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, 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_FILE]; epRank = board[EP_RANK]; epFile = board[EP_FILE];
10224 board[EP_STATUS] = EP_NONE;
10225 board[EP_FILE] = board[EP_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[epRank + (pawn < BlackPawn ? -1 : 1)][oldEP & berolina-1]; // remove victim
10260 board[epRank + (pawn < BlackPawn ? -1 : 1)][oldEP & berolina-1] = 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;
10283 if( pawn == BlackPawn ) {
10284 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10285 board[EP_STATUS] = EP_PAWN_MOVE;
10286 if( toY-fromY<= -2) {
10287 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10288 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10289 gameInfo.variant != VariantBerolina || toX < fromX)
10290 board[EP_STATUS] = toX | berolina;
10291 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10292 gameInfo.variant != VariantBerolina || toX > fromX)
10293 board[EP_STATUS] = toX;
10297 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10298 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10299 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10300 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10302 for(i=0; i<nrCastlingRights; i++) {
10303 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10304 board[CASTLING][i] == toX && castlingRank[i] == toY
10305 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10308 if(gameInfo.variant == VariantSChess) { // update virginity
10309 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10310 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10311 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10312 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10315 if (fromX == toX && fromY == toY && killX < 0) return;
10317 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10318 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10319 if(gameInfo.variant == VariantKnightmate)
10320 king += (int) WhiteUnicorn - (int) WhiteKing;
10322 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10323 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10324 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10325 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10326 board[EP_STATUS] = EP_NONE; // capture was fake!
10328 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10329 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10330 board[toY][toX] = piece;
10331 board[EP_STATUS] = EP_NONE; // capture was fake!
10333 /* Code added by Tord: */
10334 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10335 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10336 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10337 board[EP_STATUS] = EP_NONE; // capture was fake!
10338 board[fromY][fromX] = EmptySquare;
10339 board[toY][toX] = EmptySquare;
10340 if((toX > fromX) != (piece == WhiteRook)) {
10341 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10343 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10345 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10346 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10347 board[EP_STATUS] = EP_NONE;
10348 board[fromY][fromX] = EmptySquare;
10349 board[toY][toX] = EmptySquare;
10350 if((toX > fromX) != (piece == BlackRook)) {
10351 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10353 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10355 /* End of code added by Tord */
10357 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10358 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10359 board[toY][toX] = piece;
10360 } else if (board[fromY][fromX] == king
10361 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10362 && toY == fromY && toX > fromX+1) {
10363 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10364 ; // castle with nearest piece
10365 board[fromY][toX-1] = board[fromY][rookX];
10366 board[fromY][rookX] = EmptySquare;
10367 board[fromY][fromX] = EmptySquare;
10368 board[toY][toX] = king;
10369 } else if (board[fromY][fromX] == king
10370 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10371 && toY == fromY && toX < fromX-1) {
10372 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10373 ; // castle with nearest piece
10374 board[fromY][toX+1] = board[fromY][rookX];
10375 board[fromY][rookX] = EmptySquare;
10376 board[fromY][fromX] = EmptySquare;
10377 board[toY][toX] = king;
10378 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10379 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10380 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10382 /* white pawn promotion */
10383 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10384 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10385 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10386 board[fromY][fromX] = EmptySquare;
10387 } else if ((fromY >= BOARD_HEIGHT>>1)
10388 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10390 && gameInfo.variant != VariantXiangqi
10391 && gameInfo.variant != VariantBerolina
10392 && (pawn == WhitePawn)
10393 && (board[toY][toX] == EmptySquare)) {
10394 board[fromY][fromX] = EmptySquare;
10395 board[toY][toX] = piece;
10396 if(toY == epRank - 128 + 1)
10397 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10399 captured = board[toY - 1][toX], board[toY - 1][toX] = 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 && (oldEP == toX || 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 board[fromY][fromX] = EmptySquare;
10462 board[toY][toX] = piece;
10463 if(toY == epRank - 128 - 1)
10464 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10466 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10467 } else if ((fromY == 3)
10469 && gameInfo.variant == VariantBerolina
10470 && (board[fromY][fromX] == BlackPawn)
10471 && (board[toY][toX] == EmptySquare)) {
10472 board[fromY][fromX] = EmptySquare;
10473 board[toY][toX] = BlackPawn;
10474 if(oldEP & EP_BEROLIN_A) {
10475 captured = board[fromY][fromX-1];
10476 board[fromY][fromX-1] = EmptySquare;
10477 }else{ captured = board[fromY][fromX+1];
10478 board[fromY][fromX+1] = EmptySquare;
10481 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10482 board[fromY][fromX] = EmptySquare;
10483 board[toY][toX] = piece;
10487 if (gameInfo.holdingsWidth != 0) {
10489 /* !!A lot more code needs to be written to support holdings */
10490 /* [HGM] OK, so I have written it. Holdings are stored in the */
10491 /* penultimate board files, so they are automaticlly stored */
10492 /* in the game history. */
10493 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10494 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10495 /* Delete from holdings, by decreasing count */
10496 /* and erasing image if necessary */
10497 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10498 if(p < (int) BlackPawn) { /* white drop */
10499 p -= (int)WhitePawn;
10500 p = PieceToNumber((ChessSquare)p);
10501 if(p >= gameInfo.holdingsSize) p = 0;
10502 if(--board[p][BOARD_WIDTH-2] <= 0)
10503 board[p][BOARD_WIDTH-1] = EmptySquare;
10504 if((int)board[p][BOARD_WIDTH-2] < 0)
10505 board[p][BOARD_WIDTH-2] = 0;
10506 } else { /* black drop */
10507 p -= (int)BlackPawn;
10508 p = PieceToNumber((ChessSquare)p);
10509 if(p >= gameInfo.holdingsSize) p = 0;
10510 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10511 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10512 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10513 board[BOARD_HEIGHT-1-p][1] = 0;
10516 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10517 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10518 /* [HGM] holdings: Add to holdings, if holdings exist */
10519 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10520 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10521 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10523 p = (int) captured;
10524 if (p >= (int) BlackPawn) {
10525 p -= (int)BlackPawn;
10526 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10527 /* Restore shogi-promoted piece to its original first */
10528 captured = (ChessSquare) (DEMOTED(captured));
10531 p = PieceToNumber((ChessSquare)p);
10532 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10533 board[p][BOARD_WIDTH-2]++;
10534 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10536 p -= (int)WhitePawn;
10537 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10538 captured = (ChessSquare) (DEMOTED(captured));
10541 p = PieceToNumber((ChessSquare)p);
10542 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10543 board[BOARD_HEIGHT-1-p][1]++;
10544 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10547 } else if (gameInfo.variant == VariantAtomic) {
10548 if (captured != EmptySquare) {
10550 for (y = toY-1; y <= toY+1; y++) {
10551 for (x = toX-1; x <= toX+1; x++) {
10552 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10553 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10554 board[y][x] = EmptySquare;
10558 board[toY][toX] = EmptySquare;
10562 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10563 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10565 if(promoChar == '+') {
10566 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10567 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10568 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10569 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10570 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10571 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10572 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10573 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10574 board[toY][toX] = newPiece;
10576 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10577 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10578 // [HGM] superchess: take promotion piece out of holdings
10579 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10580 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10581 if(!--board[k][BOARD_WIDTH-2])
10582 board[k][BOARD_WIDTH-1] = EmptySquare;
10584 if(!--board[BOARD_HEIGHT-1-k][1])
10585 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10590 /* Updates forwardMostMove */
10592 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10594 int x = toX, y = toY;
10595 char *s = parseList[forwardMostMove];
10596 ChessSquare p = boards[forwardMostMove][toY][toX];
10597 // forwardMostMove++; // [HGM] bare: moved downstream
10599 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10600 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10601 (void) CoordsToAlgebraic(boards[forwardMostMove],
10602 PosFlags(forwardMostMove),
10603 fromY, fromX, y, x, (killX < 0)*promoChar,
10605 if(kill2X >= 0 && kill2Y >= 0)
10606 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10607 if(killX >= 0 && killY >= 0)
10608 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10609 toX + AAA, toY + ONE - '0', promoChar);
10611 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10612 int timeLeft; static int lastLoadFlag=0; int king, piece;
10613 piece = boards[forwardMostMove][fromY][fromX];
10614 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10615 if(gameInfo.variant == VariantKnightmate)
10616 king += (int) WhiteUnicorn - (int) WhiteKing;
10617 if(forwardMostMove == 0) {
10618 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10619 fprintf(serverMoves, "%s;", UserName());
10620 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10621 fprintf(serverMoves, "%s;", second.tidy);
10622 fprintf(serverMoves, "%s;", first.tidy);
10623 if(gameMode == MachinePlaysWhite)
10624 fprintf(serverMoves, "%s;", UserName());
10625 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10626 fprintf(serverMoves, "%s;", second.tidy);
10627 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10628 lastLoadFlag = loadFlag;
10630 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10631 // print castling suffix
10632 if( toY == fromY && piece == king ) {
10634 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10636 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10639 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10640 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10641 boards[forwardMostMove][toY][toX] == EmptySquare
10642 && fromX != toX && fromY != toY)
10643 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10644 // promotion suffix
10645 if(promoChar != NULLCHAR) {
10646 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10647 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10648 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10649 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10652 char buf[MOVE_LEN*2], *p; int len;
10653 fprintf(serverMoves, "/%d/%d",
10654 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10655 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10656 else timeLeft = blackTimeRemaining/1000;
10657 fprintf(serverMoves, "/%d", timeLeft);
10658 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10659 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10660 if(p = strchr(buf, '=')) *p = NULLCHAR;
10661 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10662 fprintf(serverMoves, "/%s", buf);
10664 fflush(serverMoves);
10667 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10668 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10671 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10672 if (commentList[forwardMostMove+1] != NULL) {
10673 free(commentList[forwardMostMove+1]);
10674 commentList[forwardMostMove+1] = NULL;
10676 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10677 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10678 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10679 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10680 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10681 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10682 adjustedClock = FALSE;
10683 gameInfo.result = GameUnfinished;
10684 if (gameInfo.resultDetails != NULL) {
10685 free(gameInfo.resultDetails);
10686 gameInfo.resultDetails = NULL;
10688 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10689 moveList[forwardMostMove - 1]);
10690 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10696 if(!IS_SHOGI(gameInfo.variant))
10697 strcat(parseList[forwardMostMove - 1], "+");
10701 strcat(parseList[forwardMostMove - 1], "#");
10706 /* Updates currentMove if not pausing */
10708 ShowMove (int fromX, int fromY, int toX, int toY)
10710 int instant = (gameMode == PlayFromGameFile) ?
10711 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10712 if(appData.noGUI) return;
10713 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10715 if (forwardMostMove == currentMove + 1) {
10716 AnimateMove(boards[forwardMostMove - 1],
10717 fromX, fromY, toX, toY);
10720 currentMove = forwardMostMove;
10723 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10725 if (instant) return;
10727 DisplayMove(currentMove - 1);
10728 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10729 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10730 SetHighlights(fromX, fromY, toX, toY);
10733 DrawPosition(FALSE, boards[currentMove]);
10734 DisplayBothClocks();
10735 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10739 SendEgtPath (ChessProgramState *cps)
10740 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10741 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10743 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10746 char c, *q = name+1, *r, *s;
10748 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10749 while(*p && *p != ',') *q++ = *p++;
10750 *q++ = ':'; *q = 0;
10751 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10752 strcmp(name, ",nalimov:") == 0 ) {
10753 // take nalimov path from the menu-changeable option first, if it is defined
10754 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10755 SendToProgram(buf,cps); // send egtbpath command for nalimov
10757 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10758 (s = StrStr(appData.egtFormats, name)) != NULL) {
10759 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10760 s = r = StrStr(s, ":") + 1; // beginning of path info
10761 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10762 c = *r; *r = 0; // temporarily null-terminate path info
10763 *--q = 0; // strip of trailig ':' from name
10764 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10766 SendToProgram(buf,cps); // send egtbpath command for this format
10768 if(*p == ',') p++; // read away comma to position for next format name
10773 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10775 int width = 8, height = 8, holdings = 0; // most common sizes
10776 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10777 // correct the deviations default for each variant
10778 if( v == VariantXiangqi ) width = 9, height = 10;
10779 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10780 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10781 if( v == VariantCapablanca || v == VariantCapaRandom ||
10782 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10784 if( v == VariantCourier ) width = 12;
10785 if( v == VariantSuper ) holdings = 8;
10786 if( v == VariantGreat ) width = 10, holdings = 8;
10787 if( v == VariantSChess ) holdings = 7;
10788 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10789 if( v == VariantChuChess) width = 10, height = 10;
10790 if( v == VariantChu ) width = 12, height = 12;
10791 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10792 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10793 holdingsSize >= 0 && holdingsSize != holdings;
10796 char variantError[MSG_SIZ];
10799 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10800 { // returns error message (recognizable by upper-case) if engine does not support the variant
10801 char *p, *variant = VariantName(v);
10802 static char b[MSG_SIZ];
10803 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10804 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10805 holdingsSize, variant); // cook up sized variant name
10806 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10807 if(StrStr(list, b) == NULL) {
10808 // specific sized variant not known, check if general sizing allowed
10809 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10810 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10811 boardWidth, boardHeight, holdingsSize, engine);
10814 /* [HGM] here we really should compare with the maximum supported board size */
10816 } else snprintf(b, MSG_SIZ,"%s", variant);
10817 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10818 p = StrStr(list, b);
10819 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10821 // occurs not at all in list, or only as sub-string
10822 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10823 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10824 int l = strlen(variantError);
10826 while(p != list && p[-1] != ',') p--;
10827 q = strchr(p, ',');
10828 if(q) *q = NULLCHAR;
10829 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10838 InitChessProgram (ChessProgramState *cps, int setup)
10839 /* setup needed to setup FRC opening position */
10841 char buf[MSG_SIZ], *b;
10842 if (appData.noChessProgram) return;
10843 hintRequested = FALSE;
10844 bookRequested = FALSE;
10846 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10847 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10848 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10849 if(cps->memSize) { /* [HGM] memory */
10850 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10851 SendToProgram(buf, cps);
10853 SendEgtPath(cps); /* [HGM] EGT */
10854 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10855 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10856 SendToProgram(buf, cps);
10859 setboardSpoiledMachineBlack = FALSE;
10860 SendToProgram(cps->initString, cps);
10861 if (gameInfo.variant != VariantNormal &&
10862 gameInfo.variant != VariantLoadable
10863 /* [HGM] also send variant if board size non-standard */
10864 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10866 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10867 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10871 char c, *q = cps->variants, *p = strchr(q, ',');
10872 if(p) *p = NULLCHAR;
10873 v = StringToVariant(q);
10874 DisplayError(variantError, 0);
10875 if(v != VariantUnknown && cps == &first) {
10877 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10878 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10879 ASSIGN(appData.variant, q);
10880 Reset(TRUE, FALSE);
10886 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10887 SendToProgram(buf, cps);
10889 currentlyInitializedVariant = gameInfo.variant;
10891 /* [HGM] send opening position in FRC to first engine */
10893 SendToProgram("force\n", cps);
10895 /* engine is now in force mode! Set flag to wake it up after first move. */
10896 setboardSpoiledMachineBlack = 1;
10899 if (cps->sendICS) {
10900 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10901 SendToProgram(buf, cps);
10903 cps->maybeThinking = FALSE;
10904 cps->offeredDraw = 0;
10905 if (!appData.icsActive) {
10906 SendTimeControl(cps, movesPerSession, timeControl,
10907 timeIncrement, appData.searchDepth,
10910 if (appData.showThinking
10911 // [HGM] thinking: four options require thinking output to be sent
10912 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10914 SendToProgram("post\n", cps);
10916 SendToProgram("hard\n", cps);
10917 if (!appData.ponderNextMove) {
10918 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10919 it without being sure what state we are in first. "hard"
10920 is not a toggle, so that one is OK.
10922 SendToProgram("easy\n", cps);
10924 if (cps->usePing) {
10925 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10926 SendToProgram(buf, cps);
10928 cps->initDone = TRUE;
10929 ClearEngineOutputPane(cps == &second);
10934 ResendOptions (ChessProgramState *cps)
10935 { // send the stored value of the options
10938 Option *opt = cps->option;
10939 for(i=0; i<cps->nrOptions; i++, opt++) {
10940 switch(opt->type) {
10944 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10947 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10950 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10956 SendToProgram(buf, cps);
10961 StartChessProgram (ChessProgramState *cps)
10966 if (appData.noChessProgram) return;
10967 cps->initDone = FALSE;
10969 if (strcmp(cps->host, "localhost") == 0) {
10970 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10971 } else if (*appData.remoteShell == NULLCHAR) {
10972 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10974 if (*appData.remoteUser == NULLCHAR) {
10975 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10978 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10979 cps->host, appData.remoteUser, cps->program);
10981 err = StartChildProcess(buf, "", &cps->pr);
10985 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10986 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10987 if(cps != &first) return;
10988 appData.noChessProgram = TRUE;
10991 // DisplayFatalError(buf, err, 1);
10992 // cps->pr = NoProc;
10993 // cps->isr = NULL;
10997 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10998 if (cps->protocolVersion > 1) {
10999 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11000 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11001 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11002 cps->comboCnt = 0; // and values of combo boxes
11004 SendToProgram(buf, cps);
11005 if(cps->reload) ResendOptions(cps);
11007 SendToProgram("xboard\n", cps);
11012 TwoMachinesEventIfReady P((void))
11014 static int curMess = 0;
11015 if (first.lastPing != first.lastPong) {
11016 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11017 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11020 if (second.lastPing != second.lastPong) {
11021 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11022 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11025 DisplayMessage("", ""); curMess = 0;
11026 TwoMachinesEvent();
11030 MakeName (char *template)
11034 static char buf[MSG_SIZ];
11038 clock = time((time_t *)NULL);
11039 tm = localtime(&clock);
11041 while(*p++ = *template++) if(p[-1] == '%') {
11042 switch(*template++) {
11043 case 0: *p = 0; return buf;
11044 case 'Y': i = tm->tm_year+1900; break;
11045 case 'y': i = tm->tm_year-100; break;
11046 case 'M': i = tm->tm_mon+1; break;
11047 case 'd': i = tm->tm_mday; break;
11048 case 'h': i = tm->tm_hour; break;
11049 case 'm': i = tm->tm_min; break;
11050 case 's': i = tm->tm_sec; break;
11053 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11059 CountPlayers (char *p)
11062 while(p = strchr(p, '\n')) p++, n++; // count participants
11067 WriteTourneyFile (char *results, FILE *f)
11068 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11069 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11070 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11071 // create a file with tournament description
11072 fprintf(f, "-participants {%s}\n", appData.participants);
11073 fprintf(f, "-seedBase %d\n", appData.seedBase);
11074 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11075 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11076 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11077 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11078 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11079 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11080 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11081 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11082 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11083 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11084 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11085 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11086 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11087 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11088 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11089 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11090 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11091 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11092 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11093 fprintf(f, "-smpCores %d\n", appData.smpCores);
11095 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11097 fprintf(f, "-mps %d\n", appData.movesPerSession);
11098 fprintf(f, "-tc %s\n", appData.timeControl);
11099 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11101 fprintf(f, "-results \"%s\"\n", results);
11106 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11109 Substitute (char *participants, int expunge)
11111 int i, changed, changes=0, nPlayers=0;
11112 char *p, *q, *r, buf[MSG_SIZ];
11113 if(participants == NULL) return;
11114 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11115 r = p = participants; q = appData.participants;
11116 while(*p && *p == *q) {
11117 if(*p == '\n') r = p+1, nPlayers++;
11120 if(*p) { // difference
11121 while(*p && *p++ != '\n')
11123 while(*q && *q++ != '\n')
11125 changed = nPlayers;
11126 changes = 1 + (strcmp(p, q) != 0);
11128 if(changes == 1) { // a single engine mnemonic was changed
11129 q = r; while(*q) nPlayers += (*q++ == '\n');
11130 p = buf; while(*r && (*p = *r++) != '\n') p++;
11132 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11133 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11134 if(mnemonic[i]) { // The substitute is valid
11136 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11137 flock(fileno(f), LOCK_EX);
11138 ParseArgsFromFile(f);
11139 fseek(f, 0, SEEK_SET);
11140 FREE(appData.participants); appData.participants = participants;
11141 if(expunge) { // erase results of replaced engine
11142 int len = strlen(appData.results), w, b, dummy;
11143 for(i=0; i<len; i++) {
11144 Pairing(i, nPlayers, &w, &b, &dummy);
11145 if((w == changed || b == changed) && appData.results[i] == '*') {
11146 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11151 for(i=0; i<len; i++) {
11152 Pairing(i, nPlayers, &w, &b, &dummy);
11153 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11156 WriteTourneyFile(appData.results, f);
11157 fclose(f); // release lock
11160 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11162 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11163 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11164 free(participants);
11169 CheckPlayers (char *participants)
11172 char buf[MSG_SIZ], *p;
11173 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11174 while(p = strchr(participants, '\n')) {
11176 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11178 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11180 DisplayError(buf, 0);
11184 participants = p + 1;
11190 CreateTourney (char *name)
11193 if(matchMode && strcmp(name, appData.tourneyFile)) {
11194 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11196 if(name[0] == NULLCHAR) {
11197 if(appData.participants[0])
11198 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11201 f = fopen(name, "r");
11202 if(f) { // file exists
11203 ASSIGN(appData.tourneyFile, name);
11204 ParseArgsFromFile(f); // parse it
11206 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11207 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11208 DisplayError(_("Not enough participants"), 0);
11211 if(CheckPlayers(appData.participants)) return 0;
11212 ASSIGN(appData.tourneyFile, name);
11213 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11214 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11217 appData.noChessProgram = FALSE;
11218 appData.clockMode = TRUE;
11224 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11226 char buf[2*MSG_SIZ], *p, *q;
11227 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11228 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11229 skip = !all && group[0]; // if group requested, we start in skip mode
11230 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11231 p = names; q = buf; header = 0;
11232 while(*p && *p != '\n') *q++ = *p++;
11234 if(*p == '\n') p++;
11235 if(buf[0] == '#') {
11236 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11237 depth++; // we must be entering a new group
11238 if(all) continue; // suppress printing group headers when complete list requested
11240 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11242 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11243 if(engineList[i]) free(engineList[i]);
11244 engineList[i] = strdup(buf);
11245 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11246 if(engineMnemonic[i]) free(engineMnemonic[i]);
11247 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11249 sscanf(q + 8, "%s", buf + strlen(buf));
11252 engineMnemonic[i] = strdup(buf);
11255 engineList[i] = engineMnemonic[i] = NULL;
11259 // following implemented as macro to avoid type limitations
11260 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11263 SwapEngines (int n)
11264 { // swap settings for first engine and other engine (so far only some selected options)
11269 SWAP(chessProgram, p)
11271 SWAP(hasOwnBookUCI, h)
11272 SWAP(protocolVersion, h)
11274 SWAP(scoreIsAbsolute, h)
11279 SWAP(engOptions, p)
11280 SWAP(engInitString, p)
11281 SWAP(computerString, p)
11283 SWAP(fenOverride, p)
11285 SWAP(accumulateTC, h)
11292 GetEngineLine (char *s, int n)
11296 extern char *icsNames;
11297 if(!s || !*s) return 0;
11298 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11299 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11300 if(!mnemonic[i]) return 0;
11301 if(n == 11) return 1; // just testing if there was a match
11302 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11303 if(n == 1) SwapEngines(n);
11304 ParseArgsFromString(buf);
11305 if(n == 1) SwapEngines(n);
11306 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11307 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11308 ParseArgsFromString(buf);
11314 SetPlayer (int player, char *p)
11315 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11317 char buf[MSG_SIZ], *engineName;
11318 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11319 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11320 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11322 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11323 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11324 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11325 ParseArgsFromString(buf);
11326 } else { // no engine with this nickname is installed!
