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 );
7115 HoverEvent (int hiX, int hiY, int x, int y)
7117 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7119 if(!first.highlight) return;
7120 if(hiX == -1 && hiY == -1 && x == fromX && y == fromY) // record markings
7121 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7122 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7123 else if(hiX != x || hiY != y) {
7124 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7125 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7126 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7127 if(marker[y][x] == 2 && legal[y][x] == 1) {
7129 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7130 SendToProgram(buf, &first);
7132 SetHighlights(fromX, fromY, x, y);
7136 void ReportClick(char *action, int x, int y)
7138 char buf[MSG_SIZ]; // Inform engine of what user does
7140 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7141 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7142 if(!first.highlight || gameMode == EditPosition) return;
7143 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7144 SendToProgram(buf, &first);
7148 LeftClick (ClickType clickType, int xPix, int yPix)
7151 Boolean saveAnimate;
7152 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7153 char promoChoice = NULLCHAR;
7155 static TimeMark lastClickTime, prevClickTime;
7157 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7159 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7161 if (clickType == Press) ErrorPopDown();
7163 x = EventToSquare(xPix, BOARD_WIDTH);
7164 y = EventToSquare(yPix, BOARD_HEIGHT);
7165 if (!flipView && y >= 0) {
7166 y = BOARD_HEIGHT - 1 - y;
7168 if (flipView && x >= 0) {
7169 x = BOARD_WIDTH - 1 - x;
7172 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7173 defaultPromoChoice = promoSweep;
7174 promoSweep = EmptySquare; // terminate sweep
7175 promoDefaultAltered = TRUE;
7176 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7179 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7180 if(clickType == Release) return; // ignore upclick of click-click destination
7181 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7182 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7183 if(gameInfo.holdingsWidth &&
7184 (WhiteOnMove(currentMove)
7185 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7186 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7187 // click in right holdings, for determining promotion piece
7188 ChessSquare p = boards[currentMove][y][x];
7189 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7190 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7191 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7192 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7197 DrawPosition(FALSE, boards[currentMove]);
7201 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7202 if(clickType == Press
7203 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7204 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7205 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7208 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7209 // could be static click on premove from-square: abort premove
7211 ClearPremoveHighlights();
7214 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7215 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7217 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7218 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7219 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7220 defaultPromoChoice = DefaultPromoChoice(side);
7223 autoQueen = appData.alwaysPromoteToQueen;
7227 gatingPiece = EmptySquare;
7228 if (clickType != Press) {
7229 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7230 DragPieceEnd(xPix, yPix); dragging = 0;
7231 DrawPosition(FALSE, NULL);
7235 doubleClick = FALSE;
7236 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7237 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7239 fromX = x; fromY = y; toX = toY = -1;
7240 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7241 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7242 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7244 if (OKToStartUserMove(fromX, fromY)) {
7246 ReportClick("lift", x, y);
7247 MarkTargetSquares(0);
7248 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7249 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7250 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7251 promoSweep = defaultPromoChoice;
7252 selectFlag = 0; lastX = xPix; lastY = yPix;
7253 Sweep(0); // Pawn that is going to promote: preview promotion piece
7254 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7256 if (appData.highlightDragging) {
7257 SetHighlights(fromX, fromY, -1, -1);
7261 } else fromX = fromY = -1;
7267 if (clickType == Press && gameMode != EditPosition) {
7272 // ignore off-board to clicks
7273 if(y < 0 || x < 0) return;
7275 /* Check if clicking again on the same color piece */
7276 fromP = boards[currentMove][fromY][fromX];
7277 toP = boards[currentMove][y][x];
7278 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7279 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7280 WhitePawn <= toP && toP <= WhiteKing &&
7281 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7282 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7283 (BlackPawn <= fromP && fromP <= BlackKing &&
7284 BlackPawn <= toP && toP <= BlackKing &&
7285 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7286 !(fromP == BlackKing && toP == BlackRook && frc))) {
7287 /* Clicked again on same color piece -- changed his mind */
7288 second = (x == fromX && y == fromY);
7289 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7290 second = FALSE; // first double-click rather than scond click
7291 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7293 promoDefaultAltered = FALSE;
7294 MarkTargetSquares(1);
7295 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7296 if (appData.highlightDragging) {
7297 SetHighlights(x, y, -1, -1);
7301 if (OKToStartUserMove(x, y)) {
7302 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7303 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7304 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7305 gatingPiece = boards[currentMove][fromY][fromX];
7306 else gatingPiece = doubleClick ? fromP : EmptySquare;
7308 fromY = y; dragging = 1;
7309 ReportClick("lift", x, y);
7310 MarkTargetSquares(0);
7311 DragPieceBegin(xPix, yPix, FALSE);
7312 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7313 promoSweep = defaultPromoChoice;
7314 selectFlag = 0; lastX = xPix; lastY = yPix;
7315 Sweep(0); // Pawn that is going to promote: preview promotion piece
7319 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7322 // ignore clicks on holdings
7323 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7326 if (clickType == Release && x == fromX && y == fromY) {
7327 DragPieceEnd(xPix, yPix); dragging = 0;
7329 // a deferred attempt to click-click move an empty square on top of a piece
7330 boards[currentMove][y][x] = EmptySquare;
7332 DrawPosition(FALSE, boards[currentMove]);
7333 fromX = fromY = -1; clearFlag = 0;
7336 if (appData.animateDragging) {
7337 /* Undo animation damage if any */
7338 DrawPosition(FALSE, NULL);
7340 if (second || sweepSelecting) {
7341 /* Second up/down in same square; just abort move */
7342 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7343 second = sweepSelecting = 0;
7345 gatingPiece = EmptySquare;
7346 MarkTargetSquares(1);
7349 ClearPremoveHighlights();
7351 /* First upclick in same square; start click-click mode */
7352 SetHighlights(x, y, -1, -1);
7359 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x]) {
7360 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7361 DisplayMessage(_("only marked squares are legal"),"");
7362 DrawPosition(TRUE, NULL);
7363 return; // ignore to-click
7366 /* we now have a different from- and (possibly off-board) to-square */
7367 /* Completed move */
7368 if(!sweepSelecting) {
7371 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7373 saveAnimate = appData.animate;
7374 if (clickType == Press) {
7375 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7376 // must be Edit Position mode with empty-square selected
7377 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7378 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7381 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7382 if(appData.sweepSelect) {
