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; // 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 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
992 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
993 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
994 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
995 appData.firstProtocolVersion = PROTOVER;
996 ParseArgsFromString(buf);
998 ReplaceEngine(cps, i);
999 FloatToFront(&appData.recentEngineList, engineLine);
1000 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1004 while(q = strchr(p, SLASH)) p = q+1;
1005 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1006 if(engineDir[0] != NULLCHAR) {
1007 ASSIGN(appData.directory[i], engineDir); p = engineName;
1008 } else if(p != engineName) { // derive directory from engine path, when not given
1010 ASSIGN(appData.directory[i], engineName);
1012 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1013 } else { ASSIGN(appData.directory[i], "."); }
1014 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1016 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1017 snprintf(command, MSG_SIZ, "%s %s", p, params);
1020 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1021 ASSIGN(appData.chessProgram[i], p);
1022 appData.isUCI[i] = isUCI;
1023 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1024 appData.hasOwnBookUCI[i] = hasBook;
1025 if(!nickName[0]) useNick = FALSE;
1026 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1030 q = firstChessProgramNames;
1031 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1032 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1033 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1034 quote, p, quote, appData.directory[i],
1035 useNick ? " -fn \"" : "",
1036 useNick ? nickName : "",
1037 useNick ? "\"" : "",
1038 v1 ? " -firstProtocolVersion 1" : "",
1039 hasBook ? "" : " -fNoOwnBookUCI",
1040 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1041 storeVariant ? " -variant " : "",
1042 storeVariant ? VariantName(gameInfo.variant) : "");
1043 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1044 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1045 if(insert != q) insert[-1] = NULLCHAR;
1046 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1048 FloatToFront(&appData.recentEngineList, buf);
1050 ReplaceEngine(cps, i);
1056 int matched, min, sec;
1058 * Parse timeControl resource
1060 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1061 appData.movesPerSession)) {
1063 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1064 DisplayFatalError(buf, 0, 2);
1068 * Parse searchTime resource
1070 if (*appData.searchTime != NULLCHAR) {
1071 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1073 searchTime = min * 60;
1074 } else if (matched == 2) {
1075 searchTime = min * 60 + sec;
1078 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1079 DisplayFatalError(buf, 0, 2);
1088 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1089 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1091 GetTimeMark(&programStartTime);
1092 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1093 appData.seedBase = random() + (random()<<15);
1094 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1096 ClearProgramStats();
1097 programStats.ok_to_send = 1;
1098 programStats.seen_stat = 0;
1101 * Initialize game list
1107 * Internet chess server status
1109 if (appData.icsActive) {
1110 appData.matchMode = FALSE;
1111 appData.matchGames = 0;
1113 appData.noChessProgram = !appData.zippyPlay;
1115 appData.zippyPlay = FALSE;
1116 appData.zippyTalk = FALSE;
1117 appData.noChessProgram = TRUE;
1119 if (*appData.icsHelper != NULLCHAR) {
1120 appData.useTelnet = TRUE;
1121 appData.telnetProgram = appData.icsHelper;
1124 appData.zippyTalk = appData.zippyPlay = FALSE;
1127 /* [AS] Initialize pv info list [HGM] and game state */
1131 for( i=0; i<=framePtr; i++ ) {
1132 pvInfoList[i].depth = -1;
1133 boards[i][EP_STATUS] = EP_NONE;
1134 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1140 /* [AS] Adjudication threshold */
1141 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1143 InitEngine(&first, 0);
1144 InitEngine(&second, 1);
1147 pairing.which = "pairing"; // pairing engine
1148 pairing.pr = NoProc;
1150 pairing.program = appData.pairingEngine;
1151 pairing.host = "localhost";
1154 if (appData.icsActive) {
1155 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1156 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1157 appData.clockMode = FALSE;
1158 first.sendTime = second.sendTime = 0;
1162 /* Override some settings from environment variables, for backward
1163 compatibility. Unfortunately it's not feasible to have the env
1164 vars just set defaults, at least in xboard. Ugh.
1166 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1171 if (!appData.icsActive) {
1175 /* Check for variants that are supported only in ICS mode,
1176 or not at all. Some that are accepted here nevertheless
1177 have bugs; see comments below.
1179 VariantClass variant = StringToVariant(appData.variant);
1181 case VariantBughouse: /* need four players and two boards */
1182 case VariantKriegspiel: /* need to hide pieces and move details */
1183 /* case VariantFischeRandom: (Fabien: moved below) */
1184 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1185 if( (len >= MSG_SIZ) && appData.debugMode )
1186 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1188 DisplayFatalError(buf, 0, 2);
1191 case VariantUnknown:
1192 case VariantLoadable:
1202 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1203 if( (len >= MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1206 DisplayFatalError(buf, 0, 2);
1209 case VariantNormal: /* definitely works! */
1210 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1211 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1214 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1215 case VariantFairy: /* [HGM] TestLegality definitely off! */
1216 case VariantGothic: /* [HGM] should work */
1217 case VariantCapablanca: /* [HGM] should work */
1218 case VariantCourier: /* [HGM] initial forced moves not implemented */
1219 case VariantShogi: /* [HGM] could still mate with pawn drop */
1220 case VariantChu: /* [HGM] experimental */
1221 case VariantKnightmate: /* [HGM] should work */
1222 case VariantCylinder: /* [HGM] untested */
1223 case VariantFalcon: /* [HGM] untested */
1224 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1225 offboard interposition not understood */
1226 case VariantWildCastle: /* pieces not automatically shuffled */
1227 case VariantNoCastle: /* pieces not automatically shuffled */
1228 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1229 case VariantLosers: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantSuicide: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantGiveaway: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantTwoKings: /* should work */
1236 case VariantAtomic: /* should work except for win condition */
1237 case Variant3Check: /* should work except for win condition */
1238 case VariantShatranj: /* should work except for all win conditions */
1239 case VariantMakruk: /* should work except for draw countdown */
1240 case VariantASEAN : /* should work except for draw countdown */
1241 case VariantBerolina: /* might work if TestLegality is off */
1242 case VariantCapaRandom: /* should work */
1243 case VariantJanus: /* should work */
1244 case VariantSuper: /* experimental */
1245 case VariantGreat: /* experimental, requires legality testing to be off */
1246 case VariantSChess: /* S-Chess, should work */
1247 case VariantGrand: /* should work */
1248 case VariantSpartan: /* should work */
1249 case VariantLion: /* should work */
1250 case VariantChuChess: /* should work */
1258 NextIntegerFromString (char ** str, long * value)
1263 while( *s == ' ' || *s == '\t' ) {
1269 if( *s >= '0' && *s <= '9' ) {
1270 while( *s >= '0' && *s <= '9' ) {
1271 *value = *value * 10 + (*s - '0');
1284 NextTimeControlFromString (char ** str, long * value)
1287 int result = NextIntegerFromString( str, &temp );
1290 *value = temp * 60; /* Minutes */
1291 if( **str == ':' ) {
1293 result = NextIntegerFromString( str, &temp );
1294 *value += temp; /* Seconds */
1302 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1303 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1304 int result = -1, type = 0; long temp, temp2;
1306 if(**str != ':') return -1; // old params remain in force!
1308 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1309 if( NextIntegerFromString( str, &temp ) ) return -1;
1310 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1313 /* time only: incremental or sudden-death time control */
1314 if(**str == '+') { /* increment follows; read it */
1316 if(**str == '!') type = *(*str)++; // Bronstein TC
1317 if(result = NextIntegerFromString( str, &temp2)) return -1;
1318 *inc = temp2 * 1000;
1319 if(**str == '.') { // read fraction of increment
1320 char *start = ++(*str);
1321 if(result = NextIntegerFromString( str, &temp2)) return -1;
1323 while(start++ < *str) temp2 /= 10;
1327 *moves = 0; *tc = temp * 1000; *incType = type;
1331 (*str)++; /* classical time control */
1332 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1344 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1345 { /* [HGM] get time to add from the multi-session time-control string */
1346 int incType, moves=1; /* kludge to force reading of first session */
1347 long time, increment;
1350 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1352 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1353 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1354 if(movenr == -1) return time; /* last move before new session */
1355 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1356 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1357 if(!moves) return increment; /* current session is incremental */
1358 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1359 } while(movenr >= -1); /* try again for next session */
1361 return 0; // no new time quota on this move
1365 ParseTimeControl (char *tc, float ti, int mps)
1369 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1372 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1373 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1374 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1378 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1380 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1383 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1385 snprintf(buf, MSG_SIZ, ":%s", mytc);
1387 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1389 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1394 /* Parse second time control */
1397 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1405 timeControl_2 = tc2 * 1000;
1415 timeControl = tc1 * 1000;
1418 timeIncrement = ti * 1000; /* convert to ms */
1419 movesPerSession = 0;
1422 movesPerSession = mps;
1430 if (appData.debugMode) {
1431 # ifdef __GIT_VERSION
1432 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1434 fprintf(debugFP, "Version: %s\n", programVersion);
1437 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1439 set_cont_sequence(appData.wrapContSeq);
1440 if (appData.matchGames > 0) {
1441 appData.matchMode = TRUE;
1442 } else if (appData.matchMode) {
1443 appData.matchGames = 1;
1445 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1446 appData.matchGames = appData.sameColorGames;
1447 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1448 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1449 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1452 if (appData.noChessProgram || first.protocolVersion == 1) {
1455 /* kludge: allow timeout for initial "feature" commands */
1457 DisplayMessage("", _("Starting chess program"));
1458 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1463 CalculateIndex (int index, int gameNr)
1464 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1466 if(index > 0) return index; // fixed nmber
1467 if(index == 0) return 1;
1468 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1469 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1474 LoadGameOrPosition (int gameNr)
1475 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1476 if (*appData.loadGameFile != NULLCHAR) {
1477 if (!LoadGameFromFile(appData.loadGameFile,
1478 CalculateIndex(appData.loadGameIndex, gameNr),
1479 appData.loadGameFile, FALSE)) {
1480 DisplayFatalError(_("Bad game file"), 0, 1);
1483 } else if (*appData.loadPositionFile != NULLCHAR) {
1484 if (!LoadPositionFromFile(appData.loadPositionFile,
1485 CalculateIndex(appData.loadPositionIndex, gameNr),
1486 appData.loadPositionFile)) {
1487 DisplayFatalError(_("Bad position file"), 0, 1);
1495 ReserveGame (int gameNr, char resChar)
1497 FILE *tf = fopen(appData.tourneyFile, "r+");
1498 char *p, *q, c, buf[MSG_SIZ];
1499 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1500 safeStrCpy(buf, lastMsg, MSG_SIZ);
1501 DisplayMessage(_("Pick new game"), "");
1502 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1503 ParseArgsFromFile(tf);
1504 p = q = appData.results;
1505 if(appData.debugMode) {
1506 char *r = appData.participants;
1507 fprintf(debugFP, "results = '%s'\n", p);
1508 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1509 fprintf(debugFP, "\n");
1511 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1513 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1514 safeStrCpy(q, p, strlen(p) + 2);
1515 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1516 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1517 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1518 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1521 fseek(tf, -(strlen(p)+4), SEEK_END);
1523 if(c != '"') // depending on DOS or Unix line endings we can be one off
1524 fseek(tf, -(strlen(p)+2), SEEK_END);
1525 else fseek(tf, -(strlen(p)+3), SEEK_END);
1526 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1527 DisplayMessage(buf, "");
1528 free(p); appData.results = q;
1529 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1530 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1531 int round = appData.defaultMatchGames * appData.tourneyType;
1532 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1533 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1534 UnloadEngine(&first); // next game belongs to other pairing;
1535 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1537 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1541 MatchEvent (int mode)
1542 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1544 if(matchMode) { // already in match mode: switch it off
1546 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1549 // if(gameMode != BeginningOfGame) {
1550 // DisplayError(_("You can only start a match from the initial position."), 0);
1554 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1555 /* Set up machine vs. machine match */
1557 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1558 if(appData.tourneyFile[0]) {
1560 if(nextGame > appData.matchGames) {
1562 if(strchr(appData.results, '*') == NULL) {
1564 appData.tourneyCycles++;
1565 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1567 NextTourneyGame(-1, &dummy);
1569 if(nextGame <= appData.matchGames) {
1570 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1572 ScheduleDelayedEvent(NextMatchGame, 10000);
1577 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1578 DisplayError(buf, 0);
1579 appData.tourneyFile[0] = 0;
1583 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1584 DisplayFatalError(_("Can't have a match with no chess programs"),
1589 matchGame = roundNr = 1;
1590 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1594 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
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, comboLine ? comboLine : 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)
10933 { // send the stored value of the options
10936 Option *opt = cps->option;
10937 for(i=0; i<cps->nrOptions; i++, opt++) {
10939 switch(opt->type) {
10943 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10944 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10947 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10948 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10951 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
10952 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10958 if(*buf) SendToProgram(buf, cps);
10963 StartChessProgram (ChessProgramState *cps)
10968 if (appData.noChessProgram) return;
10969 cps->initDone = FALSE;
10971 if (strcmp(cps->host, "localhost") == 0) {
10972 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10973 } else if (*appData.remoteShell == NULLCHAR) {
10974 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10976 if (*appData.remoteUser == NULLCHAR) {
10977 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10980 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10981 cps->host, appData.remoteUser, cps->program);
10983 err = StartChildProcess(buf, "", &cps->pr);
10987 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10988 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10989 if(cps != &first) return;
10990 appData.noChessProgram = TRUE;
10993 // DisplayFatalError(buf, err, 1);
10994 // cps->pr = NoProc;
10995 // cps->isr = NULL;
10999 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11000 if (cps->protocolVersion > 1) {
11001 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11002 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11003 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11004 cps->comboCnt = 0; // and values of combo boxes
11006 SendToProgram(buf, cps);
11007 if(cps->reload) ResendOptions(cps);
11009 SendToProgram("xboard\n", cps);
11014 TwoMachinesEventIfReady P((void))
11016 static int curMess = 0;
11017 if (first.lastPing != first.lastPong) {
11018 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11019 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11022 if (second.lastPing != second.lastPong) {
11023 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11024 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11027 DisplayMessage("", ""); curMess = 0;
11028 TwoMachinesEvent();
11032 MakeName (char *template)
11036 static char buf[MSG_SIZ];
11040 clock = time((time_t *)NULL);
11041 tm = localtime(&clock);
11043 while(*p++ = *template++) if(p[-1] == '%') {
11044 switch(*template++) {
11045 case 0: *p = 0; return buf;
11046 case 'Y': i = tm->tm_year+1900; break;
11047 case 'y': i = tm->tm_year-100; break;
11048 case 'M': i = tm->tm_mon+1; break;
11049 case 'd': i = tm->tm_mday; break;
11050 case 'h': i = tm->tm_hour; break;
11051 case 'm': i = tm->tm_min; break;
11052 case 's': i = tm->tm_sec; break;
11055 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11061 CountPlayers (char *p)
11064 while(p = strchr(p, '\n')) p++, n++; // count participants
11069 WriteTourneyFile (char *results, FILE *f)
11070 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11071 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11072 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11073 // create a file with tournament description
11074 fprintf(f, "-participants {%s}\n", appData.participants);
11075 fprintf(f, "-seedBase %d\n", appData.seedBase);
11076 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11077 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11078 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11079 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11080 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11081 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11082 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11083 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11084 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11085 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11086 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11087 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11088 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11089 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11090 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11091 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11092 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11093 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11094 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11095 fprintf(f, "-smpCores %d\n", appData.smpCores);
11097 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11099 fprintf(f, "-mps %d\n", appData.movesPerSession);
11100 fprintf(f, "-tc %s\n", appData.timeControl);
11101 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11103 fprintf(f, "-results \"%s\"\n", results);
11108 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11111 Substitute (char *participants, int expunge)
11113 int i, changed, changes=0, nPlayers=0;
11114 char *p, *q, *r, buf[MSG_SIZ];
11115 if(participants == NULL) return;
11116 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11117 r = p = participants; q = appData.participants;
11118 while(*p && *p == *q) {
11119 if(*p == '\n') r = p+1, nPlayers++;
11122 if(*p) { // difference
11123 while(*p && *p++ != '\n')
11125 while(*q && *q++ != '\n')
11127 changed = nPlayers;
11128 changes = 1 + (strcmp(p, q) != 0);
11130 if(changes == 1) { // a single engine mnemonic was changed
11131 q = r; while(*q) nPlayers += (*q++ == '\n');
11132 p = buf; while(*r && (*p = *r++) != '\n') p++;
11134 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11135 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11136 if(mnemonic[i]) { // The substitute is valid
11138 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11139 flock(fileno(f), LOCK_EX);
11140 ParseArgsFromFile(f);
11141 fseek(f, 0, SEEK_SET);
11142 FREE(appData.participants); appData.participants = participants;
11143 if(expunge) { // erase results of replaced engine
11144 int len = strlen(appData.results), w, b, dummy;
11145 for(i=0; i<len; i++) {
11146 Pairing(i, nPlayers, &w, &b, &dummy);
11147 if((w == changed || b == changed) && appData.results[i] == '*') {
11148 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11153 for(i=0; i<len; i++) {
11154 Pairing(i, nPlayers, &w, &b, &dummy);
11155 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11158 WriteTourneyFile(appData.results, f);
11159 fclose(f); // release lock
11162 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11164 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11165 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11166 free(participants);
11171 CheckPlayers (char *participants)
11174 char buf[MSG_SIZ], *p;
11175 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11176 while(p = strchr(participants, '\n')) {
11178 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11180 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11182 DisplayError(buf, 0);
11186 participants = p + 1;
11192 CreateTourney (char *name)
11195 if(matchMode && strcmp(name, appData.tourneyFile)) {
11196 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11198 if(name[0] == NULLCHAR) {
11199 if(appData.participants[0])
11200 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11203 f = fopen(name, "r");
11204 if(f) { // file exists
11205 ASSIGN(appData.tourneyFile, name);
11206 ParseArgsFromFile(f); // parse it
11208 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11209 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11210 DisplayError(_("Not enough participants"), 0);
11213 if(CheckPlayers(appData.participants)) return 0;
11214 ASSIGN(appData.tourneyFile, name);
11215 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11216 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11219 appData.noChessProgram = FALSE;
11220 appData.clockMode = TRUE;
11226 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11228 char buf[2*MSG_SIZ], *p, *q;
11229 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11230 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11231 skip = !all && group[0]; // if group requested, we start in skip mode
11232 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11233 p = names; q = buf; header = 0;
11234 while(*p && *p != '\n') *q++ = *p++;
11236 if(*p == '\n') p++;
11237 if(buf[0] == '#') {
11238 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11239 depth++; // we must be entering a new group
11240 if(all) continue; // suppress printing group headers when complete list requested
11242 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11244 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11245 if(engineList[i]) free(engineList[i]);
11246 engineList[i] = strdup(buf);
11247 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11248 if(engineMnemonic[i]) free(engineMnemonic[i]);
11249 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11251 sscanf(q + 8, "%s", buf + strlen(buf));
11254 engineMnemonic[i] = strdup(buf);
11257 engineList[i] = engineMnemonic[i] = NULL;
11261 // following implemented as macro to avoid type limitations
11262 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11265 SwapEngines (int n)
11266 { // swap settings for first engine and other engine (so far only some selected options)
11271 SWAP(chessProgram, p)
11273 SWAP(hasOwnBookUCI, h)
11274 SWAP(protocolVersion, h)
11276 SWAP(scoreIsAbsolute, h)
11281 SWAP(engOptions, p)
11282 SWAP(engInitString, p)
11283 SWAP(computerString, p)
11285 SWAP(fenOverride, p)
11287 SWAP(accumulateTC, h)
11294 GetEngineLine (char *s, int n)
11298 extern char *icsNames;
11299 if(!s || !*s) return 0;
11300 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11301 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11302 if(!mnemonic[i]) return 0;
11303 if(n == 11) return 1; // just testing if there was a match
11304 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11305 if(n == 1) SwapEngines(n);
11306 ParseArgsFromString(buf);
11307 if(n == 1) SwapEngines(n);
11308 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11309 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11310 ParseArgsFromString(buf);
11316 SetPlayer (int player, char *p)
11317 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11319 char buf[MSG_SIZ], *engineName;
11320 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11321 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11322 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11324 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11325 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11326 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11327 ParseArgsFromString(buf);
11328 } else { // no engine with this nickname is installed!
11329 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11330 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11331 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11333 DisplayError(buf, 0);
11340 char *recentEngines;
11343 RecentEngineEvent (int nr)
11346 // SwapEngines(1); // bump first to second
11347 // ReplaceEngine(&second, 1); // and load it there
11348 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11349 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11350 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11351 ReplaceEngine(&first, 0);
11352 FloatToFront(&appData.recentEngineList, command[n]);
11357 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11358 { // determine players from game number
11359 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11361 if(appData.tourneyType == 0) {
11362 roundsPerCycle = (nPlayers - 1) | 1;
11363 pairingsPerRound = nPlayers / 2;
11364 } else if(appData.tourneyType > 0) {
11365 roundsPerCycle = nPlayers - appData.tourneyType;
11366 pairingsPerRound = appData.tourneyType;
11368 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11369 gamesPerCycle = gamesPerRound * roundsPerCycle;
11370 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11371 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11372 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11373 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11374 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11375 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11377 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11378 if(appData.roundSync) *syncInterval = gamesPerRound;
11380 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11382 if(appData.tourneyType == 0) {
11383 if(curPairing == (nPlayers-1)/2 ) {
11384 *whitePlayer = curRound;
11385 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11387 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11388 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11389 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11390 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11392 } else if(appData.tourneyType > 1) {
11393 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11394 *whitePlayer = curRound + appData.tourneyType;
11395 } else if(appData.tourneyType > 0) {
11396 *whitePlayer = curPairing;
11397 *blackPlayer = curRound + appData.tourneyType;
11400 // take care of white/black alternation per round.
11401 // For cycles and games this is already taken care of by default, derived from matchGame!
11402 return curRound & 1;
11406 NextTourneyGame (int nr, int *swapColors)
11407 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11409 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11411 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11412 tf = fopen(appData.tourneyFile, "r");
11413 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11414 ParseArgsFromFile(tf); fclose(tf);
11415 InitTimeControls(); // TC might be altered from tourney file
11417 nPlayers = CountPlayers(appData.participants); // count participants
11418 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11419 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11422 p = q = appData.results;
11423 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11424 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11425 DisplayMessage(_("Waiting for other game(s)"),"");
11426 waitingForGame = TRUE;
11427 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11430 waitingForGame = FALSE;
11433 if(appData.tourneyType < 0) {
11434 if(nr>=0 && !pairingReceived) {
11436 if(pairing.pr == NoProc) {
11437 if(!appData.pairingEngine[0]) {
11438 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11441 StartChessProgram(&pairing); // starts the pairing engine
11443 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11444 SendToProgram(buf, &pairing);
11445 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11446 SendToProgram(buf, &pairing);
11447 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11449 pairingReceived = 0; // ... so we continue here
11451 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11452 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11453 matchGame = 1; roundNr = nr / syncInterval + 1;
11456 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11458 // redefine engines, engine dir, etc.