11327 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11328 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11329 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11331 DisplayError(buf, 0);
11338 char *recentEngines;
11341 RecentEngineEvent (int nr)
11344 // SwapEngines(1); // bump first to second
11345 // ReplaceEngine(&second, 1); // and load it there
11346 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11347 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11348 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11349 ReplaceEngine(&first, 0);
11350 FloatToFront(&appData.recentEngineList, command[n]);
11355 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11356 { // determine players from game number
11357 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11359 if(appData.tourneyType == 0) {
11360 roundsPerCycle = (nPlayers - 1) | 1;
11361 pairingsPerRound = nPlayers / 2;
11362 } else if(appData.tourneyType > 0) {
11363 roundsPerCycle = nPlayers - appData.tourneyType;
11364 pairingsPerRound = appData.tourneyType;
11366 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11367 gamesPerCycle = gamesPerRound * roundsPerCycle;
11368 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11369 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11370 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11371 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11372 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11373 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11375 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11376 if(appData.roundSync) *syncInterval = gamesPerRound;
11378 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11380 if(appData.tourneyType == 0) {
11381 if(curPairing == (nPlayers-1)/2 ) {
11382 *whitePlayer = curRound;
11383 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11385 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11386 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11387 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11388 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11390 } else if(appData.tourneyType > 1) {
11391 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11392 *whitePlayer = curRound + appData.tourneyType;
11393 } else if(appData.tourneyType > 0) {
11394 *whitePlayer = curPairing;
11395 *blackPlayer = curRound + appData.tourneyType;
11398 // take care of white/black alternation per round.
11399 // For cycles and games this is already taken care of by default, derived from matchGame!
11400 return curRound & 1;
11404 NextTourneyGame (int nr, int *swapColors)
11405 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11407 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11409 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11410 tf = fopen(appData.tourneyFile, "r");
11411 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11412 ParseArgsFromFile(tf); fclose(tf);
11413 InitTimeControls(); // TC might be altered from tourney file
11415 nPlayers = CountPlayers(appData.participants); // count participants
11416 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11417 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11420 p = q = appData.results;
11421 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11422 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11423 DisplayMessage(_("Waiting for other game(s)"),"");
11424 waitingForGame = TRUE;
11425 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11428 waitingForGame = FALSE;
11431 if(appData.tourneyType < 0) {
11432 if(nr>=0 && !pairingReceived) {
11434 if(pairing.pr == NoProc) {
11435 if(!appData.pairingEngine[0]) {
11436 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11439 StartChessProgram(&pairing); // starts the pairing engine
11441 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11442 SendToProgram(buf, &pairing);
11443 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11444 SendToProgram(buf, &pairing);
11445 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11447 pairingReceived = 0; // ... so we continue here
11449 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11450 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11451 matchGame = 1; roundNr = nr / syncInterval + 1;
11454 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11456 // redefine engines, engine dir, etc.
11457 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11458 if(first.pr == NoProc) {
11459 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11460 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11462 if(second.pr == NoProc) {
11464 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11465 SwapEngines(1); // and make that valid for second engine by swapping
11466 InitEngine(&second, 1);
11468 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11469 UpdateLogos(FALSE); // leave display to ModeHiglight()
11475 { // performs game initialization that does not invoke engines, and then tries to start the game
11476 int res, firstWhite, swapColors = 0;
11477 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11478 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
11480 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11481 if(strcmp(buf, currentDebugFile)) { // name has changed
11482 FILE *f = fopen(buf, "w");
11483 if(f) { // if opening the new file failed, just keep using the old one
11484 ASSIGN(currentDebugFile, buf);
11488 if(appData.serverFileName) {
11489 if(serverFP) fclose(serverFP);
11490 serverFP = fopen(appData.serverFileName, "w");
11491 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11492 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11496 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11497 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11498 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11499 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11500 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11501 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11502 Reset(FALSE, first.pr != NoProc);
11503 res = LoadGameOrPosition(matchGame); // setup game
11504 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11505 if(!res) return; // abort when bad game/pos file
11506 if(appData.epd) {// in EPD mode we make sure first engine is to move
11507 firstWhite = !(forwardMostMove & 1);
11508 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11509 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11511 TwoMachinesEvent();
11515 UserAdjudicationEvent (int result)
11517 ChessMove gameResult = GameIsDrawn;
11520 gameResult = WhiteWins;
11522 else if( result < 0 ) {
11523 gameResult = BlackWins;
11526 if( gameMode == TwoMachinesPlay ) {
11527 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11532 // [HGM] save: calculate checksum of game to make games easily identifiable
11534 StringCheckSum (char *s)
11537 if(s==NULL) return 0;
11538 while(*s) i = i*259 + *s++;
11546 for(i=backwardMostMove; i<forwardMostMove; i++) {
11547 sum += pvInfoList[i].depth;
11548 sum += StringCheckSum(parseList[i]);
11549 sum += StringCheckSum(commentList[i]);
11552 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11553 return sum + StringCheckSum(commentList[i]);
11554 } // end of save patch
11557 GameEnds (ChessMove result, char *resultDetails, int whosays)
11559 GameMode nextGameMode;
11561 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11563 if(endingGame) return; /* [HGM] crash: forbid recursion */
11565 if(twoBoards) { // [HGM] dual: switch back to one board
11566 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11567 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11569 if (appData.debugMode) {
11570 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11571 result, resultDetails ? resultDetails : "(null)", whosays);
11574 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11576 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11578 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11579 /* If we are playing on ICS, the server decides when the
11580 game is over, but the engine can offer to draw, claim
11584 if (appData.zippyPlay && first.initDone) {
11585 if (result == GameIsDrawn) {
11586 /* In case draw still needs to be claimed */
11587 SendToICS(ics_prefix);
11588 SendToICS("draw\n");
11589 } else if (StrCaseStr(resultDetails, "resign")) {
11590 SendToICS(ics_prefix);
11591 SendToICS("resign\n");
11595 endingGame = 0; /* [HGM] crash */
11599 /* If we're loading the game from a file, stop */
11600 if (whosays == GE_FILE) {
11601 (void) StopLoadGameTimer();
11605 /* Cancel draw offers */
11606 first.offeredDraw = second.offeredDraw = 0;
11608 /* If this is an ICS game, only ICS can really say it's done;
11609 if not, anyone can. */
11610 isIcsGame = (gameMode == IcsPlayingWhite ||
11611 gameMode == IcsPlayingBlack ||
11612 gameMode == IcsObserving ||
11613 gameMode == IcsExamining);
11615 if (!isIcsGame || whosays == GE_ICS) {
11616 /* OK -- not an ICS game, or ICS said it was done */
11618 if (!isIcsGame && !appData.noChessProgram)
11619 SetUserThinkingEnables();
11621 /* [HGM] if a machine claims the game end we verify this claim */
11622 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11623 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11625 ChessMove trueResult = (ChessMove) -1;
11627 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11628 first.twoMachinesColor[0] :
11629 second.twoMachinesColor[0] ;
11631 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11632 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11633 /* [HGM] verify: engine mate claims accepted if they were flagged */
11634 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11636 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11637 /* [HGM] verify: engine mate claims accepted if they were flagged */
11638 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11640 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11641 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11644 // now verify win claims, but not in drop games, as we don't understand those yet
11645 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11646 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11647 (result == WhiteWins && claimer == 'w' ||
11648 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11649 if (appData.debugMode) {
11650 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11651 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11653 if(result != trueResult) {
11654 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11655 result = claimer == 'w' ? BlackWins : WhiteWins;
11656 resultDetails = buf;
11659 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11660 && (forwardMostMove <= backwardMostMove ||
11661 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11662 (claimer=='b')==(forwardMostMove&1))
11664 /* [HGM] verify: draws that were not flagged are false claims */
11665 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11666 result = claimer == 'w' ? BlackWins : WhiteWins;
11667 resultDetails = buf;
11669 /* (Claiming a loss is accepted no questions asked!) */
11670 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11671 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11672 result = GameUnfinished;
11673 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11675 /* [HGM] bare: don't allow bare King to win */
11676 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11677 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11678 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11679 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11680 && result != GameIsDrawn)
11681 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11682 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11683 int p = (int)boards[forwardMostMove][i][j] - color;
11684 if(p >= 0 && p <= (int)WhiteKing) k++;
11685 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11687 if (appData.debugMode) {
11688 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11689 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11691 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11692 result = GameIsDrawn;
11693 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11694 resultDetails = buf;
11700 if(serverMoves != NULL && !loadFlag) { char c = '=';
11701 if(result==WhiteWins) c = '+';
11702 if(result==BlackWins) c = '-';
11703 if(resultDetails != NULL)
11704 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11706 if (resultDetails != NULL) {
11707 gameInfo.result = result;
11708 gameInfo.resultDetails = StrSave(resultDetails);
11710 /* display last move only if game was not loaded from file */
11711 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11712 DisplayMove(currentMove - 1);
11714 if (forwardMostMove != 0) {
11715 if (gameMode != PlayFromGameFile && gameMode != EditGame
11716 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11718 if (*appData.saveGameFile != NULLCHAR) {
11719 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11720 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11722 SaveGameToFile(appData.saveGameFile, TRUE);
11723 } else if (appData.autoSaveGames) {
11724 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11726 if (*appData.savePositionFile != NULLCHAR) {
11727 SavePositionToFile(appData.savePositionFile);
11729 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11733 /* Tell program how game ended in case it is learning */
11734 /* [HGM] Moved this to after saving the PGN, just in case */
11735 /* engine died and we got here through time loss. In that */
11736 /* case we will get a fatal error writing the pipe, which */
11737 /* would otherwise lose us the PGN. */
11738 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11739 /* output during GameEnds should never be fatal anymore */
11740 if (gameMode == MachinePlaysWhite ||
11741 gameMode == MachinePlaysBlack ||
11742 gameMode == TwoMachinesPlay ||
11743 gameMode == IcsPlayingWhite ||
11744 gameMode == IcsPlayingBlack ||
11745 gameMode == BeginningOfGame) {
11747 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11749 if (first.pr != NoProc) {
11750 SendToProgram(buf, &first);
11752 if (second.pr != NoProc &&
11753 gameMode == TwoMachinesPlay) {
11754 SendToProgram(buf, &second);
11759 if (appData.icsActive) {
11760 if (appData.quietPlay &&
11761 (gameMode == IcsPlayingWhite ||
11762 gameMode == IcsPlayingBlack)) {
11763 SendToICS(ics_prefix);
11764 SendToICS("set shout 1\n");
11766 nextGameMode = IcsIdle;
11767 ics_user_moved = FALSE;
11768 /* clean up premove. It's ugly when the game has ended and the
11769 * premove highlights are still on the board.
11772 gotPremove = FALSE;
11773 ClearPremoveHighlights();
11774 DrawPosition(FALSE, boards[currentMove]);
11776 if (whosays == GE_ICS) {
11779 if (gameMode == IcsPlayingWhite)
11781 else if(gameMode == IcsPlayingBlack)
11782 PlayIcsLossSound();
11785 if (gameMode == IcsPlayingBlack)
11787 else if(gameMode == IcsPlayingWhite)
11788 PlayIcsLossSound();
11791 PlayIcsDrawSound();
11794 PlayIcsUnfinishedSound();
11797 if(appData.quitNext) { ExitEvent(0); return; }
11798 } else if (gameMode == EditGame ||
11799 gameMode == PlayFromGameFile ||
11800 gameMode == AnalyzeMode ||
11801 gameMode == AnalyzeFile) {
11802 nextGameMode = gameMode;
11804 nextGameMode = EndOfGame;
11809 nextGameMode = gameMode;
11812 if (appData.noChessProgram) {
11813 gameMode = nextGameMode;
11815 endingGame = 0; /* [HGM] crash */
11820 /* Put first chess program into idle state */
11821 if (first.pr != NoProc &&
11822 (gameMode == MachinePlaysWhite ||
11823 gameMode == MachinePlaysBlack ||
11824 gameMode == TwoMachinesPlay ||
11825 gameMode == IcsPlayingWhite ||
11826 gameMode == IcsPlayingBlack ||
11827 gameMode == BeginningOfGame)) {
11828 SendToProgram("force\n", &first);
11829 if (first.usePing) {
11831 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11832 SendToProgram(buf, &first);
11835 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11836 /* Kill off first chess program */
11837 if (first.isr != NULL)
11838 RemoveInputSource(first.isr);
11841 if (first.pr != NoProc) {
11843 DoSleep( appData.delayBeforeQuit );
11844 SendToProgram("quit\n", &first);
11845 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11846 first.reload = TRUE;
11850 if (second.reuse) {
11851 /* Put second chess program into idle state */
11852 if (second.pr != NoProc &&
11853 gameMode == TwoMachinesPlay) {
11854 SendToProgram("force\n", &second);
11855 if (second.usePing) {
11857 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11858 SendToProgram(buf, &second);
11861 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11862 /* Kill off second chess program */
11863 if (second.isr != NULL)
11864 RemoveInputSource(second.isr);
11867 if (second.pr != NoProc) {
11868 DoSleep( appData.delayBeforeQuit );
11869 SendToProgram("quit\n", &second);
11870 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11871 second.reload = TRUE;
11873 second.pr = NoProc;
11876 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11877 char resChar = '=';
11881 if (first.twoMachinesColor[0] == 'w') {
11884 second.matchWins++;
11889 if (first.twoMachinesColor[0] == 'b') {
11892 second.matchWins++;
11895 case GameUnfinished:
11901 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11902 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11903 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11904 ReserveGame(nextGame, resChar); // sets nextGame
11905 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11906 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11907 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11909 if (nextGame <= appData.matchGames && !abortMatch) {
11910 gameMode = nextGameMode;
11911 matchGame = nextGame; // this will be overruled in tourney mode!
11912 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11913 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11914 endingGame = 0; /* [HGM] crash */
11917 gameMode = nextGameMode;
11919 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11920 OutputKibitz(2, buf);
11921 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11922 OutputKibitz(2, buf);
11923 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11924 if(second.matchWins) OutputKibitz(2, buf);
11925 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11926 OutputKibitz(2, buf);
11928 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11929 first.tidy, second.tidy,
11930 first.matchWins, second.matchWins,
11931 appData.matchGames - (first.matchWins + second.matchWins));
11932 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11933 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11934 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11935 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11936 first.twoMachinesColor = "black\n";
11937 second.twoMachinesColor = "white\n";
11939 first.twoMachinesColor = "white\n";
11940 second.twoMachinesColor = "black\n";
11944 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11945 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11947 gameMode = nextGameMode;
11949 endingGame = 0; /* [HGM] crash */
11950 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11951 if(matchMode == TRUE) { // match through command line: exit with or without popup
11953 ToNrEvent(forwardMostMove);
11954 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11956 } else DisplayFatalError(buf, 0, 0);
11957 } else { // match through menu; just stop, with or without popup
11958 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11961 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11962 } else DisplayNote(buf);
11964 if(ranking) free(ranking);
11968 /* Assumes program was just initialized (initString sent).
11969 Leaves program in force mode. */
11971 FeedMovesToProgram (ChessProgramState *cps, int upto)
11975 if (appData.debugMode)
11976 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11977 startedFromSetupPosition ? "position and " : "",
11978 backwardMostMove, upto, cps->which);
11979 if(currentlyInitializedVariant != gameInfo.variant) {
11981 // [HGM] variantswitch: make engine aware of new variant
11982 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11983 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11984 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11985 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11986 SendToProgram(buf, cps);
11987 currentlyInitializedVariant = gameInfo.variant;
11989 SendToProgram("force\n", cps);
11990 if (startedFromSetupPosition) {
11991 SendBoard(cps, backwardMostMove);
11992 if (appData.debugMode) {
11993 fprintf(debugFP, "feedMoves\n");
11996 for (i = backwardMostMove; i < upto; i++) {
11997 SendMoveToProgram(i, cps);
12003 ResurrectChessProgram ()
12005 /* The chess program may have exited.
12006 If so, restart it and feed it all the moves made so far. */
12007 static int doInit = 0;
12009 if (appData.noChessProgram) return 1;
12011 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12012 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12013 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12014 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12016 if (first.pr != NoProc) return 1;
12017 StartChessProgram(&first);
12019 InitChessProgram(&first, FALSE);
12020 FeedMovesToProgram(&first, currentMove);
12022 if (!first.sendTime) {
12023 /* can't tell gnuchess what its clock should read,
12024 so we bow to its notion. */
12026 timeRemaining[0][currentMove] = whiteTimeRemaining;
12027 timeRemaining[1][currentMove] = blackTimeRemaining;
12030 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12031 appData.icsEngineAnalyze) && first.analysisSupport) {
12032 SendToProgram("analyze\n", &first);
12033 first.analyzing = TRUE;
12039 * Button procedures
12042 Reset (int redraw, int init)
12046 if (appData.debugMode) {
12047 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12048 redraw, init, gameMode);
12050 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12051 deadRanks = 0; // assume entire board is used
12052 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12053 CleanupTail(); // [HGM] vari: delete any stored variations
12054 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12055 pausing = pauseExamInvalid = FALSE;
12056 startedFromSetupPosition = blackPlaysFirst = FALSE;
12058 whiteFlag = blackFlag = FALSE;
12059 userOfferedDraw = FALSE;
12060 hintRequested = bookRequested = FALSE;
12061 first.maybeThinking = FALSE;
12062 second.maybeThinking = FALSE;
12063 first.bookSuspend = FALSE; // [HGM] book
12064 second.bookSuspend = FALSE;
12065 thinkOutput[0] = NULLCHAR;
12066 lastHint[0] = NULLCHAR;
12067 ClearGameInfo(&gameInfo);
12068 gameInfo.variant = StringToVariant(appData.variant);
12069 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12070 gameInfo.variant = VariantUnknown;
12071 strncpy(engineVariant, appData.variant, MSG_SIZ);
12073 ics_user_moved = ics_clock_paused = FALSE;
12074 ics_getting_history = H_FALSE;
12076 white_holding[0] = black_holding[0] = NULLCHAR;
12077 ClearProgramStats();
12078 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12082 flipView = appData.flipView;
12083 ClearPremoveHighlights();
12084 gotPremove = FALSE;
12085 alarmSounded = FALSE;
12086 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12088 GameEnds(EndOfFile, NULL, GE_PLAYER);
12089 if(appData.serverMovesName != NULL) {
12090 /* [HGM] prepare to make moves file for broadcasting */
12091 clock_t t = clock();
12092 if(serverMoves != NULL) fclose(serverMoves);
12093 serverMoves = fopen(appData.serverMovesName, "r");
12094 if(serverMoves != NULL) {
12095 fclose(serverMoves);
12096 /* delay 15 sec before overwriting, so all clients can see end */
12097 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12099 serverMoves = fopen(appData.serverMovesName, "w");
12103 gameMode = BeginningOfGame;
12105 if(appData.icsActive) gameInfo.variant = VariantNormal;
12106 currentMove = forwardMostMove = backwardMostMove = 0;
12107 MarkTargetSquares(1);
12108 InitPosition(redraw);
12109 for (i = 0; i < MAX_MOVES; i++) {
12110 if (commentList[i] != NULL) {
12111 free(commentList[i]);
12112 commentList[i] = NULL;
12116 timeRemaining[0][0] = whiteTimeRemaining;
12117 timeRemaining[1][0] = blackTimeRemaining;
12119 if (first.pr == NoProc) {
12120 StartChessProgram(&first);
12123 InitChessProgram(&first, startedFromSetupPosition);
12126 DisplayMessage("", "");
12127 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12128 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12129 ClearMap(); // [HGM] exclude: invalidate map
12133 AutoPlayGameLoop ()
12136 if (!AutoPlayOneMove())
12138 if (matchMode || appData.timeDelay == 0)
12140 if (appData.timeDelay < 0)
12142 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12150 ReloadGame(1); // next game
12156 int fromX, fromY, toX, toY;
12158 if (appData.debugMode) {
12159 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12162 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12165 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12166 pvInfoList[currentMove].depth = programStats.depth;
12167 pvInfoList[currentMove].score = programStats.score;
12168 pvInfoList[currentMove].time = 0;
12169 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12170 else { // append analysis of final position as comment
12172 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12173 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12175 programStats.depth = 0;
12178 if (currentMove >= forwardMostMove) {
12179 if(gameMode == AnalyzeFile) {
12180 if(appData.loadGameIndex == -1) {
12181 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12182 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12184 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12187 // gameMode = EndOfGame;
12188 // ModeHighlight();
12190 /* [AS] Clear current move marker at the end of a game */
12191 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12196 toX = moveList[currentMove][2] - AAA;
12197 toY = moveList[currentMove][3] - ONE;
12199 if (moveList[currentMove][1] == '@') {
12200 if (appData.highlightLastMove) {
12201 SetHighlights(-1, -1, toX, toY);
12204 fromX = moveList[currentMove][0] - AAA;
12205 fromY = moveList[currentMove][1] - ONE;
12207 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12209 if(moveList[currentMove][4] == ';') { // multi-leg
12210 killX = moveList[currentMove][5] - AAA;
12211 killY = moveList[currentMove][6] - ONE;
12213 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12214 killX = killY = -1;
12216 if (appData.highlightLastMove) {
12217 SetHighlights(fromX, fromY, toX, toY);
12220 DisplayMove(currentMove);
12221 SendMoveToProgram(currentMove++, &first);
12222 DisplayBothClocks();
12223 DrawPosition(FALSE, boards[currentMove]);
12224 // [HGM] PV info: always display, routine tests if empty
12225 DisplayComment(currentMove - 1, commentList[currentMove]);
12231 LoadGameOneMove (ChessMove readAhead)
12233 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12234 char promoChar = NULLCHAR;
12235 ChessMove moveType;
12236 char move[MSG_SIZ];
12239 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12240 gameMode != AnalyzeMode && gameMode != Training) {
12245 yyboardindex = forwardMostMove;
12246 if (readAhead != EndOfFile) {
12247 moveType = readAhead;
12249 if (gameFileFP == NULL)
12251 moveType = (ChessMove) Myylex();
12255 switch (moveType) {
12257 if (appData.debugMode)
12258 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12261 /* append the comment but don't display it */
12262 AppendComment(currentMove, p, FALSE);
12265 case WhiteCapturesEnPassant:
12266 case BlackCapturesEnPassant:
12267 case WhitePromotion:
12268 case BlackPromotion:
12269 case WhiteNonPromotion:
12270 case BlackNonPromotion:
12273 case WhiteKingSideCastle:
12274 case WhiteQueenSideCastle:
12275 case BlackKingSideCastle:
12276 case BlackQueenSideCastle:
12277 case WhiteKingSideCastleWild:
12278 case WhiteQueenSideCastleWild:
12279 case BlackKingSideCastleWild:
12280 case BlackQueenSideCastleWild:
12282 case WhiteHSideCastleFR:
12283 case WhiteASideCastleFR:
12284 case BlackHSideCastleFR:
12285 case BlackASideCastleFR:
12287 if (appData.debugMode)
12288 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12289 fromX = currentMoveString[0] - AAA;
12290 fromY = currentMoveString[1] - ONE;
12291 toX = currentMoveString[2] - AAA;
12292 toY = currentMoveString[3] - ONE;
12293 promoChar = currentMoveString[4];
12294 if(promoChar == ';') promoChar = currentMoveString[7];
12299 if (appData.debugMode)
12300 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12301 fromX = moveType == WhiteDrop ?