7383 ChessSquare piece = boards[currentMove][fromY][fromX];
7384 promoSweep = defaultPromoChoice;
7385 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7386 selectFlag = 0; lastX = xPix; lastY = yPix;
7387 Sweep(0); // Pawn that is going to promote: preview promotion piece
7389 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7390 MarkTargetSquares(1);
7392 return; // promo popup appears on up-click
7394 /* Finish clickclick move */
7395 if (appData.animate || appData.highlightLastMove) {
7396 SetHighlights(fromX, fromY, toX, toY);
7402 // [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
7403 /* Finish drag move */
7404 if (appData.highlightLastMove) {
7405 SetHighlights(fromX, fromY, toX, toY);
7410 DragPieceEnd(xPix, yPix); dragging = 0;
7411 /* Don't animate move and drag both */
7412 appData.animate = FALSE;
7415 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7416 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7417 ChessSquare piece = boards[currentMove][fromY][fromX];
7418 if(gameMode == EditPosition && piece != EmptySquare &&
7419 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7422 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7423 n = PieceToNumber(piece - (int)BlackPawn);
7424 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7425 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7426 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7428 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7429 n = PieceToNumber(piece);
7430 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7431 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7432 boards[currentMove][n][BOARD_WIDTH-2]++;
7434 boards[currentMove][fromY][fromX] = EmptySquare;
7438 MarkTargetSquares(1);
7439 DrawPosition(TRUE, boards[currentMove]);
7443 // off-board moves should not be highlighted
7444 if(x < 0 || y < 0) ClearHighlights();
7445 else ReportClick("put", x, y);
7447 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7449 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7450 SetHighlights(fromX, fromY, toX, toY);
7451 MarkTargetSquares(1);
7452 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7453 // [HGM] super: promotion to captured piece selected from holdings
7454 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7455 promotionChoice = TRUE;
7456 // kludge follows to temporarily execute move on display, without promoting yet
7457 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7458 boards[currentMove][toY][toX] = p;
7459 DrawPosition(FALSE, boards[currentMove]);
7460 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7461 boards[currentMove][toY][toX] = q;
7462 DisplayMessage("Click in holdings to choose piece", "");
7467 int oldMove = currentMove;
7468 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7469 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7470 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7471 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7472 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7473 DrawPosition(TRUE, boards[currentMove]);
7474 MarkTargetSquares(1);
7477 appData.animate = saveAnimate;
7478 if (appData.animate || appData.animateDragging) {
7479 /* Undo animation damage if needed */
7480 DrawPosition(FALSE, NULL);
7485 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7486 { // front-end-free part taken out of PieceMenuPopup
7487 int whichMenu; int xSqr, ySqr;
7489 if(seekGraphUp) { // [HGM] seekgraph
7490 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7491 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7495 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7496 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7497 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7498 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7499 if(action == Press) {
7500 originalFlip = flipView;
7501 flipView = !flipView; // temporarily flip board to see game from partners perspective
7502 DrawPosition(TRUE, partnerBoard);
7503 DisplayMessage(partnerStatus, "");
7505 } else if(action == Release) {
7506 flipView = originalFlip;
7507 DrawPosition(TRUE, boards[currentMove]);
7513 xSqr = EventToSquare(x, BOARD_WIDTH);
7514 ySqr = EventToSquare(y, BOARD_HEIGHT);
7515 if (action == Release) {
7516 if(pieceSweep != EmptySquare) {
7517 EditPositionMenuEvent(pieceSweep, toX, toY);
7518 pieceSweep = EmptySquare;
7519 } else UnLoadPV(); // [HGM] pv
7521 if (action != Press) return -2; // return code to be ignored
7524 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7526 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7527 if (xSqr < 0 || ySqr < 0) return -1;
7528 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7529 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7530 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7531 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7535 if(!appData.icsEngineAnalyze) return -1;
7536 case IcsPlayingWhite:
7537 case IcsPlayingBlack:
7538 if(!appData.zippyPlay) goto noZip;
7541 case MachinePlaysWhite:
7542 case MachinePlaysBlack:
7543 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7544 if (!appData.dropMenu) {
7546 return 2; // flag front-end to grab mouse events
7548 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7549 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7552 if (xSqr < 0 || ySqr < 0) return -1;
7553 if (!appData.dropMenu || appData.testLegality &&
7554 gameInfo.variant != VariantBughouse &&
7555 gameInfo.variant != VariantCrazyhouse) return -1;
7556 whichMenu = 1; // drop menu
7562 if (((*fromX = xSqr) < 0) ||
7563 ((*fromY = ySqr) < 0)) {
7564 *fromX = *fromY = -1;
7568 *fromX = BOARD_WIDTH - 1 - *fromX;
7570 *fromY = BOARD_HEIGHT - 1 - *fromY;
7576 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7578 // char * hint = lastHint;
7579 FrontEndProgramStats stats;
7581 stats.which = cps == &first ? 0 : 1;
7582 stats.depth = cpstats->depth;
7583 stats.nodes = cpstats->nodes;
7584 stats.score = cpstats->score;
7585 stats.time = cpstats->time;
7586 stats.pv = cpstats->movelist;
7587 stats.hint = lastHint;
7588 stats.an_move_index = 0;
7589 stats.an_move_count = 0;
7591 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7592 stats.hint = cpstats->move_name;
7593 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7594 stats.an_move_count = cpstats->nr_moves;
7597 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
7599 SetProgramStats( &stats );
7603 ClearEngineOutputPane (int which)
7605 static FrontEndProgramStats dummyStats;
7606 dummyStats.which = which;
7607 dummyStats.pv = "#";
7608 SetProgramStats( &dummyStats );
7611 #define MAXPLAYERS 500
7614 TourneyStandings (int display)
7616 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7617 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7618 char result, *p, *names[MAXPLAYERS];
7620 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7621 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7622 names[0] = p = strdup(appData.participants);
7623 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7625 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7627 while(result = appData.results[nr]) {
7628 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7629 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7630 wScore = bScore = 0;
7632 case '+': wScore = 2; break;
7633 case '-': bScore = 2; break;
7634 case '=': wScore = bScore = 1; break;
7636 case '*': return strdup("busy"); // tourney not finished
7644 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7645 for(w=0; w<nPlayers; w++) {
7647 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7648 ranking[w] = b; points[w] = bScore; score[b] = -2;
7650 p = malloc(nPlayers*34+1);
7651 for(w=0; w<nPlayers && w<display; w++)
7652 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7658 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7659 { // count all piece types
7661 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7662 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7663 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7666 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7667 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7668 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7669 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7670 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7671 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7676 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7678 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7679 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7681 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7682 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7683 if(myPawns == 2 && nMine == 3) // KPP