11459 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11460 if(first.pr == NoProc) {
11461 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11462 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11464 if(second.pr == NoProc) {
11466 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11467 SwapEngines(1); // and make that valid for second engine by swapping
11468 InitEngine(&second, 1);
11470 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11471 UpdateLogos(FALSE); // leave display to ModeHiglight()
11477 { // performs game initialization that does not invoke engines, and then tries to start the game
11478 int res, firstWhite, swapColors = 0;
11479 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11480 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
11482 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11483 if(strcmp(buf, currentDebugFile)) { // name has changed
11484 FILE *f = fopen(buf, "w");
11485 if(f) { // if opening the new file failed, just keep using the old one
11486 ASSIGN(currentDebugFile, buf);
11490 if(appData.serverFileName) {
11491 if(serverFP) fclose(serverFP);
11492 serverFP = fopen(appData.serverFileName, "w");
11493 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11494 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11498 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11499 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11500 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11501 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11502 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11503 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11504 Reset(FALSE, first.pr != NoProc);
11505 res = LoadGameOrPosition(matchGame); // setup game
11506 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11507 if(!res) return; // abort when bad game/pos file
11508 if(appData.epd) {// in EPD mode we make sure first engine is to move
11509 firstWhite = !(forwardMostMove & 1);
11510 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11511 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11513 TwoMachinesEvent();
11517 UserAdjudicationEvent (int result)
11519 ChessMove gameResult = GameIsDrawn;
11522 gameResult = WhiteWins;
11524 else if( result < 0 ) {
11525 gameResult = BlackWins;
11528 if( gameMode == TwoMachinesPlay ) {
11529 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11534 // [HGM] save: calculate checksum of game to make games easily identifiable
11536 StringCheckSum (char *s)
11539 if(s==NULL) return 0;
11540 while(*s) i = i*259 + *s++;
11548 for(i=backwardMostMove; i<forwardMostMove; i++) {
11549 sum += pvInfoList[i].depth;
11550 sum += StringCheckSum(parseList[i]);
11551 sum += StringCheckSum(commentList[i]);
11554 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11555 return sum + StringCheckSum(commentList[i]);
11556 } // end of save patch
11559 GameEnds (ChessMove result, char *resultDetails, int whosays)
11561 GameMode nextGameMode;
11563 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11565 if(endingGame) return; /* [HGM] crash: forbid recursion */
11567 if(twoBoards) { // [HGM] dual: switch back to one board
11568 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11569 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11571 if (appData.debugMode) {
11572 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11573 result, resultDetails ? resultDetails : "(null)", whosays);
11576 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11578 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11580 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11581 /* If we are playing on ICS, the server decides when the
11582 game is over, but the engine can offer to draw, claim
11586 if (appData.zippyPlay && first.initDone) {
11587 if (result == GameIsDrawn) {
11588 /* In case draw still needs to be claimed */
11589 SendToICS(ics_prefix);
11590 SendToICS("draw\n");
11591 } else if (StrCaseStr(resultDetails, "resign")) {
11592 SendToICS(ics_prefix);
11593 SendToICS("resign\n");
11597 endingGame = 0; /* [HGM] crash */
11601 /* If we're loading the game from a file, stop */
11602 if (whosays == GE_FILE) {
11603 (void) StopLoadGameTimer();
11607 /* Cancel draw offers */
11608 first.offeredDraw = second.offeredDraw = 0;
11610 /* If this is an ICS game, only ICS can really say it's done;
11611 if not, anyone can. */
11612 isIcsGame = (gameMode == IcsPlayingWhite ||
11613 gameMode == IcsPlayingBlack ||
11614 gameMode == IcsObserving ||
11615 gameMode == IcsExamining);
11617 if (!isIcsGame || whosays == GE_ICS) {
11618 /* OK -- not an ICS game, or ICS said it was done */
11620 if (!isIcsGame && !appData.noChessProgram)
11621 SetUserThinkingEnables();
11623 /* [HGM] if a machine claims the game end we verify this claim */
11624 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11625 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11627 ChessMove trueResult = (ChessMove) -1;
11629 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11630 first.twoMachinesColor[0] :
11631 second.twoMachinesColor[0] ;
11633 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11634 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11635 /* [HGM] verify: engine mate claims accepted if they were flagged */
11636 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11638 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11639 /* [HGM] verify: engine mate claims accepted if they were flagged */
11640 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11642 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11643 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11646 // now verify win claims, but not in drop games, as we don't understand those yet
11647 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11648 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11649 (result == WhiteWins && claimer == 'w' ||
11650 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11651 if (appData.debugMode) {
11652 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11653 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11655 if(result != trueResult) {
11656 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11657 result = claimer == 'w' ? BlackWins : WhiteWins;
11658 resultDetails = buf;
11661 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11662 && (forwardMostMove <= backwardMostMove ||
11663 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11664 (claimer=='b')==(forwardMostMove&1))
11666 /* [HGM] verify: draws that were not flagged are false claims */
11667 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11668 result = claimer == 'w' ? BlackWins : WhiteWins;
11669 resultDetails = buf;
11671 /* (Claiming a loss is accepted no questions asked!) */
11672 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11673 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11674 result = GameUnfinished;
11675 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11677 /* [HGM] bare: don't allow bare King to win */
11678 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11679 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11680 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11681 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11682 && result != GameIsDrawn)
11683 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11684 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11685 int p = (int)boards[forwardMostMove][i][j] - color;
11686 if(p >= 0 && p <= (int)WhiteKing) k++;
11687 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11689 if (appData.debugMode) {
11690 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11691 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11693 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11694 result = GameIsDrawn;
11695 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11696 resultDetails = buf;
11702 if(serverMoves != NULL && !loadFlag) { char c = '=';
11703 if(result==WhiteWins) c = '+';
11704 if(result==BlackWins) c = '-';
11705 if(resultDetails != NULL)
11706 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11708 if (resultDetails != NULL) {
11709 gameInfo.result = result;
11710 gameInfo.resultDetails = StrSave(resultDetails);
11712 /* display last move only if game was not loaded from file */
11713 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11714 DisplayMove(currentMove - 1);
11716 if (forwardMostMove != 0) {
11717 if (gameMode != PlayFromGameFile && gameMode != EditGame
11718 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11720 if (*appData.saveGameFile != NULLCHAR) {
11721 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11722 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11724 SaveGameToFile(appData.saveGameFile, TRUE);
11725 } else if (appData.autoSaveGames) {
11726 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11728 if (*appData.savePositionFile != NULLCHAR) {
11729 SavePositionToFile(appData.savePositionFile);
11731 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11735 /* Tell program how game ended in case it is learning */
11736 /* [HGM] Moved this to after saving the PGN, just in case */
11737 /* engine died and we got here through time loss. In that */
11738 /* case we will get a fatal error writing the pipe, which */
11739 /* would otherwise lose us the PGN. */
11740 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11741 /* output during GameEnds should never be fatal anymore */
11742 if (gameMode == MachinePlaysWhite ||
11743 gameMode == MachinePlaysBlack ||
11744 gameMode == TwoMachinesPlay ||
11745 gameMode == IcsPlayingWhite ||
11746 gameMode == IcsPlayingBlack ||
11747 gameMode == BeginningOfGame) {
11749 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11751 if (first.pr != NoProc) {
11752 SendToProgram(buf, &first);
11754 if (second.pr != NoProc &&
11755 gameMode == TwoMachinesPlay) {
11756 SendToProgram(buf, &second);
11761 if (appData.icsActive) {
11762 if (appData.quietPlay &&
11763 (gameMode == IcsPlayingWhite ||
11764 gameMode == IcsPlayingBlack)) {
11765 SendToICS(ics_prefix);
11766 SendToICS("set shout 1\n");
11768 nextGameMode = IcsIdle;
11769 ics_user_moved = FALSE;
11770 /* clean up premove. It's ugly when the game has ended and the
11771 * premove highlights are still on the board.
11774 gotPremove = FALSE;
11775 ClearPremoveHighlights();
11776 DrawPosition(FALSE, boards[currentMove]);
11778 if (whosays == GE_ICS) {
11781 if (gameMode == IcsPlayingWhite)
11783 else if(gameMode == IcsPlayingBlack)
11784 PlayIcsLossSound();
11787 if (gameMode == IcsPlayingBlack)
11789 else if(gameMode == IcsPlayingWhite)
11790 PlayIcsLossSound();
11793 PlayIcsDrawSound();
11796 PlayIcsUnfinishedSound();
11799 if(appData.quitNext) { ExitEvent(0); return; }
11800 } else if (gameMode == EditGame ||
11801 gameMode == PlayFromGameFile ||
11802 gameMode == AnalyzeMode ||
11803 gameMode == AnalyzeFile) {
11804 nextGameMode = gameMode;
11806 nextGameMode = EndOfGame;
11811 nextGameMode = gameMode;
11814 if (appData.noChessProgram) {
11815 gameMode = nextGameMode;
11817 endingGame = 0; /* [HGM] crash */
11822 /* Put first chess program into idle state */
11823 if (first.pr != NoProc &&
11824 (gameMode == MachinePlaysWhite ||
11825 gameMode == MachinePlaysBlack ||
11826 gameMode == TwoMachinesPlay ||
11827 gameMode == IcsPlayingWhite ||
11828 gameMode == IcsPlayingBlack ||
11829 gameMode == BeginningOfGame)) {
11830 SendToProgram("force\n", &first);
11831 if (first.usePing) {
11833 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11834 SendToProgram(buf, &first);
11837 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11838 /* Kill off first chess program */
11839 if (first.isr != NULL)
11840 RemoveInputSource(first.isr);
11843 if (first.pr != NoProc) {
11845 DoSleep( appData.delayBeforeQuit );
11846 SendToProgram("quit\n", &first);
11847 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11848 first.reload = TRUE;
11852 if (second.reuse) {
11853 /* Put second chess program into idle state */
11854 if (second.pr != NoProc &&
11855 gameMode == TwoMachinesPlay) {
11856 SendToProgram("force\n", &second);
11857 if (second.usePing) {
11859 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11860 SendToProgram(buf, &second);
11863 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11864 /* Kill off second chess program */
11865 if (second.isr != NULL)
11866 RemoveInputSource(second.isr);
11869 if (second.pr != NoProc) {
11870 DoSleep( appData.delayBeforeQuit );
11871 SendToProgram("quit\n", &second);
11872 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11873 second.reload = TRUE;
11875 second.pr = NoProc;
11878 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11879 char resChar = '=';
11883 if (first.twoMachinesColor[0] == 'w') {
11886 second.matchWins++;
11891 if (first.twoMachinesColor[0] == 'b') {
11894 second.matchWins++;
11897 case GameUnfinished:
11903 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11904 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11905 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11906 ReserveGame(nextGame, resChar); // sets nextGame
11907 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11908 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11909 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11911 if (nextGame <= appData.matchGames && !abortMatch) {
11912 gameMode = nextGameMode;
11913 matchGame = nextGame; // this will be overruled in tourney mode!
11914 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11915 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11916 endingGame = 0; /* [HGM] crash */
11919 gameMode = nextGameMode;
11921 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11922 OutputKibitz(2, buf);
11923 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11924 OutputKibitz(2, buf);
11925 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11926 if(second.matchWins) OutputKibitz(2, buf);
11927 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11928 OutputKibitz(2, buf);
11930 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11931 first.tidy, second.tidy,
11932 first.matchWins, second.matchWins,
11933 appData.matchGames - (first.matchWins + second.matchWins));
11934 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11935 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11936 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11937 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11938 first.twoMachinesColor = "black\n";
11939 second.twoMachinesColor = "white\n";
11941 first.twoMachinesColor = "white\n";
11942 second.twoMachinesColor = "black\n";
11946 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11947 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11949 gameMode = nextGameMode;
11951 endingGame = 0; /* [HGM] crash */
11952 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11953 if(matchMode == TRUE) { // match through command line: exit with or without popup
11955 ToNrEvent(forwardMostMove);
11956 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11958 } else DisplayFatalError(buf, 0, 0);
11959 } else { // match through menu; just stop, with or without popup
11960 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11963 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11964 } else DisplayNote(buf);
11966 if(ranking) free(ranking);
11970 /* Assumes program was just initialized (initString sent).
11971 Leaves program in force mode. */
11973 FeedMovesToProgram (ChessProgramState *cps, int upto)
11977 if (appData.debugMode)
11978 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11979 startedFromSetupPosition ? "position and " : "",
11980 backwardMostMove, upto, cps->which);
11981 if(currentlyInitializedVariant != gameInfo.variant) {
11983 // [HGM] variantswitch: make engine aware of new variant
11984 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11985 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11986 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11987 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11988 SendToProgram(buf, cps);
11989 currentlyInitializedVariant = gameInfo.variant;
11991 SendToProgram("force\n", cps);
11992 if (startedFromSetupPosition) {
11993 SendBoard(cps, backwardMostMove);
11994 if (appData.debugMode) {
11995 fprintf(debugFP, "feedMoves\n");
11998 for (i = backwardMostMove; i < upto; i++) {
11999 SendMoveToProgram(i, cps);
12005 ResurrectChessProgram ()
12007 /* The chess program may have exited.
12008 If so, restart it and feed it all the moves made so far. */
12009 static int doInit = 0;
12011 if (appData.noChessProgram) return 1;
12013 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12014 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12015 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12016 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12018 if (first.pr != NoProc) return 1;
12019 StartChessProgram(&first);
12021 InitChessProgram(&first, FALSE);
12022 FeedMovesToProgram(&first, currentMove);
12024 if (!first.sendTime) {
12025 /* can't tell gnuchess what its clock should read,
12026 so we bow to its notion. */
12028 timeRemaining[0][currentMove] = whiteTimeRemaining;
12029 timeRemaining[1][currentMove] = blackTimeRemaining;
12032 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12033 appData.icsEngineAnalyze) && first.analysisSupport) {
12034 SendToProgram("analyze\n", &first);
12035 first.analyzing = TRUE;
12041 * Button procedures
12044 Reset (int redraw, int init)
12048 if (appData.debugMode) {
12049 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12050 redraw, init, gameMode);
12052 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12053 deadRanks = 0; // assume entire board is used
12054 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12055 CleanupTail(); // [HGM] vari: delete any stored variations
12056 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12057 pausing = pauseExamInvalid = FALSE;
12058 startedFromSetupPosition = blackPlaysFirst = FALSE;
12060 whiteFlag = blackFlag = FALSE;
12061 userOfferedDraw = FALSE;
12062 hintRequested = bookRequested = FALSE;
12063 first.maybeThinking = FALSE;
12064 second.maybeThinking = FALSE;
12065 first.bookSuspend = FALSE; // [HGM] book
12066 second.bookSuspend = FALSE;
12067 thinkOutput[0] = NULLCHAR;
12068 lastHint[0] = NULLCHAR;
12069 ClearGameInfo(&gameInfo);
12070 gameInfo.variant = StringToVariant(appData.variant);
12071 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12072 gameInfo.variant = VariantUnknown;
12073 strncpy(engineVariant, appData.variant, MSG_SIZ);
12075 ics_user_moved = ics_clock_paused = FALSE;
12076 ics_getting_history = H_FALSE;
12078 white_holding[0] = black_holding[0] = NULLCHAR;
12079 ClearProgramStats();
12080 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12084 flipView = appData.flipView;
12085 ClearPremoveHighlights();
12086 gotPremove = FALSE;
12087 alarmSounded = FALSE;
12088 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12090 GameEnds(EndOfFile, NULL, GE_PLAYER);
12091 if(appData.serverMovesName != NULL) {
12092 /* [HGM] prepare to make moves file for broadcasting */
12093 clock_t t = clock();
12094 if(serverMoves != NULL) fclose(serverMoves);
12095 serverMoves = fopen(appData.serverMovesName, "r");
12096 if(serverMoves != NULL) {
12097 fclose(serverMoves);
12098 /* delay 15 sec before overwriting, so all clients can see end */
12099 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12101 serverMoves = fopen(appData.serverMovesName, "w");
12105 gameMode = BeginningOfGame;
12107 if(appData.icsActive) gameInfo.variant = VariantNormal;
12108 currentMove = forwardMostMove = backwardMostMove = 0;
12109 MarkTargetSquares(1);
12110 InitPosition(redraw);
12111 for (i = 0; i < MAX_MOVES; i++) {
12112 if (commentList[i] != NULL) {
12113 free(commentList[i]);
12114 commentList[i] = NULL;
12118 timeRemaining[0][0] = whiteTimeRemaining;
12119 timeRemaining[1][0] = blackTimeRemaining;
12121 if (first.pr == NoProc) {
12122 StartChessProgram(&first);
12125 InitChessProgram(&first, startedFromSetupPosition);
12128 DisplayMessage("", "");
12129 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12130 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12131 ClearMap(); // [HGM] exclude: invalidate map
12135 AutoPlayGameLoop ()
12138 if (!AutoPlayOneMove())
12140 if (matchMode || appData.timeDelay == 0)
12142 if (appData.timeDelay < 0)
12144 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12152 ReloadGame(1); // next game
12158 int fromX, fromY, toX, toY;
12160 if (appData.debugMode) {
12161 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12164 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12167 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12168 pvInfoList[currentMove].depth = programStats.depth;
12169 pvInfoList[currentMove].score = programStats.score;
12170 pvInfoList[currentMove].time = 0;
12171 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12172 else { // append analysis of final position as comment
12174 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12175 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12177 programStats.depth = 0;
12180 if (currentMove >= forwardMostMove) {
12181 if(gameMode == AnalyzeFile) {
12182 if(appData.loadGameIndex == -1) {
12183 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12184 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12186 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12189 // gameMode = EndOfGame;
12190 // ModeHighlight();
12192 /* [AS] Clear current move marker at the end of a game */
12193 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12198 toX = moveList[currentMove][2] - AAA;
12199 toY = moveList[currentMove][3] - ONE;
12201 if (moveList[currentMove][1] == '@') {
12202 if (appData.highlightLastMove) {
12203 SetHighlights(-1, -1, toX, toY);
12206 fromX = moveList[currentMove][0] - AAA;
12207 fromY = moveList[currentMove][1] - ONE;
12209 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12211 if(moveList[currentMove][4] == ';') { // multi-leg
12212 killX = moveList[currentMove][5] - AAA;
12213 killY = moveList[currentMove][6] - ONE;
12215 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12216 killX = killY = -1;
12218 if (appData.highlightLastMove) {
12219 SetHighlights(fromX, fromY, toX, toY);
12222 DisplayMove(currentMove);
12223 SendMoveToProgram(currentMove++, &first);
12224 DisplayBothClocks();
12225 DrawPosition(FALSE, boards[currentMove]);
12226 // [HGM] PV info: always display, routine tests if empty
12227 DisplayComment(currentMove - 1, commentList[currentMove]);
12233 LoadGameOneMove (ChessMove readAhead)
12235 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12236 char promoChar = NULLCHAR;
12237 ChessMove moveType;
12238 char move[MSG_SIZ];
12241 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12242 gameMode != AnalyzeMode && gameMode != Training) {
12247 yyboardindex = forwardMostMove;
12248 if (readAhead != EndOfFile) {
12249 moveType = readAhead;
12251 if (gameFileFP == NULL)
12253 moveType = (ChessMove) Myylex();
12257 switch (moveType) {
12259 if (appData.debugMode)
12260 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12263 /* append the comment but don't display it */
12264 AppendComment(currentMove, p, FALSE);
12267 case WhiteCapturesEnPassant:
12268 case BlackCapturesEnPassant:
12269 case WhitePromotion:
12270 case BlackPromotion:
12271 case WhiteNonPromotion:
12272 case BlackNonPromotion:
12275 case WhiteKingSideCastle:
12276 case WhiteQueenSideCastle:
12277 case BlackKingSideCastle:
12278 case BlackQueenSideCastle:
12279 case WhiteKingSideCastleWild:
12280 case WhiteQueenSideCastleWild:
12281 case BlackKingSideCastleWild:
12282 case BlackQueenSideCastleWild:
12284 case WhiteHSideCastleFR:
12285 case WhiteASideCastleFR:
12286 case BlackHSideCastleFR:
12287 case BlackASideCastleFR:
12289 if (appData.debugMode)
12290 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12291 fromX = currentMoveString[0] - AAA;
12292 fromY = currentMoveString[1] - ONE;
12293 toX = currentMoveString[2] - AAA;
12294 toY = currentMoveString[3] - ONE;
12295 promoChar = currentMoveString[4];
12296 if(promoChar == ';') promoChar = currentMoveString[7];
12301 if (appData.debugMode)
12302 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12303 fromX = moveType == WhiteDrop ?
