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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
279 /* States for ics_getting_history */
281 #define H_REQUESTED 1
282 #define H_GOT_REQ_HEADER 2
283 #define H_GOT_UNREQ_HEADER 3
284 #define H_GETTING_MOVES 4
285 #define H_GOT_UNWANTED_HEADER 5
287 /* whosays values for GameEnds */
296 /* Maximum number of games in a cmail message */
297 #define CMAIL_MAX_GAMES 20
299 /* Different types of move when calling RegisterMove */
301 #define CMAIL_RESIGN 1
303 #define CMAIL_ACCEPT 3
305 /* Different types of result to remember for each game */
306 #define CMAIL_NOT_RESULT 0
307 #define CMAIL_OLD_RESULT 1
308 #define CMAIL_NEW_RESULT 2
310 /* Telnet protocol constants */
321 safeStrCpy (char *dst, const char *src, size_t count)
324 assert( dst != NULL );
325 assert( src != NULL );
328 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
329 if( i == count && dst[count-1] != NULLCHAR)
331 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
332 if(appData.debugMode)
333 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
339 /* Some compiler can't cast u64 to double
340 * This function do the job for us:
342 * We use the highest bit for cast, this only
343 * works if the highest bit is not
344 * in use (This should not happen)
346 * We used this for all compiler
349 u64ToDouble (u64 value)
352 u64 tmp = value & u64Const(0x7fffffffffffffff);
353 r = (double)(s64)tmp;
354 if (value & u64Const(0x8000000000000000))
355 r += 9.2233720368547758080e18; /* 2^63 */
359 /* Fake up flags for now, as we aren't keeping track of castling
360 availability yet. [HGM] Change of logic: the flag now only
361 indicates the type of castlings allowed by the rule of the game.
362 The actual rights themselves are maintained in the array
363 castlingRights, as part of the game history, and are not probed
369 int flags = F_ALL_CASTLE_OK;
370 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
371 switch (gameInfo.variant) {
373 flags &= ~F_ALL_CASTLE_OK;
374 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
375 flags |= F_IGNORE_CHECK;
377 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
380 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
382 case VariantKriegspiel:
383 flags |= F_KRIEGSPIEL_CAPTURE;
385 case VariantCapaRandom:
386 case VariantFischeRandom:
387 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
388 case VariantNoCastle:
389 case VariantShatranj:
394 flags &= ~F_ALL_CASTLE_OK;
402 FILE *gameFileFP, *debugFP, *serverFP;
403 char *currentDebugFile; // [HGM] debug split: to remember name
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 enum ICS_TYPE ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey, controlKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE, startingEngine = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
562 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
563 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
564 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackMan, BlackFerz,
566 BlackKing, BlackMan, BlackKnight, BlackRook }
570 #if (BOARD_FILES>=10)
571 ChessSquare ShogiArray[2][BOARD_FILES] = {
572 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
573 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
574 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
575 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
578 ChessSquare XiangqiArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
580 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
582 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare CapablancaArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
587 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
589 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
592 ChessSquare GreatArray[2][BOARD_FILES] = {
593 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
594 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
595 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
596 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
599 ChessSquare JanusArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
601 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
602 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
603 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
606 ChessSquare GrandArray[2][BOARD_FILES] = {
607 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
608 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
609 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
610 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
614 ChessSquare GothicArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
616 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
618 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
621 #define GothicArray CapablancaArray
625 ChessSquare FalconArray[2][BOARD_FILES] = {
626 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
627 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
628 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
629 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
632 #define FalconArray CapablancaArray
635 #else // !(BOARD_FILES>=10)
636 #define XiangqiPosition FIDEArray
637 #define CapablancaArray FIDEArray
638 #define GothicArray FIDEArray
639 #define GreatArray FIDEArray
640 #endif // !(BOARD_FILES>=10)
642 #if (BOARD_FILES>=12)
643 ChessSquare CourierArray[2][BOARD_FILES] = {
644 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
645 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
646 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
647 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
649 #else // !(BOARD_FILES>=12)
650 #define CourierArray CapablancaArray
651 #endif // !(BOARD_FILES>=12)
654 Board initialPosition;
657 /* Convert str to a rating. Checks for special cases of "----",
659 "++++", etc. Also strips ()'s */
661 string_to_rating (char *str)
663 while(*str && !isdigit(*str)) ++str;
665 return 0; /* One of the special "no rating" cases */
673 /* Init programStats */
674 programStats.movelist[0] = 0;
675 programStats.depth = 0;
676 programStats.nr_moves = 0;
677 programStats.moves_left = 0;
678 programStats.nodes = 0;
679 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
680 programStats.score = 0;
681 programStats.got_only_move = 0;
682 programStats.got_fail = 0;
683 programStats.line_is_book = 0;
688 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
689 if (appData.firstPlaysBlack) {
690 first.twoMachinesColor = "black\n";
691 second.twoMachinesColor = "white\n";
693 first.twoMachinesColor = "white\n";
694 second.twoMachinesColor = "black\n";
697 first.other = &second;
698 second.other = &first;
701 if(appData.timeOddsMode) {
702 norm = appData.timeOdds[0];
703 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
705 first.timeOdds = appData.timeOdds[0]/norm;
706 second.timeOdds = appData.timeOdds[1]/norm;
709 if(programVersion) free(programVersion);
710 if (appData.noChessProgram) {
711 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
712 sprintf(programVersion, "%s", PACKAGE_STRING);
714 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
715 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
716 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
721 UnloadEngine (ChessProgramState *cps)
723 /* Kill off first chess program */
724 if (cps->isr != NULL)
725 RemoveInputSource(cps->isr);
728 if (cps->pr != NoProc) {
730 DoSleep( appData.delayBeforeQuit );
731 SendToProgram("quit\n", cps);
732 DoSleep( appData.delayAfterQuit );
733 DestroyChildProcess(cps->pr, cps->useSigterm);
736 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
740 ClearOptions (ChessProgramState *cps)
743 cps->nrOptions = cps->comboCnt = 0;
744 for(i=0; i<MAX_OPTIONS; i++) {
745 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
746 cps->option[i].textValue = 0;
750 char *engineNames[] = {
751 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
752 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
754 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
755 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
760 InitEngine (ChessProgramState *cps, int n)
761 { // [HGM] all engine initialiation put in a function that does one engine
765 cps->which = engineNames[n];
766 cps->maybeThinking = FALSE;
770 cps->sendDrawOffers = 1;
772 cps->program = appData.chessProgram[n];
773 cps->host = appData.host[n];
774 cps->dir = appData.directory[n];
775 cps->initString = appData.engInitString[n];
776 cps->computerString = appData.computerString[n];
777 cps->useSigint = TRUE;
778 cps->useSigterm = TRUE;
779 cps->reuse = appData.reuse[n];
780 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
781 cps->useSetboard = FALSE;
783 cps->usePing = FALSE;
786 cps->usePlayother = FALSE;
787 cps->useColors = TRUE;
788 cps->useUsermove = FALSE;
789 cps->sendICS = FALSE;
790 cps->sendName = appData.icsActive;
791 cps->sdKludge = FALSE;
792 cps->stKludge = FALSE;
793 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
794 TidyProgramName(cps->program, cps->host, cps->tidy);
796 ASSIGN(cps->variants, appData.variant);
797 cps->analysisSupport = 2; /* detect */
798 cps->analyzing = FALSE;
799 cps->initDone = FALSE;
802 /* New features added by Tord: */
803 cps->useFEN960 = FALSE;
804 cps->useOOCastle = TRUE;
805 /* End of new features added by Tord. */
806 cps->fenOverride = appData.fenOverride[n];
808 /* [HGM] time odds: set factor for each machine */
809 cps->timeOdds = appData.timeOdds[n];
811 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
812 cps->accumulateTC = appData.accumulateTC[n];
813 cps->maxNrOfSessions = 1;
818 cps->supportsNPS = UNKNOWN;
819 cps->memSize = FALSE;
820 cps->maxCores = FALSE;
821 ASSIGN(cps->egtFormats, "");
824 cps->optionSettings = appData.engOptions[n];
826 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
827 cps->isUCI = appData.isUCI[n]; /* [AS] */
828 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
831 if (appData.protocolVersion[n] > PROTOVER
832 || appData.protocolVersion[n] < 1)
837 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
838 appData.protocolVersion[n]);
839 if( (len >= MSG_SIZ) && appData.debugMode )
840 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
842 DisplayFatalError(buf, 0, 2);
846 cps->protocolVersion = appData.protocolVersion[n];
849 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
850 ParseFeatures(appData.featureDefaults, cps);
853 ChessProgramState *savCps;
861 if(WaitForEngine(savCps, LoadEngine)) return;
862 CommonEngineInit(); // recalculate time odds
863 if(gameInfo.variant != StringToVariant(appData.variant)) {
864 // we changed variant when loading the engine; this forces us to reset
865 Reset(TRUE, savCps != &first);
866 oldMode = BeginningOfGame; // to prevent restoring old mode
868 InitChessProgram(savCps, FALSE);
869 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
870 DisplayMessage("", "");
871 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
872 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
875 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
879 ReplaceEngine (ChessProgramState *cps, int n)
881 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
883 if(oldMode != BeginningOfGame) EditGameEvent();
886 appData.noChessProgram = FALSE;
887 appData.clockMode = TRUE;
890 if(n) return; // only startup first engine immediately; second can wait
891 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
895 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
896 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
898 static char resetOptions[] =
899 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
900 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
901 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
902 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
905 FloatToFront(char **list, char *engineLine)
907 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
909 if(appData.recentEngines <= 0) return;
910 TidyProgramName(engineLine, "localhost", tidy+1);
911 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
912 strncpy(buf+1, *list, MSG_SIZ-50);
913 if(p = strstr(buf, tidy)) { // tidy name appears in list
914 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
915 while(*p++ = *++q); // squeeze out
917 strcat(tidy, buf+1); // put list behind tidy name
918 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
919 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
920 ASSIGN(*list, tidy+1);
923 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
926 Load (ChessProgramState *cps, int i)
928 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
929 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
930 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
931 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
932 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
933 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
934 appData.firstProtocolVersion = PROTOVER;
935 ParseArgsFromString(buf);
937 ReplaceEngine(cps, i);
938 FloatToFront(&appData.recentEngineList, engineLine);
942 while(q = strchr(p, SLASH)) p = q+1;
943 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
944 if(engineDir[0] != NULLCHAR) {
945 ASSIGN(appData.directory[i], engineDir); p = engineName;
946 } else if(p != engineName) { // derive directory from engine path, when not given
948 ASSIGN(appData.directory[i], engineName);
950 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
951 } else { ASSIGN(appData.directory[i], "."); }
953 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
954 snprintf(command, MSG_SIZ, "%s %s", p, params);
957 ASSIGN(appData.chessProgram[i], p);
958 appData.isUCI[i] = isUCI;
959 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
960 appData.hasOwnBookUCI[i] = hasBook;
961 if(!nickName[0]) useNick = FALSE;
962 if(useNick) ASSIGN(appData.pgnName[i], nickName);
966 q = firstChessProgramNames;
967 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
968 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
969 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
970 quote, p, quote, appData.directory[i],
971 useNick ? " -fn \"" : "",
972 useNick ? nickName : "",
974 v1 ? " -firstProtocolVersion 1" : "",
975 hasBook ? "" : " -fNoOwnBookUCI",
976 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
977 storeVariant ? " -variant " : "",
978 storeVariant ? VariantName(gameInfo.variant) : "");
979 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
980 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
981 if(insert != q) insert[-1] = NULLCHAR;
982 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
984 FloatToFront(&appData.recentEngineList, buf);
986 ReplaceEngine(cps, i);
992 int matched, min, sec;
994 * Parse timeControl resource
996 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
997 appData.movesPerSession)) {
999 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1000 DisplayFatalError(buf, 0, 2);
1004 * Parse searchTime resource
1006 if (*appData.searchTime != NULLCHAR) {
1007 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1009 searchTime = min * 60;
1010 } else if (matched == 2) {
1011 searchTime = min * 60 + sec;
1014 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1015 DisplayFatalError(buf, 0, 2);
1024 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1025 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1027 GetTimeMark(&programStartTime);
1028 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1029 appData.seedBase = random() + (random()<<15);
1030 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1032 ClearProgramStats();
1033 programStats.ok_to_send = 1;
1034 programStats.seen_stat = 0;
1037 * Initialize game list
1043 * Internet chess server status
1045 if (appData.icsActive) {
1046 appData.matchMode = FALSE;
1047 appData.matchGames = 0;
1049 appData.noChessProgram = !appData.zippyPlay;
1051 appData.zippyPlay = FALSE;
1052 appData.zippyTalk = FALSE;
1053 appData.noChessProgram = TRUE;
1055 if (*appData.icsHelper != NULLCHAR) {
1056 appData.useTelnet = TRUE;
1057 appData.telnetProgram = appData.icsHelper;
1060 appData.zippyTalk = appData.zippyPlay = FALSE;
1063 /* [AS] Initialize pv info list [HGM] and game state */
1067 for( i=0; i<=framePtr; i++ ) {
1068 pvInfoList[i].depth = -1;
1069 boards[i][EP_STATUS] = EP_NONE;
1070 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1076 /* [AS] Adjudication threshold */
1077 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1079 InitEngine(&first, 0);
1080 InitEngine(&second, 1);
1083 pairing.which = "pairing"; // pairing engine
1084 pairing.pr = NoProc;
1086 pairing.program = appData.pairingEngine;
1087 pairing.host = "localhost";
1090 if (appData.icsActive) {
1091 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1092 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1093 appData.clockMode = FALSE;
1094 first.sendTime = second.sendTime = 0;
1098 /* Override some settings from environment variables, for backward
1099 compatibility. Unfortunately it's not feasible to have the env
1100 vars just set defaults, at least in xboard. Ugh.
1102 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1107 if (!appData.icsActive) {
1111 /* Check for variants that are supported only in ICS mode,
1112 or not at all. Some that are accepted here nevertheless
1113 have bugs; see comments below.
1115 VariantClass variant = StringToVariant(appData.variant);
1117 case VariantBughouse: /* need four players and two boards */
1118 case VariantKriegspiel: /* need to hide pieces and move details */
1119 /* case VariantFischeRandom: (Fabien: moved below) */
1120 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1121 if( (len >= MSG_SIZ) && appData.debugMode )
1122 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1124 DisplayFatalError(buf, 0, 2);
1127 case VariantUnknown:
1128 case VariantLoadable:
1138 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1139 if( (len >= MSG_SIZ) && appData.debugMode )
1140 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1142 DisplayFatalError(buf, 0, 2);
1145 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1146 case VariantFairy: /* [HGM] TestLegality definitely off! */
1147 case VariantGothic: /* [HGM] should work */
1148 case VariantCapablanca: /* [HGM] should work */
1149 case VariantCourier: /* [HGM] initial forced moves not implemented */
1150 case VariantShogi: /* [HGM] could still mate with pawn drop */
1151 case VariantKnightmate: /* [HGM] should work */
1152 case VariantCylinder: /* [HGM] untested */
1153 case VariantFalcon: /* [HGM] untested */
1154 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1155 offboard interposition not understood */
1156 case VariantNormal: /* definitely works! */
1157 case VariantWildCastle: /* pieces not automatically shuffled */
1158 case VariantNoCastle: /* pieces not automatically shuffled */
1159 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1160 case VariantLosers: /* should work except for win condition,
1161 and doesn't know captures are mandatory */
1162 case VariantSuicide: /* should work except for win condition,
1163 and doesn't know captures are mandatory */
1164 case VariantGiveaway: /* should work except for win condition,
1165 and doesn't know captures are mandatory */
1166 case VariantTwoKings: /* should work */
1167 case VariantAtomic: /* should work except for win condition */
1168 case Variant3Check: /* should work except for win condition */
1169 case VariantShatranj: /* should work except for all win conditions */
1170 case VariantMakruk: /* should work except for draw countdown */
1171 case VariantASEAN : /* should work except for draw countdown */
1172 case VariantBerolina: /* might work if TestLegality is off */
1173 case VariantCapaRandom: /* should work */
1174 case VariantJanus: /* should work */
1175 case VariantSuper: /* experimental */
1176 case VariantGreat: /* experimental, requires legality testing to be off */
1177 case VariantSChess: /* S-Chess, should work */
1178 case VariantGrand: /* should work */
1179 case VariantSpartan: /* should work */
1187 NextIntegerFromString (char ** str, long * value)
1192 while( *s == ' ' || *s == '\t' ) {
1198 if( *s >= '0' && *s <= '9' ) {
1199 while( *s >= '0' && *s <= '9' ) {
1200 *value = *value * 10 + (*s - '0');
1213 NextTimeControlFromString (char ** str, long * value)
1216 int result = NextIntegerFromString( str, &temp );
1219 *value = temp * 60; /* Minutes */
1220 if( **str == ':' ) {
1222 result = NextIntegerFromString( str, &temp );
1223 *value += temp; /* Seconds */
1231 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1232 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1233 int result = -1, type = 0; long temp, temp2;
1235 if(**str != ':') return -1; // old params remain in force!
1237 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1238 if( NextIntegerFromString( str, &temp ) ) return -1;
1239 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1242 /* time only: incremental or sudden-death time control */
1243 if(**str == '+') { /* increment follows; read it */
1245 if(**str == '!') type = *(*str)++; // Bronstein TC
1246 if(result = NextIntegerFromString( str, &temp2)) return -1;
1247 *inc = temp2 * 1000;
1248 if(**str == '.') { // read fraction of increment
1249 char *start = ++(*str);
1250 if(result = NextIntegerFromString( str, &temp2)) return -1;
1252 while(start++ < *str) temp2 /= 10;
1256 *moves = 0; *tc = temp * 1000; *incType = type;
1260 (*str)++; /* classical time control */
1261 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1273 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1274 { /* [HGM] get time to add from the multi-session time-control string */
1275 int incType, moves=1; /* kludge to force reading of first session */
1276 long time, increment;
1279 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1281 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1282 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1283 if(movenr == -1) return time; /* last move before new session */
1284 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1285 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1286 if(!moves) return increment; /* current session is incremental */
1287 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1288 } while(movenr >= -1); /* try again for next session */
1290 return 0; // no new time quota on this move
1294 ParseTimeControl (char *tc, float ti, int mps)
1298 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1301 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1302 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1303 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1307 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1309 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1312 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1314 snprintf(buf, MSG_SIZ, ":%s", mytc);
1316 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1318 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1323 /* Parse second time control */
1326 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1334 timeControl_2 = tc2 * 1000;
1344 timeControl = tc1 * 1000;
1347 timeIncrement = ti * 1000; /* convert to ms */
1348 movesPerSession = 0;
1351 movesPerSession = mps;
1359 if (appData.debugMode) {
1360 # ifdef __GIT_VERSION
1361 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1363 fprintf(debugFP, "Version: %s\n", programVersion);
1366 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1368 set_cont_sequence(appData.wrapContSeq);
1369 if (appData.matchGames > 0) {
1370 appData.matchMode = TRUE;
1371 } else if (appData.matchMode) {
1372 appData.matchGames = 1;
1374 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1375 appData.matchGames = appData.sameColorGames;
1376 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1377 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1378 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1381 if (appData.noChessProgram || first.protocolVersion == 1) {
1384 /* kludge: allow timeout for initial "feature" commands */
1386 DisplayMessage("", _("Starting chess program"));
1387 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1392 CalculateIndex (int index, int gameNr)
1393 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1395 if(index > 0) return index; // fixed nmber
1396 if(index == 0) return 1;
1397 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1398 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1403 LoadGameOrPosition (int gameNr)
1404 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1405 if (*appData.loadGameFile != NULLCHAR) {
1406 if (!LoadGameFromFile(appData.loadGameFile,
1407 CalculateIndex(appData.loadGameIndex, gameNr),
1408 appData.loadGameFile, FALSE)) {
1409 DisplayFatalError(_("Bad game file"), 0, 1);
1412 } else if (*appData.loadPositionFile != NULLCHAR) {
1413 if (!LoadPositionFromFile(appData.loadPositionFile,
1414 CalculateIndex(appData.loadPositionIndex, gameNr),
1415 appData.loadPositionFile)) {
1416 DisplayFatalError(_("Bad position file"), 0, 1);
1424 ReserveGame (int gameNr, char resChar)
1426 FILE *tf = fopen(appData.tourneyFile, "r+");
1427 char *p, *q, c, buf[MSG_SIZ];
1428 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1429 safeStrCpy(buf, lastMsg, MSG_SIZ);
1430 DisplayMessage(_("Pick new game"), "");
1431 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1432 ParseArgsFromFile(tf);
1433 p = q = appData.results;
1434 if(appData.debugMode) {
1435 char *r = appData.participants;
1436 fprintf(debugFP, "results = '%s'\n", p);
1437 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1438 fprintf(debugFP, "\n");
1440 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1442 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1443 safeStrCpy(q, p, strlen(p) + 2);
1444 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1445 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1446 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1447 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1450 fseek(tf, -(strlen(p)+4), SEEK_END);
1452 if(c != '"') // depending on DOS or Unix line endings we can be one off
1453 fseek(tf, -(strlen(p)+2), SEEK_END);
1454 else fseek(tf, -(strlen(p)+3), SEEK_END);
1455 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1456 DisplayMessage(buf, "");
1457 free(p); appData.results = q;
1458 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1459 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1460 int round = appData.defaultMatchGames * appData.tourneyType;
1461 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1462 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1463 UnloadEngine(&first); // next game belongs to other pairing;
1464 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1466 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1470 MatchEvent (int mode)
1471 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1473 if(matchMode) { // already in match mode: switch it off
1475 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1478 // if(gameMode != BeginningOfGame) {
1479 // DisplayError(_("You can only start a match from the initial position."), 0);
1483 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1484 /* Set up machine vs. machine match */
1486 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1487 if(appData.tourneyFile[0]) {
1489 if(nextGame > appData.matchGames) {
1491 if(strchr(appData.results, '*') == NULL) {
1493 appData.tourneyCycles++;
1494 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1496 NextTourneyGame(-1, &dummy);
1498 if(nextGame <= appData.matchGames) {
1499 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1501 ScheduleDelayedEvent(NextMatchGame, 10000);
1506 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1507 DisplayError(buf, 0);
1508 appData.tourneyFile[0] = 0;
1512 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1513 DisplayFatalError(_("Can't have a match with no chess programs"),
1518 matchGame = roundNr = 1;
1519 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1523 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1526 InitBackEnd3 P((void))
1528 GameMode initialMode;
1532 InitChessProgram(&first, startedFromSetupPosition);
1534 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1535 free(programVersion);
1536 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1537 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1538 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1541 if (appData.icsActive) {
1543 /* [DM] Make a console window if needed [HGM] merged ifs */
1549 if (*appData.icsCommPort != NULLCHAR)
1550 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1551 appData.icsCommPort);
1553 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1554 appData.icsHost, appData.icsPort);
1556 if( (len >= MSG_SIZ) && appData.debugMode )
1557 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1559 DisplayFatalError(buf, err, 1);
1564 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1566 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1567 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1568 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1569 } else if (appData.noChessProgram) {
1575 if (*appData.cmailGameName != NULLCHAR) {
1577 OpenLoopback(&cmailPR);
1579 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1583 DisplayMessage("", "");
1584 if (StrCaseCmp(appData.initialMode, "") == 0) {
1585 initialMode = BeginningOfGame;
1586 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1587 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1588 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1589 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1592 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1593 initialMode = TwoMachinesPlay;
1594 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1595 initialMode = AnalyzeFile;
1596 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1597 initialMode = AnalyzeMode;
1598 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1599 initialMode = MachinePlaysWhite;
1600 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1601 initialMode = MachinePlaysBlack;
1602 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1603 initialMode = EditGame;
1604 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1605 initialMode = EditPosition;
1606 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1607 initialMode = Training;
1609 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1610 if( (len >= MSG_SIZ) && appData.debugMode )
1611 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1613 DisplayFatalError(buf, 0, 2);
1617 if (appData.matchMode) {
1618 if(appData.tourneyFile[0]) { // start tourney from command line
1620 if(f = fopen(appData.tourneyFile, "r")) {
1621 ParseArgsFromFile(f); // make sure tourney parmeters re known
1623 appData.clockMode = TRUE;
1625 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1628 } else if (*appData.cmailGameName != NULLCHAR) {
1629 /* Set up cmail mode */
1630 ReloadCmailMsgEvent(TRUE);
1632 /* Set up other modes */
1633 if (initialMode == AnalyzeFile) {
1634 if (*appData.loadGameFile == NULLCHAR) {
1635 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1639 if (*appData.loadGameFile != NULLCHAR) {
1640 (void) LoadGameFromFile(appData.loadGameFile,
1641 appData.loadGameIndex,
1642 appData.loadGameFile, TRUE);
1643 } else if (*appData.loadPositionFile != NULLCHAR) {
1644 (void) LoadPositionFromFile(appData.loadPositionFile,
1645 appData.loadPositionIndex,
1646 appData.loadPositionFile);
1647 /* [HGM] try to make self-starting even after FEN load */
1648 /* to allow automatic setup of fairy variants with wtm */
1649 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1650 gameMode = BeginningOfGame;
1651 setboardSpoiledMachineBlack = 1;
1653 /* [HGM] loadPos: make that every new game uses the setup */
1654 /* from file as long as we do not switch variant */
1655 if(!blackPlaysFirst) {
1656 startedFromPositionFile = TRUE;
1657 CopyBoard(filePosition, boards[0]);
1660 if (initialMode == AnalyzeMode) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1665 if (appData.icsActive) {
1666 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1670 } else if (initialMode == AnalyzeFile) {
1671 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1672 ShowThinkingEvent();
1674 AnalysisPeriodicEvent(1);
1675 } else if (initialMode == MachinePlaysWhite) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1686 MachineWhiteEvent();
1687 } else if (initialMode == MachinePlaysBlack) {
1688 if (appData.noChessProgram) {
1689 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1693 if (appData.icsActive) {
1694 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1698 MachineBlackEvent();
1699 } else if (initialMode == TwoMachinesPlay) {
1700 if (appData.noChessProgram) {
1701 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1705 if (appData.icsActive) {
1706 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1711 } else if (initialMode == EditGame) {
1713 } else if (initialMode == EditPosition) {
1714 EditPositionEvent();
1715 } else if (initialMode == Training) {
1716 if (*appData.loadGameFile == NULLCHAR) {
1717 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1726 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1728 DisplayBook(current+1);
1730 MoveHistorySet( movelist, first, last, current, pvInfoList );
1732 EvalGraphSet( first, last, current, pvInfoList );
1734 MakeEngineOutputTitle();
1738 * Establish will establish a contact to a remote host.port.
1739 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1740 * used to talk to the host.
1741 * Returns 0 if okay, error code if not.
1748 if (*appData.icsCommPort != NULLCHAR) {
1749 /* Talk to the host through a serial comm port */
1750 return OpenCommPort(appData.icsCommPort, &icsPR);
1752 } else if (*appData.gateway != NULLCHAR) {
1753 if (*appData.remoteShell == NULLCHAR) {
1754 /* Use the rcmd protocol to run telnet program on a gateway host */
1755 snprintf(buf, sizeof(buf), "%s %s %s",
1756 appData.telnetProgram, appData.icsHost, appData.icsPort);
1757 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1760 /* Use the rsh program to run telnet program on a gateway host */
1761 if (*appData.remoteUser == NULLCHAR) {
1762 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1763 appData.gateway, appData.telnetProgram,
1764 appData.icsHost, appData.icsPort);
1766 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1767 appData.remoteShell, appData.gateway,
1768 appData.remoteUser, appData.telnetProgram,
1769 appData.icsHost, appData.icsPort);
1771 return StartChildProcess(buf, "", &icsPR);
1774 } else if (appData.useTelnet) {
1775 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1778 /* TCP socket interface differs somewhat between
1779 Unix and NT; handle details in the front end.
1781 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1786 EscapeExpand (char *p, char *q)
1787 { // [HGM] initstring: routine to shape up string arguments
1788 while(*p++ = *q++) if(p[-1] == '\\')
1790 case 'n': p[-1] = '\n'; break;
1791 case 'r': p[-1] = '\r'; break;
1792 case 't': p[-1] = '\t'; break;
1793 case '\\': p[-1] = '\\'; break;
1794 case 0: *p = 0; return;
1795 default: p[-1] = q[-1]; break;
1800 show_bytes (FILE *fp, char *buf, int count)
1803 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1804 fprintf(fp, "\\%03o", *buf & 0xff);
1813 /* Returns an errno value */
1815 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1817 char buf[8192], *p, *q, *buflim;
1818 int left, newcount, outcount;
1820 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1821 *appData.gateway != NULLCHAR) {
1822 if (appData.debugMode) {
1823 fprintf(debugFP, ">ICS: ");
1824 show_bytes(debugFP, message, count);
1825 fprintf(debugFP, "\n");
1827 return OutputToProcess(pr, message, count, outError);
1830 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1837 if (appData.debugMode) {
1838 fprintf(debugFP, ">ICS: ");
1839 show_bytes(debugFP, buf, newcount);
1840 fprintf(debugFP, "\n");
1842 outcount = OutputToProcess(pr, buf, newcount, outError);
1843 if (outcount < newcount) return -1; /* to be sure */
1850 } else if (((unsigned char) *p) == TN_IAC) {
1851 *q++ = (char) TN_IAC;
1858 if (appData.debugMode) {
1859 fprintf(debugFP, ">ICS: ");
1860 show_bytes(debugFP, buf, newcount);
1861 fprintf(debugFP, "\n");
1863 outcount = OutputToProcess(pr, buf, newcount, outError);
1864 if (outcount < newcount) return -1; /* to be sure */
1869 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1871 int outError, outCount;
1872 static int gotEof = 0;
1875 /* Pass data read from player on to ICS */
1878 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1879 if (outCount < count) {
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1882 if(have_sent_ICS_logon == 2) {
1883 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1884 fprintf(ini, "%s", message);
1885 have_sent_ICS_logon = 3;
1887 have_sent_ICS_logon = 1;
1888 } else if(have_sent_ICS_logon == 3) {
1889 fprintf(ini, "%s", message);
1891 have_sent_ICS_logon = 1;
1893 } else if (count < 0) {
1894 RemoveInputSource(isr);
1895 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1896 } else if (gotEof++ > 0) {
1897 RemoveInputSource(isr);
1898 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1904 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1905 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1906 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1907 SendToICS("date\n");
1908 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1911 /* added routine for printf style output to ics */
1913 ics_printf (char *format, ...)
1915 char buffer[MSG_SIZ];
1918 va_start(args, format);
1919 vsnprintf(buffer, sizeof(buffer), format, args);
1920 buffer[sizeof(buffer)-1] = '\0';
1928 int count, outCount, outError;
1930 if (icsPR == NoProc) return;
1933 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1934 if (outCount < count) {
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* This is used for sending logon scripts to the ICS. Sending
1940 without a delay causes problems when using timestamp on ICC
1941 (at least on my machine). */
1943 SendToICSDelayed (char *s, long msdelay)
1945 int count, outCount, outError;
1947 if (icsPR == NoProc) return;
1950 if (appData.debugMode) {
1951 fprintf(debugFP, ">ICS: ");
1952 show_bytes(debugFP, s, count);
1953 fprintf(debugFP, "\n");
1955 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1957 if (outCount < count) {
1958 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1963 /* Remove all highlighting escape sequences in s
1964 Also deletes any suffix starting with '('
1967 StripHighlightAndTitle (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1978 if (*s == '(' || *s == '[') {
1989 /* Remove all highlighting escape sequences in s */
1991 StripHighlight (char *s)
1993 static char retbuf[MSG_SIZ];
1996 while (*s != NULLCHAR) {
1997 while (*s == '\033') {
1998 while (*s != NULLCHAR && !isalpha(*s)) s++;
1999 if (*s != NULLCHAR) s++;
2001 while (*s != NULLCHAR && *s != '\033') {
2009 char *variantNames[] = VARIANT_NAMES;
2011 VariantName (VariantClass v)
2013 return variantNames[v];
2017 /* Identify a variant from the strings the chess servers use or the
2018 PGN Variant tag names we use. */
2020 StringToVariant (char *e)
2024 VariantClass v = VariantNormal;
2025 int i, found = FALSE;
2031 /* [HGM] skip over optional board-size prefixes */
2032 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2033 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2034 while( *e++ != '_');
2037 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2041 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2042 if (StrCaseStr(e, variantNames[i])) {
2043 v = (VariantClass) i;
2050 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2051 || StrCaseStr(e, "wild/fr")
2052 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2053 v = VariantFischeRandom;
2054 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2055 (i = 1, p = StrCaseStr(e, "w"))) {
2057 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2064 case 0: /* FICS only, actually */
2066 /* Castling legal even if K starts on d-file */
2067 v = VariantWildCastle;
2072 /* Castling illegal even if K & R happen to start in
2073 normal positions. */
2074 v = VariantNoCastle;
2087 /* Castling legal iff K & R start in normal positions */
2093 /* Special wilds for position setup; unclear what to do here */
2094 v = VariantLoadable;
2097 /* Bizarre ICC game */
2098 v = VariantTwoKings;
2101 v = VariantKriegspiel;
2107 v = VariantFischeRandom;
2110 v = VariantCrazyhouse;
2113 v = VariantBughouse;
2119 /* Not quite the same as FICS suicide! */
2120 v = VariantGiveaway;
2126 v = VariantShatranj;
2129 /* Temporary names for future ICC types. The name *will* change in
2130 the next xboard/WinBoard release after ICC defines it. */
2168 v = VariantCapablanca;
2171 v = VariantKnightmate;
2177 v = VariantCylinder;
2183 v = VariantCapaRandom;
2186 v = VariantBerolina;
2198 /* Found "wild" or "w" in the string but no number;
2199 must assume it's normal chess. */
2203 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2204 if( (len >= MSG_SIZ) && appData.debugMode )
2205 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2207 DisplayError(buf, 0);
2213 if (appData.debugMode) {
2214 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2215 e, wnum, VariantName(v));
2220 static int leftover_start = 0, leftover_len = 0;
2221 char star_match[STAR_MATCH_N][MSG_SIZ];
2223 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2224 advance *index beyond it, and set leftover_start to the new value of
2225 *index; else return FALSE. If pattern contains the character '*', it
2226 matches any sequence of characters not containing '\r', '\n', or the
2227 character following the '*' (if any), and the matched sequence(s) are
2228 copied into star_match.
2231 looking_at ( char *buf, int *index, char *pattern)
2233 char *bufp = &buf[*index], *patternp = pattern;
2235 char *matchp = star_match[0];
2238 if (*patternp == NULLCHAR) {
2239 *index = leftover_start = bufp - buf;
2243 if (*bufp == NULLCHAR) return FALSE;
2244 if (*patternp == '*') {
2245 if (*bufp == *(patternp + 1)) {
2247 matchp = star_match[++star_count];
2251 } else if (*bufp == '\n' || *bufp == '\r') {
2253 if (*patternp == NULLCHAR)
2258 *matchp++ = *bufp++;
2262 if (*patternp != *bufp) return FALSE;
2269 SendToPlayer (char *data, int length)
2271 int error, outCount;
2272 outCount = OutputToProcess(NoProc, data, length, &error);
2273 if (outCount < length) {
2274 DisplayFatalError(_("Error writing to display"), error, 1);
2279 PackHolding (char packed[], char *holding)
2289 switch (runlength) {
2300 sprintf(q, "%d", runlength);
2312 /* Telnet protocol requests from the front end */
2314 TelnetRequest (unsigned char ddww, unsigned char option)
2316 unsigned char msg[3];
2317 int outCount, outError;
2319 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2321 if (appData.debugMode) {
2322 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2338 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2347 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2350 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2355 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2357 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2364 if (!appData.icsActive) return;
2365 TelnetRequest(TN_DO, TN_ECHO);
2371 if (!appData.icsActive) return;
2372 TelnetRequest(TN_DONT, TN_ECHO);
2376 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2378 /* put the holdings sent to us by the server on the board holdings area */
2379 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2383 if(gameInfo.holdingsWidth < 2) return;
2384 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2385 return; // prevent overwriting by pre-board holdings
2387 if( (int)lowestPiece >= BlackPawn ) {
2390 holdingsStartRow = BOARD_HEIGHT-1;
2393 holdingsColumn = BOARD_WIDTH-1;
2394 countsColumn = BOARD_WIDTH-2;
2395 holdingsStartRow = 0;
2399 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2400 board[i][holdingsColumn] = EmptySquare;
2401 board[i][countsColumn] = (ChessSquare) 0;
2403 while( (p=*holdings++) != NULLCHAR ) {
2404 piece = CharToPiece( ToUpper(p) );
2405 if(piece == EmptySquare) continue;
2406 /*j = (int) piece - (int) WhitePawn;*/
2407 j = PieceToNumber(piece);
2408 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2409 if(j < 0) continue; /* should not happen */
2410 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2411 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2412 board[holdingsStartRow+j*direction][countsColumn]++;
2418 VariantSwitch (Board board, VariantClass newVariant)
2420 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2421 static Board oldBoard;
2423 startedFromPositionFile = FALSE;
2424 if(gameInfo.variant == newVariant) return;
2426 /* [HGM] This routine is called each time an assignment is made to
2427 * gameInfo.variant during a game, to make sure the board sizes
2428 * are set to match the new variant. If that means adding or deleting
2429 * holdings, we shift the playing board accordingly
2430 * This kludge is needed because in ICS observe mode, we get boards
2431 * of an ongoing game without knowing the variant, and learn about the
2432 * latter only later. This can be because of the move list we requested,
2433 * in which case the game history is refilled from the beginning anyway,
2434 * but also when receiving holdings of a crazyhouse game. In the latter
2435 * case we want to add those holdings to the already received position.
2439 if (appData.debugMode) {
2440 fprintf(debugFP, "Switch board from %s to %s\n",
2441 VariantName(gameInfo.variant), VariantName(newVariant));
2442 setbuf(debugFP, NULL);
2444 shuffleOpenings = 0; /* [HGM] shuffle */
2445 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2449 newWidth = 9; newHeight = 9;
2450 gameInfo.holdingsSize = 7;
2451 case VariantBughouse:
2452 case VariantCrazyhouse:
2453 newHoldingsWidth = 2; break;
2457 newHoldingsWidth = 2;
2458 gameInfo.holdingsSize = 8;
2461 case VariantCapablanca:
2462 case VariantCapaRandom:
2465 newHoldingsWidth = gameInfo.holdingsSize = 0;
2468 if(newWidth != gameInfo.boardWidth ||
2469 newHeight != gameInfo.boardHeight ||
2470 newHoldingsWidth != gameInfo.holdingsWidth ) {
2472 /* shift position to new playing area, if needed */
2473 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2474 for(i=0; i<BOARD_HEIGHT; i++)
2475 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2476 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2478 for(i=0; i<newHeight; i++) {
2479 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2480 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2482 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2483 for(i=0; i<BOARD_HEIGHT; i++)
2484 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2485 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2488 board[HOLDINGS_SET] = 0;
2489 gameInfo.boardWidth = newWidth;
2490 gameInfo.boardHeight = newHeight;
2491 gameInfo.holdingsWidth = newHoldingsWidth;
2492 gameInfo.variant = newVariant;
2493 InitDrawingSizes(-2, 0);
2494 } else gameInfo.variant = newVariant;
2495 CopyBoard(oldBoard, board); // remember correctly formatted board
2496 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2497 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2500 static int loggedOn = FALSE;
2502 /*-- Game start info cache: --*/
2504 char gs_kind[MSG_SIZ];
2505 static char player1Name[128] = "";
2506 static char player2Name[128] = "";
2507 static char cont_seq[] = "\n\\ ";
2508 static int player1Rating = -1;
2509 static int player2Rating = -1;
2510 /*----------------------------*/
2512 ColorClass curColor = ColorNormal;
2513 int suppressKibitz = 0;
2516 Boolean soughtPending = FALSE;
2517 Boolean seekGraphUp;
2518 #define MAX_SEEK_ADS 200
2520 char *seekAdList[MAX_SEEK_ADS];
2521 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2522 float tcList[MAX_SEEK_ADS];
2523 char colorList[MAX_SEEK_ADS];
2524 int nrOfSeekAds = 0;
2525 int minRating = 1010, maxRating = 2800;
2526 int hMargin = 10, vMargin = 20, h, w;
2527 extern int squareSize, lineGap;
2532 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2533 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2534 if(r < minRating+100 && r >=0 ) r = minRating+100;
2535 if(r > maxRating) r = maxRating;
2536 if(tc < 1.f) tc = 1.f;
2537 if(tc > 95.f) tc = 95.f;
2538 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2539 y = ((double)r - minRating)/(maxRating - minRating)
2540 * (h-vMargin-squareSize/8-1) + vMargin;
2541 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2542 if(strstr(seekAdList[i], " u ")) color = 1;
2543 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2544 !strstr(seekAdList[i], "bullet") &&
2545 !strstr(seekAdList[i], "blitz") &&
2546 !strstr(seekAdList[i], "standard") ) color = 2;
2547 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2548 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2552 PlotSingleSeekAd (int i)
2558 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2560 char buf[MSG_SIZ], *ext = "";
2561 VariantClass v = StringToVariant(type);
2562 if(strstr(type, "wild")) {
2563 ext = type + 4; // append wild number
2564 if(v == VariantFischeRandom) type = "chess960"; else
2565 if(v == VariantLoadable) type = "setup"; else
2566 type = VariantName(v);
2568 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2569 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2570 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2571 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2572 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2573 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2574 seekNrList[nrOfSeekAds] = nr;
2575 zList[nrOfSeekAds] = 0;
2576 seekAdList[nrOfSeekAds++] = StrSave(buf);
2577 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2582 EraseSeekDot (int i)
2584 int x = xList[i], y = yList[i], d=squareSize/4, k;
2585 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2586 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2587 // now replot every dot that overlapped
2588 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2589 int xx = xList[k], yy = yList[k];
2590 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2591 DrawSeekDot(xx, yy, colorList[k]);
2596 RemoveSeekAd (int nr)
2599 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2601 if(seekAdList[i]) free(seekAdList[i]);
2602 seekAdList[i] = seekAdList[--nrOfSeekAds];
2603 seekNrList[i] = seekNrList[nrOfSeekAds];
2604 ratingList[i] = ratingList[nrOfSeekAds];
2605 colorList[i] = colorList[nrOfSeekAds];
2606 tcList[i] = tcList[nrOfSeekAds];
2607 xList[i] = xList[nrOfSeekAds];
2608 yList[i] = yList[nrOfSeekAds];
2609 zList[i] = zList[nrOfSeekAds];
2610 seekAdList[nrOfSeekAds] = NULL;
2616 MatchSoughtLine (char *line)
2618 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2619 int nr, base, inc, u=0; char dummy;
2621 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2622 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2624 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2625 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2626 // match: compact and save the line
2627 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2637 if(!seekGraphUp) return FALSE;
2638 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2639 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2641 DrawSeekBackground(0, 0, w, h);
2642 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2643 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2644 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2645 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2647 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2650 snprintf(buf, MSG_SIZ, "%d", i);
2651 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2654 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2655 for(i=1; i<100; i+=(i<10?1:5)) {
2656 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2657 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2658 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2660 snprintf(buf, MSG_SIZ, "%d", i);
2661 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2664 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2669 SeekGraphClick (ClickType click, int x, int y, int moving)
2671 static int lastDown = 0, displayed = 0, lastSecond;
2672 if(y < 0) return FALSE;
2673 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2674 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2675 if(!seekGraphUp) return FALSE;
2676 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2677 DrawPosition(TRUE, NULL);
2680 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2681 if(click == Release || moving) return FALSE;
2683 soughtPending = TRUE;
2684 SendToICS(ics_prefix);
2685 SendToICS("sought\n"); // should this be "sought all"?
2686 } else { // issue challenge based on clicked ad
2687 int dist = 10000; int i, closest = 0, second = 0;
2688 for(i=0; i<nrOfSeekAds; i++) {
2689 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2690 if(d < dist) { dist = d; closest = i; }
2691 second += (d - zList[i] < 120); // count in-range ads
2692 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2696 second = (second > 1);
2697 if(displayed != closest || second != lastSecond) {
2698 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2699 lastSecond = second; displayed = closest;
2701 if(click == Press) {
2702 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2705 } // on press 'hit', only show info
2706 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2707 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2708 SendToICS(ics_prefix);
2710 return TRUE; // let incoming board of started game pop down the graph
2711 } else if(click == Release) { // release 'miss' is ignored
2712 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2713 if(moving == 2) { // right up-click
2714 nrOfSeekAds = 0; // refresh graph
2715 soughtPending = TRUE;
2716 SendToICS(ics_prefix);
2717 SendToICS("sought\n"); // should this be "sought all"?
2720 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2721 // press miss or release hit 'pop down' seek graph
2722 seekGraphUp = FALSE;
2723 DrawPosition(TRUE, NULL);
2729 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2731 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2732 #define STARTED_NONE 0
2733 #define STARTED_MOVES 1
2734 #define STARTED_BOARD 2
2735 #define STARTED_OBSERVE 3
2736 #define STARTED_HOLDINGS 4
2737 #define STARTED_CHATTER 5
2738 #define STARTED_COMMENT 6
2739 #define STARTED_MOVES_NOHIDE 7
2741 static int started = STARTED_NONE;
2742 static char parse[20000];
2743 static int parse_pos = 0;
2744 static char buf[BUF_SIZE + 1];
2745 static int firstTime = TRUE, intfSet = FALSE;
2746 static ColorClass prevColor = ColorNormal;
2747 static int savingComment = FALSE;
2748 static int cmatch = 0; // continuation sequence match
2755 int backup; /* [DM] For zippy color lines */
2757 char talker[MSG_SIZ]; // [HGM] chat
2760 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2762 if (appData.debugMode) {
2764 fprintf(debugFP, "<ICS: ");
2765 show_bytes(debugFP, data, count);
2766 fprintf(debugFP, "\n");
2770 if (appData.debugMode) { int f = forwardMostMove;
2771 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2772 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2773 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2776 /* If last read ended with a partial line that we couldn't parse,
2777 prepend it to the new read and try again. */
2778 if (leftover_len > 0) {
2779 for (i=0; i<leftover_len; i++)
2780 buf[i] = buf[leftover_start + i];
2783 /* copy new characters into the buffer */
2784 bp = buf + leftover_len;
2785 buf_len=leftover_len;
2786 for (i=0; i<count; i++)
2789 if (data[i] == '\r')
2792 // join lines split by ICS?
