;
17411 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17412 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17413 SendToProgram(buf, cps);
17416 if(cps->nrOptions >= MAX_OPTIONS) {
17418 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17419 DisplayError(buf, 0);
17423 /* End of additions by HGM */
17425 /* unknown feature: complain and skip */
17427 while (*q && *q != '=') q++;
17428 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17429 SendToProgram(buf, cps);
17435 while (*p && *p != '\"') p++;
17436 if (*p == '\"') p++;
17438 while (*p && *p != ' ') p++;
17446 PeriodicUpdatesEvent (int newState)
17448 if (newState == appData.periodicUpdates)
17451 appData.periodicUpdates=newState;
17453 /* Display type changes, so update it now */
17454 // DisplayAnalysis();
17456 /* Get the ball rolling again... */
17458 AnalysisPeriodicEvent(1);
17459 StartAnalysisClock();
17464 PonderNextMoveEvent (int newState)
17466 if (newState == appData.ponderNextMove) return;
17467 if (gameMode == EditPosition) EditPositionDone(TRUE);
17469 SendToProgram("hard\n", &first);
17470 if (gameMode == TwoMachinesPlay) {
17471 SendToProgram("hard\n", &second);
17474 SendToProgram("easy\n", &first);
17475 thinkOutput[0] = NULLCHAR;
17476 if (gameMode == TwoMachinesPlay) {
17477 SendToProgram("easy\n", &second);
17480 appData.ponderNextMove = newState;
17484 NewSettingEvent (int option, int *feature, char *command, int value)
17488 if (gameMode == EditPosition) EditPositionDone(TRUE);
17489 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17490 if(feature == NULL || *feature) SendToProgram(buf, &first);
17491 if (gameMode == TwoMachinesPlay) {
17492 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17497 ShowThinkingEvent ()
17498 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17500 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17501 int newState = appData.showThinking
17502 // [HGM] thinking: other features now need thinking output as well
17503 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17505 if (oldState == newState) return;
17506 oldState = newState;
17507 if (gameMode == EditPosition) EditPositionDone(TRUE);
17509 SendToProgram("post\n", &first);
17510 if (gameMode == TwoMachinesPlay) {
17511 SendToProgram("post\n", &second);
17514 SendToProgram("nopost\n", &first);
17515 thinkOutput[0] = NULLCHAR;
17516 if (gameMode == TwoMachinesPlay) {
17517 SendToProgram("nopost\n", &second);
17520 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17524 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17526 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17527 if (pr == NoProc) return;
17528 AskQuestion(title, question, replyPrefix, pr);
17532 TypeInEvent (char firstChar)
17534 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17535 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17536 gameMode == AnalyzeMode || gameMode == EditGame ||
17537 gameMode == EditPosition || gameMode == IcsExamining ||
17538 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17539 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17540 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17541 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17542 gameMode == Training) PopUpMoveDialog(firstChar);
17546 TypeInDoneEvent (char *move)
17549 int n, fromX, fromY, toX, toY;
17551 ChessMove moveType;
17554 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17555 EditPositionPasteFEN(move);
17558 // [HGM] movenum: allow move number to be typed in any mode
17559 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17563 // undocumented kludge: allow command-line option to be typed in!
17564 // (potentially fatal, and does not implement the effect of the option.)
17565 // should only be used for options that are values on which future decisions will be made,
17566 // and definitely not on options that would be used during initialization.
17567 if(strstr(move, "!!! -") == move) {
17568 ParseArgsFromString(move+4);
17572 if (gameMode != EditGame && currentMove != forwardMostMove &&
17573 gameMode != Training) {
17574 DisplayMoveError(_("Displayed move is not current"));
17576 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17577 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17578 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17579 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17580 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17581 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17583 DisplayMoveError(_("Could not parse move"));
17589 DisplayMove (int moveNumber)
17591 char message[MSG_SIZ];
17593 char cpThinkOutput[MSG_SIZ];
17595 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17597 if (moveNumber == forwardMostMove - 1 ||
17598 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17600 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17602 if (strchr(cpThinkOutput, '\n')) {
17603 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17606 *cpThinkOutput = NULLCHAR;
17609 /* [AS] Hide thinking from human user */
17610 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17611 *cpThinkOutput = NULLCHAR;
17612 if( thinkOutput[0] != NULLCHAR ) {
17615 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17616 cpThinkOutput[i] = '.';
17618 cpThinkOutput[i] = NULLCHAR;
17619 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17623 if (moveNumber == forwardMostMove - 1 &&
17624 gameInfo.resultDetails != NULL) {
17625 if (gameInfo.resultDetails[0] == NULLCHAR) {
17626 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17628 snprintf(res, MSG_SIZ, " {%s} %s",
17629 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17635 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17636 DisplayMessage(res, cpThinkOutput);
17638 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17639 WhiteOnMove(moveNumber) ? " " : ".. ",
17640 parseList[moveNumber], res);
17641 DisplayMessage(message, cpThinkOutput);
17646 DisplayComment (int moveNumber, char *text)
17648 char title[MSG_SIZ];
17650 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17651 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17653 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17654 WhiteOnMove(moveNumber) ? " " : ".. ",
17655 parseList[moveNumber]);
17657 if (text != NULL && (appData.autoDisplayComment || commentUp))
17658 CommentPopUp(title, text);
17661 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17662 * might be busy thinking or pondering. It can be omitted if your
17663 * gnuchess is configured to stop thinking immediately on any user
17664 * input. However, that gnuchess feature depends on the FIONREAD
17665 * ioctl, which does not work properly on some flavors of Unix.