7684 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7685 if(myPawns == 1 && nMine == 2) // KP
7686 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7687 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7688 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7689 if(myPawns) return FALSE;
7690 if(pCnt[WhiteRook+side])
7691 return pCnt[BlackRook-side] ||
7692 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7693 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7694 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7695 if(pCnt[WhiteCannon+side]) {
7696 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7697 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7699 if(pCnt[WhiteKnight+side])
7700 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7705 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7707 VariantClass v = gameInfo.variant;
7709 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7710 if(v == VariantShatranj) return TRUE; // always winnable through baring
7711 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7712 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7714 if(v == VariantXiangqi) {
7715 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7717 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7718 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7719 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7720 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7721 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7722 if(stale) // we have at least one last-rank P plus perhaps C
7723 return majors // KPKX
7724 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7726 return pCnt[WhiteFerz+side] // KCAK
7727 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7728 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7729 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7731 } else if(v == VariantKnightmate) {
7732 if(nMine == 1) return FALSE;
7733 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7734 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7735 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7737 if(nMine == 1) return FALSE; // bare King
7738 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
7739 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7740 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7741 // by now we have King + 1 piece (or multiple Bishops on the same color)
7742 if(pCnt[WhiteKnight+side])
7743 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7744 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7745 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7747 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7748 if(pCnt[WhiteAlfil+side])
7749 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7750 if(pCnt[WhiteWazir+side])
7751 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7758 CompareWithRights (Board b1, Board b2)
7761 if(!CompareBoards(b1, b2)) return FALSE;
7762 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7763 /* compare castling rights */
7764 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7765 rights++; /* King lost rights, while rook still had them */
7766 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7767 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7768 rights++; /* but at least one rook lost them */
7770 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7772 if( b1[CASTLING][5] != NoRights ) {
7773 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7780 Adjudicate (ChessProgramState *cps)
7781 { // [HGM] some adjudications useful with buggy engines
7782 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7783 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7784 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7785 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7786 int k, drop, count = 0; static int bare = 1;
7787 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7788 Boolean canAdjudicate = !appData.icsActive;
7790 // most tests only when we understand the game, i.e. legality-checking on
7791 if( appData.testLegality )
7792 { /* [HGM] Some more adjudications for obstinate engines */
7793 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7794 static int moveCount = 6;
7796 char *reason = NULL;
7798 /* Count what is on board. */
7799 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7801 /* Some material-based adjudications that have to be made before stalemate test */
7802 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7803 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7804 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7805 if(canAdjudicate && appData.checkMates) {
7807 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7808 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7809 "Xboard adjudication: King destroyed", GE_XBOARD );
7814 /* Bare King in Shatranj (loses) or Losers (wins) */
7815 if( nrW == 1 || nrB == 1) {
7816 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7817 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7818 if(canAdjudicate && appData.checkMates) {
7820 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7821 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7822 "Xboard adjudication: Bare king", GE_XBOARD );
7826 if( gameInfo.variant == VariantShatranj && --bare < 0)
7828 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7829 if(canAdjudicate && appData.checkMates) {
7830 /* but only adjudicate if adjudication enabled */
7832 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7833 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7834 "Xboard adjudication: Bare king", GE_XBOARD );
7841 // don't wait for engine to announce game end if we can judge ourselves
7842 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7844 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7845 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7846 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7847 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7850 reason = "Xboard adjudication: 3rd check";
7851 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7861 reason = "Xboard adjudication: Stalemate";
7862 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7863 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7864 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7865 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7866 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7867 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7868 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7869 EP_CHECKMATE : EP_WINS);
7870 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7871 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7875 reason = "Xboard adjudication: Checkmate";
7876 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7877 if(gameInfo.variant == VariantShogi) {
7878 if(forwardMostMove > backwardMostMove
7879 && moveList[forwardMostMove-1][1] == '@'
7880 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7881 reason = "XBoard adjudication: pawn-drop mate";
7882 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7888 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7890 result = GameIsDrawn; break;
7892 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7894 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7898 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7900 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7901 GameEnds( result, reason, GE_XBOARD );
7905 /* Next absolutely insufficient mating material. */
7906 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7907 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7908 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7910 /* always flag draws, for judging claims */
7911 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7913 if(canAdjudicate && appData.materialDraws) {
7914 /* but only adjudicate them if adjudication enabled */
7915 if(engineOpponent) {
7916 SendToProgram("force\n", engineOpponent); // suppress reply
7917 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7919 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7924 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7925 if(gameInfo.variant == VariantXiangqi ?