12302 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12303 (int) CharToPiece(ToLower(currentMoveString[0]));
12305 toX = currentMoveString[2] - AAA;
12306 toY = currentMoveString[3] - ONE;
12312 case GameUnfinished:
12313 if (appData.debugMode)
12314 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12315 p = strchr(yy_text, '{');
12316 if (p == NULL) p = strchr(yy_text, '(');
12319 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12321 q = strchr(p, *p == '{' ? '}' : ')');
12322 if (q != NULL) *q = NULLCHAR;
12325 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12326 GameEnds(moveType, p, GE_FILE);
12328 if (cmailMsgLoaded) {
12330 flipView = WhiteOnMove(currentMove);
12331 if (moveType == GameUnfinished) flipView = !flipView;
12332 if (appData.debugMode)
12333 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12338 if (appData.debugMode)
12339 fprintf(debugFP, "Parser hit end of file\n");
12340 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12346 if (WhiteOnMove(currentMove)) {
12347 GameEnds(BlackWins, "Black mates", GE_FILE);
12349 GameEnds(WhiteWins, "White mates", GE_FILE);
12353 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12359 case MoveNumberOne:
12360 if (lastLoadGameStart == GNUChessGame) {
12361 /* GNUChessGames have numbers, but they aren't move numbers */
12362 if (appData.debugMode)
12363 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12364 yy_text, (int) moveType);
12365 return LoadGameOneMove(EndOfFile); /* tail recursion */
12367 /* else fall thru */
12372 /* Reached start of next game in file */
12373 if (appData.debugMode)
12374 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12375 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12381 if (WhiteOnMove(currentMove)) {
12382 GameEnds(BlackWins, "Black mates", GE_FILE);
12384 GameEnds(WhiteWins, "White mates", GE_FILE);
12388 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12394 case PositionDiagram: /* should not happen; ignore */
12395 case ElapsedTime: /* ignore */
12396 case NAG: /* ignore */
12397 if (appData.debugMode)
12398 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12399 yy_text, (int) moveType);
12400 return LoadGameOneMove(EndOfFile); /* tail recursion */
12403 if (appData.testLegality) {
12404 if (appData.debugMode)
12405 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12406 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12407 (forwardMostMove / 2) + 1,
12408 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12409 DisplayError(move, 0);
12412 if (appData.debugMode)
12413 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12414 yy_text, currentMoveString);
12415 if(currentMoveString[1] == '@') {
12416 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12419 fromX = currentMoveString[0] - AAA;
12420 fromY = currentMoveString[1] - ONE;
12422 toX = currentMoveString[2] - AAA;
12423 toY = currentMoveString[3] - ONE;
12424 promoChar = currentMoveString[4];
12428 case AmbiguousMove:
12429 if (appData.debugMode)
12430 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12431 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12432 (forwardMostMove / 2) + 1,
12433 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12434 DisplayError(move, 0);
12439 case ImpossibleMove:
12440 if (appData.debugMode)
12441 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12442 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12443 (forwardMostMove / 2) + 1,
12444 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12445 DisplayError(move, 0);
12451 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12452 DrawPosition(FALSE, boards[currentMove]);
12453 DisplayBothClocks();
12454 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12455 DisplayComment(currentMove - 1, commentList[currentMove]);
12457 (void) StopLoadGameTimer();
12459 cmailOldMove = forwardMostMove;
12462 /* currentMoveString is set as a side-effect of yylex */
12464 thinkOutput[0] = NULLCHAR;
12465 MakeMove(fromX, fromY, toX, toY, promoChar);
12466 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12467 currentMove = forwardMostMove;
12472 /* Load the nth game from the given file */
12474 LoadGameFromFile (char *filename, int n, char *title, int useList)
12479 if (strcmp(filename, "-") == 0) {
12483 f = fopen(filename, "rb");
12485 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12486 DisplayError(buf, errno);
12490 if (fseek(f, 0, 0) == -1) {
12491 /* f is not seekable; probably a pipe */
12494 if (useList && n == 0) {
12495 int error = GameListBuild(f);
12497 DisplayError(_("Cannot build game list"), error);
12498 } else if (!ListEmpty(&gameList) &&
12499 ((ListGame *) gameList.tailPred)->number > 1) {
12500 GameListPopUp(f, title);
12507 return LoadGame(f, n, title, FALSE);
12512 MakeRegisteredMove ()
12514 int fromX, fromY, toX, toY;
12516 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12517 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12520 if (appData.debugMode)
12521 fprintf(debugFP, "Restoring %s for game %d\n",
12522 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12524 thinkOutput[0] = NULLCHAR;
12525 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12526 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12527 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12528 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12529 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12530 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12531 MakeMove(fromX, fromY, toX, toY, promoChar);
12532 ShowMove(fromX, fromY, toX, toY);
12534 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12541 if (WhiteOnMove(currentMove)) {
12542 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12544 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12549 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12556 if (WhiteOnMove(currentMove)) {
12557 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12559 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12564 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12575 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12577 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12581 if (gameNumber > nCmailGames) {
12582 DisplayError(_("No more games in this message"), 0);
12585 if (f == lastLoadGameFP) {
12586 int offset = gameNumber - lastLoadGameNumber;
12588 cmailMsg[0] = NULLCHAR;
12589 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12590 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12591 nCmailMovesRegistered--;
12593 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12594 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12595 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12598 if (! RegisterMove()) return FALSE;
12602 retVal = LoadGame(f, gameNumber, title, useList);
12604 /* Make move registered during previous look at this game, if any */
12605 MakeRegisteredMove();
12607 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12608 commentList[currentMove]
12609 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12610 DisplayComment(currentMove - 1, commentList[currentMove]);
12616 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12618 ReloadGame (int offset)
12620 int gameNumber = lastLoadGameNumber + offset;
12621 if (lastLoadGameFP == NULL) {
12622 DisplayError(_("No game has been loaded yet"), 0);
12625 if (gameNumber <= 0) {
12626 DisplayError(_("Can't back up any further"), 0);
12629 if (cmailMsgLoaded) {
12630 return CmailLoadGame(lastLoadGameFP, gameNumber,
12631 lastLoadGameTitle, lastLoadGameUseList);
12633 return LoadGame(lastLoadGameFP, gameNumber,
12634 lastLoadGameTitle, lastLoadGameUseList);
12638 int keys[EmptySquare+1];
12641 PositionMatches (Board b1, Board b2)
12644 switch(appData.searchMode) {
12645 case 1: return CompareWithRights(b1, b2);
12647 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12648 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12652 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12653 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12654 sum += keys[b1[r][f]] - keys[b2[r][f]];
12658 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12659 sum += keys[b1[r][f]] - keys[b2[r][f]];
12671 int pieceList[256], quickBoard[256];
12672 ChessSquare pieceType[256] = { EmptySquare };
12673 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12674 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12675 int soughtTotal, turn;
12676 Boolean epOK, flipSearch;
12679 unsigned char piece, to;
12682 #define DSIZE (250000)
12684 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12685 Move *moveDatabase = initialSpace;
12686 unsigned int movePtr, dataSize = DSIZE;
12689 MakePieceList (Board board, int *counts)
12691 int r, f, n=Q_PROMO, total=0;
12692 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12693 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12694 int sq = f + (r<<4);
12695 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12696 quickBoard[sq] = ++n;
12698 pieceType[n] = board[r][f];
12699 counts[board[r][f]]++;
12700 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12701 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12705 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12710 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12712 int sq = fromX + (fromY<<4);
12713 int piece = quickBoard[sq], rook;
12714 quickBoard[sq] = 0;
12715 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12716 if(piece == pieceList[1] && fromY == toY) {
12717 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12718 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12719 moveDatabase[movePtr++].piece = Q_WCASTL;
12720 quickBoard[sq] = piece;
12721 piece = quickBoard[from]; quickBoard[from] = 0;
12722 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12723 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12724 quickBoard[sq] = 0; // remove Rook
12725 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12726 moveDatabase[movePtr++].piece = Q_WCASTL;
12727 quickBoard[sq] = pieceList[1]; // put King
12729 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12732 if(piece == pieceList[2] && fromY == toY) {
12733 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12734 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12735 moveDatabase[movePtr++].piece = Q_BCASTL;
12736 quickBoard[sq] = piece;
12737 piece = quickBoard[from]; quickBoard[from] = 0;
12738 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12739 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12740 quickBoard[sq] = 0; // remove Rook
12741 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12742 moveDatabase[movePtr++].piece = Q_BCASTL;
12743 quickBoard[sq] = pieceList[2]; // put King
12745 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12748 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12749 quickBoard[(fromY<<4)+toX] = 0;
12750 moveDatabase[movePtr].piece = Q_EP;
12751 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12752 moveDatabase[movePtr].to = sq;
12754 if(promoPiece != pieceType[piece]) {
12755 moveDatabase[movePtr++].piece = Q_PROMO;
12756 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12758 moveDatabase[movePtr].piece = piece;
12759 quickBoard[sq] = piece;
12764 PackGame (Board board)
12766 Move *newSpace = NULL;
12767 moveDatabase[movePtr].piece = 0; // terminate previous game
12768 if(movePtr > dataSize) {
12769 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12770 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12771 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12774 Move *p = moveDatabase, *q = newSpace;
12775 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12776 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12777 moveDatabase = newSpace;
12778 } else { // calloc failed, we must be out of memory. Too bad...
12779 dataSize = 0; // prevent calloc events for all subsequent games
12780 return 0; // and signal this one isn't cached
12784 MakePieceList(board, counts);
12789 QuickCompare (Board board, int *minCounts, int *maxCounts)
12790 { // compare according to search mode
12792 switch(appData.searchMode)
12794 case 1: // exact position match
12795 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12796 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12797 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12800 case 2: // can have extra material on empty squares
12801 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12802 if(board[r][f] == EmptySquare) continue;
12803 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12806 case 3: // material with exact Pawn structure
12807 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12808 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12809 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12810 } // fall through to material comparison
12811 case 4: // exact material
12812 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12814 case 6: // material range with given imbalance
12815 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12816 // fall through to range comparison
12817 case 5: // material range
12818 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12824 QuickScan (Board board, Move *move)
12825 { // reconstruct game,and compare all positions in it
12826 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12828 int piece = move->piece;
12829 int to = move->to, from = pieceList[piece];
12830 if(found < 0) { // if already found just scan to game end for final piece count
12831 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12832 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12833 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12834 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12836 static int lastCounts[EmptySquare+1];
12838 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12839 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12840 } else stretch = 0;
12841 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12842 if(found >= 0 && !appData.minPieces) return found;
12844 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12845 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12846 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12847 piece = (++move)->piece;
12848 from = pieceList[piece];
12849 counts[pieceType[piece]]--;
12850 pieceType[piece] = (ChessSquare) move->to;
12851 counts[move->to]++;
12852 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12853 counts[pieceType[quickBoard[to]]]--;
12854 quickBoard[to] = 0; total--;
12857 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12858 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12859 from = pieceList[piece]; // so this must be King
12860 quickBoard[from] = 0;
12861 pieceList[piece] = to;
12862 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12863 quickBoard[from] = 0; // rook
12864 quickBoard[to] = piece;
12865 to = move->to; piece = move->piece;
12869 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12870 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12871 quickBoard[from] = 0;
12873 quickBoard[to] = piece;
12874 pieceList[piece] = to;
12884 flipSearch = FALSE;
12885 CopyBoard(soughtBoard, boards[currentMove]);
12886 soughtTotal = MakePieceList(soughtBoard, maxSought);
12887 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12888 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12889 CopyBoard(reverseBoard, boards[currentMove]);
12890 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12891 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12892 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12893 reverseBoard[r][f] = piece;
12895 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12896 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12897 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12898 || (boards[currentMove][CASTLING][2] == NoRights ||
12899 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12900 && (boards[currentMove][CASTLING][5] == NoRights ||
12901 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12904 CopyBoard(flipBoard, soughtBoard);
12905 CopyBoard(rotateBoard, reverseBoard);
12906 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12907 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12908 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12911 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12912 if(appData.searchMode >= 5) {
12913 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12914 MakePieceList(soughtBoard, minSought);
12915 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12917 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12918 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12921 GameInfo dummyInfo;
12922 static int creatingBook;
12925 GameContainsPosition (FILE *f, ListGame *lg)
12927 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12928 int fromX, fromY, toX, toY;
12930 static int initDone=FALSE;
12932 // weed out games based on numerical tag comparison
12933 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12934 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12935 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12936 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12938 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12941 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12942 else CopyBoard(boards[scratch], initialPosition); // default start position
12945 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12946 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12949 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12950 fseek(f, lg->offset, 0);
12953 yyboardindex = scratch;
12954 quickFlag = plyNr+1;
12959 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12965 if(plyNr) return -1; // after we have seen moves, this is for new game
12968 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12969 case ImpossibleMove:
12970 case WhiteWins: // game ends here with these four
12973 case GameUnfinished:
12977 if(appData.testLegality) return -1;
12978 case WhiteCapturesEnPassant:
12979 case BlackCapturesEnPassant:
12980 case WhitePromotion:
12981 case BlackPromotion:
12982 case WhiteNonPromotion:
12983 case BlackNonPromotion:
12986 case WhiteKingSideCastle:
12987 case WhiteQueenSideCastle:
12988 case BlackKingSideCastle:
12989 case BlackQueenSideCastle:
12990 case WhiteKingSideCastleWild:
12991 case WhiteQueenSideCastleWild:
12992 case BlackKingSideCastleWild:
12993 case BlackQueenSideCastleWild:
12994 case WhiteHSideCastleFR:
12995 case WhiteASideCastleFR:
12996 case BlackHSideCastleFR:
12997 case BlackASideCastleFR:
12998 fromX = currentMoveString[0] - AAA;
12999 fromY = currentMoveString[1] - ONE;
13000 toX = currentMoveString[2] - AAA;
13001 toY = currentMoveString[3] - ONE;
13002 promoChar = currentMoveString[4];
13006 fromX = next == WhiteDrop ?
13007 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13008 (int) CharToPiece(ToLower(currentMoveString[0]));
13010 toX = currentMoveString[2] - AAA;
13011 toY = currentMoveString[3] - ONE;
13015 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13017 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13018 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13019 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13020 if(appData.findMirror) {
13021 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13022 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13027 /* Load the nth game from open file f */
13029 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13033 int gn = gameNumber;
13034 ListGame *lg = NULL;
13035 int numPGNTags = 0, i;
13037 GameMode oldGameMode;
13038 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13039 char oldName[MSG_SIZ];
13041 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13043 if (appData.debugMode)
13044 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13046 if (gameMode == Training )
13047 SetTrainingModeOff();
13049 oldGameMode = gameMode;
13050 if (gameMode != BeginningOfGame) {
13051 Reset(FALSE, TRUE);
13053 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13056 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13057 fclose(lastLoadGameFP);
13061 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13064 fseek(f, lg->offset, 0);
13065 GameListHighlight(gameNumber);
13066 pos = lg->position;
13070 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13071 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13073 DisplayError(_("Game number out of range"), 0);
13078 if (fseek(f, 0, 0) == -1) {
13079 if (f == lastLoadGameFP ?
13080 gameNumber == lastLoadGameNumber + 1 :
13084 DisplayError(_("Can't seek on game file"), 0);
13089 lastLoadGameFP = f;
13090 lastLoadGameNumber = gameNumber;
13091 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13092 lastLoadGameUseList = useList;
13096 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13097 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13098 lg->gameInfo.black);
13100 } else if (*title != NULLCHAR) {
13101 if (gameNumber > 1) {
13102 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13105 DisplayTitle(title);
13109 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13110 gameMode = PlayFromGameFile;
13114 currentMove = forwardMostMove = backwardMostMove = 0;
13115 CopyBoard(boards[0], initialPosition);
13119 * Skip the first gn-1 games in the file.
13120 * Also skip over anything that precedes an identifiable
13121 * start of game marker, to avoid being confused by
13122 * garbage at the start of the file. Currently
13123 * recognized start of game markers are the move number "1",
13124 * the pattern "gnuchess .* game", the pattern
13125 * "^[#;%] [^ ]* game file", and a PGN tag block.
13126 * A game that starts with one of the latter two patterns
13127 * will also have a move number 1, possibly
13128 * following a position diagram.
13129 * 5-4-02: Let's try being more lenient and allowing a game to
13130 * start with an unnumbered move. Does that break anything?
13132 cm = lastLoadGameStart = EndOfFile;
13134 yyboardindex = forwardMostMove;
13135 cm = (ChessMove) Myylex();
13138 if (cmailMsgLoaded) {
13139 nCmailGames = CMAIL_MAX_GAMES - gn;
13142 DisplayError(_("Game not found in file"), 0);
13149 lastLoadGameStart = cm;
13152 case MoveNumberOne:
13153 switch (lastLoadGameStart) {
13158 case MoveNumberOne:
13160 gn--; /* count this game */
13161 lastLoadGameStart = cm;
13170 switch (lastLoadGameStart) {
13173 case MoveNumberOne:
13175 gn--; /* count this game */
13176 lastLoadGameStart = cm;
13179 lastLoadGameStart = cm; /* game counted already */
13187 yyboardindex = forwardMostMove;
13188 cm = (ChessMove) Myylex();
13189 } while (cm == PGNTag || cm == Comment);
13196 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13197 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13198 != CMAIL_OLD_RESULT) {
13200 cmailResult[ CMAIL_MAX_GAMES
13201 - gn - 1] = CMAIL_OLD_RESULT;
13208 /* Only a NormalMove can be at the start of a game
13209 * without a position diagram. */
13210 if (lastLoadGameStart == EndOfFile ) {
13212 lastLoadGameStart = MoveNumberOne;
13221 if (appData.debugMode)
13222 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13224 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13226 if (cm == XBoardGame) {
13227 /* Skip any header junk before position diagram and/or move 1 */
13229 yyboardindex = forwardMostMove;
13230 cm = (ChessMove) Myylex();
13232 if (cm == EndOfFile ||
13233 cm == GNUChessGame || cm == XBoardGame) {
13234 /* Empty game; pretend end-of-file and handle later */
13239 if (cm == MoveNumberOne || cm == PositionDiagram ||
13240 cm == PGNTag || cm == Comment)
13243 } else if (cm == GNUChessGame) {
13244 if (gameInfo.event != NULL) {
13245 free(gameInfo.event);
13247 gameInfo.event = StrSave(yy_text);
13250 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13251 while (cm == PGNTag) {
13252 if (appData.debugMode)
13253 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13254 err = ParsePGNTag(yy_text, &gameInfo);
13255 if (!err) numPGNTags++;
13257 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13258 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13259 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13260 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13261 InitPosition(TRUE);
13262 oldVariant = gameInfo.variant;
13263 if (appData.debugMode)
13264 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13268 if (gameInfo.fen != NULL) {
13269 Board initial_position;
13270 startedFromSetupPosition = TRUE;
13271 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13273 DisplayError(_("Bad FEN position in file"), 0);
13276 CopyBoard(boards[0], initial_position);
13277 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13278 CopyBoard(initialPosition, initial_position);
13279 if (blackPlaysFirst) {
13280 currentMove = forwardMostMove = backwardMostMove = 1;
13281 CopyBoard(boards[1], initial_position);
13282 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13283 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13284 timeRemaining[0][1] = whiteTimeRemaining;
13285 timeRemaining[1][1] = blackTimeRemaining;
13286 if (commentList[0] != NULL) {
13287 commentList[1] = commentList[0];
13288 commentList[0] = NULL;
13291 currentMove = forwardMostMove = backwardMostMove = 0;
13293 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13295 initialRulePlies = FENrulePlies;
13296 for( i=0; i< nrCastlingRights; i++ )
13297 initialRights[i] = initial_position[CASTLING][i];
13299 yyboardindex = forwardMostMove;
13300 free(gameInfo.fen);
13301 gameInfo.fen = NULL;
13304 yyboardindex = forwardMostMove;
13305 cm = (ChessMove) Myylex();
13307 /* Handle comments interspersed among the tags */
13308 while (cm == Comment) {
13310 if (appData.debugMode)
13311 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13313 AppendComment(currentMove, p, FALSE);
13314 yyboardindex = forwardMostMove;
13315 cm = (ChessMove) Myylex();
13319 /* don't rely on existence of Event tag since if game was
13320 * pasted from clipboard the Event tag may not exist
13322 if (numPGNTags > 0){
13324 if (gameInfo.variant == VariantNormal) {
13325 VariantClass v = StringToVariant(gameInfo.event);
13326 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13327 if(v < VariantShogi) gameInfo.variant = v;
13330 if( appData.autoDisplayTags ) {
13331 tags = PGNTags(&gameInfo);
13332 TagsPopUp(tags, CmailMsg());
13337 /* Make something up, but don't display it now */
13342 if (cm == PositionDiagram) {
13345 Board initial_position;
13347 if (appData.debugMode)
13348 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13350 if (!startedFromSetupPosition) {
13352 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13353 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13364 initial_position[i][j++] = CharToPiece(*p);
13367 while (*p == ' ' || *p == '\t' ||
13368 *p == '\n' || *p == '\r') p++;
13370 if (strncmp(p, "black", strlen("black"))==0)
13371 blackPlaysFirst = TRUE;
13373 blackPlaysFirst = FALSE;
13374 startedFromSetupPosition = TRUE;
13376 CopyBoard(boards[0], initial_position);
13377 if (blackPlaysFirst) {
13378 currentMove = forwardMostMove = backwardMostMove = 1;
13379 CopyBoard(boards[1], initial_position);
13380 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13381 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13382 timeRemaining[0][1] = whiteTimeRemaining;
13383 timeRemaining[1][1] = blackTimeRemaining;
13384 if (commentList[0] != NULL) {
13385 commentList[1] = commentList[0];
13386 commentList[0] = NULL;
13389 currentMove = forwardMostMove = backwardMostMove = 0;
13392 yyboardindex = forwardMostMove;
13393 cm = (ChessMove) Myylex();
13396 if(!creatingBook) {
13397 if (first.pr == NoProc) {
13398 StartChessProgram(&first);
13400 InitChessProgram(&first, FALSE);
13401 if(gameInfo.variant == VariantUnknown && *oldName) {
13402 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13403 gameInfo.variant = v;
13405 SendToProgram("force\n", &first);
13406 if (startedFromSetupPosition) {
13407 SendBoard(&first, forwardMostMove);
13408 if (appData.debugMode) {
13409 fprintf(debugFP, "Load Game\n");
13411 DisplayBothClocks();
13415 /* [HGM] server: flag to write setup moves in broadcast file as one */
13416 loadFlag = appData.suppressLoadMoves;
13418 while (cm == Comment) {
13420 if (appData.debugMode)
13421 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13423 AppendComment(currentMove, p, FALSE);
13424 yyboardindex = forwardMostMove;
13425 cm = (ChessMove) Myylex();
13428 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13429 cm == WhiteWins || cm == BlackWins ||
13430 cm == GameIsDrawn || cm == GameUnfinished) {
13431 DisplayMessage("", _("No moves in game"));
13432 if (cmailMsgLoaded) {
13433 if (appData.debugMode)
13434 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13438 DrawPosition(FALSE, boards[currentMove]);
13439 DisplayBothClocks();
13440 gameMode = EditGame;
13447 // [HGM] PV info: routine tests if comment empty
13448 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13449 DisplayComment(currentMove - 1, commentList[currentMove]);
13451 if (!matchMode && appData.timeDelay != 0)
13452 DrawPosition(FALSE, boards[currentMove]);
13454 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13455 programStats.ok_to_send = 1;
13458 /* if the first token after the PGN tags is a move
13459 * and not move number 1, retrieve it from the parser
13461 if (cm != MoveNumberOne)
13462 LoadGameOneMove(cm);
13464 /* load the remaining moves from the file */
13465 while (LoadGameOneMove(EndOfFile)) {
13466 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13467 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13470 /* rewind to the start of the game */
13471 currentMove = backwardMostMove;
13473 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13475 if (oldGameMode == AnalyzeFile) {
13476 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13477 AnalyzeFileEvent();
13479 if (oldGameMode == AnalyzeMode) {
13480 AnalyzeFileEvent();
13483 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13484 long int w, b; // [HGM] adjourn: restore saved clock times
13485 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13486 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13487 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13488 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13492 if(creatingBook) return TRUE;
13493 if (!matchMode && pos > 0) {
13494 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13496 if (matchMode || appData.timeDelay == 0) {
13498 } else if (appData.timeDelay > 0) {
13499 AutoPlayGameLoop();
13502 if (appData.debugMode)
13503 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13505 loadFlag = 0; /* [HGM] true game starts */
13509 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13511 ReloadPosition (int offset)
13513 int positionNumber = lastLoadPositionNumber + offset;
13514 if (lastLoadPositionFP == NULL) {
13515 DisplayError(_("No position has been loaded yet"), 0);
13518 if (positionNumber <= 0) {
13519 DisplayError(_("Can't back up any further"), 0);
13522 return LoadPosition(lastLoadPositionFP, positionNumber,
13523 lastLoadPositionTitle);
13526 /* Load the nth position from the given file */
13528 LoadPositionFromFile (char *filename, int n, char *title)
13533 if (strcmp(filename, "-") == 0) {
13534 return LoadPosition(stdin, n, "stdin");
13536 f = fopen(filename, "rb");
13538 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13539 DisplayError(buf, errno);
13542 return LoadPosition(f, n, title);
13547 /* Load the nth position from the given open file, and close it */
13549 LoadPosition (FILE *f, int positionNumber, char *title)
13551 char *p, line[MSG_SIZ];
13552 Board initial_position;
13553 int i, j, fenMode, pn;
13555 if (gameMode == Training )
13556 SetTrainingModeOff();
13558 if (gameMode != BeginningOfGame) {
13559 Reset(FALSE, TRUE);
13561 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13562 fclose(lastLoadPositionFP);
13564 if (positionNumber == 0) positionNumber = 1;
13565 lastLoadPositionFP = f;
13566 lastLoadPositionNumber = positionNumber;
13567 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13568 if (first.pr == NoProc && !appData.noChessProgram) {
13569 StartChessProgram(&first);
13570 InitChessProgram(&first, FALSE);
13572 pn = positionNumber;
13573 if (positionNumber < 0) {
13574 /* Negative position number means to seek to that byte offset */
13575 if (fseek(f, -positionNumber, 0) == -1) {
13576 DisplayError(_("Can't seek on position file"), 0);
13581 if (fseek(f, 0, 0) == -1) {
13582 if (f == lastLoadPositionFP ?