17668 Attention (ChessProgramState *cps)
17671 if (!cps->useSigint) return;
17672 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17673 switch (gameMode) {
17674 case MachinePlaysWhite:
17675 case MachinePlaysBlack:
17676 case TwoMachinesPlay:
17677 case IcsPlayingWhite:
17678 case IcsPlayingBlack:
17681 /* Skip if we know it isn't thinking */
17682 if (!cps->maybeThinking) return;
17683 if (appData.debugMode)
17684 fprintf(debugFP, "Interrupting %s\n", cps->which);
17685 InterruptChildProcess(cps->pr);
17686 cps->maybeThinking = FALSE;
17691 #endif /*ATTENTION*/
17697 if (whiteTimeRemaining <= 0) {
17700 if (appData.icsActive) {
17701 if (appData.autoCallFlag &&
17702 gameMode == IcsPlayingBlack && !blackFlag) {
17703 SendToICS(ics_prefix);
17704 SendToICS("flag\n");
17708 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17710 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17711 if (appData.autoCallFlag) {
17712 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17719 if (blackTimeRemaining <= 0) {
17722 if (appData.icsActive) {
17723 if (appData.autoCallFlag &&
17724 gameMode == IcsPlayingWhite && !whiteFlag) {
17725 SendToICS(ics_prefix);
17726 SendToICS("flag\n");
17730 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17732 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17733 if (appData.autoCallFlag) {
17734 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17745 CheckTimeControl ()
17747 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17748 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17751 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17753 if ( !WhiteOnMove(forwardMostMove) ) {
17754 /* White made time control */
17755 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17756 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17757 /* [HGM] time odds: correct new time quota for time odds! */
17758 / WhitePlayer()->timeOdds;
17759 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17761 lastBlack -= blackTimeRemaining;
17762 /* Black made time control */
17763 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17764 / WhitePlayer()->other->timeOdds;
17765 lastWhite = whiteTimeRemaining;
17770 DisplayBothClocks ()
17772 int wom = gameMode == EditPosition ?
17773 !blackPlaysFirst : WhiteOnMove(currentMove);
17774 DisplayWhiteClock(whiteTimeRemaining, wom);
17775 DisplayBlackClock(blackTimeRemaining, !wom);
17779 /* Timekeeping seems to be a portability nightmare. I think everyone
17780 has ftime(), but I'm really not sure, so I'm including some ifdefs
17781 to use other calls if you don't. Clocks will be less accurate if
17782 you have neither ftime nor gettimeofday.
17785 /* VS 2008 requires the #include outside of the function */
17786 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17787 #include <sys/timeb.h>
17790 /* Get the current time as a TimeMark */
17792 GetTimeMark (TimeMark *tm)
17794 #if HAVE_GETTIMEOFDAY
17796 struct timeval timeVal;
17797 struct timezone timeZone;
17799 gettimeofday(&timeVal, &timeZone);
17800 tm->sec = (long) timeVal.tv_sec;
17801 tm->ms = (int) (timeVal.tv_usec / 1000L);
17803 #else /*!HAVE_GETTIMEOFDAY*/
17806 // include <sys/timeb.h> / moved to just above start of function
17807 struct timeb timeB;
17810 tm->sec = (long) timeB.time;
17811 tm->ms = (int) timeB.millitm;
17813 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17814 tm->sec = (long) time(NULL);
17820 /* Return the difference in milliseconds between two
17821 time marks. We assume the difference will fit in a long!
17824 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17826 return 1000L*(tm2->sec - tm1->sec) +
17827 (long) (tm2->ms - tm1->ms);
17832 * Code to manage the game clocks.
17834 * In tournament play, black starts the clock and then white makes a move.
17835 * We give the human user a slight advantage if he is playing white---the
17836 * clocks don't run until he makes his first move, so it takes zero time.