7926 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7928 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7929 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7930 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7931 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7933 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7934 { /* if the first 3 moves do not show a tactical win, declare draw */
7935 if(engineOpponent) {
7936 SendToProgram("force\n", engineOpponent); // suppress reply
7937 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7939 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7942 } else moveCount = 6;
7945 // Repetition draws and 50-move rule can be applied independently of legality testing
7947 /* Check for rep-draws */
7949 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7950 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7951 for(k = forwardMostMove-2;
7952 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7953 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7954 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7957 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7958 /* compare castling rights */
7959 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7960 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7961 rights++; /* King lost rights, while rook still had them */
7962 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7963 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7964 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7965 rights++; /* but at least one rook lost them */
7967 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7968 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7970 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7971 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7972 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7975 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7976 && appData.drawRepeats > 1) {
7977 /* adjudicate after user-specified nr of repeats */
7978 int result = GameIsDrawn;
7979 char *details = "XBoard adjudication: repetition draw";
7980 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7981 // [HGM] xiangqi: check for forbidden perpetuals
7982 int m, ourPerpetual = 1, hisPerpetual = 1;
7983 for(m=forwardMostMove; m>k; m-=2) {
7984 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7985 ourPerpetual = 0; // the current mover did not always check
7986 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7987 hisPerpetual = 0; // the opponent did not always check
7989 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7990 ourPerpetual, hisPerpetual);
7991 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7992 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7993 details = "Xboard adjudication: perpetual checking";
7995 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7996 break; // (or we would have caught him before). Abort repetition-checking loop.
7998 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7999 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8001 details = "Xboard adjudication: repetition";
8003 } else // it must be XQ
8004 // Now check for perpetual chases
8005 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8006 hisPerpetual = PerpetualChase(k, forwardMostMove);
8007 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8008 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8009 static char resdet[MSG_SIZ];
8010 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8012 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8014 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8015 break; // Abort repetition-checking loop.
8017 // if neither of us is checking or chasing all the time, or both are, it is draw
8019 if(engineOpponent) {
8020 SendToProgram("force\n", engineOpponent); // suppress reply
8021 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8023 GameEnds( result, details, GE_XBOARD );
8026 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8027 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8031 /* Now we test for 50-move draws. Determine ply count */
8032 count = forwardMostMove;
8033 /* look for last irreversble move */
8034 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8036 /* if we hit starting position, add initial plies */
8037 if( count == backwardMostMove )
8038 count -= initialRulePlies;
8039 count = forwardMostMove - count;
8040 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8041 // adjust reversible move counter for checks in Xiangqi
8042 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8043 if(i < backwardMostMove) i = backwardMostMove;
8044 while(i <= forwardMostMove) {
8045 lastCheck = inCheck; // check evasion does not count
8046 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8047 if(inCheck || lastCheck) count--; // check does not count
8052 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8053 /* this is used to judge if draw claims are legal */
8054 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
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, "Xboard adjudication: 50-move rule", GE_XBOARD );
8063 /* if draw offer is pending, treat it as a draw claim
8064 * when draw condition present, to allow engines a way to
8065 * claim draws before making their move to avoid a race
8066 * condition occurring after their move
8068 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8070 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8071 p = "Draw claim: 50-move rule";
8072 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8073 p = "Draw claim: 3-fold repetition";
8074 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8075 p = "Draw claim: insufficient mating material";
8076 if( p != NULL && canAdjudicate) {
8077 if(engineOpponent) {
8078 SendToProgram("force\n", engineOpponent); // suppress reply
8079 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8081 GameEnds( GameIsDrawn, p, GE_XBOARD );
8086 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8087 if(engineOpponent) {
8088 SendToProgram("force\n", engineOpponent); // suppress reply
8089 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8091 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8098 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8099 { // [HGM] book: this routine intercepts moves to simulate book replies
8100 char *bookHit = NULL;
8102 //first determine if the incoming move brings opponent into his book
8103 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8104 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8105 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8106 if(bookHit != NULL && !cps->bookSuspend) {
8107 // make sure opponent is not going to reply after receiving move to book position
8108 SendToProgram("force\n", cps);
8109 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8111 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8112 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8113 // now arrange restart after book miss