2793 if (!appData.noJoin)
2796 Joining just consists of finding matches against the
2797 continuation sequence, and discarding that sequence
2798 if found instead of copying it. So, until a match
2799 fails, there's nothing to do since it might be the
2800 complete sequence, and thus, something we don't want
2803 if (data[i] == cont_seq[cmatch])
2806 if (cmatch == strlen(cont_seq))
2808 cmatch = 0; // complete match. just reset the counter
2811 it's possible for the ICS to not include the space
2812 at the end of the last word, making our [correct]
2813 join operation fuse two separate words. the server
2814 does this when the space occurs at the width setting.
2816 if (!buf_len || buf[buf_len-1] != ' ')
2827 match failed, so we have to copy what matched before
2828 falling through and copying this character. In reality,
2829 this will only ever be just the newline character, but
2830 it doesn't hurt to be precise.
2832 strncpy(bp, cont_seq, cmatch);
2844 buf[buf_len] = NULLCHAR;
2845 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2850 while (i < buf_len) {
2851 /* Deal with part of the TELNET option negotiation
2852 protocol. We refuse to do anything beyond the
2853 defaults, except that we allow the WILL ECHO option,
2854 which ICS uses to turn off password echoing when we are
2855 directly connected to it. We reject this option
2856 if localLineEditing mode is on (always on in xboard)
2857 and we are talking to port 23, which might be a real
2858 telnet server that will try to keep WILL ECHO on permanently.
2860 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2861 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2862 unsigned char option;
2864 switch ((unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "\n<WILL ");
2868 switch (option = (unsigned char) buf[++i]) {
2870 if (appData.debugMode)
2871 fprintf(debugFP, "ECHO ");
2872 /* Reply only if this is a change, according
2873 to the protocol rules. */
2874 if (remoteEchoOption) break;
2875 if (appData.localLineEditing &&
2876 atoi(appData.icsPort) == TN_PORT) {
2877 TelnetRequest(TN_DONT, TN_ECHO);
2880 TelnetRequest(TN_DO, TN_ECHO);
2881 remoteEchoOption = TRUE;
2885 if (appData.debugMode)
2886 fprintf(debugFP, "%d ", option);
2887 /* Whatever this is, we don't want it. */
2888 TelnetRequest(TN_DONT, option);
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<WONT ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 if (appData.debugMode)
2898 fprintf(debugFP, "ECHO ");
2899 /* Reply only if this is a change, according
2900 to the protocol rules. */
2901 if (!remoteEchoOption) break;
2903 TelnetRequest(TN_DONT, TN_ECHO);
2904 remoteEchoOption = FALSE;
2907 if (appData.debugMode)
2908 fprintf(debugFP, "%d ", (unsigned char) option);
2909 /* Whatever this is, it must already be turned
2910 off, because we never agree to turn on
2911 anything non-default, so according to the
2912 protocol rules, we don't reply. */
2917 if (appData.debugMode)
2918 fprintf(debugFP, "\n<DO ");
2919 switch (option = (unsigned char) buf[++i]) {
2921 /* Whatever this is, we refuse to do it. */
2922 if (appData.debugMode)
2923 fprintf(debugFP, "%d ", option);
2924 TelnetRequest(TN_WONT, option);
2929 if (appData.debugMode)
2930 fprintf(debugFP, "\n<DONT ");
2931 switch (option = (unsigned char) buf[++i]) {
2933 if (appData.debugMode)
2934 fprintf(debugFP, "%d ", option);
2935 /* Whatever this is, we are already not doing
2936 it, because we never agree to do anything
2937 non-default, so according to the protocol
2938 rules, we don't reply. */
2943 if (appData.debugMode)
2944 fprintf(debugFP, "\n<IAC ");
2945 /* Doubled IAC; pass it through */
2949 if (appData.debugMode)
2950 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2951 /* Drop all other telnet commands on the floor */
2954 if (oldi > next_out)
2955 SendToPlayer(&buf[next_out], oldi - next_out);
2961 /* OK, this at least will *usually* work */
2962 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2966 if (loggedOn && !intfSet) {
2967 if (ics_type == ICS_ICC) {
2968 snprintf(str, MSG_SIZ,
2969 "/set-quietly interface %s\n/set-quietly style 12\n",
2971 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2972 strcat(str, "/set-2 51 1\n/set seek 1\n");
2973 } else if (ics_type == ICS_CHESSNET) {
2974 snprintf(str, MSG_SIZ, "/style 12\n");
2976 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2977 strcat(str, programVersion);
2978 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2979 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2980 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2982 strcat(str, "$iset nohighlight 1\n");
2984 strcat(str, "$iset lock 1\n$style 12\n");
2987 NotifyFrontendLogin();
2991 if (started == STARTED_COMMENT) {
2992 /* Accumulate characters in comment */
2993 parse[parse_pos++] = buf[i];
2994 if (buf[i] == '\n') {
2995 parse[parse_pos] = NULLCHAR;
2996 if(chattingPartner>=0) {
2998 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2999 OutputChatMessage(chattingPartner, mess);
3000 chattingPartner = -1;
3001 next_out = i+1; // [HGM] suppress printing in ICS window
3003 if(!suppressKibitz) // [HGM] kibitz
3004 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3005 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3006 int nrDigit = 0, nrAlph = 0, j;
3007 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3008 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3009 parse[parse_pos] = NULLCHAR;
3010 // try to be smart: if it does not look like search info, it should go to
3011 // ICS interaction window after all, not to engine-output window.
3012 for(j=0; j<parse_pos; j++) { // count letters and digits
3013 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3014 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3015 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3017 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3018 int depth=0; float score;
3019 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3020 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3021 pvInfoList[forwardMostMove-1].depth = depth;
3022 pvInfoList[forwardMostMove-1].score = 100*score;
3024 OutputKibitz(suppressKibitz, parse);
3027 if(gameMode == IcsObserving) // restore original ICS messages
3028 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3030 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3031 SendToPlayer(tmp, strlen(tmp));
3033 next_out = i+1; // [HGM] suppress printing in ICS window
3035 started = STARTED_NONE;
3037 /* Don't match patterns against characters in comment */
3042 if (started == STARTED_CHATTER) {
3043 if (buf[i] != '\n') {
3044 /* Don't match patterns against characters in chatter */
3048 started = STARTED_NONE;
3049 if(suppressKibitz) next_out = i+1;
3052 /* Kludge to deal with rcmd protocol */
3053 if (firstTime && looking_at(buf, &i, "\001*")) {
3054 DisplayFatalError(&buf[1], 0, 1);
3060 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3063 if (appData.debugMode)
3064 fprintf(debugFP, "ics_type %d\n", ics_type);
3067 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3068 ics_type = ICS_FICS;
3070 if (appData.debugMode)
3071 fprintf(debugFP, "ics_type %d\n", ics_type);
3074 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3075 ics_type = ICS_CHESSNET;
3077 if (appData.debugMode)
3078 fprintf(debugFP, "ics_type %d\n", ics_type);
3083 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3084 looking_at(buf, &i, "Logging you in as \"*\"") ||
3085 looking_at(buf, &i, "will be \"*\""))) {
3086 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3090 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3092 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3093 DisplayIcsInteractionTitle(buf);
3094 have_set_title = TRUE;
3097 /* skip finger notes */
3098 if (started == STARTED_NONE &&
3099 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3100 (buf[i] == '1' && buf[i+1] == '0')) &&
3101 buf[i+2] == ':' && buf[i+3] == ' ') {
3102 started = STARTED_CHATTER;
3108 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3109 if(appData.seekGraph) {
3110 if(soughtPending && MatchSoughtLine(buf+i)) {
3111 i = strstr(buf+i, "rated") - buf;
3112 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3113 next_out = leftover_start = i;
3114 started = STARTED_CHATTER;
3115 suppressKibitz = TRUE;
3118 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3119 && looking_at(buf, &i, "* ads displayed")) {
3120 soughtPending = FALSE;
3125 if(appData.autoRefresh) {
3126 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3127 int s = (ics_type == ICS_ICC); // ICC format differs
3129 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3130 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3131 looking_at(buf, &i, "*% "); // eat prompt
3132 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3133 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3134 next_out = i; // suppress
3137 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3138 char *p = star_match[0];
3140 if(seekGraphUp) RemoveSeekAd(atoi(p));
3141 while(*p && *p++ != ' '); // next
3143 looking_at(buf, &i, "*% "); // eat prompt
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3151 /* skip formula vars */
3152 if (started == STARTED_NONE &&
3153 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3154 started = STARTED_CHATTER;
3159 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3160 if (appData.autoKibitz && started == STARTED_NONE &&
3161 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3162 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3163 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3164 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3165 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3166 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3167 suppressKibitz = TRUE;
3168 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3170 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3171 && (gameMode == IcsPlayingWhite)) ||
3172 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3173 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3174 started = STARTED_CHATTER; // own kibitz we simply discard
3176 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3177 parse_pos = 0; parse[0] = NULLCHAR;
3178 savingComment = TRUE;
3179 suppressKibitz = gameMode != IcsObserving ? 2 :
3180 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3184 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3185 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3186 && atoi(star_match[0])) {
3187 // suppress the acknowledgements of our own autoKibitz
3189 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3190 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3191 SendToPlayer(star_match[0], strlen(star_match[0]));
3192 if(looking_at(buf, &i, "*% ")) // eat prompt
3193 suppressKibitz = FALSE;
3197 } // [HGM] kibitz: end of patch
3199 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3201 // [HGM] chat: intercept tells by users for which we have an open chat window
3203 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3204 looking_at(buf, &i, "* whispers:") ||
3205 looking_at(buf, &i, "* kibitzes:") ||
3206 looking_at(buf, &i, "* shouts:") ||
3207 looking_at(buf, &i, "* c-shouts:") ||
3208 looking_at(buf, &i, "--> * ") ||
3209 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3210 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3211 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3212 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3214 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3215 chattingPartner = -1;
3217 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3218 for(p=0; p<MAX_CHAT; p++) {
3219 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3220 talker[0] = '['; strcat(talker, "] ");
3221 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3222 chattingPartner = p; break;
3225 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3226 for(p=0; p<MAX_CHAT; p++) {
3227 if(!strcmp("kibitzes", chatPartner[p])) {
3228 talker[0] = '['; strcat(talker, "] ");
3229 chattingPartner = p; break;
3232 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3233 for(p=0; p<MAX_CHAT; p++) {
3234 if(!strcmp("whispers", chatPartner[p])) {
3235 talker[0] = '['; strcat(talker, "] ");
3236 chattingPartner = p; break;
3239 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3240 if(buf[i-8] == '-' && buf[i-3] == 't')
3241 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3242 if(!strcmp("c-shouts", chatPartner[p])) {
3243 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3244 chattingPartner = p; break;
3247 if(chattingPartner < 0)
3248 for(p=0; p<MAX_CHAT; p++) {
3249 if(!strcmp("shouts", chatPartner[p])) {
3250 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3251 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3252 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3253 chattingPartner = p; break;
3257 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3258 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3259 talker[0] = 0; Colorize(ColorTell, FALSE);
3260 chattingPartner = p; break;
3262 if(chattingPartner<0) i = oldi; else {
3263 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3264 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3265 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3266 started = STARTED_COMMENT;
3267 parse_pos = 0; parse[0] = NULLCHAR;
3268 savingComment = 3 + chattingPartner; // counts as TRUE
3269 suppressKibitz = TRUE;
3272 } // [HGM] chat: end of patch
3275 if (appData.zippyTalk || appData.zippyPlay) {
3276 /* [DM] Backup address for color zippy lines */
3278 if (loggedOn == TRUE)
3279 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3280 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3282 } // [DM] 'else { ' deleted
3284 /* Regular tells and says */
3285 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3286 looking_at(buf, &i, "* (your partner) tells you: ") ||
3287 looking_at(buf, &i, "* says: ") ||
3288 /* Don't color "message" or "messages" output */
3289 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3290 looking_at(buf, &i, "*. * at *:*: ") ||
3291 looking_at(buf, &i, "--* (*:*): ") ||
3292 /* Message notifications (same color as tells) */
3293 looking_at(buf, &i, "* has left a message ") ||
3294 looking_at(buf, &i, "* just sent you a message:\n") ||
3295 /* Whispers and kibitzes */
3296 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3297 looking_at(buf, &i, "* kibitzes: ") ||
3299 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3301 if (tkind == 1 && strchr(star_match[0], ':')) {
3302 /* Avoid "tells you:" spoofs in channels */
3305 if (star_match[0][0] == NULLCHAR ||
3306 strchr(star_match[0], ' ') ||
3307 (tkind == 3 && strchr(star_match[1], ' '))) {
3308 /* Reject bogus matches */
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorTell, FALSE);
3319 curColor = ColorTell;
3322 Colorize(ColorKibitz, FALSE);
3323 curColor = ColorKibitz;
3326 p = strrchr(star_match[1], '(');
3333 Colorize(ColorChannel1, FALSE);
3334 curColor = ColorChannel1;
3336 Colorize(ColorChannel, FALSE);
3337 curColor = ColorChannel;
3341 curColor = ColorNormal;
3345 if (started == STARTED_NONE && appData.autoComment &&
3346 (gameMode == IcsObserving ||
3347 gameMode == IcsPlayingWhite ||
3348 gameMode == IcsPlayingBlack)) {
3349 parse_pos = i - oldi;
3350 memcpy(parse, &buf[oldi], parse_pos);
3351 parse[parse_pos] = NULLCHAR;
3352 started = STARTED_COMMENT;
3353 savingComment = TRUE;
3355 started = STARTED_CHATTER;
3356 savingComment = FALSE;
3363 if (looking_at(buf, &i, "* s-shouts: ") ||
3364 looking_at(buf, &i, "* c-shouts: ")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorSShout, FALSE);
3371 curColor = ColorSShout;
3374 started = STARTED_CHATTER;
3378 if (looking_at(buf, &i, "--->")) {
3383 if (looking_at(buf, &i, "* shouts: ") ||
3384 looking_at(buf, &i, "--> ")) {
3385 if (appData.colorize) {
3386 if (oldi > next_out) {
3387 SendToPlayer(&buf[next_out], oldi - next_out);
3390 Colorize(ColorShout, FALSE);
3391 curColor = ColorShout;
3394 started = STARTED_CHATTER;
3398 if (looking_at( buf, &i, "Challenge:")) {
3399 if (appData.colorize) {
3400 if (oldi > next_out) {
3401 SendToPlayer(&buf[next_out], oldi - next_out);
3404 Colorize(ColorChallenge, FALSE);
3405 curColor = ColorChallenge;
3411 if (looking_at(buf, &i, "* offers you") ||
3412 looking_at(buf, &i, "* offers to be") ||
3413 looking_at(buf, &i, "* would like to") ||
3414 looking_at(buf, &i, "* requests to") ||
3415 looking_at(buf, &i, "Your opponent offers") ||
3416 looking_at(buf, &i, "Your opponent requests")) {
3418 if (appData.colorize) {
3419 if (oldi > next_out) {
3420 SendToPlayer(&buf[next_out], oldi - next_out);
3423 Colorize(ColorRequest, FALSE);
3424 curColor = ColorRequest;
3429 if (looking_at(buf, &i, "* (*) seeking")) {
3430 if (appData.colorize) {
3431 if (oldi > next_out) {
3432 SendToPlayer(&buf[next_out], oldi - next_out);
3435 Colorize(ColorSeek, FALSE);
3436 curColor = ColorSeek;
3441 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3443 if (looking_at(buf, &i, "\\ ")) {
3444 if (prevColor != ColorNormal) {
3445 if (oldi > next_out) {
3446 SendToPlayer(&buf[next_out], oldi - next_out);
3449 Colorize(prevColor, TRUE);
3450 curColor = prevColor;
3452 if (savingComment) {
3453 parse_pos = i - oldi;
3454 memcpy(parse, &buf[oldi], parse_pos);
3455 parse[parse_pos] = NULLCHAR;
3456 started = STARTED_COMMENT;
3457 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3458 chattingPartner = savingComment - 3; // kludge to remember the box
3460 started = STARTED_CHATTER;
3465 if (looking_at(buf, &i, "Black Strength :") ||
3466 looking_at(buf, &i, "<<< style 10 board >>>") ||
3467 looking_at(buf, &i, "<10>") ||
3468 looking_at(buf, &i, "#@#")) {
3469 /* Wrong board style */
3471 SendToICS(ics_prefix);
3472 SendToICS("set style 12\n");
3473 SendToICS(ics_prefix);
3474 SendToICS("refresh\n");
3478 if (looking_at(buf, &i, "login:")) {
3479 if (!have_sent_ICS_logon) {
3481 have_sent_ICS_logon = 1;
3482 else // no init script was found
3483 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3484 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3485 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3490 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3491 (looking_at(buf, &i, "\n<12> ") ||
3492 looking_at(buf, &i, "<12> "))) {
3494 if (oldi > next_out) {
3495 SendToPlayer(&buf[next_out], oldi - next_out);
3498 started = STARTED_BOARD;
3503 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3504 looking_at(buf, &i, "<b1> ")) {
3505 if (oldi > next_out) {
3506 SendToPlayer(&buf[next_out], oldi - next_out);
3509 started = STARTED_HOLDINGS;
3514 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3516 /* Header for a move list -- first line */
3518 switch (ics_getting_history) {
3522 case BeginningOfGame:
3523 /* User typed "moves" or "oldmoves" while we
3524 were idle. Pretend we asked for these
3525 moves and soak them up so user can step
3526 through them and/or save them.
3529 gameMode = IcsObserving;
3532 ics_getting_history = H_GOT_UNREQ_HEADER;
3534 case EditGame: /*?*/
3535 case EditPosition: /*?*/
3536 /* Should above feature work in these modes too? */
3537 /* For now it doesn't */
3538 ics_getting_history = H_GOT_UNWANTED_HEADER;
3541 ics_getting_history = H_GOT_UNWANTED_HEADER;
3546 /* Is this the right one? */
3547 if (gameInfo.white && gameInfo.black &&
3548 strcmp(gameInfo.white, star_match[0]) == 0 &&
3549 strcmp(gameInfo.black, star_match[2]) == 0) {
3551 ics_getting_history = H_GOT_REQ_HEADER;
3554 case H_GOT_REQ_HEADER:
3555 case H_GOT_UNREQ_HEADER:
3556 case H_GOT_UNWANTED_HEADER:
3557 case H_GETTING_MOVES:
3558 /* Should not happen */
3559 DisplayError(_("Error gathering move list: two headers"), 0);
3560 ics_getting_history = H_FALSE;
3564 /* Save player ratings into gameInfo if needed */
3565 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3566 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3567 (gameInfo.whiteRating == -1 ||
3568 gameInfo.blackRating == -1)) {
3570 gameInfo.whiteRating = string_to_rating(star_match[1]);
3571 gameInfo.blackRating = string_to_rating(star_match[3]);
3572 if (appData.debugMode)
3573 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3574 gameInfo.whiteRating, gameInfo.blackRating);
3579 if (looking_at(buf, &i,
3580 "* * match, initial time: * minute*, increment: * second")) {
3581 /* Header for a move list -- second line */
3582 /* Initial board will follow if this is a wild game */
3583 if (gameInfo.event != NULL) free(gameInfo.event);
3584 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3585 gameInfo.event = StrSave(str);
3586 /* [HGM] we switched variant. Translate boards if needed. */
3587 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3591 if (looking_at(buf, &i, "Move ")) {
3592 /* Beginning of a move list */
3593 switch (ics_getting_history) {
3595 /* Normally should not happen */
3596 /* Maybe user hit reset while we were parsing */
3599 /* Happens if we are ignoring a move list that is not
3600 * the one we just requested. Common if the user
3601 * tries to observe two games without turning off
3604 case H_GETTING_MOVES:
3605 /* Should not happen */
3606 DisplayError(_("Error gathering move list: nested"), 0);
3607 ics_getting_history = H_FALSE;
3609 case H_GOT_REQ_HEADER:
3610 ics_getting_history = H_GETTING_MOVES;
3611 started = STARTED_MOVES;
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 case H_GOT_UNREQ_HEADER:
3618 ics_getting_history = H_GETTING_MOVES;
3619 started = STARTED_MOVES_NOHIDE;
3622 case H_GOT_UNWANTED_HEADER:
3623 ics_getting_history = H_FALSE;
3629 if (looking_at(buf, &i, "% ") ||
3630 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3631 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3632 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3633 soughtPending = FALSE;
3637 if(suppressKibitz) next_out = i;
3638 savingComment = FALSE;
3642 case STARTED_MOVES_NOHIDE:
3643 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3644 parse[parse_pos + i - oldi] = NULLCHAR;
3645 ParseGameHistory(parse);
3647 if (appData.zippyPlay && first.initDone) {
3648 FeedMovesToProgram(&first, forwardMostMove);
3649 if (gameMode == IcsPlayingWhite) {
3650 if (WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("black\n", &first);
3655 SendTimeRemaining(&first, TRUE);
3657 if (first.useColors) {
3658 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, TRUE);
3667 SendToProgram("playother\n", &first);
3673 } else if (gameMode == IcsPlayingBlack) {
3674 if (!WhiteOnMove(forwardMostMove)) {
3675 if (first.sendTime) {
3676 if (first.useColors) {
3677 SendToProgram("white\n", &first);
3679 SendTimeRemaining(&first, FALSE);
3681 if (first.useColors) {
3682 SendToProgram("black\n", &first);
3684 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3685 first.maybeThinking = TRUE;
3687 if (first.usePlayother) {
3688 if (first.sendTime) {
3689 SendTimeRemaining(&first, FALSE);
3691 SendToProgram("playother\n", &first);
3700 if (gameMode == IcsObserving && ics_gamenum == -1) {
3701 /* Moves came from oldmoves or moves command
3702 while we weren't doing anything else.
3704 currentMove = forwardMostMove;
3705 ClearHighlights();/*!!could figure this out*/
3706 flipView = appData.flipView;
3707 DrawPosition(TRUE, boards[currentMove]);
3708 DisplayBothClocks();
3709 snprintf(str, MSG_SIZ, "%s %s %s",
3710 gameInfo.white, _("vs."), gameInfo.black);
3714 /* Moves were history of an active game */
3715 if (gameInfo.resultDetails != NULL) {
3716 free(gameInfo.resultDetails);
3717 gameInfo.resultDetails = NULL;
3720 HistorySet(parseList, backwardMostMove,
3721 forwardMostMove, currentMove-1);
3722 DisplayMove(currentMove - 1);
3723 if (started == STARTED_MOVES) next_out = i;
3724 started = STARTED_NONE;
3725 ics_getting_history = H_FALSE;
3728 case STARTED_OBSERVE:
3729 started = STARTED_NONE;
3730 SendToICS(ics_prefix);
3731 SendToICS("refresh\n");
3737 if(bookHit) { // [HGM] book: simulate book reply
3738 static char bookMove[MSG_SIZ]; // a bit generous?
3740 programStats.nodes = programStats.depth = programStats.time =
3741 programStats.score = programStats.got_only_move = 0;
3742 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3744 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3745 strcat(bookMove, bookHit);
3746 HandleMachineMove(bookMove, &first);
3751 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3752 started == STARTED_HOLDINGS ||
3753 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3754 /* Accumulate characters in move list or board */
3755 parse[parse_pos++] = buf[i];
3758 /* Start of game messages. Mostly we detect start of game
3759 when the first board image arrives. On some versions
3760 of the ICS, though, we need to do a "refresh" after starting
3761 to observe in order to get the current board right away. */
3762 if (looking_at(buf, &i, "Adding game * to observation list")) {
3763 started = STARTED_OBSERVE;
3767 /* Handle auto-observe */
3768 if (appData.autoObserve &&
3769 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3770 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3772 /* Choose the player that was highlighted, if any. */
3773 if (star_match[0][0] == '\033' ||
3774 star_match[1][0] != '\033') {
3775 player = star_match[0];
3777 player = star_match[2];
3779 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3780 ics_prefix, StripHighlightAndTitle(player));
3783 /* Save ratings from notify string */
3784 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3785 player1Rating = string_to_rating(star_match[1]);
3786 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3787 player2Rating = string_to_rating(star_match[3]);
3789 if (appData.debugMode)
3791 "Ratings from 'Game notification:' %s %d, %s %d\n",
3792 player1Name, player1Rating,
3793 player2Name, player2Rating);
3798 /* Deal with automatic examine mode after a game,
3799 and with IcsObserving -> IcsExamining transition */
3800 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3801 looking_at(buf, &i, "has made you an examiner of game *")) {
3803 int gamenum = atoi(star_match[0]);
3804 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3805 gamenum == ics_gamenum) {
3806 /* We were already playing or observing this game;
3807 no need to refetch history */
3808 gameMode = IcsExamining;
3810 pauseExamForwardMostMove = forwardMostMove;
3811 } else if (currentMove < forwardMostMove) {
3812 ForwardInner(forwardMostMove);
3815 /* I don't think this case really can happen */
3816 SendToICS(ics_prefix);
3817 SendToICS("refresh\n");
3822 /* Error messages */
3823 // if (ics_user_moved) {
3824 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3825 if (looking_at(buf, &i, "Illegal move") ||
3826 looking_at(buf, &i, "Not a legal move") ||
3827 looking_at(buf, &i, "Your king is in check") ||
3828 looking_at(buf, &i, "It isn't your turn") ||
3829 looking_at(buf, &i, "It is not your move")) {
3831 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3832 currentMove = forwardMostMove-1;
3833 DisplayMove(currentMove - 1); /* before DMError */
3834 DrawPosition(FALSE, boards[currentMove]);
3835 SwitchClocks(forwardMostMove-1); // [HGM] race
3836 DisplayBothClocks();
3838 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3844 if (looking_at(buf, &i, "still have time") ||
3845 looking_at(buf, &i, "not out of time") ||
3846 looking_at(buf, &i, "either player is out of time") ||
3847 looking_at(buf, &i, "has timeseal; checking")) {
3848 /* We must have called his flag a little too soon */
3849 whiteFlag = blackFlag = FALSE;
3853 if (looking_at(buf, &i, "added * seconds to") ||
3854 looking_at(buf, &i, "seconds were added to")) {
3855 /* Update the clocks */
3856 SendToICS(ics_prefix);
3857 SendToICS("refresh\n");
3861 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3862 ics_clock_paused = TRUE;
3867 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3868 ics_clock_paused = FALSE;
3873 /* Grab player ratings from the Creating: message.
3874 Note we have to check for the special case when
3875 the ICS inserts things like [white] or [black]. */
3876 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3877 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3879 0 player 1 name (not necessarily white)
3881 2 empty, white, or black (IGNORED)
3882 3 player 2 name (not necessarily black)
3885 The names/ratings are sorted out when the game
3886 actually starts (below).
3888 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3889 player1Rating = string_to_rating(star_match[1]);
3890 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3891 player2Rating = string_to_rating(star_match[4]);
3893 if (appData.debugMode)
3895 "Ratings from 'Creating:' %s %d, %s %d\n",
3896 player1Name, player1Rating,
3897 player2Name, player2Rating);
3902 /* Improved generic start/end-of-game messages */
3903 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3904 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3905 /* If tkind == 0: */
3906 /* star_match[0] is the game number */
3907 /* [1] is the white player's name */
3908 /* [2] is the black player's name */
3909 /* For end-of-game: */
3910 /* [3] is the reason for the game end */
3911 /* [4] is a PGN end game-token, preceded by " " */
3912 /* For start-of-game: */
3913 /* [3] begins with "Creating" or "Continuing" */
3914 /* [4] is " *" or empty (don't care). */
3915 int gamenum = atoi(star_match[0]);
3916 char *whitename, *blackname, *why, *endtoken;
3917 ChessMove endtype = EndOfFile;
3920 whitename = star_match[1];
3921 blackname = star_match[2];
3922 why = star_match[3];
3923 endtoken = star_match[4];
3925 whitename = star_match[1];
3926 blackname = star_match[3];
3927 why = star_match[5];
3928 endtoken = star_match[6];
3931 /* Game start messages */
3932 if (strncmp(why, "Creating ", 9) == 0 ||
3933 strncmp(why, "Continuing ", 11) == 0) {
3934 gs_gamenum = gamenum;
3935 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3936 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3937 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3939 if (appData.zippyPlay) {
3940 ZippyGameStart(whitename, blackname);
3943 partnerBoardValid = FALSE; // [HGM] bughouse
3947 /* Game end messages */
3948 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3949 ics_gamenum != gamenum) {
3952 while (endtoken[0] == ' ') endtoken++;
3953 switch (endtoken[0]) {
3956 endtype = GameUnfinished;
3959 endtype = BlackWins;
3962 if (endtoken[1] == '/')
3963 endtype = GameIsDrawn;
3965 endtype = WhiteWins;
3968 GameEnds(endtype, why, GE_ICS);
3970 if (appData.zippyPlay && first.initDone) {
3971 ZippyGameEnd(endtype, why);
3972 if (first.pr == NoProc) {
3973 /* Start the next process early so that we'll
3974 be ready for the next challenge */
3975 StartChessProgram(&first);
3977 /* Send "new" early, in case this command takes
3978 a long time to finish, so that we'll be ready
3979 for the next challenge. */
3980 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3984 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3988 if (looking_at(buf, &i, "Removing game * from observation") ||
3989 looking_at(buf, &i, "no longer observing game *") ||
3990 looking_at(buf, &i, "Game * (*) has no examiners")) {
3991 if (gameMode == IcsObserving &&
3992 atoi(star_match[0]) == ics_gamenum)
3994 /* icsEngineAnalyze */
3995 if (appData.icsEngineAnalyze) {
4002 ics_user_moved = FALSE;
4007 if (looking_at(buf, &i, "no longer examining game *")) {
4008 if (gameMode == IcsExamining &&
4009 atoi(star_match[0]) == ics_gamenum)
4013 ics_user_moved = FALSE;
4018 /* Advance leftover_start past any newlines we find,
4019 so only partial lines can get reparsed */
4020 if (looking_at(buf, &i, "\n")) {
4021 prevColor = curColor;
4022 if (curColor != ColorNormal) {
4023 if (oldi > next_out) {
4024 SendToPlayer(&buf[next_out], oldi - next_out);
4027 Colorize(ColorNormal, FALSE);
4028 curColor = ColorNormal;
4030 if (started == STARTED_BOARD) {
4031 started = STARTED_NONE;
4032 parse[parse_pos] = NULLCHAR;
4033 ParseBoard12(parse);
4036 /* Send premove here */
4037 if (appData.premove) {
4039 if (currentMove == 0 &&
4040 gameMode == IcsPlayingWhite &&
4041 appData.premoveWhite) {
4042 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4043 if (appData.debugMode)
4044 fprintf(debugFP, "Sending premove:\n");
4046 } else if (currentMove == 1 &&
4047 gameMode == IcsPlayingBlack &&
4048 appData.premoveBlack) {
4049 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4050 if (appData.debugMode)
4051 fprintf(debugFP, "Sending premove:\n");
4053 } else if (gotPremove) {
4055 ClearPremoveHighlights();
4056 if (appData.debugMode)
4057 fprintf(debugFP, "Sending premove:\n");
4058 UserMoveEvent(premoveFromX, premoveFromY,
4059 premoveToX, premoveToY,
4064 /* Usually suppress following prompt */
4065 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4066 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4067 if (looking_at(buf, &i, "*% ")) {
4068 savingComment = FALSE;
4073 } else if (started == STARTED_HOLDINGS) {
4075 char new_piece[MSG_SIZ];
4076 started = STARTED_NONE;
4077 parse[parse_pos] = NULLCHAR;
4078 if (appData.debugMode)
4079 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4080 parse, currentMove);
4081 if (sscanf(parse, " game %d", &gamenum) == 1) {
4082 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4083 if (gameInfo.variant == VariantNormal) {
4084 /* [HGM] We seem to switch variant during a game!
4085 * Presumably no holdings were displayed, so we have
4086 * to move the position two files to the right to
4087 * create room for them!
4089 VariantClass newVariant;
4090 switch(gameInfo.boardWidth) { // base guess on board width
4091 case 9: newVariant = VariantShogi; break;
4092 case 10: newVariant = VariantGreat; break;
4093 default: newVariant = VariantCrazyhouse; break;
4095 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4096 /* Get a move list just to see the header, which
4097 will tell us whether this is really bug or zh */
4098 if (ics_getting_history == H_FALSE) {
4099 ics_getting_history = H_REQUESTED;
4100 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4104 new_piece[0] = NULLCHAR;
4105 sscanf(parse, "game %d white [%s black [%s <- %s",
4106 &gamenum, white_holding, black_holding,
4108 white_holding[strlen(white_holding)-1] = NULLCHAR;
4109 black_holding[strlen(black_holding)-1] = NULLCHAR;
4110 /* [HGM] copy holdings to board holdings area */
4111 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4112 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4113 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4115 if (appData.zippyPlay && first.initDone) {
4116 ZippyHoldings(white_holding, black_holding,
4120 if (tinyLayout || smallLayout) {
4121 char wh[16], bh[16];
4122 PackHolding(wh, white_holding);
4123 PackHolding(bh, black_holding);
4124 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4125 gameInfo.white, gameInfo.black);
4127 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4128 gameInfo.white, white_holding, _("vs."),
4129 gameInfo.black, black_holding);
4131 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4132 DrawPosition(FALSE, boards[currentMove]);
4134 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4135 sscanf(parse, "game %d white [%s black [%s <- %s",
4136 &gamenum, white_holding, black_holding,
4138 white_holding[strlen(white_holding)-1] = NULLCHAR;
4139 black_holding[strlen(black_holding)-1] = NULLCHAR;
4140 /* [HGM] copy holdings to partner-board holdings area */
4141 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4142 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4143 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4144 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4145 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4148 /* Suppress following prompt */
4149 if (looking_at(buf, &i, "*% ")) {
4150 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4151 savingComment = FALSE;
4159 i++; /* skip unparsed character and loop back */
4162 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4163 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4164 // SendToPlayer(&buf[next_out], i - next_out);
4165 started != STARTED_HOLDINGS && leftover_start > next_out) {
4166 SendToPlayer(&buf[next_out], leftover_start - next_out);
4170 leftover_len = buf_len - leftover_start;
4171 /* if buffer ends with something we couldn't parse,
4172 reparse it after appending the next read */
4174 } else if (count == 0) {
4175 RemoveInputSource(isr);
4176 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4178 DisplayFatalError(_("Error reading from ICS"), error, 1);
4183 /* Board style 12 looks like this:
4185 <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
4187 * The "<12> " is stripped before it gets to this routine. The two
4188 * trailing 0's (flip state and clock ticking) are later addition, and
4189 * some chess servers may not have them, or may have only the first.
4190 * Additional trailing fields may be added in the future.
4193 #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"
4195 #define RELATION_OBSERVING_PLAYED 0
4196 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4197 #define RELATION_PLAYING_MYMOVE 1
4198 #define RELATION_PLAYING_NOTMYMOVE -1
4199 #define RELATION_EXAMINING 2
4200 #define RELATION_ISOLATED_BOARD -3
4201 #define RELATION_STARTING_POSITION -4 /* FICS only */
4204 ParseBoard12 (char *string)
4208 char *bookHit = NULL; // [HGM] book
4210 GameMode newGameMode;
4211 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4212 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4213 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4214 char to_play, board_chars[200];
4215 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4216 char black[32], white[32];
4218 int prevMove = currentMove;
4221 int fromX, fromY, toX, toY;
4223 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4224 Boolean weird = FALSE, reqFlag = FALSE;
4226 fromX = fromY = toX = toY = -1;
4230 if (appData.debugMode)
4231 fprintf(debugFP, "Parsing board: %s\n", string);
4233 move_str[0] = NULLCHAR;
4234 elapsed_time[0] = NULLCHAR;
4235 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4237 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4238 if(string[i] == ' ') { ranks++; files = 0; }
4240 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4243 for(j = 0; j <i; j++) board_chars[j] = string[j];
4244 board_chars[i] = '\0';
4247 n = sscanf(string, PATTERN, &to_play, &double_push,
4248 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4249 &gamenum, white, black, &relation, &basetime, &increment,
4250 &white_stren, &black_stren, &white_time, &black_time,
4251 &moveNum, str, elapsed_time, move_str, &ics_flip,
4255 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4256 DisplayError(str, 0);
4260 /* Convert the move number to internal form */
4261 moveNum = (moveNum - 1) * 2;
4262 if (to_play == 'B') moveNum++;
4263 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4264 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4270 case RELATION_OBSERVING_PLAYED:
4271 case RELATION_OBSERVING_STATIC:
4272 if (gamenum == -1) {
4273 /* Old ICC buglet */
4274 relation = RELATION_OBSERVING_STATIC;
4276 newGameMode = IcsObserving;
4278 case RELATION_PLAYING_MYMOVE:
4279 case RELATION_PLAYING_NOTMYMOVE:
4281 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4282 IcsPlayingWhite : IcsPlayingBlack;
4283 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4285 case RELATION_EXAMINING:
4286 newGameMode = IcsExamining;
4288 case RELATION_ISOLATED_BOARD:
4290 /* Just display this board. If user was doing something else,
4291 we will forget about it until the next board comes. */
4292 newGameMode = IcsIdle;
4294 case RELATION_STARTING_POSITION:
4295 newGameMode = gameMode;
4299 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4300 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4301 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4302 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4303 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4304 static int lastBgGame = -1;
4306 for (k = 0; k < ranks; k++) {
4307 for (j = 0; j < files; j++)
4308 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4309 if(gameInfo.holdingsWidth > 1) {
4310 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4311 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4314 CopyBoard(partnerBoard, board);
4315 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4316 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4317 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4318 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4319 if(toSqr = strchr(str, '-')) {
4320 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4321 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4322 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4323 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4324 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4325 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4327 DisplayWhiteClock(white_time*fac, to_play == 'W');
4328 DisplayBlackClock(black_time*fac, to_play != 'W');
4329 activePartner = to_play;
4330 if(gamenum != lastBgGame) {
4332 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4335 lastBgGame = gamenum;
4336 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4337 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4338 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4339 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4340 if(!twoBoards) DisplayMessage(partnerStatus, "");
4341 partnerBoardValid = TRUE;
4345 if(appData.dualBoard && appData.bgObserve) {
4346 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4347 SendToICS(ics_prefix), SendToICS("pobserve\n");
4348 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4350 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4355 /* Modify behavior for initial board display on move listing
4358 switch (ics_getting_history) {
4362 case H_GOT_REQ_HEADER:
4363 case H_GOT_UNREQ_HEADER:
4364 /* This is the initial position of the current game */
4365 gamenum = ics_gamenum;
4366 moveNum = 0; /* old ICS bug workaround */
4367 if (to_play == 'B') {
4368 startedFromSetupPosition = TRUE;
4369 blackPlaysFirst = TRUE;
4371 if (forwardMostMove == 0) forwardMostMove = 1;
4372 if (backwardMostMove == 0) backwardMostMove = 1;
4373 if (currentMove == 0) currentMove = 1;
4375 newGameMode = gameMode;
4376 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4378 case H_GOT_UNWANTED_HEADER:
4379 /* This is an initial board that we don't want */
4381 case H_GETTING_MOVES:
4382 /* Should not happen */
4383 DisplayError(_("Error gathering move list: extra board"), 0);
4384 ics_getting_history = H_FALSE;
4388 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4389 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4390 weird && (int)gameInfo.variant < (int)VariantShogi) {
4391 /* [HGM] We seem to have switched variant unexpectedly
4392 * Try to guess new variant from board size
4394 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4395 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4396 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4397 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4398 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4399 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4400 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4401 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4402 /* Get a move list just to see the header, which
4403 will tell us whether this is really bug or zh */
4404 if (ics_getting_history == H_FALSE) {
4405 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4406 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4411 /* Take action if this is the first board of a new game, or of a
4412 different game than is currently being displayed. */
4413 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4414 relation == RELATION_ISOLATED_BOARD) {
4416 /* Forget the old game and get the history (if any) of the new one */
4417 if (gameMode != BeginningOfGame) {
4421 if (appData.autoRaiseBoard) BoardToTop();
4423 if (gamenum == -1) {
4424 newGameMode = IcsIdle;
4425 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4426 appData.getMoveList && !reqFlag) {
4427 /* Need to get game history */
4428 ics_getting_history = H_REQUESTED;
4429 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4433 /* Initially flip the board to have black on the bottom if playing
4434 black or if the ICS flip flag is set, but let the user change
4435 it with the Flip View button. */
4436 flipView = appData.autoFlipView ?
4437 (newGameMode == IcsPlayingBlack) || ics_flip :
4440 /* Done with values from previous mode; copy in new ones */
4441 gameMode = newGameMode;
4443 ics_gamenum = gamenum;
4444 if (gamenum == gs_gamenum) {
4445 int klen = strlen(gs_kind);
4446 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4447 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4448 gameInfo.event = StrSave(str);
4450 gameInfo.event = StrSave("ICS game");
4452 gameInfo.site = StrSave(appData.icsHost);
4453 gameInfo.date = PGNDate();
4454 gameInfo.round = StrSave("-");
4455 gameInfo.white = StrSave(white);
4456 gameInfo.black = StrSave(black);
4457 timeControl = basetime * 60 * 1000;
4459 timeIncrement = increment * 1000;
4460 movesPerSession = 0;
4461 gameInfo.timeControl = TimeControlTagValue();
4462 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4463 if (appData.debugMode) {
4464 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4465 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4466 setbuf(debugFP, NULL);
4469 gameInfo.outOfBook = NULL;
4471 /* Do we have the ratings? */
4472 if (strcmp(player1Name, white) == 0 &&
4473 strcmp(player2Name, black) == 0) {
4474 if (appData.debugMode)
4475 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4476 player1Rating, player2Rating);
4477 gameInfo.whiteRating = player1Rating;
4478 gameInfo.blackRating = player2Rating;
4479 } else if (strcmp(player2Name, white) == 0 &&
4480 strcmp(player1Name, black) == 0) {
4481 if (appData.debugMode)
4482 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4483 player2Rating, player1Rating);
4484 gameInfo.whiteRating = player2Rating;
4485 gameInfo.blackRating = player1Rating;
4487 player1Name[0] = player2Name[0] = NULLCHAR;
4489 /* Silence shouts if requested */
4490 if (appData.quietPlay &&
4491 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4492 SendToICS(ics_prefix);
4493 SendToICS("set shout 0\n");
4497 /* Deal with midgame name changes */
4499 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4500 if (gameInfo.white) free(gameInfo.white);
4501 gameInfo.white = StrSave(white);
4503 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4504 if (gameInfo.black) free(gameInfo.black);
4505 gameInfo.black = StrSave(black);
4509 /* Throw away game result if anything actually changes in examine mode */
4510 if (gameMode == IcsExamining && !newGame) {
4511 gameInfo.result = GameUnfinished;
4512 if (gameInfo.resultDetails != NULL) {
4513 free(gameInfo.resultDetails);
4514 gameInfo.resultDetails = NULL;
4518 /* In pausing && IcsExamining mode, we ignore boards coming
4519 in if they are in a different variation than we are. */
4520 if (pauseExamInvalid) return;
4521 if (pausing && gameMode == IcsExamining) {
4522 if (moveNum <= pauseExamForwardMostMove) {
4523 pauseExamInvalid = TRUE;
4524 forwardMostMove = pauseExamForwardMostMove;
4529 if (appData.debugMode) {
4530 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4532 /* Parse the board */
4533 for (k = 0; k < ranks; k++) {
4534 for (j = 0; j < files; j++)
4535 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4536 if(gameInfo.holdingsWidth > 1) {
4537 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4538 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4541 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4542 board[5][BOARD_RGHT+1] = WhiteAngel;
4543 board[6][BOARD_RGHT+1] = WhiteMarshall;
4544 board[1][0] = BlackMarshall;
4545 board[2][0] = BlackAngel;
4546 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4548 CopyBoard(boards[moveNum], board);
4549 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4551 startedFromSetupPosition =
4552 !CompareBoards(board, initialPosition);
4553 if(startedFromSetupPosition)
4554 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4557 /* [HGM] Set castling rights. Take the outermost Rooks,
4558 to make it also work for FRC opening positions. Note that board12
4559 is really defective for later FRC positions, as it has no way to
4560 indicate which Rook can castle if they are on the same side of King.
4561 For the initial position we grant rights to the outermost Rooks,
4562 and remember thos rights, and we then copy them on positions
4563 later in an FRC game. This means WB might not recognize castlings with
4564 Rooks that have moved back to their original position as illegal,
4565 but in ICS mode that is not its job anyway.
4567 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4568 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4570 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4571 if(board[0][i] == WhiteRook) j = i;
4572 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4573 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4574 if(board[0][i] == WhiteRook) j = i;
4575 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4576 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4577 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4578 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4579 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4580 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4581 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4583 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4584 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4585 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4586 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4587 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4588 if(board[BOARD_HEIGHT-1][k] == bKing)
4589 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4590 if(gameInfo.variant == VariantTwoKings) {
4591 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4592 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4593 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4596 r = boards[moveNum][CASTLING][0] = initialRights[0];
4597 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4598 r = boards[moveNum][CASTLING][1] = initialRights[1];
4599 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4600 r = boards[moveNum][CASTLING][3] = initialRights[3];
4601 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4602 r = boards[moveNum][CASTLING][4] = initialRights[4];
4603 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4604 /* wildcastle kludge: always assume King has rights */
4605 r = boards[moveNum][CASTLING][2] = initialRights[2];
4606 r = boards[moveNum][CASTLING][5] = initialRights[5];
4608 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4609 boards[moveNum][EP_STATUS] = EP_NONE;
4610 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4611 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4612 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4615 if (ics_getting_history == H_GOT_REQ_HEADER ||
4616 ics_getting_history == H_GOT_UNREQ_HEADER) {
4617 /* This was an initial position from a move list, not
4618 the current position */
4622 /* Update currentMove and known move number limits */
4623 newMove = newGame || moveNum > forwardMostMove;
4626 forwardMostMove = backwardMostMove = currentMove = moveNum;
4627 if (gameMode == IcsExamining && moveNum == 0) {
4628 /* Workaround for ICS limitation: we are not told the wild
4629 type when starting to examine a game. But if we ask for
4630 the move list, the move list header will tell us */
4631 ics_getting_history = H_REQUESTED;
4632 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4635 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4636 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4638 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4639 /* [HGM] applied this also to an engine that is silently watching */
4640 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4641 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4642 gameInfo.variant == currentlyInitializedVariant) {
4643 takeback = forwardMostMove - moveNum;
4644 for (i = 0; i < takeback; i++) {
4645 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4646 SendToProgram("undo\n", &first);
4651 forwardMostMove = moveNum;
4652 if (!pausing || currentMove > forwardMostMove)
4653 currentMove = forwardMostMove;
4655 /* New part of history that is not contiguous with old part */
4656 if (pausing && gameMode == IcsExamining) {
4657 pauseExamInvalid = TRUE;
4658 forwardMostMove = pauseExamForwardMostMove;
4661 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4663 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4664 // [HGM] when we will receive the move list we now request, it will be
4665 // fed to the engine from the first move on. So if the engine is not
4666 // in the initial position now, bring it there.