17837 * Also, we don't account for network lag, so we could get out of sync
17838 * with GNU Chess's clock -- but then, referees are always right.
17841 static TimeMark tickStartTM;
17842 static long intendedTickLength;
17845 NextTickLength (long timeRemaining)
17847 long nominalTickLength, nextTickLength;
17849 if (timeRemaining > 0L && timeRemaining <= 10000L)
17850 nominalTickLength = 100L;
17852 nominalTickLength = 1000L;
17853 nextTickLength = timeRemaining % nominalTickLength;
17854 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17856 return nextTickLength;
17859 /* Adjust clock one minute up or down */
17861 AdjustClock (Boolean which, int dir)
17863 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17864 if(which) blackTimeRemaining += 60000*dir;
17865 else whiteTimeRemaining += 60000*dir;
17866 DisplayBothClocks();
17867 adjustedClock = TRUE;
17870 /* Stop clocks and reset to a fresh time control */
17874 (void) StopClockTimer();
17875 if (appData.icsActive) {
17876 whiteTimeRemaining = blackTimeRemaining = 0;
17877 } else if (searchTime) {
17878 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17879 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17880 } else { /* [HGM] correct new time quote for time odds */
17881 whiteTC = blackTC = fullTimeControlString;
17882 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17883 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17885 if (whiteFlag || blackFlag) {
17887 whiteFlag = blackFlag = FALSE;
17889 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17890 DisplayBothClocks();
17891 adjustedClock = FALSE;
17894 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17896 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17898 /* Decrement running clock by amount of time that has passed */
17903 long lastTickLength, fudge;
17906 if (!appData.clockMode) return;
17907 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17911 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17913 /* Fudge if we woke up a little too soon */
17914 fudge = intendedTickLength - lastTickLength;
17915 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17917 if (WhiteOnMove(forwardMostMove)) {
17918 if(whiteNPS >= 0) lastTickLength = 0;
17919 tRemaining = whiteTimeRemaining -= lastTickLength;
17920 if( tRemaining < 0 && !appData.icsActive) {
17921 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17922 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17923 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17924 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17927 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17928 DisplayWhiteClock(whiteTimeRemaining - fudge,
17929 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17932 if(blackNPS >= 0) lastTickLength = 0;
17933 tRemaining = blackTimeRemaining -= lastTickLength;
17934 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17935 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17937 blackStartMove = forwardMostMove;
17938 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17941 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17942 DisplayBlackClock(blackTimeRemaining - fudge,
17943 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17946 if (CheckFlags()) return;
17948 if(twoBoards) { // count down secondary board's clocks as well
17949 activePartnerTime -= lastTickLength;
17951 if(activePartner == 'W')
17952 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17954 DisplayBlackClock(activePartnerTime, TRUE);
17959 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17960 StartClockTimer(intendedTickLength);
17962 /* if the time remaining has fallen below the alarm threshold, sound the
17963 * alarm. if the alarm has sounded and (due to a takeback or time control
17964 * with increment) the time remaining has increased to a level above the
17965 * threshold, reset the alarm so it can sound again.
17968 if (appData.icsActive && appData.icsAlarm) {
17970 /* make sure we are dealing with the user's clock */
17971 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17972 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17975 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17976 alarmSounded = FALSE;
17977 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17979 alarmSounded = TRUE;
17985 /* A player has just moved, so stop the previously running
17986 clock and (if in clock mode) start the other one.
17987 We redisplay both clocks in case we're in ICS mode, because
17988 ICS gives us an update to both clocks after every move.
17989 Note that this routine is called *after* forwardMostMove
17990 is updated, so the last fractional tick must be subtracted
17991 from the color that is *not* on move now.