8115 // after a book hit we never send 'go', and the code after the call to this routine
8116 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8117 char buf[MSG_SIZ], *move = bookHit;
8119 int fromX, fromY, toX, toY;
8123 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8124 &fromX, &fromY, &toX, &toY, &promoChar)) {
8125 (void) CoordsToAlgebraic(boards[forwardMostMove],
8126 PosFlags(forwardMostMove),
8127 fromY, fromX, toY, toX, promoChar, move);
8129 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8133 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8134 SendToProgram(buf, cps);
8135 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8136 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8137 SendToProgram("go\n", cps);
8138 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8139 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8140 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8141 SendToProgram("go\n", cps);
8142 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8144 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8148 LoadError (char *errmess, ChessProgramState *cps)
8149 { // unloads engine and switches back to -ncp mode if it was first
8150 if(cps->initDone) return FALSE;
8151 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8152 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8155 appData.noChessProgram = TRUE;
8156 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8157 gameMode = BeginningOfGame; ModeHighlight();
8160 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8161 DisplayMessage("", ""); // erase waiting message
8162 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8167 ChessProgramState *savedState;
8169 DeferredBookMove (void)
8171 if(savedState->lastPing != savedState->lastPong)
8172 ScheduleDelayedEvent(DeferredBookMove, 10);
8174 HandleMachineMove(savedMessage, savedState);
8177 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8178 static ChessProgramState *stalledEngine;
8179 static char stashedInputMove[MSG_SIZ];
8182 HandleMachineMove (char *message, ChessProgramState *cps)
8184 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8185 char realname[MSG_SIZ];
8186 int fromX, fromY, toX, toY;
8190 int machineWhite, oldError;
8193 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8194 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8195 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8196 DisplayError(_("Invalid pairing from pairing engine"), 0);
8199 pairingReceived = 1;
8201 return; // Skim the pairing messages here.
8204 oldError = cps->userError; cps->userError = 0;
8206 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8208 * Kludge to ignore BEL characters
8210 while (*message == '\007') message++;
8213 * [HGM] engine debug message: ignore lines starting with '#' character
8215 if(cps->debug && *message == '#') return;
8218 * Look for book output
8220 if (cps == &first && bookRequested) {
8221 if (message[0] == '\t' || message[0] == ' ') {
8222 /* Part of the book output is here; append it */
8223 strcat(bookOutput, message);
8224 strcat(bookOutput, " \n");
8226 } else if (bookOutput[0] != NULLCHAR) {
8227 /* All of book output has arrived; display it */
8228 char *p = bookOutput;
8229 while (*p != NULLCHAR) {
8230 if (*p == '\t') *p = ' ';
8233 DisplayInformation(bookOutput);
8234 bookRequested = FALSE;
8235 /* Fall through to parse the current output */
8240 * Look for machine move.
8242 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8243 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8245 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8246 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8247 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8248 stalledEngine = cps;
8249 if(appData.ponderNextMove) { // bring opponent out of ponder
8250 if(gameMode == TwoMachinesPlay) {
8251 if(cps->other->pause)
8252 PauseEngine(cps->other);
8254 SendToProgram("easy\n", cps->other);
8261 /* This method is only useful on engines that support ping */
8262 if (cps->lastPing != cps->lastPong) {
8263 if (gameMode == BeginningOfGame) {
8264 /* Extra move from before last new; ignore */
8265 if (appData.debugMode) {
8266 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8269 if (appData.debugMode) {
8270 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8271 cps->which, gameMode);
8274 SendToProgram("undo\n", cps);
8280 case BeginningOfGame:
8281 /* Extra move from before last reset; ignore */
8282 if (appData.debugMode) {
8283 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8290 /* Extra move after we tried to stop. The mode test is
8291 not a reliable way of detecting this problem, but it's
8292 the best we can do on engines that don't support ping.
8294 if (appData.debugMode) {
8295 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8296 cps->which, gameMode);
8298 SendToProgram("undo\n", cps);
8301 case MachinePlaysWhite:
8302 case IcsPlayingWhite:
8303 machineWhite = TRUE;
8306 case MachinePlaysBlack:
8307 case IcsPlayingBlack:
8308 machineWhite = FALSE;
8311 case TwoMachinesPlay:
8312 machineWhite = (cps->twoMachinesColor[0] == 'w');
8315 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8316 if (appData.debugMode) {
8318 "Ignoring move out of turn by %s, gameMode %d"
8319 ", forwardMost %d\n",
8320 cps->which, gameMode, forwardMostMove);
8325 if(cps->alphaRank) AlphaRank(machineMove, 4);
8326 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8327 &fromX, &fromY, &toX, &toY, &promoChar)) {
8328 /* Machine move could not be parsed; ignore it. */
8329 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8330 machineMove, _(cps->which));
8331 DisplayMoveError(buf1);
8332 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8333 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8334 if (gameMode == TwoMachinesPlay) {
8335 GameEnds(machineWhite ? BlackWins : WhiteWins,
8341 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8342 /* So we have to redo legality test with true e.p. status here, */
8343 /* to make sure an illegal e.p. capture does not slip through, */
8344 /* to cause a forfeit on a justified illegal-move complaint */
8345 /* of the opponent. */
8346 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8348 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8349 fromY, fromX, toY, toX, promoChar);
8350 if(moveType == IllegalMove) {
8351 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8352 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8353 GameEnds(machineWhite ? BlackWins : WhiteWins,
8356 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8357 /* [HGM] Kludge to handle engines that send FRC-style castling
8358 when they shouldn't (like TSCP-Gothic) */
8360 case WhiteASideCastleFR:
8361 case BlackASideCastleFR:
8363 currentMoveString[2]++;
8365 case WhiteHSideCastleFR:
8366 case BlackHSideCastleFR:
8368 currentMoveString[2]--;
8370 default: ; // nothing to do, but suppresses warning of pedantic compilers
8373 hintRequested = FALSE;
8374 lastHint[0] = NULLCHAR;