12304 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12305 (int) CharToPiece(ToLower(currentMoveString[0]));
12307 toX = currentMoveString[2] - AAA;
12308 toY = currentMoveString[3] - ONE;
12314 case GameUnfinished:
12315 if (appData.debugMode)
12316 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12317 p = strchr(yy_text, '{');
12318 if (p == NULL) p = strchr(yy_text, '(');
12321 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12323 q = strchr(p, *p == '{' ? '}' : ')');
12324 if (q != NULL) *q = NULLCHAR;
12327 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12328 GameEnds(moveType, p, GE_FILE);
12330 if (cmailMsgLoaded) {
12332 flipView = WhiteOnMove(currentMove);
12333 if (moveType == GameUnfinished) flipView = !flipView;
12334 if (appData.debugMode)
12335 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12340 if (appData.debugMode)
12341 fprintf(debugFP, "Parser hit end of file\n");
12342 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12348 if (WhiteOnMove(currentMove)) {
12349 GameEnds(BlackWins, "Black mates", GE_FILE);
12351 GameEnds(WhiteWins, "White mates", GE_FILE);
12355 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12361 case MoveNumberOne:
12362 if (lastLoadGameStart == GNUChessGame) {
12363 /* GNUChessGames have numbers, but they aren't move numbers */
12364 if (appData.debugMode)
12365 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12366 yy_text, (int) moveType);
12367 return LoadGameOneMove(EndOfFile); /* tail recursion */
12369 /* else fall thru */
12374 /* Reached start of next game in file */
12375 if (appData.debugMode)
12376 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12377 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12383 if (WhiteOnMove(currentMove)) {
12384 GameEnds(BlackWins, "Black mates", GE_FILE);
12386 GameEnds(WhiteWins, "White mates", GE_FILE);
12390 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12396 case PositionDiagram: /* should not happen; ignore */
12397 case ElapsedTime: /* ignore */
12398 case NAG: /* ignore */
12399 if (appData.debugMode)
12400 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12401 yy_text, (int) moveType);
12402 return LoadGameOneMove(EndOfFile); /* tail recursion */
12405 if (appData.testLegality) {
12406 if (appData.debugMode)
12407 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12408 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12409 (forwardMostMove / 2) + 1,
12410 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12411 DisplayError(move, 0);
12414 if (appData.debugMode)
12415 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12416 yy_text, currentMoveString);
12417 if(currentMoveString[1] == '@') {
12418 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12421 fromX = currentMoveString[0] - AAA;
12422 fromY = currentMoveString[1] - ONE;
12424 toX = currentMoveString[2] - AAA;
12425 toY = currentMoveString[3] - ONE;
12426 promoChar = currentMoveString[4];
12430 case AmbiguousMove:
12431 if (appData.debugMode)
12432 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12433 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12434 (forwardMostMove / 2) + 1,
12435 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12436 DisplayError(move, 0);
12441 case ImpossibleMove:
12442 if (appData.debugMode)
12443 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12444 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12445 (forwardMostMove / 2) + 1,
12446 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12447 DisplayError(move, 0);
12453 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12454 DrawPosition(FALSE, boards[currentMove]);
12455 DisplayBothClocks();
12456 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12457 DisplayComment(currentMove - 1, commentList[currentMove]);
12459 (void) StopLoadGameTimer();
12461 cmailOldMove = forwardMostMove;
12464 /* currentMoveString is set as a side-effect of yylex */
12466 thinkOutput[0] = NULLCHAR;
12467 MakeMove(fromX, fromY, toX, toY, promoChar);
12468 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12469 currentMove = forwardMostMove;
12474 /* Load the nth game from the given file */
12476 LoadGameFromFile (char *filename, int n, char *title, int useList)
12481 if (strcmp(filename, "-") == 0) {
12485 f = fopen(filename, "rb");
12487 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12488 DisplayError(buf, errno);
12492 if (fseek(f, 0, 0) == -1) {
12493 /* f is not seekable; probably a pipe */
12496 if (useList && n == 0) {
12497 int error = GameListBuild(f);
12499 DisplayError(_("Cannot build game list"), error);
12500 } else if (!ListEmpty(&gameList) &&
12501 ((ListGame *) gameList.tailPred)->number > 1) {
12502 GameListPopUp(f, title);
12509 return LoadGame(f, n, title, FALSE);
12514 MakeRegisteredMove ()
12516 int fromX, fromY, toX, toY;
12518 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12519 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12522 if (appData.debugMode)
12523 fprintf(debugFP, "Restoring %s for game %d\n",
12524 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12526 thinkOutput[0] = NULLCHAR;
12527 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12528 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12529 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12530 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12531 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12532 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12533 MakeMove(fromX, fromY, toX, toY, promoChar);
12534 ShowMove(fromX, fromY, toX, toY);
12536 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12543 if (WhiteOnMove(currentMove)) {
12544 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12546 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12551 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12558 if (WhiteOnMove(currentMove)) {
12559 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12561 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12566 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12577 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12579 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12583 if (gameNumber > nCmailGames) {
12584 DisplayError(_("No more games in this message"), 0);
12587 if (f == lastLoadGameFP) {
12588 int offset = gameNumber - lastLoadGameNumber;
12590 cmailMsg[0] = NULLCHAR;
12591 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12592 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12593 nCmailMovesRegistered--;
12595 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12596 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12597 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12600 if (! RegisterMove()) return FALSE;
12604 retVal = LoadGame(f, gameNumber, title, useList);
12606 /* Make move registered during previous look at this game, if any */
12607 MakeRegisteredMove();
12609 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12610 commentList[currentMove]
12611 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12612 DisplayComment(currentMove - 1, commentList[currentMove]);
12618 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12620 ReloadGame (int offset)
12622 int gameNumber = lastLoadGameNumber + offset;
12623 if (lastLoadGameFP == NULL) {
12624 DisplayError(_("No game has been loaded yet"), 0);
12627 if (gameNumber <= 0) {
12628 DisplayError(_("Can't back up any further"), 0);
12631 if (cmailMsgLoaded) {
12632 return CmailLoadGame(lastLoadGameFP, gameNumber,
12633 lastLoadGameTitle, lastLoadGameUseList);
12635 return LoadGame(lastLoadGameFP, gameNumber,
12636 lastLoadGameTitle, lastLoadGameUseList);
12640 int keys[EmptySquare+1];
12643 PositionMatches (Board b1, Board b2)
12646 switch(appData.searchMode) {
12647 case 1: return CompareWithRights(b1, b2);
12649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12650 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12654 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12655 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12656 sum += keys[b1[r][f]] - keys[b2[r][f]];
12660 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12661 sum += keys[b1[r][f]] - keys[b2[r][f]];
12673 int pieceList[256], quickBoard[256];
12674 ChessSquare pieceType[256] = { EmptySquare };
12675 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12676 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12677 int soughtTotal, turn;
12678 Boolean epOK, flipSearch;
12681 unsigned char piece, to;
12684 #define DSIZE (250000)
12686 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12687 Move *moveDatabase = initialSpace;
12688 unsigned int movePtr, dataSize = DSIZE;
12691 MakePieceList (Board board, int *counts)
12693 int r, f, n=Q_PROMO, total=0;
12694 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12695 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12696 int sq = f + (r<<4);
12697 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12698 quickBoard[sq] = ++n;
12700 pieceType[n] = board[r][f];
12701 counts[board[r][f]]++;
12702 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12703 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12707 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12712 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12714 int sq = fromX + (fromY<<4);
12715 int piece = quickBoard[sq], rook;
12716 quickBoard[sq] = 0;
12717 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12718 if(piece == pieceList[1] && fromY == toY) {
12719 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12720 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12721 moveDatabase[movePtr++].piece = Q_WCASTL;
12722 quickBoard[sq] = piece;
12723 piece = quickBoard[from]; quickBoard[from] = 0;
12724 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12725 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12726 quickBoard[sq] = 0; // remove Rook
12727 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12728 moveDatabase[movePtr++].piece = Q_WCASTL;
12729 quickBoard[sq] = pieceList[1]; // put King
12731 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12734 if(piece == pieceList[2] && fromY == toY) {
12735 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12736 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12737 moveDatabase[movePtr++].piece = Q_BCASTL;
12738 quickBoard[sq] = piece;
12739 piece = quickBoard[from]; quickBoard[from] = 0;
12740 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12741 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12742 quickBoard[sq] = 0; // remove Rook
12743 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12744 moveDatabase[movePtr++].piece = Q_BCASTL;
12745 quickBoard[sq] = pieceList[2]; // put King
12747 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12750 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12751 quickBoard[(fromY<<4)+toX] = 0;
12752 moveDatabase[movePtr].piece = Q_EP;
12753 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12754 moveDatabase[movePtr].to = sq;
12756 if(promoPiece != pieceType[piece]) {
12757 moveDatabase[movePtr++].piece = Q_PROMO;
12758 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12760 moveDatabase[movePtr].piece = piece;
12761 quickBoard[sq] = piece;
12766 PackGame (Board board)
12768 Move *newSpace = NULL;
12769 moveDatabase[movePtr].piece = 0; // terminate previous game
12770 if(movePtr > dataSize) {
12771 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12772 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12773 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12776 Move *p = moveDatabase, *q = newSpace;
12777 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12778 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12779 moveDatabase = newSpace;
12780 } else { // calloc failed, we must be out of memory. Too bad...
12781 dataSize = 0; // prevent calloc events for all subsequent games
12782 return 0; // and signal this one isn't cached
12786 MakePieceList(board, counts);
12791 QuickCompare (Board board, int *minCounts, int *maxCounts)
12792 { // compare according to search mode
12794 switch(appData.searchMode)
12796 case 1: // exact position match
12797 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12798 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12799 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12802 case 2: // can have extra material on empty squares
12803 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12804 if(board[r][f] == EmptySquare) continue;
12805 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12808 case 3: // material with exact Pawn structure
12809 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12810 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12811 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12812 } // fall through to material comparison
12813 case 4: // exact material
12814 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12816 case 6: // material range with given imbalance
12817 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12818 // fall through to range comparison
12819 case 5: // material range
12820 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12826 QuickScan (Board board, Move *move)
12827 { // reconstruct game,and compare all positions in it
12828 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12830 int piece = move->piece;
12831 int to = move->to, from = pieceList[piece];
12832 if(found < 0) { // if already found just scan to game end for final piece count
12833 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12834 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12835 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12836 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12838 static int lastCounts[EmptySquare+1];
12840 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12841 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12842 } else stretch = 0;
12843 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12844 if(found >= 0 && !appData.minPieces) return found;
12846 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12847 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12848 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12849 piece = (++move)->piece;
12850 from = pieceList[piece];
12851 counts[pieceType[piece]]--;
12852 pieceType[piece] = (ChessSquare) move->to;
12853 counts[move->to]++;
12854 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12855 counts[pieceType[quickBoard[to]]]--;
12856 quickBoard[to] = 0; total--;
12859 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12860 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12861 from = pieceList[piece]; // so this must be King
12862 quickBoard[from] = 0;
12863 pieceList[piece] = to;
12864 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12865 quickBoard[from] = 0; // rook
12866 quickBoard[to] = piece;
12867 to = move->to; piece = move->piece;
12871 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12872 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12873 quickBoard[from] = 0;
12875 quickBoard[to] = piece;
12876 pieceList[piece] = to;
12886 flipSearch = FALSE;
12887 CopyBoard(soughtBoard, boards[currentMove]);
12888 soughtTotal = MakePieceList(soughtBoard, maxSought);
12889 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12890 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12891 CopyBoard(reverseBoard, boards[currentMove]);
12892 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12893 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12894 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12895 reverseBoard[r][f] = piece;
12897 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12898 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12899 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12900 || (boards[currentMove][CASTLING][2] == NoRights ||
12901 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12902 && (boards[currentMove][CASTLING][5] == NoRights ||
12903 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12906 CopyBoard(flipBoard, soughtBoard);
12907 CopyBoard(rotateBoard, reverseBoard);
12908 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12909 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12910 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12913 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12914 if(appData.searchMode >= 5) {
12915 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12916 MakePieceList(soughtBoard, minSought);
12917 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12919 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12920 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12923 GameInfo dummyInfo;
12924 static int creatingBook;
12927 GameContainsPosition (FILE *f, ListGame *lg)
12929 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12930 int fromX, fromY, toX, toY;
12932 static int initDone=FALSE;
12934 // weed out games based on numerical tag comparison
12935 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12936 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12937 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12938 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12940 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12943 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12944 else CopyBoard(boards[scratch], initialPosition); // default start position
12947 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12948 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12951 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12952 fseek(f, lg->offset, 0);
12955 yyboardindex = scratch;
12956 quickFlag = plyNr+1;
12961 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12967 if(plyNr) return -1; // after we have seen moves, this is for new game
12970 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12971 case ImpossibleMove:
12972 case WhiteWins: // game ends here with these four
12975 case GameUnfinished:
12979 if(appData.testLegality) return -1;
12980 case WhiteCapturesEnPassant:
12981 case BlackCapturesEnPassant:
12982 case WhitePromotion:
12983 case BlackPromotion:
12984 case WhiteNonPromotion:
12985 case BlackNonPromotion:
12988 case WhiteKingSideCastle:
12989 case WhiteQueenSideCastle:
12990 case BlackKingSideCastle:
12991 case BlackQueenSideCastle:
12992 case WhiteKingSideCastleWild:
12993 case WhiteQueenSideCastleWild:
12994 case BlackKingSideCastleWild:
12995 case BlackQueenSideCastleWild:
12996 case WhiteHSideCastleFR:
12997 case WhiteASideCastleFR:
12998 case BlackHSideCastleFR:
12999 case BlackASideCastleFR:
13000 fromX = currentMoveString[0] - AAA;
13001 fromY = currentMoveString[1] - ONE;
13002 toX = currentMoveString[2] - AAA;
13003 toY = currentMoveString[3] - ONE;
13004 promoChar = currentMoveString[4];
13008 fromX = next == WhiteDrop ?
13009 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13010 (int) CharToPiece(ToLower(currentMoveString[0]));
13012 toX = currentMoveString[2] - AAA;
13013 toY = currentMoveString[3] - ONE;
13017 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13019 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13020 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13021 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13022 if(appData.findMirror) {
13023 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13024 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13029 /* Load the nth game from open file f */
13031 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13035 int gn = gameNumber;
13036 ListGame *lg = NULL;
13037 int numPGNTags = 0, i;
13039 GameMode oldGameMode;
13040 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13041 char oldName[MSG_SIZ];
13043 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13045 if (appData.debugMode)
13046 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13048 if (gameMode == Training )
13049 SetTrainingModeOff();
13051 oldGameMode = gameMode;
13052 if (gameMode != BeginningOfGame) {
13053 Reset(FALSE, TRUE);
13055 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13058 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13059 fclose(lastLoadGameFP);
13063 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13066 fseek(f, lg->offset, 0);
13067 GameListHighlight(gameNumber);
13068 pos = lg->position;
13072 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13073 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13075 DisplayError(_("Game number out of range"), 0);
13080 if (fseek(f, 0, 0) == -1) {
13081 if (f == lastLoadGameFP ?
13082 gameNumber == lastLoadGameNumber + 1 :
13086 DisplayError(_("Can't seek on game file"), 0);
13091 lastLoadGameFP = f;
13092 lastLoadGameNumber = gameNumber;
13093 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13094 lastLoadGameUseList = useList;
13098 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13099 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13100 lg->gameInfo.black);
13102 } else if (*title != NULLCHAR) {
13103 if (gameNumber > 1) {
13104 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13107 DisplayTitle(title);
13111 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13112 gameMode = PlayFromGameFile;
13116 currentMove = forwardMostMove = backwardMostMove = 0;
13117 CopyBoard(boards[0], initialPosition);
13121 * Skip the first gn-1 games in the file.
13122 * Also skip over anything that precedes an identifiable
13123 * start of game marker, to avoid being confused by
13124 * garbage at the start of the file. Currently
13125 * recognized start of game markers are the move number "1",
13126 * the pattern "gnuchess .* game", the pattern
13127 * "^[#;%] [^ ]* game file", and a PGN tag block.
13128 * A game that starts with one of the latter two patterns
13129 * will also have a move number 1, possibly
13130 * following a position diagram.
13131 * 5-4-02: Let's try being more lenient and allowing a game to
13132 * start with an unnumbered move. Does that break anything?
13134 cm = lastLoadGameStart = EndOfFile;
13136 yyboardindex = forwardMostMove;
13137 cm = (ChessMove) Myylex();
13140 if (cmailMsgLoaded) {
13141 nCmailGames = CMAIL_MAX_GAMES - gn;
13144 DisplayError(_("Game not found in file"), 0);
13151 lastLoadGameStart = cm;
13154 case MoveNumberOne:
13155 switch (lastLoadGameStart) {
13160 case MoveNumberOne:
13162 gn--; /* count this game */
13163 lastLoadGameStart = cm;
13172 switch (lastLoadGameStart) {
13175 case MoveNumberOne:
13177 gn--; /* count this game */
13178 lastLoadGameStart = cm;
13181 lastLoadGameStart = cm; /* game counted already */
13189 yyboardindex = forwardMostMove;
13190 cm = (ChessMove) Myylex();
13191 } while (cm == PGNTag || cm == Comment);
13198 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13199 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13200 != CMAIL_OLD_RESULT) {
13202 cmailResult[ CMAIL_MAX_GAMES
13203 - gn - 1] = CMAIL_OLD_RESULT;
13210 /* Only a NormalMove can be at the start of a game
13211 * without a position diagram. */
13212 if (lastLoadGameStart == EndOfFile ) {
13214 lastLoadGameStart = MoveNumberOne;
13223 if (appData.debugMode)
13224 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13226 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13228 if (cm == XBoardGame) {
13229 /* Skip any header junk before position diagram and/or move 1 */
13231 yyboardindex = forwardMostMove;
13232 cm = (ChessMove) Myylex();
13234 if (cm == EndOfFile ||
13235 cm == GNUChessGame || cm == XBoardGame) {
13236 /* Empty game; pretend end-of-file and handle later */
13241 if (cm == MoveNumberOne || cm == PositionDiagram ||
13242 cm == PGNTag || cm == Comment)
13245 } else if (cm == GNUChessGame) {
13246 if (gameInfo.event != NULL) {
13247 free(gameInfo.event);
13249 gameInfo.event = StrSave(yy_text);
13252 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13253 while (cm == PGNTag) {
13254 if (appData.debugMode)
13255 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13256 err = ParsePGNTag(yy_text, &gameInfo);
13257 if (!err) numPGNTags++;
13259 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13260 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13261 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13262 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13263 InitPosition(TRUE);
13264 oldVariant = gameInfo.variant;
13265 if (appData.debugMode)
13266 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13270 if (gameInfo.fen != NULL) {
13271 Board initial_position;
13272 startedFromSetupPosition = TRUE;
13273 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13275 DisplayError(_("Bad FEN position in file"), 0);
13278 CopyBoard(boards[0], initial_position);
13279 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13280 CopyBoard(initialPosition, initial_position);
13281 if (blackPlaysFirst) {
13282 currentMove = forwardMostMove = backwardMostMove = 1;
13283 CopyBoard(boards[1], initial_position);
13284 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13285 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13286 timeRemaining[0][1] = whiteTimeRemaining;
13287 timeRemaining[1][1] = blackTimeRemaining;
13288 if (commentList[0] != NULL) {
13289 commentList[1] = commentList[0];
13290 commentList[0] = NULL;
13293 currentMove = forwardMostMove = backwardMostMove = 0;
13295 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13297 initialRulePlies = FENrulePlies;
13298 for( i=0; i< nrCastlingRights; i++ )
13299 initialRights[i] = initial_position[CASTLING][i];
13301 yyboardindex = forwardMostMove;
13302 free(gameInfo.fen);
13303 gameInfo.fen = NULL;
13306 yyboardindex = forwardMostMove;
13307 cm = (ChessMove) Myylex();
13309 /* Handle comments interspersed among the tags */
13310 while (cm == Comment) {
13312 if (appData.debugMode)
13313 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13315 AppendComment(currentMove, p, FALSE);
13316 yyboardindex = forwardMostMove;
13317 cm = (ChessMove) Myylex();
13321 /* don't rely on existence of Event tag since if game was
13322 * pasted from clipboard the Event tag may not exist
13324 if (numPGNTags > 0){
13326 if (gameInfo.variant == VariantNormal) {
13327 VariantClass v = StringToVariant(gameInfo.event);
13328 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13329 if(v < VariantShogi) gameInfo.variant = v;
13332 if( appData.autoDisplayTags ) {
13333 tags = PGNTags(&gameInfo);
13334 TagsPopUp(tags, CmailMsg());
13339 /* Make something up, but don't display it now */
13344 if (cm == PositionDiagram) {
13347 Board initial_position;
13349 if (appData.debugMode)
13350 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13352 if (!startedFromSetupPosition) {
13354 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13355 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13366 initial_position[i][j++] = CharToPiece(*p);
13369 while (*p == ' ' || *p == '\t' ||
13370 *p == '\n' || *p == '\r') p++;
13372 if (strncmp(p, "black", strlen("black"))==0)
13373 blackPlaysFirst = TRUE;
13375 blackPlaysFirst = FALSE;
13376 startedFromSetupPosition = TRUE;
13378 CopyBoard(boards[0], initial_position);
13379 if (blackPlaysFirst) {
13380 currentMove = forwardMostMove = backwardMostMove = 1;
13381 CopyBoard(boards[1], initial_position);
13382 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13383 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13384 timeRemaining[0][1] = whiteTimeRemaining;
13385 timeRemaining[1][1] = blackTimeRemaining;
13386 if (commentList[0] != NULL) {
13387 commentList[1] = commentList[0];
13388 commentList[0] = NULL;
13391 currentMove = forwardMostMove = backwardMostMove = 0;
13394 yyboardindex = forwardMostMove;
13395 cm = (ChessMove) Myylex();
13398 if(!creatingBook) {
13399 if (first.pr == NoProc) {
13400 StartChessProgram(&first);
13402 InitChessProgram(&first, FALSE);
13403 if(gameInfo.variant == VariantUnknown && *oldName) {
13404 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13405 gameInfo.variant = v;
13407 SendToProgram("force\n", &first);
13408 if (startedFromSetupPosition) {
13409 SendBoard(&first, forwardMostMove);
13410 if (appData.debugMode) {
13411 fprintf(debugFP, "Load Game\n");
13413 DisplayBothClocks();
13417 /* [HGM] server: flag to write setup moves in broadcast file as one */
13418 loadFlag = appData.suppressLoadMoves;
13420 while (cm == Comment) {
13422 if (appData.debugMode)
13423 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13425 AppendComment(currentMove, p, FALSE);
13426 yyboardindex = forwardMostMove;
13427 cm = (ChessMove) Myylex();
13430 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13431 cm == WhiteWins || cm == BlackWins ||
13432 cm == GameIsDrawn || cm == GameUnfinished) {
13433 DisplayMessage("", _("No moves in game"));
13434 if (cmailMsgLoaded) {
13435 if (appData.debugMode)
13436 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13440 DrawPosition(FALSE, boards[currentMove]);
13441 DisplayBothClocks();
13442 gameMode = EditGame;
13449 // [HGM] PV info: routine tests if comment empty
13450 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13451 DisplayComment(currentMove - 1, commentList[currentMove]);
13453 if (!matchMode && appData.timeDelay != 0)
13454 DrawPosition(FALSE, boards[currentMove]);
13456 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13457 programStats.ok_to_send = 1;
13460 /* if the first token after the PGN tags is a move
13461 * and not move number 1, retrieve it from the parser
13463 if (cm != MoveNumberOne)
13464 LoadGameOneMove(cm);
13466 /* load the remaining moves from the file */
13467 while (LoadGameOneMove(EndOfFile)) {
13468 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13469 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13472 /* rewind to the start of the game */
13473 currentMove = backwardMostMove;
13475 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13477 if (oldGameMode == AnalyzeFile) {
13478 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13479 AnalyzeFileEvent();
13481 if (oldGameMode == AnalyzeMode) {
13482 AnalyzeFileEvent();
13485 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13486 long int w, b; // [HGM] adjourn: restore saved clock times
13487 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13488 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13489 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13490 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13494 if(creatingBook) return TRUE;
13495 if (!matchMode && pos > 0) {
13496 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13498 if (matchMode || appData.timeDelay == 0) {
13500 } else if (appData.timeDelay > 0) {
13501 AutoPlayGameLoop();
13504 if (appData.debugMode)
13505 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13507 loadFlag = 0; /* [HGM] true game starts */
13511 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13513 ReloadPosition (int offset)
13515 int positionNumber = lastLoadPositionNumber + offset;
13516 if (lastLoadPositionFP == NULL) {
13517 DisplayError(_("No position has been loaded yet"), 0);
13520 if (positionNumber <= 0) {
13521 DisplayError(_("Can't back up any further"), 0);
13524 return LoadPosition(lastLoadPositionFP, positionNumber,
13525 lastLoadPositionTitle);
13528 /* Load the nth position from the given file */
13530 LoadPositionFromFile (char *filename, int n, char *title)
13535 if (strcmp(filename, "-") == 0) {
13536 return LoadPosition(stdin, n, "stdin");
13538 f = fopen(filename, "rb");
13540 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13541 DisplayError(buf, errno);
13544 return LoadPosition(f, n, title);
13549 /* Load the nth position from the given open file, and close it */
13551 LoadPosition (FILE *f, int positionNumber, char *title)
13553 char *p, line[MSG_SIZ];
13554 Board initial_position;
13555 int i, j, fenMode, pn;
13557 if (gameMode == Training )
13558 SetTrainingModeOff();
13560 if (gameMode != BeginningOfGame) {
13561 Reset(FALSE, TRUE);
13563 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13564 fclose(lastLoadPositionFP);
13566 if (positionNumber == 0) positionNumber = 1;
13567 lastLoadPositionFP = f;
13568 lastLoadPositionNumber = positionNumber;
13569 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13570 if (first.pr == NoProc && !appData.noChessProgram) {
13571 StartChessProgram(&first);
13572 InitChessProgram(&first, FALSE);
13574 pn = positionNumber;
13575 if (positionNumber < 0) {
13576 /* Negative position number means to seek to that byte offset */
13577 if (fseek(f, -positionNumber, 0) == -1) {
13578 DisplayError(_("Can't seek on position file"), 0);
13583 if (fseek(f, 0, 0) == -1) {
13584 if (f == lastLoadPositionFP ?