17994 SwitchClocks (int newMoveNr)
17996 long lastTickLength;
17998 int flagged = FALSE;
18002 if (StopClockTimer() && appData.clockMode) {
18003 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18004 if (!WhiteOnMove(forwardMostMove)) {
18005 if(blackNPS >= 0) lastTickLength = 0;
18006 blackTimeRemaining -= lastTickLength;
18007 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18008 // if(pvInfoList[forwardMostMove].time == -1)
18009 pvInfoList[forwardMostMove].time = // use GUI time
18010 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18012 if(whiteNPS >= 0) lastTickLength = 0;
18013 whiteTimeRemaining -= lastTickLength;
18014 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18015 // if(pvInfoList[forwardMostMove].time == -1)
18016 pvInfoList[forwardMostMove].time =
18017 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18019 flagged = CheckFlags();
18021 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18022 CheckTimeControl();
18024 if (flagged || !appData.clockMode) return;
18026 switch (gameMode) {
18027 case MachinePlaysBlack:
18028 case MachinePlaysWhite:
18029 case BeginningOfGame:
18030 if (pausing) return;
18034 case PlayFromGameFile:
18042 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18043 if(WhiteOnMove(forwardMostMove))
18044 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18045 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18049 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18050 whiteTimeRemaining : blackTimeRemaining);
18051 StartClockTimer(intendedTickLength);
18055 /* Stop both clocks */
18059 long lastTickLength;
18062 if (!StopClockTimer()) return;
18063 if (!appData.clockMode) return;
18067 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18068 if (WhiteOnMove(forwardMostMove)) {
18069 if(whiteNPS >= 0) lastTickLength = 0;
18070 whiteTimeRemaining -= lastTickLength;
18071 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18073 if(blackNPS >= 0) lastTickLength = 0;
18074 blackTimeRemaining -= lastTickLength;
18075 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18080 /* Start clock of player on move. Time may have been reset, so
18081 if clock is already running, stop and restart it. */
18085 (void) StopClockTimer(); /* in case it was running already */
18086 DisplayBothClocks();
18087 if (CheckFlags()) return;
18089 if (!appData.clockMode) return;
18090 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18092 GetTimeMark(&tickStartTM);
18093 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18094 whiteTimeRemaining : blackTimeRemaining);
18096 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18097 whiteNPS = blackNPS = -1;
18098 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18099 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18100 whiteNPS = first.nps;
18101 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18102 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18103 blackNPS = first.nps;
18104 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18105 whiteNPS = second.nps;
18106 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18107 blackNPS = second.nps;
18108 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18110 StartClockTimer(intendedTickLength);
18114 TimeString (long ms)
18116 long second, minute, hour, day;
18118 static char buf[40], moveTime[8];
18120 if (ms > 0 && ms <= 9900) {
18121 /* convert milliseconds to tenths, rounding up */
18122 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18124 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18128 /* convert milliseconds to seconds, rounding up */
18129 /* use floating point to avoid strangeness of integer division
18130 with negative dividends on many machines */
18131 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18138 day = second / (60 * 60 * 24);
18139 second = second % (60 * 60 * 24);
18140 hour = second / (60 * 60);
18141 second = second % (60 * 60);
18142 minute = second / 60;
18143 second = second % 60;
18145 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18146 else *moveTime = NULLCHAR;
18149 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18150 sign, day, hour, minute, second, moveTime);
18152 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18154 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18161 * This is necessary because some C libraries aren't ANSI C compliant yet.
18164 StrStr (char *string, char *match)
18168 length = strlen(match);
18170 for (i = strlen(string) - length; i >= 0; i--, string++)
18171 if (!strncmp(match, string, length))
18178 StrCaseStr (char *string, char *match)
18182 length = strlen(match);
18184 for (i = strlen(string) - length; i >= 0; i--, string++) {
18185 for (j = 0; j < length; j++) {
18186 if (ToLower(match[j]) != ToLower(string[j]))
18189 if (j == length) return string;
18197 StrCaseCmp (char *s1, char *s2)
18202 c1 = ToLower(*s1++);
18203 c2 = ToLower(*s2++);
18204 if (c1 > c2) return 1;
18205 if (c1 < c2) return -1;
18206 if (c1 == NULLCHAR) return 0;
18214 return isupper(c) ? tolower(c) : c;
18221 return islower(c) ? toupper(c) : c;
18223 #endif /* !_amigados */
18230 if ((ret = (char *) malloc(strlen(s) + 1)))
18232 safeStrCpy(ret, s, strlen(s)+1);
18238 StrSavePtr (char *s, char **savePtr)
18243 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18244 safeStrCpy(*savePtr, s, strlen(s)+1);
18256 clock = time((time_t *)NULL);
18257 tm = localtime(&clock);
18258 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18259 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18260 return StrSave(buf);
18265 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18267 int i, j, fromX, fromY, toX, toY;
18268 int whiteToPlay, haveRights = nrCastlingRights;
18274 whiteToPlay = (gameMode == EditPosition) ?