8375 bookRequested = FALSE;
8376 /* Program may be pondering now */
8377 cps->maybeThinking = TRUE;
8378 if (cps->sendTime == 2) cps->sendTime = 1;
8379 if (cps->offeredDraw) cps->offeredDraw--;
8381 /* [AS] Save move info*/
8382 pvInfoList[ forwardMostMove ].score = programStats.score;
8383 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8384 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8386 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8388 /* Test suites abort the 'game' after one move */
8389 if(*appData.finger) {
8391 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8392 if(!f) f = fopen(appData.finger, "w");
8393 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8394 else { DisplayFatalError("Bad output file", errno, 0); return; }
8396 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8399 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8400 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8403 while( count < adjudicateLossPlies ) {
8404 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8407 score = -score; /* Flip score for winning side */
8410 if( score > adjudicateLossThreshold ) {
8417 if( count >= adjudicateLossPlies ) {
8418 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8420 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8421 "Xboard adjudication",
8428 if(Adjudicate(cps)) {
8429 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8430 return; // [HGM] adjudicate: for all automatic game ends
8434 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8436 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8437 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8439 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8441 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8443 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8444 char buf[3*MSG_SIZ];
8446 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8447 programStats.score / 100.,
8449 programStats.time / 100.,
8450 (unsigned int)programStats.nodes,
8451 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8452 programStats.movelist);
8454 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8459 /* [AS] Clear stats for next move */
8460 ClearProgramStats();
8461 thinkOutput[0] = NULLCHAR;
8462 hiddenThinkOutputState = 0;
8465 if (gameMode == TwoMachinesPlay) {
8466 /* [HGM] relaying draw offers moved to after reception of move */
8467 /* and interpreting offer as claim if it brings draw condition */
8468 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8469 SendToProgram("draw\n", cps->other);
8471 if (cps->other->sendTime) {
8472 SendTimeRemaining(cps->other,
8473 cps->other->twoMachinesColor[0] == 'w');
8475 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8476 if (firstMove && !bookHit) {
8478 if (cps->other->useColors) {
8479 SendToProgram(cps->other->twoMachinesColor, cps->other);
8481 SendToProgram("go\n", cps->other);
8483 cps->other->maybeThinking = TRUE;
8486 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8488 if (!pausing && appData.ringBellAfterMoves) {
8493 * Reenable menu items that were disabled while
8494 * machine was thinking
8496 if (gameMode != TwoMachinesPlay)
8497 SetUserThinkingEnables();
8499 // [HGM] book: after book hit opponent has received move and is now in force mode
8500 // force the book reply into it, and then fake that it outputted this move by jumping
8501 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8503 static char bookMove[MSG_SIZ]; // a bit generous?
8505 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8506 strcat(bookMove, bookHit);
8509 programStats.nodes = programStats.depth = programStats.time =
8510 programStats.score = programStats.got_only_move = 0;
8511 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8513 if(cps->lastPing != cps->lastPong) {
8514 savedMessage = message; // args for deferred call
8516 ScheduleDelayedEvent(DeferredBookMove, 10);
8525 /* Set special modes for chess engines. Later something general
8526 * could be added here; for now there is just one kludge feature,
8527 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8528 * when "xboard" is given as an interactive command.
8530 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8531 cps->useSigint = FALSE;
8532 cps->useSigterm = FALSE;
8534 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8535 ParseFeatures(message+8, cps);
8536 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8539 if (!strncmp(message, "setup ", 6) &&
8540 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8541 ) { // [HGM] allow first engine to define opening position
8542 int dummy, s=6; char buf[MSG_SIZ];
8543 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8544 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8545 if(startedFromSetupPosition) return;
8546 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8547 ParseFEN(boards[0], &dummy, message+s);
8548 DrawPosition(TRUE, boards[0]);
8549 startedFromSetupPosition = TRUE;
8552 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8553 * want this, I was asked to put it in, and obliged.
8555 if (!strncmp(message, "setboard ", 9)) {
8556 Board initial_position;
8558 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8560 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8561 DisplayError(_("Bad FEN received from engine"), 0);
8565 CopyBoard(boards[0], initial_position);
8566 initialRulePlies = FENrulePlies;
8567 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8568 else gameMode = MachinePlaysBlack;
8569 DrawPosition(FALSE, boards[currentMove]);
8575 * Look for communication commands
8577 if (!strncmp(message, "telluser ", 9)) {
8578 if(message[9] == '\\' && message[10] == '\\')
8579 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8581 DisplayNote(message + 9);
8584 if (!strncmp(message, "tellusererror ", 14)) {
8586 if(message[14] == '\\' && message[15] == '\\')
8587 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8589 DisplayError(message + 14, 0);
8592 if (!strncmp(message, "tellopponent ", 13)) {
8593 if (appData.icsActive) {
8595 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8599 DisplayNote(message + 13);
8603 if (!strncmp(message, "tellothers ", 11)) {
8604 if (appData.icsActive) {
8606 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8609 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8612 if (!strncmp(message, "tellall ", 8)) {
8613 if (appData.icsActive) {
8615 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8619 DisplayNote(message + 8);
8623 if (strncmp(message, "warning", 7) == 0) {
8624 /* Undocumented feature, use tellusererror in new code */
8625 DisplayError(message, 0);
8628 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8629 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8630 strcat(realname, " query");
8631 AskQuestion(realname, buf2, buf1, cps->pr);
8634 /* Commands from the engine directly to ICS. We don't allow these to be
8635 * sent until we are logged on. Crafty kibitzes have been known to
8636 * interfere with the login process.