4667 InitChessProgram(&first, 0);
4670 ics_getting_history = H_REQUESTED;
4671 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4674 forwardMostMove = backwardMostMove = currentMove = moveNum;
4677 /* Update the clocks */
4678 if (strchr(elapsed_time, '.')) {
4680 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4681 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4683 /* Time is in seconds */
4684 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4685 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4690 if (appData.zippyPlay && newGame &&
4691 gameMode != IcsObserving && gameMode != IcsIdle &&
4692 gameMode != IcsExamining)
4693 ZippyFirstBoard(moveNum, basetime, increment);
4696 /* Put the move on the move list, first converting
4697 to canonical algebraic form. */
4699 if (appData.debugMode) {
4700 int f = forwardMostMove;
4701 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4702 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4703 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4704 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4705 fprintf(debugFP, "moveNum = %d\n", moveNum);
4706 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4707 setbuf(debugFP, NULL);
4709 if (moveNum <= backwardMostMove) {
4710 /* We don't know what the board looked like before
4712 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4713 strcat(parseList[moveNum - 1], " ");
4714 strcat(parseList[moveNum - 1], elapsed_time);
4715 moveList[moveNum - 1][0] = NULLCHAR;
4716 } else if (strcmp(move_str, "none") == 0) {
4717 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4718 /* Again, we don't know what the board looked like;
4719 this is really the start of the game. */
4720 parseList[moveNum - 1][0] = NULLCHAR;
4721 moveList[moveNum - 1][0] = NULLCHAR;
4722 backwardMostMove = moveNum;
4723 startedFromSetupPosition = TRUE;
4724 fromX = fromY = toX = toY = -1;
4726 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4727 // So we parse the long-algebraic move string in stead of the SAN move
4728 int valid; char buf[MSG_SIZ], *prom;
4730 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4731 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4732 // str looks something like "Q/a1-a2"; kill the slash
4734 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4735 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4736 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4737 strcat(buf, prom); // long move lacks promo specification!
4738 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4739 if(appData.debugMode)
4740 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4741 safeStrCpy(move_str, buf, MSG_SIZ);
4743 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4744 &fromX, &fromY, &toX, &toY, &promoChar)
4745 || ParseOneMove(buf, moveNum - 1, &moveType,
4746 &fromX, &fromY, &toX, &toY, &promoChar);
4747 // end of long SAN patch
4749 (void) CoordsToAlgebraic(boards[moveNum - 1],
4750 PosFlags(moveNum - 1),
4751 fromY, fromX, toY, toX, promoChar,
4752 parseList[moveNum-1]);
4753 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4759 if(gameInfo.variant != VariantShogi)
4760 strcat(parseList[moveNum - 1], "+");
4763 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4764 strcat(parseList[moveNum - 1], "#");
4767 strcat(parseList[moveNum - 1], " ");
4768 strcat(parseList[moveNum - 1], elapsed_time);
4769 /* currentMoveString is set as a side-effect of ParseOneMove */
4770 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4771 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4772 strcat(moveList[moveNum - 1], "\n");
4774 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4775 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4776 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4777 ChessSquare old, new = boards[moveNum][k][j];
4778 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4779 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4780 if(old == new) continue;
4781 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4782 else if(new == WhiteWazir || new == BlackWazir) {
4783 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4784 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4785 else boards[moveNum][k][j] = old; // preserve type of Gold
4786 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4787 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4790 /* Move from ICS was illegal!? Punt. */
4791 if (appData.debugMode) {
4792 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4793 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4795 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4796 strcat(parseList[moveNum - 1], " ");
4797 strcat(parseList[moveNum - 1], elapsed_time);
4798 moveList[moveNum - 1][0] = NULLCHAR;
4799 fromX = fromY = toX = toY = -1;
4802 if (appData.debugMode) {
4803 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4804 setbuf(debugFP, NULL);
4808 /* Send move to chess program (BEFORE animating it). */
4809 if (appData.zippyPlay && !newGame && newMove &&
4810 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4812 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4813 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4814 if (moveList[moveNum - 1][0] == NULLCHAR) {
4815 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4817 DisplayError(str, 0);
4819 if (first.sendTime) {
4820 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4822 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4823 if (firstMove && !bookHit) {
4825 if (first.useColors) {
4826 SendToProgram(gameMode == IcsPlayingWhite ?
4828 "black\ngo\n", &first);
4830 SendToProgram("go\n", &first);
4832 first.maybeThinking = TRUE;
4835 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4836 if (moveList[moveNum - 1][0] == NULLCHAR) {
4837 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4838 DisplayError(str, 0);
4840 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4841 SendMoveToProgram(moveNum - 1, &first);
4848 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4849 /* If move comes from a remote source, animate it. If it
4850 isn't remote, it will have already been animated. */
4851 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4852 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4854 if (!pausing && appData.highlightLastMove) {
4855 SetHighlights(fromX, fromY, toX, toY);
4859 /* Start the clocks */
4860 whiteFlag = blackFlag = FALSE;
4861 appData.clockMode = !(basetime == 0 && increment == 0);
4863 ics_clock_paused = TRUE;
4865 } else if (ticking == 1) {
4866 ics_clock_paused = FALSE;
4868 if (gameMode == IcsIdle ||
4869 relation == RELATION_OBSERVING_STATIC ||
4870 relation == RELATION_EXAMINING ||
4872 DisplayBothClocks();
4876 /* Display opponents and material strengths */
4877 if (gameInfo.variant != VariantBughouse &&
4878 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4879 if (tinyLayout || smallLayout) {
4880 if(gameInfo.variant == VariantNormal)
4881 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4882 gameInfo.white, white_stren, gameInfo.black, black_stren,
4883 basetime, increment);
4885 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4886 gameInfo.white, white_stren, gameInfo.black, black_stren,
4887 basetime, increment, (int) gameInfo.variant);
4889 if(gameInfo.variant == VariantNormal)
4890 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4891 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4892 basetime, increment);
4894 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4895 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4896 basetime, increment, VariantName(gameInfo.variant));
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4905 /* Display the board */
4906 if (!pausing && !appData.noGUI) {
4908 if (appData.premove)
4910 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4911 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4912 ClearPremoveHighlights();
4914 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4915 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4916 DrawPosition(j, boards[currentMove]);
4918 DisplayMove(moveNum - 1);
4919 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4920 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4921 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4922 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4926 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4928 if(bookHit) { // [HGM] book: simulate book reply
4929 static char bookMove[MSG_SIZ]; // a bit generous?
4931 programStats.nodes = programStats.depth = programStats.time =
4932 programStats.score = programStats.got_only_move = 0;
4933 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4935 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4936 strcat(bookMove, bookHit);
4937 HandleMachineMove(bookMove, &first);
4946 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4947 ics_getting_history = H_REQUESTED;
4948 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4954 SendToBoth (char *msg)
4955 { // to make it easy to keep two engines in step in dual analysis
4956 SendToProgram(msg, &first);
4957 if(second.analyzing) SendToProgram(msg, &second);
4961 AnalysisPeriodicEvent (int force)
4963 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4964 && !force) || !appData.periodicUpdates)
4967 /* Send . command to Crafty to collect stats */
4970 /* Don't send another until we get a response (this makes
4971 us stop sending to old Crafty's which don't understand
4972 the "." command (sending illegal cmds resets node count & time,
4973 which looks bad)) */
4974 programStats.ok_to_send = 0;
4978 ics_update_width (int new_width)
4980 ics_printf("set width %d\n", new_width);
4984 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4988 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4989 // null move in variant where engine does not understand it (for analysis purposes)
4990 SendBoard(cps, moveNum + 1); // send position after move in stead.
4993 if (cps->useUsermove) {
4994 SendToProgram("usermove ", cps);
4998 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4999 int len = space - parseList[moveNum];
5000 memcpy(buf, parseList[moveNum], len);
5002 buf[len] = NULLCHAR;
5004 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5006 SendToProgram(buf, cps);
5008 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5009 AlphaRank(moveList[moveNum], 4);
5010 SendToProgram(moveList[moveNum], cps);
5011 AlphaRank(moveList[moveNum], 4); // and back
5013 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5014 * the engine. It would be nice to have a better way to identify castle
5016 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5017 && cps->useOOCastle) {
5018 int fromX = moveList[moveNum][0] - AAA;
5019 int fromY = moveList[moveNum][1] - ONE;
5020 int toX = moveList[moveNum][2] - AAA;
5021 int toY = moveList[moveNum][3] - ONE;
5022 if((boards[moveNum][fromY][fromX] == WhiteKing
5023 && boards[moveNum][toY][toX] == WhiteRook)
5024 || (boards[moveNum][fromY][fromX] == BlackKing
5025 && boards[moveNum][toY][toX] == BlackRook)) {
5026 if(toX > fromX) SendToProgram("O-O\n", cps);
5027 else SendToProgram("O-O-O\n", cps);
5029 else SendToProgram(moveList[moveNum], cps);
5031 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5032 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5033 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5034 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5035 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5037 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5038 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5039 SendToProgram(buf, cps);
5041 else SendToProgram(moveList[moveNum], cps);
5042 /* End of additions by Tord */
5045 /* [HGM] setting up the opening has brought engine in force mode! */
5046 /* Send 'go' if we are in a mode where machine should play. */
5047 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5048 (gameMode == TwoMachinesPlay ||
5050 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5052 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5053 SendToProgram("go\n", cps);
5054 if (appData.debugMode) {
5055 fprintf(debugFP, "(extra)\n");
5058 setboardSpoiledMachineBlack = 0;
5062 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5064 char user_move[MSG_SIZ];
5067 if(gameInfo.variant == VariantSChess && promoChar) {
5068 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5069 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5070 } else suffix[0] = NULLCHAR;
5074 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5075 (int)moveType, fromX, fromY, toX, toY);
5076 DisplayError(user_move + strlen("say "), 0);
5078 case WhiteKingSideCastle:
5079 case BlackKingSideCastle:
5080 case WhiteQueenSideCastleWild:
5081 case BlackQueenSideCastleWild:
5083 case WhiteHSideCastleFR:
5084 case BlackHSideCastleFR:
5086 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5088 case WhiteQueenSideCastle:
5089 case BlackQueenSideCastle:
5090 case WhiteKingSideCastleWild:
5091 case BlackKingSideCastleWild:
5093 case WhiteASideCastleFR:
5094 case BlackASideCastleFR:
5096 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5098 case WhiteNonPromotion:
5099 case BlackNonPromotion:
5100 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5102 case WhitePromotion:
5103 case BlackPromotion:
5104 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5105 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5106 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5107 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5108 PieceToChar(WhiteFerz));
5109 else if(gameInfo.variant == VariantGreat)
5110 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5111 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5112 PieceToChar(WhiteMan));
5114 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5115 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5121 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5122 ToUpper(PieceToChar((ChessSquare) fromX)),
5123 AAA + toX, ONE + toY);
5125 case IllegalMove: /* could be a variant we don't quite understand */
5126 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5128 case WhiteCapturesEnPassant:
5129 case BlackCapturesEnPassant:
5130 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5131 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5134 SendToICS(user_move);
5135 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5136 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5141 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5142 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5143 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5144 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5145 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5148 if(gameMode != IcsExamining) { // is this ever not the case?
5149 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5151 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5152 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5153 } else { // on FICS we must first go to general examine mode
5154 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5156 if(gameInfo.variant != VariantNormal) {
5157 // try figure out wild number, as xboard names are not always valid on ICS
5158 for(i=1; i<=36; i++) {
5159 snprintf(buf, MSG_SIZ, "wild/%d", i);
5160 if(StringToVariant(buf) == gameInfo.variant) break;
5162 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5163 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5164 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5165 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5166 SendToICS(ics_prefix);
5168 if(startedFromSetupPosition || backwardMostMove != 0) {
5169 fen = PositionToFEN(backwardMostMove, NULL, 1);
5170 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5171 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5173 } else { // FICS: everything has to set by separate bsetup commands
5174 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5175 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5177 if(!WhiteOnMove(backwardMostMove)) {
5178 SendToICS("bsetup tomove black\n");
5180 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5181 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5183 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5184 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5186 i = boards[backwardMostMove][EP_STATUS];
5187 if(i >= 0) { // set e.p.
5188 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5194 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5195 SendToICS("bsetup done\n"); // switch to normal examining.
5197 for(i = backwardMostMove; i<last; i++) {
5199 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5200 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5201 int len = strlen(moveList[i]);
5202 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5203 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5207 SendToICS(ics_prefix);
5208 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5212 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5214 if (rf == DROP_RANK) {
5215 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5216 sprintf(move, "%c@%c%c\n",
5217 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5219 if (promoChar == 'x' || promoChar == NULLCHAR) {
5220 sprintf(move, "%c%c%c%c\n",
5221 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5223 sprintf(move, "%c%c%c%c%c\n",
5224 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5230 ProcessICSInitScript (FILE *f)
5234 while (fgets(buf, MSG_SIZ, f)) {
5235 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5242 static int lastX, lastY, selectFlag, dragging;
5247 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5248 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5249 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5250 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5251 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5252 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5255 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5256 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5257 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5258 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5259 if(!step) step = -1;
5260 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5261 appData.testLegality && (promoSweep == king ||
5262 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5264 int victim = boards[currentMove][toY][toX];
5265 boards[currentMove][toY][toX] = promoSweep;
5266 DrawPosition(FALSE, boards[currentMove]);
5267 boards[currentMove][toY][toX] = victim;
5269 ChangeDragPiece(promoSweep);
5273 PromoScroll (int x, int y)
5277 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5278 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5279 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5280 if(!step) return FALSE;
5281 lastX = x; lastY = y;
5282 if((promoSweep < BlackPawn) == flipView) step = -step;
5283 if(step > 0) selectFlag = 1;
5284 if(!selectFlag) Sweep(step);
5289 NextPiece (int step)
5291 ChessSquare piece = boards[currentMove][toY][toX];
5294 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5295 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5296 if(!step) step = -1;
5297 } while(PieceToChar(pieceSweep) == '.');
5298 boards[currentMove][toY][toX] = pieceSweep;
5299 DrawPosition(FALSE, boards[currentMove]);
5300 boards[currentMove][toY][toX] = piece;
5302 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5304 AlphaRank (char *move, int n)
5306 // char *p = move, c; int x, y;
5308 if (appData.debugMode) {
5309 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5313 move[2]>='0' && move[2]<='9' &&
5314 move[3]>='a' && move[3]<='x' ) {
5316 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5319 if(move[0]>='0' && move[0]<='9' &&
5320 move[1]>='a' && move[1]<='x' &&
5321 move[2]>='0' && move[2]<='9' &&
5322 move[3]>='a' && move[3]<='x' ) {
5323 /* input move, Shogi -> normal */
5324 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5325 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5326 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5327 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5330 move[3]>='0' && move[3]<='9' &&
5331 move[2]>='a' && move[2]<='x' ) {
5333 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5334 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5337 move[0]>='a' && move[0]<='x' &&
5338 move[3]>='0' && move[3]<='9' &&
5339 move[2]>='a' && move[2]<='x' ) {
5340 /* output move, normal -> Shogi */
5341 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5342 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5343 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5344 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5345 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5347 if (appData.debugMode) {
5348 fprintf(debugFP, " out = '%s'\n", move);
5352 char yy_textstr[8000];
5354 /* Parser for moves from gnuchess, ICS, or user typein box */
5356 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5358 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5360 switch (*moveType) {
5361 case WhitePromotion:
5362 case BlackPromotion:
5363 case WhiteNonPromotion:
5364 case BlackNonPromotion:
5366 case WhiteCapturesEnPassant:
5367 case BlackCapturesEnPassant:
5368 case WhiteKingSideCastle:
5369 case WhiteQueenSideCastle:
5370 case BlackKingSideCastle:
5371 case BlackQueenSideCastle:
5372 case WhiteKingSideCastleWild:
5373 case WhiteQueenSideCastleWild:
5374 case BlackKingSideCastleWild:
5375 case BlackQueenSideCastleWild:
5376 /* Code added by Tord: */
5377 case WhiteHSideCastleFR:
5378 case WhiteASideCastleFR:
5379 case BlackHSideCastleFR:
5380 case BlackASideCastleFR:
5381 /* End of code added by Tord */
5382 case IllegalMove: /* bug or odd chess variant */
5383 *fromX = currentMoveString[0] - AAA;
5384 *fromY = currentMoveString[1] - ONE;
5385 *toX = currentMoveString[2] - AAA;
5386 *toY = currentMoveString[3] - ONE;
5387 *promoChar = currentMoveString[4];
5388 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5389 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5390 if (appData.debugMode) {
5391 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5393 *fromX = *fromY = *toX = *toY = 0;
5396 if (appData.testLegality) {
5397 return (*moveType != IllegalMove);
5399 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5400 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5405 *fromX = *moveType == WhiteDrop ?
5406 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5407 (int) CharToPiece(ToLower(currentMoveString[0]));
5409 *toX = currentMoveString[2] - AAA;
5410 *toY = currentMoveString[3] - ONE;
5411 *promoChar = NULLCHAR;
5415 case ImpossibleMove:
5425 if (appData.debugMode) {
5426 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5429 *fromX = *fromY = *toX = *toY = 0;
5430 *promoChar = NULLCHAR;
5435 Boolean pushed = FALSE;
5436 char *lastParseAttempt;
5439 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5440 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5441 int fromX, fromY, toX, toY; char promoChar;
5446 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5447 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5448 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5451 endPV = forwardMostMove;
5453 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5454 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5455 lastParseAttempt = pv;
5456 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5457 if(!valid && nr == 0 &&
5458 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5459 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5460 // Hande case where played move is different from leading PV move
5461 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5462 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5463 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5464 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5465 endPV += 2; // if position different, keep this
5466 moveList[endPV-1][0] = fromX + AAA;
5467 moveList[endPV-1][1] = fromY + ONE;
5468 moveList[endPV-1][2] = toX + AAA;
5469 moveList[endPV-1][3] = toY + ONE;
5470 parseList[endPV-1][0] = NULLCHAR;
5471 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5474 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5475 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5476 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5477 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5478 valid++; // allow comments in PV
5482 if(endPV+1 > framePtr) break; // no space, truncate
5485 CopyBoard(boards[endPV], boards[endPV-1]);
5486 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5487 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5488 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5489 CoordsToAlgebraic(boards[endPV - 1],
5490 PosFlags(endPV - 1),
5491 fromY, fromX, toY, toX, promoChar,
5492 parseList[endPV - 1]);
5494 if(atEnd == 2) return; // used hidden, for PV conversion
5495 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5496 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5497 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5498 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5499 DrawPosition(TRUE, boards[currentMove]);
5503 MultiPV (ChessProgramState *cps)
5504 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5506 for(i=0; i<cps->nrOptions; i++)
5507 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5512 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5515 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5517 int startPV, multi, lineStart, origIndex = index;
5518 char *p, buf2[MSG_SIZ];
5519 ChessProgramState *cps = (pane ? &second : &first);
5521 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5522 lastX = x; lastY = y;
5523 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5524 lineStart = startPV = index;
5525 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5526 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5528 do{ while(buf[index] && buf[index] != '\n') index++;
5529 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5531 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5532 int n = cps->option[multi].value;
5533 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5534 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5535 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5536 cps->option[multi].value = n;
5539 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5540 ExcludeClick(origIndex - lineStart);
5543 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5544 *start = startPV; *end = index-1;
5545 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5552 static char buf[10*MSG_SIZ];
5553 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5555 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5556 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5557 for(i = forwardMostMove; i<endPV; i++){
5558 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5559 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5562 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5563 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5564 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5570 LoadPV (int x, int y)
5571 { // called on right mouse click to load PV
5572 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5573 lastX = x; lastY = y;
5574 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5582 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5583 if(endPV < 0) return;
5584 if(appData.autoCopyPV) CopyFENToClipboard();
5586 if(extendGame && currentMove > forwardMostMove) {
5587 Boolean saveAnimate = appData.animate;
5589 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5590 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5591 } else storedGames--; // abandon shelved tail of original game
5594 forwardMostMove = currentMove;
5595 currentMove = oldFMM;
5596 appData.animate = FALSE;
5597 ToNrEvent(forwardMostMove);
5598 appData.animate = saveAnimate;
5600 currentMove = forwardMostMove;
5601 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5602 ClearPremoveHighlights();
5603 DrawPosition(TRUE, boards[currentMove]);
5607 MovePV (int x, int y, int h)
5608 { // step through PV based on mouse coordinates (called on mouse move)
5609 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5611 // we must somehow check if right button is still down (might be released off board!)
5612 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5613 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5614 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5616 lastX = x; lastY = y;
5618 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5619 if(endPV < 0) return;
5620 if(y < margin) step = 1; else
5621 if(y > h - margin) step = -1;
5622 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5623 currentMove += step;
5624 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5625 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5626 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5627 DrawPosition(FALSE, boards[currentMove]);
5631 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5632 // All positions will have equal probability, but the current method will not provide a unique
5633 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5639 int piecesLeft[(int)BlackPawn];
5640 int seed, nrOfShuffles;
5643 GetPositionNumber ()
5644 { // sets global variable seed
5647 seed = appData.defaultFrcPosition;
5648 if(seed < 0) { // randomize based on time for negative FRC position numbers
5649 for(i=0; i<50; i++) seed += random();
5650 seed = random() ^ random() >> 8 ^ random() << 8;
5651 if(seed<0) seed = -seed;
5656 put (Board board, int pieceType, int rank, int n, int shade)
5657 // put the piece on the (n-1)-th empty squares of the given shade
5661 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5662 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5663 board[rank][i] = (ChessSquare) pieceType;
5664 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5666 piecesLeft[pieceType]--;
5675 AddOnePiece (Board board, int pieceType, int rank, int shade)
5676 // calculate where the next piece goes, (any empty square), and put it there
5680 i = seed % squaresLeft[shade];
5681 nrOfShuffles *= squaresLeft[shade];
5682 seed /= squaresLeft[shade];
5683 put(board, pieceType, rank, i, shade);
5687 AddTwoPieces (Board board, int pieceType, int rank)
5688 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5690 int i, n=squaresLeft[ANY], j=n-1, k;
5692 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5693 i = seed % k; // pick one
5696 while(i >= j) i -= j--;
5697 j = n - 1 - j; i += j;
5698 put(board, pieceType, rank, j, ANY);
5699 put(board, pieceType, rank, i, ANY);
5703 SetUpShuffle (Board board, int number)
5707 GetPositionNumber(); nrOfShuffles = 1;
5709 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5710 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5711 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5713 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5716 p = (int) board[0][i];
5717 if(p < (int) BlackPawn) piecesLeft[p] ++;
5718 board[0][i] = EmptySquare;
5721 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5722 // shuffles restricted to allow normal castling put KRR first
5723 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5724 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5725 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5726 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5727 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5728 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5729 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5730 put(board, WhiteRook, 0, 0, ANY);
5731 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5734 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5735 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5736 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5737 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5738 while(piecesLeft[p] >= 2) {
5739 AddOnePiece(board, p, 0, LITE);
5740 AddOnePiece(board, p, 0, DARK);
5742 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5745 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5746 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5747 // but we leave King and Rooks for last, to possibly obey FRC restriction
5748 if(p == (int)WhiteRook) continue;
5749 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5750 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5753 // now everything is placed, except perhaps King (Unicorn) and Rooks
5755 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5756 // Last King gets castling rights
5757 while(piecesLeft[(int)WhiteUnicorn]) {
5758 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5759 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5762 while(piecesLeft[(int)WhiteKing]) {
5763 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5764 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5769 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5770 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5773 // Only Rooks can be left; simply place them all
5774 while(piecesLeft[(int)WhiteRook]) {
5775 i = put(board, WhiteRook, 0, 0, ANY);
5776 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5779 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5781 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5784 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5785 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5788 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5792 SetCharTable (char *table, const char * map)
5793 /* [HGM] moved here from winboard.c because of its general usefulness */
5794 /* Basically a safe strcpy that uses the last character as King */
5796 int result = FALSE; int NrPieces;
5798 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5799 && NrPieces >= 12 && !(NrPieces&1)) {
5800 int i; /* [HGM] Accept even length from 12 to 34 */
5802 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5803 for( i=0; i<NrPieces/2-1; i++ ) {
5805 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5807 table[(int) WhiteKing] = map[NrPieces/2-1];
5808 table[(int) BlackKing] = map[NrPieces-1];
5817 Prelude (Board board)
5818 { // [HGM] superchess: random selection of exo-pieces
5819 int i, j, k; ChessSquare p;
5820 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5822 GetPositionNumber(); // use FRC position number
5824 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5825 SetCharTable(pieceToChar, appData.pieceToCharTable);
5826 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5827 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5830 j = seed%4; seed /= 4;
5831 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5832 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5833 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5834 j = seed%3 + (seed%3 >= j); seed /= 3;
5835 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5836 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5837 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5838 j = seed%3; seed /= 3;
5839 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5840 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5841 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5842 j = seed%2 + (seed%2 >= j); seed /= 2;
5843 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5844 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5845 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5846 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5847 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5848 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5849 put(board, exoPieces[0], 0, 0, ANY);
5850 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5854 InitPosition (int redraw)
5856 ChessSquare (* pieces)[BOARD_FILES];
5857 int i, j, pawnRow, overrule,
5858 oldx = gameInfo.boardWidth,
5859 oldy = gameInfo.boardHeight,
5860 oldh = gameInfo.holdingsWidth;
5863 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5865 /* [AS] Initialize pv info list [HGM] and game status */
5867 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5868 pvInfoList[i].depth = 0;
5869 boards[i][EP_STATUS] = EP_NONE;
5870 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5873 initialRulePlies = 0; /* 50-move counter start */
5875 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5876 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5880 /* [HGM] logic here is completely changed. In stead of full positions */
5881 /* the initialized data only consist of the two backranks. The switch */
5882 /* selects which one we will use, which is than copied to the Board */
5883 /* initialPosition, which for the rest is initialized by Pawns and */
5884 /* empty squares. This initial position is then copied to boards[0], */
5885 /* possibly after shuffling, so that it remains available. */
5887 gameInfo.holdingsWidth = 0; /* default board sizes */
5888 gameInfo.boardWidth = 8;
5889 gameInfo.boardHeight = 8;
5890 gameInfo.holdingsSize = 0;
5891 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5892 for(i=0; i<BOARD_FILES-2; i++)
5893 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5894 initialPosition[EP_STATUS] = EP_NONE;
5895 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5896 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5897 SetCharTable(pieceNickName, appData.pieceNickNames);
5898 else SetCharTable(pieceNickName, "............");
5901 switch (gameInfo.variant) {
5902 case VariantFischeRandom:
5903 shuffleOpenings = TRUE;
5906 case VariantShatranj:
5907 pieces = ShatranjArray;
5908 nrCastlingRights = 0;
5909 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5912 pieces = makrukArray;
5913 nrCastlingRights = 0;
5914 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5917 pieces = aseanArray;
5918 nrCastlingRights = 0;
5919 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5921 case VariantTwoKings:
5922 pieces = twoKingsArray;
5925 pieces = GrandArray;
5926 nrCastlingRights = 0;
5927 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5928 gameInfo.boardWidth = 10;
5929 gameInfo.boardHeight = 10;
5930 gameInfo.holdingsSize = 7;
5932 case VariantCapaRandom:
5933 shuffleOpenings = TRUE;
5934 case VariantCapablanca:
5935 pieces = CapablancaArray;
5936 gameInfo.boardWidth = 10;
5937 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5940 pieces = GothicArray;
5941 gameInfo.boardWidth = 10;
5942 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5945 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5946 gameInfo.holdingsSize = 7;
5947 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5950 pieces = JanusArray;
5951 gameInfo.boardWidth = 10;
5952 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5953 nrCastlingRights = 6;
5954 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5955 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5956 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5957 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5958 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5959 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5962 pieces = FalconArray;
5963 gameInfo.boardWidth = 10;
5964 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5966 case VariantXiangqi:
5967 pieces = XiangqiArray;
5968 gameInfo.boardWidth = 9;
5969 gameInfo.boardHeight = 10;
5970 nrCastlingRights = 0;
5971 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5974 pieces = ShogiArray;
5975 gameInfo.boardWidth = 9;
5976 gameInfo.boardHeight = 9;
5977 gameInfo.holdingsSize = 7;
5978 nrCastlingRights = 0;
5979 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5981 case VariantCourier:
5982 pieces = CourierArray;
5983 gameInfo.boardWidth = 12;
5984 nrCastlingRights = 0;
5985 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5987 case VariantKnightmate:
5988 pieces = KnightmateArray;
5989 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5991 case VariantSpartan:
5992 pieces = SpartanArray;
5993 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5996 pieces = fairyArray;
5997 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6000 pieces = GreatArray;
6001 gameInfo.boardWidth = 10;
6002 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6003 gameInfo.holdingsSize = 8;
6007 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6008 gameInfo.holdingsSize = 8;
6009 startedFromSetupPosition = TRUE;
6011 case VariantCrazyhouse:
6012 case VariantBughouse:
6014 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6015 gameInfo.holdingsSize = 5;
6017 case VariantWildCastle:
6019 /* !!?shuffle with kings guaranteed to be on d or e file */
6020 shuffleOpenings = 1;
6022 case VariantNoCastle:
6024 nrCastlingRights = 0;
6025 /* !!?unconstrained back-rank shuffle */
6026 shuffleOpenings = 1;
6031 if(appData.NrFiles >= 0) {
6032 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6033 gameInfo.boardWidth = appData.NrFiles;
6035 if(appData.NrRanks >= 0) {
6036 gameInfo.boardHeight = appData.NrRanks;
6038 if(appData.holdingsSize >= 0) {
6039 i = appData.holdingsSize;
6040 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6041 gameInfo.holdingsSize = i;
6043 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6044 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6045 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6047 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6048 if(pawnRow < 1) pawnRow = 1;
6049 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6051 /* User pieceToChar list overrules defaults */
6052 if(appData.pieceToCharTable != NULL)
6053 SetCharTable(pieceToChar, appData.pieceToCharTable);
6055 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6057 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6058 s = (ChessSquare) 0; /* account holding counts in guard band */
6059 for( i=0; i<BOARD_HEIGHT; i++ )
6060 initialPosition[i][j] = s;
6062 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6063 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6064 initialPosition[pawnRow][j] = WhitePawn;
6065 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6066 if(gameInfo.variant == VariantXiangqi) {
6068 initialPosition[pawnRow][j] =
6069 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6070 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6071 initialPosition[2][j] = WhiteCannon;
6072 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6076 if(gameInfo.variant == VariantGrand) {
6077 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6078 initialPosition[0][j] = WhiteRook;
6079 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6082 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6084 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6087 initialPosition[1][j] = WhiteBishop;
6088 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6090 initialPosition[1][j] = WhiteRook;
6091 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6094 if( nrCastlingRights == -1) {
6095 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6096 /* This sets default castling rights from none to normal corners */
6097 /* Variants with other castling rights must set them themselves above */
6098 nrCastlingRights = 6;
6100 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6101 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6102 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6103 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6104 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6105 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6108 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6109 if(gameInfo.variant == VariantGreat) { // promotion commoners
6110 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6111 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6112 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6113 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6115 if( gameInfo.variant == VariantSChess ) {
6116 initialPosition[1][0] = BlackMarshall;
6117 initialPosition[2][0] = BlackAngel;
6118 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6119 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6120 initialPosition[1][1] = initialPosition[2][1] =
6121 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6123 if (appData.debugMode) {
6124 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6126 if(shuffleOpenings) {
6127 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6128 startedFromSetupPosition = TRUE;
6130 if(startedFromPositionFile) {
6131 /* [HGM] loadPos: use PositionFile for every new game */
6132 CopyBoard(initialPosition, filePosition);
6133 for(i=0; i<nrCastlingRights; i++)
6134 initialRights[i] = filePosition[CASTLING][i];
6135 startedFromSetupPosition = TRUE;
6138 CopyBoard(boards[0], initialPosition);
6140 if(oldx != gameInfo.boardWidth ||
6141 oldy != gameInfo.boardHeight ||
6142 oldv != gameInfo.variant ||
6143 oldh != gameInfo.holdingsWidth
6145 InitDrawingSizes(-2 ,0);
6147 oldv = gameInfo.variant;
6149 DrawPosition(TRUE, boards[currentMove]);
6153 SendBoard (ChessProgramState *cps, int moveNum)
6155 char message[MSG_SIZ];
6157 if (cps->useSetboard) {
6158 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6159 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6160 SendToProgram(message, cps);
6165 int i, j, left=0, right=BOARD_WIDTH;
6166 /* Kludge to set black to move, avoiding the troublesome and now
6167 * deprecated "black" command.
6169 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6170 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6172 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6174 SendToProgram("edit\n", cps);
6175 SendToProgram("#\n", cps);
6176 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6177 bp = &boards[moveNum][i][left];
6178 for (j = left; j < right; j++, bp++) {
6179 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6180 if ((int) *bp < (int) BlackPawn) {
6181 if(j == BOARD_RGHT+1)
6182 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6183 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6184 if(message[0] == '+' || message[0] == '~') {
6185 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6186 PieceToChar((ChessSquare)(DEMOTED *bp)),
6189 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6190 message[1] = BOARD_RGHT - 1 - j + '1';
6191 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6193 SendToProgram(message, cps);
6198 SendToProgram("c\n", cps);
6199 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6200 bp = &boards[moveNum][i][left];
6201 for (j = left; j < right; j++, bp++) {
6202 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6203 if (((int) *bp != (int) EmptySquare)
6204 && ((int) *bp >= (int) BlackPawn)) {
6205 if(j == BOARD_LEFT-2)
6206 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6207 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6209 if(message[0] == '+' || message[0] == '~') {
6210 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6211 PieceToChar((ChessSquare)(DEMOTED *bp)),
6214 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6215 message[1] = BOARD_RGHT - 1 - j + '1';
6216 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6218 SendToProgram(message, cps);
6223 SendToProgram(".\n", cps);
6225 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6228 char exclusionHeader[MSG_SIZ];
6229 int exCnt, excludePtr;
6230 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6231 static Exclusion excluTab[200];
6232 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6238 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6239 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6245 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6246 excludePtr = 24; exCnt = 0;
6251 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6252 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6253 char buf[2*MOVE_LEN], *p;
6254 Exclusion *e = excluTab;
6256 for(i=0; i<exCnt; i++)
6257 if(e[i].ff == fromX && e[i].fr == fromY &&
6258 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6259 if(i == exCnt) { // was not in exclude list; add it
6260 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6261 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6262 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6265 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6266 excludePtr++; e[i].mark = excludePtr++;
6267 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6270 exclusionHeader[e[i].mark] = state;
6274 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6275 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6279 if((signed char)promoChar == -1) { // kludge to indicate best move
6280 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6281 return 1; // if unparsable, abort
6283 // update exclusion map (resolving toggle by consulting existing state)
6284 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6286 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6287 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6288 excludeMap[k] |= 1<<j;
6289 else excludeMap[k] &= ~(1<<j);
6291 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6293 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6294 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6296 return (state == '+');
6300 ExcludeClick (int index)
6303 Exclusion *e = excluTab;
6304 if(index < 25) { // none, best or tail clicked
6305 if(index < 13) { // none: include all
6306 WriteMap(0); // clear map
6307 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6308 SendToBoth("include all\n"); // and inform engine
6309 } else if(index > 18) { // tail
6310 if(exclusionHeader[19] == '-') { // tail was excluded
6311 SendToBoth("include all\n");
6312 WriteMap(0); // clear map completely
6313 // now re-exclude selected moves
6314 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6315 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6316 } else { // tail was included or in mixed state
6317 SendToBoth("exclude all\n");
6318 WriteMap(0xFF); // fill map completely
6319 // now re-include selected moves
6320 j = 0; // count them
6321 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6322 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6323 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6326 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6329 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6330 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6331 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6338 DefaultPromoChoice (int white)
6341 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6342 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6343 result = WhiteFerz; // no choice
6344 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6345 result= WhiteKing; // in Suicide Q is the last thing we want
6346 else if(gameInfo.variant == VariantSpartan)
6347 result = white ? WhiteQueen : WhiteAngel;
6348 else result = WhiteQueen;
6349 if(!white) result = WHITE_TO_BLACK result;
6353 static int autoQueen; // [HGM] oneclick
6356 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6358 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6359 /* [HGM] add Shogi promotions */
6360 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6365 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6366 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6368 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6369 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6372 piece = boards[currentMove][fromY][fromX];
6373 if(gameInfo.variant == VariantShogi) {
6374 promotionZoneSize = BOARD_HEIGHT/3;
6375 highestPromotingPiece = (int)WhiteFerz;
6376 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6377 promotionZoneSize = 3;
6380 // Treat Lance as Pawn when it is not representing Amazon
6381 if(gameInfo.variant != VariantSuper) {
6382 if(piece == WhiteLance) piece = WhitePawn; else
6383 if(piece == BlackLance) piece = BlackPawn;
6386 // next weed out all moves that do not touch the promotion zone at all
6387 if((int)piece >= BlackPawn) {
6388 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6390 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6392 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6393 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6396 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6398 // weed out mandatory Shogi promotions
6399 if(gameInfo.variant == VariantShogi) {
6400 if(piece >= BlackPawn) {
6401 if(toY == 0 && piece == BlackPawn ||
6402 toY == 0 && piece == BlackQueen ||
6403 toY <= 1 && piece == BlackKnight) {
6408 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6409 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6410 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6417 // weed out obviously illegal Pawn moves
6418 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6419 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6420 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6421 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6422 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6423 // note we are not allowed to test for valid (non-)capture, due to premove
6426 // we either have a choice what to promote to, or (in Shogi) whether to promote
6427 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6428 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6429 *promoChoice = PieceToChar(BlackFerz); // no choice
6432 // no sense asking what we must promote to if it is going to explode...
6433 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6434 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6437 // give caller the default choice even if we will not make it
6438 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6439 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6440 if( sweepSelect && gameInfo.variant != VariantGreat
6441 && gameInfo.variant != VariantGrand
6442 && gameInfo.variant != VariantSuper) return FALSE;
6443 if(autoQueen) return FALSE; // predetermined
6445 // suppress promotion popup on illegal moves that are not premoves
6446 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6447 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6448 if(appData.testLegality && !premove) {
6449 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6450 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6451 if(moveType != WhitePromotion && moveType != BlackPromotion)
6459 InPalace (int row, int column)
6460 { /* [HGM] for Xiangqi */
6461 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6462 column < (BOARD_WIDTH + 4)/2 &&
6463 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6468 PieceForSquare (int x, int y)
6470 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6473 return boards[currentMove][y][x];
6477 OKToStartUserMove (int x, int y)
6479 ChessSquare from_piece;
6482 if (matchMode) return FALSE;
6483 if (gameMode == EditPosition) return TRUE;
6485 if (x >= 0 && y >= 0)
6486 from_piece = boards[currentMove][y][x];
6488 from_piece = EmptySquare;
6490 if (from_piece == EmptySquare) return FALSE;
6492 white_piece = (int)from_piece >= (int)WhitePawn &&
6493 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6497 case TwoMachinesPlay:
6505 case MachinePlaysWhite:
6506 case IcsPlayingBlack:
6507 if (appData.zippyPlay) return FALSE;
6509 DisplayMoveError(_("You are playing Black"));
6514 case MachinePlaysBlack:
6515 case IcsPlayingWhite:
6516 if (appData.zippyPlay) return FALSE;
6518 DisplayMoveError(_("You are playing White"));
6523 case PlayFromGameFile:
6524 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6526 if (!white_piece && WhiteOnMove(currentMove)) {
6527 DisplayMoveError(_("It is White's turn"));
6530 if (white_piece && !WhiteOnMove(currentMove)) {
6531 DisplayMoveError(_("It is Black's turn"));
6534 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6535 /* Editing correspondence game history */
6536 /* Could disallow this or prompt for confirmation */
6541 case BeginningOfGame:
6542 if (appData.icsActive) return FALSE;
6543 if (!appData.noChessProgram) {
6545 DisplayMoveError(_("You are playing White"));
6552 if (!white_piece && WhiteOnMove(currentMove)) {
6553 DisplayMoveError(_("It is White's turn"));
6556 if (white_piece && !WhiteOnMove(currentMove)) {
6557 DisplayMoveError(_("It is Black's turn"));
6566 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6567 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6568 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6569 && gameMode != AnalyzeFile && gameMode != Training) {
6570 DisplayMoveError(_("Displayed position is not current"));
6577 OnlyMove (int *x, int *y, Boolean captures)
6579 DisambiguateClosure cl;
6580 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6582 case MachinePlaysBlack:
6583 case IcsPlayingWhite:
6584 case BeginningOfGame:
6585 if(!WhiteOnMove(currentMove)) return FALSE;
6587 case MachinePlaysWhite:
6588 case IcsPlayingBlack:
6589 if(WhiteOnMove(currentMove)) return FALSE;
6596 cl.pieceIn = EmptySquare;
6601 cl.promoCharIn = NULLCHAR;
6602 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6603 if( cl.kind == NormalMove ||
6604 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6605 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6606 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6613 if(cl.kind != ImpossibleMove) return FALSE;
6614 cl.pieceIn = EmptySquare;
6619 cl.promoCharIn = NULLCHAR;
6620 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6621 if( cl.kind == NormalMove ||
6622 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6623 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6624 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6629 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6635 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6636 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6637 int lastLoadGameUseList = FALSE;
6638 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6639 ChessMove lastLoadGameStart = EndOfFile;
6643 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6647 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6649 /* Check if the user is playing in turn. This is complicated because we
6650 let the user "pick up" a piece before it is his turn. So the piece he
6651 tried to pick up may have been captured by the time he puts it down!
6652 Therefore we use the color the user is supposed to be playing in this
6653 test, not the color of the piece that is currently on the starting
6654 square---except in EditGame mode, where the user is playing both
6655 sides; fortunately there the capture race can't happen. (It can
6656 now happen in IcsExamining mode, but that's just too bad. The user
6657 will get a somewhat confusing message in that case.)
6662 case TwoMachinesPlay:
6666 /* We switched into a game mode where moves are not accepted,
6667 perhaps while the mouse button was down. */
6670 case MachinePlaysWhite:
6671 /* User is moving for Black */
6672 if (WhiteOnMove(currentMove)) {
6673 DisplayMoveError(_("It is White's turn"));
6678 case MachinePlaysBlack:
6679 /* User is moving for White */
6680 if (!WhiteOnMove(currentMove)) {
6681 DisplayMoveError(_("It is Black's turn"));
6686 case PlayFromGameFile:
6687 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6690 case BeginningOfGame:
6693 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6694 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6695 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6696 /* User is moving for Black */
6697 if (WhiteOnMove(currentMove)) {
6698 DisplayMoveError(_("It is White's turn"));
6702 /* User is moving for White */
6703 if (!WhiteOnMove(currentMove)) {
6704 DisplayMoveError(_("It is Black's turn"));
6710 case IcsPlayingBlack:
6711 /* User is moving for Black */
6712 if (WhiteOnMove(currentMove)) {
6713 if (!appData.premove) {
6714 DisplayMoveError(_("It is White's turn"));
6715 } else if (toX >= 0 && toY >= 0) {
6718 premoveFromX = fromX;
6719 premoveFromY = fromY;
6720 premovePromoChar = promoChar;
6722 if (appData.debugMode)
6723 fprintf(debugFP, "Got premove: fromX %d,"
6724 "fromY %d, toX %d, toY %d\n",
6725 fromX, fromY, toX, toY);
6731 case IcsPlayingWhite:
6732 /* User is moving for White */
6733 if (!WhiteOnMove(currentMove)) {
6734 if (!appData.premove) {
6735 DisplayMoveError(_("It is Black's turn"));
6736 } else if (toX >= 0 && toY >= 0) {
6739 premoveFromX = fromX;
6740 premoveFromY = fromY;
6741 premovePromoChar = promoChar;
6743 if (appData.debugMode)
6744 fprintf(debugFP, "Got premove: fromX %d,"
6745 "fromY %d, toX %d, toY %d\n",
6746 fromX, fromY, toX, toY);
6756 /* EditPosition, empty square, or different color piece;
6757 click-click move is possible */
6758 if (toX == -2 || toY == -2) {
6759 boards[0][fromY][fromX] = EmptySquare;
6760 DrawPosition(FALSE, boards[currentMove]);
6762 } else if (toX >= 0 && toY >= 0) {
6763 boards[0][toY][toX] = boards[0][fromY][fromX];
6764 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6765 if(boards[0][fromY][0] != EmptySquare) {
6766 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6767 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6770 if(fromX == BOARD_RGHT+1) {
6771 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6772 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6773 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6776 boards[0][fromY][fromX] = gatingPiece;
6777 DrawPosition(FALSE, boards[currentMove]);
6783 if(toX < 0 || toY < 0) return;
6784 pup = boards[currentMove][toY][toX];
6786 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6787 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6788 if( pup != EmptySquare ) return;
6789 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6790 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6791 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6792 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6793 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6794 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6795 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6799 /* [HGM] always test for legality, to get promotion info */
6800 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6801 fromY, fromX, toY, toX, promoChar);
6803 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6805 /* [HGM] but possibly ignore an IllegalMove result */
6806 if (appData.testLegality) {
6807 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6808 DisplayMoveError(_("Illegal move"));
6813 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6814 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6815 ClearPremoveHighlights(); // was included
6816 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6820 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6823 /* Common tail of UserMoveEvent and DropMenuEvent */
6825 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6829 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6830 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6831 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6832 if(WhiteOnMove(currentMove)) {
6833 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6835 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6839 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6840 move type in caller when we know the move is a legal promotion */
6841 if(moveType == NormalMove && promoChar)
6842 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6844 /* [HGM] <popupFix> The following if has been moved here from
6845 UserMoveEvent(). Because it seemed to belong here (why not allow
6846 piece drops in training games?), and because it can only be
6847 performed after it is known to what we promote. */
6848 if (gameMode == Training) {
6849 /* compare the move played on the board to the next move in the
6850 * game. If they match, display the move and the opponent's response.
6851 * If they don't match, display an error message.
6855 CopyBoard(testBoard, boards[currentMove]);
6856 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6858 if (CompareBoards(testBoard, boards[currentMove+1])) {
6859 ForwardInner(currentMove+1);
6861 /* Autoplay the opponent's response.
6862 * if appData.animate was TRUE when Training mode was entered,
6863 * the response will be animated.