13583 positionNumber == lastLoadPositionNumber + 1 :
13584 positionNumber == 1) {
13587 DisplayError(_("Can't seek on position file"), 0);
13592 /* See if this file is FEN or old-style xboard */
13593 if (fgets(line, MSG_SIZ, f) == NULL) {
13594 DisplayError(_("Position not found in file"), 0);
13597 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13598 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13601 if (fenMode || line[0] == '#') pn--;
13603 /* skip positions before number pn */
13604 if (fgets(line, MSG_SIZ, f) == NULL) {
13606 DisplayError(_("Position not found in file"), 0);
13609 if (fenMode || line[0] == '#') pn--;
13615 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13616 DisplayError(_("Bad FEN position in file"), 0);
13619 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13620 sscanf(p+4, "%[^;]", bestMove);
13621 } else *bestMove = NULLCHAR;
13622 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13623 sscanf(p+4, "%[^;]", avoidMove);
13624 } else *avoidMove = NULLCHAR;
13626 (void) fgets(line, MSG_SIZ, f);
13627 (void) fgets(line, MSG_SIZ, f);
13629 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13630 (void) fgets(line, MSG_SIZ, f);
13631 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13634 initial_position[i][j++] = CharToPiece(*p);
13638 blackPlaysFirst = FALSE;
13640 (void) fgets(line, MSG_SIZ, f);
13641 if (strncmp(line, "black", strlen("black"))==0)
13642 blackPlaysFirst = TRUE;
13645 startedFromSetupPosition = TRUE;
13647 CopyBoard(boards[0], initial_position);
13648 if (blackPlaysFirst) {
13649 currentMove = forwardMostMove = backwardMostMove = 1;
13650 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13651 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13652 CopyBoard(boards[1], initial_position);
13653 DisplayMessage("", _("Black to play"));
13655 currentMove = forwardMostMove = backwardMostMove = 0;
13656 DisplayMessage("", _("White to play"));
13658 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13659 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13660 SendToProgram("force\n", &first);
13661 SendBoard(&first, forwardMostMove);
13663 if (appData.debugMode) {
13665 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13666 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13667 fprintf(debugFP, "Load Position\n");
13670 if (positionNumber > 1) {
13671 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13672 DisplayTitle(line);
13674 DisplayTitle(title);
13676 gameMode = EditGame;
13679 timeRemaining[0][1] = whiteTimeRemaining;
13680 timeRemaining[1][1] = blackTimeRemaining;
13681 DrawPosition(FALSE, boards[currentMove]);
13688 CopyPlayerNameIntoFileName (char **dest, char *src)
13690 while (*src != NULLCHAR && *src != ',') {
13695 *(*dest)++ = *src++;
13701 DefaultFileName (char *ext)
13703 static char def[MSG_SIZ];
13706 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13708 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13710 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13712 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13719 /* Save the current game to the given file */
13721 SaveGameToFile (char *filename, int append)
13725 int result, i, t,tot=0;
13727 if (strcmp(filename, "-") == 0) {
13728 return SaveGame(stdout, 0, NULL);
13730 for(i=0; i<10; i++) { // upto 10 tries
13731 f = fopen(filename, append ? "a" : "w");
13732 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13733 if(f || errno != 13) break;
13734 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13738 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13739 DisplayError(buf, errno);
13742 safeStrCpy(buf, lastMsg, MSG_SIZ);
13743 DisplayMessage(_("Waiting for access to save file"), "");
13744 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13745 DisplayMessage(_("Saving game"), "");
13746 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13747 result = SaveGame(f, 0, NULL);
13748 DisplayMessage(buf, "");
13755 SavePart (char *str)
13757 static char buf[MSG_SIZ];
13760 p = strchr(str, ' ');
13761 if (p == NULL) return str;
13762 strncpy(buf, str, p - str);
13763 buf[p - str] = NULLCHAR;
13767 #define PGN_MAX_LINE 75
13769 #define PGN_SIDE_WHITE 0
13770 #define PGN_SIDE_BLACK 1
13773 FindFirstMoveOutOfBook (int side)
13777 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13778 int index = backwardMostMove;
13779 int has_book_hit = 0;
13781 if( (index % 2) != side ) {
13785 while( index < forwardMostMove ) {
13786 /* Check to see if engine is in book */
13787 int depth = pvInfoList[index].depth;
13788 int score = pvInfoList[index].score;
13794 else if( score == 0 && depth == 63 ) {
13795 in_book = 1; /* Zappa */
13797 else if( score == 2 && depth == 99 ) {
13798 in_book = 1; /* Abrok */
13801 has_book_hit += in_book;
13817 GetOutOfBookInfo (char * buf)
13821 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13823 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13824 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13828 if( oob[0] >= 0 || oob[1] >= 0 ) {
13829 for( i=0; i<2; i++ ) {
13833 if( i > 0 && oob[0] >= 0 ) {
13834 strcat( buf, " " );
13837 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13838 sprintf( buf+strlen(buf), "%s%.2f",
13839 pvInfoList[idx].score >= 0 ? "+" : "",
13840 pvInfoList[idx].score / 100.0 );
13846 /* Save game in PGN style */
13848 SaveGamePGN2 (FILE *f)
13850 int i, offset, linelen, newblock;
13853 int movelen, numlen, blank;
13854 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13856 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13858 PrintPGNTags(f, &gameInfo);
13860 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13862 if (backwardMostMove > 0 || startedFromSetupPosition) {
13863 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13864 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13865 fprintf(f, "\n{--------------\n");
13866 PrintPosition(f, backwardMostMove);
13867 fprintf(f, "--------------}\n");
13871 /* [AS] Out of book annotation */
13872 if( appData.saveOutOfBookInfo ) {
13875 GetOutOfBookInfo( buf );
13877 if( buf[0] != '\0' ) {
13878 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13885 i = backwardMostMove;
13889 while (i < forwardMostMove) {
13890 /* Print comments preceding this move */
13891 if (commentList[i] != NULL) {
13892 if (linelen > 0) fprintf(f, "\n");
13893 fprintf(f, "%s", commentList[i]);
13898 /* Format move number */
13900 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13903 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13905 numtext[0] = NULLCHAR;
13907 numlen = strlen(numtext);
13910 /* Print move number */
13911 blank = linelen > 0 && numlen > 0;
13912 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13921 fprintf(f, "%s", numtext);
13925 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13926 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13929 blank = linelen > 0 && movelen > 0;
13930 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13939 fprintf(f, "%s", move_buffer);
13940 linelen += movelen;
13942 /* [AS] Add PV info if present */
13943 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13944 /* [HGM] add time */
13945 char buf[MSG_SIZ]; int seconds;
13947 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13953 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13956 seconds = (seconds + 4)/10; // round to full seconds
13958 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13960 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13963 if(appData.cumulativeTimePGN) {
13964 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13967 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13968 pvInfoList[i].score >= 0 ? "+" : "",
13969 pvInfoList[i].score / 100.0,
13970 pvInfoList[i].depth,
13973 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13975 /* Print score/depth */
13976 blank = linelen > 0 && movelen > 0;
13977 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13986 fprintf(f, "%s", move_buffer);
13987 linelen += movelen;
13993 /* Start a new line */
13994 if (linelen > 0) fprintf(f, "\n");
13996 /* Print comments after last move */
13997 if (commentList[i] != NULL) {
13998 fprintf(f, "%s\n", commentList[i]);
14002 if (gameInfo.resultDetails != NULL &&
14003 gameInfo.resultDetails[0] != NULLCHAR) {
14004 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14005 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14006 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14007 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14008 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14010 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14014 /* Save game in PGN style and close the file */
14016 SaveGamePGN (FILE *f)
14020 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14024 /* Save game in old style and close the file */
14026 SaveGameOldStyle (FILE *f)
14031 tm = time((time_t *) NULL);
14033 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14036 if (backwardMostMove > 0 || startedFromSetupPosition) {
14037 fprintf(f, "\n[--------------\n");
14038 PrintPosition(f, backwardMostMove);
14039 fprintf(f, "--------------]\n");
14044 i = backwardMostMove;
14045 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14047 while (i < forwardMostMove) {
14048 if (commentList[i] != NULL) {
14049 fprintf(f, "[%s]\n", commentList[i]);
14052 if ((i % 2) == 1) {
14053 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14056 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14058 if (commentList[i] != NULL) {
14062 if (i >= forwardMostMove) {
14066 fprintf(f, "%s\n", parseList[i]);
14071 if (commentList[i] != NULL) {
14072 fprintf(f, "[%s]\n", commentList[i]);
14075 /* This isn't really the old style, but it's close enough */
14076 if (gameInfo.resultDetails != NULL &&
14077 gameInfo.resultDetails[0] != NULLCHAR) {
14078 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14079 gameInfo.resultDetails);
14081 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14088 /* Save the current game to open file f and close the file */
14090 SaveGame (FILE *f, int dummy, char *dummy2)
14092 if (gameMode == EditPosition) EditPositionDone(TRUE);
14093 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14094 if (appData.oldSaveStyle)
14095 return SaveGameOldStyle(f);
14097 return SaveGamePGN(f);
14100 /* Save the current position to the given file */
14102 SavePositionToFile (char *filename)
14107 if (strcmp(filename, "-") == 0) {
14108 return SavePosition(stdout, 0, NULL);
14110 f = fopen(filename, "a");
14112 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14113 DisplayError(buf, errno);
14116 safeStrCpy(buf, lastMsg, MSG_SIZ);
14117 DisplayMessage(_("Waiting for access to save file"), "");
14118 flock(fileno(f), LOCK_EX); // [HGM] lock
14119 DisplayMessage(_("Saving position"), "");
14120 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14121 SavePosition(f, 0, NULL);
14122 DisplayMessage(buf, "");
14128 /* Save the current position to the given open file and close the file */
14130 SavePosition (FILE *f, int dummy, char *dummy2)
14135 if (gameMode == EditPosition) EditPositionDone(TRUE);
14136 if (appData.oldSaveStyle) {
14137 tm = time((time_t *) NULL);
14139 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14141 fprintf(f, "[--------------\n");
14142 PrintPosition(f, currentMove);
14143 fprintf(f, "--------------]\n");
14145 fen = PositionToFEN(currentMove, NULL, 1);
14146 fprintf(f, "%s\n", fen);
14154 ReloadCmailMsgEvent (int unregister)
14157 static char *inFilename = NULL;
14158 static char *outFilename;
14160 struct stat inbuf, outbuf;
14163 /* Any registered moves are unregistered if unregister is set, */
14164 /* i.e. invoked by the signal handler */
14166 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14167 cmailMoveRegistered[i] = FALSE;
14168 if (cmailCommentList[i] != NULL) {
14169 free(cmailCommentList[i]);
14170 cmailCommentList[i] = NULL;
14173 nCmailMovesRegistered = 0;
14176 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14177 cmailResult[i] = CMAIL_NOT_RESULT;
14181 if (inFilename == NULL) {
14182 /* Because the filenames are static they only get malloced once */
14183 /* and they never get freed */
14184 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14185 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14187 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14188 sprintf(outFilename, "%s.out", appData.cmailGameName);
14191 status = stat(outFilename, &outbuf);
14193 cmailMailedMove = FALSE;
14195 status = stat(inFilename, &inbuf);
14196 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14199 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14200 counts the games, notes how each one terminated, etc.
14202 It would be nice to remove this kludge and instead gather all
14203 the information while building the game list. (And to keep it
14204 in the game list nodes instead of having a bunch of fixed-size
14205 parallel arrays.) Note this will require getting each game's
14206 termination from the PGN tags, as the game list builder does
14207 not process the game moves. --mann
14209 cmailMsgLoaded = TRUE;
14210 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14212 /* Load first game in the file or popup game menu */
14213 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14215 #endif /* !WIN32 */
14223 char string[MSG_SIZ];
14225 if ( cmailMailedMove
14226 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14227 return TRUE; /* Allow free viewing */
14230 /* Unregister move to ensure that we don't leave RegisterMove */
14231 /* with the move registered when the conditions for registering no */
14233 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14234 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14235 nCmailMovesRegistered --;
14237 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14239 free(cmailCommentList[lastLoadGameNumber - 1]);
14240 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14244 if (cmailOldMove == -1) {
14245 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14249 if (currentMove > cmailOldMove + 1) {
14250 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14254 if (currentMove < cmailOldMove) {
14255 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14259 if (forwardMostMove > currentMove) {
14260 /* Silently truncate extra moves */
14264 if ( (currentMove == cmailOldMove + 1)
14265 || ( (currentMove == cmailOldMove)
14266 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14267 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14268 if (gameInfo.result != GameUnfinished) {
14269 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14272 if (commentList[currentMove] != NULL) {
14273 cmailCommentList[lastLoadGameNumber - 1]
14274 = StrSave(commentList[currentMove]);
14276 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14278 if (appData.debugMode)
14279 fprintf(debugFP, "Saving %s for game %d\n",
14280 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14282 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14284 f = fopen(string, "w");
14285 if (appData.oldSaveStyle) {
14286 SaveGameOldStyle(f); /* also closes the file */
14288 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14289 f = fopen(string, "w");
14290 SavePosition(f, 0, NULL); /* also closes the file */
14292 fprintf(f, "{--------------\n");
14293 PrintPosition(f, currentMove);
14294 fprintf(f, "--------------}\n\n");
14296 SaveGame(f, 0, NULL); /* also closes the file*/
14299 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14300 nCmailMovesRegistered ++;
14301 } else if (nCmailGames == 1) {
14302 DisplayError(_("You have not made a move yet"), 0);
14313 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14314 FILE *commandOutput;
14315 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14316 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14322 if (! cmailMsgLoaded) {
14323 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14327 if (nCmailGames == nCmailResults) {
14328 DisplayError(_("No unfinished games"), 0);
14332 #if CMAIL_PROHIBIT_REMAIL
14333 if (cmailMailedMove) {
14334 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);
14335 DisplayError(msg, 0);
14340 if (! (cmailMailedMove || RegisterMove())) return;
14342 if ( cmailMailedMove
14343 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14344 snprintf(string, MSG_SIZ, partCommandString,
14345 appData.debugMode ? " -v" : "", appData.cmailGameName);
14346 commandOutput = popen(string, "r");
14348 if (commandOutput == NULL) {
14349 DisplayError(_("Failed to invoke cmail"), 0);
14351 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14352 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14354 if (nBuffers > 1) {
14355 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14356 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14357 nBytes = MSG_SIZ - 1;
14359 (void) memcpy(msg, buffer, nBytes);
14361 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14363 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14364 cmailMailedMove = TRUE; /* Prevent >1 moves */
14367 for (i = 0; i < nCmailGames; i ++) {
14368 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14373 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14375 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14377 appData.cmailGameName,
14379 LoadGameFromFile(buffer, 1, buffer, FALSE);
14380 cmailMsgLoaded = FALSE;
14384 DisplayInformation(msg);
14385 pclose(commandOutput);
14388 if ((*cmailMsg) != '\0') {
14389 DisplayInformation(cmailMsg);
14394 #endif /* !WIN32 */
14403 int prependComma = 0;
14405 char string[MSG_SIZ]; /* Space for game-list */
14408 if (!cmailMsgLoaded) return "";
14410 if (cmailMailedMove) {
14411 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14413 /* Create a list of games left */
14414 snprintf(string, MSG_SIZ, "[");
14415 for (i = 0; i < nCmailGames; i ++) {
14416 if (! ( cmailMoveRegistered[i]
14417 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14418 if (prependComma) {
14419 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14421 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14425 strcat(string, number);
14428 strcat(string, "]");
14430 if (nCmailMovesRegistered + nCmailResults == 0) {
14431 switch (nCmailGames) {
14433 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14437 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14441 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14446 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14448 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14453 if (nCmailResults == nCmailGames) {
14454 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14456 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14461 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14473 if (gameMode == Training)
14474 SetTrainingModeOff();
14477 cmailMsgLoaded = FALSE;
14478 if (appData.icsActive) {
14479 SendToICS(ics_prefix);
14480 SendToICS("refresh\n");
14485 ExitEvent (int status)
14489 /* Give up on clean exit */
14493 /* Keep trying for clean exit */
14497 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14498 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14500 if (telnetISR != NULL) {
14501 RemoveInputSource(telnetISR);
14503 if (icsPR != NoProc) {
14504 DestroyChildProcess(icsPR, TRUE);
14507 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14508 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14510 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14511 /* make sure this other one finishes before killing it! */
14512 if(endingGame) { int count = 0;
14513 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14514 while(endingGame && count++ < 10) DoSleep(1);
14515 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14518 /* Kill off chess programs */
14519 if (first.pr != NoProc) {
14522 DoSleep( appData.delayBeforeQuit );
14523 SendToProgram("quit\n", &first);
14524 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14526 if (second.pr != NoProc) {
14527 DoSleep( appData.delayBeforeQuit );
14528 SendToProgram("quit\n", &second);
14529 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14531 if (first.isr != NULL) {
14532 RemoveInputSource(first.isr);
14534 if (second.isr != NULL) {
14535 RemoveInputSource(second.isr);
14538 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14539 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14541 ShutDownFrontEnd();
14546 PauseEngine (ChessProgramState *cps)
14548 SendToProgram("pause\n", cps);
14553 UnPauseEngine (ChessProgramState *cps)
14555 SendToProgram("resume\n", cps);
14562 if (appData.debugMode)
14563 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14567 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14569 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14570 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14571 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14573 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14574 HandleMachineMove(stashedInputMove, stalledEngine);
14575 stalledEngine = NULL;
14578 if (gameMode == MachinePlaysWhite ||
14579 gameMode == TwoMachinesPlay ||
14580 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14581 if(first.pause) UnPauseEngine(&first);
14582 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14583 if(second.pause) UnPauseEngine(&second);
14584 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14587 DisplayBothClocks();
14589 if (gameMode == PlayFromGameFile) {
14590 if (appData.timeDelay >= 0)
14591 AutoPlayGameLoop();
14592 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14593 Reset(FALSE, TRUE);
14594 SendToICS(ics_prefix);
14595 SendToICS("refresh\n");
14596 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14597 ForwardInner(forwardMostMove);
14599 pauseExamInvalid = FALSE;
14601 switch (gameMode) {
14605 pauseExamForwardMostMove = forwardMostMove;
14606 pauseExamInvalid = FALSE;
14609 case IcsPlayingWhite:
14610 case IcsPlayingBlack:
14614 case PlayFromGameFile:
14615 (void) StopLoadGameTimer();
14619 case BeginningOfGame:
14620 if (appData.icsActive) return;
14621 /* else fall through */
14622 case MachinePlaysWhite:
14623 case MachinePlaysBlack:
14624 case TwoMachinesPlay:
14625 if (forwardMostMove == 0)
14626 return; /* don't pause if no one has moved */
14627 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14628 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14629 if(onMove->pause) { // thinking engine can be paused
14630 PauseEngine(onMove); // do it
14631 if(onMove->other->pause) // pondering opponent can always be paused immediately
14632 PauseEngine(onMove->other);
14634 SendToProgram("easy\n", onMove->other);
14636 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14637 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14639 PauseEngine(&first);
14641 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14642 } else { // human on move, pause pondering by either method
14644 PauseEngine(&first);
14645 else if(appData.ponderNextMove)
14646 SendToProgram("easy\n", &first);
14649 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14659 EditCommentEvent ()
14661 char title[MSG_SIZ];
14663 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14664 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14666 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14667 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14668 parseList[currentMove - 1]);
14671 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14678 char *tags = PGNTags(&gameInfo);
14680 EditTagsPopUp(tags, NULL);
14687 if(second.analyzing) {
14688 SendToProgram("exit\n", &second);
14689 second.analyzing = FALSE;
14691 if (second.pr == NoProc) StartChessProgram(&second);
14692 InitChessProgram(&second, FALSE);
14693 FeedMovesToProgram(&second, currentMove);
14695 SendToProgram("analyze\n", &second);
14696 second.analyzing = TRUE;
14700 /* Toggle ShowThinking */
14702 ToggleShowThinking()
14704 appData.showThinking = !appData.showThinking;
14705 ShowThinkingEvent();
14709 AnalyzeModeEvent ()
14713 if (!first.analysisSupport) {
14714 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14715 DisplayError(buf, 0);
14718 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14719 if (appData.icsActive) {
14720 if (gameMode != IcsObserving) {
14721 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14722 DisplayError(buf, 0);
14724 if (appData.icsEngineAnalyze) {
14725 if (appData.debugMode)
14726 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14732 /* if enable, user wants to disable icsEngineAnalyze */
14733 if (appData.icsEngineAnalyze) {
14738 appData.icsEngineAnalyze = TRUE;
14739 if (appData.debugMode)
14740 fprintf(debugFP, "ICS engine analyze starting... \n");
14743 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14744 if (appData.noChessProgram || gameMode == AnalyzeMode)
14747 if (gameMode != AnalyzeFile) {
14748 if (!appData.icsEngineAnalyze) {
14750 if (gameMode != EditGame) return 0;
14752 if (!appData.showThinking) ToggleShowThinking();
14753 ResurrectChessProgram();
14754 SendToProgram("analyze\n", &first);
14755 first.analyzing = TRUE;
14756 /*first.maybeThinking = TRUE;*/
14757 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14758 EngineOutputPopUp();
14760 if (!appData.icsEngineAnalyze) {
14761 gameMode = AnalyzeMode;
14762 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14768 StartAnalysisClock();
14769 GetTimeMark(&lastNodeCountTime);
14775 AnalyzeFileEvent ()
14777 if (appData.noChessProgram || gameMode == AnalyzeFile)
14780 if (!first.analysisSupport) {
14782 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14783 DisplayError(buf, 0);
14787 if (gameMode != AnalyzeMode) {
14788 keepInfo = 1; // mere annotating should not alter PGN tags
14791 if (gameMode != EditGame) return;
14792 if (!appData.showThinking) ToggleShowThinking();
14793 ResurrectChessProgram();
14794 SendToProgram("analyze\n", &first);
14795 first.analyzing = TRUE;
14796 /*first.maybeThinking = TRUE;*/
14797 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14798 EngineOutputPopUp();
14800 gameMode = AnalyzeFile;
14804 StartAnalysisClock();
14805 GetTimeMark(&lastNodeCountTime);
14807 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14808 AnalysisPeriodicEvent(1);
14812 MachineWhiteEvent ()
14815 char *bookHit = NULL;
14817 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14821 if (gameMode == PlayFromGameFile ||
14822 gameMode == TwoMachinesPlay ||
14823 gameMode == Training ||
14824 gameMode == AnalyzeMode ||
14825 gameMode == EndOfGame)
14828 if (gameMode == EditPosition)
14829 EditPositionDone(TRUE);
14831 if (!WhiteOnMove(currentMove)) {
14832 DisplayError(_("It is not White's turn"), 0);
14836 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14839 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14840 gameMode == AnalyzeFile)
14843 ResurrectChessProgram(); /* in case it isn't running */
14844 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14845 gameMode = MachinePlaysWhite;
14848 gameMode = MachinePlaysWhite;
14852 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14854 if (first.sendName) {
14855 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14856 SendToProgram(buf, &first);
14858 if (first.sendTime) {
14859 if (first.useColors) {
14860 SendToProgram("black\n", &first); /*gnu kludge*/
14862 SendTimeRemaining(&first, TRUE);
14864 if (first.useColors) {
14865 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14867 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14868 SetMachineThinkingEnables();
14869 first.maybeThinking = TRUE;
14873 if (appData.autoFlipView && !flipView) {
14874 flipView = !flipView;
14875 DrawPosition(FALSE, NULL);
14876 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14879 if(bookHit) { // [HGM] book: simulate book reply
14880 static char bookMove[MSG_SIZ]; // a bit generous?