18275 !blackPlaysFirst : (move % 2 == 0);
18278 /* Piece placement data */
18279 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18280 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18282 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18283 if (boards[move][i][j] == EmptySquare) {
18285 } else { ChessSquare piece = boards[move][i][j];
18286 if (emptycount > 0) {
18287 if(emptycount<10) /* [HGM] can be >= 10 */
18288 *p++ = '0' + emptycount;
18289 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18292 if(PieceToChar(piece) == '+') {
18293 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18295 piece = (ChessSquare)(CHUDEMOTED(piece));
18297 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18298 if(*p = PieceSuffix(piece)) p++;
18300 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18301 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18306 if (emptycount > 0) {
18307 if(emptycount<10) /* [HGM] can be >= 10 */
18308 *p++ = '0' + emptycount;
18309 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18316 /* [HGM] print Crazyhouse or Shogi holdings */
18317 if( gameInfo.holdingsWidth ) {
18318 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18320 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18321 piece = boards[move][i][BOARD_WIDTH-1];
18322 if( piece != EmptySquare )
18323 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18324 *p++ = PieceToChar(piece);
18326 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18327 piece = boards[move][BOARD_HEIGHT-i-1][0];
18328 if( piece != EmptySquare )
18329 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18330 *p++ = PieceToChar(piece);
18333 if( q == p ) *p++ = '-';
18339 *p++ = whiteToPlay ? 'w' : 'b';
18342 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18343 haveRights = 0; q = p;
18344 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18345 piece = boards[move][0][i];
18346 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18347 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18350 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18351 piece = boards[move][BOARD_HEIGHT-1][i];
18352 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18353 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18356 if(p == q) *p++ = '-';
18360 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18363 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18366 int handW=0, handB=0;
18367 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18368 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18369 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18372 if(appData.fischerCastling) {
18373 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18374 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18375 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18377 /* [HGM] write directly from rights */
18378 if(boards[move][CASTLING][2] != NoRights &&
18379 boards[move][CASTLING][0] != NoRights )
18380 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18381 if(boards[move][CASTLING][2] != NoRights &&
18382 boards[move][CASTLING][1] != NoRights )
18383 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18386 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18387 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18389 if(boards[move][CASTLING][5] != NoRights &&
18390 boards[move][CASTLING][3] != NoRights )
18391 *p++ = boards[move][CASTLING][3] + AAA;
18392 if(boards[move][CASTLING][5] != NoRights &&
18393 boards[move][CASTLING][4] != NoRights )
18394 *p++ = boards[move][CASTLING][4] + AAA;
18398 /* [HGM] write true castling rights */
18399 if( nrCastlingRights == 6 ) {
18401 if(boards[move][CASTLING][0] != NoRights &&
18402 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18403 q = (boards[move][CASTLING][1] != NoRights &&
18404 boards[move][CASTLING][2] != NoRights );
18405 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18406 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18407 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18408 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18412 if(boards[move][CASTLING][3] != NoRights &&
18413 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18414 q = (boards[move][CASTLING][4] != NoRights &&
18415 boards[move][CASTLING][5] != NoRights );
18417 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18418 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18419 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18424 if (q == p) *p++ = '-'; /* No castling rights */
18428 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18429 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18430 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18431 /* En passant target square */
18432 if (move > backwardMostMove) {
18433 fromX = moveList[move - 1][0] - AAA;
18434 fromY = moveList[move - 1][1] - ONE;
18435 toX = moveList[move - 1][2] - AAA;
18436 toY = moveList[move - 1][3] - ONE;
18437 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18438 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18439 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18441 /* 2-square pawn move just happened */
18443 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18447 } else if(move == backwardMostMove) {
18448 // [HGM] perhaps we should always do it like this, and forget the above?
18449 if((signed char)boards[move][EP_STATUS] >= 0) {
18450 *p++ = boards[move][EP_STATUS] + AAA;
18451 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18463 { int i = 0, j=move;
18465 /* [HGM] find reversible plies */
18466 if (appData.debugMode) { int k;
18467 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18468 for(k=backwardMostMove; k<=forwardMostMove; k++)
18469 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18473 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18474 if( j == backwardMostMove ) i += initialRulePlies;
18475 sprintf(p, "%d ", i);
18476 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18478 /* Fullmove number */
18479 sprintf(p, "%d", (move / 2) + 1);
18480 } else *--p = NULLCHAR;
18482 return StrSave(buf);
18486 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18488 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18490 int emptycount, virgin[BOARD_FILES];
18491 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18495 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18497 /* Piece placement data */
18498 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18501 if (*p == '/' || *p == ' ' || *p == '[' ) {
18503 emptycount = gameInfo.boardWidth - j;
18504 while (emptycount--)
18505 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18506 if (*p == '/') p++;