6865 saveAnimate = appData.animate;
6866 appData.animate = animateTraining;
6867 ForwardInner(currentMove+1);
6868 appData.animate = saveAnimate;
6870 /* check for the end of the game */
6871 if (currentMove >= forwardMostMove) {
6872 gameMode = PlayFromGameFile;
6874 SetTrainingModeOff();
6875 DisplayInformation(_("End of game"));
6878 DisplayError(_("Incorrect move"), 0);
6883 /* Ok, now we know that the move is good, so we can kill
6884 the previous line in Analysis Mode */
6885 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6886 && currentMove < forwardMostMove) {
6887 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6888 else forwardMostMove = currentMove;
6893 /* If we need the chess program but it's dead, restart it */
6894 ResurrectChessProgram();
6896 /* A user move restarts a paused game*/
6900 thinkOutput[0] = NULLCHAR;
6902 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6904 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6905 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6909 if (gameMode == BeginningOfGame) {
6910 if (appData.noChessProgram) {
6911 gameMode = EditGame;
6915 gameMode = MachinePlaysBlack;
6918 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6920 if (first.sendName) {
6921 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6922 SendToProgram(buf, &first);
6929 /* Relay move to ICS or chess engine */
6930 if (appData.icsActive) {
6931 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6932 gameMode == IcsExamining) {
6933 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6934 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6936 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6938 // also send plain move, in case ICS does not understand atomic claims
6939 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6943 if (first.sendTime && (gameMode == BeginningOfGame ||
6944 gameMode == MachinePlaysWhite ||
6945 gameMode == MachinePlaysBlack)) {
6946 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6948 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6949 // [HGM] book: if program might be playing, let it use book
6950 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6951 first.maybeThinking = TRUE;
6952 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6953 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6954 SendBoard(&first, currentMove+1);
6955 if(second.analyzing) {
6956 if(!second.useSetboard) SendToProgram("undo\n", &second);
6957 SendBoard(&second, currentMove+1);
6960 SendMoveToProgram(forwardMostMove-1, &first);
6961 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6963 if (currentMove == cmailOldMove + 1) {
6964 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6968 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6972 if(appData.testLegality)
6973 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6979 if (WhiteOnMove(currentMove)) {
6980 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6982 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6986 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6991 case MachinePlaysBlack:
6992 case MachinePlaysWhite:
6993 /* disable certain menu options while machine is thinking */
6994 SetMachineThinkingEnables();
7001 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7002 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7004 if(bookHit) { // [HGM] book: simulate book reply
7005 static char bookMove[MSG_SIZ]; // a bit generous?
7007 programStats.nodes = programStats.depth = programStats.time =
7008 programStats.score = programStats.got_only_move = 0;
7009 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7011 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7012 strcat(bookMove, bookHit);
7013 HandleMachineMove(bookMove, &first);
7019 MarkByFEN(char *fen)
7022 if(!appData.markers || !appData.highlightDragging) return;
7023 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7024 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7028 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7029 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7030 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7031 if(*fen == 'T') marker[r][f++] = 0; else
7032 if(*fen == 'Y') marker[r][f++] = 1; else
7033 if(*fen == 'G') marker[r][f++] = 3; else
7034 if(*fen == 'B') marker[r][f++] = 4; else
7035 if(*fen == 'C') marker[r][f++] = 5; else
7036 if(*fen == 'M') marker[r][f++] = 6; else
7037 if(*fen == 'W') marker[r][f++] = 7; else
7038 if(*fen == 'D') marker[r][f++] = 8; else
7039 if(*fen == 'R') marker[r][f++] = 2; else {
7040 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7043 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7047 DrawPosition(TRUE, NULL);
7051 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7053 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7054 Markers *m = (Markers *) closure;
7055 if(rf == fromY && ff == fromX)
7056 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7057 || kind == WhiteCapturesEnPassant
7058 || kind == BlackCapturesEnPassant);
7059 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7063 MarkTargetSquares (int clear)
7066 if(clear) { // no reason to ever suppress clearing
7067 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7068 if(!sum) return; // nothing was cleared,no redraw needed
7071 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7072 !appData.testLegality || gameMode == EditPosition) return;
7073 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7074 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7075 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7077 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7080 DrawPosition(FALSE, NULL);
7084 Explode (Board board, int fromX, int fromY, int toX, int toY)
7086 if(gameInfo.variant == VariantAtomic &&
7087 (board[toY][toX] != EmptySquare || // capture?
7088 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7089 board[fromY][fromX] == BlackPawn )
7091 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7097 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7100 CanPromote (ChessSquare piece, int y)
7102 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7103 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7104 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7105 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7106 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7107 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7108 return (piece == BlackPawn && y == 1 ||
7109 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7110 piece == BlackLance && y == 1 ||
7111 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7114 void ReportClick(char *action, int x, int y)
7116 char buf[MSG_SIZ]; // Inform engine of what user does
7118 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7119 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7120 if(!first.highlight || gameMode == EditPosition) return;
7121 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7122 SendToProgram(buf, &first);
7126 LeftClick (ClickType clickType, int xPix, int yPix)
7129 Boolean saveAnimate;
7130 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7131 char promoChoice = NULLCHAR;
7133 static TimeMark lastClickTime, prevClickTime;
7135 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7137 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7139 if (clickType == Press) ErrorPopDown();
7141 x = EventToSquare(xPix, BOARD_WIDTH);
7142 y = EventToSquare(yPix, BOARD_HEIGHT);
7143 if (!flipView && y >= 0) {
7144 y = BOARD_HEIGHT - 1 - y;
7146 if (flipView && x >= 0) {
7147 x = BOARD_WIDTH - 1 - x;
7150 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7151 defaultPromoChoice = promoSweep;
7152 promoSweep = EmptySquare; // terminate sweep
7153 promoDefaultAltered = TRUE;
7154 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7157 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7158 if(clickType == Release) return; // ignore upclick of click-click destination
7159 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7160 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7161 if(gameInfo.holdingsWidth &&
7162 (WhiteOnMove(currentMove)
7163 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7164 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7165 // click in right holdings, for determining promotion piece
7166 ChessSquare p = boards[currentMove][y][x];
7167 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7168 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7169 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7170 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7175 DrawPosition(FALSE, boards[currentMove]);
7179 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7180 if(clickType == Press
7181 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7182 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7183 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7186 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7187 // could be static click on premove from-square: abort premove
7189 ClearPremoveHighlights();
7192 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7193 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7195 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7196 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7197 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7198 defaultPromoChoice = DefaultPromoChoice(side);
7201 autoQueen = appData.alwaysPromoteToQueen;
7205 gatingPiece = EmptySquare;
7206 if (clickType != Press) {
7207 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7208 DragPieceEnd(xPix, yPix); dragging = 0;
7209 DrawPosition(FALSE, NULL);
7213 doubleClick = FALSE;
7214 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7215 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7217 fromX = x; fromY = y; toX = toY = -1;
7218 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7219 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7220 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7222 if (OKToStartUserMove(fromX, fromY)) {
7224 ReportClick("lift", x, y);
7225 MarkTargetSquares(0);
7226 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7227 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7228 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7229 promoSweep = defaultPromoChoice;
7230 selectFlag = 0; lastX = xPix; lastY = yPix;
7231 Sweep(0); // Pawn that is going to promote: preview promotion piece
7232 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7234 if (appData.highlightDragging) {
7235 SetHighlights(fromX, fromY, -1, -1);
7239 } else fromX = fromY = -1;
7245 if (clickType == Press && gameMode != EditPosition) {
7250 // ignore off-board to clicks
7251 if(y < 0 || x < 0) return;
7253 /* Check if clicking again on the same color piece */
7254 fromP = boards[currentMove][fromY][fromX];
7255 toP = boards[currentMove][y][x];
7256 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7257 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7258 WhitePawn <= toP && toP <= WhiteKing &&
7259 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7260 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7261 (BlackPawn <= fromP && fromP <= BlackKing &&
7262 BlackPawn <= toP && toP <= BlackKing &&
7263 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7264 !(fromP == BlackKing && toP == BlackRook && frc))) {
7265 /* Clicked again on same color piece -- changed his mind */
7266 second = (x == fromX && y == fromY);
7267 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7268 second = FALSE; // first double-click rather than scond click
7269 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7271 promoDefaultAltered = FALSE;
7272 MarkTargetSquares(1);
7273 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7274 if (appData.highlightDragging) {
7275 SetHighlights(x, y, -1, -1);
7279 if (OKToStartUserMove(x, y)) {
7280 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7281 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7282 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7283 gatingPiece = boards[currentMove][fromY][fromX];
7284 else gatingPiece = doubleClick ? fromP : EmptySquare;
7286 fromY = y; dragging = 1;
7287 ReportClick("lift", x, y);
7288 MarkTargetSquares(0);
7289 DragPieceBegin(xPix, yPix, FALSE);
7290 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7291 promoSweep = defaultPromoChoice;
7292 selectFlag = 0; lastX = xPix; lastY = yPix;
7293 Sweep(0); // Pawn that is going to promote: preview promotion piece
7297 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7300 // ignore clicks on holdings
7301 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7304 if (clickType == Release && x == fromX && y == fromY) {
7305 DragPieceEnd(xPix, yPix); dragging = 0;
7307 // a deferred attempt to click-click move an empty square on top of a piece
7308 boards[currentMove][y][x] = EmptySquare;
7310 DrawPosition(FALSE, boards[currentMove]);
7311 fromX = fromY = -1; clearFlag = 0;
7314 if (appData.animateDragging) {
7315 /* Undo animation damage if any */
7316 DrawPosition(FALSE, NULL);
7318 if (second || sweepSelecting) {
7319 /* Second up/down in same square; just abort move */
7320 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7321 second = sweepSelecting = 0;
7323 gatingPiece = EmptySquare;
7324 MarkTargetSquares(1);
7327 ClearPremoveHighlights();
7329 /* First upclick in same square; start click-click mode */
7330 SetHighlights(x, y, -1, -1);
7337 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x]) {
7338 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7339 DisplayMessage(_("only marked squares are legal"),"");
7340 DrawPosition(TRUE, NULL);
7341 return; // ignore to-click
7344 /* we now have a different from- and (possibly off-board) to-square */
7345 /* Completed move */
7346 if(!sweepSelecting) {
7349 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7351 saveAnimate = appData.animate;
7352 if (clickType == Press) {
7353 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7354 // must be Edit Position mode with empty-square selected
7355 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7356 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7359 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7360 if(appData.sweepSelect) {
7361 ChessSquare piece = boards[currentMove][fromY][fromX];
7362 promoSweep = defaultPromoChoice;
7363 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7364 selectFlag = 0; lastX = xPix; lastY = yPix;
7365 Sweep(0); // Pawn that is going to promote: preview promotion piece
7367 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7368 MarkTargetSquares(1);
7370 return; // promo popup appears on up-click
7372 /* Finish clickclick move */
7373 if (appData.animate || appData.highlightLastMove) {
7374 SetHighlights(fromX, fromY, toX, toY);
7380 // [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
7381 /* Finish drag move */
7382 if (appData.highlightLastMove) {
7383 SetHighlights(fromX, fromY, toX, toY);
7388 DragPieceEnd(xPix, yPix); dragging = 0;
7389 /* Don't animate move and drag both */
7390 appData.animate = FALSE;
7393 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7394 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7395 ChessSquare piece = boards[currentMove][fromY][fromX];
7396 if(gameMode == EditPosition && piece != EmptySquare &&
7397 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7400 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7401 n = PieceToNumber(piece - (int)BlackPawn);
7402 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7403 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7404 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7406 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7407 n = PieceToNumber(piece);
7408 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7409 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7410 boards[currentMove][n][BOARD_WIDTH-2]++;
7412 boards[currentMove][fromY][fromX] = EmptySquare;
7416 MarkTargetSquares(1);
7417 DrawPosition(TRUE, boards[currentMove]);
7421 // off-board moves should not be highlighted
7422 if(x < 0 || y < 0) ClearHighlights();
7423 else ReportClick("put", x, y);
7425 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7427 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7428 SetHighlights(fromX, fromY, toX, toY);
7429 MarkTargetSquares(1);
7430 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7431 // [HGM] super: promotion to captured piece selected from holdings
7432 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7433 promotionChoice = TRUE;
7434 // kludge follows to temporarily execute move on display, without promoting yet
7435 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7436 boards[currentMove][toY][toX] = p;
7437 DrawPosition(FALSE, boards[currentMove]);
7438 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7439 boards[currentMove][toY][toX] = q;
7440 DisplayMessage("Click in holdings to choose piece", "");
7445 int oldMove = currentMove;
7446 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7447 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7448 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7449 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7450 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7451 DrawPosition(TRUE, boards[currentMove]);
7452 MarkTargetSquares(1);
7455 appData.animate = saveAnimate;
7456 if (appData.animate || appData.animateDragging) {
7457 /* Undo animation damage if needed */
7458 DrawPosition(FALSE, NULL);
7463 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7464 { // front-end-free part taken out of PieceMenuPopup
7465 int whichMenu; int xSqr, ySqr;
7467 if(seekGraphUp) { // [HGM] seekgraph
7468 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7469 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7473 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7474 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7475 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7476 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7477 if(action == Press) {
7478 originalFlip = flipView;
7479 flipView = !flipView; // temporarily flip board to see game from partners perspective
7480 DrawPosition(TRUE, partnerBoard);
7481 DisplayMessage(partnerStatus, "");
7483 } else if(action == Release) {
7484 flipView = originalFlip;
7485 DrawPosition(TRUE, boards[currentMove]);
7491 xSqr = EventToSquare(x, BOARD_WIDTH);
7492 ySqr = EventToSquare(y, BOARD_HEIGHT);
7493 if (action == Release) {
7494 if(pieceSweep != EmptySquare) {
7495 EditPositionMenuEvent(pieceSweep, toX, toY);
7496 pieceSweep = EmptySquare;
7497 } else UnLoadPV(); // [HGM] pv
7499 if (action != Press) return -2; // return code to be ignored
7502 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7504 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7505 if (xSqr < 0 || ySqr < 0) return -1;
7506 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7507 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7508 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7509 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7513 if(!appData.icsEngineAnalyze) return -1;
7514 case IcsPlayingWhite:
7515 case IcsPlayingBlack:
7516 if(!appData.zippyPlay) goto noZip;
7519 case MachinePlaysWhite:
7520 case MachinePlaysBlack:
7521 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7522 if (!appData.dropMenu) {
7524 return 2; // flag front-end to grab mouse events
7526 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7527 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7530 if (xSqr < 0 || ySqr < 0) return -1;
7531 if (!appData.dropMenu || appData.testLegality &&
7532 gameInfo.variant != VariantBughouse &&
7533 gameInfo.variant != VariantCrazyhouse) return -1;
7534 whichMenu = 1; // drop menu
7540 if (((*fromX = xSqr) < 0) ||
7541 ((*fromY = ySqr) < 0)) {
7542 *fromX = *fromY = -1;
7546 *fromX = BOARD_WIDTH - 1 - *fromX;
7548 *fromY = BOARD_HEIGHT - 1 - *fromY;
7554 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7556 // char * hint = lastHint;
7557 FrontEndProgramStats stats;
7559 stats.which = cps == &first ? 0 : 1;
7560 stats.depth = cpstats->depth;
7561 stats.nodes = cpstats->nodes;
7562 stats.score = cpstats->score;
7563 stats.time = cpstats->time;
7564 stats.pv = cpstats->movelist;
7565 stats.hint = lastHint;
7566 stats.an_move_index = 0;
7567 stats.an_move_count = 0;
7569 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7570 stats.hint = cpstats->move_name;
7571 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7572 stats.an_move_count = cpstats->nr_moves;
7575 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
7577 SetProgramStats( &stats );
7581 ClearEngineOutputPane (int which)
7583 static FrontEndProgramStats dummyStats;
7584 dummyStats.which = which;
7585 dummyStats.pv = "#";
7586 SetProgramStats( &dummyStats );
7589 #define MAXPLAYERS 500
7592 TourneyStandings (int display)
7594 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7595 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7596 char result, *p, *names[MAXPLAYERS];
7598 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7599 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7600 names[0] = p = strdup(appData.participants);
7601 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7603 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7605 while(result = appData.results[nr]) {
7606 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7607 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7608 wScore = bScore = 0;
7610 case '+': wScore = 2; break;
7611 case '-': bScore = 2; break;
7612 case '=': wScore = bScore = 1; break;
7614 case '*': return strdup("busy"); // tourney not finished
7622 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7623 for(w=0; w<nPlayers; w++) {
7625 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7626 ranking[w] = b; points[w] = bScore; score[b] = -2;
7628 p = malloc(nPlayers*34+1);
7629 for(w=0; w<nPlayers && w<display; w++)
7630 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7636 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7637 { // count all piece types
7639 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7640 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7641 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7644 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7645 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7646 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7647 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7648 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7649 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7654 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7656 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7657 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7659 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7660 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7661 if(myPawns == 2 && nMine == 3) // KPP
7662 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7663 if(myPawns == 1 && nMine == 2) // KP
7664 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7665 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7666 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7667 if(myPawns) return FALSE;
7668 if(pCnt[WhiteRook+side])
7669 return pCnt[BlackRook-side] ||
7670 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7671 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7672 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7673 if(pCnt[WhiteCannon+side]) {
7674 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7675 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7677 if(pCnt[WhiteKnight+side])
7678 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7683 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7685 VariantClass v = gameInfo.variant;
7687 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7688 if(v == VariantShatranj) return TRUE; // always winnable through baring
7689 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7690 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7692 if(v == VariantXiangqi) {
7693 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7695 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7696 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7697 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7698 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7699 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7700 if(stale) // we have at least one last-rank P plus perhaps C
7701 return majors // KPKX
7702 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7704 return pCnt[WhiteFerz+side] // KCAK
7705 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7706 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7707 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7709 } else if(v == VariantKnightmate) {
7710 if(nMine == 1) return FALSE;
7711 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7712 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7713 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7715 if(nMine == 1) return FALSE; // bare King
7716 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
7717 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7718 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7719 // by now we have King + 1 piece (or multiple Bishops on the same color)
7720 if(pCnt[WhiteKnight+side])
7721 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7722 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7723 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7725 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7726 if(pCnt[WhiteAlfil+side])
7727 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7728 if(pCnt[WhiteWazir+side])
7729 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7736 CompareWithRights (Board b1, Board b2)
7739 if(!CompareBoards(b1, b2)) return FALSE;
7740 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7741 /* compare castling rights */
7742 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7743 rights++; /* King lost rights, while rook still had them */
7744 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7745 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7746 rights++; /* but at least one rook lost them */
7748 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7750 if( b1[CASTLING][5] != NoRights ) {
7751 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7758 Adjudicate (ChessProgramState *cps)
7759 { // [HGM] some adjudications useful with buggy engines
7760 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7761 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7762 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7763 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7764 int k, drop, count = 0; static int bare = 1;
7765 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7766 Boolean canAdjudicate = !appData.icsActive;
7768 // most tests only when we understand the game, i.e. legality-checking on
7769 if( appData.testLegality )
7770 { /* [HGM] Some more adjudications for obstinate engines */
7771 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7772 static int moveCount = 6;
7774 char *reason = NULL;
7776 /* Count what is on board. */
7777 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7779 /* Some material-based adjudications that have to be made before stalemate test */
7780 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7781 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7782 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7783 if(canAdjudicate && appData.checkMates) {
7785 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7786 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7787 "Xboard adjudication: King destroyed", GE_XBOARD );
7792 /* Bare King in Shatranj (loses) or Losers (wins) */
7793 if( nrW == 1 || nrB == 1) {
7794 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7795 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7796 if(canAdjudicate && appData.checkMates) {
7798 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7799 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7800 "Xboard adjudication: Bare king", GE_XBOARD );
7804 if( gameInfo.variant == VariantShatranj && --bare < 0)
7806 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7807 if(canAdjudicate && appData.checkMates) {
7808 /* but only adjudicate if adjudication enabled */
7810 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7811 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7812 "Xboard adjudication: Bare king", GE_XBOARD );
7819 // don't wait for engine to announce game end if we can judge ourselves
7820 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7822 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7823 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7824 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7825 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7828 reason = "Xboard adjudication: 3rd check";
7829 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7839 reason = "Xboard adjudication: Stalemate";
7840 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7841 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7842 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7843 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7844 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7845 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7846 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7847 EP_CHECKMATE : EP_WINS);
7848 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7849 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7853 reason = "Xboard adjudication: Checkmate";
7854 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7855 if(gameInfo.variant == VariantShogi) {
7856 if(forwardMostMove > backwardMostMove
7857 && moveList[forwardMostMove-1][1] == '@'
7858 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7859 reason = "XBoard adjudication: pawn-drop mate";
7860 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7866 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7868 result = GameIsDrawn; break;
7870 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7872 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7876 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7878 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7879 GameEnds( result, reason, GE_XBOARD );
7883 /* Next absolutely insufficient mating material. */
7884 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7885 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7886 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7888 /* always flag draws, for judging claims */
7889 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7891 if(canAdjudicate && appData.materialDraws) {
7892 /* but only adjudicate them if adjudication enabled */
7893 if(engineOpponent) {
7894 SendToProgram("force\n", engineOpponent); // suppress reply
7895 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7897 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7902 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7903 if(gameInfo.variant == VariantXiangqi ?
7904 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7906 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7907 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7908 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7909 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7911 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7912 { /* if the first 3 moves do not show a tactical win, declare draw */
7913 if(engineOpponent) {
7914 SendToProgram("force\n", engineOpponent); // suppress reply
7915 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7917 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7920 } else moveCount = 6;
7923 // Repetition draws and 50-move rule can be applied independently of legality testing
7925 /* Check for rep-draws */
7927 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7928 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7929 for(k = forwardMostMove-2;
7930 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7931 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7932 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7935 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7936 /* compare castling rights */
7937 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7938 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7939 rights++; /* King lost rights, while rook still had them */
7940 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7941 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7942 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7943 rights++; /* but at least one rook lost them */
7945 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7946 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7948 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7949 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7950 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7953 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7954 && appData.drawRepeats > 1) {
7955 /* adjudicate after user-specified nr of repeats */
7956 int result = GameIsDrawn;
7957 char *details = "XBoard adjudication: repetition draw";
7958 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7959 // [HGM] xiangqi: check for forbidden perpetuals
7960 int m, ourPerpetual = 1, hisPerpetual = 1;
7961 for(m=forwardMostMove; m>k; m-=2) {
7962 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7963 ourPerpetual = 0; // the current mover did not always check
7964 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7965 hisPerpetual = 0; // the opponent did not always check
7967 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7968 ourPerpetual, hisPerpetual);
7969 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7970 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7971 details = "Xboard adjudication: perpetual checking";
7973 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7974 break; // (or we would have caught him before). Abort repetition-checking loop.
7976 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7977 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7979 details = "Xboard adjudication: repetition";
7981 } else // it must be XQ
7982 // Now check for perpetual chases
7983 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7984 hisPerpetual = PerpetualChase(k, forwardMostMove);
7985 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7986 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7987 static char resdet[MSG_SIZ];
7988 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7990 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7992 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7993 break; // Abort repetition-checking loop.
7995 // if neither of us is checking or chasing all the time, or both are, it is draw
7997 if(engineOpponent) {
7998 SendToProgram("force\n", engineOpponent); // suppress reply
7999 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8001 GameEnds( result, details, GE_XBOARD );
8004 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8005 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8009 /* Now we test for 50-move draws. Determine ply count */
8010 count = forwardMostMove;
8011 /* look for last irreversble move */
8012 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8014 /* if we hit starting position, add initial plies */
8015 if( count == backwardMostMove )
8016 count -= initialRulePlies;
8017 count = forwardMostMove - count;
8018 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8019 // adjust reversible move counter for checks in Xiangqi
8020 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8021 if(i < backwardMostMove) i = backwardMostMove;
8022 while(i <= forwardMostMove) {
8023 lastCheck = inCheck; // check evasion does not count
8024 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8025 if(inCheck || lastCheck) count--; // check does not count
8030 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8031 /* this is used to judge if draw claims are legal */
8032 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8033 if(engineOpponent) {
8034 SendToProgram("force\n", engineOpponent); // suppress reply
8035 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8037 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8041 /* if draw offer is pending, treat it as a draw claim
8042 * when draw condition present, to allow engines a way to
8043 * claim draws before making their move to avoid a race
8044 * condition occurring after their move
8046 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8048 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8049 p = "Draw claim: 50-move rule";
8050 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8051 p = "Draw claim: 3-fold repetition";
8052 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8053 p = "Draw claim: insufficient mating material";
8054 if( p != NULL && canAdjudicate) {
8055 if(engineOpponent) {
8056 SendToProgram("force\n", engineOpponent); // suppress reply
8057 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8059 GameEnds( GameIsDrawn, p, GE_XBOARD );
8064 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8065 if(engineOpponent) {
8066 SendToProgram("force\n", engineOpponent); // suppress reply
8067 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8069 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8076 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8077 { // [HGM] book: this routine intercepts moves to simulate book replies
8078 char *bookHit = NULL;
8080 //first determine if the incoming move brings opponent into his book
8081 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8082 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8083 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8084 if(bookHit != NULL && !cps->bookSuspend) {
8085 // make sure opponent is not going to reply after receiving move to book position
8086 SendToProgram("force\n", cps);
8087 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8089 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8090 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8091 // now arrange restart after book miss
8093 // after a book hit we never send 'go', and the code after the call to this routine
8094 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8095 char buf[MSG_SIZ], *move = bookHit;
8097 int fromX, fromY, toX, toY;
8101 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8102 &fromX, &fromY, &toX, &toY, &promoChar)) {
8103 (void) CoordsToAlgebraic(boards[forwardMostMove],
8104 PosFlags(forwardMostMove),
8105 fromY, fromX, toY, toX, promoChar, move);
8107 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8111 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8112 SendToProgram(buf, cps);
8113 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8114 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8115 SendToProgram("go\n", cps);
8116 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8117 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8118 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8119 SendToProgram("go\n", cps);
8120 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8122 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8126 LoadError (char *errmess, ChessProgramState *cps)
8127 { // unloads engine and switches back to -ncp mode if it was first
8128 if(cps->initDone) return FALSE;
8129 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8130 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8133 appData.noChessProgram = TRUE;
8134 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8135 gameMode = BeginningOfGame; ModeHighlight();
8138 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8139 DisplayMessage("", ""); // erase waiting message
8140 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8145 ChessProgramState *savedState;
8147 DeferredBookMove (void)
8149 if(savedState->lastPing != savedState->lastPong)
8150 ScheduleDelayedEvent(DeferredBookMove, 10);
8152 HandleMachineMove(savedMessage, savedState);
8155 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8156 static ChessProgramState *stalledEngine;
8157 static char stashedInputMove[MSG_SIZ];
8160 HandleMachineMove (char *message, ChessProgramState *cps)
8162 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8163 char realname[MSG_SIZ];
8164 int fromX, fromY, toX, toY;
8168 int machineWhite, oldError;
8171 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8172 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8173 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8174 DisplayError(_("Invalid pairing from pairing engine"), 0);
8177 pairingReceived = 1;
8179 return; // Skim the pairing messages here.
8182 oldError = cps->userError; cps->userError = 0;
8184 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8186 * Kludge to ignore BEL characters
8188 while (*message == '\007') message++;
8191 * [HGM] engine debug message: ignore lines starting with '#' character
8193 if(cps->debug && *message == '#') return;
8196 * Look for book output
8198 if (cps == &first && bookRequested) {
8199 if (message[0] == '\t' || message[0] == ' ') {
8200 /* Part of the book output is here; append it */
8201 strcat(bookOutput, message);
8202 strcat(bookOutput, " \n");
8204 } else if (bookOutput[0] != NULLCHAR) {
8205 /* All of book output has arrived; display it */
8206 char *p = bookOutput;
8207 while (*p != NULLCHAR) {
8208 if (*p == '\t') *p = ' ';
8211 DisplayInformation(bookOutput);
8212 bookRequested = FALSE;
8213 /* Fall through to parse the current output */
8218 * Look for machine move.
8220 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8221 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8223 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8224 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8225 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8226 stalledEngine = cps;
8227 if(appData.ponderNextMove) { // bring opponent out of ponder
8228 if(gameMode == TwoMachinesPlay) {
8229 if(cps->other->pause)
8230 PauseEngine(cps->other);
8232 SendToProgram("easy\n", cps->other);
8239 /* This method is only useful on engines that support ping */
8240 if (cps->lastPing != cps->lastPong) {
8241 if (gameMode == BeginningOfGame) {
8242 /* Extra move from before last new; ignore */
8243 if (appData.debugMode) {
8244 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8247 if (appData.debugMode) {
8248 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8249 cps->which, gameMode);
8252 SendToProgram("undo\n", cps);
8258 case BeginningOfGame:
8259 /* Extra move from before last reset; ignore */
8260 if (appData.debugMode) {
8261 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8268 /* Extra move after we tried to stop. The mode test is
8269 not a reliable way of detecting this problem, but it's
8270 the best we can do on engines that don't support ping.
8272 if (appData.debugMode) {
8273 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8274 cps->which, gameMode);
8276 SendToProgram("undo\n", cps);
8279 case MachinePlaysWhite:
8280 case IcsPlayingWhite:
8281 machineWhite = TRUE;
8284 case MachinePlaysBlack:
8285 case IcsPlayingBlack:
8286 machineWhite = FALSE;
8289 case TwoMachinesPlay:
8290 machineWhite = (cps->twoMachinesColor[0] == 'w');
8293 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8294 if (appData.debugMode) {
8296 "Ignoring move out of turn by %s, gameMode %d"
8297 ", forwardMost %d\n",
8298 cps->which, gameMode, forwardMostMove);
8303 if(cps->alphaRank) AlphaRank(machineMove, 4);
8304 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8305 &fromX, &fromY, &toX, &toY, &promoChar)) {
8306 /* Machine move could not be parsed; ignore it. */
8307 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8308 machineMove, _(cps->which));
8309 DisplayMoveError(buf1);
8310 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8311 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8312 if (gameMode == TwoMachinesPlay) {
8313 GameEnds(machineWhite ? BlackWins : WhiteWins,
8319 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8320 /* So we have to redo legality test with true e.p. status here, */
8321 /* to make sure an illegal e.p. capture does not slip through, */
8322 /* to cause a forfeit on a justified illegal-move complaint */
8323 /* of the opponent. */
8324 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8326 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8327 fromY, fromX, toY, toX, promoChar);
8328 if(moveType == IllegalMove) {
8329 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8330 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8331 GameEnds(machineWhite ? BlackWins : WhiteWins,
8334 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8335 /* [HGM] Kludge to handle engines that send FRC-style castling
8336 when they shouldn't (like TSCP-Gothic) */
8338 case WhiteASideCastleFR:
8339 case BlackASideCastleFR:
8341 currentMoveString[2]++;
8343 case WhiteHSideCastleFR:
8344 case BlackHSideCastleFR:
8346 currentMoveString[2]--;
8348 default: ; // nothing to do, but suppresses warning of pedantic compilers
8351 hintRequested = FALSE;
8352 lastHint[0] = NULLCHAR;
8353 bookRequested = FALSE;
8354 /* Program may be pondering now */
8355 cps->maybeThinking = TRUE;
8356 if (cps->sendTime == 2) cps->sendTime = 1;
8357 if (cps->offeredDraw) cps->offeredDraw--;
8359 /* [AS] Save move info*/
8360 pvInfoList[ forwardMostMove ].score = programStats.score;
8361 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8362 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8364 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8366 /* Test suites abort the 'game' after one move */
8367 if(*appData.finger) {
8369 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8370 if(!f) f = fopen(appData.finger, "w");
8371 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8372 else { DisplayFatalError("Bad output file", errno, 0); return; }
8374 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8377 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8378 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8381 while( count < adjudicateLossPlies ) {
8382 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8385 score = -score; /* Flip score for winning side */
8388 if( score > adjudicateLossThreshold ) {
8395 if( count >= adjudicateLossPlies ) {
8396 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8398 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8399 "Xboard adjudication",
8406 if(Adjudicate(cps)) {
8407 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8408 return; // [HGM] adjudicate: for all automatic game ends
8412 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8414 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8415 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8417 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8419 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8421 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8422 char buf[3*MSG_SIZ];
8424 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8425 programStats.score / 100.,
8427 programStats.time / 100.,
8428 (unsigned int)programStats.nodes,
8429 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8430 programStats.movelist);
8432 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8437 /* [AS] Clear stats for next move */
8438 ClearProgramStats();
8439 thinkOutput[0] = NULLCHAR;
8440 hiddenThinkOutputState = 0;
8443 if (gameMode == TwoMachinesPlay) {
8444 /* [HGM] relaying draw offers moved to after reception of move */
8445 /* and interpreting offer as claim if it brings draw condition */
8446 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8447 SendToProgram("draw\n", cps->other);
8449 if (cps->other->sendTime) {
8450 SendTimeRemaining(cps->other,
8451 cps->other->twoMachinesColor[0] == 'w');
8453 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8454 if (firstMove && !bookHit) {
8456 if (cps->other->useColors) {
8457 SendToProgram(cps->other->twoMachinesColor, cps->other);
8459 SendToProgram("go\n", cps->other);
8461 cps->other->maybeThinking = TRUE;
8464 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8466 if (!pausing && appData.ringBellAfterMoves) {
8471 * Reenable menu items that were disabled while
8472 * machine was thinking
8474 if (gameMode != TwoMachinesPlay)
8475 SetUserThinkingEnables();
8477 // [HGM] book: after book hit opponent has received move and is now in force mode
8478 // force the book reply into it, and then fake that it outputted this move by jumping
8479 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8481 static char bookMove[MSG_SIZ]; // a bit generous?
8483 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8484 strcat(bookMove, bookHit);
8487 programStats.nodes = programStats.depth = programStats.time =
8488 programStats.score = programStats.got_only_move = 0;
8489 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8491 if(cps->lastPing != cps->lastPong) {
8492 savedMessage = message; // args for deferred call
8494 ScheduleDelayedEvent(DeferredBookMove, 10);
8503 /* Set special modes for chess engines. Later something general
8504 * could be added here; for now there is just one kludge feature,
8505 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8506 * when "xboard" is given as an interactive command.
8508 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8509 cps->useSigint = FALSE;
8510 cps->useSigterm = FALSE;
8512 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8513 ParseFeatures(message+8, cps);
8514 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8517 if (!strncmp(message, "setup ", 6) &&
8518 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8519 ) { // [HGM] allow first engine to define opening position
8520 int dummy, s=6; char buf[MSG_SIZ];
8521 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8522 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8523 if(startedFromSetupPosition) return;
8524 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8525 ParseFEN(boards[0], &dummy, message+s);
8526 DrawPosition(TRUE, boards[0]);
8527 startedFromSetupPosition = TRUE;
8530 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8531 * want this, I was asked to put it in, and obliged.
8533 if (!strncmp(message, "setboard ", 9)) {
8534 Board initial_position;
8536 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8538 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8539 DisplayError(_("Bad FEN received from engine"), 0);
8543 CopyBoard(boards[0], initial_position);
8544 initialRulePlies = FENrulePlies;
8545 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8546 else gameMode = MachinePlaysBlack;
8547 DrawPosition(FALSE, boards[currentMove]);
8553 * Look for communication commands
8555 if (!strncmp(message, "telluser ", 9)) {
8556 if(message[9] == '\\' && message[10] == '\\')
8557 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8559 DisplayNote(message + 9);
8562 if (!strncmp(message, "tellusererror ", 14)) {
8564 if(message[14] == '\\' && message[15] == '\\')
8565 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8567 DisplayError(message + 14, 0);
8570 if (!strncmp(message, "tellopponent ", 13)) {
8571 if (appData.icsActive) {
8573 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8577 DisplayNote(message + 13);
8581 if (!strncmp(message, "tellothers ", 11)) {
8582 if (appData.icsActive) {
8584 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8587 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8590 if (!strncmp(message, "tellall ", 8)) {
8591 if (appData.icsActive) {
8593 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8597 DisplayNote(message + 8);
8601 if (strncmp(message, "warning", 7) == 0) {
8602 /* Undocumented feature, use tellusererror in new code */
8603 DisplayError(message, 0);
8606 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8607 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8608 strcat(realname, " query");
8609 AskQuestion(realname, buf2, buf1, cps->pr);
8612 /* Commands from the engine directly to ICS. We don't allow these to be
8613 * sent until we are logged on. Crafty kibitzes have been known to
8614 * interfere with the login process.
8617 if (!strncmp(message, "tellics ", 8)) {
8618 SendToICS(message + 8);
8622 if (!strncmp(message, "tellicsnoalias ", 15)) {
8623 SendToICS(ics_prefix);
8624 SendToICS(message + 15);
8628 /* The following are for backward compatibility only */
8629 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8630 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8631 SendToICS(ics_prefix);
8637 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8640 if(!strncmp(message, "highlight ", 10)) {
8641 if(appData.testLegality && appData.markers) return;
8642 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8646 * If the move is illegal, cancel it and redraw the board.
8647 * Also deal with other error cases. Matching is rather loose
8648 * here to accommodate engines written before the spec.
8650 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8651 strncmp(message, "Error", 5) == 0) {
8652 if (StrStr(message, "name") ||
8653 StrStr(message, "rating") || StrStr(message, "?") ||
8654 StrStr(message, "result") || StrStr(message, "board") ||
8655 StrStr(message, "bk") || StrStr(message, "computer") ||
8656 StrStr(message, "variant") || StrStr(message, "hint") ||
8657 StrStr(message, "random") || StrStr(message, "depth") ||
8658 StrStr(message, "accepted")) {
8661 if (StrStr(message, "protover")) {
8662 /* Program is responding to input, so it's apparently done
8663 initializing, and this error message indicates it is
8664 protocol version 1. So we don't need to wait any longer
8665 for it to initialize and send feature commands. */
8666 FeatureDone(cps, 1);
8667 cps->protocolVersion = 1;
8670 cps->maybeThinking = FALSE;
8672 if (StrStr(message, "draw")) {
8673 /* Program doesn't have "draw" command */
8674 cps->sendDrawOffers = 0;
8677 if (cps->sendTime != 1 &&
8678 (StrStr(message, "time") || StrStr(message, "otim"))) {
8679 /* Program apparently doesn't have "time" or "otim" command */
8683 if (StrStr(message, "analyze")) {
8684 cps->analysisSupport = FALSE;
8685 cps->analyzing = FALSE;
8686 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8687 EditGameEvent(); // [HGM] try to preserve loaded game
8688 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8689 DisplayError(buf2, 0);
8692 if (StrStr(message, "(no matching move)st")) {
8693 /* Special kludge for GNU Chess 4 only */
8694 cps->stKludge = TRUE;
8695 SendTimeControl(cps, movesPerSession, timeControl,
8696 timeIncrement, appData.searchDepth,
8700 if (StrStr(message, "(no matching move)sd")) {
8701 /* Special kludge for GNU Chess 4 only */
8702 cps->sdKludge = TRUE;
8703 SendTimeControl(cps, movesPerSession, timeControl,
8704 timeIncrement, appData.searchDepth,
8708 if (!StrStr(message, "llegal")) {
8711 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8712 gameMode == IcsIdle) return;
8713 if (forwardMostMove <= backwardMostMove) return;
8714 if (pausing) PauseEvent();
8715 if(appData.forceIllegal) {
8716 // [HGM] illegal: machine refused move; force position after move into it
8717 SendToProgram("force\n", cps);
8718 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8719 // we have a real problem now, as SendBoard will use the a2a3 kludge
8720 // when black is to move, while there might be nothing on a2 or black
8721 // might already have the move. So send the board as if white has the move.
8722 // But first we must change the stm of the engine, as it refused the last move
8723 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8724 if(WhiteOnMove(forwardMostMove)) {
8725 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8726 SendBoard(cps, forwardMostMove); // kludgeless board
8728 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8729 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8730 SendBoard(cps, forwardMostMove+1); // kludgeless board
8732 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8733 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8734 gameMode == TwoMachinesPlay)
8735 SendToProgram("go\n", cps);
8738 if (gameMode == PlayFromGameFile) {
8739 /* Stop reading this game file */
8740 gameMode = EditGame;
8743 /* [HGM] illegal-move claim should forfeit game when Xboard */
8744 /* only passes fully legal moves */
8745 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8746 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8747 "False illegal-move claim", GE_XBOARD );
8748 return; // do not take back move we tested as valid
8750 currentMove = forwardMostMove-1;
8751 DisplayMove(currentMove-1); /* before DisplayMoveError */
8752 SwitchClocks(forwardMostMove-1); // [HGM] race
8753 DisplayBothClocks();
8754 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8755 parseList[currentMove], _(cps->which));
8756 DisplayMoveError(buf1);
8757 DrawPosition(FALSE, boards[currentMove]);
8759 SetUserThinkingEnables();
8762 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8763 /* Program has a broken "time" command that
8764 outputs a string not ending in newline.
8770 * If chess program startup fails, exit with an error message.
8771 * Attempts to recover here are futile. [HGM] Well, we try anyway
8773 if ((StrStr(message, "unknown host") != NULL)
8774 || (StrStr(message, "No remote directory") != NULL)
8775 || (StrStr(message, "not found") != NULL)
8776 || (StrStr(message, "No such file") != NULL)
8777 || (StrStr(message, "can't alloc") != NULL)
8778 || (StrStr(message, "Permission denied") != NULL)) {
8780 cps->maybeThinking = FALSE;
8781 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8782 _(cps->which), cps->program, cps->host, message);
8783 RemoveInputSource(cps->isr);
8784 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8785 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8786 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8792 * Look for hint output
8794 if (sscanf(message, "Hint: %s", buf1) == 1) {
8795 if (cps == &first && hintRequested) {
8796 hintRequested = FALSE;
8797 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8798 &fromX, &fromY, &toX, &toY, &promoChar)) {
8799 (void) CoordsToAlgebraic(boards[forwardMostMove],
8800 PosFlags(forwardMostMove),
8801 fromY, fromX, toY, toX, promoChar, buf1);
8802 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8803 DisplayInformation(buf2);
8805 /* Hint move could not be parsed!? */
8806 snprintf(buf2, sizeof(buf2),
8807 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8808 buf1, _(cps->which));
8809 DisplayError(buf2, 0);
8812 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8818 * Ignore other messages if game is not in progress
8820 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8821 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8824 * look for win, lose, draw, or draw offer
8826 if (strncmp(message, "1-0", 3) == 0) {
8827 char *p, *q, *r = "";
8828 p = strchr(message, '{');
8836 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8838 } else if (strncmp(message, "0-1", 3) == 0) {
8839 char *p, *q, *r = "";
8840 p = strchr(message, '{');
8848 /* Kludge for Arasan 4.1 bug */
8849 if (strcmp(r, "Black resigns") == 0) {
8850 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8853 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8855 } else if (strncmp(message, "1/2", 3) == 0) {
8856 char *p, *q, *r = "";
8857 p = strchr(message, '{');
8866 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8869 } else if (strncmp(message, "White resign", 12) == 0) {
8870 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8872 } else if (strncmp(message, "Black resign", 12) == 0) {
8873 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8875 } else if (strncmp(message, "White matches", 13) == 0 ||
8876 strncmp(message, "Black matches", 13) == 0 ) {
8877 /* [HGM] ignore GNUShogi noises */
8879 } else if (strncmp(message, "White", 5) == 0 &&
8880 message[5] != '(' &&
8881 StrStr(message, "Black") == NULL) {
8882 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8884 } else if (strncmp(message, "Black", 5) == 0 &&
8885 message[5] != '(') {
8886 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8888 } else if (strcmp(message, "resign") == 0 ||
8889 strcmp(message, "computer resigns") == 0) {
8891 case MachinePlaysBlack:
8892 case IcsPlayingBlack:
8893 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8895 case MachinePlaysWhite:
8896 case IcsPlayingWhite:
8897 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8899 case TwoMachinesPlay:
8900 if (cps->twoMachinesColor[0] == 'w')
8901 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8903 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8910 } else if (strncmp(message, "opponent mates", 14) == 0) {
8912 case MachinePlaysBlack:
8913 case IcsPlayingBlack:
8914 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8916 case MachinePlaysWhite:
8917 case IcsPlayingWhite:
8918 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8920 case TwoMachinesPlay:
8921 if (cps->twoMachinesColor[0] == 'w')
8922 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8924 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8931 } else if (strncmp(message, "computer mates", 14) == 0) {
8933 case MachinePlaysBlack:
8934 case IcsPlayingBlack:
8935 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8937 case MachinePlaysWhite:
8938 case IcsPlayingWhite:
8939 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8941 case TwoMachinesPlay:
8942 if (cps->twoMachinesColor[0] == 'w')
8943 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8945 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8952 } else if (strncmp(message, "checkmate", 9) == 0) {
8953 if (WhiteOnMove(forwardMostMove)) {
8954 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8956 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8959 } else if (strstr(message, "Draw") != NULL ||
8960 strstr(message, "game is a draw") != NULL) {
8961 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8963 } else if (strstr(message, "offer") != NULL &&
8964 strstr(message, "draw") != NULL) {
8966 if (appData.zippyPlay && first.initDone) {
8967 /* Relay offer to ICS */
8968 SendToICS(ics_prefix);
8969 SendToICS("draw\n");
8972 cps->offeredDraw = 2; /* valid until this engine moves twice */
8973 if (gameMode == TwoMachinesPlay) {
8974 if (cps->other->offeredDraw) {
8975 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8976 /* [HGM] in two-machine mode we delay relaying draw offer */
8977 /* until after we also have move, to see if it is really claim */
8979 } else if (gameMode == MachinePlaysWhite ||
8980 gameMode == MachinePlaysBlack) {
8981 if (userOfferedDraw) {
8982 DisplayInformation(_("Machine accepts your draw offer"));
8983 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8985 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8992 * Look for thinking output
8994 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8995 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8997 int plylev, mvleft, mvtot, curscore, time;
8998 char mvname[MOVE_LEN];
9002 int prefixHint = FALSE;
9003 mvname[0] = NULLCHAR;
9006 case MachinePlaysBlack:
9007 case IcsPlayingBlack:
9008 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9010 case MachinePlaysWhite:
9011 case IcsPlayingWhite:
9012 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9017 case IcsObserving: /* [DM] icsEngineAnalyze */
9018 if (!appData.icsEngineAnalyze) ignore = TRUE;
9020 case TwoMachinesPlay:
9021 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9031 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9033 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9034 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9036 if (plyext != ' ' && plyext != '\t') {
9040 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9041 if( cps->scoreIsAbsolute &&
9042 ( gameMode == MachinePlaysBlack ||
9043 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9044 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9045 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9046 !WhiteOnMove(currentMove)
9049 curscore = -curscore;
9052 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9054 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9057 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9058 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9059 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9060 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9061 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9062 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9064 } else DisplayError(_("failed writing PV"), 0);
9067 tempStats.depth = plylev;
9068 tempStats.nodes = nodes;
9069 tempStats.time = time;
9070 tempStats.score = curscore;
9071 tempStats.got_only_move = 0;
9073 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9076 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9077 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9078 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9079 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9080 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9081 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9082 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9083 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9086 /* Buffer overflow protection */
9087 if (pv[0] != NULLCHAR) {
9088 if (strlen(pv) >= sizeof(tempStats.movelist)
9089 && appData.debugMode) {
9091 "PV is too long; using the first %u bytes.\n",
9092 (unsigned) sizeof(tempStats.movelist) - 1);
9095 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9097 sprintf(tempStats.movelist, " no PV\n");
9100 if (tempStats.seen_stat) {
9101 tempStats.ok_to_send = 1;
9104 if (strchr(tempStats.movelist, '(') != NULL) {
9105 tempStats.line_is_book = 1;
9106 tempStats.nr_moves = 0;
9107 tempStats.moves_left = 0;
9109 tempStats.line_is_book = 0;
9112 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9113 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9115 SendProgramStatsToFrontend( cps, &tempStats );
9118 [AS] Protect the thinkOutput buffer from overflow... this
9119 is only useful if buf1 hasn't overflowed first!