13585 positionNumber == lastLoadPositionNumber + 1 :
13586 positionNumber == 1) {
13589 DisplayError(_("Can't seek on position file"), 0);
13594 /* See if this file is FEN or old-style xboard */
13595 if (fgets(line, MSG_SIZ, f) == NULL) {
13596 DisplayError(_("Position not found in file"), 0);
13599 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13600 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13603 if (fenMode || line[0] == '#') pn--;
13605 /* skip positions before number pn */
13606 if (fgets(line, MSG_SIZ, f) == NULL) {
13608 DisplayError(_("Position not found in file"), 0);
13611 if (fenMode || line[0] == '#') pn--;
13617 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13618 DisplayError(_("Bad FEN position in file"), 0);
13621 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13622 sscanf(p+4, "%[^;]", bestMove);
13623 } else *bestMove = NULLCHAR;
13624 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13625 sscanf(p+4, "%[^;]", avoidMove);
13626 } else *avoidMove = NULLCHAR;
13628 (void) fgets(line, MSG_SIZ, f);
13629 (void) fgets(line, MSG_SIZ, f);
13631 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13632 (void) fgets(line, MSG_SIZ, f);
13633 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13636 initial_position[i][j++] = CharToPiece(*p);
13640 blackPlaysFirst = FALSE;
13642 (void) fgets(line, MSG_SIZ, f);
13643 if (strncmp(line, "black", strlen("black"))==0)
13644 blackPlaysFirst = TRUE;
13647 startedFromSetupPosition = TRUE;
13649 CopyBoard(boards[0], initial_position);
13650 if (blackPlaysFirst) {
13651 currentMove = forwardMostMove = backwardMostMove = 1;
13652 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13653 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13654 CopyBoard(boards[1], initial_position);
13655 DisplayMessage("", _("Black to play"));
13657 currentMove = forwardMostMove = backwardMostMove = 0;
13658 DisplayMessage("", _("White to play"));
13660 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13661 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13662 SendToProgram("force\n", &first);
13663 SendBoard(&first, forwardMostMove);
13665 if (appData.debugMode) {
13667 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13668 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13669 fprintf(debugFP, "Load Position\n");
13672 if (positionNumber > 1) {
13673 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13674 DisplayTitle(line);
13676 DisplayTitle(title);
13678 gameMode = EditGame;
13681 timeRemaining[0][1] = whiteTimeRemaining;
13682 timeRemaining[1][1] = blackTimeRemaining;
13683 DrawPosition(FALSE, boards[currentMove]);
13690 CopyPlayerNameIntoFileName (char **dest, char *src)
13692 while (*src != NULLCHAR && *src != ',') {
13697 *(*dest)++ = *src++;
13703 DefaultFileName (char *ext)
13705 static char def[MSG_SIZ];
13708 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13710 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13712 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13714 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13721 /* Save the current game to the given file */
13723 SaveGameToFile (char *filename, int append)
13727 int result, i, t,tot=0;
13729 if (strcmp(filename, "-") == 0) {
13730 return SaveGame(stdout, 0, NULL);
13732 for(i=0; i<10; i++) { // upto 10 tries
13733 f = fopen(filename, append ? "a" : "w");
13734 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13735 if(f || errno != 13) break;
13736 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13740 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13741 DisplayError(buf, errno);
13744 safeStrCpy(buf, lastMsg, MSG_SIZ);
13745 DisplayMessage(_("Waiting for access to save file"), "");
13746 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13747 DisplayMessage(_("Saving game"), "");
13748 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13749 result = SaveGame(f, 0, NULL);
13750 DisplayMessage(buf, "");
13757 SavePart (char *str)
13759 static char buf[MSG_SIZ];
13762 p = strchr(str, ' ');
13763 if (p == NULL) return str;
13764 strncpy(buf, str, p - str);
13765 buf[p - str] = NULLCHAR;
13769 #define PGN_MAX_LINE 75
13771 #define PGN_SIDE_WHITE 0
13772 #define PGN_SIDE_BLACK 1
13775 FindFirstMoveOutOfBook (int side)
13779 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13780 int index = backwardMostMove;
13781 int has_book_hit = 0;
13783 if( (index % 2) != side ) {
13787 while( index < forwardMostMove ) {
13788 /* Check to see if engine is in book */
13789 int depth = pvInfoList[index].depth;
13790 int score = pvInfoList[index].score;
13796 else if( score == 0 && depth == 63 ) {
13797 in_book = 1; /* Zappa */
13799 else if( score == 2 && depth == 99 ) {
13800 in_book = 1; /* Abrok */
13803 has_book_hit += in_book;
13819 GetOutOfBookInfo (char * buf)
13823 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13825 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13826 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13830 if( oob[0] >= 0 || oob[1] >= 0 ) {
13831 for( i=0; i<2; i++ ) {
13835 if( i > 0 && oob[0] >= 0 ) {
13836 strcat( buf, " " );
13839 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13840 sprintf( buf+strlen(buf), "%s%.2f",
13841 pvInfoList[idx].score >= 0 ? "+" : "",
13842 pvInfoList[idx].score / 100.0 );
13848 /* Save game in PGN style */
13850 SaveGamePGN2 (FILE *f)
13852 int i, offset, linelen, newblock;
13855 int movelen, numlen, blank;
13856 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13858 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13860 PrintPGNTags(f, &gameInfo);
13862 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13864 if (backwardMostMove > 0 || startedFromSetupPosition) {
13865 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13866 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13867 fprintf(f, "\n{--------------\n");
13868 PrintPosition(f, backwardMostMove);
13869 fprintf(f, "--------------}\n");
13873 /* [AS] Out of book annotation */
13874 if( appData.saveOutOfBookInfo ) {
13877 GetOutOfBookInfo( buf );
13879 if( buf[0] != '\0' ) {
13880 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13887 i = backwardMostMove;
13891 while (i < forwardMostMove) {
13892 /* Print comments preceding this move */
13893 if (commentList[i] != NULL) {
13894 if (linelen > 0) fprintf(f, "\n");
13895 fprintf(f, "%s", commentList[i]);
13900 /* Format move number */
13902 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13905 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13907 numtext[0] = NULLCHAR;
13909 numlen = strlen(numtext);
13912 /* Print move number */
13913 blank = linelen > 0 && numlen > 0;
13914 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13923 fprintf(f, "%s", numtext);
13927 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13928 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13931 blank = linelen > 0 && movelen > 0;
13932 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13941 fprintf(f, "%s", move_buffer);
13942 linelen += movelen;
13944 /* [AS] Add PV info if present */
13945 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13946 /* [HGM] add time */
13947 char buf[MSG_SIZ]; int seconds;
13949 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13955 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13958 seconds = (seconds + 4)/10; // round to full seconds
13960 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13962 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13965 if(appData.cumulativeTimePGN) {
13966 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13969 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13970 pvInfoList[i].score >= 0 ? "+" : "",
13971 pvInfoList[i].score / 100.0,
13972 pvInfoList[i].depth,
13975 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13977 /* Print score/depth */
13978 blank = linelen > 0 && movelen > 0;
13979 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13988 fprintf(f, "%s", move_buffer);
13989 linelen += movelen;
13995 /* Start a new line */
13996 if (linelen > 0) fprintf(f, "\n");
13998 /* Print comments after last move */
13999 if (commentList[i] != NULL) {
14000 fprintf(f, "%s\n", commentList[i]);
14004 if (gameInfo.resultDetails != NULL &&
14005 gameInfo.resultDetails[0] != NULLCHAR) {
14006 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14007 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14008 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14009 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14010 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14012 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14016 /* Save game in PGN style and close the file */
14018 SaveGamePGN (FILE *f)
14022 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14026 /* Save game in old style and close the file */
14028 SaveGameOldStyle (FILE *f)
14033 tm = time((time_t *) NULL);
14035 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14038 if (backwardMostMove > 0 || startedFromSetupPosition) {
14039 fprintf(f, "\n[--------------\n");
14040 PrintPosition(f, backwardMostMove);
14041 fprintf(f, "--------------]\n");
14046 i = backwardMostMove;
14047 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14049 while (i < forwardMostMove) {
14050 if (commentList[i] != NULL) {
14051 fprintf(f, "[%s]\n", commentList[i]);
14054 if ((i % 2) == 1) {
14055 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14058 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14060 if (commentList[i] != NULL) {
14064 if (i >= forwardMostMove) {
14068 fprintf(f, "%s\n", parseList[i]);
14073 if (commentList[i] != NULL) {
14074 fprintf(f, "[%s]\n", commentList[i]);
14077 /* This isn't really the old style, but it's close enough */
14078 if (gameInfo.resultDetails != NULL &&
14079 gameInfo.resultDetails[0] != NULLCHAR) {
14080 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14081 gameInfo.resultDetails);
14083 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14090 /* Save the current game to open file f and close the file */
14092 SaveGame (FILE *f, int dummy, char *dummy2)
14094 if (gameMode == EditPosition) EditPositionDone(TRUE);
14095 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14096 if (appData.oldSaveStyle)
14097 return SaveGameOldStyle(f);
14099 return SaveGamePGN(f);
14102 /* Save the current position to the given file */
14104 SavePositionToFile (char *filename)
14109 if (strcmp(filename, "-") == 0) {
14110 return SavePosition(stdout, 0, NULL);
14112 f = fopen(filename, "a");
14114 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14115 DisplayError(buf, errno);
14118 safeStrCpy(buf, lastMsg, MSG_SIZ);
14119 DisplayMessage(_("Waiting for access to save file"), "");
14120 flock(fileno(f), LOCK_EX); // [HGM] lock
14121 DisplayMessage(_("Saving position"), "");
14122 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14123 SavePosition(f, 0, NULL);
14124 DisplayMessage(buf, "");
14130 /* Save the current position to the given open file and close the file */
14132 SavePosition (FILE *f, int dummy, char *dummy2)
14137 if (gameMode == EditPosition) EditPositionDone(TRUE);
14138 if (appData.oldSaveStyle) {
14139 tm = time((time_t *) NULL);
14141 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14143 fprintf(f, "[--------------\n");
14144 PrintPosition(f, currentMove);
14145 fprintf(f, "--------------]\n");
14147 fen = PositionToFEN(currentMove, NULL, 1);
14148 fprintf(f, "%s\n", fen);
14156 ReloadCmailMsgEvent (int unregister)
14159 static char *inFilename = NULL;
14160 static char *outFilename;
14162 struct stat inbuf, outbuf;
14165 /* Any registered moves are unregistered if unregister is set, */
14166 /* i.e. invoked by the signal handler */
14168 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14169 cmailMoveRegistered[i] = FALSE;
14170 if (cmailCommentList[i] != NULL) {
14171 free(cmailCommentList[i]);
14172 cmailCommentList[i] = NULL;
14175 nCmailMovesRegistered = 0;
14178 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14179 cmailResult[i] = CMAIL_NOT_RESULT;
14183 if (inFilename == NULL) {
14184 /* Because the filenames are static they only get malloced once */
14185 /* and they never get freed */
14186 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14187 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14189 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14190 sprintf(outFilename, "%s.out", appData.cmailGameName);
14193 status = stat(outFilename, &outbuf);
14195 cmailMailedMove = FALSE;
14197 status = stat(inFilename, &inbuf);
14198 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14201 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14202 counts the games, notes how each one terminated, etc.
14204 It would be nice to remove this kludge and instead gather all
14205 the information while building the game list. (And to keep it
14206 in the game list nodes instead of having a bunch of fixed-size
14207 parallel arrays.) Note this will require getting each game's
14208 termination from the PGN tags, as the game list builder does
14209 not process the game moves. --mann
14211 cmailMsgLoaded = TRUE;
14212 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14214 /* Load first game in the file or popup game menu */
14215 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14217 #endif /* !WIN32 */
14225 char string[MSG_SIZ];
14227 if ( cmailMailedMove
14228 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14229 return TRUE; /* Allow free viewing */
14232 /* Unregister move to ensure that we don't leave RegisterMove */
14233 /* with the move registered when the conditions for registering no */
14235 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14236 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14237 nCmailMovesRegistered --;
14239 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14241 free(cmailCommentList[lastLoadGameNumber - 1]);
14242 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14246 if (cmailOldMove == -1) {
14247 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14251 if (currentMove > cmailOldMove + 1) {
14252 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14256 if (currentMove < cmailOldMove) {
14257 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14261 if (forwardMostMove > currentMove) {
14262 /* Silently truncate extra moves */
14266 if ( (currentMove == cmailOldMove + 1)
14267 || ( (currentMove == cmailOldMove)
14268 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14269 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14270 if (gameInfo.result != GameUnfinished) {
14271 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14274 if (commentList[currentMove] != NULL) {
14275 cmailCommentList[lastLoadGameNumber - 1]
14276 = StrSave(commentList[currentMove]);
14278 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14280 if (appData.debugMode)
14281 fprintf(debugFP, "Saving %s for game %d\n",
14282 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14284 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14286 f = fopen(string, "w");
14287 if (appData.oldSaveStyle) {
14288 SaveGameOldStyle(f); /* also closes the file */
14290 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14291 f = fopen(string, "w");
14292 SavePosition(f, 0, NULL); /* also closes the file */
14294 fprintf(f, "{--------------\n");
14295 PrintPosition(f, currentMove);
14296 fprintf(f, "--------------}\n\n");
14298 SaveGame(f, 0, NULL); /* also closes the file*/
14301 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14302 nCmailMovesRegistered ++;
14303 } else if (nCmailGames == 1) {
14304 DisplayError(_("You have not made a move yet"), 0);
14315 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14316 FILE *commandOutput;
14317 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14318 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14324 if (! cmailMsgLoaded) {
14325 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14329 if (nCmailGames == nCmailResults) {
14330 DisplayError(_("No unfinished games"), 0);
14334 #if CMAIL_PROHIBIT_REMAIL
14335 if (cmailMailedMove) {
14336 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);
14337 DisplayError(msg, 0);
14342 if (! (cmailMailedMove || RegisterMove())) return;
14344 if ( cmailMailedMove
14345 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14346 snprintf(string, MSG_SIZ, partCommandString,
14347 appData.debugMode ? " -v" : "", appData.cmailGameName);
14348 commandOutput = popen(string, "r");
14350 if (commandOutput == NULL) {
14351 DisplayError(_("Failed to invoke cmail"), 0);
14353 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14354 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14356 if (nBuffers > 1) {
14357 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14358 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14359 nBytes = MSG_SIZ - 1;
14361 (void) memcpy(msg, buffer, nBytes);
14363 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14365 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14366 cmailMailedMove = TRUE; /* Prevent >1 moves */
14369 for (i = 0; i < nCmailGames; i ++) {
14370 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14375 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14377 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14379 appData.cmailGameName,
14381 LoadGameFromFile(buffer, 1, buffer, FALSE);
14382 cmailMsgLoaded = FALSE;
14386 DisplayInformation(msg);
14387 pclose(commandOutput);
14390 if ((*cmailMsg) != '\0') {
14391 DisplayInformation(cmailMsg);
14396 #endif /* !WIN32 */
14405 int prependComma = 0;
14407 char string[MSG_SIZ]; /* Space for game-list */
14410 if (!cmailMsgLoaded) return "";
14412 if (cmailMailedMove) {
14413 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14415 /* Create a list of games left */
14416 snprintf(string, MSG_SIZ, "[");
14417 for (i = 0; i < nCmailGames; i ++) {
14418 if (! ( cmailMoveRegistered[i]
14419 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14420 if (prependComma) {
14421 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14423 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14427 strcat(string, number);
14430 strcat(string, "]");
14432 if (nCmailMovesRegistered + nCmailResults == 0) {
14433 switch (nCmailGames) {
14435 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14439 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14443 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14448 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14450 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14455 if (nCmailResults == nCmailGames) {
14456 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14458 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14463 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14475 if (gameMode == Training)
14476 SetTrainingModeOff();
14479 cmailMsgLoaded = FALSE;
14480 if (appData.icsActive) {
14481 SendToICS(ics_prefix);
14482 SendToICS("refresh\n");
14487 ExitEvent (int status)
14491 /* Give up on clean exit */
14495 /* Keep trying for clean exit */
14499 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14500 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14502 if (telnetISR != NULL) {
14503 RemoveInputSource(telnetISR);
14505 if (icsPR != NoProc) {
14506 DestroyChildProcess(icsPR, TRUE);
14509 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14510 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14512 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14513 /* make sure this other one finishes before killing it! */
14514 if(endingGame) { int count = 0;
14515 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14516 while(endingGame && count++ < 10) DoSleep(1);
14517 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14520 /* Kill off chess programs */
14521 if (first.pr != NoProc) {
14524 DoSleep( appData.delayBeforeQuit );
14525 SendToProgram("quit\n", &first);
14526 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14528 if (second.pr != NoProc) {
14529 DoSleep( appData.delayBeforeQuit );
14530 SendToProgram("quit\n", &second);
14531 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14533 if (first.isr != NULL) {
14534 RemoveInputSource(first.isr);
14536 if (second.isr != NULL) {
14537 RemoveInputSource(second.isr);
14540 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14541 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14543 ShutDownFrontEnd();
14548 PauseEngine (ChessProgramState *cps)
14550 SendToProgram("pause\n", cps);
14555 UnPauseEngine (ChessProgramState *cps)
14557 SendToProgram("resume\n", cps);
14564 if (appData.debugMode)
14565 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14569 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14571 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14572 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14573 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14575 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14576 HandleMachineMove(stashedInputMove, stalledEngine);
14577 stalledEngine = NULL;
14580 if (gameMode == MachinePlaysWhite ||
14581 gameMode == TwoMachinesPlay ||
14582 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14583 if(first.pause) UnPauseEngine(&first);
14584 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14585 if(second.pause) UnPauseEngine(&second);
14586 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14589 DisplayBothClocks();
14591 if (gameMode == PlayFromGameFile) {
14592 if (appData.timeDelay >= 0)
14593 AutoPlayGameLoop();
14594 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14595 Reset(FALSE, TRUE);
14596 SendToICS(ics_prefix);
14597 SendToICS("refresh\n");
14598 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14599 ForwardInner(forwardMostMove);
14601 pauseExamInvalid = FALSE;
14603 switch (gameMode) {
14607 pauseExamForwardMostMove = forwardMostMove;
14608 pauseExamInvalid = FALSE;
14611 case IcsPlayingWhite:
14612 case IcsPlayingBlack:
14616 case PlayFromGameFile:
14617 (void) StopLoadGameTimer();
14621 case BeginningOfGame:
14622 if (appData.icsActive) return;
14623 /* else fall through */
14624 case MachinePlaysWhite:
14625 case MachinePlaysBlack:
14626 case TwoMachinesPlay:
14627 if (forwardMostMove == 0)
14628 return; /* don't pause if no one has moved */
14629 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14630 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14631 if(onMove->pause) { // thinking engine can be paused
14632 PauseEngine(onMove); // do it
14633 if(onMove->other->pause) // pondering opponent can always be paused immediately
14634 PauseEngine(onMove->other);
14636 SendToProgram("easy\n", onMove->other);
14638 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14639 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14641 PauseEngine(&first);
14643 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14644 } else { // human on move, pause pondering by either method
14646 PauseEngine(&first);
14647 else if(appData.ponderNextMove)
14648 SendToProgram("easy\n", &first);
14651 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14661 EditCommentEvent ()
14663 char title[MSG_SIZ];
14665 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14666 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14668 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14669 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14670 parseList[currentMove - 1]);
14673 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14680 char *tags = PGNTags(&gameInfo);
14682 EditTagsPopUp(tags, NULL);
14689 if(second.analyzing) {
14690 SendToProgram("exit\n", &second);
14691 second.analyzing = FALSE;
14693 if (second.pr == NoProc) StartChessProgram(&second);
14694 InitChessProgram(&second, FALSE);
14695 FeedMovesToProgram(&second, currentMove);
14697 SendToProgram("analyze\n", &second);
14698 second.analyzing = TRUE;
14702 /* Toggle ShowThinking */
14704 ToggleShowThinking()
14706 appData.showThinking = !appData.showThinking;
14707 ShowThinkingEvent();
14711 AnalyzeModeEvent ()
14715 if (!first.analysisSupport) {
14716 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14717 DisplayError(buf, 0);
14720 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14721 if (appData.icsActive) {
14722 if (gameMode != IcsObserving) {
14723 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14724 DisplayError(buf, 0);
14726 if (appData.icsEngineAnalyze) {
14727 if (appData.debugMode)
14728 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14734 /* if enable, user wants to disable icsEngineAnalyze */
14735 if (appData.icsEngineAnalyze) {
14740 appData.icsEngineAnalyze = TRUE;
14741 if (appData.debugMode)
14742 fprintf(debugFP, "ICS engine analyze starting... \n");
14745 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14746 if (appData.noChessProgram || gameMode == AnalyzeMode)
14749 if (gameMode != AnalyzeFile) {
14750 if (!appData.icsEngineAnalyze) {
14752 if (gameMode != EditGame) return 0;
14754 if (!appData.showThinking) ToggleShowThinking();
14755 ResurrectChessProgram();
14756 SendToProgram("analyze\n", &first);
14757 first.analyzing = TRUE;
14758 /*first.maybeThinking = TRUE;*/
14759 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14760 EngineOutputPopUp();
14762 if (!appData.icsEngineAnalyze) {
14763 gameMode = AnalyzeMode;
14764 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14770 StartAnalysisClock();
14771 GetTimeMark(&lastNodeCountTime);
14777 AnalyzeFileEvent ()
14779 if (appData.noChessProgram || gameMode == AnalyzeFile)
14782 if (!first.analysisSupport) {
14784 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14785 DisplayError(buf, 0);
14789 if (gameMode != AnalyzeMode) {
14790 keepInfo = 1; // mere annotating should not alter PGN tags
14793 if (gameMode != EditGame) return;
14794 if (!appData.showThinking) ToggleShowThinking();
14795 ResurrectChessProgram();
14796 SendToProgram("analyze\n", &first);
14797 first.analyzing = TRUE;
14798 /*first.maybeThinking = TRUE;*/
14799 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14800 EngineOutputPopUp();
14802 gameMode = AnalyzeFile;
14806 StartAnalysisClock();
14807 GetTimeMark(&lastNodeCountTime);
14809 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14810 AnalysisPeriodicEvent(1);
14814 MachineWhiteEvent ()
14817 char *bookHit = NULL;
14819 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14823 if (gameMode == PlayFromGameFile ||
14824 gameMode == TwoMachinesPlay ||
14825 gameMode == Training ||
14826 gameMode == AnalyzeMode ||
14827 gameMode == EndOfGame)
14830 if (gameMode == EditPosition)
14831 EditPositionDone(TRUE);
14833 if (!WhiteOnMove(currentMove)) {
14834 DisplayError(_("It is not White's turn"), 0);
14838 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14841 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14842 gameMode == AnalyzeFile)
14845 ResurrectChessProgram(); /* in case it isn't running */
14846 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14847 gameMode = MachinePlaysWhite;
14850 gameMode = MachinePlaysWhite;
14854 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14856 if (first.sendName) {
14857 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14858 SendToProgram(buf, &first);
14860 if (first.sendTime) {
14861 if (first.useColors) {
14862 SendToProgram("black\n", &first); /*gnu kludge*/
14864 SendTimeRemaining(&first, TRUE);
14866 if (first.useColors) {
14867 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14869 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14870 SetMachineThinkingEnables();
14871 first.maybeThinking = TRUE;
14875 if (appData.autoFlipView && !flipView) {
14876 flipView = !flipView;
14877 DrawPosition(FALSE, NULL);
14878 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14881 if(bookHit) { // [HGM] book: simulate book reply
14882 static char bookMove[MSG_SIZ]; // a bit generous?