18507 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18508 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18509 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18511 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18514 #if(BOARD_FILES >= 10)*0
18515 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18516 p++; emptycount=10;
18517 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18518 while (emptycount--)
18519 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18521 } else if (*p == '*') {
18522 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18523 } else if (isdigit(*p)) {
18524 emptycount = *p++ - '0';
18525 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18526 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18527 while (emptycount--)
18528 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18529 } else if (*p == '<') {
18530 if(i == BOARD_HEIGHT-1) shuffle = 1;
18531 else if (i != 0 || !shuffle) return FALSE;
18533 } else if (shuffle && *p == '>') {
18534 p++; // for now ignore closing shuffle range, and assume rank-end
18535 } else if (*p == '?') {
18536 if (j >= gameInfo.boardWidth) return FALSE;
18537 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18538 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18539 } else if (*p == '+' || isalpha(*p)) {
18540 char *q, *s = SUFFIXES;
18541 if (j >= gameInfo.boardWidth) return FALSE;
18544 if(q = strchr(s, p[1])) p++;
18545 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18546 if(piece == EmptySquare) return FALSE; /* unknown piece */
18547 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18548 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18551 if(q = strchr(s, *p)) p++;
18552 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18555 if(piece==EmptySquare) return FALSE; /* unknown piece */
18556 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18557 piece = (ChessSquare) (PROMOTED(piece));
18558 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18561 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18562 if(piece == king) wKingRank = i;
18563 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18569 while (*p == '/' || *p == ' ') p++;
18571 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18573 /* [HGM] by default clear Crazyhouse holdings, if present */
18574 if(gameInfo.holdingsWidth) {
18575 for(i=0; i<BOARD_HEIGHT; i++) {
18576 board[i][0] = EmptySquare; /* black holdings */
18577 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18578 board[i][1] = (ChessSquare) 0; /* black counts */
18579 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18583 /* [HGM] look for Crazyhouse holdings here */
18584 while(*p==' ') p++;
18585 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18586 int swap=0, wcnt=0, bcnt=0;
18588 if(*p == '<') swap++, p++;
18589 if(*p == '-' ) p++; /* empty holdings */ else {
18590 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18591 /* if we would allow FEN reading to set board size, we would */
18592 /* have to add holdings and shift the board read so far here */
18593 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18595 if((int) piece >= (int) BlackPawn ) {
18596 i = (int)piece - (int)BlackPawn;
18597 i = PieceToNumber((ChessSquare)i);
18598 if( i >= gameInfo.holdingsSize ) return FALSE;
18599 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18600 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18603 i = (int)piece - (int)WhitePawn;
18604 i = PieceToNumber((ChessSquare)i);
18605 if( i >= gameInfo.holdingsSize ) return FALSE;
18606 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18607 board[i][BOARD_WIDTH-2]++; /* black holdings */
18611 if(subst) { // substitute back-rank question marks by holdings pieces
18612 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18613 int k, m, n = bcnt + 1;
18614 if(board[0][j] == ClearBoard) {
18615 if(!wcnt) return FALSE;
18617 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18618 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18619 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18623 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18624 if(!bcnt) return FALSE;
18625 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18626 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18627 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18628 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18639 if(subst) return FALSE; // substitution requested, but no holdings
18641 while(*p == ' ') p++;
18645 if(appData.colorNickNames) {
18646 if( c == appData.colorNickNames[0] ) c = 'w'; else
18647 if( c == appData.colorNickNames[1] ) c = 'b';
18651 *blackPlaysFirst = FALSE;
18654 *blackPlaysFirst = TRUE;
18660 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18661 /* return the extra info in global variiables */
18663 while(*p==' ') p++;
18665 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18666 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18667 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18670 /* set defaults in case FEN is incomplete */
18671 board[EP_STATUS] = EP_UNKNOWN;
18672 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18673 for(i=0; i<nrCastlingRights; i++ ) {
18674 board[CASTLING][i] =
18675 appData.fischerCastling ? NoRights : initialRights[i];
18676 } /* assume possible unless obviously impossible */
18677 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18678 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18679 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18680 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18681 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18682 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18683 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18684 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18687 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18690 while(isalpha(*p)) {
18691 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18692 if(islower(*p)) b |= 1 << (*p++ - 'a');
18696 board[TOUCHED_W] = ~w;
18697 board[TOUCHED_B] = ~b;
18698 while(*p == ' ') p++;
18702 if(nrCastlingRights) {
18704 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18705 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18706 /* castling indicator present, so default becomes no castlings */
18707 for(i=0; i<nrCastlingRights; i++ ) {
18708 board[CASTLING][i] = NoRights;