9121 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9123 (gameMode == TwoMachinesPlay ?
9124 ToUpper(cps->twoMachinesColor[0]) : ' '),
9125 ((double) curscore) / 100.0,
9126 prefixHint ? lastHint : "",
9127 prefixHint ? " " : "" );
9129 if( buf1[0] != NULLCHAR ) {
9130 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9132 if( strlen(pv) > max_len ) {
9133 if( appData.debugMode) {
9134 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9136 pv[max_len+1] = '\0';
9139 strcat( thinkOutput, pv);
9142 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9143 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9144 DisplayMove(currentMove - 1);
9148 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9149 /* crafty (9.25+) says "(only move) <move>"
9150 * if there is only 1 legal move
9152 sscanf(p, "(only move) %s", buf1);
9153 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9154 sprintf(programStats.movelist, "%s (only move)", buf1);
9155 programStats.depth = 1;
9156 programStats.nr_moves = 1;
9157 programStats.moves_left = 1;
9158 programStats.nodes = 1;
9159 programStats.time = 1;
9160 programStats.got_only_move = 1;
9162 /* Not really, but we also use this member to
9163 mean "line isn't going to change" (Crafty
9164 isn't searching, so stats won't change) */
9165 programStats.line_is_book = 1;
9167 SendProgramStatsToFrontend( cps, &programStats );
9169 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9170 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9171 DisplayMove(currentMove - 1);
9174 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9175 &time, &nodes, &plylev, &mvleft,
9176 &mvtot, mvname) >= 5) {
9177 /* The stat01: line is from Crafty (9.29+) in response
9178 to the "." command */
9179 programStats.seen_stat = 1;
9180 cps->maybeThinking = TRUE;
9182 if (programStats.got_only_move || !appData.periodicUpdates)
9185 programStats.depth = plylev;
9186 programStats.time = time;
9187 programStats.nodes = nodes;
9188 programStats.moves_left = mvleft;
9189 programStats.nr_moves = mvtot;
9190 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9191 programStats.ok_to_send = 1;
9192 programStats.movelist[0] = '\0';
9194 SendProgramStatsToFrontend( cps, &programStats );
9198 } else if (strncmp(message,"++",2) == 0) {
9199 /* Crafty 9.29+ outputs this */
9200 programStats.got_fail = 2;
9203 } else if (strncmp(message,"--",2) == 0) {
9204 /* Crafty 9.29+ outputs this */
9205 programStats.got_fail = 1;
9208 } else if (thinkOutput[0] != NULLCHAR &&
9209 strncmp(message, " ", 4) == 0) {
9210 unsigned message_len;
9213 while (*p && *p == ' ') p++;
9215 message_len = strlen( p );
9217 /* [AS] Avoid buffer overflow */
9218 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9219 strcat(thinkOutput, " ");
9220 strcat(thinkOutput, p);
9223 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9224 strcat(programStats.movelist, " ");
9225 strcat(programStats.movelist, p);
9228 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9229 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9230 DisplayMove(currentMove - 1);
9238 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9239 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9241 ChessProgramStats cpstats;
9243 if (plyext != ' ' && plyext != '\t') {
9247 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9248 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9249 curscore = -curscore;
9252 cpstats.depth = plylev;
9253 cpstats.nodes = nodes;
9254 cpstats.time = time;
9255 cpstats.score = curscore;
9256 cpstats.got_only_move = 0;
9257 cpstats.movelist[0] = '\0';
9259 if (buf1[0] != NULLCHAR) {
9260 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9263 cpstats.ok_to_send = 0;
9264 cpstats.line_is_book = 0;
9265 cpstats.nr_moves = 0;
9266 cpstats.moves_left = 0;
9268 SendProgramStatsToFrontend( cps, &cpstats );
9275 /* Parse a game score from the character string "game", and
9276 record it as the history of the current game. The game
9277 score is NOT assumed to start from the standard position.
9278 The display is not updated in any way.
9281 ParseGameHistory (char *game)
9284 int fromX, fromY, toX, toY, boardIndex;
9289 if (appData.debugMode)
9290 fprintf(debugFP, "Parsing game history: %s\n", game);
9292 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9293 gameInfo.site = StrSave(appData.icsHost);
9294 gameInfo.date = PGNDate();
9295 gameInfo.round = StrSave("-");
9297 /* Parse out names of players */
9298 while (*game == ' ') game++;
9300 while (*game != ' ') *p++ = *game++;
9302 gameInfo.white = StrSave(buf);
9303 while (*game == ' ') game++;
9305 while (*game != ' ' && *game != '\n') *p++ = *game++;
9307 gameInfo.black = StrSave(buf);
9310 boardIndex = blackPlaysFirst ? 1 : 0;
9313 yyboardindex = boardIndex;
9314 moveType = (ChessMove) Myylex();
9316 case IllegalMove: /* maybe suicide chess, etc. */
9317 if (appData.debugMode) {
9318 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9319 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9320 setbuf(debugFP, NULL);
9322 case WhitePromotion:
9323 case BlackPromotion:
9324 case WhiteNonPromotion:
9325 case BlackNonPromotion:
9327 case WhiteCapturesEnPassant:
9328 case BlackCapturesEnPassant:
9329 case WhiteKingSideCastle:
9330 case WhiteQueenSideCastle:
9331 case BlackKingSideCastle:
9332 case BlackQueenSideCastle:
9333 case WhiteKingSideCastleWild:
9334 case WhiteQueenSideCastleWild:
9335 case BlackKingSideCastleWild:
9336 case BlackQueenSideCastleWild:
9338 case WhiteHSideCastleFR:
9339 case WhiteASideCastleFR:
9340 case BlackHSideCastleFR:
9341 case BlackASideCastleFR:
9343 fromX = currentMoveString[0] - AAA;
9344 fromY = currentMoveString[1] - ONE;
9345 toX = currentMoveString[2] - AAA;
9346 toY = currentMoveString[3] - ONE;
9347 promoChar = currentMoveString[4];
9351 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9352 fromX = moveType == WhiteDrop ?
9353 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9354 (int) CharToPiece(ToLower(currentMoveString[0]));
9356 toX = currentMoveString[2] - AAA;
9357 toY = currentMoveString[3] - ONE;
9358 promoChar = NULLCHAR;
9362 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9363 if (appData.debugMode) {
9364 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9365 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9366 setbuf(debugFP, NULL);
9368 DisplayError(buf, 0);
9370 case ImpossibleMove:
9372 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9373 if (appData.debugMode) {
9374 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9375 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9376 setbuf(debugFP, NULL);
9378 DisplayError(buf, 0);
9381 if (boardIndex < backwardMostMove) {
9382 /* Oops, gap. How did that happen? */
9383 DisplayError(_("Gap in move list"), 0);
9386 backwardMostMove = blackPlaysFirst ? 1 : 0;
9387 if (boardIndex > forwardMostMove) {
9388 forwardMostMove = boardIndex;
9392 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9393 strcat(parseList[boardIndex-1], " ");
9394 strcat(parseList[boardIndex-1], yy_text);
9406 case GameUnfinished:
9407 if (gameMode == IcsExamining) {
9408 if (boardIndex < backwardMostMove) {
9409 /* Oops, gap. How did that happen? */
9412 backwardMostMove = blackPlaysFirst ? 1 : 0;
9415 gameInfo.result = moveType;
9416 p = strchr(yy_text, '{');
9417 if (p == NULL) p = strchr(yy_text, '(');
9420 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9422 q = strchr(p, *p == '{' ? '}' : ')');
9423 if (q != NULL) *q = NULLCHAR;
9426 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9427 gameInfo.resultDetails = StrSave(p);
9430 if (boardIndex >= forwardMostMove &&
9431 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9432 backwardMostMove = blackPlaysFirst ? 1 : 0;
9435 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9436 fromY, fromX, toY, toX, promoChar,
9437 parseList[boardIndex]);
9438 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9439 /* currentMoveString is set as a side-effect of yylex */
9440 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9441 strcat(moveList[boardIndex], "\n");
9443 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9444 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9450 if(gameInfo.variant != VariantShogi)
9451 strcat(parseList[boardIndex - 1], "+");
9455 strcat(parseList[boardIndex - 1], "#");
9462 /* Apply a move to the given board */
9464 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9466 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9467 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9469 /* [HGM] compute & store e.p. status and castling rights for new position */
9470 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9472 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9473 oldEP = (signed char)board[EP_STATUS];
9474 board[EP_STATUS] = EP_NONE;
9476 if (fromY == DROP_RANK) {
9478 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9479 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9482 piece = board[toY][toX] = (ChessSquare) fromX;
9486 if( board[toY][toX] != EmptySquare )
9487 board[EP_STATUS] = EP_CAPTURE;
9489 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9490 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9491 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9493 if( board[fromY][fromX] == WhitePawn ) {
9494 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9495 board[EP_STATUS] = EP_PAWN_MOVE;
9497 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9498 gameInfo.variant != VariantBerolina || toX < fromX)
9499 board[EP_STATUS] = toX | berolina;
9500 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9501 gameInfo.variant != VariantBerolina || toX > fromX)
9502 board[EP_STATUS] = toX;
9505 if( board[fromY][fromX] == BlackPawn ) {
9506 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9507 board[EP_STATUS] = EP_PAWN_MOVE;
9508 if( toY-fromY== -2) {
9509 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9510 gameInfo.variant != VariantBerolina || toX < fromX)
9511 board[EP_STATUS] = toX | berolina;
9512 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9513 gameInfo.variant != VariantBerolina || toX > fromX)
9514 board[EP_STATUS] = toX;
9518 for(i=0; i<nrCastlingRights; i++) {
9519 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9520 board[CASTLING][i] == toX && castlingRank[i] == toY
9521 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9524 if(gameInfo.variant == VariantSChess) { // update virginity
9525 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9526 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9527 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9528 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9531 if (fromX == toX && fromY == toY) return;
9533 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9534 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9535 if(gameInfo.variant == VariantKnightmate)
9536 king += (int) WhiteUnicorn - (int) WhiteKing;
9538 /* Code added by Tord: */
9539 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9540 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9541 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9542 board[fromY][fromX] = EmptySquare;
9543 board[toY][toX] = EmptySquare;
9544 if((toX > fromX) != (piece == WhiteRook)) {
9545 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9547 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9549 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9550 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9551 board[fromY][fromX] = EmptySquare;
9552 board[toY][toX] = EmptySquare;
9553 if((toX > fromX) != (piece == BlackRook)) {
9554 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9556 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9558 /* End of code added by Tord */
9560 } else if (board[fromY][fromX] == king
9561 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9562 && toY == fromY && toX > fromX+1) {
9563 board[fromY][fromX] = EmptySquare;
9564 board[toY][toX] = king;
9565 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9566 board[fromY][BOARD_RGHT-1] = EmptySquare;
9567 } else if (board[fromY][fromX] == king
9568 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9569 && toY == fromY && toX < fromX-1) {
9570 board[fromY][fromX] = EmptySquare;
9571 board[toY][toX] = king;
9572 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9573 board[fromY][BOARD_LEFT] = EmptySquare;
9574 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9575 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9576 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9578 /* white pawn promotion */
9579 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9580 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9581 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9582 board[fromY][fromX] = EmptySquare;
9583 } else if ((fromY >= BOARD_HEIGHT>>1)
9584 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9586 && gameInfo.variant != VariantXiangqi
9587 && gameInfo.variant != VariantBerolina
9588 && (board[fromY][fromX] == WhitePawn)
9589 && (board[toY][toX] == EmptySquare)) {
9590 board[fromY][fromX] = EmptySquare;
9591 board[toY][toX] = WhitePawn;
9592 captured = board[toY - 1][toX];
9593 board[toY - 1][toX] = EmptySquare;
9594 } else if ((fromY == BOARD_HEIGHT-4)
9596 && gameInfo.variant == VariantBerolina
9597 && (board[fromY][fromX] == WhitePawn)
9598 && (board[toY][toX] == EmptySquare)) {
9599 board[fromY][fromX] = EmptySquare;
9600 board[toY][toX] = WhitePawn;
9601 if(oldEP & EP_BEROLIN_A) {
9602 captured = board[fromY][fromX-1];
9603 board[fromY][fromX-1] = EmptySquare;
9604 }else{ captured = board[fromY][fromX+1];
9605 board[fromY][fromX+1] = EmptySquare;
9607 } else if (board[fromY][fromX] == king
9608 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9609 && toY == fromY && toX > fromX+1) {
9610 board[fromY][fromX] = EmptySquare;
9611 board[toY][toX] = king;
9612 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9613 board[fromY][BOARD_RGHT-1] = EmptySquare;
9614 } else if (board[fromY][fromX] == king
9615 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9616 && toY == fromY && toX < fromX-1) {
9617 board[fromY][fromX] = EmptySquare;
9618 board[toY][toX] = king;
9619 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9620 board[fromY][BOARD_LEFT] = EmptySquare;
9621 } else if (fromY == 7 && fromX == 3
9622 && board[fromY][fromX] == BlackKing
9623 && toY == 7 && toX == 5) {
9624 board[fromY][fromX] = EmptySquare;
9625 board[toY][toX] = BlackKing;
9626 board[fromY][7] = EmptySquare;
9627 board[toY][4] = BlackRook;
9628 } else if (fromY == 7 && fromX == 3
9629 && board[fromY][fromX] == BlackKing
9630 && toY == 7 && toX == 1) {
9631 board[fromY][fromX] = EmptySquare;
9632 board[toY][toX] = BlackKing;
9633 board[fromY][0] = EmptySquare;
9634 board[toY][2] = BlackRook;
9635 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9636 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9637 && toY < promoRank && promoChar
9639 /* black pawn promotion */
9640 board[toY][toX] = CharToPiece(ToLower(promoChar));
9641 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9642 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9643 board[fromY][fromX] = EmptySquare;
9644 } else if ((fromY < BOARD_HEIGHT>>1)
9645 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9647 && gameInfo.variant != VariantXiangqi
9648 && gameInfo.variant != VariantBerolina
9649 && (board[fromY][fromX] == BlackPawn)
9650 && (board[toY][toX] == EmptySquare)) {
9651 board[fromY][fromX] = EmptySquare;
9652 board[toY][toX] = BlackPawn;
9653 captured = board[toY + 1][toX];
9654 board[toY + 1][toX] = EmptySquare;
9655 } else if ((fromY == 3)
9657 && gameInfo.variant == VariantBerolina
9658 && (board[fromY][fromX] == BlackPawn)
9659 && (board[toY][toX] == EmptySquare)) {
9660 board[fromY][fromX] = EmptySquare;
9661 board[toY][toX] = BlackPawn;
9662 if(oldEP & EP_BEROLIN_A) {
9663 captured = board[fromY][fromX-1];
9664 board[fromY][fromX-1] = EmptySquare;
9665 }else{ captured = board[fromY][fromX+1];
9666 board[fromY][fromX+1] = EmptySquare;
9669 board[toY][toX] = board[fromY][fromX];
9670 board[fromY][fromX] = EmptySquare;
9674 if (gameInfo.holdingsWidth != 0) {
9676 /* !!A lot more code needs to be written to support holdings */
9677 /* [HGM] OK, so I have written it. Holdings are stored in the */
9678 /* penultimate board files, so they are automaticlly stored */
9679 /* in the game history. */
9680 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9681 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9682 /* Delete from holdings, by decreasing count */
9683 /* and erasing image if necessary */
9684 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9685 if(p < (int) BlackPawn) { /* white drop */
9686 p -= (int)WhitePawn;
9687 p = PieceToNumber((ChessSquare)p);
9688 if(p >= gameInfo.holdingsSize) p = 0;
9689 if(--board[p][BOARD_WIDTH-2] <= 0)
9690 board[p][BOARD_WIDTH-1] = EmptySquare;
9691 if((int)board[p][BOARD_WIDTH-2] < 0)
9692 board[p][BOARD_WIDTH-2] = 0;
9693 } else { /* black drop */
9694 p -= (int)BlackPawn;
9695 p = PieceToNumber((ChessSquare)p);
9696 if(p >= gameInfo.holdingsSize) p = 0;
9697 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9698 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9699 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9700 board[BOARD_HEIGHT-1-p][1] = 0;
9703 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9704 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9705 /* [HGM] holdings: Add to holdings, if holdings exist */
9706 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9707 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9708 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9711 if (p >= (int) BlackPawn) {
9712 p -= (int)BlackPawn;
9713 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9714 /* in Shogi restore piece to its original first */
9715 captured = (ChessSquare) (DEMOTED captured);
9718 p = PieceToNumber((ChessSquare)p);
9719 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9720 board[p][BOARD_WIDTH-2]++;
9721 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9723 p -= (int)WhitePawn;
9724 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9725 captured = (ChessSquare) (DEMOTED captured);
9728 p = PieceToNumber((ChessSquare)p);
9729 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9730 board[BOARD_HEIGHT-1-p][1]++;
9731 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9734 } else if (gameInfo.variant == VariantAtomic) {
9735 if (captured != EmptySquare) {
9737 for (y = toY-1; y <= toY+1; y++) {
9738 for (x = toX-1; x <= toX+1; x++) {
9739 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9740 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9741 board[y][x] = EmptySquare;
9745 board[toY][toX] = EmptySquare;
9748 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9749 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9751 if(promoChar == '+') {
9752 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9753 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9754 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9755 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9756 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9757 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9758 board[toY][toX] = newPiece;
9760 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9761 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9762 // [HGM] superchess: take promotion piece out of holdings
9763 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9764 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9765 if(!--board[k][BOARD_WIDTH-2])
9766 board[k][BOARD_WIDTH-1] = EmptySquare;
9768 if(!--board[BOARD_HEIGHT-1-k][1])
9769 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9775 /* Updates forwardMostMove */
9777 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9779 // forwardMostMove++; // [HGM] bare: moved downstream
9781 (void) CoordsToAlgebraic(boards[forwardMostMove],
9782 PosFlags(forwardMostMove),
9783 fromY, fromX, toY, toX, promoChar,
9784 parseList[forwardMostMove]);
9786 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9787 int timeLeft; static int lastLoadFlag=0; int king, piece;
9788 piece = boards[forwardMostMove][fromY][fromX];
9789 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9790 if(gameInfo.variant == VariantKnightmate)
9791 king += (int) WhiteUnicorn - (int) WhiteKing;
9792 if(forwardMostMove == 0) {
9793 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9794 fprintf(serverMoves, "%s;", UserName());
9795 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9796 fprintf(serverMoves, "%s;", second.tidy);
9797 fprintf(serverMoves, "%s;", first.tidy);
9798 if(gameMode == MachinePlaysWhite)
9799 fprintf(serverMoves, "%s;", UserName());
9800 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9801 fprintf(serverMoves, "%s;", second.tidy);
9802 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9803 lastLoadFlag = loadFlag;
9805 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9806 // print castling suffix
9807 if( toY == fromY && piece == king ) {
9809 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9811 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9814 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9815 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9816 boards[forwardMostMove][toY][toX] == EmptySquare
9817 && fromX != toX && fromY != toY)
9818 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9820 if(promoChar != NULLCHAR) {
9821 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9822 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9823 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9824 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9827 char buf[MOVE_LEN*2], *p; int len;
9828 fprintf(serverMoves, "/%d/%d",
9829 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9830 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9831 else timeLeft = blackTimeRemaining/1000;
9832 fprintf(serverMoves, "/%d", timeLeft);
9833 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9834 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9835 if(p = strchr(buf, '=')) *p = NULLCHAR;
9836 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9837 fprintf(serverMoves, "/%s", buf);
9839 fflush(serverMoves);
9842 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9843 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9846 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9847 if (commentList[forwardMostMove+1] != NULL) {
9848 free(commentList[forwardMostMove+1]);
9849 commentList[forwardMostMove+1] = NULL;
9851 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9852 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9853 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9854 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9855 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9856 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9857 adjustedClock = FALSE;
9858 gameInfo.result = GameUnfinished;
9859 if (gameInfo.resultDetails != NULL) {
9860 free(gameInfo.resultDetails);
9861 gameInfo.resultDetails = NULL;
9863 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9864 moveList[forwardMostMove - 1]);
9865 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9871 if(gameInfo.variant != VariantShogi)
9872 strcat(parseList[forwardMostMove - 1], "+");
9876 strcat(parseList[forwardMostMove - 1], "#");
9882 /* Updates currentMove if not pausing */
9884 ShowMove (int fromX, int fromY, int toX, int toY)
9886 int instant = (gameMode == PlayFromGameFile) ?
9887 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9888 if(appData.noGUI) return;
9889 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9891 if (forwardMostMove == currentMove + 1) {
9892 AnimateMove(boards[forwardMostMove - 1],
9893 fromX, fromY, toX, toY);
9896 currentMove = forwardMostMove;
9899 if (instant) return;
9901 DisplayMove(currentMove - 1);
9902 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9903 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9904 SetHighlights(fromX, fromY, toX, toY);
9907 DrawPosition(FALSE, boards[currentMove]);
9908 DisplayBothClocks();
9909 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9913 SendEgtPath (ChessProgramState *cps)
9914 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9915 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9917 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9920 char c, *q = name+1, *r, *s;
9922 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9923 while(*p && *p != ',') *q++ = *p++;
9925 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9926 strcmp(name, ",nalimov:") == 0 ) {
9927 // take nalimov path from the menu-changeable option first, if it is defined
9928 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9929 SendToProgram(buf,cps); // send egtbpath command for nalimov
9931 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9932 (s = StrStr(appData.egtFormats, name)) != NULL) {
9933 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9934 s = r = StrStr(s, ":") + 1; // beginning of path info
9935 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9936 c = *r; *r = 0; // temporarily null-terminate path info
9937 *--q = 0; // strip of trailig ':' from name
9938 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9940 SendToProgram(buf,cps); // send egtbpath command for this format
9942 if(*p == ',') p++; // read away comma to position for next format name
9947 NonStandardBoardSize ()
9949 /* [HGM] Awkward testing. Should really be a table */
9950 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9951 if( gameInfo.variant == VariantXiangqi )
9952 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9953 if( gameInfo.variant == VariantShogi )
9954 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9955 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9956 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9957 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9958 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9959 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9960 if( gameInfo.variant == VariantCourier )
9961 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9962 if( gameInfo.variant == VariantSuper )
9963 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9964 if( gameInfo.variant == VariantGreat )
9965 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9966 if( gameInfo.variant == VariantSChess )
9967 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9968 if( gameInfo.variant == VariantGrand )
9969 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9974 InitChessProgram (ChessProgramState *cps, int setup)
9975 /* setup needed to setup FRC opening position */
9977 char buf[MSG_SIZ], b[MSG_SIZ];
9978 if (appData.noChessProgram) return;
9979 hintRequested = FALSE;
9980 bookRequested = FALSE;
9982 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9983 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9984 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9985 if(cps->memSize) { /* [HGM] memory */
9986 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9987 SendToProgram(buf, cps);
9989 SendEgtPath(cps); /* [HGM] EGT */
9990 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9991 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9992 SendToProgram(buf, cps);
9995 SendToProgram(cps->initString, cps);
9996 if (gameInfo.variant != VariantNormal &&
9997 gameInfo.variant != VariantLoadable
9998 /* [HGM] also send variant if board size non-standard */
9999 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10001 char *v = VariantName(gameInfo.variant);
10002 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10003 /* [HGM] in protocol 1 we have to assume all variants valid */
10004 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10005 DisplayFatalError(buf, 0, 1);
10009 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10010 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10011 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10012 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10013 if(StrStr(cps->variants, b) == NULL) {
10014 // specific sized variant not known, check if general sizing allowed
10015 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10016 if(StrStr(cps->variants, "boardsize") == NULL) {
10017 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10018 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10019 DisplayFatalError(buf, 0, 1);
10022 /* [HGM] here we really should compare with the maximum supported board size */
10025 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10026 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10027 SendToProgram(buf, cps);
10029 currentlyInitializedVariant = gameInfo.variant;
10031 /* [HGM] send opening position in FRC to first engine */
10033 SendToProgram("force\n", cps);
10035 /* engine is now in force mode! Set flag to wake it up after first move. */
10036 setboardSpoiledMachineBlack = 1;
10039 if (cps->sendICS) {
10040 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10041 SendToProgram(buf, cps);
10043 cps->maybeThinking = FALSE;
10044 cps->offeredDraw = 0;
10045 if (!appData.icsActive) {
10046 SendTimeControl(cps, movesPerSession, timeControl,
10047 timeIncrement, appData.searchDepth,
10050 if (appData.showThinking
10051 // [HGM] thinking: four options require thinking output to be sent
10052 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10054 SendToProgram("post\n", cps);
10056 SendToProgram("hard\n", cps);
10057 if (!appData.ponderNextMove) {
10058 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10059 it without being sure what state we are in first. "hard"
10060 is not a toggle, so that one is OK.
10062 SendToProgram("easy\n", cps);
10064 if (cps->usePing) {
10065 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10066 SendToProgram(buf, cps);
10068 cps->initDone = TRUE;
10069 ClearEngineOutputPane(cps == &second);
10074 ResendOptions (ChessProgramState *cps)
10075 { // send the stored value of the options
10078 Option *opt = cps->option;
10079 for(i=0; i<cps->nrOptions; i++, opt++) {
10080 switch(opt->type) {
10084 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10087 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10090 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10096 SendToProgram(buf, cps);
10101 StartChessProgram (ChessProgramState *cps)
10106 if (appData.noChessProgram) return;
10107 cps->initDone = FALSE;
10109 if (strcmp(cps->host, "localhost") == 0) {
10110 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10111 } else if (*appData.remoteShell == NULLCHAR) {
10112 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10114 if (*appData.remoteUser == NULLCHAR) {
10115 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10118 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10119 cps->host, appData.remoteUser, cps->program);
10121 err = StartChildProcess(buf, "", &cps->pr);
10125 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10126 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10127 if(cps != &first) return;
10128 appData.noChessProgram = TRUE;
10131 // DisplayFatalError(buf, err, 1);
10132 // cps->pr = NoProc;
10133 // cps->isr = NULL;
10137 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10138 if (cps->protocolVersion > 1) {
10139 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10140 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10141 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10142 cps->comboCnt = 0; // and values of combo boxes
10144 SendToProgram(buf, cps);
10145 if(cps->reload) ResendOptions(cps);
10147 SendToProgram("xboard\n", cps);
10152 TwoMachinesEventIfReady P((void))
10154 static int curMess = 0;
10155 if (first.lastPing != first.lastPong) {
10156 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10157 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10160 if (second.lastPing != second.lastPong) {
10161 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10162 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10165 DisplayMessage("", ""); curMess = 0;
10166 TwoMachinesEvent();
10170 MakeName (char *template)
10174 static char buf[MSG_SIZ];
10178 clock = time((time_t *)NULL);
10179 tm = localtime(&clock);
10181 while(*p++ = *template++) if(p[-1] == '%') {
10182 switch(*template++) {
10183 case 0: *p = 0; return buf;
10184 case 'Y': i = tm->tm_year+1900; break;
10185 case 'y': i = tm->tm_year-100; break;
10186 case 'M': i = tm->tm_mon+1; break;
10187 case 'd': i = tm->tm_mday; break;
10188 case 'h': i = tm->tm_hour; break;
10189 case 'm': i = tm->tm_min; break;
10190 case 's': i = tm->tm_sec; break;
10193 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10199 CountPlayers (char *p)
10202 while(p = strchr(p, '\n')) p++, n++; // count participants
10207 WriteTourneyFile (char *results, FILE *f)
10208 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10209 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10210 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10211 // create a file with tournament description
10212 fprintf(f, "-participants {%s}\n", appData.participants);
10213 fprintf(f, "-seedBase %d\n", appData.seedBase);
10214 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10215 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10216 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10217 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10218 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10219 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10220 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10221 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10222 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10223 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10224 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10225 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10226 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10227 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10228 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10229 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10230 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10231 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10232 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10233 fprintf(f, "-smpCores %d\n", appData.smpCores);
10235 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10237 fprintf(f, "-mps %d\n", appData.movesPerSession);
10238 fprintf(f, "-tc %s\n", appData.timeControl);
10239 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10241 fprintf(f, "-results \"%s\"\n", results);
10246 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10249 Substitute (char *participants, int expunge)
10251 int i, changed, changes=0, nPlayers=0;
10252 char *p, *q, *r, buf[MSG_SIZ];
10253 if(participants == NULL) return;
10254 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10255 r = p = participants; q = appData.participants;
10256 while(*p && *p == *q) {
10257 if(*p == '\n') r = p+1, nPlayers++;
10260 if(*p) { // difference
10261 while(*p && *p++ != '\n');
10262 while(*q && *q++ != '\n');
10263 changed = nPlayers;
10264 changes = 1 + (strcmp(p, q) != 0);
10266 if(changes == 1) { // a single engine mnemonic was changed
10267 q = r; while(*q) nPlayers += (*q++ == '\n');
10268 p = buf; while(*r && (*p = *r++) != '\n') p++;
10270 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10271 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10272 if(mnemonic[i]) { // The substitute is valid
10274 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10275 flock(fileno(f), LOCK_EX);
10276 ParseArgsFromFile(f);
10277 fseek(f, 0, SEEK_SET);
10278 FREE(appData.participants); appData.participants = participants;
10279 if(expunge) { // erase results of replaced engine
10280 int len = strlen(appData.results), w, b, dummy;
10281 for(i=0; i<len; i++) {
10282 Pairing(i, nPlayers, &w, &b, &dummy);
10283 if((w == changed || b == changed) && appData.results[i] == '*') {
10284 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10289 for(i=0; i<len; i++) {
10290 Pairing(i, nPlayers, &w, &b, &dummy);
10291 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10294 WriteTourneyFile(appData.results, f);
10295 fclose(f); // release lock
10298 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10300 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10301 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10302 free(participants);
10307 CheckPlayers (char *participants)
10310 char buf[MSG_SIZ], *p;
10311 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10312 while(p = strchr(participants, '\n')) {
10314 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10316 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10318 DisplayError(buf, 0);
10322 participants = p + 1;
10328 CreateTourney (char *name)
10331 if(matchMode && strcmp(name, appData.tourneyFile)) {
10332 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10334 if(name[0] == NULLCHAR) {
10335 if(appData.participants[0])
10336 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10339 f = fopen(name, "r");
10340 if(f) { // file exists
10341 ASSIGN(appData.tourneyFile, name);
10342 ParseArgsFromFile(f); // parse it
10344 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10345 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10346 DisplayError(_("Not enough participants"), 0);
10349 if(CheckPlayers(appData.participants)) return 0;
10350 ASSIGN(appData.tourneyFile, name);
10351 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10352 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10355 appData.noChessProgram = FALSE;
10356 appData.clockMode = TRUE;
10362 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10364 char buf[MSG_SIZ], *p, *q;
10365 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10366 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10367 skip = !all && group[0]; // if group requested, we start in skip mode
10368 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10369 p = names; q = buf; header = 0;
10370 while(*p && *p != '\n') *q++ = *p++;
10372 if(*p == '\n') p++;
10373 if(buf[0] == '#') {
10374 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10375 depth++; // we must be entering a new group
10376 if(all) continue; // suppress printing group headers when complete list requested
10378 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10380 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10381 if(engineList[i]) free(engineList[i]);
10382 engineList[i] = strdup(buf);
10383 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10384 if(engineMnemonic[i]) free(engineMnemonic[i]);
10385 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10387 sscanf(q + 8, "%s", buf + strlen(buf));
10390 engineMnemonic[i] = strdup(buf);
10393 engineList[i] = engineMnemonic[i] = NULL;
10397 // following implemented as macro to avoid type limitations
10398 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10401 SwapEngines (int n)
10402 { // swap settings for first engine and other engine (so far only some selected options)
10407 SWAP(chessProgram, p)
10409 SWAP(hasOwnBookUCI, h)
10410 SWAP(protocolVersion, h)
10412 SWAP(scoreIsAbsolute, h)
10417 SWAP(engOptions, p)
10418 SWAP(engInitString, p)
10419 SWAP(computerString, p)
10421 SWAP(fenOverride, p)
10423 SWAP(accumulateTC, h)
10428 GetEngineLine (char *s, int n)
10432 extern char *icsNames;
10433 if(!s || !*s) return 0;
10434 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10435 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10436 if(!mnemonic[i]) return 0;
10437 if(n == 11) return 1; // just testing if there was a match
10438 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10439 if(n == 1) SwapEngines(n);
10440 ParseArgsFromString(buf);
10441 if(n == 1) SwapEngines(n);
10442 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10443 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10444 ParseArgsFromString(buf);
10450 SetPlayer (int player, char *p)
10451 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10453 char buf[MSG_SIZ], *engineName;
10454 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10455 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10456 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10458 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10459 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10460 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10461 ParseArgsFromString(buf);
10462 } else { // no engine with this nickname is installed!
10463 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10464 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10465 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10467 DisplayError(buf, 0);
10474 char *recentEngines;
10477 RecentEngineEvent (int nr)
10480 // SwapEngines(1); // bump first to second
10481 // ReplaceEngine(&second, 1); // and load it there
10482 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10483 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10484 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10485 ReplaceEngine(&first, 0);
10486 FloatToFront(&appData.recentEngineList, command[n]);
10491 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10492 { // determine players from game number
10493 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10495 if(appData.tourneyType == 0) {
10496 roundsPerCycle = (nPlayers - 1) | 1;
10497 pairingsPerRound = nPlayers / 2;
10498 } else if(appData.tourneyType > 0) {
10499 roundsPerCycle = nPlayers - appData.tourneyType;
10500 pairingsPerRound = appData.tourneyType;
10502 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10503 gamesPerCycle = gamesPerRound * roundsPerCycle;
10504 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10505 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10506 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10507 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10508 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10509 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10511 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10512 if(appData.roundSync) *syncInterval = gamesPerRound;
10514 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10516 if(appData.tourneyType == 0) {
10517 if(curPairing == (nPlayers-1)/2 ) {
10518 *whitePlayer = curRound;
10519 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10521 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10522 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10523 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10524 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10526 } else if(appData.tourneyType > 1) {
10527 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10528 *whitePlayer = curRound + appData.tourneyType;
10529 } else if(appData.tourneyType > 0) {
10530 *whitePlayer = curPairing;
10531 *blackPlayer = curRound + appData.tourneyType;
10534 // take care of white/black alternation per round.
10535 // For cycles and games this is already taken care of by default, derived from matchGame!
10536 return curRound & 1;
10540 NextTourneyGame (int nr, int *swapColors)
10541 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10543 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10545 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10546 tf = fopen(appData.tourneyFile, "r");
10547 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10548 ParseArgsFromFile(tf); fclose(tf);
10549 InitTimeControls(); // TC might be altered from tourney file
10551 nPlayers = CountPlayers(appData.participants); // count participants
10552 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10553 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10556 p = q = appData.results;
10557 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10558 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10559 DisplayMessage(_("Waiting for other game(s)"),"");
10560 waitingForGame = TRUE;
10561 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10564 waitingForGame = FALSE;
10567 if(appData.tourneyType < 0) {
10568 if(nr>=0 && !pairingReceived) {
10570 if(pairing.pr == NoProc) {
10571 if(!appData.pairingEngine[0]) {
10572 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10575 StartChessProgram(&pairing); // starts the pairing engine
10577 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10578 SendToProgram(buf, &pairing);
10579 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10580 SendToProgram(buf, &pairing);
10581 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10583 pairingReceived = 0; // ... so we continue here
10585 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10586 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10587 matchGame = 1; roundNr = nr / syncInterval + 1;
10590 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10592 // redefine engines, engine dir, etc.
10593 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10594 if(first.pr == NoProc) {
10595 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10596 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10598 if(second.pr == NoProc) {
10600 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10601 SwapEngines(1); // and make that valid for second engine by swapping
10602 InitEngine(&second, 1);
10604 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10605 UpdateLogos(FALSE); // leave display to ModeHiglight()
10611 { // performs game initialization that does not invoke engines, and then tries to start the game
10612 int res, firstWhite, swapColors = 0;
10613 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10614 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
10616 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10617 if(strcmp(buf, currentDebugFile)) { // name has changed
10618 FILE *f = fopen(buf, "w");
10619 if(f) { // if opening the new file failed, just keep using the old one
10620 ASSIGN(currentDebugFile, buf);
10624 if(appData.serverFileName) {
10625 if(serverFP) fclose(serverFP);
10626 serverFP = fopen(appData.serverFileName, "w");
10627 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10628 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10632 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10633 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10634 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10635 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10636 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10637 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10638 Reset(FALSE, first.pr != NoProc);
10639 res = LoadGameOrPosition(matchGame); // setup game
10640 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10641 if(!res) return; // abort when bad game/pos file
10642 TwoMachinesEvent();
10646 UserAdjudicationEvent (int result)
10648 ChessMove gameResult = GameIsDrawn;
10651 gameResult = WhiteWins;
10653 else if( result < 0 ) {
10654 gameResult = BlackWins;
10657 if( gameMode == TwoMachinesPlay ) {
10658 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10663 // [HGM] save: calculate checksum of game to make games easily identifiable
10665 StringCheckSum (char *s)
10668 if(s==NULL) return 0;
10669 while(*s) i = i*259 + *s++;
10677 for(i=backwardMostMove; i<forwardMostMove; i++) {
10678 sum += pvInfoList[i].depth;
10679 sum += StringCheckSum(parseList[i]);
10680 sum += StringCheckSum(commentList[i]);
10683 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10684 return sum + StringCheckSum(commentList[i]);
10685 } // end of save patch
10688 GameEnds (ChessMove result, char *resultDetails, int whosays)
10690 GameMode nextGameMode;
10692 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10694 if(endingGame) return; /* [HGM] crash: forbid recursion */
10696 if(twoBoards) { // [HGM] dual: switch back to one board
10697 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10698 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10700 if (appData.debugMode) {
10701 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10702 result, resultDetails ? resultDetails : "(null)", whosays);
10705 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10707 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10709 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10710 /* If we are playing on ICS, the server decides when the
10711 game is over, but the engine can offer to draw, claim
10715 if (appData.zippyPlay && first.initDone) {
10716 if (result == GameIsDrawn) {
10717 /* In case draw still needs to be claimed */
10718 SendToICS(ics_prefix);
10719 SendToICS("draw\n");
10720 } else if (StrCaseStr(resultDetails, "resign")) {
10721 SendToICS(ics_prefix);
10722 SendToICS("resign\n");
10726 endingGame = 0; /* [HGM] crash */
10730 /* If we're loading the game from a file, stop */
10731 if (whosays == GE_FILE) {
10732 (void) StopLoadGameTimer();
10736 /* Cancel draw offers */
10737 first.offeredDraw = second.offeredDraw = 0;
10739 /* If this is an ICS game, only ICS can really say it's done;
10740 if not, anyone can. */
10741 isIcsGame = (gameMode == IcsPlayingWhite ||
10742 gameMode == IcsPlayingBlack ||
10743 gameMode == IcsObserving ||
10744 gameMode == IcsExamining);
10746 if (!isIcsGame || whosays == GE_ICS) {
10747 /* OK -- not an ICS game, or ICS said it was done */
10749 if (!isIcsGame && !appData.noChessProgram)
10750 SetUserThinkingEnables();
10752 /* [HGM] if a machine claims the game end we verify this claim */
10753 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10754 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10756 ChessMove trueResult = (ChessMove) -1;
10758 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10759 first.twoMachinesColor[0] :
10760 second.twoMachinesColor[0] ;
10762 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10763 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10764 /* [HGM] verify: engine mate claims accepted if they were flagged */
10765 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10767 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10768 /* [HGM] verify: engine mate claims accepted if they were flagged */
10769 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10771 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10772 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10775 // now verify win claims, but not in drop games, as we don't understand those yet
10776 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10777 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10778 (result == WhiteWins && claimer == 'w' ||
10779 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10780 if (appData.debugMode) {
10781 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10782 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10784 if(result != trueResult) {
10785 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10786 result = claimer == 'w' ? BlackWins : WhiteWins;
10787 resultDetails = buf;
10790 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10791 && (forwardMostMove <= backwardMostMove ||
10792 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10793 (claimer=='b')==(forwardMostMove&1))
10795 /* [HGM] verify: draws that were not flagged are false claims */
10796 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10797 result = claimer == 'w' ? BlackWins : WhiteWins;
10798 resultDetails = buf;
10800 /* (Claiming a loss is accepted no questions asked!) */
10801 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10802 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10803 result = GameUnfinished;
10804 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10806 /* [HGM] bare: don't allow bare King to win */
10807 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10808 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10809 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10810 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10811 && result != GameIsDrawn)
10812 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10813 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10814 int p = (signed char)boards[forwardMostMove][i][j] - color;
10815 if(p >= 0 && p <= (int)WhiteKing) k++;
10817 if (appData.debugMode) {
10818 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10819 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10822 result = GameIsDrawn;
10823 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10824 resultDetails = buf;
10830 if(serverMoves != NULL && !loadFlag) { char c = '=';
10831 if(result==WhiteWins) c = '+';
10832 if(result==BlackWins) c = '-';
10833 if(resultDetails != NULL)
10834 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10836 if (resultDetails != NULL) {
10837 gameInfo.result = result;
10838 gameInfo.resultDetails = StrSave(resultDetails);
10840 /* display last move only if game was not loaded from file */
10841 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10842 DisplayMove(currentMove - 1);
10844 if (forwardMostMove != 0) {
10845 if (gameMode != PlayFromGameFile && gameMode != EditGame
10846 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10848 if (*appData.saveGameFile != NULLCHAR) {
10849 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10850 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10852 SaveGameToFile(appData.saveGameFile, TRUE);
10853 } else if (appData.autoSaveGames) {
10854 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10856 if (*appData.savePositionFile != NULLCHAR) {
10857 SavePositionToFile(appData.savePositionFile);
10859 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10863 /* Tell program how game ended in case it is learning */
10864 /* [HGM] Moved this to after saving the PGN, just in case */
10865 /* engine died and we got here through time loss. In that */
10866 /* case we will get a fatal error writing the pipe, which */
10867 /* would otherwise lose us the PGN. */
10868 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10869 /* output during GameEnds should never be fatal anymore */
10870 if (gameMode == MachinePlaysWhite ||
10871 gameMode == MachinePlaysBlack ||
10872 gameMode == TwoMachinesPlay ||
10873 gameMode == IcsPlayingWhite ||
10874 gameMode == IcsPlayingBlack ||
10875 gameMode == BeginningOfGame) {
10877 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10879 if (first.pr != NoProc) {
10880 SendToProgram(buf, &first);
10882 if (second.pr != NoProc &&
10883 gameMode == TwoMachinesPlay) {
10884 SendToProgram(buf, &second);
10889 if (appData.icsActive) {
10890 if (appData.quietPlay &&
10891 (gameMode == IcsPlayingWhite ||
10892 gameMode == IcsPlayingBlack)) {
10893 SendToICS(ics_prefix);
10894 SendToICS("set shout 1\n");
10896 nextGameMode = IcsIdle;
10897 ics_user_moved = FALSE;
10898 /* clean up premove. It's ugly when the game has ended and the
10899 * premove highlights are still on the board.
10902 gotPremove = FALSE;
10903 ClearPremoveHighlights();
10904 DrawPosition(FALSE, boards[currentMove]);
10906 if (whosays == GE_ICS) {
10909 if (gameMode == IcsPlayingWhite)
10911 else if(gameMode == IcsPlayingBlack)
10912 PlayIcsLossSound();
10915 if (gameMode == IcsPlayingBlack)
10917 else if(gameMode == IcsPlayingWhite)
10918 PlayIcsLossSound();
10921 PlayIcsDrawSound();
10924 PlayIcsUnfinishedSound();
10927 if(appData.quitNext) { ExitEvent(0); return; }
10928 } else if (gameMode == EditGame ||
10929 gameMode == PlayFromGameFile ||
10930 gameMode == AnalyzeMode ||
10931 gameMode == AnalyzeFile) {
10932 nextGameMode = gameMode;
10934 nextGameMode = EndOfGame;
10939 nextGameMode = gameMode;
10942 if (appData.noChessProgram) {
10943 gameMode = nextGameMode;
10945 endingGame = 0; /* [HGM] crash */
10950 /* Put first chess program into idle state */
10951 if (first.pr != NoProc &&
10952 (gameMode == MachinePlaysWhite ||
10953 gameMode == MachinePlaysBlack ||
10954 gameMode == TwoMachinesPlay ||
10955 gameMode == IcsPlayingWhite ||
10956 gameMode == IcsPlayingBlack ||
10957 gameMode == BeginningOfGame)) {
10958 SendToProgram("force\n", &first);
10959 if (first.usePing) {
10961 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10962 SendToProgram(buf, &first);
10965 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10966 /* Kill off first chess program */
10967 if (first.isr != NULL)
10968 RemoveInputSource(first.isr);
10971 if (first.pr != NoProc) {
10973 DoSleep( appData.delayBeforeQuit );
10974 SendToProgram("quit\n", &first);
10975 DoSleep( appData.delayAfterQuit );
10976 DestroyChildProcess(first.pr, first.useSigterm);
10977 first.reload = TRUE;
10981 if (second.reuse) {
10982 /* Put second chess program into idle state */
10983 if (second.pr != NoProc &&
10984 gameMode == TwoMachinesPlay) {
10985 SendToProgram("force\n", &second);
10986 if (second.usePing) {
10988 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10989 SendToProgram(buf, &second);
10992 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10993 /* Kill off second chess program */
10994 if (second.isr != NULL)
10995 RemoveInputSource(second.isr);
10998 if (second.pr != NoProc) {
10999 DoSleep( appData.delayBeforeQuit );
11000 SendToProgram("quit\n", &second);
11001 DoSleep( appData.delayAfterQuit );
11002 DestroyChildProcess(second.pr, second.useSigterm);
11003 second.reload = TRUE;
11005 second.pr = NoProc;
11008 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11009 char resChar = '=';
11013 if (first.twoMachinesColor[0] == 'w') {
11016 second.matchWins++;
11021 if (first.twoMachinesColor[0] == 'b') {
11024 second.matchWins++;
11027 case GameUnfinished:
11033 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11034 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11035 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11036 ReserveGame(nextGame, resChar); // sets nextGame
11037 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11038 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11039 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11041 if (nextGame <= appData.matchGames && !abortMatch) {
11042 gameMode = nextGameMode;
11043 matchGame = nextGame; // this will be overruled in tourney mode!