14884 programStats.nodes = programStats.depth = programStats.time =
14885 programStats.score = programStats.got_only_move = 0;
14886 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14888 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14889 strcat(bookMove, bookHit);
14890 savedMessage = bookMove; // args for deferred call
14891 savedState = &first;
14892 ScheduleDelayedEvent(DeferredBookMove, 1);
14897 MachineBlackEvent ()
14900 char *bookHit = NULL;
14902 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14906 if (gameMode == PlayFromGameFile ||
14907 gameMode == TwoMachinesPlay ||
14908 gameMode == Training ||
14909 gameMode == AnalyzeMode ||
14910 gameMode == EndOfGame)
14913 if (gameMode == EditPosition)
14914 EditPositionDone(TRUE);
14916 if (WhiteOnMove(currentMove)) {
14917 DisplayError(_("It is not Black's turn"), 0);
14921 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14924 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14925 gameMode == AnalyzeFile)
14928 ResurrectChessProgram(); /* in case it isn't running */
14929 gameMode = MachinePlaysBlack;
14933 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14935 if (first.sendName) {
14936 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14937 SendToProgram(buf, &first);
14939 if (first.sendTime) {
14940 if (first.useColors) {
14941 SendToProgram("white\n", &first); /*gnu kludge*/
14943 SendTimeRemaining(&first, FALSE);
14945 if (first.useColors) {
14946 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14948 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14949 SetMachineThinkingEnables();
14950 first.maybeThinking = TRUE;
14953 if (appData.autoFlipView && flipView) {
14954 flipView = !flipView;
14955 DrawPosition(FALSE, NULL);
14956 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14958 if(bookHit) { // [HGM] book: simulate book reply
14959 static char bookMove[MSG_SIZ]; // a bit generous?
14961 programStats.nodes = programStats.depth = programStats.time =
14962 programStats.score = programStats.got_only_move = 0;
14963 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14965 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14966 strcat(bookMove, bookHit);
14967 savedMessage = bookMove; // args for deferred call
14968 savedState = &first;
14969 ScheduleDelayedEvent(DeferredBookMove, 1);
14975 DisplayTwoMachinesTitle ()
14978 if (appData.matchGames > 0) {
14979 if(appData.tourneyFile[0]) {
14980 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14981 gameInfo.white, _("vs."), gameInfo.black,
14982 nextGame+1, appData.matchGames+1,
14983 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14985 if (first.twoMachinesColor[0] == 'w') {
14986 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14987 gameInfo.white, _("vs."), gameInfo.black,
14988 first.matchWins, second.matchWins,
14989 matchGame - 1 - (first.matchWins + second.matchWins));
14991 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14992 gameInfo.white, _("vs."), gameInfo.black,
14993 second.matchWins, first.matchWins,
14994 matchGame - 1 - (first.matchWins + second.matchWins));
14997 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15003 SettingsMenuIfReady ()
15005 if (second.lastPing != second.lastPong) {
15006 DisplayMessage("", _("Waiting for second chess program"));
15007 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15011 DisplayMessage("", "");
15012 SettingsPopUp(&second);
15016 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15019 if (cps->pr == NoProc) {
15020 StartChessProgram(cps);
15021 if (cps->protocolVersion == 1) {
15023 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15025 /* kludge: allow timeout for initial "feature" command */
15026 if(retry != TwoMachinesEventIfReady) FreezeUI();
15027 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15028 DisplayMessage("", buf);
15029 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15037 TwoMachinesEvent P((void))
15039 int i, move = forwardMostMove;
15041 ChessProgramState *onmove;
15042 char *bookHit = NULL;
15043 static int stalling = 0;
15047 if (appData.noChessProgram) return;
15049 switch (gameMode) {
15050 case TwoMachinesPlay:
15052 case MachinePlaysWhite:
15053 case MachinePlaysBlack:
15054 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15055 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15059 case BeginningOfGame:
15060 case PlayFromGameFile:
15063 if (gameMode != EditGame) return;
15066 EditPositionDone(TRUE);
15077 // forwardMostMove = currentMove;
15078 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15079 startingEngine = TRUE;
15081 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15083 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15084 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15085 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15089 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15091 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15092 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15093 startingEngine = matchMode = FALSE;
15094 DisplayError("second engine does not play this", 0);
15095 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15096 EditGameEvent(); // switch back to EditGame mode
15101 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15102 SendToProgram("force\n", &second);
15104 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15108 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15109 if(appData.matchPause>10000 || appData.matchPause<10)
15110 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15111 wait = SubtractTimeMarks(&now, &pauseStart);
15112 if(wait < appData.matchPause) {
15113 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15116 // we are now committed to starting the game
15118 DisplayMessage("", "");
15120 if (startedFromSetupPosition) {
15121 SendBoard(&second, backwardMostMove);
15122 if (appData.debugMode) {
15123 fprintf(debugFP, "Two Machines\n");
15126 for (i = backwardMostMove; i < forwardMostMove; i++) {
15127 SendMoveToProgram(i, &second);
15131 gameMode = TwoMachinesPlay;
15132 pausing = startingEngine = FALSE;
15133 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15135 DisplayTwoMachinesTitle();
15137 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15142 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15143 SendToProgram(first.computerString, &first);
15144 if (first.sendName) {
15145 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15146 SendToProgram(buf, &first);
15149 SendToProgram(second.computerString, &second);
15150 if (second.sendName) {
15151 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15152 SendToProgram(buf, &second);
15156 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15158 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15159 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15161 if (onmove->sendTime) {
15162 if (onmove->useColors) {
15163 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15165 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15167 if (onmove->useColors) {
15168 SendToProgram(onmove->twoMachinesColor, onmove);
15170 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15171 // SendToProgram("go\n", onmove);
15172 onmove->maybeThinking = TRUE;
15173 SetMachineThinkingEnables();
15177 if(bookHit) { // [HGM] book: simulate book reply
15178 static char bookMove[MSG_SIZ]; // a bit generous?
15180 programStats.nodes = programStats.depth = programStats.time =
15181 programStats.score = programStats.got_only_move = 0;
15182 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15184 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15185 strcat(bookMove, bookHit);
15186 savedMessage = bookMove; // args for deferred call
15187 savedState = onmove;
15188 ScheduleDelayedEvent(DeferredBookMove, 1);
15195 if (gameMode == Training) {
15196 SetTrainingModeOff();
15197 gameMode = PlayFromGameFile;
15198 DisplayMessage("", _("Training mode off"));
15200 gameMode = Training;
15201 animateTraining = appData.animate;
15203 /* make sure we are not already at the end of the game */
15204 if (currentMove < forwardMostMove) {
15205 SetTrainingModeOn();
15206 DisplayMessage("", _("Training mode on"));
15208 gameMode = PlayFromGameFile;
15209 DisplayError(_("Already at end of game"), 0);
15218 if (!appData.icsActive) return;
15219 switch (gameMode) {
15220 case IcsPlayingWhite:
15221 case IcsPlayingBlack:
15224 case BeginningOfGame:
15232 EditPositionDone(TRUE);
15245 gameMode = IcsIdle;
15255 switch (gameMode) {
15257 SetTrainingModeOff();
15259 case MachinePlaysWhite:
15260 case MachinePlaysBlack:
15261 case BeginningOfGame:
15262 SendToProgram("force\n", &first);
15263 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15264 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15266 abortEngineThink = TRUE;
15267 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15268 SendToProgram(buf, &first);
15269 DisplayMessage("Aborting engine think", "");
15273 SetUserThinkingEnables();
15275 case PlayFromGameFile:
15276 (void) StopLoadGameTimer();
15277 if (gameFileFP != NULL) {
15282 EditPositionDone(TRUE);
15287 SendToProgram("force\n", &first);
15289 case TwoMachinesPlay:
15290 GameEnds(EndOfFile, NULL, GE_PLAYER);
15291 ResurrectChessProgram();
15292 SetUserThinkingEnables();
15295 ResurrectChessProgram();
15297 case IcsPlayingBlack:
15298 case IcsPlayingWhite:
15299 DisplayError(_("Warning: You are still playing a game"), 0);
15302 DisplayError(_("Warning: You are still observing a game"), 0);
15305 DisplayError(_("Warning: You are still examining a game"), 0);
15316 first.offeredDraw = second.offeredDraw = 0;
15318 if (gameMode == PlayFromGameFile) {
15319 whiteTimeRemaining = timeRemaining[0][currentMove];
15320 blackTimeRemaining = timeRemaining[1][currentMove];
15324 if (gameMode == MachinePlaysWhite ||
15325 gameMode == MachinePlaysBlack ||
15326 gameMode == TwoMachinesPlay ||
15327 gameMode == EndOfGame) {
15328 i = forwardMostMove;
15329 while (i > currentMove) {
15330 SendToProgram("undo\n", &first);
15333 if(!adjustedClock) {
15334 whiteTimeRemaining = timeRemaining[0][currentMove];
15335 blackTimeRemaining = timeRemaining[1][currentMove];
15336 DisplayBothClocks();
15338 if (whiteFlag || blackFlag) {
15339 whiteFlag = blackFlag = 0;
15344 gameMode = EditGame;
15350 EditPositionEvent ()
15353 if (gameMode == EditPosition) {
15359 if (gameMode != EditGame) return;
15361 gameMode = EditPosition;
15364 CopyBoard(rightsBoard, nullBoard);
15365 if (currentMove > 0)
15366 CopyBoard(boards[0], boards[currentMove]);
15367 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15368 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15370 blackPlaysFirst = !WhiteOnMove(currentMove);
15372 currentMove = forwardMostMove = backwardMostMove = 0;
15373 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15375 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15381 /* [DM] icsEngineAnalyze - possible call from other functions */
15382 if (appData.icsEngineAnalyze) {
15383 appData.icsEngineAnalyze = FALSE;
15385 DisplayMessage("",_("Close ICS engine analyze..."));
15387 if (first.analysisSupport && first.analyzing) {
15388 SendToBoth("exit\n");
15389 first.analyzing = second.analyzing = FALSE;
15391 thinkOutput[0] = NULLCHAR;
15395 EditPositionDone (Boolean fakeRights)
15397 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15399 startedFromSetupPosition = TRUE;
15400 InitChessProgram(&first, FALSE);
15401 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15403 boards[0][EP_STATUS] = EP_NONE;
15404 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15405 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15406 if(rightsBoard[r][f]) {
15407 ChessSquare p = boards[0][r][f];
15408 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15409 else if(p == king) boards[0][CASTLING][2] = f;
15410 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15411 else rightsBoard[r][f] = 2; // mark for second pass
15414 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15415 if(rightsBoard[r][f] == 2) {
15416 ChessSquare p = boards[0][r][f];
15417 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15418 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15422 SendToProgram("force\n", &first);
15423 if (blackPlaysFirst) {
15424 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15425 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15426 currentMove = forwardMostMove = backwardMostMove = 1;
15427 CopyBoard(boards[1], boards[0]);
15429 currentMove = forwardMostMove = backwardMostMove = 0;
15431 SendBoard(&first, forwardMostMove);
15432 if (appData.debugMode) {
15433 fprintf(debugFP, "EditPosDone\n");
15436 DisplayMessage("", "");
15437 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15438 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15439 gameMode = EditGame;
15441 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15442 ClearHighlights(); /* [AS] */
15445 /* Pause for `ms' milliseconds */
15446 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15448 TimeDelay (long ms)
15455 } while (SubtractTimeMarks(&m2, &m1) < ms);
15458 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15460 SendMultiLineToICS (char *buf)
15462 char temp[MSG_SIZ+1], *p;
15469 strncpy(temp, buf, len);
15474 if (*p == '\n' || *p == '\r')
15479 strcat(temp, "\n");
15481 SendToPlayer(temp, strlen(temp));
15485 SetWhiteToPlayEvent ()
15487 if (gameMode == EditPosition) {
15488 blackPlaysFirst = FALSE;
15489 DisplayBothClocks(); /* works because currentMove is 0 */
15490 } else if (gameMode == IcsExamining) {
15491 SendToICS(ics_prefix);
15492 SendToICS("tomove white\n");
15497 SetBlackToPlayEvent ()
15499 if (gameMode == EditPosition) {
15500 blackPlaysFirst = TRUE;
15501 currentMove = 1; /* kludge */
15502 DisplayBothClocks();
15504 } else if (gameMode == IcsExamining) {
15505 SendToICS(ics_prefix);
15506 SendToICS("tomove black\n");
15511 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15514 ChessSquare piece = boards[0][y][x];
15515 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15516 static int lastVariant;
15517 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15519 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15521 switch (selection) {
15523 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15524 MarkTargetSquares(1);
15525 CopyBoard(currentBoard, boards[0]);
15526 CopyBoard(menuBoard, initialPosition);
15527 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15528 SendToICS(ics_prefix);
15529 SendToICS("bsetup clear\n");
15530 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15531 SendToICS(ics_prefix);
15532 SendToICS("clearboard\n");
15535 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15536 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15537 for (y = 0; y < BOARD_HEIGHT; y++) {
15538 if (gameMode == IcsExamining) {
15539 if (boards[currentMove][y][x] != EmptySquare) {
15540 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15544 } else if(boards[0][y][x] != DarkSquare) {
15545 if(boards[0][y][x] != p) nonEmpty++;
15546 boards[0][y][x] = p;
15550 CopyBoard(rightsBoard, nullBoard);
15551 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15553 for(r = 0; r < BOARD_HEIGHT; r++) {
15554 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15555 ChessSquare p = menuBoard[r][x];
15556 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15559 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15560 DisplayMessage("Clicking clock again restores position", "");
15561 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15562 if(!nonEmpty) { // asked to clear an empty board
15563 CopyBoard(boards[0], menuBoard);
15565 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15566 CopyBoard(boards[0], initialPosition);
15568 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15569 && !CompareBoards(nullBoard, erasedBoard)) {
15570 CopyBoard(boards[0], erasedBoard);
15572 CopyBoard(erasedBoard, currentBoard);
15574 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15575 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15578 if (gameMode == EditPosition) {
15579 DrawPosition(FALSE, boards[0]);
15584 SetWhiteToPlayEvent();
15588 SetBlackToPlayEvent();
15592 if (gameMode == IcsExamining) {
15593 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15594 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15597 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15598 if(x == BOARD_LEFT-2) {
15599 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15600 boards[0][y][1] = 0;
15602 if(x == BOARD_RGHT+1) {
15603 if(y >= gameInfo.holdingsSize) break;
15604 boards[0][y][BOARD_WIDTH-2] = 0;
15607 boards[0][y][x] = EmptySquare;
15608 DrawPosition(FALSE, boards[0]);
15613 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15614 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15615 selection = (ChessSquare) (PROMOTED(piece));
15616 } else if(piece == EmptySquare) selection = WhiteSilver;
15617 else selection = (ChessSquare)((int)piece - 1);
15621 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15622 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15623 selection = (ChessSquare) (DEMOTED(piece));
15624 } else if(piece == EmptySquare) selection = BlackSilver;
15625 else selection = (ChessSquare)((int)piece + 1);
15630 if(gameInfo.variant == VariantShatranj ||
15631 gameInfo.variant == VariantXiangqi ||
15632 gameInfo.variant == VariantCourier ||
15633 gameInfo.variant == VariantASEAN ||
15634 gameInfo.variant == VariantMakruk )
15635 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15641 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15642 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15648 if(gameInfo.variant == VariantXiangqi)
15649 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15650 if(gameInfo.variant == VariantKnightmate)
15651 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15652 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15655 if (gameMode == IcsExamining) {
15656 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15657 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15658 PieceToChar(selection), AAA + x, ONE + y);
15661 rightsBoard[y][x] = hasRights;
15662 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15664 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15665 n = PieceToNumber(selection - BlackPawn);
15666 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15667 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15668 boards[0][BOARD_HEIGHT-1-n][1]++;
15670 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15671 n = PieceToNumber(selection);
15672 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15673 boards[0][n][BOARD_WIDTH-1] = selection;
15674 boards[0][n][BOARD_WIDTH-2]++;
15677 boards[0][y][x] = selection;
15678 DrawPosition(TRUE, boards[0]);
15680 fromX = fromY = -1;
15688 DropMenuEvent (ChessSquare selection, int x, int y)
15690 ChessMove moveType;
15692 switch (gameMode) {
15693 case IcsPlayingWhite:
15694 case MachinePlaysBlack:
15695 if (!WhiteOnMove(currentMove)) {
15696 DisplayMoveError(_("It is Black's turn"));
15699 moveType = WhiteDrop;
15701 case IcsPlayingBlack:
15702 case MachinePlaysWhite:
15703 if (WhiteOnMove(currentMove)) {
15704 DisplayMoveError(_("It is White's turn"));
15707 moveType = BlackDrop;
15710 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15716 if (moveType == BlackDrop && selection < BlackPawn) {
15717 selection = (ChessSquare) ((int) selection
15718 + (int) BlackPawn - (int) WhitePawn);
15720 if (boards[currentMove][y][x] != EmptySquare) {
15721 DisplayMoveError(_("That square is occupied"));
15725 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15731 /* Accept a pending offer of any kind from opponent */
15733 if (appData.icsActive) {
15734 SendToICS(ics_prefix);
15735 SendToICS("accept\n");
15736 } else if (cmailMsgLoaded) {
15737 if (currentMove == cmailOldMove &&
15738 commentList[cmailOldMove] != NULL &&
15739 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15740 "Black offers a draw" : "White offers a draw")) {
15742 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15743 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15745 DisplayError(_("There is no pending offer on this move"), 0);
15746 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15749 /* Not used for offers from chess program */
15756 /* Decline a pending offer of any kind from opponent */
15758 if (appData.icsActive) {
15759 SendToICS(ics_prefix);
15760 SendToICS("decline\n");
15761 } else if (cmailMsgLoaded) {
15762 if (currentMove == cmailOldMove &&
15763 commentList[cmailOldMove] != NULL &&
15764 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15765 "Black offers a draw" : "White offers a draw")) {
15767 AppendComment(cmailOldMove, "Draw declined", TRUE);
15768 DisplayComment(cmailOldMove - 1, "Draw declined");
15771 DisplayError(_("There is no pending offer on this move"), 0);
15774 /* Not used for offers from chess program */
15781 /* Issue ICS rematch command */
15782 if (appData.icsActive) {
15783 SendToICS(ics_prefix);
15784 SendToICS("rematch\n");
15791 /* Call your opponent's flag (claim a win on time) */
15792 if (appData.icsActive) {
15793 SendToICS(ics_prefix);
15794 SendToICS("flag\n");
15796 switch (gameMode) {
15799 case MachinePlaysWhite:
15802 GameEnds(GameIsDrawn, "Both players ran out of time",
15805 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15807 DisplayError(_("Your opponent is not out of time"), 0);
15810 case MachinePlaysBlack:
15813 GameEnds(GameIsDrawn, "Both players ran out of time",
15816 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15818 DisplayError(_("Your opponent is not out of time"), 0);
15826 ClockClick (int which)
15827 { // [HGM] code moved to back-end from winboard.c
15828 if(which) { // black clock
15829 if (gameMode == EditPosition || gameMode == IcsExamining) {
15830 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15831 SetBlackToPlayEvent();
15832 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15833 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15834 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15835 } else if (shiftKey) {
15836 AdjustClock(which, -1);
15837 } else if (gameMode == IcsPlayingWhite ||
15838 gameMode == MachinePlaysBlack) {
15841 } else { // white clock
15842 if (gameMode == EditPosition || gameMode == IcsExamining) {
15843 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15844 SetWhiteToPlayEvent();
15845 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15846 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15847 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15848 } else if (shiftKey) {
15849 AdjustClock(which, -1);
15850 } else if (gameMode == IcsPlayingBlack ||
15851 gameMode == MachinePlaysWhite) {
15860 /* Offer draw or accept pending draw offer from opponent */
15862 if (appData.icsActive) {
15863 /* Note: tournament rules require draw offers to be
15864 made after you make your move but before you punch
15865 your clock. Currently ICS doesn't let you do that;
15866 instead, you immediately punch your clock after making
15867 a move, but you can offer a draw at any time. */
15869 SendToICS(ics_prefix);
15870 SendToICS("draw\n");
15871 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15872 } else if (cmailMsgLoaded) {
15873 if (currentMove == cmailOldMove &&
15874 commentList[cmailOldMove] != NULL &&
15875 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15876 "Black offers a draw" : "White offers a draw")) {
15877 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15878 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15879 } else if (currentMove == cmailOldMove + 1) {
15880 char *offer = WhiteOnMove(cmailOldMove) ?