14882 programStats.nodes = programStats.depth = programStats.time =
14883 programStats.score = programStats.got_only_move = 0;
14884 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14886 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14887 strcat(bookMove, bookHit);
14888 savedMessage = bookMove; // args for deferred call
14889 savedState = &first;
14890 ScheduleDelayedEvent(DeferredBookMove, 1);
14895 MachineBlackEvent ()
14898 char *bookHit = NULL;
14900 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14904 if (gameMode == PlayFromGameFile ||
14905 gameMode == TwoMachinesPlay ||
14906 gameMode == Training ||
14907 gameMode == AnalyzeMode ||
14908 gameMode == EndOfGame)
14911 if (gameMode == EditPosition)
14912 EditPositionDone(TRUE);
14914 if (WhiteOnMove(currentMove)) {
14915 DisplayError(_("It is not Black's turn"), 0);
14919 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14922 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14923 gameMode == AnalyzeFile)
14926 ResurrectChessProgram(); /* in case it isn't running */
14927 gameMode = MachinePlaysBlack;
14931 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14933 if (first.sendName) {
14934 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14935 SendToProgram(buf, &first);
14937 if (first.sendTime) {
14938 if (first.useColors) {
14939 SendToProgram("white\n", &first); /*gnu kludge*/
14941 SendTimeRemaining(&first, FALSE);
14943 if (first.useColors) {
14944 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14946 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14947 SetMachineThinkingEnables();
14948 first.maybeThinking = TRUE;
14951 if (appData.autoFlipView && flipView) {
14952 flipView = !flipView;
14953 DrawPosition(FALSE, NULL);
14954 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14956 if(bookHit) { // [HGM] book: simulate book reply
14957 static char bookMove[MSG_SIZ]; // a bit generous?
14959 programStats.nodes = programStats.depth = programStats.time =
14960 programStats.score = programStats.got_only_move = 0;
14961 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14963 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14964 strcat(bookMove, bookHit);
14965 savedMessage = bookMove; // args for deferred call
14966 savedState = &first;
14967 ScheduleDelayedEvent(DeferredBookMove, 1);
14973 DisplayTwoMachinesTitle ()
14976 if (appData.matchGames > 0) {
14977 if(appData.tourneyFile[0]) {
14978 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14979 gameInfo.white, _("vs."), gameInfo.black,
14980 nextGame+1, appData.matchGames+1,
14981 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14983 if (first.twoMachinesColor[0] == 'w') {
14984 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14985 gameInfo.white, _("vs."), gameInfo.black,
14986 first.matchWins, second.matchWins,
14987 matchGame - 1 - (first.matchWins + second.matchWins));
14989 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14990 gameInfo.white, _("vs."), gameInfo.black,
14991 second.matchWins, first.matchWins,
14992 matchGame - 1 - (first.matchWins + second.matchWins));
14995 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15001 SettingsMenuIfReady ()
15003 if (second.lastPing != second.lastPong) {
15004 DisplayMessage("", _("Waiting for second chess program"));
15005 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15009 DisplayMessage("", "");
15010 SettingsPopUp(&second);
15014 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15017 if (cps->pr == NoProc) {
15018 StartChessProgram(cps);
15019 if (cps->protocolVersion == 1) {
15021 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15023 /* kludge: allow timeout for initial "feature" command */
15024 if(retry != TwoMachinesEventIfReady) FreezeUI();
15025 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15026 DisplayMessage("", buf);
15027 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15035 TwoMachinesEvent P((void))
15039 ChessProgramState *onmove;
15040 char *bookHit = NULL;
15041 static int stalling = 0;
15045 if (appData.noChessProgram) return;
15047 switch (gameMode) {
15048 case TwoMachinesPlay:
15050 case MachinePlaysWhite:
15051 case MachinePlaysBlack:
15052 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15053 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15057 case BeginningOfGame:
15058 case PlayFromGameFile:
15061 if (gameMode != EditGame) return;
15064 EditPositionDone(TRUE);
15075 // forwardMostMove = currentMove;
15076 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15077 startingEngine = TRUE;
15079 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15081 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15082 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15083 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15087 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15089 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15090 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15091 startingEngine = matchMode = FALSE;
15092 DisplayError("second engine does not play this", 0);
15093 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15094 EditGameEvent(); // switch back to EditGame mode
15099 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15100 SendToProgram("force\n", &second);
15102 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15106 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15107 if(appData.matchPause>10000 || appData.matchPause<10)
15108 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15109 wait = SubtractTimeMarks(&now, &pauseStart);
15110 if(wait < appData.matchPause) {
15111 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15114 // we are now committed to starting the game
15116 DisplayMessage("", "");
15118 if (startedFromSetupPosition) {
15119 SendBoard(&second, backwardMostMove);
15120 if (appData.debugMode) {
15121 fprintf(debugFP, "Two Machines\n");
15124 for (i = backwardMostMove; i < forwardMostMove; i++) {
15125 SendMoveToProgram(i, &second);
15129 gameMode = TwoMachinesPlay;
15130 pausing = startingEngine = FALSE;
15131 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15133 DisplayTwoMachinesTitle();
15135 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15140 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15141 SendToProgram(first.computerString, &first);
15142 if (first.sendName) {
15143 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15144 SendToProgram(buf, &first);
15147 SendToProgram(second.computerString, &second);
15148 if (second.sendName) {
15149 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15150 SendToProgram(buf, &second);
15155 if (!first.sendTime || !second.sendTime) {
15156 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15157 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15159 if (onmove->sendTime) {
15160 if (onmove->useColors) {
15161 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15163 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15165 if (onmove->useColors) {
15166 SendToProgram(onmove->twoMachinesColor, onmove);
15168 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15169 // SendToProgram("go\n", onmove);
15170 onmove->maybeThinking = TRUE;
15171 SetMachineThinkingEnables();
15175 if(bookHit) { // [HGM] book: simulate book reply
15176 static char bookMove[MSG_SIZ]; // a bit generous?
15178 programStats.nodes = programStats.depth = programStats.time =
15179 programStats.score = programStats.got_only_move = 0;
15180 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15182 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15183 strcat(bookMove, bookHit);
15184 savedMessage = bookMove; // args for deferred call
15185 savedState = onmove;
15186 ScheduleDelayedEvent(DeferredBookMove, 1);
15193 if (gameMode == Training) {
15194 SetTrainingModeOff();
15195 gameMode = PlayFromGameFile;
15196 DisplayMessage("", _("Training mode off"));
15198 gameMode = Training;
15199 animateTraining = appData.animate;
15201 /* make sure we are not already at the end of the game */
15202 if (currentMove < forwardMostMove) {
15203 SetTrainingModeOn();
15204 DisplayMessage("", _("Training mode on"));
15206 gameMode = PlayFromGameFile;
15207 DisplayError(_("Already at end of game"), 0);
15216 if (!appData.icsActive) return;
15217 switch (gameMode) {
15218 case IcsPlayingWhite:
15219 case IcsPlayingBlack:
15222 case BeginningOfGame:
15230 EditPositionDone(TRUE);
15243 gameMode = IcsIdle;
15253 switch (gameMode) {
15255 SetTrainingModeOff();
15257 case MachinePlaysWhite:
15258 case MachinePlaysBlack:
15259 case BeginningOfGame:
15260 SendToProgram("force\n", &first);
15261 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15262 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15264 abortEngineThink = TRUE;
15265 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15266 SendToProgram(buf, &first);
15267 DisplayMessage("Aborting engine think", "");
15271 SetUserThinkingEnables();
15273 case PlayFromGameFile:
15274 (void) StopLoadGameTimer();
15275 if (gameFileFP != NULL) {
15280 EditPositionDone(TRUE);
15285 SendToProgram("force\n", &first);
15287 case TwoMachinesPlay:
15288 GameEnds(EndOfFile, NULL, GE_PLAYER);
15289 ResurrectChessProgram();
15290 SetUserThinkingEnables();
15293 ResurrectChessProgram();
15295 case IcsPlayingBlack:
15296 case IcsPlayingWhite:
15297 DisplayError(_("Warning: You are still playing a game"), 0);
15300 DisplayError(_("Warning: You are still observing a game"), 0);
15303 DisplayError(_("Warning: You are still examining a game"), 0);
15314 first.offeredDraw = second.offeredDraw = 0;
15316 if (gameMode == PlayFromGameFile) {
15317 whiteTimeRemaining = timeRemaining[0][currentMove];
15318 blackTimeRemaining = timeRemaining[1][currentMove];
15322 if (gameMode == MachinePlaysWhite ||
15323 gameMode == MachinePlaysBlack ||
15324 gameMode == TwoMachinesPlay ||
15325 gameMode == EndOfGame) {
15326 i = forwardMostMove;
15327 while (i > currentMove) {
15328 SendToProgram("undo\n", &first);
15331 if(!adjustedClock) {
15332 whiteTimeRemaining = timeRemaining[0][currentMove];
15333 blackTimeRemaining = timeRemaining[1][currentMove];
15334 DisplayBothClocks();
15336 if (whiteFlag || blackFlag) {
15337 whiteFlag = blackFlag = 0;
15342 gameMode = EditGame;
15348 EditPositionEvent ()
15351 if (gameMode == EditPosition) {
15357 if (gameMode != EditGame) return;
15359 gameMode = EditPosition;
15362 CopyBoard(rightsBoard, nullBoard);
15363 if (currentMove > 0)
15364 CopyBoard(boards[0], boards[currentMove]);
15365 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15366 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15368 blackPlaysFirst = !WhiteOnMove(currentMove);
15370 currentMove = forwardMostMove = backwardMostMove = 0;
15371 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15373 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15379 /* [DM] icsEngineAnalyze - possible call from other functions */
15380 if (appData.icsEngineAnalyze) {
15381 appData.icsEngineAnalyze = FALSE;
15383 DisplayMessage("",_("Close ICS engine analyze..."));
15385 if (first.analysisSupport && first.analyzing) {
15386 SendToBoth("exit\n");
15387 first.analyzing = second.analyzing = FALSE;
15389 thinkOutput[0] = NULLCHAR;
15393 EditPositionDone (Boolean fakeRights)
15395 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15397 startedFromSetupPosition = TRUE;
15398 InitChessProgram(&first, FALSE);
15399 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15401 boards[0][EP_STATUS] = EP_NONE;
15402 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15403 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15404 if(rightsBoard[r][f]) {
15405 ChessSquare p = boards[0][r][f];
15406 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15407 else if(p == king) boards[0][CASTLING][2] = f;
15408 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15409 else rightsBoard[r][f] = 2; // mark for second pass
15412 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15413 if(rightsBoard[r][f] == 2) {
15414 ChessSquare p = boards[0][r][f];
15415 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15416 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15420 SendToProgram("force\n", &first);
15421 if (blackPlaysFirst) {
15422 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15423 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15424 currentMove = forwardMostMove = backwardMostMove = 1;
15425 CopyBoard(boards[1], boards[0]);
15427 currentMove = forwardMostMove = backwardMostMove = 0;
15429 SendBoard(&first, forwardMostMove);
15430 if (appData.debugMode) {
15431 fprintf(debugFP, "EditPosDone\n");
15434 DisplayMessage("", "");
15435 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15436 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15437 gameMode = EditGame;
15439 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15440 ClearHighlights(); /* [AS] */
15443 /* Pause for `ms' milliseconds */
15444 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15446 TimeDelay (long ms)
15453 } while (SubtractTimeMarks(&m2, &m1) < ms);
15456 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15458 SendMultiLineToICS (char *buf)
15460 char temp[MSG_SIZ+1], *p;
15467 strncpy(temp, buf, len);
15472 if (*p == '\n' || *p == '\r')
15477 strcat(temp, "\n");
15479 SendToPlayer(temp, strlen(temp));
15483 SetWhiteToPlayEvent ()
15485 if (gameMode == EditPosition) {
15486 blackPlaysFirst = FALSE;
15487 DisplayBothClocks(); /* works because currentMove is 0 */
15488 } else if (gameMode == IcsExamining) {
15489 SendToICS(ics_prefix);
15490 SendToICS("tomove white\n");
15495 SetBlackToPlayEvent ()
15497 if (gameMode == EditPosition) {
15498 blackPlaysFirst = TRUE;
15499 currentMove = 1; /* kludge */
15500 DisplayBothClocks();
15502 } else if (gameMode == IcsExamining) {
15503 SendToICS(ics_prefix);
15504 SendToICS("tomove black\n");
15509 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15512 ChessSquare piece = boards[0][y][x];
15513 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15514 static int lastVariant;
15515 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15517 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15519 switch (selection) {
15521 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15522 MarkTargetSquares(1);
15523 CopyBoard(currentBoard, boards[0]);
15524 CopyBoard(menuBoard, initialPosition);
15525 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15526 SendToICS(ics_prefix);
15527 SendToICS("bsetup clear\n");
15528 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15529 SendToICS(ics_prefix);
15530 SendToICS("clearboard\n");
15533 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15534 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15535 for (y = 0; y < BOARD_HEIGHT; y++) {
15536 if (gameMode == IcsExamining) {
15537 if (boards[currentMove][y][x] != EmptySquare) {
15538 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15542 } else if(boards[0][y][x] != DarkSquare) {
15543 if(boards[0][y][x] != p) nonEmpty++;
15544 boards[0][y][x] = p;
15548 CopyBoard(rightsBoard, nullBoard);
15549 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15551 for(r = 0; r < BOARD_HEIGHT; r++) {
15552 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15553 ChessSquare p = menuBoard[r][x];
15554 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15557 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15558 DisplayMessage("Clicking clock again restores position", "");
15559 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15560 if(!nonEmpty) { // asked to clear an empty board
15561 CopyBoard(boards[0], menuBoard);
15563 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15564 CopyBoard(boards[0], initialPosition);
15566 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15567 && !CompareBoards(nullBoard, erasedBoard)) {
15568 CopyBoard(boards[0], erasedBoard);
15570 CopyBoard(erasedBoard, currentBoard);
15572 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15573 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15576 if (gameMode == EditPosition) {
15577 DrawPosition(FALSE, boards[0]);
15582 SetWhiteToPlayEvent();
15586 SetBlackToPlayEvent();
15590 if (gameMode == IcsExamining) {
15591 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15592 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15595 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15596 if(x == BOARD_LEFT-2) {
15597 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15598 boards[0][y][1] = 0;
15600 if(x == BOARD_RGHT+1) {
15601 if(y >= gameInfo.holdingsSize) break;
15602 boards[0][y][BOARD_WIDTH-2] = 0;
15605 boards[0][y][x] = EmptySquare;
15606 DrawPosition(FALSE, boards[0]);
15611 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15612 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15613 selection = (ChessSquare) (PROMOTED(piece));
15614 } else if(piece == EmptySquare) selection = WhiteSilver;
15615 else selection = (ChessSquare)((int)piece - 1);
15619 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15620 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15621 selection = (ChessSquare) (DEMOTED(piece));
15622 } else if(piece == EmptySquare) selection = BlackSilver;
15623 else selection = (ChessSquare)((int)piece + 1);
15628 if(gameInfo.variant == VariantShatranj ||
15629 gameInfo.variant == VariantXiangqi ||
15630 gameInfo.variant == VariantCourier ||
15631 gameInfo.variant == VariantASEAN ||
15632 gameInfo.variant == VariantMakruk )
15633 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15639 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15640 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15646 if(gameInfo.variant == VariantXiangqi)
15647 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15648 if(gameInfo.variant == VariantKnightmate)
15649 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15650 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15653 if (gameMode == IcsExamining) {
15654 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15655 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15656 PieceToChar(selection), AAA + x, ONE + y);
15659 rightsBoard[y][x] = hasRights;
15660 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15662 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15663 n = PieceToNumber(selection - BlackPawn);
15664 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15665 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15666 boards[0][BOARD_HEIGHT-1-n][1]++;
15668 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15669 n = PieceToNumber(selection);
15670 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15671 boards[0][n][BOARD_WIDTH-1] = selection;
15672 boards[0][n][BOARD_WIDTH-2]++;
15675 boards[0][y][x] = selection;
15676 DrawPosition(TRUE, boards[0]);
15678 fromX = fromY = -1;
15686 DropMenuEvent (ChessSquare selection, int x, int y)
15688 ChessMove moveType;
15690 switch (gameMode) {
15691 case IcsPlayingWhite:
15692 case MachinePlaysBlack:
15693 if (!WhiteOnMove(currentMove)) {
15694 DisplayMoveError(_("It is Black's turn"));
15697 moveType = WhiteDrop;
15699 case IcsPlayingBlack:
15700 case MachinePlaysWhite:
15701 if (WhiteOnMove(currentMove)) {
15702 DisplayMoveError(_("It is White's turn"));
15705 moveType = BlackDrop;
15708 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15714 if (moveType == BlackDrop && selection < BlackPawn) {
15715 selection = (ChessSquare) ((int) selection
15716 + (int) BlackPawn - (int) WhitePawn);
15718 if (boards[currentMove][y][x] != EmptySquare) {
15719 DisplayMoveError(_("That square is occupied"));
15723 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15729 /* Accept a pending offer of any kind from opponent */
15731 if (appData.icsActive) {
15732 SendToICS(ics_prefix);
15733 SendToICS("accept\n");
15734 } else if (cmailMsgLoaded) {
15735 if (currentMove == cmailOldMove &&
15736 commentList[cmailOldMove] != NULL &&
15737 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15738 "Black offers a draw" : "White offers a draw")) {
15740 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15741 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15743 DisplayError(_("There is no pending offer on this move"), 0);
15744 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15747 /* Not used for offers from chess program */
15754 /* Decline a pending offer of any kind from opponent */
15756 if (appData.icsActive) {
15757 SendToICS(ics_prefix);
15758 SendToICS("decline\n");
15759 } else if (cmailMsgLoaded) {
15760 if (currentMove == cmailOldMove &&
15761 commentList[cmailOldMove] != NULL &&
15762 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15763 "Black offers a draw" : "White offers a draw")) {
15765 AppendComment(cmailOldMove, "Draw declined", TRUE);
15766 DisplayComment(cmailOldMove - 1, "Draw declined");
15769 DisplayError(_("There is no pending offer on this move"), 0);
15772 /* Not used for offers from chess program */
15779 /* Issue ICS rematch command */
15780 if (appData.icsActive) {
15781 SendToICS(ics_prefix);
15782 SendToICS("rematch\n");
15789 /* Call your opponent's flag (claim a win on time) */
15790 if (appData.icsActive) {
15791 SendToICS(ics_prefix);
15792 SendToICS("flag\n");
15794 switch (gameMode) {
15797 case MachinePlaysWhite:
15800 GameEnds(GameIsDrawn, "Both players ran out of time",
15803 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15805 DisplayError(_("Your opponent is not out of time"), 0);
15808 case MachinePlaysBlack:
15811 GameEnds(GameIsDrawn, "Both players ran out of time",
15814 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15816 DisplayError(_("Your opponent is not out of time"), 0);
15824 ClockClick (int which)
15825 { // [HGM] code moved to back-end from winboard.c
15826 if(which) { // black clock
15827 if (gameMode == EditPosition || gameMode == IcsExamining) {
15828 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15829 SetBlackToPlayEvent();
15830 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15831 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15832 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15833 } else if (shiftKey) {
15834 AdjustClock(which, -1);
15835 } else if (gameMode == IcsPlayingWhite ||
15836 gameMode == MachinePlaysBlack) {
15839 } else { // white clock
15840 if (gameMode == EditPosition || gameMode == IcsExamining) {
15841 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15842 SetWhiteToPlayEvent();
15843 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15844 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15845 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15846 } else if (shiftKey) {
15847 AdjustClock(which, -1);
15848 } else if (gameMode == IcsPlayingBlack ||
15849 gameMode == MachinePlaysWhite) {
15858 /* Offer draw or accept pending draw offer from opponent */
15860 if (appData.icsActive) {
15861 /* Note: tournament rules require draw offers to be
15862 made after you make your move but before you punch
15863 your clock. Currently ICS doesn't let you do that;
15864 instead, you immediately punch your clock after making
15865 a move, but you can offer a draw at any time. */
15867 SendToICS(ics_prefix);
15868 SendToICS("draw\n");
15869 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15870 } else if (cmailMsgLoaded) {
15871 if (currentMove == cmailOldMove &&
15872 commentList[cmailOldMove] != NULL &&
15873 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15874 "Black offers a draw" : "White offers a draw")) {
15875 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15876 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15877 } else if (currentMove == cmailOldMove + 1) {
15878 char *offer = WhiteOnMove(cmailOldMove) ?