11044 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11045 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11046 endingGame = 0; /* [HGM] crash */
11049 gameMode = nextGameMode;
11050 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11051 first.tidy, second.tidy,
11052 first.matchWins, second.matchWins,
11053 appData.matchGames - (first.matchWins + second.matchWins));
11054 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11055 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11056 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11057 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11058 first.twoMachinesColor = "black\n";
11059 second.twoMachinesColor = "white\n";
11061 first.twoMachinesColor = "white\n";
11062 second.twoMachinesColor = "black\n";
11066 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11067 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11069 gameMode = nextGameMode;
11071 endingGame = 0; /* [HGM] crash */
11072 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11073 if(matchMode == TRUE) { // match through command line: exit with or without popup
11075 ToNrEvent(forwardMostMove);
11076 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11078 } else DisplayFatalError(buf, 0, 0);
11079 } else { // match through menu; just stop, with or without popup
11080 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11083 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11084 } else DisplayNote(buf);
11086 if(ranking) free(ranking);
11090 /* Assumes program was just initialized (initString sent).
11091 Leaves program in force mode. */
11093 FeedMovesToProgram (ChessProgramState *cps, int upto)
11097 if (appData.debugMode)
11098 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11099 startedFromSetupPosition ? "position and " : "",
11100 backwardMostMove, upto, cps->which);
11101 if(currentlyInitializedVariant != gameInfo.variant) {
11103 // [HGM] variantswitch: make engine aware of new variant
11104 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11105 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11106 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11107 SendToProgram(buf, cps);
11108 currentlyInitializedVariant = gameInfo.variant;
11110 SendToProgram("force\n", cps);
11111 if (startedFromSetupPosition) {
11112 SendBoard(cps, backwardMostMove);
11113 if (appData.debugMode) {
11114 fprintf(debugFP, "feedMoves\n");
11117 for (i = backwardMostMove; i < upto; i++) {
11118 SendMoveToProgram(i, cps);
11124 ResurrectChessProgram ()
11126 /* The chess program may have exited.
11127 If so, restart it and feed it all the moves made so far. */
11128 static int doInit = 0;
11130 if (appData.noChessProgram) return 1;
11132 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11133 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11134 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11135 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11137 if (first.pr != NoProc) return 1;
11138 StartChessProgram(&first);
11140 InitChessProgram(&first, FALSE);
11141 FeedMovesToProgram(&first, currentMove);
11143 if (!first.sendTime) {
11144 /* can't tell gnuchess what its clock should read,
11145 so we bow to its notion. */
11147 timeRemaining[0][currentMove] = whiteTimeRemaining;
11148 timeRemaining[1][currentMove] = blackTimeRemaining;
11151 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11152 appData.icsEngineAnalyze) && first.analysisSupport) {
11153 SendToProgram("analyze\n", &first);
11154 first.analyzing = TRUE;
11160 * Button procedures
11163 Reset (int redraw, int init)
11167 if (appData.debugMode) {
11168 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11169 redraw, init, gameMode);
11171 CleanupTail(); // [HGM] vari: delete any stored variations
11172 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11173 pausing = pauseExamInvalid = FALSE;
11174 startedFromSetupPosition = blackPlaysFirst = FALSE;
11176 whiteFlag = blackFlag = FALSE;
11177 userOfferedDraw = FALSE;
11178 hintRequested = bookRequested = FALSE;
11179 first.maybeThinking = FALSE;
11180 second.maybeThinking = FALSE;
11181 first.bookSuspend = FALSE; // [HGM] book
11182 second.bookSuspend = FALSE;
11183 thinkOutput[0] = NULLCHAR;
11184 lastHint[0] = NULLCHAR;
11185 ClearGameInfo(&gameInfo);
11186 gameInfo.variant = StringToVariant(appData.variant);
11187 ics_user_moved = ics_clock_paused = FALSE;
11188 ics_getting_history = H_FALSE;
11190 white_holding[0] = black_holding[0] = NULLCHAR;
11191 ClearProgramStats();
11192 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11196 flipView = appData.flipView;
11197 ClearPremoveHighlights();
11198 gotPremove = FALSE;
11199 alarmSounded = FALSE;
11201 GameEnds(EndOfFile, NULL, GE_PLAYER);
11202 if(appData.serverMovesName != NULL) {
11203 /* [HGM] prepare to make moves file for broadcasting */
11204 clock_t t = clock();
11205 if(serverMoves != NULL) fclose(serverMoves);
11206 serverMoves = fopen(appData.serverMovesName, "r");
11207 if(serverMoves != NULL) {
11208 fclose(serverMoves);
11209 /* delay 15 sec before overwriting, so all clients can see end */
11210 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11212 serverMoves = fopen(appData.serverMovesName, "w");
11216 gameMode = BeginningOfGame;
11218 if(appData.icsActive) gameInfo.variant = VariantNormal;
11219 currentMove = forwardMostMove = backwardMostMove = 0;
11220 MarkTargetSquares(1);
11221 InitPosition(redraw);
11222 for (i = 0; i < MAX_MOVES; i++) {
11223 if (commentList[i] != NULL) {
11224 free(commentList[i]);
11225 commentList[i] = NULL;
11229 timeRemaining[0][0] = whiteTimeRemaining;
11230 timeRemaining[1][0] = blackTimeRemaining;
11232 if (first.pr == NoProc) {
11233 StartChessProgram(&first);
11236 InitChessProgram(&first, startedFromSetupPosition);
11239 DisplayMessage("", "");
11240 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11241 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11242 ClearMap(); // [HGM] exclude: invalidate map
11246 AutoPlayGameLoop ()
11249 if (!AutoPlayOneMove())
11251 if (matchMode || appData.timeDelay == 0)
11253 if (appData.timeDelay < 0)
11255 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11263 ReloadGame(1); // next game
11269 int fromX, fromY, toX, toY;
11271 if (appData.debugMode) {
11272 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11275 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11278 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11279 pvInfoList[currentMove].depth = programStats.depth;
11280 pvInfoList[currentMove].score = programStats.score;
11281 pvInfoList[currentMove].time = 0;
11282 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11283 else { // append analysis of final position as comment
11285 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11286 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11288 programStats.depth = 0;
11291 if (currentMove >= forwardMostMove) {
11292 if(gameMode == AnalyzeFile) {
11293 if(appData.loadGameIndex == -1) {
11294 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11295 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11297 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11300 // gameMode = EndOfGame;
11301 // ModeHighlight();
11303 /* [AS] Clear current move marker at the end of a game */
11304 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11309 toX = moveList[currentMove][2] - AAA;
11310 toY = moveList[currentMove][3] - ONE;
11312 if (moveList[currentMove][1] == '@') {
11313 if (appData.highlightLastMove) {
11314 SetHighlights(-1, -1, toX, toY);
11317 fromX = moveList[currentMove][0] - AAA;
11318 fromY = moveList[currentMove][1] - ONE;
11320 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11322 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11324 if (appData.highlightLastMove) {
11325 SetHighlights(fromX, fromY, toX, toY);
11328 DisplayMove(currentMove);
11329 SendMoveToProgram(currentMove++, &first);
11330 DisplayBothClocks();
11331 DrawPosition(FALSE, boards[currentMove]);
11332 // [HGM] PV info: always display, routine tests if empty
11333 DisplayComment(currentMove - 1, commentList[currentMove]);
11339 LoadGameOneMove (ChessMove readAhead)
11341 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11342 char promoChar = NULLCHAR;
11343 ChessMove moveType;
11344 char move[MSG_SIZ];
11347 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11348 gameMode != AnalyzeMode && gameMode != Training) {
11353 yyboardindex = forwardMostMove;
11354 if (readAhead != EndOfFile) {
11355 moveType = readAhead;
11357 if (gameFileFP == NULL)
11359 moveType = (ChessMove) Myylex();
11363 switch (moveType) {
11365 if (appData.debugMode)
11366 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11369 /* append the comment but don't display it */
11370 AppendComment(currentMove, p, FALSE);
11373 case WhiteCapturesEnPassant:
11374 case BlackCapturesEnPassant:
11375 case WhitePromotion:
11376 case BlackPromotion:
11377 case WhiteNonPromotion:
11378 case BlackNonPromotion:
11380 case WhiteKingSideCastle:
11381 case WhiteQueenSideCastle:
11382 case BlackKingSideCastle:
11383 case BlackQueenSideCastle:
11384 case WhiteKingSideCastleWild:
11385 case WhiteQueenSideCastleWild:
11386 case BlackKingSideCastleWild:
11387 case BlackQueenSideCastleWild:
11389 case WhiteHSideCastleFR:
11390 case WhiteASideCastleFR:
11391 case BlackHSideCastleFR:
11392 case BlackASideCastleFR:
11394 if (appData.debugMode)
11395 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11396 fromX = currentMoveString[0] - AAA;
11397 fromY = currentMoveString[1] - ONE;
11398 toX = currentMoveString[2] - AAA;
11399 toY = currentMoveString[3] - ONE;
11400 promoChar = currentMoveString[4];
11405 if (appData.debugMode)
11406 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11407 fromX = moveType == WhiteDrop ?
11408 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11409 (int) CharToPiece(ToLower(currentMoveString[0]));
11411 toX = currentMoveString[2] - AAA;
11412 toY = currentMoveString[3] - ONE;
11418 case GameUnfinished:
11419 if (appData.debugMode)
11420 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11421 p = strchr(yy_text, '{');
11422 if (p == NULL) p = strchr(yy_text, '(');
11425 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11427 q = strchr(p, *p == '{' ? '}' : ')');
11428 if (q != NULL) *q = NULLCHAR;
11431 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11432 GameEnds(moveType, p, GE_FILE);
11434 if (cmailMsgLoaded) {
11436 flipView = WhiteOnMove(currentMove);
11437 if (moveType == GameUnfinished) flipView = !flipView;
11438 if (appData.debugMode)
11439 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11444 if (appData.debugMode)
11445 fprintf(debugFP, "Parser hit end of file\n");
11446 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11452 if (WhiteOnMove(currentMove)) {
11453 GameEnds(BlackWins, "Black mates", GE_FILE);
11455 GameEnds(WhiteWins, "White mates", GE_FILE);
11459 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11465 case MoveNumberOne:
11466 if (lastLoadGameStart == GNUChessGame) {
11467 /* GNUChessGames have numbers, but they aren't move numbers */
11468 if (appData.debugMode)
11469 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11470 yy_text, (int) moveType);
11471 return LoadGameOneMove(EndOfFile); /* tail recursion */
11473 /* else fall thru */
11478 /* Reached start of next game in file */
11479 if (appData.debugMode)
11480 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11481 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11487 if (WhiteOnMove(currentMove)) {
11488 GameEnds(BlackWins, "Black mates", GE_FILE);
11490 GameEnds(WhiteWins, "White mates", GE_FILE);
11494 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11500 case PositionDiagram: /* should not happen; ignore */
11501 case ElapsedTime: /* ignore */
11502 case NAG: /* ignore */
11503 if (appData.debugMode)
11504 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11505 yy_text, (int) moveType);
11506 return LoadGameOneMove(EndOfFile); /* tail recursion */
11509 if (appData.testLegality) {
11510 if (appData.debugMode)
11511 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11512 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11513 (forwardMostMove / 2) + 1,
11514 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11515 DisplayError(move, 0);
11518 if (appData.debugMode)
11519 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11520 yy_text, currentMoveString);
11521 fromX = currentMoveString[0] - AAA;
11522 fromY = currentMoveString[1] - ONE;
11523 toX = currentMoveString[2] - AAA;
11524 toY = currentMoveString[3] - ONE;
11525 promoChar = currentMoveString[4];
11529 case AmbiguousMove:
11530 if (appData.debugMode)
11531 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11532 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11533 (forwardMostMove / 2) + 1,
11534 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11535 DisplayError(move, 0);
11540 case ImpossibleMove:
11541 if (appData.debugMode)
11542 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11543 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11544 (forwardMostMove / 2) + 1,
11545 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11546 DisplayError(move, 0);
11552 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11553 DrawPosition(FALSE, boards[currentMove]);
11554 DisplayBothClocks();
11555 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11556 DisplayComment(currentMove - 1, commentList[currentMove]);
11558 (void) StopLoadGameTimer();
11560 cmailOldMove = forwardMostMove;
11563 /* currentMoveString is set as a side-effect of yylex */
11565 thinkOutput[0] = NULLCHAR;
11566 MakeMove(fromX, fromY, toX, toY, promoChar);
11567 currentMove = forwardMostMove;
11572 /* Load the nth game from the given file */
11574 LoadGameFromFile (char *filename, int n, char *title, int useList)
11579 if (strcmp(filename, "-") == 0) {
11583 f = fopen(filename, "rb");
11585 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11586 DisplayError(buf, errno);
11590 if (fseek(f, 0, 0) == -1) {
11591 /* f is not seekable; probably a pipe */
11594 if (useList && n == 0) {
11595 int error = GameListBuild(f);
11597 DisplayError(_("Cannot build game list"), error);
11598 } else if (!ListEmpty(&gameList) &&
11599 ((ListGame *) gameList.tailPred)->number > 1) {
11600 GameListPopUp(f, title);
11607 return LoadGame(f, n, title, FALSE);
11612 MakeRegisteredMove ()
11614 int fromX, fromY, toX, toY;
11616 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11617 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11620 if (appData.debugMode)
11621 fprintf(debugFP, "Restoring %s for game %d\n",
11622 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11624 thinkOutput[0] = NULLCHAR;
11625 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11626 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11627 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11628 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11629 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11630 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11631 MakeMove(fromX, fromY, toX, toY, promoChar);
11632 ShowMove(fromX, fromY, toX, toY);
11634 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11641 if (WhiteOnMove(currentMove)) {
11642 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11644 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11649 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11656 if (WhiteOnMove(currentMove)) {
11657 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11659 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11664 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11675 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11677 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11681 if (gameNumber > nCmailGames) {
11682 DisplayError(_("No more games in this message"), 0);
11685 if (f == lastLoadGameFP) {
11686 int offset = gameNumber - lastLoadGameNumber;
11688 cmailMsg[0] = NULLCHAR;
11689 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11690 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11691 nCmailMovesRegistered--;
11693 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11694 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11695 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11698 if (! RegisterMove()) return FALSE;
11702 retVal = LoadGame(f, gameNumber, title, useList);
11704 /* Make move registered during previous look at this game, if any */
11705 MakeRegisteredMove();
11707 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11708 commentList[currentMove]
11709 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11710 DisplayComment(currentMove - 1, commentList[currentMove]);
11716 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11718 ReloadGame (int offset)
11720 int gameNumber = lastLoadGameNumber + offset;
11721 if (lastLoadGameFP == NULL) {
11722 DisplayError(_("No game has been loaded yet"), 0);
11725 if (gameNumber <= 0) {
11726 DisplayError(_("Can't back up any further"), 0);
11729 if (cmailMsgLoaded) {
11730 return CmailLoadGame(lastLoadGameFP, gameNumber,
11731 lastLoadGameTitle, lastLoadGameUseList);
11733 return LoadGame(lastLoadGameFP, gameNumber,
11734 lastLoadGameTitle, lastLoadGameUseList);
11738 int keys[EmptySquare+1];
11741 PositionMatches (Board b1, Board b2)
11744 switch(appData.searchMode) {
11745 case 1: return CompareWithRights(b1, b2);
11747 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11748 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11752 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11753 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11754 sum += keys[b1[r][f]] - keys[b2[r][f]];
11758 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11759 sum += keys[b1[r][f]] - keys[b2[r][f]];
11771 int pieceList[256], quickBoard[256];
11772 ChessSquare pieceType[256] = { EmptySquare };
11773 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11774 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11775 int soughtTotal, turn;
11776 Boolean epOK, flipSearch;
11779 unsigned char piece, to;
11782 #define DSIZE (250000)
11784 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11785 Move *moveDatabase = initialSpace;
11786 unsigned int movePtr, dataSize = DSIZE;
11789 MakePieceList (Board board, int *counts)
11791 int r, f, n=Q_PROMO, total=0;
11792 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11793 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11794 int sq = f + (r<<4);
11795 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11796 quickBoard[sq] = ++n;
11798 pieceType[n] = board[r][f];
11799 counts[board[r][f]]++;
11800 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11801 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11805 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11810 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11812 int sq = fromX + (fromY<<4);
11813 int piece = quickBoard[sq];
11814 quickBoard[sq] = 0;
11815 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11816 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11817 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11818 moveDatabase[movePtr++].piece = Q_WCASTL;
11819 quickBoard[sq] = piece;
11820 piece = quickBoard[from]; quickBoard[from] = 0;
11821 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11823 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11824 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11825 moveDatabase[movePtr++].piece = Q_BCASTL;
11826 quickBoard[sq] = piece;
11827 piece = quickBoard[from]; quickBoard[from] = 0;
11828 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11830 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11831 quickBoard[(fromY<<4)+toX] = 0;
11832 moveDatabase[movePtr].piece = Q_EP;
11833 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11834 moveDatabase[movePtr].to = sq;
11836 if(promoPiece != pieceType[piece]) {
11837 moveDatabase[movePtr++].piece = Q_PROMO;
11838 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11840 moveDatabase[movePtr].piece = piece;
11841 quickBoard[sq] = piece;
11846 PackGame (Board board)
11848 Move *newSpace = NULL;
11849 moveDatabase[movePtr].piece = 0; // terminate previous game
11850 if(movePtr > dataSize) {
11851 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11852 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11853 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11856 Move *p = moveDatabase, *q = newSpace;
11857 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11858 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11859 moveDatabase = newSpace;
11860 } else { // calloc failed, we must be out of memory. Too bad...
11861 dataSize = 0; // prevent calloc events for all subsequent games
11862 return 0; // and signal this one isn't cached
11866 MakePieceList(board, counts);
11871 QuickCompare (Board board, int *minCounts, int *maxCounts)
11872 { // compare according to search mode
11874 switch(appData.searchMode)
11876 case 1: // exact position match
11877 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11878 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11879 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11882 case 2: // can have extra material on empty squares
11883 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11884 if(board[r][f] == EmptySquare) continue;
11885 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11888 case 3: // material with exact Pawn structure
11889 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11890 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11891 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11892 } // fall through to material comparison
11893 case 4: // exact material
11894 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11896 case 6: // material range with given imbalance
11897 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11898 // fall through to range comparison
11899 case 5: // material range
11900 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11906 QuickScan (Board board, Move *move)
11907 { // reconstruct game,and compare all positions in it
11908 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11910 int piece = move->piece;
11911 int to = move->to, from = pieceList[piece];
11912 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11913 if(!piece) return -1;
11914 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11915 piece = (++move)->piece;
11916 from = pieceList[piece];
11917 counts[pieceType[piece]]--;
11918 pieceType[piece] = (ChessSquare) move->to;
11919 counts[move->to]++;
11920 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11921 counts[pieceType[quickBoard[to]]]--;
11922 quickBoard[to] = 0; total--;
11925 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11926 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11927 from = pieceList[piece]; // so this must be King
11928 quickBoard[from] = 0;
11929 pieceList[piece] = to;
11930 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11931 quickBoard[from] = 0; // rook
11932 quickBoard[to] = piece;
11933 to = move->to; piece = move->piece;
11937 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11938 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11939 quickBoard[from] = 0;
11941 quickBoard[to] = piece;
11942 pieceList[piece] = to;
11944 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11945 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11946 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11947 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11949 static int lastCounts[EmptySquare+1];
11951 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11952 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11953 } else stretch = 0;
11954 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11963 flipSearch = FALSE;
11964 CopyBoard(soughtBoard, boards[currentMove]);
11965 soughtTotal = MakePieceList(soughtBoard, maxSought);
11966 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11967 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11968 CopyBoard(reverseBoard, boards[currentMove]);
11969 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11970 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11971 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11972 reverseBoard[r][f] = piece;
11974 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11975 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11976 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11977 || (boards[currentMove][CASTLING][2] == NoRights ||
11978 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11979 && (boards[currentMove][CASTLING][5] == NoRights ||
11980 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11983 CopyBoard(flipBoard, soughtBoard);
11984 CopyBoard(rotateBoard, reverseBoard);
11985 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11986 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11987 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11990 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11991 if(appData.searchMode >= 5) {
11992 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11993 MakePieceList(soughtBoard, minSought);
11994 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11996 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11997 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12000 GameInfo dummyInfo;
12001 static int creatingBook;
12004 GameContainsPosition (FILE *f, ListGame *lg)
12006 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12007 int fromX, fromY, toX, toY;
12009 static int initDone=FALSE;
12011 // weed out games based on numerical tag comparison
12012 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12013 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12014 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12015 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12017 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12020 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
12021 else CopyBoard(boards[scratch], initialPosition); // default start position
12024 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12025 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12028 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12029 fseek(f, lg->offset, 0);
12032 yyboardindex = scratch;
12033 quickFlag = plyNr+1;
12038 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12044 if(plyNr) return -1; // after we have seen moves, this is for new game
12047 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12048 case ImpossibleMove:
12049 case WhiteWins: // game ends here with these four
12052 case GameUnfinished:
12056 if(appData.testLegality) return -1;
12057 case WhiteCapturesEnPassant:
12058 case BlackCapturesEnPassant:
12059 case WhitePromotion:
12060 case BlackPromotion:
12061 case WhiteNonPromotion:
12062 case BlackNonPromotion:
12064 case WhiteKingSideCastle:
12065 case WhiteQueenSideCastle:
12066 case BlackKingSideCastle:
12067 case BlackQueenSideCastle:
12068 case WhiteKingSideCastleWild:
12069 case WhiteQueenSideCastleWild:
12070 case BlackKingSideCastleWild:
12071 case BlackQueenSideCastleWild:
12072 case WhiteHSideCastleFR:
12073 case WhiteASideCastleFR:
12074 case BlackHSideCastleFR:
12075 case BlackASideCastleFR:
12076 fromX = currentMoveString[0] - AAA;
12077 fromY = currentMoveString[1] - ONE;
12078 toX = currentMoveString[2] - AAA;
12079 toY = currentMoveString[3] - ONE;
12080 promoChar = currentMoveString[4];
12084 fromX = next == WhiteDrop ?
12085 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12086 (int) CharToPiece(ToLower(currentMoveString[0]));
12088 toX = currentMoveString[2] - AAA;
12089 toY = currentMoveString[3] - ONE;
12093 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12095 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12096 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12097 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12098 if(appData.findMirror) {
12099 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12100 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12105 /* Load the nth game from open file f */
12107 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12111 int gn = gameNumber;
12112 ListGame *lg = NULL;
12113 int numPGNTags = 0;
12115 GameMode oldGameMode;
12116 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12118 if (appData.debugMode)
12119 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12121 if (gameMode == Training )
12122 SetTrainingModeOff();
12124 oldGameMode = gameMode;
12125 if (gameMode != BeginningOfGame) {
12126 Reset(FALSE, TRUE);
12130 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12131 fclose(lastLoadGameFP);
12135 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12138 fseek(f, lg->offset, 0);
12139 GameListHighlight(gameNumber);
12140 pos = lg->position;
12144 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12145 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12147 DisplayError(_("Game number out of range"), 0);
12152 if (fseek(f, 0, 0) == -1) {
12153 if (f == lastLoadGameFP ?
12154 gameNumber == lastLoadGameNumber + 1 :
12158 DisplayError(_("Can't seek on game file"), 0);
12163 lastLoadGameFP = f;
12164 lastLoadGameNumber = gameNumber;
12165 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12166 lastLoadGameUseList = useList;
12170 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12171 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12172 lg->gameInfo.black);
12174 } else if (*title != NULLCHAR) {
12175 if (gameNumber > 1) {
12176 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12179 DisplayTitle(title);
12183 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12184 gameMode = PlayFromGameFile;
12188 currentMove = forwardMostMove = backwardMostMove = 0;
12189 CopyBoard(boards[0], initialPosition);
12193 * Skip the first gn-1 games in the file.
12194 * Also skip over anything that precedes an identifiable
12195 * start of game marker, to avoid being confused by
12196 * garbage at the start of the file. Currently
12197 * recognized start of game markers are the move number "1",
12198 * the pattern "gnuchess .* game", the pattern
12199 * "^[#;%] [^ ]* game file", and a PGN tag block.
12200 * A game that starts with one of the latter two patterns
12201 * will also have a move number 1, possibly
12202 * following a position diagram.
12203 * 5-4-02: Let's try being more lenient and allowing a game to
12204 * start with an unnumbered move. Does that break anything?
12206 cm = lastLoadGameStart = EndOfFile;
12208 yyboardindex = forwardMostMove;
12209 cm = (ChessMove) Myylex();
12212 if (cmailMsgLoaded) {
12213 nCmailGames = CMAIL_MAX_GAMES - gn;
12216 DisplayError(_("Game not found in file"), 0);
12223 lastLoadGameStart = cm;
12226 case MoveNumberOne:
12227 switch (lastLoadGameStart) {
12232 case MoveNumberOne:
12234 gn--; /* count this game */
12235 lastLoadGameStart = cm;
12244 switch (lastLoadGameStart) {
12247 case MoveNumberOne:
12249 gn--; /* count this game */
12250 lastLoadGameStart = cm;
12253 lastLoadGameStart = cm; /* game counted already */
12261 yyboardindex = forwardMostMove;
12262 cm = (ChessMove) Myylex();
12263 } while (cm == PGNTag || cm == Comment);
12270 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12271 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12272 != CMAIL_OLD_RESULT) {
12274 cmailResult[ CMAIL_MAX_GAMES
12275 - gn - 1] = CMAIL_OLD_RESULT;
12281 /* Only a NormalMove can be at the start of a game
12282 * without a position diagram. */
12283 if (lastLoadGameStart == EndOfFile ) {
12285 lastLoadGameStart = MoveNumberOne;
12294 if (appData.debugMode)
12295 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12297 if (cm == XBoardGame) {
12298 /* Skip any header junk before position diagram and/or move 1 */
12300 yyboardindex = forwardMostMove;
12301 cm = (ChessMove) Myylex();
12303 if (cm == EndOfFile ||
12304 cm == GNUChessGame || cm == XBoardGame) {
12305 /* Empty game; pretend end-of-file and handle later */
12310 if (cm == MoveNumberOne || cm == PositionDiagram ||
12311 cm == PGNTag || cm == Comment)
12314 } else if (cm == GNUChessGame) {
12315 if (gameInfo.event != NULL) {
12316 free(gameInfo.event);
12318 gameInfo.event = StrSave(yy_text);
12321 startedFromSetupPosition = FALSE;
12322 while (cm == PGNTag) {
12323 if (appData.debugMode)
12324 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12325 err = ParsePGNTag(yy_text, &gameInfo);
12326 if (!err) numPGNTags++;
12328 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12329 if(gameInfo.variant != oldVariant) {
12330 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12331 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12332 InitPosition(TRUE);
12333 oldVariant = gameInfo.variant;
12334 if (appData.debugMode)
12335 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12339 if (gameInfo.fen != NULL) {
12340 Board initial_position;
12341 startedFromSetupPosition = TRUE;
12342 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12344 DisplayError(_("Bad FEN position in file"), 0);
12347 CopyBoard(boards[0], initial_position);
12348 if (blackPlaysFirst) {
12349 currentMove = forwardMostMove = backwardMostMove = 1;
12350 CopyBoard(boards[1], initial_position);
12351 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12352 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12353 timeRemaining[0][1] = whiteTimeRemaining;
12354 timeRemaining[1][1] = blackTimeRemaining;
12355 if (commentList[0] != NULL) {
12356 commentList[1] = commentList[0];
12357 commentList[0] = NULL;
12360 currentMove = forwardMostMove = backwardMostMove = 0;
12362 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12364 initialRulePlies = FENrulePlies;
12365 for( i=0; i< nrCastlingRights; i++ )
12366 initialRights[i] = initial_position[CASTLING][i];
12368 yyboardindex = forwardMostMove;
12369 free(gameInfo.fen);
12370 gameInfo.fen = NULL;
12373 yyboardindex = forwardMostMove;
12374 cm = (ChessMove) Myylex();
12376 /* Handle comments interspersed among the tags */
12377 while (cm == Comment) {
12379 if (appData.debugMode)
12380 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12382 AppendComment(currentMove, p, FALSE);
12383 yyboardindex = forwardMostMove;
12384 cm = (ChessMove) Myylex();
12388 /* don't rely on existence of Event tag since if game was
12389 * pasted from clipboard the Event tag may not exist
12391 if (numPGNTags > 0){
12393 if (gameInfo.variant == VariantNormal) {
12394 VariantClass v = StringToVariant(gameInfo.event);
12395 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12396 if(v < VariantShogi) gameInfo.variant = v;
12399 if( appData.autoDisplayTags ) {
12400 tags = PGNTags(&gameInfo);
12401 TagsPopUp(tags, CmailMsg());
12406 /* Make something up, but don't display it now */
12411 if (cm == PositionDiagram) {
12414 Board initial_position;
12416 if (appData.debugMode)
12417 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12419 if (!startedFromSetupPosition) {
12421 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12422 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12433 initial_position[i][j++] = CharToPiece(*p);
12436 while (*p == ' ' || *p == '\t' ||
12437 *p == '\n' || *p == '\r') p++;
12439 if (strncmp(p, "black", strlen("black"))==0)
12440 blackPlaysFirst = TRUE;
12442 blackPlaysFirst = FALSE;
12443 startedFromSetupPosition = TRUE;
12445 CopyBoard(boards[0], initial_position);
12446 if (blackPlaysFirst) {
12447 currentMove = forwardMostMove = backwardMostMove = 1;
12448 CopyBoard(boards[1], initial_position);
12449 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12450 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12451 timeRemaining[0][1] = whiteTimeRemaining;
12452 timeRemaining[1][1] = blackTimeRemaining;
12453 if (commentList[0] != NULL) {
12454 commentList[1] = commentList[0];
12455 commentList[0] = NULL;
12458 currentMove = forwardMostMove = backwardMostMove = 0;
12461 yyboardindex = forwardMostMove;
12462 cm = (ChessMove) Myylex();
12465 if(!creatingBook) {
12466 if (first.pr == NoProc) {
12467 StartChessProgram(&first);
12469 InitChessProgram(&first, FALSE);
12470 SendToProgram("force\n", &first);
12471 if (startedFromSetupPosition) {
12472 SendBoard(&first, forwardMostMove);
12473 if (appData.debugMode) {
12474 fprintf(debugFP, "Load Game\n");
12476 DisplayBothClocks();
12480 /* [HGM] server: flag to write setup moves in broadcast file as one */
12481 loadFlag = appData.suppressLoadMoves;
12483 while (cm == Comment) {
12485 if (appData.debugMode)
12486 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12488 AppendComment(currentMove, p, FALSE);
12489 yyboardindex = forwardMostMove;
12490 cm = (ChessMove) Myylex();
12493 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12494 cm == WhiteWins || cm == BlackWins ||
12495 cm == GameIsDrawn || cm == GameUnfinished) {
12496 DisplayMessage("", _("No moves in game"));
12497 if (cmailMsgLoaded) {
12498 if (appData.debugMode)
12499 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12503 DrawPosition(FALSE, boards[currentMove]);
12504 DisplayBothClocks();
12505 gameMode = EditGame;
12512 // [HGM] PV info: routine tests if comment empty
12513 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12514 DisplayComment(currentMove - 1, commentList[currentMove]);
12516 if (!matchMode && appData.timeDelay != 0)
12517 DrawPosition(FALSE, boards[currentMove]);
12519 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12520 programStats.ok_to_send = 1;
12523 /* if the first token after the PGN tags is a move
12524 * and not move number 1, retrieve it from the parser
12526 if (cm != MoveNumberOne)
12527 LoadGameOneMove(cm);
12529 /* load the remaining moves from the file */
12530 while (LoadGameOneMove(EndOfFile)) {
12531 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12532 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12535 /* rewind to the start of the game */
12536 currentMove = backwardMostMove;
12538 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12540 if (oldGameMode == AnalyzeFile) {
12541 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12542 AnalyzeFileEvent();
12544 if (oldGameMode == AnalyzeMode) {
12545 AnalyzeFileEvent();
12548 if(creatingBook) return TRUE;
12549 if (!matchMode && pos > 0) {
12550 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12552 if (matchMode || appData.timeDelay == 0) {
12554 } else if (appData.timeDelay > 0) {
12555 AutoPlayGameLoop();
12558 if (appData.debugMode)
12559 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12561 loadFlag = 0; /* [HGM] true game starts */
12565 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12567 ReloadPosition (int offset)
12569 int positionNumber = lastLoadPositionNumber + offset;
12570 if (lastLoadPositionFP == NULL) {
12571 DisplayError(_("No position has been loaded yet"), 0);
12574 if (positionNumber <= 0) {
12575 DisplayError(_("Can't back up any further"), 0);
12578 return LoadPosition(lastLoadPositionFP, positionNumber,
12579 lastLoadPositionTitle);
12582 /* Load the nth position from the given file */
12584 LoadPositionFromFile (char *filename, int n, char *title)
12589 if (strcmp(filename, "-") == 0) {
12590 return LoadPosition(stdin, n, "stdin");
12592 f = fopen(filename, "rb");
12594 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12595 DisplayError(buf, errno);
12598 return LoadPosition(f, n, title);
12603 /* Load the nth position from the given open file, and close it */
12605 LoadPosition (FILE *f, int positionNumber, char *title)
12607 char *p, line[MSG_SIZ];
12608 Board initial_position;
12609 int i, j, fenMode, pn;
12611 if (gameMode == Training )
12612 SetTrainingModeOff();
12614 if (gameMode != BeginningOfGame) {
12615 Reset(FALSE, TRUE);
12617 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12618 fclose(lastLoadPositionFP);
12620 if (positionNumber == 0) positionNumber = 1;
12621 lastLoadPositionFP = f;
12622 lastLoadPositionNumber = positionNumber;
12623 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12624 if (first.pr == NoProc && !appData.noChessProgram) {
12625 StartChessProgram(&first);
12626 InitChessProgram(&first, FALSE);
12628 pn = positionNumber;
12629 if (positionNumber < 0) {
12630 /* Negative position number means to seek to that byte offset */
12631 if (fseek(f, -positionNumber, 0) == -1) {
12632 DisplayError(_("Can't seek on position file"), 0);
12637 if (fseek(f, 0, 0) == -1) {
12638 if (f == lastLoadPositionFP ?
12639 positionNumber == lastLoadPositionNumber + 1 :
12640 positionNumber == 1) {
12643 DisplayError(_("Can't seek on position file"), 0);
12648 /* See if this file is FEN or old-style xboard */
12649 if (fgets(line, MSG_SIZ, f) == NULL) {
12650 DisplayError(_("Position not found in file"), 0);
12653 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12654 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12657 if (fenMode || line[0] == '#') pn--;
12659 /* skip positions before number pn */
12660 if (fgets(line, MSG_SIZ, f) == NULL) {
12662 DisplayError(_("Position not found in file"), 0);
12665 if (fenMode || line[0] == '#') pn--;
12670 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12671 DisplayError(_("Bad FEN position in file"), 0);
12675 (void) fgets(line, MSG_SIZ, f);
12676 (void) fgets(line, MSG_SIZ, f);
12678 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12679 (void) fgets(line, MSG_SIZ, f);
12680 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12683 initial_position[i][j++] = CharToPiece(*p);
12687 blackPlaysFirst = FALSE;
12689 (void) fgets(line, MSG_SIZ, f);
12690 if (strncmp(line, "black", strlen("black"))==0)
12691 blackPlaysFirst = TRUE;
12694 startedFromSetupPosition = TRUE;
12696 CopyBoard(boards[0], initial_position);
12697 if (blackPlaysFirst) {
12698 currentMove = forwardMostMove = backwardMostMove = 1;
12699 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12700 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12701 CopyBoard(boards[1], initial_position);
12702 DisplayMessage("", _("Black to play"));
12704 currentMove = forwardMostMove = backwardMostMove = 0;
12705 DisplayMessage("", _("White to play"));
12707 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12708 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12709 SendToProgram("force\n", &first);
12710 SendBoard(&first, forwardMostMove);
12712 if (appData.debugMode) {
12714 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12715 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12716 fprintf(debugFP, "Load Position\n");
12719 if (positionNumber > 1) {
12720 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12721 DisplayTitle(line);
12723 DisplayTitle(title);
12725 gameMode = EditGame;
12728 timeRemaining[0][1] = whiteTimeRemaining;
12729 timeRemaining[1][1] = blackTimeRemaining;
12730 DrawPosition(FALSE, boards[currentMove]);
12737 CopyPlayerNameIntoFileName (char **dest, char *src)
12739 while (*src != NULLCHAR && *src != ',') {
12744 *(*dest)++ = *src++;
12750 DefaultFileName (char *ext)
12752 static char def[MSG_SIZ];
12755 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12757 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12759 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12761 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12768 /* Save the current game to the given file */
12770 SaveGameToFile (char *filename, int append)
12774 int result, i, t,tot=0;
12776 if (strcmp(filename, "-") == 0) {
12777 return SaveGame(stdout, 0, NULL);
12779 for(i=0; i<10; i++) { // upto 10 tries
12780 f = fopen(filename, append ? "a" : "w");
12781 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12782 if(f || errno != 13) break;
12783 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12787 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12788 DisplayError(buf, errno);
12791 safeStrCpy(buf, lastMsg, MSG_SIZ);
12792 DisplayMessage(_("Waiting for access to save file"), "");
12793 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12794 DisplayMessage(_("Saving game"), "");
12795 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12796 result = SaveGame(f, 0, NULL);
12797 DisplayMessage(buf, "");
12804 SavePart (char *str)
12806 static char buf[MSG_SIZ];
12809 p = strchr(str, ' ');
12810 if (p == NULL) return str;
12811 strncpy(buf, str, p - str);
12812 buf[p - str] = NULLCHAR;
12816 #define PGN_MAX_LINE 75
12818 #define PGN_SIDE_WHITE 0
12819 #define PGN_SIDE_BLACK 1
12822 FindFirstMoveOutOfBook (int side)
12826 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12827 int index = backwardMostMove;
12828 int has_book_hit = 0;
12830 if( (index % 2) != side ) {
12834 while( index < forwardMostMove ) {
12835 /* Check to see if engine is in book */
12836 int depth = pvInfoList[index].depth;
12837 int score = pvInfoList[index].score;
12843 else if( score == 0 && depth == 63 ) {
12844 in_book = 1; /* Zappa */
12846 else if( score == 2 && depth == 99 ) {
12847 in_book = 1; /* Abrok */
12850 has_book_hit += in_book;
12866 GetOutOfBookInfo (char * buf)
12870 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12872 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12873 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12877 if( oob[0] >= 0 || oob[1] >= 0 ) {
12878 for( i=0; i<2; i++ ) {
12882 if( i > 0 && oob[0] >= 0 ) {
12883 strcat( buf, " " );
12886 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12887 sprintf( buf+strlen(buf), "%s%.2f",
12888 pvInfoList[idx].score >= 0 ? "+" : "",
12889 pvInfoList[idx].score / 100.0 );
12895 /* Save game in PGN style and close the file */
12897 SaveGamePGN (FILE *f)
12899 int i, offset, linelen, newblock;
12902 int movelen, numlen, blank;
12903 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12905 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12907 PrintPGNTags(f, &gameInfo);
12909 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12911 if (backwardMostMove > 0 || startedFromSetupPosition) {
12912 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12913 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12914 fprintf(f, "\n{--------------\n");
12915 PrintPosition(f, backwardMostMove);
12916 fprintf(f, "--------------}\n");
12920 /* [AS] Out of book annotation */
12921 if( appData.saveOutOfBookInfo ) {
12924 GetOutOfBookInfo( buf );
12926 if( buf[0] != '\0' ) {
12927 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12934 i = backwardMostMove;
12938 while (i < forwardMostMove) {
12939 /* Print comments preceding this move */
12940 if (commentList[i] != NULL) {
12941 if (linelen > 0) fprintf(f, "\n");
12942 fprintf(f, "%s", commentList[i]);
12947 /* Format move number */
12949 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12952 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12954 numtext[0] = NULLCHAR;
12956 numlen = strlen(numtext);
12959 /* Print move number */
12960 blank = linelen > 0 && numlen > 0;
12961 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12970 fprintf(f, "%s", numtext);
12974 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12975 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12978 blank = linelen > 0 && movelen > 0;
12979 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12988 fprintf(f, "%s", move_buffer);
12989 linelen += movelen;
12991 /* [AS] Add PV info if present */
12992 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12993 /* [HGM] add time */
12994 char buf[MSG_SIZ]; int seconds;
12996 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13002 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13005 seconds = (seconds + 4)/10; // round to full seconds
13007 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13009 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13012 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13013 pvInfoList[i].score >= 0 ? "+" : "",
13014 pvInfoList[i].score / 100.0,
13015 pvInfoList[i].depth,
13018 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13020 /* Print score/depth */
13021 blank = linelen > 0 && movelen > 0;
13022 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13031 fprintf(f, "%s", move_buffer);
13032 linelen += movelen;
13038 /* Start a new line */
13039 if (linelen > 0) fprintf(f, "\n");
13041 /* Print comments after last move */
13042 if (commentList[i] != NULL) {
13043 fprintf(f, "%s\n", commentList[i]);
13047 if (gameInfo.resultDetails != NULL &&
13048 gameInfo.resultDetails[0] != NULLCHAR) {
13049 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
13050 PGNResult(gameInfo.result));
13052 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13056 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13060 /* Save game in old style and close the file */
13062 SaveGameOldStyle (FILE *f)
13067 tm = time((time_t *) NULL);
13069 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13072 if (backwardMostMove > 0 || startedFromSetupPosition) {
13073 fprintf(f, "\n[--------------\n");
13074 PrintPosition(f, backwardMostMove);
13075 fprintf(f, "--------------]\n");
13080 i = backwardMostMove;
13081 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13083 while (i < forwardMostMove) {
13084 if (commentList[i] != NULL) {
13085 fprintf(f, "[%s]\n", commentList[i]);
13088 if ((i % 2) == 1) {
13089 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13092 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13094 if (commentList[i] != NULL) {
13098 if (i >= forwardMostMove) {
13102 fprintf(f, "%s\n", parseList[i]);
13107 if (commentList[i] != NULL) {
13108 fprintf(f, "[%s]\n", commentList[i]);
13111 /* This isn't really the old style, but it's close enough */
13112 if (gameInfo.resultDetails != NULL &&
13113 gameInfo.resultDetails[0] != NULLCHAR) {
13114 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13115 gameInfo.resultDetails);
13117 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13124 /* Save the current game to open file f and close the file */
13126 SaveGame (FILE *f, int dummy, char *dummy2)
13128 if (gameMode == EditPosition) EditPositionDone(TRUE);
13129 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13130 if (appData.oldSaveStyle)
13131 return SaveGameOldStyle(f);
13133 return SaveGamePGN(f);
13136 /* Save the current position to the given file */
13138 SavePositionToFile (char *filename)
13143 if (strcmp(filename, "-") == 0) {
13144 return SavePosition(stdout, 0, NULL);
13146 f = fopen(filename, "a");
13148 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13149 DisplayError(buf, errno);
13152 safeStrCpy(buf, lastMsg, MSG_SIZ);
13153 DisplayMessage(_("Waiting for access to save file"), "");
13154 flock(fileno(f), LOCK_EX); // [HGM] lock
13155 DisplayMessage(_("Saving position"), "");
13156 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13157 SavePosition(f, 0, NULL);
13158 DisplayMessage(buf, "");
13164 /* Save the current position to the given open file and close the file */
13166 SavePosition (FILE *f, int dummy, char *dummy2)
13171 if (gameMode == EditPosition) EditPositionDone(TRUE);
13172 if (appData.oldSaveStyle) {
13173 tm = time((time_t *) NULL);
13175 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13177 fprintf(f, "[--------------\n");
13178 PrintPosition(f, currentMove);
13179 fprintf(f, "--------------]\n");
13181 fen = PositionToFEN(currentMove, NULL, 1);
13182 fprintf(f, "%s\n", fen);
13190 ReloadCmailMsgEvent (int unregister)
13193 static char *inFilename = NULL;
13194 static char *outFilename;
13196 struct stat inbuf, outbuf;
13199 /* Any registered moves are unregistered if unregister is set, */
13200 /* i.e. invoked by the signal handler */
13202 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13203 cmailMoveRegistered[i] = FALSE;
13204 if (cmailCommentList[i] != NULL) {
13205 free(cmailCommentList[i]);
13206 cmailCommentList[i] = NULL;
13209 nCmailMovesRegistered = 0;
13212 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13213 cmailResult[i] = CMAIL_NOT_RESULT;
13217 if (inFilename == NULL) {
13218 /* Because the filenames are static they only get malloced once */
13219 /* and they never get freed */
13220 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13221 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13223 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13224 sprintf(outFilename, "%s.out", appData.cmailGameName);
13227 status = stat(outFilename, &outbuf);
13229 cmailMailedMove = FALSE;
13231 status = stat(inFilename, &inbuf);
13232 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13235 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13236 counts the games, notes how each one terminated, etc.