15881 "White offers a draw" : "Black offers a draw";
15882 AppendComment(currentMove, offer, TRUE);
15883 DisplayComment(currentMove - 1, offer);
15884 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15886 DisplayError(_("You must make your move before offering a draw"), 0);
15887 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15889 } else if (first.offeredDraw) {
15890 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15892 if (first.sendDrawOffers) {
15893 SendToProgram("draw\n", &first);
15894 userOfferedDraw = TRUE;
15902 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15904 if (appData.icsActive) {
15905 SendToICS(ics_prefix);
15906 SendToICS("adjourn\n");
15908 /* Currently GNU Chess doesn't offer or accept Adjourns */
15916 /* Offer Abort or accept pending Abort offer from opponent */
15918 if (appData.icsActive) {
15919 SendToICS(ics_prefix);
15920 SendToICS("abort\n");
15922 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15929 /* Resign. You can do this even if it's not your turn. */
15931 if (appData.icsActive) {
15932 SendToICS(ics_prefix);
15933 SendToICS("resign\n");
15935 switch (gameMode) {
15936 case MachinePlaysWhite:
15937 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15939 case MachinePlaysBlack:
15940 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15943 if (cmailMsgLoaded) {
15945 if (WhiteOnMove(cmailOldMove)) {
15946 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15948 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15950 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15961 StopObservingEvent ()
15963 /* Stop observing current games */
15964 SendToICS(ics_prefix);
15965 SendToICS("unobserve\n");
15969 StopExaminingEvent ()
15971 /* Stop observing current game */
15972 SendToICS(ics_prefix);
15973 SendToICS("unexamine\n");
15977 ForwardInner (int target)
15979 int limit; int oldSeekGraphUp = seekGraphUp;
15981 if (appData.debugMode)
15982 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15983 target, currentMove, forwardMostMove);
15985 if (gameMode == EditPosition)
15988 seekGraphUp = FALSE;
15989 MarkTargetSquares(1);
15990 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15992 if (gameMode == PlayFromGameFile && !pausing)
15995 if (gameMode == IcsExamining && pausing)
15996 limit = pauseExamForwardMostMove;
15998 limit = forwardMostMove;
16000 if (target > limit) target = limit;
16002 if (target > 0 && moveList[target - 1][0]) {
16003 int fromX, fromY, toX, toY;
16004 toX = moveList[target - 1][2] - AAA;
16005 toY = moveList[target - 1][3] - ONE;
16006 if (moveList[target - 1][1] == '@') {
16007 if (appData.highlightLastMove) {
16008 SetHighlights(-1, -1, toX, toY);
16011 fromX = moveList[target - 1][0] - AAA;
16012 fromY = moveList[target - 1][1] - ONE;
16013 if (target == currentMove + 1) {
16014 if(moveList[target - 1][4] == ';') { // multi-leg
16015 killX = moveList[target - 1][5] - AAA;
16016 killY = moveList[target - 1][6] - ONE;
16018 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16019 killX = killY = -1;
16021 if (appData.highlightLastMove) {
16022 SetHighlights(fromX, fromY, toX, toY);
16026 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16027 gameMode == Training || gameMode == PlayFromGameFile ||
16028 gameMode == AnalyzeFile) {
16029 while (currentMove < target) {
16030 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16031 SendMoveToProgram(currentMove++, &first);
16034 currentMove = target;
16037 if (gameMode == EditGame || gameMode == EndOfGame) {
16038 whiteTimeRemaining = timeRemaining[0][currentMove];
16039 blackTimeRemaining = timeRemaining[1][currentMove];
16041 DisplayBothClocks();
16042 DisplayMove(currentMove - 1);
16043 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16044 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16045 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16046 DisplayComment(currentMove - 1, commentList[currentMove]);
16048 ClearMap(); // [HGM] exclude: invalidate map
16055 if (gameMode == IcsExamining && !pausing) {
16056 SendToICS(ics_prefix);
16057 SendToICS("forward\n");
16059 ForwardInner(currentMove + 1);
16066 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16067 /* to optimze, we temporarily turn off analysis mode while we feed
16068 * the remaining moves to the engine. Otherwise we get analysis output
16071 if (first.analysisSupport) {
16072 SendToProgram("exit\nforce\n", &first);
16073 first.analyzing = FALSE;
16077 if (gameMode == IcsExamining && !pausing) {
16078 SendToICS(ics_prefix);
16079 SendToICS("forward 999999\n");
16081 ForwardInner(forwardMostMove);
16084 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16085 /* we have fed all the moves, so reactivate analysis mode */
16086 SendToProgram("analyze\n", &first);
16087 first.analyzing = TRUE;
16088 /*first.maybeThinking = TRUE;*/
16089 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16094 BackwardInner (int target)
16096 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16098 if (appData.debugMode)
16099 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16100 target, currentMove, forwardMostMove);
16102 if (gameMode == EditPosition) return;
16103 seekGraphUp = FALSE;
16104 MarkTargetSquares(1);
16105 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16106 if (currentMove <= backwardMostMove) {
16108 DrawPosition(full_redraw, boards[currentMove]);
16111 if (gameMode == PlayFromGameFile && !pausing)
16114 if (moveList[target][0]) {
16115 int fromX, fromY, toX, toY;
16116 toX = moveList[target][2] - AAA;
16117 toY = moveList[target][3] - ONE;
16118 if (moveList[target][1] == '@') {
16119 if (appData.highlightLastMove) {
16120 SetHighlights(-1, -1, toX, toY);
16123 fromX = moveList[target][0] - AAA;
16124 fromY = moveList[target][1] - ONE;
16125 if (target == currentMove - 1) {
16126 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16128 if (appData.highlightLastMove) {
16129 SetHighlights(fromX, fromY, toX, toY);
16133 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16134 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16135 while (currentMove > target) {
16136 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16137 // null move cannot be undone. Reload program with move history before it.
16139 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16140 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16142 SendBoard(&first, i);
16143 if(second.analyzing) SendBoard(&second, i);
16144 for(currentMove=i; currentMove<target; currentMove++) {
16145 SendMoveToProgram(currentMove, &first);
16146 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16150 SendToBoth("undo\n");
16154 currentMove = target;
16157 if (gameMode == EditGame || gameMode == EndOfGame) {
16158 whiteTimeRemaining = timeRemaining[0][currentMove];
16159 blackTimeRemaining = timeRemaining[1][currentMove];
16161 DisplayBothClocks();
16162 DisplayMove(currentMove - 1);
16163 DrawPosition(full_redraw, boards[currentMove]);
16164 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16165 // [HGM] PV info: routine tests if comment empty
16166 DisplayComment(currentMove - 1, commentList[currentMove]);
16167 ClearMap(); // [HGM] exclude: invalidate map
16173 if (gameMode == IcsExamining && !pausing) {
16174 SendToICS(ics_prefix);
16175 SendToICS("backward\n");
16177 BackwardInner(currentMove - 1);
16184 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16185 /* to optimize, we temporarily turn off analysis mode while we undo
16186 * all the moves. Otherwise we get analysis output after each undo.
16188 if (first.analysisSupport) {
16189 SendToProgram("exit\nforce\n", &first);
16190 first.analyzing = FALSE;
16194 if (gameMode == IcsExamining && !pausing) {
16195 SendToICS(ics_prefix);
16196 SendToICS("backward 999999\n");
16198 BackwardInner(backwardMostMove);
16201 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16202 /* we have fed all the moves, so reactivate analysis mode */
16203 SendToProgram("analyze\n", &first);
16204 first.analyzing = TRUE;
16205 /*first.maybeThinking = TRUE;*/
16206 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16213 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16214 if (to >= forwardMostMove) to = forwardMostMove;
16215 if (to <= backwardMostMove) to = backwardMostMove;
16216 if (to < currentMove) {
16224 RevertEvent (Boolean annotate)
16226 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16229 if (gameMode != IcsExamining) {
16230 DisplayError(_("You are not examining a game"), 0);
16234 DisplayError(_("You can't revert while pausing"), 0);
16237 SendToICS(ics_prefix);
16238 SendToICS("revert\n");
16242 RetractMoveEvent ()
16244 switch (gameMode) {
16245 case MachinePlaysWhite:
16246 case MachinePlaysBlack:
16247 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16248 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16251 if (forwardMostMove < 2) return;
16252 currentMove = forwardMostMove = forwardMostMove - 2;
16253 whiteTimeRemaining = timeRemaining[0][currentMove];
16254 blackTimeRemaining = timeRemaining[1][currentMove];
16255 DisplayBothClocks();
16256 DisplayMove(currentMove - 1);
16257 ClearHighlights();/*!! could figure this out*/
16258 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16259 SendToProgram("remove\n", &first);
16260 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16263 case BeginningOfGame:
16267 case IcsPlayingWhite:
16268 case IcsPlayingBlack:
16269 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16270 SendToICS(ics_prefix);
16271 SendToICS("takeback 2\n");
16273 SendToICS(ics_prefix);
16274 SendToICS("takeback 1\n");
16283 ChessProgramState *cps;
16285 switch (gameMode) {
16286 case MachinePlaysWhite:
16287 if (!WhiteOnMove(forwardMostMove)) {
16288 DisplayError(_("It is your turn"), 0);
16293 case MachinePlaysBlack:
16294 if (WhiteOnMove(forwardMostMove)) {
16295 DisplayError(_("It is your turn"), 0);
16300 case TwoMachinesPlay:
16301 if (WhiteOnMove(forwardMostMove) ==
16302 (first.twoMachinesColor[0] == 'w')) {
16308 case BeginningOfGame:
16312 SendToProgram("?\n", cps);
16316 TruncateGameEvent ()
16319 if (gameMode != EditGame) return;
16326 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16327 if (forwardMostMove > currentMove) {
16328 if (gameInfo.resultDetails != NULL) {
16329 free(gameInfo.resultDetails);
16330 gameInfo.resultDetails = NULL;
16331 gameInfo.result = GameUnfinished;
16333 forwardMostMove = currentMove;
16334 HistorySet(parseList, backwardMostMove, forwardMostMove,
16342 if (appData.noChessProgram) return;
16343 switch (gameMode) {
16344 case MachinePlaysWhite:
16345 if (WhiteOnMove(forwardMostMove)) {
16346 DisplayError(_("Wait until your turn."), 0);
16350 case BeginningOfGame:
16351 case MachinePlaysBlack:
16352 if (!WhiteOnMove(forwardMostMove)) {
16353 DisplayError(_("Wait until your turn."), 0);
16358 DisplayError(_("No hint available"), 0);
16361 SendToProgram("hint\n", &first);
16362 hintRequested = TRUE;
16366 SaveSelected (FILE *g, int dummy, char *dummy2)
16368 ListGame * lg = (ListGame *) gameList.head;
16372 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16373 DisplayError(_("Game list not loaded or empty"), 0);
16377 creatingBook = TRUE; // suppresses stuff during load game
16379 /* Get list size */
16380 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16381 if(lg->position >= 0) { // selected?
16382 LoadGame(f, nItem, "", TRUE);
16383 SaveGamePGN2(g); // leaves g open
16386 lg = (ListGame *) lg->node.succ;
16390 creatingBook = FALSE;
16398 ListGame * lg = (ListGame *) gameList.head;
16401 static int secondTime = FALSE;
16403 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16404 DisplayError(_("Game list not loaded or empty"), 0);
16408 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16411 DisplayNote(_("Book file exists! Try again for overwrite."));
16415 creatingBook = TRUE;
16416 secondTime = FALSE;
16418 /* Get list size */
16419 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16420 if(lg->position >= 0) {
16421 LoadGame(f, nItem, "", TRUE);
16422 AddGameToBook(TRUE);
16425 lg = (ListGame *) lg->node.succ;
16428 creatingBook = FALSE;
16435 if (appData.noChessProgram) return;
16436 switch (gameMode) {
16437 case MachinePlaysWhite:
16438 if (WhiteOnMove(forwardMostMove)) {
16439 DisplayError(_("Wait until your turn."), 0);
16443 case BeginningOfGame:
16444 case MachinePlaysBlack:
16445 if (!WhiteOnMove(forwardMostMove)) {
16446 DisplayError(_("Wait until your turn."), 0);
16451 EditPositionDone(TRUE);
16453 case TwoMachinesPlay:
16458 SendToProgram("bk\n", &first);
16459 bookOutput[0] = NULLCHAR;
16460 bookRequested = TRUE;
16466 char *tags = PGNTags(&gameInfo);
16467 TagsPopUp(tags, CmailMsg());
16471 /* end button procedures */
16474 PrintPosition (FILE *fp, int move)
16478 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16479 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16480 char c = PieceToChar(boards[move][i][j]);
16481 fputc(c == '?' ? '.' : c, fp);
16482 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16485 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16486 fprintf(fp, "white to play\n");
16488 fprintf(fp, "black to play\n");
16492 PrintOpponents (FILE *fp)
16494 if (gameInfo.white != NULL) {
16495 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16501 /* Find last component of program's own name, using some heuristics */
16503 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16506 int local = (strcmp(host, "localhost") == 0);
16507 while (!local && (p = strchr(prog, ';')) != NULL) {
16509 while (*p == ' ') p++;
16512 if (*prog == '"' || *prog == '\'') {
16513 q = strchr(prog + 1, *prog);
16515 q = strchr(prog, ' ');
16517 if (q == NULL) q = prog + strlen(prog);
16519 while (p >= prog && *p != '/' && *p != '\\') p--;
16521 if(p == prog && *p == '"') p++;
16523 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16524 memcpy(buf, p, q - p);
16525 buf[q - p] = NULLCHAR;
16533 TimeControlTagValue ()
16536 if (!appData.clockMode) {
16537 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16538 } else if (movesPerSession > 0) {
16539 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16540 } else if (timeIncrement == 0) {
16541 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16543 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16545 return StrSave(buf);
16551 /* This routine is used only for certain modes */
16552 VariantClass v = gameInfo.variant;
16553 ChessMove r = GameUnfinished;
16556 if(keepInfo) return;
16558 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16559 r = gameInfo.result;
16560 p = gameInfo.resultDetails;
16561 gameInfo.resultDetails = NULL;
16563 ClearGameInfo(&gameInfo);
16564 gameInfo.variant = v;
16566 switch (gameMode) {
16567 case MachinePlaysWhite:
16568 gameInfo.event = StrSave( appData.pgnEventHeader );
16569 gameInfo.site = StrSave(HostName());
16570 gameInfo.date = PGNDate();
16571 gameInfo.round = StrSave("-");
16572 gameInfo.white = StrSave(first.tidy);
16573 gameInfo.black = StrSave(UserName());
16574 gameInfo.timeControl = TimeControlTagValue();
16577 case MachinePlaysBlack:
16578 gameInfo.event = StrSave( appData.pgnEventHeader );
16579 gameInfo.site = StrSave(HostName());
16580 gameInfo.date = PGNDate();
16581 gameInfo.round = StrSave("-");
16582 gameInfo.white = StrSave(UserName());
16583 gameInfo.black = StrSave(first.tidy);
16584 gameInfo.timeControl = TimeControlTagValue();
16587 case TwoMachinesPlay:
16588 gameInfo.event = StrSave( appData.pgnEventHeader );
16589 gameInfo.site = StrSave(HostName());
16590 gameInfo.date = PGNDate();
16593 snprintf(buf, MSG_SIZ, "%d", roundNr);
16594 gameInfo.round = StrSave(buf);
16596 gameInfo.round = StrSave("-");
16598 if (first.twoMachinesColor[0] == 'w') {
16599 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16600 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16602 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16603 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16605 gameInfo.timeControl = TimeControlTagValue();
16609 gameInfo.event = StrSave("Edited game");
16610 gameInfo.site = StrSave(HostName());
16611 gameInfo.date = PGNDate();
16612 gameInfo.round = StrSave("-");
16613 gameInfo.white = StrSave("-");
16614 gameInfo.black = StrSave("-");
16615 gameInfo.result = r;
16616 gameInfo.resultDetails = p;
16620 gameInfo.event = StrSave("Edited position");
16621 gameInfo.site = StrSave(HostName());
16622 gameInfo.date = PGNDate();
16623 gameInfo.round = StrSave("-");
16624 gameInfo.white = StrSave("-");
16625 gameInfo.black = StrSave("-");
16628 case IcsPlayingWhite:
16629 case IcsPlayingBlack:
16634 case PlayFromGameFile:
16635 gameInfo.event = StrSave("Game from non-PGN file");
16636 gameInfo.site = StrSave(HostName());
16637 gameInfo.date = PGNDate();
16638 gameInfo.round = StrSave("-");
16639 gameInfo.white = StrSave("?");
16640 gameInfo.black = StrSave("?");
16649 ReplaceComment (int index, char *text)
16655 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16656 pvInfoList[index-1].depth == len &&
16657 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16658 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16659 while (*text == '\n') text++;
16660 len = strlen(text);
16661 while (len > 0 && text[len - 1] == '\n') len--;
16663 if (commentList[index] != NULL)
16664 free(commentList[index]);
16667 commentList[index] = NULL;
16670 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16671 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16672 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16673 commentList[index] = (char *) malloc(len + 2);
16674 strncpy(commentList[index], text, len);
16675 commentList[index][len] = '\n';
16676 commentList[index][len + 1] = NULLCHAR;
16678 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16680 commentList[index] = (char *) malloc(len + 7);
16681 safeStrCpy(commentList[index], "{\n", 3);
16682 safeStrCpy(commentList[index]+2, text, len+1);
16683 commentList[index][len+2] = NULLCHAR;
16684 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16685 strcat(commentList[index], "\n}\n");
16690 CrushCRs (char *text)
16698 if (ch == '\r') continue;
16700 } while (ch != '\0');
16704 AppendComment (int index, char *text, Boolean addBraces)
16705 /* addBraces tells if we should add {} */
16710 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16711 if(addBraces == 3) addBraces = 0; else // force appending literally
16712 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16715 while (*text == '\n') text++;
16716 len = strlen(text);
16717 while (len > 0 && text[len - 1] == '\n') len--;
16718 text[len] = NULLCHAR;
16720 if (len == 0) return;
16722 if (commentList[index] != NULL) {
16723 Boolean addClosingBrace = addBraces;
16724 old = commentList[index];
16725 oldlen = strlen(old);
16726 while(commentList[index][oldlen-1] == '\n')
16727 commentList[index][--oldlen] = NULLCHAR;
16728 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16729 safeStrCpy(commentList[index], old, oldlen + len + 6);
16731 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16732 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16733 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16734 while (*text == '\n') { text++; len--; }
16735 commentList[index][--oldlen] = NULLCHAR;
16737 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16738 else strcat(commentList[index], "\n");
16739 strcat(commentList[index], text);
16740 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16741 else strcat(commentList[index], "\n");
16743 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16745 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16746 else commentList[index][0] = NULLCHAR;
16747 strcat(commentList[index], text);
16748 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16749 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16754 FindStr (char * text, char * sub_text)
16756 char * result = strstr( text, sub_text );
16758 if( result != NULL ) {
16759 result += strlen( sub_text );
16765 /* [AS] Try to extract PV info from PGN comment */
16766 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16768 GetInfoFromComment (int index, char * text)
16770 char * sep = text, *p;
16772 if( text != NULL && index > 0 ) {
16775 int time = -1, sec = 0, deci;
16776 char * s_eval = FindStr( text, "[%eval " );
16777 char * s_emt = FindStr( text, "[%emt " );
16779 if( s_eval != NULL || s_emt != NULL ) {
16781 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16786 if( s_eval != NULL ) {
16787 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16791 if( delim != ']' ) {
16796 if( s_emt != NULL ) {
16801 /* We expect something like: [+|-]nnn.nn/dd */
16804 if(*text != '{') return text; // [HGM] braces: must be normal comment
16806 sep = strchr( text, '/' );
16807 if( sep == NULL || sep < (text+4) ) {
16812 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16813 if(p[1] == '(') { // comment starts with PV
16814 p = strchr(p, ')'); // locate end of PV
16815 if(p == NULL || sep < p+5) return text;
16816 // at this point we have something like "{(.*) +0.23/6 ..."
16817 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16818 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16819 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16821 time = -1; sec = -1; deci = -1;
16822 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16823 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16824 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16825 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16829 if( score_lo < 0 || score_lo >= 100 ) {
16833 if(sec >= 0) time = 600*time + 10*sec; else
16834 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16836 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16838 /* [HGM] PV time: now locate end of PV info */
16839 while( *++sep >= '0' && *sep <= '9'); // strip depth
16841 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16843 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16845 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16846 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16857 pvInfoList[index-1].depth = depth;
16858 pvInfoList[index-1].score = score;
16859 pvInfoList[index-1].time = 10*time; // centi-sec
16860 if(*sep == '}') *sep = 0; else *--sep = '{';
16862 while(*p++ = *sep++)
16865 } // squeeze out space between PV and comment, and return both
16871 SendToProgram (char *message, ChessProgramState *cps)
16873 int count, outCount, error;
16876 if (cps->pr == NoProc) return;
16879 if (appData.debugMode) {
16882 fprintf(debugFP, "%ld >%-6s: %s",
16883 SubtractTimeMarks(&now, &programStartTime),
16884 cps->which, message);
16886 fprintf(serverFP, "%ld >%-6s: %s",
16887 SubtractTimeMarks(&now, &programStartTime),
16888 cps->which, message), fflush(serverFP);
16891 count = strlen(message);
16892 outCount = OutputToProcess(cps->pr, message, count, &error);
16893 if (outCount < count && !exiting
16894 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16895 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16896 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16897 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16898 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16899 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16900 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16901 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16903 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16904 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16905 gameInfo.result = res;
16907 gameInfo.resultDetails = StrSave(buf);
16909 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16910 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16915 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16919 ChessProgramState *cps = (ChessProgramState *)closure;
16921 if (isr != cps->isr) return; /* Killed intentionally */
16924 RemoveInputSource(cps->isr);
16925 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16926 _(cps->which), cps->program);
16927 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16928 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16929 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16930 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16931 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16932 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16934 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16935 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16936 gameInfo.result = res;
16938 gameInfo.resultDetails = StrSave(buf);
16940 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16941 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16943 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16944 _(cps->which), cps->program);
16945 RemoveInputSource(cps->isr);
16947 /* [AS] Program is misbehaving badly... kill it */
16948 if( count == -2 ) {
16949 DestroyChildProcess( cps->pr, 9 );
16953 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16958 if ((end_str = strchr(message, '\r')) != NULL)
16959 *end_str = NULLCHAR;
16960 if ((end_str = strchr(message, '\n')) != NULL)
16961 *end_str = NULLCHAR;
16963 if (appData.debugMode) {
16964 TimeMark now; int print = 1;
16965 char *quote = ""; char c; int i;
16967 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16968 char start = message[0];
16969 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16970 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16971 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16972 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16973 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16974 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16975 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16976 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16977 sscanf(message, "hint: %c", &c)!=1 &&
16978 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16979 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16980 print = (appData.engineComments >= 2);
16982 message[0] = start; // restore original message
16986 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16987 SubtractTimeMarks(&now, &programStartTime), cps->which,
16991 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16992 SubtractTimeMarks(&now, &programStartTime), cps->which,
16994 message), fflush(serverFP);
16998 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16999 if (appData.icsEngineAnalyze) {
17000 if (strstr(message, "whisper") != NULL ||
17001 strstr(message, "kibitz") != NULL ||
17002 strstr(message, "tellics") != NULL) return;
17005 HandleMachineMove(message, cps);
17010 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17015 if( timeControl_2 > 0 ) {
17016 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17017 tc = timeControl_2;
17020 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17021 inc /= cps->timeOdds;
17022 st /= cps->timeOdds;
17024 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17027 /* Set exact time per move, normally using st command */
17028 if (cps->stKludge) {
17029 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17031 if (seconds == 0) {
17032 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17034 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17037 snprintf(buf, MSG_SIZ, "st %d\n", st);
17040 /* Set conventional or incremental time control, using level command */
17041 if (seconds == 0) {
17042 /* Note old gnuchess bug -- minutes:seconds used to not work.