15879 "White offers a draw" : "Black offers a draw";
15880 AppendComment(currentMove, offer, TRUE);
15881 DisplayComment(currentMove - 1, offer);
15882 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15884 DisplayError(_("You must make your move before offering a draw"), 0);
15885 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15887 } else if (first.offeredDraw) {
15888 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15890 if (first.sendDrawOffers) {
15891 SendToProgram("draw\n", &first);
15892 userOfferedDraw = TRUE;
15900 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15902 if (appData.icsActive) {
15903 SendToICS(ics_prefix);
15904 SendToICS("adjourn\n");
15906 /* Currently GNU Chess doesn't offer or accept Adjourns */
15914 /* Offer Abort or accept pending Abort offer from opponent */
15916 if (appData.icsActive) {
15917 SendToICS(ics_prefix);
15918 SendToICS("abort\n");
15920 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15927 /* Resign. You can do this even if it's not your turn. */
15929 if (appData.icsActive) {
15930 SendToICS(ics_prefix);
15931 SendToICS("resign\n");
15933 switch (gameMode) {
15934 case MachinePlaysWhite:
15935 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15937 case MachinePlaysBlack:
15938 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15941 if (cmailMsgLoaded) {
15943 if (WhiteOnMove(cmailOldMove)) {
15944 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15946 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15948 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15959 StopObservingEvent ()
15961 /* Stop observing current games */
15962 SendToICS(ics_prefix);
15963 SendToICS("unobserve\n");
15967 StopExaminingEvent ()
15969 /* Stop observing current game */
15970 SendToICS(ics_prefix);
15971 SendToICS("unexamine\n");
15975 ForwardInner (int target)
15977 int limit; int oldSeekGraphUp = seekGraphUp;
15979 if (appData.debugMode)
15980 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15981 target, currentMove, forwardMostMove);
15983 if (gameMode == EditPosition)
15986 seekGraphUp = FALSE;
15987 MarkTargetSquares(1);
15988 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15990 if (gameMode == PlayFromGameFile && !pausing)
15993 if (gameMode == IcsExamining && pausing)
15994 limit = pauseExamForwardMostMove;
15996 limit = forwardMostMove;
15998 if (target > limit) target = limit;
16000 if (target > 0 && moveList[target - 1][0]) {
16001 int fromX, fromY, toX, toY;
16002 toX = moveList[target - 1][2] - AAA;
16003 toY = moveList[target - 1][3] - ONE;
16004 if (moveList[target - 1][1] == '@') {
16005 if (appData.highlightLastMove) {
16006 SetHighlights(-1, -1, toX, toY);
16009 fromX = moveList[target - 1][0] - AAA;
16010 fromY = moveList[target - 1][1] - ONE;
16011 if (target == currentMove + 1) {
16012 if(moveList[target - 1][4] == ';') { // multi-leg
16013 killX = moveList[target - 1][5] - AAA;
16014 killY = moveList[target - 1][6] - ONE;
16016 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16017 killX = killY = -1;
16019 if (appData.highlightLastMove) {
16020 SetHighlights(fromX, fromY, toX, toY);
16024 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16025 gameMode == Training || gameMode == PlayFromGameFile ||
16026 gameMode == AnalyzeFile) {
16027 while (currentMove < target) {
16028 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16029 SendMoveToProgram(currentMove++, &first);
16032 currentMove = target;
16035 if (gameMode == EditGame || gameMode == EndOfGame) {
16036 whiteTimeRemaining = timeRemaining[0][currentMove];
16037 blackTimeRemaining = timeRemaining[1][currentMove];
16039 DisplayBothClocks();
16040 DisplayMove(currentMove - 1);
16041 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16042 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16043 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16044 DisplayComment(currentMove - 1, commentList[currentMove]);
16046 ClearMap(); // [HGM] exclude: invalidate map
16053 if (gameMode == IcsExamining && !pausing) {
16054 SendToICS(ics_prefix);
16055 SendToICS("forward\n");
16057 ForwardInner(currentMove + 1);
16064 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16065 /* to optimze, we temporarily turn off analysis mode while we feed
16066 * the remaining moves to the engine. Otherwise we get analysis output
16069 if (first.analysisSupport) {
16070 SendToProgram("exit\nforce\n", &first);
16071 first.analyzing = FALSE;
16075 if (gameMode == IcsExamining && !pausing) {
16076 SendToICS(ics_prefix);
16077 SendToICS("forward 999999\n");
16079 ForwardInner(forwardMostMove);
16082 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16083 /* we have fed all the moves, so reactivate analysis mode */
16084 SendToProgram("analyze\n", &first);
16085 first.analyzing = TRUE;
16086 /*first.maybeThinking = TRUE;*/
16087 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16092 BackwardInner (int target)
16094 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16096 if (appData.debugMode)
16097 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16098 target, currentMove, forwardMostMove);
16100 if (gameMode == EditPosition) return;
16101 seekGraphUp = FALSE;
16102 MarkTargetSquares(1);
16103 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16104 if (currentMove <= backwardMostMove) {
16106 DrawPosition(full_redraw, boards[currentMove]);
16109 if (gameMode == PlayFromGameFile && !pausing)
16112 if (moveList[target][0]) {
16113 int fromX, fromY, toX, toY;
16114 toX = moveList[target][2] - AAA;
16115 toY = moveList[target][3] - ONE;
16116 if (moveList[target][1] == '@') {
16117 if (appData.highlightLastMove) {
16118 SetHighlights(-1, -1, toX, toY);
16121 fromX = moveList[target][0] - AAA;
16122 fromY = moveList[target][1] - ONE;
16123 if (target == currentMove - 1) {
16124 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16126 if (appData.highlightLastMove) {
16127 SetHighlights(fromX, fromY, toX, toY);
16131 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16132 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16133 while (currentMove > target) {
16134 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16135 // null move cannot be undone. Reload program with move history before it.
16137 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16138 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16140 SendBoard(&first, i);
16141 if(second.analyzing) SendBoard(&second, i);
16142 for(currentMove=i; currentMove<target; currentMove++) {
16143 SendMoveToProgram(currentMove, &first);
16144 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16148 SendToBoth("undo\n");
16152 currentMove = target;
16155 if (gameMode == EditGame || gameMode == EndOfGame) {
16156 whiteTimeRemaining = timeRemaining[0][currentMove];
16157 blackTimeRemaining = timeRemaining[1][currentMove];
16159 DisplayBothClocks();
16160 DisplayMove(currentMove - 1);
16161 DrawPosition(full_redraw, boards[currentMove]);
16162 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16163 // [HGM] PV info: routine tests if comment empty
16164 DisplayComment(currentMove - 1, commentList[currentMove]);
16165 ClearMap(); // [HGM] exclude: invalidate map
16171 if (gameMode == IcsExamining && !pausing) {
16172 SendToICS(ics_prefix);
16173 SendToICS("backward\n");
16175 BackwardInner(currentMove - 1);
16182 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16183 /* to optimize, we temporarily turn off analysis mode while we undo
16184 * all the moves. Otherwise we get analysis output after each undo.
16186 if (first.analysisSupport) {
16187 SendToProgram("exit\nforce\n", &first);
16188 first.analyzing = FALSE;
16192 if (gameMode == IcsExamining && !pausing) {
16193 SendToICS(ics_prefix);
16194 SendToICS("backward 999999\n");
16196 BackwardInner(backwardMostMove);
16199 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16200 /* we have fed all the moves, so reactivate analysis mode */
16201 SendToProgram("analyze\n", &first);
16202 first.analyzing = TRUE;
16203 /*first.maybeThinking = TRUE;*/
16204 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16211 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16212 if (to >= forwardMostMove) to = forwardMostMove;
16213 if (to <= backwardMostMove) to = backwardMostMove;
16214 if (to < currentMove) {
16222 RevertEvent (Boolean annotate)
16224 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16227 if (gameMode != IcsExamining) {
16228 DisplayError(_("You are not examining a game"), 0);
16232 DisplayError(_("You can't revert while pausing"), 0);
16235 SendToICS(ics_prefix);
16236 SendToICS("revert\n");
16240 RetractMoveEvent ()
16242 switch (gameMode) {
16243 case MachinePlaysWhite:
16244 case MachinePlaysBlack:
16245 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16246 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16249 if (forwardMostMove < 2) return;
16250 currentMove = forwardMostMove = forwardMostMove - 2;
16251 whiteTimeRemaining = timeRemaining[0][currentMove];
16252 blackTimeRemaining = timeRemaining[1][currentMove];
16253 DisplayBothClocks();
16254 DisplayMove(currentMove - 1);
16255 ClearHighlights();/*!! could figure this out*/
16256 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16257 SendToProgram("remove\n", &first);
16258 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16261 case BeginningOfGame:
16265 case IcsPlayingWhite:
16266 case IcsPlayingBlack:
16267 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16268 SendToICS(ics_prefix);
16269 SendToICS("takeback 2\n");
16271 SendToICS(ics_prefix);
16272 SendToICS("takeback 1\n");
16281 ChessProgramState *cps;
16283 switch (gameMode) {
16284 case MachinePlaysWhite:
16285 if (!WhiteOnMove(forwardMostMove)) {
16286 DisplayError(_("It is your turn"), 0);
16291 case MachinePlaysBlack:
16292 if (WhiteOnMove(forwardMostMove)) {
16293 DisplayError(_("It is your turn"), 0);
16298 case TwoMachinesPlay:
16299 if (WhiteOnMove(forwardMostMove) ==
16300 (first.twoMachinesColor[0] == 'w')) {
16306 case BeginningOfGame:
16310 SendToProgram("?\n", cps);
16314 TruncateGameEvent ()
16317 if (gameMode != EditGame) return;
16324 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16325 if (forwardMostMove > currentMove) {
16326 if (gameInfo.resultDetails != NULL) {
16327 free(gameInfo.resultDetails);
16328 gameInfo.resultDetails = NULL;
16329 gameInfo.result = GameUnfinished;
16331 forwardMostMove = currentMove;
16332 HistorySet(parseList, backwardMostMove, forwardMostMove,
16340 if (appData.noChessProgram) return;
16341 switch (gameMode) {
16342 case MachinePlaysWhite:
16343 if (WhiteOnMove(forwardMostMove)) {
16344 DisplayError(_("Wait until your turn."), 0);
16348 case BeginningOfGame:
16349 case MachinePlaysBlack:
16350 if (!WhiteOnMove(forwardMostMove)) {
16351 DisplayError(_("Wait until your turn."), 0);
16356 DisplayError(_("No hint available"), 0);
16359 SendToProgram("hint\n", &first);
16360 hintRequested = TRUE;
16364 SaveSelected (FILE *g, int dummy, char *dummy2)
16366 ListGame * lg = (ListGame *) gameList.head;
16370 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16371 DisplayError(_("Game list not loaded or empty"), 0);
16375 creatingBook = TRUE; // suppresses stuff during load game
16377 /* Get list size */
16378 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16379 if(lg->position >= 0) { // selected?
16380 LoadGame(f, nItem, "", TRUE);
16381 SaveGamePGN2(g); // leaves g open
16384 lg = (ListGame *) lg->node.succ;
16388 creatingBook = FALSE;
16396 ListGame * lg = (ListGame *) gameList.head;
16399 static int secondTime = FALSE;
16401 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16402 DisplayError(_("Game list not loaded or empty"), 0);
16406 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16409 DisplayNote(_("Book file exists! Try again for overwrite."));
16413 creatingBook = TRUE;
16414 secondTime = FALSE;
16416 /* Get list size */
16417 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16418 if(lg->position >= 0) {
16419 LoadGame(f, nItem, "", TRUE);
16420 AddGameToBook(TRUE);
16423 lg = (ListGame *) lg->node.succ;
16426 creatingBook = FALSE;
16433 if (appData.noChessProgram) return;
16434 switch (gameMode) {
16435 case MachinePlaysWhite:
16436 if (WhiteOnMove(forwardMostMove)) {
16437 DisplayError(_("Wait until your turn."), 0);
16441 case BeginningOfGame:
16442 case MachinePlaysBlack:
16443 if (!WhiteOnMove(forwardMostMove)) {
16444 DisplayError(_("Wait until your turn."), 0);
16449 EditPositionDone(TRUE);
16451 case TwoMachinesPlay:
16456 SendToProgram("bk\n", &first);
16457 bookOutput[0] = NULLCHAR;
16458 bookRequested = TRUE;
16464 char *tags = PGNTags(&gameInfo);
16465 TagsPopUp(tags, CmailMsg());
16469 /* end button procedures */
16472 PrintPosition (FILE *fp, int move)
16476 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16477 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16478 char c = PieceToChar(boards[move][i][j]);
16479 fputc(c == '?' ? '.' : c, fp);
16480 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16483 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16484 fprintf(fp, "white to play\n");
16486 fprintf(fp, "black to play\n");
16490 PrintOpponents (FILE *fp)
16492 if (gameInfo.white != NULL) {
16493 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16499 /* Find last component of program's own name, using some heuristics */
16501 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16504 int local = (strcmp(host, "localhost") == 0);
16505 while (!local && (p = strchr(prog, ';')) != NULL) {
16507 while (*p == ' ') p++;
16510 if (*prog == '"' || *prog == '\'') {
16511 q = strchr(prog + 1, *prog);
16513 q = strchr(prog, ' ');
16515 if (q == NULL) q = prog + strlen(prog);
16517 while (p >= prog && *p != '/' && *p != '\\') p--;
16519 if(p == prog && *p == '"') p++;
16521 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16522 memcpy(buf, p, q - p);
16523 buf[q - p] = NULLCHAR;
16531 TimeControlTagValue ()
16534 if (!appData.clockMode) {
16535 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16536 } else if (movesPerSession > 0) {
16537 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16538 } else if (timeIncrement == 0) {
16539 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16541 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16543 return StrSave(buf);
16549 /* This routine is used only for certain modes */
16550 VariantClass v = gameInfo.variant;
16551 ChessMove r = GameUnfinished;
16554 if(keepInfo) return;
16556 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16557 r = gameInfo.result;
16558 p = gameInfo.resultDetails;
16559 gameInfo.resultDetails = NULL;
16561 ClearGameInfo(&gameInfo);
16562 gameInfo.variant = v;
16564 switch (gameMode) {
16565 case MachinePlaysWhite:
16566 gameInfo.event = StrSave( appData.pgnEventHeader );
16567 gameInfo.site = StrSave(HostName());
16568 gameInfo.date = PGNDate();
16569 gameInfo.round = StrSave("-");
16570 gameInfo.white = StrSave(first.tidy);
16571 gameInfo.black = StrSave(UserName());
16572 gameInfo.timeControl = TimeControlTagValue();
16575 case MachinePlaysBlack:
16576 gameInfo.event = StrSave( appData.pgnEventHeader );
16577 gameInfo.site = StrSave(HostName());
16578 gameInfo.date = PGNDate();
16579 gameInfo.round = StrSave("-");
16580 gameInfo.white = StrSave(UserName());
16581 gameInfo.black = StrSave(first.tidy);
16582 gameInfo.timeControl = TimeControlTagValue();
16585 case TwoMachinesPlay:
16586 gameInfo.event = StrSave( appData.pgnEventHeader );
16587 gameInfo.site = StrSave(HostName());
16588 gameInfo.date = PGNDate();
16591 snprintf(buf, MSG_SIZ, "%d", roundNr);
16592 gameInfo.round = StrSave(buf);
16594 gameInfo.round = StrSave("-");
16596 if (first.twoMachinesColor[0] == 'w') {
16597 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16598 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16600 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16601 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16603 gameInfo.timeControl = TimeControlTagValue();
16607 gameInfo.event = StrSave("Edited game");
16608 gameInfo.site = StrSave(HostName());
16609 gameInfo.date = PGNDate();
16610 gameInfo.round = StrSave("-");
16611 gameInfo.white = StrSave("-");
16612 gameInfo.black = StrSave("-");
16613 gameInfo.result = r;
16614 gameInfo.resultDetails = p;
16618 gameInfo.event = StrSave("Edited position");
16619 gameInfo.site = StrSave(HostName());
16620 gameInfo.date = PGNDate();
16621 gameInfo.round = StrSave("-");
16622 gameInfo.white = StrSave("-");
16623 gameInfo.black = StrSave("-");
16626 case IcsPlayingWhite:
16627 case IcsPlayingBlack:
16632 case PlayFromGameFile:
16633 gameInfo.event = StrSave("Game from non-PGN file");
16634 gameInfo.site = StrSave(HostName());
16635 gameInfo.date = PGNDate();
16636 gameInfo.round = StrSave("-");
16637 gameInfo.white = StrSave("?");
16638 gameInfo.black = StrSave("?");
16647 ReplaceComment (int index, char *text)
16653 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16654 pvInfoList[index-1].depth == len &&
16655 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16656 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16657 while (*text == '\n') text++;
16658 len = strlen(text);
16659 while (len > 0 && text[len - 1] == '\n') len--;
16661 if (commentList[index] != NULL)
16662 free(commentList[index]);
16665 commentList[index] = NULL;
16668 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16669 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16670 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16671 commentList[index] = (char *) malloc(len + 2);
16672 strncpy(commentList[index], text, len);
16673 commentList[index][len] = '\n';
16674 commentList[index][len + 1] = NULLCHAR;
16676 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16678 commentList[index] = (char *) malloc(len + 7);
16679 safeStrCpy(commentList[index], "{\n", 3);
16680 safeStrCpy(commentList[index]+2, text, len+1);
16681 commentList[index][len+2] = NULLCHAR;
16682 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16683 strcat(commentList[index], "\n}\n");
16688 CrushCRs (char *text)
16696 if (ch == '\r') continue;
16698 } while (ch != '\0');
16702 AppendComment (int index, char *text, Boolean addBraces)
16703 /* addBraces tells if we should add {} */
16708 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16709 if(addBraces == 3) addBraces = 0; else // force appending literally
16710 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16713 while (*text == '\n') text++;
16714 len = strlen(text);
16715 while (len > 0 && text[len - 1] == '\n') len--;
16716 text[len] = NULLCHAR;
16718 if (len == 0) return;
16720 if (commentList[index] != NULL) {
16721 Boolean addClosingBrace = addBraces;
16722 old = commentList[index];
16723 oldlen = strlen(old);
16724 while(commentList[index][oldlen-1] == '\n')
16725 commentList[index][--oldlen] = NULLCHAR;
16726 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16727 safeStrCpy(commentList[index], old, oldlen + len + 6);
16729 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16730 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16731 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16732 while (*text == '\n') { text++; len--; }
16733 commentList[index][--oldlen] = NULLCHAR;
16735 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16736 else strcat(commentList[index], "\n");
16737 strcat(commentList[index], text);
16738 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16739 else strcat(commentList[index], "\n");
16741 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16743 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16744 else commentList[index][0] = NULLCHAR;
16745 strcat(commentList[index], text);
16746 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16747 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16752 FindStr (char * text, char * sub_text)
16754 char * result = strstr( text, sub_text );
16756 if( result != NULL ) {
16757 result += strlen( sub_text );
16763 /* [AS] Try to extract PV info from PGN comment */
16764 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16766 GetInfoFromComment (int index, char * text)
16768 char * sep = text, *p;
16770 if( text != NULL && index > 0 ) {
16773 int time = -1, sec = 0, deci;
16774 char * s_eval = FindStr( text, "[%eval " );
16775 char * s_emt = FindStr( text, "[%emt " );
16777 if( s_eval != NULL || s_emt != NULL ) {
16779 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16784 if( s_eval != NULL ) {
16785 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16789 if( delim != ']' ) {
16794 if( s_emt != NULL ) {
16799 /* We expect something like: [+|-]nnn.nn/dd */
16802 if(*text != '{') return text; // [HGM] braces: must be normal comment
16804 sep = strchr( text, '/' );
16805 if( sep == NULL || sep < (text+4) ) {
16810 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16811 if(p[1] == '(') { // comment starts with PV
16812 p = strchr(p, ')'); // locate end of PV
16813 if(p == NULL || sep < p+5) return text;
16814 // at this point we have something like "{(.*) +0.23/6 ..."