13238 It would be nice to remove this kludge and instead gather all
13239 the information while building the game list. (And to keep it
13240 in the game list nodes instead of having a bunch of fixed-size
13241 parallel arrays.) Note this will require getting each game's
13242 termination from the PGN tags, as the game list builder does
13243 not process the game moves. --mann
13245 cmailMsgLoaded = TRUE;
13246 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13248 /* Load first game in the file or popup game menu */
13249 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13251 #endif /* !WIN32 */
13259 char string[MSG_SIZ];
13261 if ( cmailMailedMove
13262 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13263 return TRUE; /* Allow free viewing */
13266 /* Unregister move to ensure that we don't leave RegisterMove */
13267 /* with the move registered when the conditions for registering no */
13269 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13270 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13271 nCmailMovesRegistered --;
13273 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13275 free(cmailCommentList[lastLoadGameNumber - 1]);
13276 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13280 if (cmailOldMove == -1) {
13281 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13285 if (currentMove > cmailOldMove + 1) {
13286 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13290 if (currentMove < cmailOldMove) {
13291 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13295 if (forwardMostMove > currentMove) {
13296 /* Silently truncate extra moves */
13300 if ( (currentMove == cmailOldMove + 1)
13301 || ( (currentMove == cmailOldMove)
13302 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13303 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13304 if (gameInfo.result != GameUnfinished) {
13305 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13308 if (commentList[currentMove] != NULL) {
13309 cmailCommentList[lastLoadGameNumber - 1]
13310 = StrSave(commentList[currentMove]);
13312 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13314 if (appData.debugMode)
13315 fprintf(debugFP, "Saving %s for game %d\n",
13316 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13318 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13320 f = fopen(string, "w");
13321 if (appData.oldSaveStyle) {
13322 SaveGameOldStyle(f); /* also closes the file */
13324 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13325 f = fopen(string, "w");
13326 SavePosition(f, 0, NULL); /* also closes the file */
13328 fprintf(f, "{--------------\n");
13329 PrintPosition(f, currentMove);
13330 fprintf(f, "--------------}\n\n");
13332 SaveGame(f, 0, NULL); /* also closes the file*/
13335 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13336 nCmailMovesRegistered ++;
13337 } else if (nCmailGames == 1) {
13338 DisplayError(_("You have not made a move yet"), 0);
13349 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13350 FILE *commandOutput;
13351 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13352 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13358 if (! cmailMsgLoaded) {
13359 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13363 if (nCmailGames == nCmailResults) {
13364 DisplayError(_("No unfinished games"), 0);
13368 #if CMAIL_PROHIBIT_REMAIL
13369 if (cmailMailedMove) {
13370 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);
13371 DisplayError(msg, 0);
13376 if (! (cmailMailedMove || RegisterMove())) return;
13378 if ( cmailMailedMove
13379 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13380 snprintf(string, MSG_SIZ, partCommandString,
13381 appData.debugMode ? " -v" : "", appData.cmailGameName);
13382 commandOutput = popen(string, "r");
13384 if (commandOutput == NULL) {
13385 DisplayError(_("Failed to invoke cmail"), 0);
13387 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13388 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13390 if (nBuffers > 1) {
13391 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13392 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13393 nBytes = MSG_SIZ - 1;
13395 (void) memcpy(msg, buffer, nBytes);
13397 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13399 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13400 cmailMailedMove = TRUE; /* Prevent >1 moves */
13403 for (i = 0; i < nCmailGames; i ++) {
13404 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13409 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13411 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13413 appData.cmailGameName,
13415 LoadGameFromFile(buffer, 1, buffer, FALSE);
13416 cmailMsgLoaded = FALSE;
13420 DisplayInformation(msg);
13421 pclose(commandOutput);
13424 if ((*cmailMsg) != '\0') {
13425 DisplayInformation(cmailMsg);
13430 #endif /* !WIN32 */
13439 int prependComma = 0;
13441 char string[MSG_SIZ]; /* Space for game-list */
13444 if (!cmailMsgLoaded) return "";
13446 if (cmailMailedMove) {
13447 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13449 /* Create a list of games left */
13450 snprintf(string, MSG_SIZ, "[");
13451 for (i = 0; i < nCmailGames; i ++) {
13452 if (! ( cmailMoveRegistered[i]
13453 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13454 if (prependComma) {
13455 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13457 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13461 strcat(string, number);
13464 strcat(string, "]");
13466 if (nCmailMovesRegistered + nCmailResults == 0) {
13467 switch (nCmailGames) {
13469 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13473 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13477 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13482 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13484 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13489 if (nCmailResults == nCmailGames) {
13490 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13492 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13497 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13509 if (gameMode == Training)
13510 SetTrainingModeOff();
13513 cmailMsgLoaded = FALSE;
13514 if (appData.icsActive) {
13515 SendToICS(ics_prefix);
13516 SendToICS("refresh\n");
13521 ExitEvent (int status)
13525 /* Give up on clean exit */
13529 /* Keep trying for clean exit */
13533 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13535 if (telnetISR != NULL) {
13536 RemoveInputSource(telnetISR);
13538 if (icsPR != NoProc) {
13539 DestroyChildProcess(icsPR, TRUE);
13542 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13543 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13545 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13546 /* make sure this other one finishes before killing it! */
13547 if(endingGame) { int count = 0;
13548 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13549 while(endingGame && count++ < 10) DoSleep(1);
13550 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13553 /* Kill off chess programs */
13554 if (first.pr != NoProc) {
13557 DoSleep( appData.delayBeforeQuit );
13558 SendToProgram("quit\n", &first);
13559 DoSleep( appData.delayAfterQuit );
13560 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13562 if (second.pr != NoProc) {
13563 DoSleep( appData.delayBeforeQuit );
13564 SendToProgram("quit\n", &second);
13565 DoSleep( appData.delayAfterQuit );
13566 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13568 if (first.isr != NULL) {
13569 RemoveInputSource(first.isr);
13571 if (second.isr != NULL) {
13572 RemoveInputSource(second.isr);
13575 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13576 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13578 ShutDownFrontEnd();
13583 PauseEngine (ChessProgramState *cps)
13585 SendToProgram("pause\n", cps);
13590 UnPauseEngine (ChessProgramState *cps)
13592 SendToProgram("resume\n", cps);
13599 if (appData.debugMode)
13600 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13604 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13606 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13607 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13608 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13610 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13611 HandleMachineMove(stashedInputMove, stalledEngine);
13612 stalledEngine = NULL;
13615 if (gameMode == MachinePlaysWhite ||
13616 gameMode == TwoMachinesPlay ||
13617 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13618 if(first.pause) UnPauseEngine(&first);
13619 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13620 if(second.pause) UnPauseEngine(&second);
13621 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13624 DisplayBothClocks();
13626 if (gameMode == PlayFromGameFile) {
13627 if (appData.timeDelay >= 0)
13628 AutoPlayGameLoop();
13629 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13630 Reset(FALSE, TRUE);
13631 SendToICS(ics_prefix);
13632 SendToICS("refresh\n");
13633 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13634 ForwardInner(forwardMostMove);
13636 pauseExamInvalid = FALSE;
13638 switch (gameMode) {
13642 pauseExamForwardMostMove = forwardMostMove;
13643 pauseExamInvalid = FALSE;
13646 case IcsPlayingWhite:
13647 case IcsPlayingBlack:
13651 case PlayFromGameFile:
13652 (void) StopLoadGameTimer();
13656 case BeginningOfGame:
13657 if (appData.icsActive) return;
13658 /* else fall through */
13659 case MachinePlaysWhite:
13660 case MachinePlaysBlack:
13661 case TwoMachinesPlay:
13662 if (forwardMostMove == 0)
13663 return; /* don't pause if no one has moved */
13664 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13665 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13666 if(onMove->pause) { // thinking engine can be paused
13667 PauseEngine(onMove); // do it
13668 if(onMove->other->pause) // pondering opponent can always be paused immediately
13669 PauseEngine(onMove->other);
13671 SendToProgram("easy\n", onMove->other);
13673 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13674 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13676 PauseEngine(&first);
13678 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13679 } else { // human on move, pause pondering by either method
13681 PauseEngine(&first);
13682 else if(appData.ponderNextMove)
13683 SendToProgram("easy\n", &first);
13686 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13696 EditCommentEvent ()
13698 char title[MSG_SIZ];
13700 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13701 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13703 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13704 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13705 parseList[currentMove - 1]);
13708 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13715 char *tags = PGNTags(&gameInfo);
13717 EditTagsPopUp(tags, NULL);
13724 if(second.analyzing) {
13725 SendToProgram("exit\n", &second);
13726 second.analyzing = FALSE;
13728 if (second.pr == NoProc) StartChessProgram(&second);
13729 InitChessProgram(&second, FALSE);
13730 FeedMovesToProgram(&second, currentMove);
13732 SendToProgram("analyze\n", &second);
13733 second.analyzing = TRUE;
13737 /* Toggle ShowThinking */
13739 ToggleShowThinking()
13741 appData.showThinking = !appData.showThinking;
13742 ShowThinkingEvent();
13746 AnalyzeModeEvent ()
13750 if (!first.analysisSupport) {
13751 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13752 DisplayError(buf, 0);
13755 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13756 if (appData.icsActive) {
13757 if (gameMode != IcsObserving) {
13758 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13759 DisplayError(buf, 0);
13761 if (appData.icsEngineAnalyze) {
13762 if (appData.debugMode)
13763 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13769 /* if enable, user wants to disable icsEngineAnalyze */
13770 if (appData.icsEngineAnalyze) {
13775 appData.icsEngineAnalyze = TRUE;
13776 if (appData.debugMode)
13777 fprintf(debugFP, "ICS engine analyze starting... \n");
13780 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13781 if (appData.noChessProgram || gameMode == AnalyzeMode)
13784 if (gameMode != AnalyzeFile) {
13785 if (!appData.icsEngineAnalyze) {
13787 if (gameMode != EditGame) return 0;
13789 if (!appData.showThinking) ToggleShowThinking();
13790 ResurrectChessProgram();
13791 SendToProgram("analyze\n", &first);
13792 first.analyzing = TRUE;
13793 /*first.maybeThinking = TRUE;*/
13794 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13795 EngineOutputPopUp();
13797 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13802 StartAnalysisClock();
13803 GetTimeMark(&lastNodeCountTime);
13809 AnalyzeFileEvent ()
13811 if (appData.noChessProgram || gameMode == AnalyzeFile)
13814 if (!first.analysisSupport) {
13816 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13817 DisplayError(buf, 0);
13821 if (gameMode != AnalyzeMode) {
13822 keepInfo = 1; // mere annotating should not alter PGN tags
13825 if (gameMode != EditGame) return;
13826 if (!appData.showThinking) ToggleShowThinking();
13827 ResurrectChessProgram();
13828 SendToProgram("analyze\n", &first);
13829 first.analyzing = TRUE;
13830 /*first.maybeThinking = TRUE;*/
13831 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13832 EngineOutputPopUp();
13834 gameMode = AnalyzeFile;
13838 StartAnalysisClock();
13839 GetTimeMark(&lastNodeCountTime);
13841 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13842 AnalysisPeriodicEvent(1);
13846 MachineWhiteEvent ()
13849 char *bookHit = NULL;
13851 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13855 if (gameMode == PlayFromGameFile ||
13856 gameMode == TwoMachinesPlay ||
13857 gameMode == Training ||
13858 gameMode == AnalyzeMode ||
13859 gameMode == EndOfGame)
13862 if (gameMode == EditPosition)
13863 EditPositionDone(TRUE);
13865 if (!WhiteOnMove(currentMove)) {
13866 DisplayError(_("It is not White's turn"), 0);
13870 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13873 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13874 gameMode == AnalyzeFile)
13877 ResurrectChessProgram(); /* in case it isn't running */
13878 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13879 gameMode = MachinePlaysWhite;
13882 gameMode = MachinePlaysWhite;
13886 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13888 if (first.sendName) {
13889 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13890 SendToProgram(buf, &first);
13892 if (first.sendTime) {
13893 if (first.useColors) {
13894 SendToProgram("black\n", &first); /*gnu kludge*/
13896 SendTimeRemaining(&first, TRUE);
13898 if (first.useColors) {
13899 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13901 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13902 SetMachineThinkingEnables();
13903 first.maybeThinking = TRUE;
13907 if (appData.autoFlipView && !flipView) {
13908 flipView = !flipView;
13909 DrawPosition(FALSE, NULL);
13910 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13913 if(bookHit) { // [HGM] book: simulate book reply
13914 static char bookMove[MSG_SIZ]; // a bit generous?
13916 programStats.nodes = programStats.depth = programStats.time =
13917 programStats.score = programStats.got_only_move = 0;
13918 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13920 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13921 strcat(bookMove, bookHit);
13922 HandleMachineMove(bookMove, &first);
13927 MachineBlackEvent ()
13930 char *bookHit = NULL;
13932 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13936 if (gameMode == PlayFromGameFile ||
13937 gameMode == TwoMachinesPlay ||
13938 gameMode == Training ||
13939 gameMode == AnalyzeMode ||
13940 gameMode == EndOfGame)
13943 if (gameMode == EditPosition)
13944 EditPositionDone(TRUE);
13946 if (WhiteOnMove(currentMove)) {
13947 DisplayError(_("It is not Black's turn"), 0);
13951 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13954 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13955 gameMode == AnalyzeFile)
13958 ResurrectChessProgram(); /* in case it isn't running */
13959 gameMode = MachinePlaysBlack;
13963 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13965 if (first.sendName) {
13966 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13967 SendToProgram(buf, &first);
13969 if (first.sendTime) {
13970 if (first.useColors) {
13971 SendToProgram("white\n", &first); /*gnu kludge*/
13973 SendTimeRemaining(&first, FALSE);
13975 if (first.useColors) {
13976 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13978 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13979 SetMachineThinkingEnables();
13980 first.maybeThinking = TRUE;
13983 if (appData.autoFlipView && flipView) {
13984 flipView = !flipView;
13985 DrawPosition(FALSE, NULL);
13986 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13988 if(bookHit) { // [HGM] book: simulate book reply
13989 static char bookMove[MSG_SIZ]; // a bit generous?
13991 programStats.nodes = programStats.depth = programStats.time =
13992 programStats.score = programStats.got_only_move = 0;
13993 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13995 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13996 strcat(bookMove, bookHit);
13997 HandleMachineMove(bookMove, &first);
14003 DisplayTwoMachinesTitle ()
14006 if (appData.matchGames > 0) {
14007 if(appData.tourneyFile[0]) {
14008 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14009 gameInfo.white, _("vs."), gameInfo.black,
14010 nextGame+1, appData.matchGames+1,
14011 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14013 if (first.twoMachinesColor[0] == 'w') {
14014 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14015 gameInfo.white, _("vs."), gameInfo.black,
14016 first.matchWins, second.matchWins,
14017 matchGame - 1 - (first.matchWins + second.matchWins));
14019 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14020 gameInfo.white, _("vs."), gameInfo.black,
14021 second.matchWins, first.matchWins,
14022 matchGame - 1 - (first.matchWins + second.matchWins));
14025 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14031 SettingsMenuIfReady ()
14033 if (second.lastPing != second.lastPong) {
14034 DisplayMessage("", _("Waiting for second chess program"));
14035 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14039 DisplayMessage("", "");
14040 SettingsPopUp(&second);
14044 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14047 if (cps->pr == NoProc) {
14048 StartChessProgram(cps);
14049 if (cps->protocolVersion == 1) {
14051 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14053 /* kludge: allow timeout for initial "feature" command */
14054 if(retry != TwoMachinesEventIfReady) FreezeUI();
14055 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14056 DisplayMessage("", buf);
14057 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14065 TwoMachinesEvent P((void))
14069 ChessProgramState *onmove;
14070 char *bookHit = NULL;
14071 static int stalling = 0;
14075 if (appData.noChessProgram) return;
14077 switch (gameMode) {
14078 case TwoMachinesPlay:
14080 case MachinePlaysWhite:
14081 case MachinePlaysBlack:
14082 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14083 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14087 case BeginningOfGame:
14088 case PlayFromGameFile:
14091 if (gameMode != EditGame) return;
14094 EditPositionDone(TRUE);
14105 // forwardMostMove = currentMove;
14106 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14107 startingEngine = TRUE;
14109 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14111 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14112 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14113 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14116 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14118 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14119 startingEngine = FALSE;
14120 DisplayError("second engine does not play this", 0);
14125 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14126 SendToProgram("force\n", &second);
14128 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14131 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14132 if(appData.matchPause>10000 || appData.matchPause<10)
14133 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14134 wait = SubtractTimeMarks(&now, &pauseStart);
14135 if(wait < appData.matchPause) {
14136 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14139 // we are now committed to starting the game
14141 DisplayMessage("", "");
14142 if (startedFromSetupPosition) {
14143 SendBoard(&second, backwardMostMove);
14144 if (appData.debugMode) {
14145 fprintf(debugFP, "Two Machines\n");
14148 for (i = backwardMostMove; i < forwardMostMove; i++) {
14149 SendMoveToProgram(i, &second);
14152 gameMode = TwoMachinesPlay;
14153 pausing = startingEngine = FALSE;
14154 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14156 DisplayTwoMachinesTitle();
14158 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14163 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14164 SendToProgram(first.computerString, &first);
14165 if (first.sendName) {
14166 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14167 SendToProgram(buf, &first);
14169 SendToProgram(second.computerString, &second);
14170 if (second.sendName) {
14171 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14172 SendToProgram(buf, &second);
14176 if (!first.sendTime || !second.sendTime) {
14177 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14178 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14180 if (onmove->sendTime) {
14181 if (onmove->useColors) {
14182 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14184 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14186 if (onmove->useColors) {
14187 SendToProgram(onmove->twoMachinesColor, onmove);
14189 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14190 // SendToProgram("go\n", onmove);
14191 onmove->maybeThinking = TRUE;
14192 SetMachineThinkingEnables();
14196 if(bookHit) { // [HGM] book: simulate book reply
14197 static char bookMove[MSG_SIZ]; // a bit generous?
14199 programStats.nodes = programStats.depth = programStats.time =
14200 programStats.score = programStats.got_only_move = 0;
14201 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14203 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14204 strcat(bookMove, bookHit);
14205 savedMessage = bookMove; // args for deferred call
14206 savedState = onmove;
14207 ScheduleDelayedEvent(DeferredBookMove, 1);
14214 if (gameMode == Training) {
14215 SetTrainingModeOff();
14216 gameMode = PlayFromGameFile;
14217 DisplayMessage("", _("Training mode off"));
14219 gameMode = Training;
14220 animateTraining = appData.animate;
14222 /* make sure we are not already at the end of the game */
14223 if (currentMove < forwardMostMove) {
14224 SetTrainingModeOn();
14225 DisplayMessage("", _("Training mode on"));
14227 gameMode = PlayFromGameFile;
14228 DisplayError(_("Already at end of game"), 0);
14237 if (!appData.icsActive) return;
14238 switch (gameMode) {
14239 case IcsPlayingWhite:
14240 case IcsPlayingBlack:
14243 case BeginningOfGame:
14251 EditPositionDone(TRUE);
14264 gameMode = IcsIdle;
14274 switch (gameMode) {
14276 SetTrainingModeOff();
14278 case MachinePlaysWhite:
14279 case MachinePlaysBlack:
14280 case BeginningOfGame:
14281 SendToProgram("force\n", &first);
14282 SetUserThinkingEnables();
14284 case PlayFromGameFile:
14285 (void) StopLoadGameTimer();
14286 if (gameFileFP != NULL) {
14291 EditPositionDone(TRUE);
14296 SendToProgram("force\n", &first);
14298 case TwoMachinesPlay:
14299 GameEnds(EndOfFile, NULL, GE_PLAYER);
14300 ResurrectChessProgram();
14301 SetUserThinkingEnables();
14304 ResurrectChessProgram();
14306 case IcsPlayingBlack:
14307 case IcsPlayingWhite:
14308 DisplayError(_("Warning: You are still playing a game"), 0);
14311 DisplayError(_("Warning: You are still observing a game"), 0);
14314 DisplayError(_("Warning: You are still examining a game"), 0);
14325 first.offeredDraw = second.offeredDraw = 0;
14327 if (gameMode == PlayFromGameFile) {
14328 whiteTimeRemaining = timeRemaining[0][currentMove];
14329 blackTimeRemaining = timeRemaining[1][currentMove];
14333 if (gameMode == MachinePlaysWhite ||
14334 gameMode == MachinePlaysBlack ||
14335 gameMode == TwoMachinesPlay ||
14336 gameMode == EndOfGame) {
14337 i = forwardMostMove;
14338 while (i > currentMove) {
14339 SendToProgram("undo\n", &first);
14342 if(!adjustedClock) {
14343 whiteTimeRemaining = timeRemaining[0][currentMove];
14344 blackTimeRemaining = timeRemaining[1][currentMove];
14345 DisplayBothClocks();
14347 if (whiteFlag || blackFlag) {
14348 whiteFlag = blackFlag = 0;
14353 gameMode = EditGame;
14360 EditPositionEvent ()
14362 if (gameMode == EditPosition) {
14368 if (gameMode != EditGame) return;
14370 gameMode = EditPosition;
14373 if (currentMove > 0)
14374 CopyBoard(boards[0], boards[currentMove]);
14376 blackPlaysFirst = !WhiteOnMove(currentMove);
14378 currentMove = forwardMostMove = backwardMostMove = 0;
14379 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14381 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14387 /* [DM] icsEngineAnalyze - possible call from other functions */
14388 if (appData.icsEngineAnalyze) {
14389 appData.icsEngineAnalyze = FALSE;
14391 DisplayMessage("",_("Close ICS engine analyze..."));
14393 if (first.analysisSupport && first.analyzing) {
14394 SendToBoth("exit\n");
14395 first.analyzing = second.analyzing = FALSE;
14397 thinkOutput[0] = NULLCHAR;
14401 EditPositionDone (Boolean fakeRights)
14403 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14405 startedFromSetupPosition = TRUE;
14406 InitChessProgram(&first, FALSE);
14407 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14408 boards[0][EP_STATUS] = EP_NONE;
14409 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14410 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14411 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14412 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14413 } else boards[0][CASTLING][2] = NoRights;
14414 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14415 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14416 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14417 } else boards[0][CASTLING][5] = NoRights;
14418 if(gameInfo.variant == VariantSChess) {
14420 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14421 boards[0][VIRGIN][i] = 0;
14422 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14423 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14427 SendToProgram("force\n", &first);
14428 if (blackPlaysFirst) {
14429 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14430 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14431 currentMove = forwardMostMove = backwardMostMove = 1;
14432 CopyBoard(boards[1], boards[0]);
14434 currentMove = forwardMostMove = backwardMostMove = 0;
14436 SendBoard(&first, forwardMostMove);
14437 if (appData.debugMode) {
14438 fprintf(debugFP, "EditPosDone\n");
14441 DisplayMessage("", "");
14442 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14443 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14444 gameMode = EditGame;
14446 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14447 ClearHighlights(); /* [AS] */
14450 /* Pause for `ms' milliseconds */
14451 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14453 TimeDelay (long ms)
14460 } while (SubtractTimeMarks(&m2, &m1) < ms);
14463 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14465 SendMultiLineToICS (char *buf)
14467 char temp[MSG_SIZ+1], *p;
14474 strncpy(temp, buf, len);
14479 if (*p == '\n' || *p == '\r')
14484 strcat(temp, "\n");
14486 SendToPlayer(temp, strlen(temp));
14490 SetWhiteToPlayEvent ()
14492 if (gameMode == EditPosition) {
14493 blackPlaysFirst = FALSE;
14494 DisplayBothClocks(); /* works because currentMove is 0 */
14495 } else if (gameMode == IcsExamining) {
14496 SendToICS(ics_prefix);
14497 SendToICS("tomove white\n");
14502 SetBlackToPlayEvent ()
14504 if (gameMode == EditPosition) {
14505 blackPlaysFirst = TRUE;
14506 currentMove = 1; /* kludge */
14507 DisplayBothClocks();
14509 } else if (gameMode == IcsExamining) {
14510 SendToICS(ics_prefix);
14511 SendToICS("tomove black\n");
14516 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14519 ChessSquare piece = boards[0][y][x];
14521 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14523 switch (selection) {
14525 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14526 SendToICS(ics_prefix);
14527 SendToICS("bsetup clear\n");
14528 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14529 SendToICS(ics_prefix);
14530 SendToICS("clearboard\n");
14532 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14533 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14534 for (y = 0; y < BOARD_HEIGHT; y++) {
14535 if (gameMode == IcsExamining) {
14536 if (boards[currentMove][y][x] != EmptySquare) {
14537 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14542 boards[0][y][x] = p;
14547 if (gameMode == EditPosition) {
14548 DrawPosition(FALSE, boards[0]);
14553 SetWhiteToPlayEvent();
14557 SetBlackToPlayEvent();
14561 if (gameMode == IcsExamining) {
14562 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14563 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14566 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14567 if(x == BOARD_LEFT-2) {
14568 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14569 boards[0][y][1] = 0;
14571 if(x == BOARD_RGHT+1) {
14572 if(y >= gameInfo.holdingsSize) break;
14573 boards[0][y][BOARD_WIDTH-2] = 0;
14576 boards[0][y][x] = EmptySquare;
14577 DrawPosition(FALSE, boards[0]);
14582 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14583 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14584 selection = (ChessSquare) (PROMOTED piece);
14585 } else if(piece == EmptySquare) selection = WhiteSilver;
14586 else selection = (ChessSquare)((int)piece - 1);
14590 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14591 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14592 selection = (ChessSquare) (DEMOTED piece);
14593 } else if(piece == EmptySquare) selection = BlackSilver;
14594 else selection = (ChessSquare)((int)piece + 1);
14599 if(gameInfo.variant == VariantShatranj ||
14600 gameInfo.variant == VariantXiangqi ||
14601 gameInfo.variant == VariantCourier ||
14602 gameInfo.variant == VariantASEAN ||
14603 gameInfo.variant == VariantMakruk )
14604 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14609 if(gameInfo.variant == VariantXiangqi)
14610 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14611 if(gameInfo.variant == VariantKnightmate)
14612 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14615 if (gameMode == IcsExamining) {
14616 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14617 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14618 PieceToChar(selection), AAA + x, ONE + y);
14621 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14623 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14624 n = PieceToNumber(selection - BlackPawn);
14625 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14626 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14627 boards[0][BOARD_HEIGHT-1-n][1]++;
14629 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14630 n = PieceToNumber(selection);
14631 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14632 boards[0][n][BOARD_WIDTH-1] = selection;
14633 boards[0][n][BOARD_WIDTH-2]++;
14636 boards[0][y][x] = selection;
14637 DrawPosition(TRUE, boards[0]);
14639 fromX = fromY = -1;
14647 DropMenuEvent (ChessSquare selection, int x, int y)
14649 ChessMove moveType;
14651 switch (gameMode) {
14652 case IcsPlayingWhite:
14653 case MachinePlaysBlack:
14654 if (!WhiteOnMove(currentMove)) {
14655 DisplayMoveError(_("It is Black's turn"));
14658 moveType = WhiteDrop;
14660 case IcsPlayingBlack:
14661 case MachinePlaysWhite:
14662 if (WhiteOnMove(currentMove)) {
14663 DisplayMoveError(_("It is White's turn"));
14666 moveType = BlackDrop;
14669 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14675 if (moveType == BlackDrop && selection < BlackPawn) {
14676 selection = (ChessSquare) ((int) selection
14677 + (int) BlackPawn - (int) WhitePawn);
14679 if (boards[currentMove][y][x] != EmptySquare) {
14680 DisplayMoveError(_("That square is occupied"));
14684 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14690 /* Accept a pending offer of any kind from opponent */
14692 if (appData.icsActive) {
14693 SendToICS(ics_prefix);
14694 SendToICS("accept\n");
14695 } else if (cmailMsgLoaded) {
14696 if (currentMove == cmailOldMove &&
14697 commentList[cmailOldMove] != NULL &&
14698 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14699 "Black offers a draw" : "White offers a draw")) {
14701 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14702 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14704 DisplayError(_("There is no pending offer on this move"), 0);
14705 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14708 /* Not used for offers from chess program */
14715 /* Decline a pending offer of any kind from opponent */
14717 if (appData.icsActive) {
14718 SendToICS(ics_prefix);
14719 SendToICS("decline\n");
14720 } else if (cmailMsgLoaded) {
14721 if (currentMove == cmailOldMove &&
14722 commentList[cmailOldMove] != NULL &&
14723 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14724 "Black offers a draw" : "White offers a draw")) {
14726 AppendComment(cmailOldMove, "Draw declined", TRUE);
14727 DisplayComment(cmailOldMove - 1, "Draw declined");
14730 DisplayError(_("There is no pending offer on this move"), 0);
14733 /* Not used for offers from chess program */
14740 /* Issue ICS rematch command */
14741 if (appData.icsActive) {
14742 SendToICS(ics_prefix);
14743 SendToICS("rematch\n");
14750 /* Call your opponent's flag (claim a win on time) */
14751 if (appData.icsActive) {
14752 SendToICS(ics_prefix);
14753 SendToICS("flag\n");
14755 switch (gameMode) {
14758 case MachinePlaysWhite:
14761 GameEnds(GameIsDrawn, "Both players ran out of time",
14764 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14766 DisplayError(_("Your opponent is not out of time"), 0);
14769 case MachinePlaysBlack:
14772 GameEnds(GameIsDrawn, "Both players ran out of time",
14775 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14777 DisplayError(_("Your opponent is not out of time"), 0);
14785 ClockClick (int which)
14786 { // [HGM] code moved to back-end from winboard.c
14787 if(which) { // black clock
14788 if (gameMode == EditPosition || gameMode == IcsExamining) {
14789 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14790 SetBlackToPlayEvent();
14791 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14792 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14793 } else if (shiftKey) {
14794 AdjustClock(which, -1);
14795 } else if (gameMode == IcsPlayingWhite ||
14796 gameMode == MachinePlaysBlack) {
14799 } else { // white clock
14800 if (gameMode == EditPosition || gameMode == IcsExamining) {
14801 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14802 SetWhiteToPlayEvent();
14803 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14804 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14805 } else if (shiftKey) {
14806 AdjustClock(which, -1);
14807 } else if (gameMode == IcsPlayingBlack ||
14808 gameMode == MachinePlaysWhite) {
14817 /* Offer draw or accept pending draw offer from opponent */
14819 if (appData.icsActive) {
14820 /* Note: tournament rules require draw offers to be
14821 made after you make your move but before you punch
14822 your clock. Currently ICS doesn't let you do that;
14823 instead, you immediately punch your clock after making
14824 a move, but you can offer a draw at any time. */
14826 SendToICS(ics_prefix);
14827 SendToICS("draw\n");
14828 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14829 } else if (cmailMsgLoaded) {
14830 if (currentMove == cmailOldMove &&
14831 commentList[cmailOldMove] != NULL &&
14832 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14833 "Black offers a draw" : "White offers a draw")) {
14834 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14835 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14836 } else if (currentMove == cmailOldMove + 1) {
14837 char *offer = WhiteOnMove(cmailOldMove) ?
14838 "White offers a draw" : "Black offers a draw";
14839 AppendComment(currentMove, offer, TRUE);
14840 DisplayComment(currentMove - 1, offer);
14841 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14843 DisplayError(_("You must make your move before offering a draw"), 0);
14844 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14846 } else if (first.offeredDraw) {
14847 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14849 if (first.sendDrawOffers) {
14850 SendToProgram("draw\n", &first);
14851 userOfferedDraw = TRUE;
14859 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14861 if (appData.icsActive) {
14862 SendToICS(ics_prefix);
14863 SendToICS("adjourn\n");
14865 /* Currently GNU Chess doesn't offer or accept Adjourns */
14873 /* Offer Abort or accept pending Abort offer from opponent */
14875 if (appData.icsActive) {
14876 SendToICS(ics_prefix);
14877 SendToICS("abort\n");
14879 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14886 /* Resign. You can do this even if it's not your turn. */
14888 if (appData.icsActive) {
14889 SendToICS(ics_prefix);
14890 SendToICS("resign\n");
14892 switch (gameMode) {
14893 case MachinePlaysWhite:
14894 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14896 case MachinePlaysBlack:
14897 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14900 if (cmailMsgLoaded) {
14902 if (WhiteOnMove(cmailOldMove)) {
14903 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14905 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14907 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14918 StopObservingEvent ()
14920 /* Stop observing current games */
14921 SendToICS(ics_prefix);
14922 SendToICS("unobserve\n");
14926 StopExaminingEvent ()
14928 /* Stop observing current game */
14929 SendToICS(ics_prefix);
14930 SendToICS("unexamine\n");
14934 ForwardInner (int target)
14936 int limit; int oldSeekGraphUp = seekGraphUp;
14938 if (appData.debugMode)
14939 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14940 target, currentMove, forwardMostMove);
14942 if (gameMode == EditPosition)
14945 seekGraphUp = FALSE;
14946 MarkTargetSquares(1);
14948 if (gameMode == PlayFromGameFile && !pausing)
14951 if (gameMode == IcsExamining && pausing)
14952 limit = pauseExamForwardMostMove;
14954 limit = forwardMostMove;
14956 if (target > limit) target = limit;
14958 if (target > 0 && moveList[target - 1][0]) {
14959 int fromX, fromY, toX, toY;
14960 toX = moveList[target - 1][2] - AAA;
14961 toY = moveList[target - 1][3] - ONE;
14962 if (moveList[target - 1][1] == '@') {
14963 if (appData.highlightLastMove) {
14964 SetHighlights(-1, -1, toX, toY);
14967 fromX = moveList[target - 1][0] - AAA;
14968 fromY = moveList[target - 1][1] - ONE;
14969 if (target == currentMove + 1) {
14970 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14972 if (appData.highlightLastMove) {
14973 SetHighlights(fromX, fromY, toX, toY);
14977 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14978 gameMode == Training || gameMode == PlayFromGameFile ||
14979 gameMode == AnalyzeFile) {
14980 while (currentMove < target) {
14981 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14982 SendMoveToProgram(currentMove++, &first);
14985 currentMove = target;
14988 if (gameMode == EditGame || gameMode == EndOfGame) {
14989 whiteTimeRemaining = timeRemaining[0][currentMove];
14990 blackTimeRemaining = timeRemaining[1][currentMove];
14992 DisplayBothClocks();
14993 DisplayMove(currentMove - 1);
14994 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14995 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14996 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14997 DisplayComment(currentMove - 1, commentList[currentMove]);
14999 ClearMap(); // [HGM] exclude: invalidate map
15006 if (gameMode == IcsExamining && !pausing) {
15007 SendToICS(ics_prefix);
15008 SendToICS("forward\n");
15010 ForwardInner(currentMove + 1);
15017 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15018 /* to optimze, we temporarily turn off analysis mode while we feed
15019 * the remaining moves to the engine. Otherwise we get analysis output
15022 if (first.analysisSupport) {
15023 SendToProgram("exit\nforce\n", &first);
15024 first.analyzing = FALSE;
15028 if (gameMode == IcsExamining && !pausing) {
15029 SendToICS(ics_prefix);
15030 SendToICS("forward 999999\n");
15032 ForwardInner(forwardMostMove);
15035 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15036 /* we have fed all the moves, so reactivate analysis mode */
15037 SendToProgram("analyze\n", &first);
15038 first.analyzing = TRUE;
15039 /*first.maybeThinking = TRUE;*/
15040 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15045 BackwardInner (int target)
15047 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15049 if (appData.debugMode)
15050 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15051 target, currentMove, forwardMostMove);
15053 if (gameMode == EditPosition) return;
15054 seekGraphUp = FALSE;
15055 MarkTargetSquares(1);
15056 if (currentMove <= backwardMostMove) {
15058 DrawPosition(full_redraw, boards[currentMove]);
15061 if (gameMode == PlayFromGameFile && !pausing)
15064 if (moveList[target][0]) {
15065 int fromX, fromY, toX, toY;
15066 toX = moveList[target][2] - AAA;
15067 toY = moveList[target][3] - ONE;
15068 if (moveList[target][1] == '@') {
15069 if (appData.highlightLastMove) {
15070 SetHighlights(-1, -1, toX, toY);
15073 fromX = moveList[target][0] - AAA;
15074 fromY = moveList[target][1] - ONE;
15075 if (target == currentMove - 1) {
15076 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15078 if (appData.highlightLastMove) {
15079 SetHighlights(fromX, fromY, toX, toY);
15083 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15084 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15085 while (currentMove > target) {
15086 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15087 // null move cannot be undone. Reload program with move history before it.
15089 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15090 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15092 SendBoard(&first, i);
15093 if(second.analyzing) SendBoard(&second, i);
15094 for(currentMove=i; currentMove<target; currentMove++) {
15095 SendMoveToProgram(currentMove, &first);
15096 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15100 SendToBoth("undo\n");
15104 currentMove = target;
15107 if (gameMode == EditGame || gameMode == EndOfGame) {
15108 whiteTimeRemaining = timeRemaining[0][currentMove];
15109 blackTimeRemaining = timeRemaining[1][currentMove];
15111 DisplayBothClocks();
15112 DisplayMove(currentMove - 1);
15113 DrawPosition(full_redraw, boards[currentMove]);
15114 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15115 // [HGM] PV info: routine tests if comment empty
15116 DisplayComment(currentMove - 1, commentList[currentMove]);
15117 ClearMap(); // [HGM] exclude: invalidate map
15123 if (gameMode == IcsExamining && !pausing) {
15124 SendToICS(ics_prefix);
15125 SendToICS("backward\n");
15127 BackwardInner(currentMove - 1);
15134 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15135 /* to optimize, we temporarily turn off analysis mode while we undo
15136 * all the moves. Otherwise we get analysis output after each undo.
15138 if (first.analysisSupport) {
15139 SendToProgram("exit\nforce\n", &first);
15140 first.analyzing = FALSE;
15144 if (gameMode == IcsExamining && !pausing) {
15145 SendToICS(ics_prefix);
15146 SendToICS("backward 999999\n");
15148 BackwardInner(backwardMostMove);
15151 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15152 /* we have fed all the moves, so reactivate analysis mode */
15153 SendToProgram("analyze\n", &first);
15154 first.analyzing = TRUE;
15155 /*first.maybeThinking = TRUE;*/
15156 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15163 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15164 if (to >= forwardMostMove) to = forwardMostMove;
15165 if (to <= backwardMostMove) to = backwardMostMove;
15166 if (to < currentMove) {
15174 RevertEvent (Boolean annotate)
15176 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15179 if (gameMode != IcsExamining) {
15180 DisplayError(_("You are not examining a game"), 0);
15184 DisplayError(_("You can't revert while pausing"), 0);
15187 SendToICS(ics_prefix);
15188 SendToICS("revert\n");
15192 RetractMoveEvent ()
15194 switch (gameMode) {
15195 case MachinePlaysWhite:
15196 case MachinePlaysBlack:
15197 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15198 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15201 if (forwardMostMove < 2) return;
15202 currentMove = forwardMostMove = forwardMostMove - 2;
15203 whiteTimeRemaining = timeRemaining[0][currentMove];
15204 blackTimeRemaining = timeRemaining[1][currentMove];
15205 DisplayBothClocks();
15206 DisplayMove(currentMove - 1);
15207 ClearHighlights();/*!! could figure this out*/
15208 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15209 SendToProgram("remove\n", &first);
15210 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15213 case BeginningOfGame:
15217 case IcsPlayingWhite:
15218 case IcsPlayingBlack:
15219 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15220 SendToICS(ics_prefix);
15221 SendToICS("takeback 2\n");
15223 SendToICS(ics_prefix);
15224 SendToICS("takeback 1\n");
15233 ChessProgramState *cps;
15235 switch (gameMode) {
15236 case MachinePlaysWhite:
15237 if (!WhiteOnMove(forwardMostMove)) {
15238 DisplayError(_("It is your turn"), 0);
15243 case MachinePlaysBlack:
15244 if (WhiteOnMove(forwardMostMove)) {
15245 DisplayError(_("It is your turn"), 0);
15250 case TwoMachinesPlay:
15251 if (WhiteOnMove(forwardMostMove) ==
15252 (first.twoMachinesColor[0] == 'w')) {
15258 case BeginningOfGame:
15262 SendToProgram("?\n", cps);
15266 TruncateGameEvent ()
15269 if (gameMode != EditGame) return;
15276 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15277 if (forwardMostMove > currentMove) {
15278 if (gameInfo.resultDetails != NULL) {
15279 free(gameInfo.resultDetails);
15280 gameInfo.resultDetails = NULL;
15281 gameInfo.result = GameUnfinished;
15283 forwardMostMove = currentMove;
15284 HistorySet(parseList, backwardMostMove, forwardMostMove,
15292 if (appData.noChessProgram) return;
15293 switch (gameMode) {
15294 case MachinePlaysWhite:
15295 if (WhiteOnMove(forwardMostMove)) {
15296 DisplayError(_("Wait until your turn"), 0);
15300 case BeginningOfGame:
15301 case MachinePlaysBlack:
15302 if (!WhiteOnMove(forwardMostMove)) {
15303 DisplayError(_("Wait until your turn"), 0);
15308 DisplayError(_("No hint available"), 0);
15311 SendToProgram("hint\n", &first);
15312 hintRequested = TRUE;
15318 ListGame * lg = (ListGame *) gameList.head;
15321 static int secondTime = FALSE;
15323 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15324 DisplayError(_("Game list not loaded or empty"), 0);
15328 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15331 DisplayNote(_("Book file exists! Try again for overwrite."));
15335 creatingBook = TRUE;
15336 secondTime = FALSE;
15338 /* Get list size */
15339 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15340 LoadGame(f, nItem, "", TRUE);
15341 AddGameToBook(TRUE);
15342 lg = (ListGame *) lg->node.succ;
15345 creatingBook = FALSE;
15352 if (appData.noChessProgram) return;
15353 switch (gameMode) {
15354 case MachinePlaysWhite:
15355 if (WhiteOnMove(forwardMostMove)) {
15356 DisplayError(_("Wait until your turn"), 0);
15360 case BeginningOfGame:
15361 case MachinePlaysBlack:
15362 if (!WhiteOnMove(forwardMostMove)) {
15363 DisplayError(_("Wait until your turn"), 0);
15368 EditPositionDone(TRUE);
15370 case TwoMachinesPlay:
15375 SendToProgram("bk\n", &first);
15376 bookOutput[0] = NULLCHAR;
15377 bookRequested = TRUE;
15383 char *tags = PGNTags(&gameInfo);
15384 TagsPopUp(tags, CmailMsg());
15388 /* end button procedures */
15391 PrintPosition (FILE *fp, int move)
15395 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15396 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15397 char c = PieceToChar(boards[move][i][j]);
15398 fputc(c == 'x' ? '.' : c, fp);
15399 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15402 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15403 fprintf(fp, "white to play\n");
15405 fprintf(fp, "black to play\n");
15409 PrintOpponents (FILE *fp)
15411 if (gameInfo.white != NULL) {
15412 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15418 /* Find last component of program's own name, using some heuristics */
15420 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15423 int local = (strcmp(host, "localhost") == 0);
15424 while (!local && (p = strchr(prog, ';')) != NULL) {
15426 while (*p == ' ') p++;
15429 if (*prog == '"' || *prog == '\'') {
15430 q = strchr(prog + 1, *prog);
15432 q = strchr(prog, ' ');
15434 if (q == NULL) q = prog + strlen(prog);
15436 while (p >= prog && *p != '/' && *p != '\\') p--;
15438 if(p == prog && *p == '"') p++;
15440 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15441 memcpy(buf, p, q - p);
15442 buf[q - p] = NULLCHAR;
15450 TimeControlTagValue ()
15453 if (!appData.clockMode) {
15454 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15455 } else if (movesPerSession > 0) {
15456 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15457 } else if (timeIncrement == 0) {
15458 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15460 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15462 return StrSave(buf);
15468 /* This routine is used only for certain modes */
15469 VariantClass v = gameInfo.variant;
15470 ChessMove r = GameUnfinished;
15473 if(keepInfo) return;
15475 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15476 r = gameInfo.result;
15477 p = gameInfo.resultDetails;
15478 gameInfo.resultDetails = NULL;
15480 ClearGameInfo(&gameInfo);
15481 gameInfo.variant = v;
15483 switch (gameMode) {
15484 case MachinePlaysWhite:
15485 gameInfo.event = StrSave( appData.pgnEventHeader );
15486 gameInfo.site = StrSave(HostName());
15487 gameInfo.date = PGNDate();
15488 gameInfo.round = StrSave("-");
15489 gameInfo.white = StrSave(first.tidy);
15490 gameInfo.black = StrSave(UserName());
15491 gameInfo.timeControl = TimeControlTagValue();
15494 case MachinePlaysBlack:
15495 gameInfo.event = StrSave( appData.pgnEventHeader );
15496 gameInfo.site = StrSave(HostName());
15497 gameInfo.date = PGNDate();
15498 gameInfo.round = StrSave("-");
15499 gameInfo.white = StrSave(UserName());
15500 gameInfo.black = StrSave(first.tidy);
15501 gameInfo.timeControl = TimeControlTagValue();
15504 case TwoMachinesPlay:
15505 gameInfo.event = StrSave( appData.pgnEventHeader );
15506 gameInfo.site = StrSave(HostName());
15507 gameInfo.date = PGNDate();
15510 snprintf(buf, MSG_SIZ, "%d", roundNr);
15511 gameInfo.round = StrSave(buf);
15513 gameInfo.round = StrSave("-");
15515 if (first.twoMachinesColor[0] == 'w') {
15516 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15517 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15519 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15520 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15522 gameInfo.timeControl = TimeControlTagValue();
15526 gameInfo.event = StrSave("Edited game");
15527 gameInfo.site = StrSave(HostName());
15528 gameInfo.date = PGNDate();
15529 gameInfo.round = StrSave("-");
15530 gameInfo.white = StrSave("-");
15531 gameInfo.black = StrSave("-");
15532 gameInfo.result = r;
15533 gameInfo.resultDetails = p;
15537 gameInfo.event = StrSave("Edited position");
15538 gameInfo.site = StrSave(HostName());
15539 gameInfo.date = PGNDate();
15540 gameInfo.round = StrSave("-");
15541 gameInfo.white = StrSave("-");
15542 gameInfo.black = StrSave("-");
15545 case IcsPlayingWhite:
15546 case IcsPlayingBlack:
15551 case PlayFromGameFile:
15552 gameInfo.event = StrSave("Game from non-PGN file");
15553 gameInfo.site = StrSave(HostName());
15554 gameInfo.date = PGNDate();
15555 gameInfo.round = StrSave("-");
15556 gameInfo.white = StrSave("?");
15557 gameInfo.black = StrSave("?");
15566 ReplaceComment (int index, char *text)
15572 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15573 pvInfoList[index-1].depth == len &&
15574 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15575 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15576 while (*text == '\n') text++;
15577 len = strlen(text);
15578 while (len > 0 && text[len - 1] == '\n') len--;
15580 if (commentList[index] != NULL)
15581 free(commentList[index]);
15584 commentList[index] = NULL;
15587 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15588 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15589 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15590 commentList[index] = (char *) malloc(len + 2);
15591 strncpy(commentList[index], text, len);
15592 commentList[index][len] = '\n';
15593 commentList[index][len + 1] = NULLCHAR;
15595 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15597 commentList[index] = (char *) malloc(len + 7);
15598 safeStrCpy(commentList[index], "{\n", 3);
15599 safeStrCpy(commentList[index]+2, text, len+1);
15600 commentList[index][len+2] = NULLCHAR;
15601 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15602 strcat(commentList[index], "\n}\n");
15607 CrushCRs (char *text)
15615 if (ch == '\r') continue;
15617 } while (ch != '\0');
15621 AppendComment (int index, char *text, Boolean addBraces)
15622 /* addBraces tells if we should add {} */
15627 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15628 if(addBraces == 3) addBraces = 0; else // force appending literally
15629 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15632 while (*text == '\n') text++;
15633 len = strlen(text);
15634 while (len > 0 && text[len - 1] == '\n') len--;
15635 text[len] = NULLCHAR;
15637 if (len == 0) return;
15639 if (commentList[index] != NULL) {
15640 Boolean addClosingBrace = addBraces;
15641 old = commentList[index];
15642 oldlen = strlen(old);
15643 while(commentList[index][oldlen-1] == '\n')
15644 commentList[index][--oldlen] = NULLCHAR;
15645 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15646 safeStrCpy(commentList[index], old, oldlen + len + 6);
15648 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15649 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15650 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15651 while (*text == '\n') { text++; len--; }
15652 commentList[index][--oldlen] = NULLCHAR;
15654 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15655 else strcat(commentList[index], "\n");
15656 strcat(commentList[index], text);
15657 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15658 else strcat(commentList[index], "\n");
15660 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15662 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15663 else commentList[index][0] = NULLCHAR;
15664 strcat(commentList[index], text);
15665 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15666 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15671 FindStr (char * text, char * sub_text)
15673 char * result = strstr( text, sub_text );
15675 if( result != NULL ) {
15676 result += strlen( sub_text );
15682 /* [AS] Try to extract PV info from PGN comment */
15683 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15685 GetInfoFromComment (int index, char * text)
15687 char * sep = text, *p;
15689 if( text != NULL && index > 0 ) {
15692 int time = -1, sec = 0, deci;
15693 char * s_eval = FindStr( text, "[%eval " );
15694 char * s_emt = FindStr( text, "[%emt " );
15696 if( s_eval != NULL || s_emt != NULL ) {
15698 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15703 if( s_eval != NULL ) {
15704 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15708 if( delim != ']' ) {
15713 if( s_emt != NULL ) {
15718 /* We expect something like: [+|-]nnn.nn/dd */
15721 if(*text != '{') return text; // [HGM] braces: must be normal comment
15723 sep = strchr( text, '/' );
15724 if( sep == NULL || sep < (text+4) ) {
15729 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15730 if(p[1] == '(') { // comment starts with PV
15731 p = strchr(p, ')'); // locate end of PV
15732 if(p == NULL || sep < p+5) return text;
15733 // at this point we have something like "{(.*) +0.23/6 ..."