17043 Fixed in later versions, but still avoid :seconds
17044 when seconds is 0. */
17045 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17047 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17048 seconds, inc/1000.);
17051 SendToProgram(buf, cps);
17053 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17054 /* Orthogonally, limit search to given depth */
17056 if (cps->sdKludge) {
17057 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17059 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17061 SendToProgram(buf, cps);
17064 if(cps->nps >= 0) { /* [HGM] nps */
17065 if(cps->supportsNPS == FALSE)
17066 cps->nps = -1; // don't use if engine explicitly says not supported!
17068 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17069 SendToProgram(buf, cps);
17074 ChessProgramState *
17076 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17078 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17079 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17085 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17087 char message[MSG_SIZ];
17090 /* Note: this routine must be called when the clocks are stopped
17091 or when they have *just* been set or switched; otherwise
17092 it will be off by the time since the current tick started.
17094 if (machineWhite) {
17095 time = whiteTimeRemaining / 10;
17096 otime = blackTimeRemaining / 10;
17098 time = blackTimeRemaining / 10;
17099 otime = whiteTimeRemaining / 10;
17101 /* [HGM] translate opponent's time by time-odds factor */
17102 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17104 if (time <= 0) time = 1;
17105 if (otime <= 0) otime = 1;
17107 snprintf(message, MSG_SIZ, "time %ld\n", time);
17108 SendToProgram(message, cps);
17110 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17111 SendToProgram(message, cps);
17115 EngineDefinedVariant (ChessProgramState *cps, int n)
17116 { // return name of n-th unknown variant that engine supports
17117 static char buf[MSG_SIZ];
17118 char *p, *s = cps->variants;
17119 if(!s) return NULL;
17120 do { // parse string from variants feature
17122 p = strchr(s, ',');
17123 if(p) *p = NULLCHAR;
17124 v = StringToVariant(s);
17125 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17126 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17127 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17128 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17129 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17130 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17131 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17134 if(n < 0) return buf;
17140 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17143 int len = strlen(name);
17146 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17148 sscanf(*p, "%d", &val);
17150 while (**p && **p != ' ')
17152 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17153 SendToProgram(buf, cps);
17160 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17163 int len = strlen(name);
17164 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17166 sscanf(*p, "%d", loc);
17167 while (**p && **p != ' ') (*p)++;
17168 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17169 SendToProgram(buf, cps);
17176 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17179 int len = strlen(name);
17180 if (strncmp((*p), name, len) == 0
17181 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17183 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
17184 FREE(*loc); *loc = malloc(len);
17185 strncpy(*loc, *p, len);
17186 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17187 while (**p && **p != '\"') (*p)++;
17188 if (**p == '\"') (*p)++;
17189 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17190 SendToProgram(buf, cps);
17197 ParseOption (Option *opt, ChessProgramState *cps)
17198 // [HGM] options: process the string that defines an engine option, and determine
17199 // name, type, default value, and allowed value range
17201 char *p, *q, buf[MSG_SIZ];
17202 int n, min = (-1)<<31, max = 1<<31, def;
17204 opt->target = &opt->value; // OK for spin/slider and checkbox
17205 if(p = strstr(opt->name, " -spin ")) {
17206 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17207 if(max < min) max = min; // enforce consistency
17208 if(def < min) def = min;
17209 if(def > max) def = max;
17214 } else if((p = strstr(opt->name, " -slider "))) {
17215 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17216 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17217 if(max < min) max = min; // enforce consistency
17218 if(def < min) def = min;
17219 if(def > max) def = max;
17223 opt->type = Spin; // Slider;
17224 } else if((p = strstr(opt->name, " -string "))) {
17225 opt->textValue = p+9;
17226 opt->type = TextBox;
17227 opt->target = &opt->textValue;
17228 } else if((p = strstr(opt->name, " -file "))) {
17229 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17230 opt->target = opt->textValue = p+7;
17231 opt->type = FileName; // FileName;
17232 opt->target = &opt->textValue;
17233 } else if((p = strstr(opt->name, " -path "))) {
17234 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17235 opt->target = opt->textValue = p+7;
17236 opt->type = PathName; // PathName;
17237 opt->target = &opt->textValue;
17238 } else if(p = strstr(opt->name, " -check ")) {
17239 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17240 opt->value = (def != 0);
17241 opt->type = CheckBox;
17242 } else if(p = strstr(opt->name, " -combo ")) {
17243 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17244 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17245 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17246 opt->value = n = 0;
17247 while(q = StrStr(q, " /// ")) {
17248 n++; *q = 0; // count choices, and null-terminate each of them
17250 if(*q == '*') { // remember default, which is marked with * prefix
17254 cps->comboList[cps->comboCnt++] = q;
17256 cps->comboList[cps->comboCnt++] = NULL;
17258 opt->type = ComboBox;
17259 } else if(p = strstr(opt->name, " -button")) {
17260 opt->type = Button;
17261 } else if(p = strstr(opt->name, " -save")) {
17262 opt->type = SaveButton;
17263 } else return FALSE;
17264 *p = 0; // terminate option name
17265 // now look if the command-line options define a setting for this engine option.
17266 if(cps->optionSettings && cps->optionSettings[0])
17267 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17268 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17269 snprintf(buf, MSG_SIZ, "option %s", p);
17270 if(p = strstr(buf, ",")) *p = 0;
17271 if(q = strchr(buf, '=')) switch(opt->type) {
17273 for(n=0; n<opt->max; n++)
17274 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17277 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17281 opt->value = atoi(q+1);
17286 SendToProgram(buf, cps);
17288 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17289 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17294 FeatureDone (ChessProgramState *cps, int val)
17296 DelayedEventCallback cb = GetDelayedEvent();
17297 if ((cb == InitBackEnd3 && cps == &first) ||
17298 (cb == SettingsMenuIfReady && cps == &second) ||
17299 (cb == LoadEngine) ||
17300 (cb == TwoMachinesEventIfReady)) {
17301 CancelDelayedEvent();
17302 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17303 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17304 cps->initDone = val;
17305 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17308 /* Parse feature command from engine */
17310 ParseFeatures (char *args, ChessProgramState *cps)
17318 while (*p == ' ') p++;
17319 if (*p == NULLCHAR) return;
17321 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17322 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17323 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17324 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17325 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17326 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17327 if (BoolFeature(&p, "reuse", &val, cps)) {
17328 /* Engine can disable reuse, but can't enable it if user said no */
17329 if (!val) cps->reuse = FALSE;
17332 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17333 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17334 if (gameMode == TwoMachinesPlay) {
17335 DisplayTwoMachinesTitle();
17341 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17342 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17343 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17344 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17345 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17346 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17347 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17348 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17349 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17350 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17351 if (IntFeature(&p, "done", &val, cps)) {
17352 FeatureDone(cps, val);
17355 /* Added by Tord: */
17356 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17357 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17358 /* End of additions by Tord */
17360 /* [HGM] added features: */
17361 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17362 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17363 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17364 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17365 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17366 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17367 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17368 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17369 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17370 FREE(cps->option[cps->nrOptions].name);
17371 cps->option[cps->nrOptions].name = q; q = NULL;
17372 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17373 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17374 SendToProgram(buf, cps);
17377 if(cps->nrOptions >= MAX_OPTIONS) {
17379 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17380 DisplayError(buf, 0);
17384 /* End of additions by HGM */
17386 /* unknown feature: complain and skip */
17388 while (*q && *q != '=') q++;
17389 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17390 SendToProgram(buf, cps);
17396 while (*p && *p != '\"') p++;
17397 if (*p == '\"') p++;
17399 while (*p && *p != ' ') p++;
17407 PeriodicUpdatesEvent (int newState)
17409 if (newState == appData.periodicUpdates)
17412 appData.periodicUpdates=newState;
17414 /* Display type changes, so update it now */
17415 // DisplayAnalysis();
17417 /* Get the ball rolling again... */
17419 AnalysisPeriodicEvent(1);
17420 StartAnalysisClock();
17425 PonderNextMoveEvent (int newState)
17427 if (newState == appData.ponderNextMove) return;
17428 if (gameMode == EditPosition) EditPositionDone(TRUE);
17430 SendToProgram("hard\n", &first);
17431 if (gameMode == TwoMachinesPlay) {
17432 SendToProgram("hard\n", &second);
17435 SendToProgram("easy\n", &first);
17436 thinkOutput[0] = NULLCHAR;
17437 if (gameMode == TwoMachinesPlay) {
17438 SendToProgram("easy\n", &second);
17441 appData.ponderNextMove = newState;
17445 NewSettingEvent (int option, int *feature, char *command, int value)
17449 if (gameMode == EditPosition) EditPositionDone(TRUE);
17450 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17451 if(feature == NULL || *feature) SendToProgram(buf, &first);
17452 if (gameMode == TwoMachinesPlay) {
17453 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17458 ShowThinkingEvent ()
17459 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17461 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17462 int newState = appData.showThinking
17463 // [HGM] thinking: other features now need thinking output as well
17464 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17466 if (oldState == newState) return;
17467 oldState = newState;
17468 if (gameMode == EditPosition) EditPositionDone(TRUE);
17470 SendToProgram("post\n", &first);
17471 if (gameMode == TwoMachinesPlay) {
17472 SendToProgram("post\n", &second);
17475 SendToProgram("nopost\n", &first);
17476 thinkOutput[0] = NULLCHAR;
17477 if (gameMode == TwoMachinesPlay) {
17478 SendToProgram("nopost\n", &second);
17481 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17485 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17487 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17488 if (pr == NoProc) return;
17489 AskQuestion(title, question, replyPrefix, pr);
17493 TypeInEvent (char firstChar)
17495 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17496 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17497 gameMode == AnalyzeMode || gameMode == EditGame ||
17498 gameMode == EditPosition || gameMode == IcsExamining ||
17499 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17500 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17501 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17502 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17503 gameMode == Training) PopUpMoveDialog(firstChar);
17507 TypeInDoneEvent (char *move)
17510 int n, fromX, fromY, toX, toY;
17512 ChessMove moveType;
17515 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17516 EditPositionPasteFEN(move);
17519 // [HGM] movenum: allow move number to be typed in any mode
17520 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17524 // undocumented kludge: allow command-line option to be typed in!
17525 // (potentially fatal, and does not implement the effect of the option.)
17526 // should only be used for options that are values on which future decisions will be made,
17527 // and definitely not on options that would be used during initialization.
17528 if(strstr(move, "!!! -") == move) {
17529 ParseArgsFromString(move+4);
17533 if (gameMode != EditGame && currentMove != forwardMostMove &&
17534 gameMode != Training) {
17535 DisplayMoveError(_("Displayed move is not current"));
17537 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17538 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17539 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17540 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17541 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17542 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17544 DisplayMoveError(_("Could not parse move"));
17550 DisplayMove (int moveNumber)
17552 char message[MSG_SIZ];
17554 char cpThinkOutput[MSG_SIZ];
17556 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17558 if (moveNumber == forwardMostMove - 1 ||
17559 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17561 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17563 if (strchr(cpThinkOutput, '\n')) {
17564 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17567 *cpThinkOutput = NULLCHAR;
17570 /* [AS] Hide thinking from human user */
17571 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17572 *cpThinkOutput = NULLCHAR;
17573 if( thinkOutput[0] != NULLCHAR ) {
17576 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17577 cpThinkOutput[i] = '.';
17579 cpThinkOutput[i] = NULLCHAR;
17580 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17584 if (moveNumber == forwardMostMove - 1 &&
17585 gameInfo.resultDetails != NULL) {
17586 if (gameInfo.resultDetails[0] == NULLCHAR) {
17587 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17589 snprintf(res, MSG_SIZ, " {%s} %s",
17590 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17596 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17597 DisplayMessage(res, cpThinkOutput);
17599 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17600 WhiteOnMove(moveNumber) ? " " : ".. ",
17601 parseList[moveNumber], res);
17602 DisplayMessage(message, cpThinkOutput);
17607 DisplayComment (int moveNumber, char *text)
17609 char title[MSG_SIZ];
17611 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17612 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17614 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17615 WhiteOnMove(moveNumber) ? " " : ".. ",
17616 parseList[moveNumber]);
17618 if (text != NULL && (appData.autoDisplayComment || commentUp))
17619 CommentPopUp(title, text);
17622 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17623 * might be busy thinking or pondering. It can be omitted if your
17624 * gnuchess is configured to stop thinking immediately on any user
17625 * input. However, that gnuchess feature depends on the FIONREAD
17626 * ioctl, which does not work properly on some flavors of Unix.
17629 Attention (ChessProgramState *cps)
17632 if (!cps->useSigint) return;
17633 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17634 switch (gameMode) {
17635 case MachinePlaysWhite:
17636 case MachinePlaysBlack:
17637 case TwoMachinesPlay:
17638 case IcsPlayingWhite:
17639 case IcsPlayingBlack:
17642 /* Skip if we know it isn't thinking */
17643 if (!cps->maybeThinking) return;
17644 if (appData.debugMode)
17645 fprintf(debugFP, "Interrupting %s\n", cps->which);
17646 InterruptChildProcess(cps->pr);
17647 cps->maybeThinking = FALSE;
17652 #endif /*ATTENTION*/
17658 if (whiteTimeRemaining <= 0) {
17661 if (appData.icsActive) {
17662 if (appData.autoCallFlag &&
17663 gameMode == IcsPlayingBlack && !blackFlag) {
17664 SendToICS(ics_prefix);
17665 SendToICS("flag\n");
17669 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17671 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17672 if (appData.autoCallFlag) {
17673 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17680 if (blackTimeRemaining <= 0) {
17683 if (appData.icsActive) {
17684 if (appData.autoCallFlag &&
17685 gameMode == IcsPlayingWhite && !whiteFlag) {
17686 SendToICS(ics_prefix);
17687 SendToICS("flag\n");
17691 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17693 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17694 if (appData.autoCallFlag) {
17695 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17706 CheckTimeControl ()
17708 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17709 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17712 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17714 if ( !WhiteOnMove(forwardMostMove) ) {
17715 /* White made time control */
17716 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17717 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17718 /* [HGM] time odds: correct new time quota for time odds! */
17719 / WhitePlayer()->timeOdds;
17720 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17722 lastBlack -= blackTimeRemaining;
17723 /* Black made time control */
17724 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17725 / WhitePlayer()->other->timeOdds;
17726 lastWhite = whiteTimeRemaining;
17731 DisplayBothClocks ()
17733 int wom = gameMode == EditPosition ?
17734 !blackPlaysFirst : WhiteOnMove(currentMove);
17735 DisplayWhiteClock(whiteTimeRemaining, wom);
17736 DisplayBlackClock(blackTimeRemaining, !wom);
17740 /* Timekeeping seems to be a portability nightmare. I think everyone
17741 has ftime(), but I'm really not sure, so I'm including some ifdefs
17742 to use other calls if you don't. Clocks will be less accurate if
17743 you have neither ftime nor gettimeofday.
17746 /* VS 2008 requires the #include outside of the function */
17747 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17748 #include <sys/timeb.h>
17751 /* Get the current time as a TimeMark */
17753 GetTimeMark (TimeMark *tm)
17755 #if HAVE_GETTIMEOFDAY
17757 struct timeval timeVal;
17758 struct timezone timeZone;
17760 gettimeofday(&timeVal, &timeZone);
17761 tm->sec = (long) timeVal.tv_sec;
17762 tm->ms = (int) (timeVal.tv_usec / 1000L);
17764 #else /*!HAVE_GETTIMEOFDAY*/
17767 // include <sys/timeb.h> / moved to just above start of function
17768 struct timeb timeB;
17771 tm->sec = (long) timeB.time;
17772 tm->ms = (int) timeB.millitm;
17774 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17775 tm->sec = (long) time(NULL);
17781 /* Return the difference in milliseconds between two
17782 time marks. We assume the difference will fit in a long!
17785 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17787 return 1000L*(tm2->sec - tm1->sec) +
17788 (long) (tm2->ms - tm1->ms);
17793 * Code to manage the game clocks.
17795 * In tournament play, black starts the clock and then white makes a move.
17796 * We give the human user a slight advantage if he is playing white---the
17797 * clocks don't run until he makes his first move, so it takes zero time.
17798 * Also, we don't account for network lag, so we could get out of sync
17799 * with GNU Chess's clock -- but then, referees are always right.
17802 static TimeMark tickStartTM;
17803 static long intendedTickLength;
17806 NextTickLength (long timeRemaining)
17808 long nominalTickLength, nextTickLength;
17810 if (timeRemaining > 0L && timeRemaining <= 10000L)
17811 nominalTickLength = 100L;
17813 nominalTickLength = 1000L;
17814 nextTickLength = timeRemaining % nominalTickLength;
17815 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17817 return nextTickLength;
17820 /* Adjust clock one minute up or down */
17822 AdjustClock (Boolean which, int dir)
17824 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17825 if(which) blackTimeRemaining += 60000*dir;
17826 else whiteTimeRemaining += 60000*dir;
17827 DisplayBothClocks();
17828 adjustedClock = TRUE;
17831 /* Stop clocks and reset to a fresh time control */
17835 (void) StopClockTimer();
17836 if (appData.icsActive) {
17837 whiteTimeRemaining = blackTimeRemaining = 0;
17838 } else if (searchTime) {
17839 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17840 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17841 } else { /* [HGM] correct new time quote for time odds */
17842 whiteTC = blackTC = fullTimeControlString;
17843 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17844 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17846 if (whiteFlag || blackFlag) {
17848 whiteFlag = blackFlag = FALSE;
17850 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17851 DisplayBothClocks();
17852 adjustedClock = FALSE;
17855 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17857 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17859 /* Decrement running clock by amount of time that has passed */
17864 long lastTickLength, fudge;
17867 if (!appData.clockMode) return;
17868 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17872 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17874 /* Fudge if we woke up a little too soon */
17875 fudge = intendedTickLength - lastTickLength;
17876 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17878 if (WhiteOnMove(forwardMostMove)) {
17879 if(whiteNPS >= 0) lastTickLength = 0;
17880 tRemaining = whiteTimeRemaining -= lastTickLength;
17881 if( tRemaining < 0 && !appData.icsActive) {
17882 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17883 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17884 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17885 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17888 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17889 DisplayWhiteClock(whiteTimeRemaining - fudge,
17890 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17893 if(blackNPS >= 0) lastTickLength = 0;
17894 tRemaining = blackTimeRemaining -= lastTickLength;
17895 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17896 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17898 blackStartMove = forwardMostMove;
17899 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17902 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17903 DisplayBlackClock(blackTimeRemaining - fudge,
17904 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17907 if (CheckFlags()) return;
17909 if(twoBoards) { // count down secondary board's clocks as well
17910 activePartnerTime -= lastTickLength;
17912 if(activePartner == 'W')
17913 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17915 DisplayBlackClock(activePartnerTime, TRUE);
17920 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17921 StartClockTimer(intendedTickLength);
17923 /* if the time remaining has fallen below the alarm threshold, sound the
17924 * alarm. if the alarm has sounded and (due to a takeback or time control
17925 * with increment) the time remaining has increased to a level above the
17926 * threshold, reset the alarm so it can sound again.
17929 if (appData.icsActive && appData.icsAlarm) {
17931 /* make sure we are dealing with the user's clock */
17932 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17933 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17936 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17937 alarmSounded = FALSE;
17938 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17940 alarmSounded = TRUE;
17946 /* A player has just moved, so stop the previously running
17947 clock and (if in clock mode) start the other one.
17948 We redisplay both clocks in case we're in ICS mode, because
17949 ICS gives us an update to both clocks after every move.
17950 Note that this routine is called *after* forwardMostMove
17951 is updated, so the last fractional tick must be subtracted
17952 from the color that is *not* on move now.