18711 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18712 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18713 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18714 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18715 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18717 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18718 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18719 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18721 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18722 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18723 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18724 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18725 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18726 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18729 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18730 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18731 board[CASTLING][2] = whiteKingFile;
18732 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18733 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18734 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18737 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18738 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18739 board[CASTLING][2] = whiteKingFile;
18740 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18741 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18742 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18745 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18746 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18747 board[CASTLING][5] = blackKingFile;
18748 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18749 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18750 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18753 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18754 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18755 board[CASTLING][5] = blackKingFile;
18756 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18757 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18758 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18761 default: /* FRC castlings */
18762 if(c >= 'a') { /* black rights */
18763 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18764 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18765 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18766 if(i == BOARD_RGHT) break;
18767 board[CASTLING][5] = i;
18769 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18770 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18772 board[CASTLING][3] = c;
18774 board[CASTLING][4] = c;
18775 } else { /* white rights */
18776 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18777 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18778 if(board[0][i] == WhiteKing) break;
18779 if(i == BOARD_RGHT) break;
18780 board[CASTLING][2] = i;
18781 c -= AAA - 'a' + 'A';
18782 if(board[0][c] >= WhiteKing) break;
18784 board[CASTLING][0] = c;
18786 board[CASTLING][1] = c;
18790 for(i=0; i<nrCastlingRights; i++)
18791 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18792 if(gameInfo.variant == VariantSChess)
18793 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18794 if(fischer && shuffle) appData.fischerCastling = TRUE;
18795 if (appData.debugMode) {
18796 fprintf(debugFP, "FEN castling rights:");
18797 for(i=0; i<nrCastlingRights; i++)
18798 fprintf(debugFP, " %d", board[CASTLING][i]);
18799 fprintf(debugFP, "\n");
18802 while(*p==' ') p++;
18805 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18807 /* read e.p. field in games that know e.p. capture */
18808 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18809 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18810 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18812 p++; board[EP_STATUS] = EP_NONE;
18814 char c = *p++ - AAA;
18816 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18817 if(*p >= '0' && *p <='9') p++;
18818 board[EP_STATUS] = c;
18823 if(sscanf(p, "%d", &i) == 1) {
18824 FENrulePlies = i; /* 50-move ply counter */
18825 /* (The move number is still ignored) */
18832 EditPositionPasteFEN (char *fen)
18835 Board initial_position;
18837 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18838 DisplayError(_("Bad FEN position in clipboard"), 0);
18841 int savedBlackPlaysFirst = blackPlaysFirst;
18842 EditPositionEvent();
18843 blackPlaysFirst = savedBlackPlaysFirst;
18844 CopyBoard(boards[0], initial_position);
18845 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18846 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18847 DisplayBothClocks();
18848 DrawPosition(FALSE, boards[currentMove]);
18853 static char cseq[12] = "\\ ";
18856 set_cont_sequence (char *new_seq)
18861 // handle bad attempts to set the sequence
18863 return 0; // acceptable error - no debug
18865 len = strlen(new_seq);
18866 ret = (len > 0) && (len < sizeof(cseq));
18868 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18869 else if (appData.debugMode)
18870 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18875 reformat a source message so words don't cross the width boundary. internal
18876 newlines are not removed. returns the wrapped size (no null character unless
18877 included in source message). If dest is NULL, only calculate the size required
18878 for the dest buffer. lp argument indicats line position upon entry, and it's
18879 passed back upon exit.
18882 wrap (char *dest, char *src, int count, int width, int *lp)
18884 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18886 cseq_len = strlen(cseq);
18887 old_line = line = *lp;
18888 ansi = len = clen = 0;
18890 for (i=0; i < count; i++)
18892 if (src[i] == '\033')
18895 // if we hit the width, back up
18896 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18898 // store i & len in case the word is too long
18899 old_i = i, old_len = len;
18901 // find the end of the last word
18902 while (i && src[i] != ' ' && src[i] != '\n')
18908 // word too long? restore i & len before splitting it
18909 if ((old_i-i+clen) >= width)
18916 if (i && src[i-1] == ' ')
18919 if (src[i] != ' ' && src[i] != '\n')
18926 // now append the newline and continuation sequence
18931 strncpy(dest+len, cseq, cseq_len);
18939 dest[len] = src[i];
18943 if (src[i] == '\n')
18948 if (dest && appData.debugMode)
18950 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18951 count, width, line, len, *lp);
18952 show_bytes(debugFP, src, count);
18953 fprintf(debugFP, "\ndest: ");
18954 show_bytes(debugFP, dest, len);
18955 fprintf(debugFP, "\n");
18957 *lp = dest ? line : old_line;
18962 // [HGM] vari: routines for shelving variations
18963 Boolean modeRestore = FALSE;
18966 PushInner (int firstMove, int lastMove)
18968 int i, j, nrMoves = lastMove - firstMove;
18970 // push current tail of game on stack
18971 savedResult[storedGames] = gameInfo.result;
18972 savedDetails[storedGames] = gameInfo.resultDetails;
18973 gameInfo.resultDetails = NULL;
18974 savedFirst[storedGames] = firstMove;
18975 savedLast [storedGames] = lastMove;
18976 savedFramePtr[storedGames] = framePtr;
18977 framePtr -= nrMoves; // reserve space for the boards
18978 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18979 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18980 for(j=0; j<MOVE_LEN; j++)