15734 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15735 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15736 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15738 time = -1; sec = -1; deci = -1;
15739 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15740 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15741 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15742 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15746 if( score_lo < 0 || score_lo >= 100 ) {
15750 if(sec >= 0) time = 600*time + 10*sec; else
15751 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15753 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15755 /* [HGM] PV time: now locate end of PV info */
15756 while( *++sep >= '0' && *sep <= '9'); // strip depth
15758 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15760 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15762 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15763 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15774 pvInfoList[index-1].depth = depth;
15775 pvInfoList[index-1].score = score;
15776 pvInfoList[index-1].time = 10*time; // centi-sec
15777 if(*sep == '}') *sep = 0; else *--sep = '{';
15778 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15784 SendToProgram (char *message, ChessProgramState *cps)
15786 int count, outCount, error;
15789 if (cps->pr == NoProc) return;
15792 if (appData.debugMode) {
15795 fprintf(debugFP, "%ld >%-6s: %s",
15796 SubtractTimeMarks(&now, &programStartTime),
15797 cps->which, message);
15799 fprintf(serverFP, "%ld >%-6s: %s",
15800 SubtractTimeMarks(&now, &programStartTime),
15801 cps->which, message), fflush(serverFP);
15804 count = strlen(message);
15805 outCount = OutputToProcess(cps->pr, message, count, &error);
15806 if (outCount < count && !exiting
15807 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15808 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15809 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15810 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15811 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15812 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15813 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15814 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15816 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15817 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15818 gameInfo.result = res;
15820 gameInfo.resultDetails = StrSave(buf);
15822 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15823 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15828 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15832 ChessProgramState *cps = (ChessProgramState *)closure;
15834 if (isr != cps->isr) return; /* Killed intentionally */
15837 RemoveInputSource(cps->isr);
15838 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15839 _(cps->which), cps->program);
15840 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15841 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15842 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15843 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15844 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15845 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15847 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15848 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15849 gameInfo.result = res;
15851 gameInfo.resultDetails = StrSave(buf);
15853 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15854 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15856 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15857 _(cps->which), cps->program);
15858 RemoveInputSource(cps->isr);
15860 /* [AS] Program is misbehaving badly... kill it */
15861 if( count == -2 ) {
15862 DestroyChildProcess( cps->pr, 9 );
15866 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15871 if ((end_str = strchr(message, '\r')) != NULL)
15872 *end_str = NULLCHAR;
15873 if ((end_str = strchr(message, '\n')) != NULL)
15874 *end_str = NULLCHAR;
15876 if (appData.debugMode) {
15877 TimeMark now; int print = 1;
15878 char *quote = ""; char c; int i;
15880 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15881 char start = message[0];
15882 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15883 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15884 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15885 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15886 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15887 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15888 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15889 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15890 sscanf(message, "hint: %c", &c)!=1 &&
15891 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15892 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15893 print = (appData.engineComments >= 2);
15895 message[0] = start; // restore original message
15899 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15900 SubtractTimeMarks(&now, &programStartTime), cps->which,
15904 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15905 SubtractTimeMarks(&now, &programStartTime), cps->which,
15907 message), fflush(serverFP);
15911 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15912 if (appData.icsEngineAnalyze) {
15913 if (strstr(message, "whisper") != NULL ||
15914 strstr(message, "kibitz") != NULL ||
15915 strstr(message, "tellics") != NULL) return;
15918 HandleMachineMove(message, cps);
15923 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15928 if( timeControl_2 > 0 ) {
15929 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15930 tc = timeControl_2;
15933 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15934 inc /= cps->timeOdds;
15935 st /= cps->timeOdds;
15937 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15940 /* Set exact time per move, normally using st command */
15941 if (cps->stKludge) {
15942 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15944 if (seconds == 0) {
15945 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15947 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15950 snprintf(buf, MSG_SIZ, "st %d\n", st);
15953 /* Set conventional or incremental time control, using level command */
15954 if (seconds == 0) {
15955 /* Note old gnuchess bug -- minutes:seconds used to not work.
15956 Fixed in later versions, but still avoid :seconds
15957 when seconds is 0. */
15958 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15960 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15961 seconds, inc/1000.);
15964 SendToProgram(buf, cps);
15966 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15967 /* Orthogonally, limit search to given depth */
15969 if (cps->sdKludge) {
15970 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15972 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15974 SendToProgram(buf, cps);
15977 if(cps->nps >= 0) { /* [HGM] nps */
15978 if(cps->supportsNPS == FALSE)
15979 cps->nps = -1; // don't use if engine explicitly says not supported!
15981 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15982 SendToProgram(buf, cps);
15987 ChessProgramState *
15989 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15991 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15992 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15998 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16000 char message[MSG_SIZ];
16003 /* Note: this routine must be called when the clocks are stopped
16004 or when they have *just* been set or switched; otherwise
16005 it will be off by the time since the current tick started.
16007 if (machineWhite) {
16008 time = whiteTimeRemaining / 10;
16009 otime = blackTimeRemaining / 10;
16011 time = blackTimeRemaining / 10;
16012 otime = whiteTimeRemaining / 10;
16014 /* [HGM] translate opponent's time by time-odds factor */
16015 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16017 if (time <= 0) time = 1;
16018 if (otime <= 0) otime = 1;
16020 snprintf(message, MSG_SIZ, "time %ld\n", time);
16021 SendToProgram(message, cps);
16023 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16024 SendToProgram(message, cps);
16028 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16031 int len = strlen(name);
16034 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16036 sscanf(*p, "%d", &val);
16038 while (**p && **p != ' ')
16040 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16041 SendToProgram(buf, cps);
16048 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16051 int len = strlen(name);
16052 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16054 sscanf(*p, "%d", loc);
16055 while (**p && **p != ' ') (*p)++;
16056 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16057 SendToProgram(buf, cps);
16064 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16067 int len = strlen(name);
16068 if (strncmp((*p), name, len) == 0
16069 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16071 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16072 sscanf(*p, "%[^\"]", *loc);
16073 while (**p && **p != '\"') (*p)++;
16074 if (**p == '\"') (*p)++;
16075 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16076 SendToProgram(buf, cps);
16083 ParseOption (Option *opt, ChessProgramState *cps)
16084 // [HGM] options: process the string that defines an engine option, and determine
16085 // name, type, default value, and allowed value range
16087 char *p, *q, buf[MSG_SIZ];
16088 int n, min = (-1)<<31, max = 1<<31, def;
16090 if(p = strstr(opt->name, " -spin ")) {
16091 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16092 if(max < min) max = min; // enforce consistency
16093 if(def < min) def = min;
16094 if(def > max) def = max;
16099 } else if((p = strstr(opt->name, " -slider "))) {
16100 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16101 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16102 if(max < min) max = min; // enforce consistency
16103 if(def < min) def = min;
16104 if(def > max) def = max;
16108 opt->type = Spin; // Slider;
16109 } else if((p = strstr(opt->name, " -string "))) {
16110 opt->textValue = p+9;
16111 opt->type = TextBox;
16112 } else if((p = strstr(opt->name, " -file "))) {
16113 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16114 opt->textValue = p+7;
16115 opt->type = FileName; // FileName;
16116 } else if((p = strstr(opt->name, " -path "))) {
16117 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16118 opt->textValue = p+7;
16119 opt->type = PathName; // PathName;
16120 } else if(p = strstr(opt->name, " -check ")) {
16121 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16122 opt->value = (def != 0);
16123 opt->type = CheckBox;
16124 } else if(p = strstr(opt->name, " -combo ")) {
16125 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16126 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16127 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16128 opt->value = n = 0;
16129 while(q = StrStr(q, " /// ")) {
16130 n++; *q = 0; // count choices, and null-terminate each of them
16132 if(*q == '*') { // remember default, which is marked with * prefix
16136 cps->comboList[cps->comboCnt++] = q;
16138 cps->comboList[cps->comboCnt++] = NULL;
16140 opt->type = ComboBox;
16141 } else if(p = strstr(opt->name, " -button")) {
16142 opt->type = Button;
16143 } else if(p = strstr(opt->name, " -save")) {
16144 opt->type = SaveButton;
16145 } else return FALSE;
16146 *p = 0; // terminate option name
16147 // now look if the command-line options define a setting for this engine option.
16148 if(cps->optionSettings && cps->optionSettings[0])
16149 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16150 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16151 snprintf(buf, MSG_SIZ, "option %s", p);
16152 if(p = strstr(buf, ",")) *p = 0;
16153 if(q = strchr(buf, '=')) switch(opt->type) {
16155 for(n=0; n<opt->max; n++)
16156 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16159 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16163 opt->value = atoi(q+1);
16168 SendToProgram(buf, cps);
16174 FeatureDone (ChessProgramState *cps, int val)
16176 DelayedEventCallback cb = GetDelayedEvent();
16177 if ((cb == InitBackEnd3 && cps == &first) ||
16178 (cb == SettingsMenuIfReady && cps == &second) ||
16179 (cb == LoadEngine) ||
16180 (cb == TwoMachinesEventIfReady)) {
16181 CancelDelayedEvent();
16182 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16184 cps->initDone = val;
16185 if(val) cps->reload = FALSE;
16188 /* Parse feature command from engine */
16190 ParseFeatures (char *args, ChessProgramState *cps)
16198 while (*p == ' ') p++;
16199 if (*p == NULLCHAR) return;
16201 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16202 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16203 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16204 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16205 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16206 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16207 if (BoolFeature(&p, "reuse", &val, cps)) {
16208 /* Engine can disable reuse, but can't enable it if user said no */
16209 if (!val) cps->reuse = FALSE;
16212 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16213 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16214 if (gameMode == TwoMachinesPlay) {
16215 DisplayTwoMachinesTitle();
16221 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16222 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16223 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16224 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16225 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16226 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16227 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16228 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16229 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16230 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16231 if (IntFeature(&p, "done", &val, cps)) {
16232 FeatureDone(cps, val);
16235 /* Added by Tord: */
16236 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16237 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16238 /* End of additions by Tord */
16240 /* [HGM] added features: */
16241 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16242 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16243 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16244 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16245 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16246 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16247 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16248 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16249 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16250 FREE(cps->option[cps->nrOptions].name);
16251 cps->option[cps->nrOptions].name = q; q = NULL;
16252 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16253 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16254 SendToProgram(buf, cps);
16257 if(cps->nrOptions >= MAX_OPTIONS) {
16259 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16260 DisplayError(buf, 0);
16264 /* End of additions by HGM */
16266 /* unknown feature: complain and skip */
16268 while (*q && *q != '=') q++;
16269 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16270 SendToProgram(buf, cps);
16276 while (*p && *p != '\"') p++;
16277 if (*p == '\"') p++;
16279 while (*p && *p != ' ') p++;
16287 PeriodicUpdatesEvent (int newState)
16289 if (newState == appData.periodicUpdates)
16292 appData.periodicUpdates=newState;
16294 /* Display type changes, so update it now */
16295 // DisplayAnalysis();
16297 /* Get the ball rolling again... */
16299 AnalysisPeriodicEvent(1);
16300 StartAnalysisClock();
16305 PonderNextMoveEvent (int newState)
16307 if (newState == appData.ponderNextMove) return;
16308 if (gameMode == EditPosition) EditPositionDone(TRUE);
16310 SendToProgram("hard\n", &first);
16311 if (gameMode == TwoMachinesPlay) {
16312 SendToProgram("hard\n", &second);
16315 SendToProgram("easy\n", &first);
16316 thinkOutput[0] = NULLCHAR;
16317 if (gameMode == TwoMachinesPlay) {
16318 SendToProgram("easy\n", &second);
16321 appData.ponderNextMove = newState;
16325 NewSettingEvent (int option, int *feature, char *command, int value)
16329 if (gameMode == EditPosition) EditPositionDone(TRUE);
16330 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16331 if(feature == NULL || *feature) SendToProgram(buf, &first);
16332 if (gameMode == TwoMachinesPlay) {
16333 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16338 ShowThinkingEvent ()
16339 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16341 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16342 int newState = appData.showThinking
16343 // [HGM] thinking: other features now need thinking output as well
16344 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16346 if (oldState == newState) return;
16347 oldState = newState;
16348 if (gameMode == EditPosition) EditPositionDone(TRUE);
16350 SendToProgram("post\n", &first);
16351 if (gameMode == TwoMachinesPlay) {
16352 SendToProgram("post\n", &second);
16355 SendToProgram("nopost\n", &first);
16356 thinkOutput[0] = NULLCHAR;
16357 if (gameMode == TwoMachinesPlay) {
16358 SendToProgram("nopost\n", &second);
16361 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16365 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16367 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16368 if (pr == NoProc) return;
16369 AskQuestion(title, question, replyPrefix, pr);
16373 TypeInEvent (char firstChar)
16375 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16376 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16377 gameMode == AnalyzeMode || gameMode == EditGame ||
16378 gameMode == EditPosition || gameMode == IcsExamining ||
16379 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16380 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16381 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16382 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16383 gameMode == Training) PopUpMoveDialog(firstChar);
16387 TypeInDoneEvent (char *move)
16390 int n, fromX, fromY, toX, toY;
16392 ChessMove moveType;
16395 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16396 EditPositionPasteFEN(move);
16399 // [HGM] movenum: allow move number to be typed in any mode
16400 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16404 // undocumented kludge: allow command-line option to be typed in!
16405 // (potentially fatal, and does not implement the effect of the option.)
16406 // should only be used for options that are values on which future decisions will be made,
16407 // and definitely not on options that would be used during initialization.
16408 if(strstr(move, "!!! -") == move) {
16409 ParseArgsFromString(move+4);
16413 if (gameMode != EditGame && currentMove != forwardMostMove &&
16414 gameMode != Training) {
16415 DisplayMoveError(_("Displayed move is not current"));
16417 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16418 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16419 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16420 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16421 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16422 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16424 DisplayMoveError(_("Could not parse move"));
16430 DisplayMove (int moveNumber)
16432 char message[MSG_SIZ];
16434 char cpThinkOutput[MSG_SIZ];
16436 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16438 if (moveNumber == forwardMostMove - 1 ||
16439 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16441 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16443 if (strchr(cpThinkOutput, '\n')) {
16444 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16447 *cpThinkOutput = NULLCHAR;
16450 /* [AS] Hide thinking from human user */
16451 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16452 *cpThinkOutput = NULLCHAR;
16453 if( thinkOutput[0] != NULLCHAR ) {
16456 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16457 cpThinkOutput[i] = '.';
16459 cpThinkOutput[i] = NULLCHAR;
16460 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16464 if (moveNumber == forwardMostMove - 1 &&
16465 gameInfo.resultDetails != NULL) {
16466 if (gameInfo.resultDetails[0] == NULLCHAR) {
16467 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16469 snprintf(res, MSG_SIZ, " {%s} %s",
16470 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16476 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16477 DisplayMessage(res, cpThinkOutput);
16479 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16480 WhiteOnMove(moveNumber) ? " " : ".. ",
16481 parseList[moveNumber], res);
16482 DisplayMessage(message, cpThinkOutput);
16487 DisplayComment (int moveNumber, char *text)
16489 char title[MSG_SIZ];
16491 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16492 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16494 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16495 WhiteOnMove(moveNumber) ? " " : ".. ",
16496 parseList[moveNumber]);
16498 if (text != NULL && (appData.autoDisplayComment || commentUp))
16499 CommentPopUp(title, text);
16502 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16503 * might be busy thinking or pondering. It can be omitted if your
16504 * gnuchess is configured to stop thinking immediately on any user
16505 * input. However, that gnuchess feature depends on the FIONREAD
16506 * ioctl, which does not work properly on some flavors of Unix.
16509 Attention (ChessProgramState *cps)
16512 if (!cps->useSigint) return;
16513 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16514 switch (gameMode) {
16515 case MachinePlaysWhite:
16516 case MachinePlaysBlack:
16517 case TwoMachinesPlay:
16518 case IcsPlayingWhite:
16519 case IcsPlayingBlack:
16522 /* Skip if we know it isn't thinking */
16523 if (!cps->maybeThinking) return;
16524 if (appData.debugMode)
16525 fprintf(debugFP, "Interrupting %s\n", cps->which);
16526 InterruptChildProcess(cps->pr);
16527 cps->maybeThinking = FALSE;
16532 #endif /*ATTENTION*/
16538 if (whiteTimeRemaining <= 0) {
16541 if (appData.icsActive) {
16542 if (appData.autoCallFlag &&
16543 gameMode == IcsPlayingBlack && !blackFlag) {
16544 SendToICS(ics_prefix);
16545 SendToICS("flag\n");
16549 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16551 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16552 if (appData.autoCallFlag) {
16553 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16560 if (blackTimeRemaining <= 0) {
16563 if (appData.icsActive) {
16564 if (appData.autoCallFlag &&
16565 gameMode == IcsPlayingWhite && !whiteFlag) {
16566 SendToICS(ics_prefix);
16567 SendToICS("flag\n");
16571 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16573 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16574 if (appData.autoCallFlag) {
16575 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16586 CheckTimeControl ()
16588 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16589 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16592 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16594 if ( !WhiteOnMove(forwardMostMove) ) {
16595 /* White made time control */
16596 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16597 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16598 /* [HGM] time odds: correct new time quota for time odds! */
16599 / WhitePlayer()->timeOdds;
16600 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16602 lastBlack -= blackTimeRemaining;
16603 /* Black made time control */
16604 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16605 / WhitePlayer()->other->timeOdds;
16606 lastWhite = whiteTimeRemaining;
16611 DisplayBothClocks ()
16613 int wom = gameMode == EditPosition ?
16614 !blackPlaysFirst : WhiteOnMove(currentMove);
16615 DisplayWhiteClock(whiteTimeRemaining, wom);
16616 DisplayBlackClock(blackTimeRemaining, !wom);
16620 /* Timekeeping seems to be a portability nightmare. I think everyone
16621 has ftime(), but I'm really not sure, so I'm including some ifdefs
16622 to use other calls if you don't. Clocks will be less accurate if
16623 you have neither ftime nor gettimeofday.
16626 /* VS 2008 requires the #include outside of the function */
16627 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16628 #include <sys/timeb.h>
16631 /* Get the current time as a TimeMark */
16633 GetTimeMark (TimeMark *tm)
16635 #if HAVE_GETTIMEOFDAY
16637 struct timeval timeVal;
16638 struct timezone timeZone;
16640 gettimeofday(&timeVal, &timeZone);
16641 tm->sec = (long) timeVal.tv_sec;
16642 tm->ms = (int) (timeVal.tv_usec / 1000L);
16644 #else /*!HAVE_GETTIMEOFDAY*/
16647 // include <sys/timeb.h> / moved to just above start of function
16648 struct timeb timeB;
16651 tm->sec = (long) timeB.time;
16652 tm->ms = (int) timeB.millitm;
16654 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16655 tm->sec = (long) time(NULL);
16661 /* Return the difference in milliseconds between two
16662 time marks. We assume the difference will fit in a long!
16665 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16667 return 1000L*(tm2->sec - tm1->sec) +
16668 (long) (tm2->ms - tm1->ms);
16673 * Code to manage the game clocks.
16675 * In tournament play, black starts the clock and then white makes a move.
16676 * We give the human user a slight advantage if he is playing white---the
16677 * clocks don't run until he makes his first move, so it takes zero time.
16678 * Also, we don't account for network lag, so we could get out of sync
16679 * with GNU Chess's clock -- but then, referees are always right.
16682 static TimeMark tickStartTM;
16683 static long intendedTickLength;
16686 NextTickLength (long timeRemaining)
16688 long nominalTickLength, nextTickLength;
16690 if (timeRemaining > 0L && timeRemaining <= 10000L)
16691 nominalTickLength = 100L;
16693 nominalTickLength = 1000L;
16694 nextTickLength = timeRemaining % nominalTickLength;
16695 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16697 return nextTickLength;
16700 /* Adjust clock one minute up or down */
16702 AdjustClock (Boolean which, int dir)
16704 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16705 if(which) blackTimeRemaining += 60000*dir;
16706 else whiteTimeRemaining += 60000*dir;
16707 DisplayBothClocks();
16708 adjustedClock = TRUE;
16711 /* Stop clocks and reset to a fresh time control */
16715 (void) StopClockTimer();
16716 if (appData.icsActive) {
16717 whiteTimeRemaining = blackTimeRemaining = 0;
16718 } else if (searchTime) {
16719 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16720 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16721 } else { /* [HGM] correct new time quote for time odds */
16722 whiteTC = blackTC = fullTimeControlString;
16723 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16724 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16726 if (whiteFlag || blackFlag) {
16728 whiteFlag = blackFlag = FALSE;
16730 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16731 DisplayBothClocks();
16732 adjustedClock = FALSE;
16735 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16737 /* Decrement running clock by amount of time that has passed */
16741 long timeRemaining;
16742 long lastTickLength, fudge;
16745 if (!appData.clockMode) return;
16746 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16750 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16752 /* Fudge if we woke up a little too soon */
16753 fudge = intendedTickLength - lastTickLength;
16754 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16756 if (WhiteOnMove(forwardMostMove)) {
16757 if(whiteNPS >= 0) lastTickLength = 0;
16758 timeRemaining = whiteTimeRemaining -= lastTickLength;
16759 if(timeRemaining < 0 && !appData.icsActive) {
16760 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16761 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16762 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16763 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16766 DisplayWhiteClock(whiteTimeRemaining - fudge,
16767 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16769 if(blackNPS >= 0) lastTickLength = 0;
16770 timeRemaining = blackTimeRemaining -= lastTickLength;
16771 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16772 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16774 blackStartMove = forwardMostMove;
16775 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16778 DisplayBlackClock(blackTimeRemaining - fudge,
16779 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16781 if (CheckFlags()) return;
16783 if(twoBoards) { // count down secondary board's clocks as well
16784 activePartnerTime -= lastTickLength;
16786 if(activePartner == 'W')
16787 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16789 DisplayBlackClock(activePartnerTime, TRUE);
16794 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16795 StartClockTimer(intendedTickLength);
16797 /* if the time remaining has fallen below the alarm threshold, sound the
16798 * alarm. if the alarm has sounded and (due to a takeback or time control
16799 * with increment) the time remaining has increased to a level above the
16800 * threshold, reset the alarm so it can sound again.
16803 if (appData.icsActive && appData.icsAlarm) {
16805 /* make sure we are dealing with the user's clock */
16806 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16807 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16810 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16811 alarmSounded = FALSE;
16812 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16814 alarmSounded = TRUE;
16820 /* A player has just moved, so stop the previously running
16821 clock and (if in clock mode) start the other one.
16822 We redisplay both clocks in case we're in ICS mode, because
16823 ICS gives us an update to both clocks after every move.
16824 Note that this routine is called *after* forwardMostMove
16825 is updated, so the last fractional tick must be subtracted
16826 from the color that is *not* on move now.
16829 SwitchClocks (int newMoveNr)
16831 long lastTickLength;
16833 int flagged = FALSE;
16837 if (StopClockTimer() && appData.clockMode) {
16838 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16839 if (!WhiteOnMove(forwardMostMove)) {
16840 if(blackNPS >= 0) lastTickLength = 0;
16841 blackTimeRemaining -= lastTickLength;
16842 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16843 // if(pvInfoList[forwardMostMove].time == -1)
16844 pvInfoList[forwardMostMove].time = // use GUI time
16845 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16847 if(whiteNPS >= 0) lastTickLength = 0;
16848 whiteTimeRemaining -= lastTickLength;
16849 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16850 // if(pvInfoList[forwardMostMove].time == -1)
16851 pvInfoList[forwardMostMove].time =
16852 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16854 flagged = CheckFlags();
16856 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16857 CheckTimeControl();
16859 if (flagged || !appData.clockMode) return;
16861 switch (gameMode) {
16862 case MachinePlaysBlack:
16863 case MachinePlaysWhite:
16864 case BeginningOfGame:
16865 if (pausing) return;
16869 case PlayFromGameFile:
16877 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16878 if(WhiteOnMove(forwardMostMove))
16879 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16880 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16884 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16885 whiteTimeRemaining : blackTimeRemaining);
16886 StartClockTimer(intendedTickLength);
16890 /* Stop both clocks */
16894 long lastTickLength;
16897 if (!StopClockTimer()) return;
16898 if (!appData.clockMode) return;
16902 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16903 if (WhiteOnMove(forwardMostMove)) {
16904 if(whiteNPS >= 0) lastTickLength = 0;
16905 whiteTimeRemaining -= lastTickLength;
16906 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16908 if(blackNPS >= 0) lastTickLength = 0;
16909 blackTimeRemaining -= lastTickLength;
16910 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16915 /* Start clock of player on move. Time may have been reset, so
16916 if clock is already running, stop and restart it. */
16920 (void) StopClockTimer(); /* in case it was running already */
16921 DisplayBothClocks();
16922 if (CheckFlags()) return;
16924 if (!appData.clockMode) return;
16925 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16927 GetTimeMark(&tickStartTM);
16928 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16929 whiteTimeRemaining : blackTimeRemaining);
16931 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16932 whiteNPS = blackNPS = -1;
16933 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16934 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16935 whiteNPS = first.nps;
16936 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16937 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16938 blackNPS = first.nps;
16939 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16940 whiteNPS = second.nps;
16941 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16942 blackNPS = second.nps;
16943 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16945 StartClockTimer(intendedTickLength);
16949 TimeString (long ms)
16951 long second, minute, hour, day;
16953 static char buf[32];
16955 if (ms > 0 && ms <= 9900) {
16956 /* convert milliseconds to tenths, rounding up */
16957 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16959 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16963 /* convert milliseconds to seconds, rounding up */
16964 /* use floating point to avoid strangeness of integer division
16965 with negative dividends on many machines */
16966 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16973 day = second / (60 * 60 * 24);
16974 second = second % (60 * 60 * 24);
16975 hour = second / (60 * 60);
16976 second = second % (60 * 60);
16977 minute = second / 60;
16978 second = second % 60;
16981 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16982 sign, day, hour, minute, second);
16984 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16986 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16993 * This is necessary because some C libraries aren't ANSI C compliant yet.
16996 StrStr (char *string, char *match)
17000 length = strlen(match);
17002 for (i = strlen(string) - length; i >= 0; i--, string++)
17003 if (!strncmp(match, string, length))
17010 StrCaseStr (char *string, char *match)
17014 length = strlen(match);
17016 for (i = strlen(string) - length; i >= 0; i--, string++) {
17017 for (j = 0; j < length; j++) {
17018 if (ToLower(match[j]) != ToLower(string[j]))
17021 if (j == length) return string;
17029 StrCaseCmp (char *s1, char *s2)
17034 c1 = ToLower(*s1++);
17035 c2 = ToLower(*s2++);
17036 if (c1 > c2) return 1;
17037 if (c1 < c2) return -1;
17038 if (c1 == NULLCHAR) return 0;
17046 return isupper(c) ? tolower(c) : c;
17053 return islower(c) ? toupper(c) : c;
17055 #endif /* !_amigados */
17062 if ((ret = (char *) malloc(strlen(s) + 1)))
17064 safeStrCpy(ret, s, strlen(s)+1);
17070 StrSavePtr (char *s, char **savePtr)
17075 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17076 safeStrCpy(*savePtr, s, strlen(s)+1);
17088 clock = time((time_t *)NULL);
17089 tm = localtime(&clock);
17090 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17091 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17092 return StrSave(buf);
17097 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17099 int i, j, fromX, fromY, toX, toY;
17106 whiteToPlay = (gameMode == EditPosition) ?
17107 !blackPlaysFirst : (move % 2 == 0);
17110 /* Piece placement data */
17111 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17112 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17114 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17115 if (boards[move][i][j] == EmptySquare) {
17117 } else { ChessSquare piece = boards[move][i][j];
17118 if (emptycount > 0) {
17119 if(emptycount<10) /* [HGM] can be >= 10 */
17120 *p++ = '0' + emptycount;
17121 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17124 if(PieceToChar(piece) == '+') {
17125 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17127 piece = (ChessSquare)(DEMOTED piece);
17129 *p++ = PieceToChar(piece);
17131 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17132 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17137 if (emptycount > 0) {
17138 if(emptycount<10) /* [HGM] can be >= 10 */
17139 *p++ = '0' + emptycount;
17140 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17147 /* [HGM] print Crazyhouse or Shogi holdings */
17148 if( gameInfo.holdingsWidth ) {
17149 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17151 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17152 piece = boards[move][i][BOARD_WIDTH-1];
17153 if( piece != EmptySquare )
17154 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17155 *p++ = PieceToChar(piece);
17157 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17158 piece = boards[move][BOARD_HEIGHT-i-1][0];
17159 if( piece != EmptySquare )
17160 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17161 *p++ = PieceToChar(piece);
17164 if( q == p ) *p++ = '-';
17170 *p++ = whiteToPlay ? 'w' : 'b';
17173 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17174 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17176 if(nrCastlingRights) {
17178 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17179 /* [HGM] write directly from rights */
17180 if(boards[move][CASTLING][2] != NoRights &&
17181 boards[move][CASTLING][0] != NoRights )
17182 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17183 if(boards[move][CASTLING][2] != NoRights &&
17184 boards[move][CASTLING][1] != NoRights )
17185 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17186 if(boards[move][CASTLING][5] != NoRights &&
17187 boards[move][CASTLING][3] != NoRights )
17188 *p++ = boards[move][CASTLING][3] + AAA;
17189 if(boards[move][CASTLING][5] != NoRights &&
17190 boards[move][CASTLING][4] != NoRights )
17191 *p++ = boards[move][CASTLING][4] + AAA;
17194 /* [HGM] write true castling rights */
17195 if( nrCastlingRights == 6 ) {
17197 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17198 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17199 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17200 boards[move][CASTLING][2] != NoRights );
17201 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17202 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17203 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17204 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17205 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17209 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17210 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17211 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17212 boards[move][CASTLING][5] != NoRights );
17213 if(gameInfo.variant == VariantSChess) {
17214 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17215 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17216 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17217 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17222 if (q == p) *p++ = '-'; /* No castling rights */
17226 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17227 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17228 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17229 /* En passant target square */
17230 if (move > backwardMostMove) {
17231 fromX = moveList[move - 1][0] - AAA;
17232 fromY = moveList[move - 1][1] - ONE;
17233 toX = moveList[move - 1][2] - AAA;
17234 toY = moveList[move - 1][3] - ONE;
17235 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17236 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17237 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17239 /* 2-square pawn move just happened */
17241 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17245 } else if(move == backwardMostMove) {
17246 // [HGM] perhaps we should always do it like this, and forget the above?
17247 if((signed char)boards[move][EP_STATUS] >= 0) {
17248 *p++ = boards[move][EP_STATUS] + AAA;
17249 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17261 { int i = 0, j=move;
17263 /* [HGM] find reversible plies */
17264 if (appData.debugMode) { int k;
17265 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17266 for(k=backwardMostMove; k<=forwardMostMove; k++)
17267 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17271 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17272 if( j == backwardMostMove ) i += initialRulePlies;
17273 sprintf(p, "%d ", i);
17274 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17276 /* Fullmove number */
17277 sprintf(p, "%d", (move / 2) + 1);
17278 } else *--p = NULLCHAR;
17280 return StrSave(buf);
17284 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17288 int emptycount, virgin[BOARD_FILES];
17293 /* [HGM] by default clear Crazyhouse holdings, if present */
17294 if(gameInfo.holdingsWidth) {
17295 for(i=0; i<BOARD_HEIGHT; i++) {
17296 board[i][0] = EmptySquare; /* black holdings */
17297 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17298 board[i][1] = (ChessSquare) 0; /* black counts */
17299 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17303 /* Piece placement data */
17304 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17307 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17308 if (*p == '/') p++;
17309 emptycount = gameInfo.boardWidth - j;
17310 while (emptycount--)
17311 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17313 #if(BOARD_FILES >= 10)
17314 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17315 p++; emptycount=10;
17316 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17317 while (emptycount--)
17318 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17320 } else if (isdigit(*p)) {
17321 emptycount = *p++ - '0';
17322 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17323 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17324 while (emptycount--)
17325 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17326 } else if (*p == '+' || isalpha(*p)) {
17327 if (j >= gameInfo.boardWidth) return FALSE;
17329 piece = CharToPiece(*++p);
17330 if(piece == EmptySquare) return FALSE; /* unknown piece */
17331 piece = (ChessSquare) (PROMOTED piece ); p++;
17332 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17333 } else piece = CharToPiece(*p++);
17335 if(piece==EmptySquare) return FALSE; /* unknown piece */
17336 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17337 piece = (ChessSquare) (PROMOTED piece);
17338 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17341 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17347 while (*p == '/' || *p == ' ') p++;
17349 /* [HGM] look for Crazyhouse holdings here */
17350 while(*p==' ') p++;
17351 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17353 if(*p == '-' ) p++; /* empty holdings */ else {
17354 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17355 /* if we would allow FEN reading to set board size, we would */
17356 /* have to add holdings and shift the board read so far here */
17357 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17359 if((int) piece >= (int) BlackPawn ) {
17360 i = (int)piece - (int)BlackPawn;
17361 i = PieceToNumber((ChessSquare)i);
17362 if( i >= gameInfo.holdingsSize ) return FALSE;
17363 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17364 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17366 i = (int)piece - (int)WhitePawn;
17367 i = PieceToNumber((ChessSquare)i);
17368 if( i >= gameInfo.holdingsSize ) return FALSE;
17369 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17370 board[i][BOARD_WIDTH-2]++; /* black holdings */
17377 while(*p == ' ') p++;
17381 if(appData.colorNickNames) {
17382 if( c == appData.colorNickNames[0] ) c = 'w'; else
17383 if( c == appData.colorNickNames[1] ) c = 'b';
17387 *blackPlaysFirst = FALSE;
17390 *blackPlaysFirst = TRUE;
17396 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17397 /* return the extra info in global variiables */
17399 /* set defaults in case FEN is incomplete */
17400 board[EP_STATUS] = EP_UNKNOWN;
17401 for(i=0; i<nrCastlingRights; i++ ) {
17402 board[CASTLING][i] =
17403 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17404 } /* assume possible unless obviously impossible */
17405 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17406 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17407 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17408 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17409 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17410 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17411 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17412 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17415 while(*p==' ') p++;
17416 if(nrCastlingRights) {
17417 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17418 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17419 /* castling indicator present, so default becomes no castlings */
17420 for(i=0; i<nrCastlingRights; i++ ) {
17421 board[CASTLING][i] = NoRights;
17424 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17425 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17426 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17427 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17428 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17430 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17431 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17432 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17434 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17435 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17436 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17437 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17438 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17439 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17442 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17443 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17444 board[CASTLING][2] = whiteKingFile;
17445 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17446 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17449 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17450 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17451 board[CASTLING][2] = whiteKingFile;
17452 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17453 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17456 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17457 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17458 board[CASTLING][5] = blackKingFile;
17459 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17460 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17463 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17464 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17465 board[CASTLING][5] = blackKingFile;
17466 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17467 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17470 default: /* FRC castlings */
17471 if(c >= 'a') { /* black rights */
17472 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17473 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17474 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17475 if(i == BOARD_RGHT) break;
17476 board[CASTLING][5] = i;
17478 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17479 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17481 board[CASTLING][3] = c;
17483 board[CASTLING][4] = c;
17484 } else { /* white rights */
17485 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17486 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17487 if(board[0][i] == WhiteKing) break;
17488 if(i == BOARD_RGHT) break;
17489 board[CASTLING][2] = i;
17490 c -= AAA - 'a' + 'A';
17491 if(board[0][c] >= WhiteKing) break;
17493 board[CASTLING][0] = c;
17495 board[CASTLING][1] = c;
17499 for(i=0; i<nrCastlingRights; i++)
17500 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17501 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17502 if (appData.debugMode) {
17503 fprintf(debugFP, "FEN castling rights:");
17504 for(i=0; i<nrCastlingRights; i++)
17505 fprintf(debugFP, " %d", board[CASTLING][i]);
17506 fprintf(debugFP, "\n");
17509 while(*p==' ') p++;
17512 /* read e.p. field in games that know e.p. capture */
17513 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17514 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17515 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17517 p++; board[EP_STATUS] = EP_NONE;
17519 char c = *p++ - AAA;
17521 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17522 if(*p >= '0' && *p <='9') p++;
17523 board[EP_STATUS] = c;
17528 if(sscanf(p, "%d", &i) == 1) {
17529 FENrulePlies = i; /* 50-move ply counter */
17530 /* (The move number is still ignored) */
17537 EditPositionPasteFEN (char *fen)
17540 Board initial_position;
17542 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17543 DisplayError(_("Bad FEN position in clipboard"), 0);
17546 int savedBlackPlaysFirst = blackPlaysFirst;
17547 EditPositionEvent();
17548 blackPlaysFirst = savedBlackPlaysFirst;
17549 CopyBoard(boards[0], initial_position);
17550 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17551 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17552 DisplayBothClocks();
17553 DrawPosition(FALSE, boards[currentMove]);
17558 static char cseq[12] = "\\ ";
17561 set_cont_sequence (char *new_seq)
17566 // handle bad attempts to set the sequence
17568 return 0; // acceptable error - no debug
17570 len = strlen(new_seq);
17571 ret = (len > 0) && (len < sizeof(cseq));
17573 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17574 else if (appData.debugMode)
17575 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17580 reformat a source message so words don't cross the width boundary. internal
17581 newlines are not removed. returns the wrapped size (no null character unless
17582 included in source message). If dest is NULL, only calculate the size required
17583 for the dest buffer. lp argument indicats line position upon entry, and it's
17584 passed back upon exit.
17587 wrap (char *dest, char *src, int count, int width, int *lp)
17589 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17591 cseq_len = strlen(cseq);
17592 old_line = line = *lp;
17593 ansi = len = clen = 0;
17595 for (i=0; i < count; i++)
17597 if (src[i] == '\033')
17600 // if we hit the width, back up
17601 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17603 // store i & len in case the word is too long
17604 old_i = i, old_len = len;
17606 // find the end of the last word
17607 while (i && src[i] != ' ' && src[i] != '\n')
17613 // word too long? restore i & len before splitting it
17614 if ((old_i-i+clen) >= width)
17621 if (i && src[i-1] == ' ')
17624 if (src[i] != ' ' && src[i] != '\n')
17631 // now append the newline and continuation sequence
17636 strncpy(dest+len, cseq, cseq_len);
17644 dest[len] = src[i];
17648 if (src[i] == '\n')
17653 if (dest && appData.debugMode)
17655 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17656 count, width, line, len, *lp);
17657 show_bytes(debugFP, src, count);
17658 fprintf(debugFP, "\ndest: ");
17659 show_bytes(debugFP, dest, len);
17660 fprintf(debugFP, "\n");
17662 *lp = dest ? line : old_line;
17667 // [HGM] vari: routines for shelving variations
17668 Boolean modeRestore = FALSE;
17671 PushInner (int firstMove, int lastMove)
17673 int i, j, nrMoves = lastMove - firstMove;
17675 // push current tail of game on stack
17676 savedResult[storedGames] = gameInfo.result;
17677 savedDetails[storedGames] = gameInfo.resultDetails;
17678 gameInfo.resultDetails = NULL;
17679 savedFirst[storedGames] = firstMove;
17680 savedLast [storedGames] = lastMove;
17681 savedFramePtr[storedGames] = framePtr;
17682 framePtr -= nrMoves; // reserve space for the boards
17683 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17684 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17685 for(j=0; j<MOVE_LEN; j++)
17686 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17687 for(j=0; j<2*MOVE_LEN; j++)
17688 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17689 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17690 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17691 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17692 pvInfoList[firstMove+i-1].depth = 0;
17693 commentList[framePtr+i] = commentList[firstMove+i];
17694 commentList[firstMove+i] = NULL;
17698 forwardMostMove = firstMove; // truncate game so we can start variation
17702 PushTail (int firstMove, int lastMove)
17704 if(appData.icsActive) { // only in local mode
17705 forwardMostMove = currentMove; // mimic old ICS behavior
17708 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17710 PushInner(firstMove, lastMove);
17711 if(storedGames == 1) GreyRevert(FALSE);
17712 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17716 PopInner (Boolean annotate)
17719 char buf[8000], moveBuf[20];
17721 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17722 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17723 nrMoves = savedLast[storedGames] - currentMove;
17726 if(!WhiteOnMove(currentMove))
17727 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17728 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17729 for(i=currentMove; i<forwardMostMove; i++) {
17731 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17732 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17733 strcat(buf, moveBuf);
17734 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17735 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17739 for(i=1; i<=nrMoves; i++) { // copy last variation back
17740 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17741 for(j=0; j<MOVE_LEN; j++)
17742 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17743 for(j=0; j<2*MOVE_LEN; j++)
17744 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17745 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17746 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17747 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17748 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17749 commentList[currentMove+i] = commentList[framePtr+i];
17750 commentList[framePtr+i] = NULL;
17752 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17753 framePtr = savedFramePtr[storedGames];
17754 gameInfo.result = savedResult[storedGames];
17755 if(gameInfo.resultDetails != NULL) {
17756 free(gameInfo.resultDetails);
17758 gameInfo.resultDetails = savedDetails[storedGames];
17759 forwardMostMove = currentMove + nrMoves;
17763 PopTail (Boolean annotate)
17765 if(appData.icsActive) return FALSE; // only in local mode
17766 if(!storedGames) return FALSE; // sanity
17767 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17769 PopInner(annotate);
17770 if(currentMove < forwardMostMove) ForwardEvent(); else
17771 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17773 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17779 { // remove all shelved variations
17781 for(i=0; i<storedGames; i++) {
17782 if(savedDetails[i])
17783 free(savedDetails[i]);
17784 savedDetails[i] = NULL;
17786 for(i=framePtr; i<MAX_MOVES; i++) {
17787 if(commentList[i]) free(commentList[i]);
17788 commentList[i] = NULL;
17790 framePtr = MAX_MOVES-1;
17795 LoadVariation (int index, char *text)
17796 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17797 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17798 int level = 0, move;
17800 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17801 // first find outermost bracketing variation
17802 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17803 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17804 if(*p == '{') wait = '}'; else
17805 if(*p == '[') wait = ']'; else
17806 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17807 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17809 if(*p == wait) wait = NULLCHAR; // closing ]} found
17812 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17813 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17814 end[1] = NULLCHAR; // clip off comment beyond variation
17815 ToNrEvent(currentMove-1);
17816 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17817 // kludge: use ParsePV() to append variation to game
17818 move = currentMove;
17819 ParsePV(start, TRUE, TRUE);
17820 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17821 ClearPremoveHighlights();
17823 ToNrEvent(currentMove+1);
17829 char *p, *q, buf[MSG_SIZ];
17830 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17831 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17832 ParseArgsFromString(buf);
17833 ActivateTheme(TRUE); // also redo colors
17837 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17840 q = appData.themeNames;
17841 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17842 if(appData.useBitmaps) {
17843 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17844 appData.liteBackTextureFile, appData.darkBackTextureFile,
17845 appData.liteBackTextureMode,
17846 appData.darkBackTextureMode );
17848 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17849 Col2Text(2), // lightSquareColor
17850 Col2Text(3) ); // darkSquareColor
17852 if(appData.useBorder) {
17853 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17856 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17858 if(appData.useFont) {
17859 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17860 appData.renderPiecesWithFont,
17861 appData.fontToPieceTable,
17862 Col2Text(9), // appData.fontBackColorWhite
17863 Col2Text(10) ); // appData.fontForeColorBlack
17865 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17866 appData.pieceDirectory);
17867 if(!appData.pieceDirectory[0])
17868 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17869 Col2Text(0), // whitePieceColor
17870 Col2Text(1) ); // blackPieceColor
17872 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17873 Col2Text(4), // highlightSquareColor
17874 Col2Text(5) ); // premoveHighlightColor
17875 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17876 if(insert != q) insert[-1] = NULLCHAR;
17877 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17880 ActivateTheme(FALSE);