17955 SwitchClocks (int newMoveNr)
17957 long lastTickLength;
17959 int flagged = FALSE;
17963 if (StopClockTimer() && appData.clockMode) {
17964 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17965 if (!WhiteOnMove(forwardMostMove)) {
17966 if(blackNPS >= 0) lastTickLength = 0;
17967 blackTimeRemaining -= lastTickLength;
17968 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17969 // if(pvInfoList[forwardMostMove].time == -1)
17970 pvInfoList[forwardMostMove].time = // use GUI time
17971 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17973 if(whiteNPS >= 0) lastTickLength = 0;
17974 whiteTimeRemaining -= lastTickLength;
17975 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17976 // if(pvInfoList[forwardMostMove].time == -1)
17977 pvInfoList[forwardMostMove].time =
17978 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17980 flagged = CheckFlags();
17982 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17983 CheckTimeControl();
17985 if (flagged || !appData.clockMode) return;
17987 switch (gameMode) {
17988 case MachinePlaysBlack:
17989 case MachinePlaysWhite:
17990 case BeginningOfGame:
17991 if (pausing) return;
17995 case PlayFromGameFile:
18003 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18004 if(WhiteOnMove(forwardMostMove))
18005 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18006 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18010 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18011 whiteTimeRemaining : blackTimeRemaining);
18012 StartClockTimer(intendedTickLength);
18016 /* Stop both clocks */
18020 long lastTickLength;
18023 if (!StopClockTimer()) return;
18024 if (!appData.clockMode) return;
18028 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18029 if (WhiteOnMove(forwardMostMove)) {
18030 if(whiteNPS >= 0) lastTickLength = 0;
18031 whiteTimeRemaining -= lastTickLength;
18032 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18034 if(blackNPS >= 0) lastTickLength = 0;
18035 blackTimeRemaining -= lastTickLength;
18036 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18041 /* Start clock of player on move. Time may have been reset, so
18042 if clock is already running, stop and restart it. */
18046 (void) StopClockTimer(); /* in case it was running already */
18047 DisplayBothClocks();
18048 if (CheckFlags()) return;
18050 if (!appData.clockMode) return;
18051 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18053 GetTimeMark(&tickStartTM);
18054 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18055 whiteTimeRemaining : blackTimeRemaining);
18057 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18058 whiteNPS = blackNPS = -1;
18059 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18060 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18061 whiteNPS = first.nps;
18062 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18063 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18064 blackNPS = first.nps;
18065 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18066 whiteNPS = second.nps;
18067 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18068 blackNPS = second.nps;
18069 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18071 StartClockTimer(intendedTickLength);
18075 TimeString (long ms)
18077 long second, minute, hour, day;
18079 static char buf[40], moveTime[8];
18081 if (ms > 0 && ms <= 9900) {
18082 /* convert milliseconds to tenths, rounding up */
18083 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18085 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18089 /* convert milliseconds to seconds, rounding up */
18090 /* use floating point to avoid strangeness of integer division
18091 with negative dividends on many machines */
18092 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18099 day = second / (60 * 60 * 24);
18100 second = second % (60 * 60 * 24);
18101 hour = second / (60 * 60);
18102 second = second % (60 * 60);
18103 minute = second / 60;
18104 second = second % 60;
18106 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18107 else *moveTime = NULLCHAR;
18110 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18111 sign, day, hour, minute, second, moveTime);
18113 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18115 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18122 * This is necessary because some C libraries aren't ANSI C compliant yet.
18125 StrStr (char *string, char *match)
18129 length = strlen(match);
18131 for (i = strlen(string) - length; i >= 0; i--, string++)
18132 if (!strncmp(match, string, length))
18139 StrCaseStr (char *string, char *match)
18143 length = strlen(match);
18145 for (i = strlen(string) - length; i >= 0; i--, string++) {
18146 for (j = 0; j < length; j++) {
18147 if (ToLower(match[j]) != ToLower(string[j]))
18150 if (j == length) return string;
18158 StrCaseCmp (char *s1, char *s2)
18163 c1 = ToLower(*s1++);
18164 c2 = ToLower(*s2++);
18165 if (c1 > c2) return 1;
18166 if (c1 < c2) return -1;
18167 if (c1 == NULLCHAR) return 0;
18175 return isupper(c) ? tolower(c) : c;
18182 return islower(c) ? toupper(c) : c;
18184 #endif /* !_amigados */
18191 if ((ret = (char *) malloc(strlen(s) + 1)))
18193 safeStrCpy(ret, s, strlen(s)+1);
18199 StrSavePtr (char *s, char **savePtr)
18204 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18205 safeStrCpy(*savePtr, s, strlen(s)+1);
18217 clock = time((time_t *)NULL);
18218 tm = localtime(&clock);
18219 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18220 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18221 return StrSave(buf);
18226 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18228 int i, j, fromX, fromY, toX, toY;
18229 int whiteToPlay, haveRights = nrCastlingRights;
18235 whiteToPlay = (gameMode == EditPosition) ?
18236 !blackPlaysFirst : (move % 2 == 0);
18239 /* Piece placement data */
18240 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18241 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18243 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18244 if (boards[move][i][j] == EmptySquare) {
18246 } else { ChessSquare piece = boards[move][i][j];
18247 if (emptycount > 0) {
18248 if(emptycount<10) /* [HGM] can be >= 10 */
18249 *p++ = '0' + emptycount;
18250 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18253 if(PieceToChar(piece) == '+') {
18254 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18256 piece = (ChessSquare)(CHUDEMOTED(piece));
18258 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18259 if(*p = PieceSuffix(piece)) p++;
18261 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18262 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18267 if (emptycount > 0) {
18268 if(emptycount<10) /* [HGM] can be >= 10 */
18269 *p++ = '0' + emptycount;
18270 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18277 /* [HGM] print Crazyhouse or Shogi holdings */
18278 if( gameInfo.holdingsWidth ) {
18279 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18281 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18282 piece = boards[move][i][BOARD_WIDTH-1];
18283 if( piece != EmptySquare )
18284 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18285 *p++ = PieceToChar(piece);
18287 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18288 piece = boards[move][BOARD_HEIGHT-i-1][0];
18289 if( piece != EmptySquare )
18290 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18291 *p++ = PieceToChar(piece);
18294 if( q == p ) *p++ = '-';
18300 *p++ = whiteToPlay ? 'w' : 'b';
18303 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18304 haveRights = 0; q = p;
18305 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18306 piece = boards[move][0][i];
18307 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18308 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18311 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18312 piece = boards[move][BOARD_HEIGHT-1][i];
18313 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18314 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18317 if(p == q) *p++ = '-';
18321 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18324 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18327 int handW=0, handB=0;
18328 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18329 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18330 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18333 if(appData.fischerCastling) {
18334 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18335 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18336 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18338 /* [HGM] write directly from rights */
18339 if(boards[move][CASTLING][2] != NoRights &&
18340 boards[move][CASTLING][0] != NoRights )
18341 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18342 if(boards[move][CASTLING][2] != NoRights &&
18343 boards[move][CASTLING][1] != NoRights )
18344 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18347 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18348 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18350 if(boards[move][CASTLING][5] != NoRights &&
18351 boards[move][CASTLING][3] != NoRights )
18352 *p++ = boards[move][CASTLING][3] + AAA;
18353 if(boards[move][CASTLING][5] != NoRights &&
18354 boards[move][CASTLING][4] != NoRights )
18355 *p++ = boards[move][CASTLING][4] + AAA;
18359 /* [HGM] write true castling rights */
18360 if( nrCastlingRights == 6 ) {
18362 if(boards[move][CASTLING][0] != NoRights &&
18363 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18364 q = (boards[move][CASTLING][1] != NoRights &&
18365 boards[move][CASTLING][2] != NoRights );
18366 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18367 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18368 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18369 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18373 if(boards[move][CASTLING][3] != NoRights &&
18374 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18375 q = (boards[move][CASTLING][4] != NoRights &&
18376 boards[move][CASTLING][5] != NoRights );
18378 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18379 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18380 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18385 if (q == p) *p++ = '-'; /* No castling rights */
18389 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18390 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18391 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18392 /* En passant target square */
18393 if (move > backwardMostMove) {
18394 fromX = moveList[move - 1][0] - AAA;
18395 fromY = moveList[move - 1][1] - ONE;
18396 toX = moveList[move - 1][2] - AAA;
18397 toY = moveList[move - 1][3] - ONE;
18398 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18399 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18400 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18402 /* 2-square pawn move just happened */
18404 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18408 } else if(move == backwardMostMove) {
18409 // [HGM] perhaps we should always do it like this, and forget the above?
18410 if((signed char)boards[move][EP_STATUS] >= 0) {
18411 *p++ = boards[move][EP_STATUS] + AAA;
18412 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18424 { int i = 0, j=move;
18426 /* [HGM] find reversible plies */
18427 if (appData.debugMode) { int k;
18428 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18429 for(k=backwardMostMove; k<=forwardMostMove; k++)
18430 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18434 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18435 if( j == backwardMostMove ) i += initialRulePlies;
18436 sprintf(p, "%d ", i);
18437 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18439 /* Fullmove number */
18440 sprintf(p, "%d", (move / 2) + 1);
18441 } else *--p = NULLCHAR;
18443 return StrSave(buf);
18447 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18449 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18451 int emptycount, virgin[BOARD_FILES];
18452 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18456 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18458 /* Piece placement data */
18459 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18462 if (*p == '/' || *p == ' ' || *p == '[' ) {
18464 emptycount = gameInfo.boardWidth - j;
18465 while (emptycount--)
18466 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18467 if (*p == '/') p++;
18468 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18469 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18470 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18472 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18475 #if(BOARD_FILES >= 10)*0
18476 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18477 p++; emptycount=10;
18478 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18479 while (emptycount--)
18480 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18482 } else if (*p == '*') {
18483 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18484 } else if (isdigit(*p)) {
18485 emptycount = *p++ - '0';
18486 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18487 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18488 while (emptycount--)
18489 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18490 } else if (*p == '<') {
18491 if(i == BOARD_HEIGHT-1) shuffle = 1;
18492 else if (i != 0 || !shuffle) return FALSE;
18494 } else if (shuffle && *p == '>') {
18495 p++; // for now ignore closing shuffle range, and assume rank-end
18496 } else if (*p == '?') {
18497 if (j >= gameInfo.boardWidth) return FALSE;
18498 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18499 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18500 } else if (*p == '+' || isalpha(*p)) {
18501 char *q, *s = SUFFIXES;
18502 if (j >= gameInfo.boardWidth) return FALSE;
18505 if(q = strchr(s, p[1])) p++;
18506 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18507 if(piece == EmptySquare) return FALSE; /* unknown piece */
18508 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18509 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18512 if(q = strchr(s, *p)) p++;
18513 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18516 if(piece==EmptySquare) return FALSE; /* unknown piece */
18517 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18518 piece = (ChessSquare) (PROMOTED(piece));
18519 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18522 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18523 if(piece == king) wKingRank = i;
18524 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18530 while (*p == '/' || *p == ' ') p++;
18532 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18534 /* [HGM] by default clear Crazyhouse holdings, if present */
18535 if(gameInfo.holdingsWidth) {
18536 for(i=0; i<BOARD_HEIGHT; i++) {
18537 board[i][0] = EmptySquare; /* black holdings */
18538 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18539 board[i][1] = (ChessSquare) 0; /* black counts */
18540 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18544 /* [HGM] look for Crazyhouse holdings here */
18545 while(*p==' ') p++;
18546 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18547 int swap=0, wcnt=0, bcnt=0;
18549 if(*p == '<') swap++, p++;
18550 if(*p == '-' ) p++; /* empty holdings */ else {
18551 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18552 /* if we would allow FEN reading to set board size, we would */
18553 /* have to add holdings and shift the board read so far here */
18554 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18556 if((int) piece >= (int) BlackPawn ) {
18557 i = (int)piece - (int)BlackPawn;
18558 i = PieceToNumber((ChessSquare)i);
18559 if( i >= gameInfo.holdingsSize ) return FALSE;
18560 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18561 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18564 i = (int)piece - (int)WhitePawn;
18565 i = PieceToNumber((ChessSquare)i);
18566 if( i >= gameInfo.holdingsSize ) return FALSE;
18567 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18568 board[i][BOARD_WIDTH-2]++; /* black holdings */
18572 if(subst) { // substitute back-rank question marks by holdings pieces
18573 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18574 int k, m, n = bcnt + 1;
18575 if(board[0][j] == ClearBoard) {
18576 if(!wcnt) return FALSE;
18578 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18579 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18580 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18584 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18585 if(!bcnt) return FALSE;
18586 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18587 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18588 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18589 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18600 if(subst) return FALSE; // substitution requested, but no holdings
18602 while(*p == ' ') p++;
18606 if(appData.colorNickNames) {
18607 if( c == appData.colorNickNames[0] ) c = 'w'; else
18608 if( c == appData.colorNickNames[1] ) c = 'b';
18612 *blackPlaysFirst = FALSE;
18615 *blackPlaysFirst = TRUE;
18621 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18622 /* return the extra info in global variiables */
18624 while(*p==' ') p++;
18626 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18627 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18628 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18631 /* set defaults in case FEN is incomplete */
18632 board[EP_STATUS] = EP_UNKNOWN;
18633 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18634 for(i=0; i<nrCastlingRights; i++ ) {
18635 board[CASTLING][i] =
18636 appData.fischerCastling ? NoRights : initialRights[i];
18637 } /* assume possible unless obviously impossible */
18638 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18639 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18640 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18641 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18642 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18643 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18644 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18645 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18648 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18651 while(isalpha(*p)) {
18652 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18653 if(islower(*p)) b |= 1 << (*p++ - 'a');
18657 board[TOUCHED_W] = ~w;
18658 board[TOUCHED_B] = ~b;
18659 while(*p == ' ') p++;
18663 if(nrCastlingRights) {
18665 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18666 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18667 /* castling indicator present, so default becomes no castlings */
18668 for(i=0; i<nrCastlingRights; i++ ) {
18669 board[CASTLING][i] = NoRights;
18672 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18673 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18674 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18675 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18676 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18678 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18679 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18680 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18682 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18683 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18684 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18685 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18686 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18687 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18690 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18691 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18692 board[CASTLING][2] = whiteKingFile;
18693 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18694 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18695 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18698 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18699 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18700 board[CASTLING][2] = whiteKingFile;
18701 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18702 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18703 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18706 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18707 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18708 board[CASTLING][5] = blackKingFile;
18709 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18710 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18711 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18714 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18715 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18716 board[CASTLING][5] = blackKingFile;
18717 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18718 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18719 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18722 default: /* FRC castlings */
18723 if(c >= 'a') { /* black rights */
18724 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18725 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18726 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18727 if(i == BOARD_RGHT) break;
18728 board[CASTLING][5] = i;
18730 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18731 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18733 board[CASTLING][3] = c;
18735 board[CASTLING][4] = c;
18736 } else { /* white rights */
18737 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18738 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18739 if(board[0][i] == WhiteKing) break;
18740 if(i == BOARD_RGHT) break;
18741 board[CASTLING][2] = i;
18742 c -= AAA - 'a' + 'A';
18743 if(board[0][c] >= WhiteKing) break;
18745 board[CASTLING][0] = c;
18747 board[CASTLING][1] = c;
18751 for(i=0; i<nrCastlingRights; i++)
18752 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18753 if(gameInfo.variant == VariantSChess)
18754 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18755 if(fischer && shuffle) appData.fischerCastling = TRUE;
18756 if (appData.debugMode) {
18757 fprintf(debugFP, "FEN castling rights:");
18758 for(i=0; i<nrCastlingRights; i++)
18759 fprintf(debugFP, " %d", board[CASTLING][i]);
18760 fprintf(debugFP, "\n");
18763 while(*p==' ') p++;
18766 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18768 /* read e.p. field in games that know e.p. capture */
18769 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18770 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18771 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18773 p++; board[EP_STATUS] = EP_NONE;
18775 char c = *p++ - AAA;
18777 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18778 if(*p >= '0' && *p <='9') p++;
18779 board[EP_STATUS] = c;
18784 if(sscanf(p, "%d", &i) == 1) {
18785 FENrulePlies = i; /* 50-move ply counter */
18786 /* (The move number is still ignored) */
18793 EditPositionPasteFEN (char *fen)
18796 Board initial_position;
18798 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18799 DisplayError(_("Bad FEN position in clipboard"), 0);
18802 int savedBlackPlaysFirst = blackPlaysFirst;
18803 EditPositionEvent();
18804 blackPlaysFirst = savedBlackPlaysFirst;
18805 CopyBoard(boards[0], initial_position);
18806 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18807 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18808 DisplayBothClocks();
18809 DrawPosition(FALSE, boards[currentMove]);
18814 static char cseq[12] = "\\ ";
18817 set_cont_sequence (char *new_seq)
18822 // handle bad attempts to set the sequence
18824 return 0; // acceptable error - no debug
18826 len = strlen(new_seq);
18827 ret = (len > 0) && (len < sizeof(cseq));
18829 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18830 else if (appData.debugMode)
18831 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18836 reformat a source message so words don't cross the width boundary. internal
18837 newlines are not removed. returns the wrapped size (no null character unless
18838 included in source message). If dest is NULL, only calculate the size required
18839 for the dest buffer. lp argument indicats line position upon entry, and it's
18840 passed back upon exit.
18843 wrap (char *dest, char *src, int count, int width, int *lp)
18845 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18847 cseq_len = strlen(cseq);
18848 old_line = line = *lp;
18849 ansi = len = clen = 0;
18851 for (i=0; i < count; i++)
18853 if (src[i] == '\033')
18856 // if we hit the width, back up
18857 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18859 // store i & len in case the word is too long
18860 old_i = i, old_len = len;
18862 // find the end of the last word
18863 while (i && src[i] != ' ' && src[i] != '\n')
18869 // word too long? restore i & len before splitting it
18870 if ((old_i-i+clen) >= width)
18877 if (i && src[i-1] == ' ')
18880 if (src[i] != ' ' && src[i] != '\n')
18887 // now append the newline and continuation sequence
18892 strncpy(dest+len, cseq, cseq_len);
18900 dest[len] = src[i];
18904 if (src[i] == '\n')
18909 if (dest && appData.debugMode)
18911 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18912 count, width, line, len, *lp);
18913 show_bytes(debugFP, src, count);
18914 fprintf(debugFP, "\ndest: ");
18915 show_bytes(debugFP, dest, len);
18916 fprintf(debugFP, "\n");
18918 *lp = dest ? line : old_line;
18923 // [HGM] vari: routines for shelving variations
18924 Boolean modeRestore = FALSE;
18927 PushInner (int firstMove, int lastMove)
18929 int i, j, nrMoves = lastMove - firstMove;
18931 // push current tail of game on stack
18932 savedResult[storedGames] = gameInfo.result;
18933 savedDetails[storedGames] = gameInfo.resultDetails;
18934 gameInfo.resultDetails = NULL;
18935 savedFirst[storedGames] = firstMove;
18936 savedLast [storedGames] = lastMove;
18937 savedFramePtr[storedGames] = framePtr;
18938 framePtr -= nrMoves; // reserve space for the boards
18939 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18940 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18941 for(j=0; j<MOVE_LEN; j++)
18942 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18943 for(j=0; j<2*MOVE_LEN; j++)
18944 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18945 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18946 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18947 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18948 pvInfoList[firstMove+i-1].depth = 0;
18949 commentList[framePtr+i] = commentList[firstMove+i];
18950 commentList[firstMove+i] = NULL;
18954 forwardMostMove = firstMove; // truncate game so we can start variation
18958 PushTail (int firstMove, int lastMove)
18960 if(appData.icsActive) { // only in local mode
18961 forwardMostMove = currentMove; // mimic old ICS behavior
18964 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18966 PushInner(firstMove, lastMove);
18967 if(storedGames == 1) GreyRevert(FALSE);
18968 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18972 PopInner (Boolean annotate)
18975 char buf[8000], moveBuf[20];
18977 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18978 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18979 nrMoves = savedLast[storedGames] - currentMove;
18982 if(!WhiteOnMove(currentMove))
18983 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18984 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18985 for(i=currentMove; i<forwardMostMove; i++) {
18987 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18988 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18989 strcat(buf, moveBuf);
18990 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18991 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18995 for(i=1; i<=nrMoves; i++) { // copy last variation back
18996 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18997 for(j=0; j<MOVE_LEN; j++)
18998 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18999 for(j=0; j<2*MOVE_LEN; j++)
19000 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19001 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19002 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19003 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19004 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19005 commentList[currentMove+i] = commentList[framePtr+i];
19006 commentList[framePtr+i] = NULL;
19008 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19009 framePtr = savedFramePtr[storedGames];
19010 gameInfo.result = savedResult[storedGames];
19011 if(gameInfo.resultDetails != NULL) {
19012 free(gameInfo.resultDetails);
19014 gameInfo.resultDetails = savedDetails[storedGames];
19015 forwardMostMove = currentMove + nrMoves;
19019 PopTail (Boolean annotate)
19021 if(appData.icsActive) return FALSE; // only in local mode
19022 if(!storedGames) return FALSE; // sanity
19023 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19025 PopInner(annotate);
19026 if(currentMove < forwardMostMove) ForwardEvent(); else
19027 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19029 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19035 { // remove all shelved variations
19037 for(i=0; i<storedGames; i++) {
19038 if(savedDetails[i])
19039 free(savedDetails[i]);
19040 savedDetails[i] = NULL;
19042 for(i=framePtr; i<MAX_MOVES; i++) {
19043 if(commentList[i]) free(commentList[i]);
19044 commentList[i] = NULL;
19046 framePtr = MAX_MOVES-1;
19051 LoadVariation (int index, char *text)
19052 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19053 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19054 int level = 0, move;
19056 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19057 // first find outermost bracketing variation
19058 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19059 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19060 if(*p == '{') wait = '}'; else
19061 if(*p == '[') wait = ']'; else
19062 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19063 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19065 if(*p == wait) wait = NULLCHAR; // closing ]} found
19068 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19069 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19070 end[1] = NULLCHAR; // clip off comment beyond variation
19071 ToNrEvent(currentMove-1);
19072 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19073 // kludge: use ParsePV() to append variation to game
19074 move = currentMove;
19075 ParsePV(start, TRUE, TRUE);
19076 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19077 ClearPremoveHighlights();
19079 ToNrEvent(currentMove+1);
19082 int transparency[2];
19087 #define BUF_SIZ (2*MSG_SIZ)
19088 char *p, *q, buf[BUF_SIZ];
19089 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19090 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19091 ParseArgsFromString(buf);
19092 ActivateTheme(TRUE); // also redo colors
19096 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19099 q = appData.themeNames;
19100 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19101 if(appData.useBitmaps) {
19102 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19103 Shorten(appData.liteBackTextureFile));
19104 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19105 Shorten(appData.darkBackTextureFile),
19106 appData.liteBackTextureMode,
19107 appData.darkBackTextureMode );
19109 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19111 if(!appData.useBitmaps || transparency[0]) {
19112 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19114 if(!appData.useBitmaps || transparency[1]) {
19115 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19117 if(appData.useBorder) {
19118 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19121 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19123 if(appData.useFont) {
19124 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19125 appData.renderPiecesWithFont,
19126 appData.fontToPieceTable,
19127 Col2Text(9), // appData.fontBackColorWhite
19128 Col2Text(10) ); // appData.fontForeColorBlack
19130 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19131 if(appData.pieceDirectory[0]) {
19132 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19133 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19134 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19136 if(!appData.pieceDirectory[0] || !appData.trueColors)
19137 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19138 Col2Text(0), // whitePieceColor
19139 Col2Text(1) ); // blackPieceColor
19141 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19142 Col2Text(4), // highlightSquareColor
19143 Col2Text(5) ); // premoveHighlightColor
19144 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19145 if(insert != q) insert[-1] = NULLCHAR;
19146 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19149 ActivateTheme(FALSE);