8639 if (!strncmp(message, "tellics ", 8)) {
8640 SendToICS(message + 8);
8644 if (!strncmp(message, "tellicsnoalias ", 15)) {
8645 SendToICS(ics_prefix);
8646 SendToICS(message + 15);
8650 /* The following are for backward compatibility only */
8651 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8652 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8653 SendToICS(ics_prefix);
8659 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8662 if(!strncmp(message, "highlight ", 10)) {
8663 if(appData.testLegality && appData.markers) return;
8664 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8668 * If the move is illegal, cancel it and redraw the board.
8669 * Also deal with other error cases. Matching is rather loose
8670 * here to accommodate engines written before the spec.
8672 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8673 strncmp(message, "Error", 5) == 0) {
8674 if (StrStr(message, "name") ||
8675 StrStr(message, "rating") || StrStr(message, "?") ||
8676 StrStr(message, "result") || StrStr(message, "board") ||
8677 StrStr(message, "bk") || StrStr(message, "computer") ||
8678 StrStr(message, "variant") || StrStr(message, "hint") ||
8679 StrStr(message, "random") || StrStr(message, "depth") ||
8680 StrStr(message, "accepted")) {
8683 if (StrStr(message, "protover")) {
8684 /* Program is responding to input, so it's apparently done
8685 initializing, and this error message indicates it is
8686 protocol version 1. So we don't need to wait any longer
8687 for it to initialize and send feature commands. */
8688 FeatureDone(cps, 1);
8689 cps->protocolVersion = 1;
8692 cps->maybeThinking = FALSE;
8694 if (StrStr(message, "draw")) {
8695 /* Program doesn't have "draw" command */
8696 cps->sendDrawOffers = 0;
8699 if (cps->sendTime != 1 &&
8700 (StrStr(message, "time") || StrStr(message, "otim"))) {
8701 /* Program apparently doesn't have "time" or "otim" command */
8705 if (StrStr(message, "analyze")) {
8706 cps->analysisSupport = FALSE;
8707 cps->analyzing = FALSE;
8708 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8709 EditGameEvent(); // [HGM] try to preserve loaded game
8710 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8711 DisplayError(buf2, 0);
8714 if (StrStr(message, "(no matching move)st")) {
8715 /* Special kludge for GNU Chess 4 only */
8716 cps->stKludge = TRUE;
8717 SendTimeControl(cps, movesPerSession, timeControl,
8718 timeIncrement, appData.searchDepth,
8722 if (StrStr(message, "(no matching move)sd")) {
8723 /* Special kludge for GNU Chess 4 only */
8724 cps->sdKludge = TRUE;
8725 SendTimeControl(cps, movesPerSession, timeControl,
8726 timeIncrement, appData.searchDepth,
8730 if (!StrStr(message, "llegal")) {
8733 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8734 gameMode == IcsIdle) return;
8735 if (forwardMostMove <= backwardMostMove) return;
8736 if (pausing) PauseEvent();
8737 if(appData.forceIllegal) {
8738 // [HGM] illegal: machine refused move; force position after move into it
8739 SendToProgram("force\n", cps);
8740 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8741 // we have a real problem now, as SendBoard will use the a2a3 kludge
8742 // when black is to move, while there might be nothing on a2 or black
8743 // might already have the move. So send the board as if white has the move.
8744 // But first we must change the stm of the engine, as it refused the last move
8745 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8746 if(WhiteOnMove(forwardMostMove)) {
8747 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8748 SendBoard(cps, forwardMostMove); // kludgeless board
8750 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8751 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8752 SendBoard(cps, forwardMostMove+1); // kludgeless board
8754 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8755 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8756 gameMode == TwoMachinesPlay)
8757 SendToProgram("go\n", cps);
8760 if (gameMode == PlayFromGameFile) {
8761 /* Stop reading this game file */
8762 gameMode = EditGame;
8765 /* [HGM] illegal-move claim should forfeit game when Xboard */
8766 /* only passes fully legal moves */
8767 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8768 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8769 "False illegal-move claim", GE_XBOARD );
8770 return; // do not take back move we tested as valid
8772 currentMove = forwardMostMove-1;
8773 DisplayMove(currentMove-1); /* before DisplayMoveError */
8774 SwitchClocks(forwardMostMove-1); // [HGM] race
8775 DisplayBothClocks();
8776 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8777 parseList[currentMove], _(cps->which));
8778 DisplayMoveError(buf1);
8779 DrawPosition(FALSE, boards[currentMove]);
8781 SetUserThinkingEnables();
8784 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8785 /* Program has a broken "time" command that
8786 outputs a string not ending in newline.
8792 * If chess program startup fails, exit with an error message.