16815 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16816 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16817 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16819 time = -1; sec = -1; deci = -1;
16820 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16821 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16822 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16823 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16827 if( score_lo < 0 || score_lo >= 100 ) {
16831 if(sec >= 0) time = 600*time + 10*sec; else
16832 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16834 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16836 /* [HGM] PV time: now locate end of PV info */
16837 while( *++sep >= '0' && *sep <= '9'); // strip depth
16839 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16841 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16843 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16844 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16855 pvInfoList[index-1].depth = depth;
16856 pvInfoList[index-1].score = score;
16857 pvInfoList[index-1].time = 10*time; // centi-sec
16858 if(*sep == '}') *sep = 0; else *--sep = '{';
16860 while(*p++ = *sep++)
16863 } // squeeze out space between PV and comment, and return both
16869 SendToProgram (char *message, ChessProgramState *cps)
16871 int count, outCount, error;
16874 if (cps->pr == NoProc) return;
16877 if (appData.debugMode) {
16880 fprintf(debugFP, "%ld >%-6s: %s",
16881 SubtractTimeMarks(&now, &programStartTime),
16882 cps->which, message);
16884 fprintf(serverFP, "%ld >%-6s: %s",
16885 SubtractTimeMarks(&now, &programStartTime),
16886 cps->which, message), fflush(serverFP);
16889 count = strlen(message);
16890 outCount = OutputToProcess(cps->pr, message, count, &error);
16891 if (outCount < count && !exiting
16892 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16893 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16894 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16895 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16896 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16897 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16898 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16899 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16901 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16902 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16903 gameInfo.result = res;
16905 gameInfo.resultDetails = StrSave(buf);
16907 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16908 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16913 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16917 ChessProgramState *cps = (ChessProgramState *)closure;
16919 if (isr != cps->isr) return; /* Killed intentionally */
16922 RemoveInputSource(cps->isr);
16923 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16924 _(cps->which), cps->program);
16925 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16926 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16927 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16928 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16929 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16930 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16932 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16933 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16934 gameInfo.result = res;
16936 gameInfo.resultDetails = StrSave(buf);
16938 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16939 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16941 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16942 _(cps->which), cps->program);
16943 RemoveInputSource(cps->isr);
16945 /* [AS] Program is misbehaving badly... kill it */
16946 if( count == -2 ) {
16947 DestroyChildProcess( cps->pr, 9 );
16951 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16956 if ((end_str = strchr(message, '\r')) != NULL)
16957 *end_str = NULLCHAR;
16958 if ((end_str = strchr(message, '\n')) != NULL)
16959 *end_str = NULLCHAR;
16961 if (appData.debugMode) {
16962 TimeMark now; int print = 1;
16963 char *quote = ""; char c; int i;
16965 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16966 char start = message[0];
16967 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16968 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16969 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16970 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16971 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16972 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16973 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16974 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16975 sscanf(message, "hint: %c", &c)!=1 &&
16976 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16977 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16978 print = (appData.engineComments >= 2);
16980 message[0] = start; // restore original message
16984 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16985 SubtractTimeMarks(&now, &programStartTime), cps->which,
16989 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16990 SubtractTimeMarks(&now, &programStartTime), cps->which,
16992 message), fflush(serverFP);
16996 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16997 if (appData.icsEngineAnalyze) {
16998 if (strstr(message, "whisper") != NULL ||
16999 strstr(message, "kibitz") != NULL ||
17000 strstr(message, "tellics") != NULL) return;
17003 HandleMachineMove(message, cps);
17008 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17013 if( timeControl_2 > 0 ) {
17014 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17015 tc = timeControl_2;
17018 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17019 inc /= cps->timeOdds;
17020 st /= cps->timeOdds;
17022 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17025 /* Set exact time per move, normally using st command */
17026 if (cps->stKludge) {
17027 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17029 if (seconds == 0) {
17030 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17032 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17035 snprintf(buf, MSG_SIZ, "st %d\n", st);
17038 /* Set conventional or incremental time control, using level command */
17039 if (seconds == 0) {
17040 /* Note old gnuchess bug -- minutes:seconds used to not work.
17041 Fixed in later versions, but still avoid :seconds
17042 when seconds is 0. */
17043 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17045 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17046 seconds, inc/1000.);
17049 SendToProgram(buf, cps);
17051 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17052 /* Orthogonally, limit search to given depth */
17054 if (cps->sdKludge) {
17055 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17057 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17059 SendToProgram(buf, cps);
17062 if(cps->nps >= 0) { /* [HGM] nps */
17063 if(cps->supportsNPS == FALSE)
17064 cps->nps = -1; // don't use if engine explicitly says not supported!
17066 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17067 SendToProgram(buf, cps);
17072 ChessProgramState *
17074 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17076 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17077 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17083 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17085 char message[MSG_SIZ];
17088 /* Note: this routine must be called when the clocks are stopped
17089 or when they have *just* been set or switched; otherwise
17090 it will be off by the time since the current tick started.
17092 if (machineWhite) {
17093 time = whiteTimeRemaining / 10;
17094 otime = blackTimeRemaining / 10;
17096 time = blackTimeRemaining / 10;
17097 otime = whiteTimeRemaining / 10;
17099 /* [HGM] translate opponent's time by time-odds factor */
17100 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17102 if (time <= 0) time = 1;
17103 if (otime <= 0) otime = 1;
17105 snprintf(message, MSG_SIZ, "time %ld\n", time);
17106 SendToProgram(message, cps);
17108 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17109 SendToProgram(message, cps);
17113 EngineDefinedVariant (ChessProgramState *cps, int n)
17114 { // return name of n-th unknown variant that engine supports
17115 static char buf[MSG_SIZ];
17116 char *p, *s = cps->variants;
17117 if(!s) return NULL;
17118 do { // parse string from variants feature
17120 p = strchr(s, ',');
17121 if(p) *p = NULLCHAR;
17122 v = StringToVariant(s);
17123 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17124 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17125 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17126 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17127 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17128 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17129 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17132 if(n < 0) return buf;
17138 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17141 int len = strlen(name);
17144 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17146 sscanf(*p, "%d", &val);
17148 while (**p && **p != ' ')
17150 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17151 SendToProgram(buf, cps);
17158 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17161 int len = strlen(name);
17162 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17164 sscanf(*p, "%d", loc);
17165 while (**p && **p != ' ') (*p)++;
17166 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17167 SendToProgram(buf, cps);
17174 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17177 int len = strlen(name);
17178 if (strncmp((*p), name, len) == 0
17179 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17181 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17182 sscanf(*p, "%[^\"]", *loc);
17183 while (**p && **p != '\"') (*p)++;
17184 if (**p == '\"') (*p)++;
17185 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17186 SendToProgram(buf, cps);
17193 ParseOption (Option *opt, ChessProgramState *cps)
17194 // [HGM] options: process the string that defines an engine option, and determine
17195 // name, type, default value, and allowed value range
17197 char *p, *q, buf[MSG_SIZ];
17198 int n, min = (-1)<<31, max = 1<<31, def;
17200 opt->target = &opt->value; // OK for spin/slider and checkbox
17201 if(p = strstr(opt->name, " -spin ")) {
17202 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17203 if(max < min) max = min; // enforce consistency
17204 if(def < min) def = min;
17205 if(def > max) def = max;
17210 } else if((p = strstr(opt->name, " -slider "))) {
17211 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17212 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17213 if(max < min) max = min; // enforce consistency
17214 if(def < min) def = min;
17215 if(def > max) def = max;
17219 opt->type = Spin; // Slider;
17220 } else if((p = strstr(opt->name, " -string "))) {
17221 opt->textValue = p+9;
17222 opt->type = TextBox;
17223 opt->target = &opt->textValue;
17224 } else if((p = strstr(opt->name, " -file "))) {
17225 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17226 opt->target = opt->textValue = p+7;
17227 opt->type = FileName; // FileName;
17228 opt->target = &opt->textValue;
17229 } else if((p = strstr(opt->name, " -path "))) {
17230 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17231 opt->target = opt->textValue = p+7;
17232 opt->type = PathName; // PathName;
17233 opt->target = &opt->textValue;
17234 } else if(p = strstr(opt->name, " -check ")) {
17235 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17236 opt->value = (def != 0);
17237 opt->type = CheckBox;
17238 } else if(p = strstr(opt->name, " -combo ")) {
17239 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17240 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17241 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17242 opt->value = n = 0;
17243 while(q = StrStr(q, " /// ")) {
17244 n++; *q = 0; // count choices, and null-terminate each of them
17246 if(*q == '*') { // remember default, which is marked with * prefix
17250 cps->comboList[cps->comboCnt++] = q;
17252 cps->comboList[cps->comboCnt++] = NULL;
17254 opt->type = ComboBox;
17255 } else if(p = strstr(opt->name, " -button")) {
17256 opt->type = Button;
17257 } else if(p = strstr(opt->name, " -save")) {
17258 opt->type = SaveButton;
17259 } else return FALSE;
17260 *p = 0; // terminate option name
17261 // now look if the command-line options define a setting for this engine option.
17262 if(cps->optionSettings && cps->optionSettings[0])
17263 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17264 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17265 snprintf(buf, MSG_SIZ, "option %s", p);
17266 if(p = strstr(buf, ",")) *p = 0;
17267 if(q = strchr(buf, '=')) switch(opt->type) {
17269 for(n=0; n<opt->max; n++)
17270 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17273 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17277 opt->value = atoi(q+1);
17282 SendToProgram(buf, cps);
17288 FeatureDone (ChessProgramState *cps, int val)
17290 DelayedEventCallback cb = GetDelayedEvent();
17291 if ((cb == InitBackEnd3 && cps == &first) ||
17292 (cb == SettingsMenuIfReady && cps == &second) ||
17293 (cb == LoadEngine) ||
17294 (cb == TwoMachinesEventIfReady)) {
17295 CancelDelayedEvent();
17296 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17297 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17298 cps->initDone = val;
17299 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17302 /* Parse feature command from engine */
17304 ParseFeatures (char *args, ChessProgramState *cps)
17312 while (*p == ' ') p++;
17313 if (*p == NULLCHAR) return;
17315 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17316 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17317 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17318 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17319 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17320 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17321 if (BoolFeature(&p, "reuse", &val, cps)) {
17322 /* Engine can disable reuse, but can't enable it if user said no */
17323 if (!val) cps->reuse = FALSE;
17326 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17327 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17328 if (gameMode == TwoMachinesPlay) {
17329 DisplayTwoMachinesTitle();
17335 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17336 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17337 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17338 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17339 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17340 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17341 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17342 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17343 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17344 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17345 if (IntFeature(&p, "done", &val, cps)) {
17346 FeatureDone(cps, val);
17349 /* Added by Tord: */
17350 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17351 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17352 /* End of additions by Tord */
17354 /* [HGM] added features: */
17355 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17356 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17357 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17358 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17359 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17360 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17361 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17362 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17363 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17364 FREE(cps->option[cps->nrOptions].name);
17365 cps->option[cps->nrOptions].name = q; q = NULL;
17366 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17367 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17368 SendToProgram(buf, cps);
17371 if(cps->nrOptions >= MAX_OPTIONS) {
17373 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17374 DisplayError(buf, 0);
17378 /* End of additions by HGM */
17380 /* unknown feature: complain and skip */
17382 while (*q && *q != '=') q++;
17383 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17384 SendToProgram(buf, cps);
17390 while (*p && *p != '\"') p++;
17391 if (*p == '\"') p++;
17393 while (*p && *p != ' ') p++;
17401 PeriodicUpdatesEvent (int newState)
17403 if (newState == appData.periodicUpdates)
17406 appData.periodicUpdates=newState;
17408 /* Display type changes, so update it now */
17409 // DisplayAnalysis();
17411 /* Get the ball rolling again... */
17413 AnalysisPeriodicEvent(1);
17414 StartAnalysisClock();
17419 PonderNextMoveEvent (int newState)
17421 if (newState == appData.ponderNextMove) return;
17422 if (gameMode == EditPosition) EditPositionDone(TRUE);
17424 SendToProgram("hard\n", &first);
17425 if (gameMode == TwoMachinesPlay) {
17426 SendToProgram("hard\n", &second);
17429 SendToProgram("easy\n", &first);
17430 thinkOutput[0] = NULLCHAR;
17431 if (gameMode == TwoMachinesPlay) {
17432 SendToProgram("easy\n", &second);
17435 appData.ponderNextMove = newState;
17439 NewSettingEvent (int option, int *feature, char *command, int value)
17443 if (gameMode == EditPosition) EditPositionDone(TRUE);
17444 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17445 if(feature == NULL || *feature) SendToProgram(buf, &first);
17446 if (gameMode == TwoMachinesPlay) {
17447 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17452 ShowThinkingEvent ()
17453 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17455 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17456 int newState = appData.showThinking
17457 // [HGM] thinking: other features now need thinking output as well
17458 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17460 if (oldState == newState) return;
17461 oldState = newState;
17462 if (gameMode == EditPosition) EditPositionDone(TRUE);
17464 SendToProgram("post\n", &first);
17465 if (gameMode == TwoMachinesPlay) {
17466 SendToProgram("post\n", &second);
17469 SendToProgram("nopost\n", &first);
17470 thinkOutput[0] = NULLCHAR;
17471 if (gameMode == TwoMachinesPlay) {
17472 SendToProgram("nopost\n", &second);
17475 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17479 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17481 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17482 if (pr == NoProc) return;
17483 AskQuestion(title, question, replyPrefix, pr);
17487 TypeInEvent (char firstChar)
17489 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17490 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17491 gameMode == AnalyzeMode || gameMode == EditGame ||
17492 gameMode == EditPosition || gameMode == IcsExamining ||
17493 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17494 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17495 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17496 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17497 gameMode == Training) PopUpMoveDialog(firstChar);
17501 TypeInDoneEvent (char *move)
17504 int n, fromX, fromY, toX, toY;
17506 ChessMove moveType;
17509 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17510 EditPositionPasteFEN(move);
17513 // [HGM] movenum: allow move number to be typed in any mode
17514 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17518 // undocumented kludge: allow command-line option to be typed in!
17519 // (potentially fatal, and does not implement the effect of the option.)
17520 // should only be used for options that are values on which future decisions will be made,
17521 // and definitely not on options that would be used during initialization.
17522 if(strstr(move, "!!! -") == move) {
17523 ParseArgsFromString(move+4);
17527 if (gameMode != EditGame && currentMove != forwardMostMove &&
17528 gameMode != Training) {
17529 DisplayMoveError(_("Displayed move is not current"));
17531 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17532 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17533 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17534 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17535 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17536 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17538 DisplayMoveError(_("Could not parse move"));
17544 DisplayMove (int moveNumber)
17546 char message[MSG_SIZ];
17548 char cpThinkOutput[MSG_SIZ];
17550 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17552 if (moveNumber == forwardMostMove - 1 ||
17553 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17555 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17557 if (strchr(cpThinkOutput, '\n')) {
17558 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17561 *cpThinkOutput = NULLCHAR;
17564 /* [AS] Hide thinking from human user */
17565 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17566 *cpThinkOutput = NULLCHAR;
17567 if( thinkOutput[0] != NULLCHAR ) {
17570 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17571 cpThinkOutput[i] = '.';
17573 cpThinkOutput[i] = NULLCHAR;
17574 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17578 if (moveNumber == forwardMostMove - 1 &&
17579 gameInfo.resultDetails != NULL) {
17580 if (gameInfo.resultDetails[0] == NULLCHAR) {
17581 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17583 snprintf(res, MSG_SIZ, " {%s} %s",
17584 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17590 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17591 DisplayMessage(res, cpThinkOutput);
17593 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17594 WhiteOnMove(moveNumber) ? " " : ".. ",
17595 parseList[moveNumber], res);
17596 DisplayMessage(message, cpThinkOutput);
17601 DisplayComment (int moveNumber, char *text)
17603 char title[MSG_SIZ];
17605 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17606 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17608 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17609 WhiteOnMove(moveNumber) ? " " : ".. ",
17610 parseList[moveNumber]);
17612 if (text != NULL && (appData.autoDisplayComment || commentUp))
17613 CommentPopUp(title, text);
17616 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17617 * might be busy thinking or pondering. It can be omitted if your
17618 * gnuchess is configured to stop thinking immediately on any user
17619 * input. However, that gnuchess feature depends on the FIONREAD
17620 * ioctl, which does not work properly on some flavors of Unix.
17623 Attention (ChessProgramState *cps)
17626 if (!cps->useSigint) return;
17627 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17628 switch (gameMode) {
17629 case MachinePlaysWhite:
17630 case MachinePlaysBlack:
17631 case TwoMachinesPlay:
17632 case IcsPlayingWhite:
17633 case IcsPlayingBlack:
17636 /* Skip if we know it isn't thinking */
17637 if (!cps->maybeThinking) return;
17638 if (appData.debugMode)
17639 fprintf(debugFP, "Interrupting %s\n", cps->which);
17640 InterruptChildProcess(cps->pr);
17641 cps->maybeThinking = FALSE;
17646 #endif /*ATTENTION*/
17652 if (whiteTimeRemaining <= 0) {
17655 if (appData.icsActive) {
17656 if (appData.autoCallFlag &&
17657 gameMode == IcsPlayingBlack && !blackFlag) {
17658 SendToICS(ics_prefix);
17659 SendToICS("flag\n");
17663 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17665 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17666 if (appData.autoCallFlag) {
17667 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17674 if (blackTimeRemaining <= 0) {
17677 if (appData.icsActive) {
17678 if (appData.autoCallFlag &&
17679 gameMode == IcsPlayingWhite && !whiteFlag) {
17680 SendToICS(ics_prefix);
17681 SendToICS("flag\n");
17685 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17687 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17688 if (appData.autoCallFlag) {
17689 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17700 CheckTimeControl ()
17702 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17703 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17706 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17708 if ( !WhiteOnMove(forwardMostMove) ) {
17709 /* White made time control */
17710 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17711 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17712 /* [HGM] time odds: correct new time quota for time odds! */
17713 / WhitePlayer()->timeOdds;
17714 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17716 lastBlack -= blackTimeRemaining;
17717 /* Black made time control */
17718 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17719 / WhitePlayer()->other->timeOdds;
17720 lastWhite = whiteTimeRemaining;
17725 DisplayBothClocks ()
17727 int wom = gameMode == EditPosition ?
17728 !blackPlaysFirst : WhiteOnMove(currentMove);
17729 DisplayWhiteClock(whiteTimeRemaining, wom);
17730 DisplayBlackClock(blackTimeRemaining, !wom);
17734 /* Timekeeping seems to be a portability nightmare. I think everyone
17735 has ftime(), but I'm really not sure, so I'm including some ifdefs
17736 to use other calls if you don't. Clocks will be less accurate if
17737 you have neither ftime nor gettimeofday.
17740 /* VS 2008 requires the #include outside of the function */
17741 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17742 #include <sys/timeb.h>
17745 /* Get the current time as a TimeMark */
17747 GetTimeMark (TimeMark *tm)
17749 #if HAVE_GETTIMEOFDAY
17751 struct timeval timeVal;
17752 struct timezone timeZone;
17754 gettimeofday(&timeVal, &timeZone);
17755 tm->sec = (long) timeVal.tv_sec;
17756 tm->ms = (int) (timeVal.tv_usec / 1000L);
17758 #else /*!HAVE_GETTIMEOFDAY*/
17761 // include <sys/timeb.h> / moved to just above start of function
17762 struct timeb timeB;
17765 tm->sec = (long) timeB.time;
17766 tm->ms = (int) timeB.millitm;
17768 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17769 tm->sec = (long) time(NULL);
17775 /* Return the difference in milliseconds between two
17776 time marks. We assume the difference will fit in a long!
17779 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17781 return 1000L*(tm2->sec - tm1->sec) +
17782 (long) (tm2->ms - tm1->ms);
17787 * Code to manage the game clocks.
17789 * In tournament play, black starts the clock and then white makes a move.
17790 * We give the human user a slight advantage if he is playing white---the
17791 * clocks don't run until he makes his first move, so it takes zero time.
17792 * Also, we don't account for network lag, so we could get out of sync
17793 * with GNU Chess's clock -- but then, referees are always right.
17796 static TimeMark tickStartTM;
17797 static long intendedTickLength;
17800 NextTickLength (long timeRemaining)
17802 long nominalTickLength, nextTickLength;
17804 if (timeRemaining > 0L && timeRemaining <= 10000L)
17805 nominalTickLength = 100L;
17807 nominalTickLength = 1000L;
17808 nextTickLength = timeRemaining % nominalTickLength;
17809 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17811 return nextTickLength;
17814 /* Adjust clock one minute up or down */
17816 AdjustClock (Boolean which, int dir)
17818 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17819 if(which) blackTimeRemaining += 60000*dir;
17820 else whiteTimeRemaining += 60000*dir;
17821 DisplayBothClocks();
17822 adjustedClock = TRUE;
17825 /* Stop clocks and reset to a fresh time control */
17829 (void) StopClockTimer();
17830 if (appData.icsActive) {
17831 whiteTimeRemaining = blackTimeRemaining = 0;
17832 } else if (searchTime) {
17833 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17834 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17835 } else { /* [HGM] correct new time quote for time odds */
17836 whiteTC = blackTC = fullTimeControlString;
17837 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17838 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17840 if (whiteFlag || blackFlag) {
17842 whiteFlag = blackFlag = FALSE;
17844 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17845 DisplayBothClocks();
17846 adjustedClock = FALSE;
17849 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17851 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17853 /* Decrement running clock by amount of time that has passed */
17858 long lastTickLength, fudge;
17861 if (!appData.clockMode) return;
17862 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17866 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17868 /* Fudge if we woke up a little too soon */
17869 fudge = intendedTickLength - lastTickLength;
17870 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17872 if (WhiteOnMove(forwardMostMove)) {
17873 if(whiteNPS >= 0) lastTickLength = 0;
17874 tRemaining = whiteTimeRemaining -= lastTickLength;
17875 if( tRemaining < 0 && !appData.icsActive) {
17876 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17877 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17878 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17879 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17882 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17883 DisplayWhiteClock(whiteTimeRemaining - fudge,
17884 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17887 if(blackNPS >= 0) lastTickLength = 0;
17888 tRemaining = blackTimeRemaining -= lastTickLength;
17889 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17890 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17892 blackStartMove = forwardMostMove;
17893 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17896 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17897 DisplayBlackClock(blackTimeRemaining - fudge,
17898 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17901 if (CheckFlags()) return;
17903 if(twoBoards) { // count down secondary board's clocks as well
17904 activePartnerTime -= lastTickLength;
17906 if(activePartner == 'W')
17907 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17909 DisplayBlackClock(activePartnerTime, TRUE);
17914 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17915 StartClockTimer(intendedTickLength);
17917 /* if the time remaining has fallen below the alarm threshold, sound the
17918 * alarm. if the alarm has sounded and (due to a takeback or time control
17919 * with increment) the time remaining has increased to a level above the
17920 * threshold, reset the alarm so it can sound again.
17923 if (appData.icsActive && appData.icsAlarm) {
17925 /* make sure we are dealing with the user's clock */
17926 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17927 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17930 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17931 alarmSounded = FALSE;
17932 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17934 alarmSounded = TRUE;
17940 /* A player has just moved, so stop the previously running
17941 clock and (if in clock mode) start the other one.
17942 We redisplay both clocks in case we're in ICS mode, because
17943 ICS gives us an update to both clocks after every move.
17944 Note that this routine is called *after* forwardMostMove
17945 is updated, so the last fractional tick must be subtracted
17946 from the color that is *not* on move now.