18981 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18982 for(j=0; j<2*MOVE_LEN; j++)
18983 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18984 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18985 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18986 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18987 pvInfoList[firstMove+i-1].depth = 0;
18988 commentList[framePtr+i] = commentList[firstMove+i];
18989 commentList[firstMove+i] = NULL;
18993 forwardMostMove = firstMove; // truncate game so we can start variation
18997 PushTail (int firstMove, int lastMove)
18999 if(appData.icsActive) { // only in local mode
19000 forwardMostMove = currentMove; // mimic old ICS behavior
19003 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19005 PushInner(firstMove, lastMove);
19006 if(storedGames == 1) GreyRevert(FALSE);
19007 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19011 PopInner (Boolean annotate)
19014 char buf[8000], moveBuf[20];
19016 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19017 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19018 nrMoves = savedLast[storedGames] - currentMove;
19021 if(!WhiteOnMove(currentMove))
19022 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19023 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19024 for(i=currentMove; i<forwardMostMove; i++) {
19026 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19027 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19028 strcat(buf, moveBuf);
19029 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19030 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19034 for(i=1; i<=nrMoves; i++) { // copy last variation back
19035 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19036 for(j=0; j<MOVE_LEN; j++)
19037 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19038 for(j=0; j<2*MOVE_LEN; j++)
19039 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19040 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19041 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19042 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19043 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19044 commentList[currentMove+i] = commentList[framePtr+i];
19045 commentList[framePtr+i] = NULL;
19047 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19048 framePtr = savedFramePtr[storedGames];
19049 gameInfo.result = savedResult[storedGames];
19050 if(gameInfo.resultDetails != NULL) {
19051 free(gameInfo.resultDetails);
19053 gameInfo.resultDetails = savedDetails[storedGames];
19054 forwardMostMove = currentMove + nrMoves;
19058 PopTail (Boolean annotate)
19060 if(appData.icsActive) return FALSE; // only in local mode
19061 if(!storedGames) return FALSE; // sanity
19062 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19064 PopInner(annotate);
19065 if(currentMove < forwardMostMove) ForwardEvent(); else
19066 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19068 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19074 { // remove all shelved variations
19076 for(i=0; i<storedGames; i++) {
19077 if(savedDetails[i])
19078 free(savedDetails[i]);
19079 savedDetails[i] = NULL;
19081 for(i=framePtr; i<MAX_MOVES; i++) {
19082 if(commentList[i]) free(commentList[i]);
19083 commentList[i] = NULL;
19085 framePtr = MAX_MOVES-1;
19090 LoadVariation (int index, char *text)
19091 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19092 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19093 int level = 0, move;
19095 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19096 // first find outermost bracketing variation
19097 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19098 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19099 if(*p == '{') wait = '}'; else
19100 if(*p == '[') wait = ']'; else
19101 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19102 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19104 if(*p == wait) wait = NULLCHAR; // closing ]} found
19107 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19108 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19109 end[1] = NULLCHAR; // clip off comment beyond variation
19110 ToNrEvent(currentMove-1);
19111 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19112 // kludge: use ParsePV() to append variation to game
19113 move = currentMove;
19114 ParsePV(start, TRUE, TRUE);
19115 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19116 ClearPremoveHighlights();
19118 ToNrEvent(currentMove+1);
19121 int transparency[2];
19126 #define BUF_SIZ (2*MSG_SIZ)
19127 char *p, *q, buf[BUF_SIZ];
19128 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19129 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19130 ParseArgsFromString(buf);
19131 ActivateTheme(TRUE); // also redo colors
19135 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19138 q = appData.themeNames;
19139 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19140 if(appData.useBitmaps) {
19141 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19142 Shorten(appData.liteBackTextureFile));
19143 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19144 Shorten(appData.darkBackTextureFile),
19145 appData.liteBackTextureMode,
19146 appData.darkBackTextureMode );
19148 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19150 if(!appData.useBitmaps || transparency[0]) {
19151 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19153 if(!appData.useBitmaps || transparency[1]) {
19154 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19156 if(appData.useBorder) {
19157 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19160 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19162 if(appData.useFont) {
19163 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19164 appData.renderPiecesWithFont,
19165 appData.fontToPieceTable,
19166 Col2Text(9), // appData.fontBackColorWhite
19167 Col2Text(10) ); // appData.fontForeColorBlack
19169 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19170 if(appData.pieceDirectory[0]) {
19171 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19172 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19173 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19175 if(!appData.pieceDirectory[0] || !appData.trueColors)
19176 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19177 Col2Text(0), // whitePieceColor
19178 Col2Text(1) ); // blackPieceColor
19180 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19181 Col2Text(4), // highlightSquareColor
19182 Col2Text(5) ); // premoveHighlightColor
19183 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19184 if(insert != q) insert[-1] = NULLCHAR;
19185 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19188 ActivateTheme(FALSE);