17949 SwitchClocks (int newMoveNr)
17951 long lastTickLength;
17953 int flagged = FALSE;
17957 if (StopClockTimer() && appData.clockMode) {
17958 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17959 if (!WhiteOnMove(forwardMostMove)) {
17960 if(blackNPS >= 0) lastTickLength = 0;
17961 blackTimeRemaining -= lastTickLength;
17962 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17963 // if(pvInfoList[forwardMostMove].time == -1)
17964 pvInfoList[forwardMostMove].time = // use GUI time
17965 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17967 if(whiteNPS >= 0) lastTickLength = 0;
17968 whiteTimeRemaining -= lastTickLength;
17969 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17970 // if(pvInfoList[forwardMostMove].time == -1)
17971 pvInfoList[forwardMostMove].time =
17972 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17974 flagged = CheckFlags();
17976 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17977 CheckTimeControl();
17979 if (flagged || !appData.clockMode) return;
17981 switch (gameMode) {
17982 case MachinePlaysBlack:
17983 case MachinePlaysWhite:
17984 case BeginningOfGame:
17985 if (pausing) return;
17989 case PlayFromGameFile:
17997 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17998 if(WhiteOnMove(forwardMostMove))
17999 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18000 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18004 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18005 whiteTimeRemaining : blackTimeRemaining);
18006 StartClockTimer(intendedTickLength);
18010 /* Stop both clocks */
18014 long lastTickLength;
18017 if (!StopClockTimer()) return;
18018 if (!appData.clockMode) return;
18022 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18023 if (WhiteOnMove(forwardMostMove)) {
18024 if(whiteNPS >= 0) lastTickLength = 0;
18025 whiteTimeRemaining -= lastTickLength;
18026 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18028 if(blackNPS >= 0) lastTickLength = 0;
18029 blackTimeRemaining -= lastTickLength;
18030 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18035 /* Start clock of player on move. Time may have been reset, so
18036 if clock is already running, stop and restart it. */
18040 (void) StopClockTimer(); /* in case it was running already */
18041 DisplayBothClocks();
18042 if (CheckFlags()) return;
18044 if (!appData.clockMode) return;
18045 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18047 GetTimeMark(&tickStartTM);
18048 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18049 whiteTimeRemaining : blackTimeRemaining);
18051 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18052 whiteNPS = blackNPS = -1;
18053 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18054 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18055 whiteNPS = first.nps;
18056 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18057 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18058 blackNPS = first.nps;
18059 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18060 whiteNPS = second.nps;
18061 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18062 blackNPS = second.nps;
18063 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18065 StartClockTimer(intendedTickLength);
18069 TimeString (long ms)
18071 long second, minute, hour, day;
18073 static char buf[40], moveTime[8];
18075 if (ms > 0 && ms <= 9900) {
18076 /* convert milliseconds to tenths, rounding up */
18077 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18079 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18083 /* convert milliseconds to seconds, rounding up */
18084 /* use floating point to avoid strangeness of integer division
18085 with negative dividends on many machines */
18086 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18093 day = second / (60 * 60 * 24);
18094 second = second % (60 * 60 * 24);
18095 hour = second / (60 * 60);
18096 second = second % (60 * 60);
18097 minute = second / 60;
18098 second = second % 60;
18100 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18101 else *moveTime = NULLCHAR;
18104 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18105 sign, day, hour, minute, second, moveTime);
18107 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18109 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18116 * This is necessary because some C libraries aren't ANSI C compliant yet.
18119 StrStr (char *string, char *match)
18123 length = strlen(match);
18125 for (i = strlen(string) - length; i >= 0; i--, string++)
18126 if (!strncmp(match, string, length))
18133 StrCaseStr (char *string, char *match)
18137 length = strlen(match);
18139 for (i = strlen(string) - length; i >= 0; i--, string++) {
18140 for (j = 0; j < length; j++) {
18141 if (ToLower(match[j]) != ToLower(string[j]))
18144 if (j == length) return string;
18152 StrCaseCmp (char *s1, char *s2)
18157 c1 = ToLower(*s1++);
18158 c2 = ToLower(*s2++);
18159 if (c1 > c2) return 1;
18160 if (c1 < c2) return -1;
18161 if (c1 == NULLCHAR) return 0;
18169 return isupper(c) ? tolower(c) : c;
18176 return islower(c) ? toupper(c) : c;
18178 #endif /* !_amigados */
18185 if ((ret = (char *) malloc(strlen(s) + 1)))
18187 safeStrCpy(ret, s, strlen(s)+1);
18193 StrSavePtr (char *s, char **savePtr)
18198 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18199 safeStrCpy(*savePtr, s, strlen(s)+1);
18211 clock = time((time_t *)NULL);
18212 tm = localtime(&clock);
18213 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18214 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18215 return StrSave(buf);
18220 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18222 int i, j, fromX, fromY, toX, toY;
18223 int whiteToPlay, haveRights = nrCastlingRights;
18229 whiteToPlay = (gameMode == EditPosition) ?
18230 !blackPlaysFirst : (move % 2 == 0);
18233 /* Piece placement data */
18234 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18235 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18237 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18238 if (boards[move][i][j] == EmptySquare) {
18240 } else { ChessSquare piece = boards[move][i][j];
18241 if (emptycount > 0) {
18242 if(emptycount<10) /* [HGM] can be >= 10 */
18243 *p++ = '0' + emptycount;
18244 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18247 if(PieceToChar(piece) == '+') {
18248 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18250 piece = (ChessSquare)(CHUDEMOTED(piece));
18252 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18253 if(*p = PieceSuffix(piece)) p++;
18255 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18256 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18261 if (emptycount > 0) {
18262 if(emptycount<10) /* [HGM] can be >= 10 */
18263 *p++ = '0' + emptycount;
18264 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18271 /* [HGM] print Crazyhouse or Shogi holdings */
18272 if( gameInfo.holdingsWidth ) {
18273 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18275 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18276 piece = boards[move][i][BOARD_WIDTH-1];
18277 if( piece != EmptySquare )
18278 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18279 *p++ = PieceToChar(piece);
18281 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18282 piece = boards[move][BOARD_HEIGHT-i-1][0];
18283 if( piece != EmptySquare )
18284 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18285 *p++ = PieceToChar(piece);
18288 if( q == p ) *p++ = '-';
18294 *p++ = whiteToPlay ? 'w' : 'b';
18297 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18298 haveRights = 0; q = p;
18299 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18300 piece = boards[move][0][i];
18301 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18302 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18305 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18306 piece = boards[move][BOARD_HEIGHT-1][i];
18307 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18308 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18311 if(p == q) *p++ = '-';
18315 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18318 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18321 int handW=0, handB=0;
18322 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18323 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18324 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18327 if(appData.fischerCastling) {
18328 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18329 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18330 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18332 /* [HGM] write directly from rights */
18333 if(boards[move][CASTLING][2] != NoRights &&
18334 boards[move][CASTLING][0] != NoRights )
18335 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18336 if(boards[move][CASTLING][2] != NoRights &&
18337 boards[move][CASTLING][1] != NoRights )
18338 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18341 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18342 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18344 if(boards[move][CASTLING][5] != NoRights &&
18345 boards[move][CASTLING][3] != NoRights )
18346 *p++ = boards[move][CASTLING][3] + AAA;
18347 if(boards[move][CASTLING][5] != NoRights &&
18348 boards[move][CASTLING][4] != NoRights )
18349 *p++ = boards[move][CASTLING][4] + AAA;
18353 /* [HGM] write true castling rights */
18354 if( nrCastlingRights == 6 ) {
18356 if(boards[move][CASTLING][0] != NoRights &&
18357 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18358 q = (boards[move][CASTLING][1] != NoRights &&
18359 boards[move][CASTLING][2] != NoRights );
18360 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18361 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18362 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18363 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18367 if(boards[move][CASTLING][3] != NoRights &&
18368 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18369 q = (boards[move][CASTLING][4] != NoRights &&
18370 boards[move][CASTLING][5] != NoRights );
18372 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18373 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18374 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18379 if (q == p) *p++ = '-'; /* No castling rights */
18383 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18384 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18385 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18386 /* En passant target square */
18387 if (move > backwardMostMove) {
18388 fromX = moveList[move - 1][0] - AAA;
18389 fromY = moveList[move - 1][1] - ONE;
18390 toX = moveList[move - 1][2] - AAA;
18391 toY = moveList[move - 1][3] - ONE;
18392 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18393 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18394 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18396 /* 2-square pawn move just happened */
18398 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18402 } else if(move == backwardMostMove) {
18403 // [HGM] perhaps we should always do it like this, and forget the above?
18404 if((signed char)boards[move][EP_STATUS] >= 0) {
18405 *p++ = boards[move][EP_STATUS] + AAA;
18406 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18418 { int i = 0, j=move;
18420 /* [HGM] find reversible plies */
18421 if (appData.debugMode) { int k;
18422 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18423 for(k=backwardMostMove; k<=forwardMostMove; k++)
18424 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18428 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18429 if( j == backwardMostMove ) i += initialRulePlies;
18430 sprintf(p, "%d ", i);
18431 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18433 /* Fullmove number */
18434 sprintf(p, "%d", (move / 2) + 1);
18435 } else *--p = NULLCHAR;
18437 return StrSave(buf);
18441 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18443 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18445 int emptycount, virgin[BOARD_FILES];
18446 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18450 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18452 /* Piece placement data */
18453 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18456 if (*p == '/' || *p == ' ' || *p == '[' ) {
18458 emptycount = gameInfo.boardWidth - j;
18459 while (emptycount--)
18460 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18461 if (*p == '/') p++;
18462 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18463 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18464 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18466 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18469 #if(BOARD_FILES >= 10)*0
18470 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18471 p++; emptycount=10;
18472 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18473 while (emptycount--)
18474 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18476 } else if (*p == '*') {
18477 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18478 } else if (isdigit(*p)) {
18479 emptycount = *p++ - '0';
18480 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18481 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18482 while (emptycount--)
18483 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18484 } else if (*p == '<') {
18485 if(i == BOARD_HEIGHT-1) shuffle = 1;
18486 else if (i != 0 || !shuffle) return FALSE;
18488 } else if (shuffle && *p == '>') {
18489 p++; // for now ignore closing shuffle range, and assume rank-end
18490 } else if (*p == '?') {
18491 if (j >= gameInfo.boardWidth) return FALSE;
18492 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18493 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18494 } else if (*p == '+' || isalpha(*p)) {
18495 char *q, *s = SUFFIXES;
18496 if (j >= gameInfo.boardWidth) return FALSE;
18499 if(q = strchr(s, p[1])) p++;
18500 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18501 if(piece == EmptySquare) return FALSE; /* unknown piece */
18502 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18503 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18506 if(q = strchr(s, *p)) p++;
18507 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18510 if(piece==EmptySquare) return FALSE; /* unknown piece */
18511 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18512 piece = (ChessSquare) (PROMOTED(piece));
18513 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18516 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18517 if(piece == king) wKingRank = i;
18518 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18524 while (*p == '/' || *p == ' ') p++;
18526 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18528 /* [HGM] by default clear Crazyhouse holdings, if present */
18529 if(gameInfo.holdingsWidth) {
18530 for(i=0; i<BOARD_HEIGHT; i++) {
18531 board[i][0] = EmptySquare; /* black holdings */
18532 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18533 board[i][1] = (ChessSquare) 0; /* black counts */
18534 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18538 /* [HGM] look for Crazyhouse holdings here */
18539 while(*p==' ') p++;
18540 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18541 int swap=0, wcnt=0, bcnt=0;
18543 if(*p == '<') swap++, p++;
18544 if(*p == '-' ) p++; /* empty holdings */ else {
18545 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18546 /* if we would allow FEN reading to set board size, we would */
18547 /* have to add holdings and shift the board read so far here */
18548 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18550 if((int) piece >= (int) BlackPawn ) {
18551 i = (int)piece - (int)BlackPawn;
18552 i = PieceToNumber((ChessSquare)i);
18553 if( i >= gameInfo.holdingsSize ) return FALSE;
18554 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18555 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18558 i = (int)piece - (int)WhitePawn;
18559 i = PieceToNumber((ChessSquare)i);
18560 if( i >= gameInfo.holdingsSize ) return FALSE;
18561 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18562 board[i][BOARD_WIDTH-2]++; /* black holdings */
18566 if(subst) { // substitute back-rank question marks by holdings pieces
18567 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18568 int k, m, n = bcnt + 1;
18569 if(board[0][j] == ClearBoard) {
18570 if(!wcnt) return FALSE;
18572 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18573 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18574 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18578 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18579 if(!bcnt) return FALSE;
18580 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18581 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18582 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18583 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18594 if(subst) return FALSE; // substitution requested, but no holdings
18596 while(*p == ' ') p++;
18600 if(appData.colorNickNames) {
18601 if( c == appData.colorNickNames[0] ) c = 'w'; else
18602 if( c == appData.colorNickNames[1] ) c = 'b';
18606 *blackPlaysFirst = FALSE;
18609 *blackPlaysFirst = TRUE;
18615 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18616 /* return the extra info in global variiables */
18618 while(*p==' ') p++;
18620 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18621 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18622 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18625 /* set defaults in case FEN is incomplete */
18626 board[EP_STATUS] = EP_UNKNOWN;
18627 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18628 for(i=0; i<nrCastlingRights; i++ ) {
18629 board[CASTLING][i] =
18630 appData.fischerCastling ? NoRights : initialRights[i];
18631 } /* assume possible unless obviously impossible */
18632 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18633 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18634 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18635 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18636 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18637 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18638 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18639 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18642 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18645 while(isalpha(*p)) {
18646 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18647 if(islower(*p)) b |= 1 << (*p++ - 'a');
18651 board[TOUCHED_W] = ~w;
18652 board[TOUCHED_B] = ~b;
18653 while(*p == ' ') p++;
18657 if(nrCastlingRights) {
18659 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18660 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18661 /* castling indicator present, so default becomes no castlings */
18662 for(i=0; i<nrCastlingRights; i++ ) {
18663 board[CASTLING][i] = NoRights;
18666 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18667 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18668 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18669 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18670 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18672 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18673 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18674 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18676 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18677 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18678 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18679 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18680 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18681 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18684 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18685 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18686 board[CASTLING][2] = whiteKingFile;
18687 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18688 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18689 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18692 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18693 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18694 board[CASTLING][2] = whiteKingFile;
18695 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18696 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18697 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18700 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18701 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18702 board[CASTLING][5] = blackKingFile;
18703 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18704 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18705 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18708 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18709 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18710 board[CASTLING][5] = blackKingFile;
18711 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18712 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18713 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18716 default: /* FRC castlings */
18717 if(c >= 'a') { /* black rights */
18718 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18719 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18720 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18721 if(i == BOARD_RGHT) break;
18722 board[CASTLING][5] = i;
18724 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18725 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18727 board[CASTLING][3] = c;
18729 board[CASTLING][4] = c;
18730 } else { /* white rights */
18731 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18732 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18733 if(board[0][i] == WhiteKing) break;
18734 if(i == BOARD_RGHT) break;
18735 board[CASTLING][2] = i;
18736 c -= AAA - 'a' + 'A';
18737 if(board[0][c] >= WhiteKing) break;
18739 board[CASTLING][0] = c;
18741 board[CASTLING][1] = c;
18745 for(i=0; i<nrCastlingRights; i++)
18746 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18747 if(gameInfo.variant == VariantSChess)
18748 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18749 if(fischer && shuffle) appData.fischerCastling = TRUE;
18750 if (appData.debugMode) {
18751 fprintf(debugFP, "FEN castling rights:");
18752 for(i=0; i<nrCastlingRights; i++)
18753 fprintf(debugFP, " %d", board[CASTLING][i]);
18754 fprintf(debugFP, "\n");
18757 while(*p==' ') p++;
18760 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18762 /* read e.p. field in games that know e.p. capture */
18763 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18764 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18765 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18767 p++; board[EP_STATUS] = EP_NONE;
18769 char c = *p++ - AAA;
18771 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18772 if(*p >= '0' && *p <='9') p++;
18773 board[EP_STATUS] = c;
18778 if(sscanf(p, "%d", &i) == 1) {
18779 FENrulePlies = i; /* 50-move ply counter */
18780 /* (The move number is still ignored) */
18787 EditPositionPasteFEN (char *fen)
18790 Board initial_position;
18792 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18793 DisplayError(_("Bad FEN position in clipboard"), 0);
18796 int savedBlackPlaysFirst = blackPlaysFirst;
18797 EditPositionEvent();
18798 blackPlaysFirst = savedBlackPlaysFirst;
18799 CopyBoard(boards[0], initial_position);
18800 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18801 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18802 DisplayBothClocks();
18803 DrawPosition(FALSE, boards[currentMove]);
18808 static char cseq[12] = "\\ ";
18811 set_cont_sequence (char *new_seq)
18816 // handle bad attempts to set the sequence
18818 return 0; // acceptable error - no debug
18820 len = strlen(new_seq);
18821 ret = (len > 0) && (len < sizeof(cseq));
18823 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18824 else if (appData.debugMode)
18825 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18830 reformat a source message so words don't cross the width boundary. internal
18831 newlines are not removed. returns the wrapped size (no null character unless
18832 included in source message). If dest is NULL, only calculate the size required
18833 for the dest buffer. lp argument indicats line position upon entry, and it's
18834 passed back upon exit.
18837 wrap (char *dest, char *src, int count, int width, int *lp)
18839 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18841 cseq_len = strlen(cseq);
18842 old_line = line = *lp;
18843 ansi = len = clen = 0;
18845 for (i=0; i < count; i++)
18847 if (src[i] == '\033')
18850 // if we hit the width, back up
18851 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18853 // store i & len in case the word is too long
18854 old_i = i, old_len = len;
18856 // find the end of the last word
18857 while (i && src[i] != ' ' && src[i] != '\n')
18863 // word too long? restore i & len before splitting it
18864 if ((old_i-i+clen) >= width)
18871 if (i && src[i-1] == ' ')
18874 if (src[i] != ' ' && src[i] != '\n')
18881 // now append the newline and continuation sequence
18886 strncpy(dest+len, cseq, cseq_len);
18894 dest[len] = src[i];
18898 if (src[i] == '\n')
18903 if (dest && appData.debugMode)
18905 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18906 count, width, line, len, *lp);
18907 show_bytes(debugFP, src, count);
18908 fprintf(debugFP, "\ndest: ");
18909 show_bytes(debugFP, dest, len);
18910 fprintf(debugFP, "\n");
18912 *lp = dest ? line : old_line;
18917 // [HGM] vari: routines for shelving variations
18918 Boolean modeRestore = FALSE;
18921 PushInner (int firstMove, int lastMove)
18923 int i, j, nrMoves = lastMove - firstMove;
18925 // push current tail of game on stack
18926 savedResult[storedGames] = gameInfo.result;
18927 savedDetails[storedGames] = gameInfo.resultDetails;
18928 gameInfo.resultDetails = NULL;
18929 savedFirst[storedGames] = firstMove;
18930 savedLast [storedGames] = lastMove;
18931 savedFramePtr[storedGames] = framePtr;
18932 framePtr -= nrMoves; // reserve space for the boards
18933 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18934 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18935 for(j=0; j<MOVE_LEN; j++)
18936 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18937 for(j=0; j<2*MOVE_LEN; j++)
18938 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18939 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18940 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18941 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18942 pvInfoList[firstMove+i-1].depth = 0;
18943 commentList[framePtr+i] = commentList[firstMove+i];
18944 commentList[firstMove+i] = NULL;
18948 forwardMostMove = firstMove; // truncate game so we can start variation
18952 PushTail (int firstMove, int lastMove)
18954 if(appData.icsActive) { // only in local mode
18955 forwardMostMove = currentMove; // mimic old ICS behavior
18958 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18960 PushInner(firstMove, lastMove);
18961 if(storedGames == 1) GreyRevert(FALSE);
18962 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18966 PopInner (Boolean annotate)
18969 char buf[8000], moveBuf[20];
18971 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18972 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18973 nrMoves = savedLast[storedGames] - currentMove;
18976 if(!WhiteOnMove(currentMove))
18977 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18978 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18979 for(i=currentMove; i<forwardMostMove; i++) {
18981 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18982 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18983 strcat(buf, moveBuf);
18984 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18985 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18989 for(i=1; i<=nrMoves; i++) { // copy last variation back
18990 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18991 for(j=0; j<MOVE_LEN; j++)
18992 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18993 for(j=0; j<2*MOVE_LEN; j++)
18994 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18995 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18996 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18997 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18998 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18999 commentList[currentMove+i] = commentList[framePtr+i];
19000 commentList[framePtr+i] = NULL;
19002 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19003 framePtr = savedFramePtr[storedGames];
19004 gameInfo.result = savedResult[storedGames];
19005 if(gameInfo.resultDetails != NULL) {
19006 free(gameInfo.resultDetails);
19008 gameInfo.resultDetails = savedDetails[storedGames];
19009 forwardMostMove = currentMove + nrMoves;
19013 PopTail (Boolean annotate)
19015 if(appData.icsActive) return FALSE; // only in local mode
19016 if(!storedGames) return FALSE; // sanity
19017 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19019 PopInner(annotate);
19020 if(currentMove < forwardMostMove) ForwardEvent(); else
19021 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19023 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19029 { // remove all shelved variations
19031 for(i=0; i<storedGames; i++) {
19032 if(savedDetails[i])
19033 free(savedDetails[i]);
19034 savedDetails[i] = NULL;
19036 for(i=framePtr; i<MAX_MOVES; i++) {
19037 if(commentList[i]) free(commentList[i]);
19038 commentList[i] = NULL;
19040 framePtr = MAX_MOVES-1;
19045 LoadVariation (int index, char *text)
19046 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19047 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19048 int level = 0, move;
19050 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19051 // first find outermost bracketing variation
19052 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19053 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19054 if(*p == '{') wait = '}'; else
19055 if(*p == '[') wait = ']'; else
19056 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19057 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19059 if(*p == wait) wait = NULLCHAR; // closing ]} found
19062 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19063 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19064 end[1] = NULLCHAR; // clip off comment beyond variation
19065 ToNrEvent(currentMove-1);
19066 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19067 // kludge: use ParsePV() to append variation to game
19068 move = currentMove;
19069 ParsePV(start, TRUE, TRUE);
19070 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19071 ClearPremoveHighlights();
19073 ToNrEvent(currentMove+1);
19076 int transparency[2];
19081 #define BUF_SIZ (2*MSG_SIZ)
19082 char *p, *q, buf[BUF_SIZ];
19083 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19084 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19085 ParseArgsFromString(buf);
19086 ActivateTheme(TRUE); // also redo colors
19090 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19093 q = appData.themeNames;
19094 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19095 if(appData.useBitmaps) {
19096 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19097 Shorten(appData.liteBackTextureFile));
19098 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19099 Shorten(appData.darkBackTextureFile),
19100 appData.liteBackTextureMode,
19101 appData.darkBackTextureMode );
19103 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19105 if(!appData.useBitmaps || transparency[0]) {
19106 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19108 if(!appData.useBitmaps || transparency[1]) {
19109 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19111 if(appData.useBorder) {
19112 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19115 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19117 if(appData.useFont) {
19118 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19119 appData.renderPiecesWithFont,
19120 appData.fontToPieceTable,
19121 Col2Text(9), // appData.fontBackColorWhite
19122 Col2Text(10) ); // appData.fontForeColorBlack
19124 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19125 if(appData.pieceDirectory[0]) {
19126 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19127 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19128 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19130 if(!appData.pieceDirectory[0] || !appData.trueColors)
19131 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19132 Col2Text(0), // whitePieceColor
19133 Col2Text(1) ); // blackPieceColor
19135 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19136 Col2Text(4), // highlightSquareColor
19137 Col2Text(5) ); // premoveHighlightColor
19138 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19139 if(insert != q) insert[-1] = NULLCHAR;
19140 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19143 ActivateTheme(FALSE);