8793 * Attempts to recover here are futile. [HGM] Well, we try anyway
8795 if ((StrStr(message, "unknown host") != NULL)
8796 || (StrStr(message, "No remote directory") != NULL)
8797 || (StrStr(message, "not found") != NULL)
8798 || (StrStr(message, "No such file") != NULL)
8799 || (StrStr(message, "can't alloc") != NULL)
8800 || (StrStr(message, "Permission denied") != NULL)) {
8802 cps->maybeThinking = FALSE;
8803 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8804 _(cps->which), cps->program, cps->host, message);
8805 RemoveInputSource(cps->isr);
8806 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8807 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8808 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8814 * Look for hint output
8816 if (sscanf(message, "Hint: %s", buf1) == 1) {
8817 if (cps == &first && hintRequested) {
8818 hintRequested = FALSE;
8819 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8820 &fromX, &fromY, &toX, &toY, &promoChar)) {
8821 (void) CoordsToAlgebraic(boards[forwardMostMove],
8822 PosFlags(forwardMostMove),
8823 fromY, fromX, toY, toX, promoChar, buf1);
8824 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8825 DisplayInformation(buf2);
8827 /* Hint move could not be parsed!? */
8828 snprintf(buf2, sizeof(buf2),
8829 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8830 buf1, _(cps->which));
8831 DisplayError(buf2, 0);
8834 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8840 * Ignore other messages if game is not in progress
8842 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8843 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8846 * look for win, lose, draw, or draw offer
8848 if (strncmp(message, "1-0", 3) == 0) {
8849 char *p, *q, *r = "";
8850 p = strchr(message, '{');
8858 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8860 } else if (strncmp(message, "0-1", 3) == 0) {
8861 char *p, *q, *r = "";
8862 p = strchr(message, '{');
8870 /* Kludge for Arasan 4.1 bug */
8871 if (strcmp(r, "Black resigns") == 0) {
8872 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8875 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8877 } else if (strncmp(message, "1/2", 3) == 0) {
8878 char *p, *q, *r = "";
8879 p = strchr(message, '{');
8888 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8891 } else if (strncmp(message, "White resign", 12) == 0) {
8892 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8894 } else if (strncmp(message, "Black resign", 12) == 0) {
8895 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8897 } else if (strncmp(message, "White matches", 13) == 0 ||
8898 strncmp(message, "Black matches", 13) == 0 ) {
8899 /* [HGM] ignore GNUShogi noises */
8901 } else if (strncmp(message, "White", 5) == 0 &&
8902 message[5] != '(' &&
8903 StrStr(message, "Black") == NULL) {
8904 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8906 } else if (strncmp(message, "Black", 5) == 0 &&
8907 message[5] != '(') {
8908 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8910 } else if (strcmp(message, "resign") == 0 ||
8911 strcmp(message, "computer resigns") == 0) {
8913 case MachinePlaysBlack:
8914 case IcsPlayingBlack:
8915 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8917 case MachinePlaysWhite:
8918 case IcsPlayingWhite:
8919 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8921 case TwoMachinesPlay:
8922 if (cps->twoMachinesColor[0] == 'w')
8923 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8925 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8932 } else if (strncmp(message, "opponent mates", 14) == 0) {
8934 case MachinePlaysBlack:
8935 case IcsPlayingBlack:
8936 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8938 case MachinePlaysWhite:
8939 case IcsPlayingWhite:
8940 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8942 case TwoMachinesPlay:
8943 if (cps->twoMachinesColor[0] == 'w')
8944 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8946 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8953 } else if (strncmp(message, "computer mates", 14) == 0) {
8955 case MachinePlaysBlack:
8956 case IcsPlayingBlack:
8957 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8959 case MachinePlaysWhite:
8960 case IcsPlayingWhite:
8961 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8963 case TwoMachinesPlay:
8964 if (cps->twoMachinesColor[0] == 'w')
8965 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8967 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8974 } else if (strncmp(message, "checkmate", 9) == 0) {
8975 if (WhiteOnMove(forwardMostMove)) {
8976 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8978 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8981 } else if (strstr(message, "Draw") != NULL ||
8982 strstr(message, "game is a draw") != NULL) {
8983 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8985 } else if (strstr(message, "offer") != NULL &&
8986 strstr(message, "draw") != NULL) {
8988 if (appData.zippyPlay && first.initDone) {
8989 /* Relay offer to ICS */
8990 SendToICS(ics_prefix);
8991 SendToICS("draw\n");
8994 cps->offeredDraw = 2; /* valid until this engine moves twice */
8995 if (gameMode == TwoMachinesPlay) {
8996 if (cps->other->offeredDraw) {
8997 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8998 /* [HGM] in two-machine mode we delay relaying draw offer */
8999 /* until after we also have move, to see if it is really claim */
9001 } else if (gameMode == MachinePlaysWhite ||
9002 gameMode == MachinePlaysBlack) {
9003 if (userOfferedDraw) {
9004 DisplayInformation(_("Machine accepts your draw offer"));
9005 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9007 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
9014 * Look for thinking output
9016 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9017 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9019 int plylev, mvleft, mvtot, curscore, time;
9020 char mvname[MOVE_LEN];
9024 int prefixHint = FALSE;
9025 mvname[0] = NULLCHAR;
9028 case MachinePlaysBlack:
9029 case IcsPlayingBlack:
9030 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9032 case MachinePlaysWhite:
9033 case IcsPlayingWhite:
9034 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9039 case IcsObserving: /* [DM] icsEngineAnalyze */
9040 if (!appData.icsEngineAnalyze) ignore = TRUE;
9042 case TwoMachinesPlay:
9043 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9053 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9055 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9056 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9058 if (plyext != ' ' && plyext != '\t') {
9062 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9063 if( cps->scoreIsAbsolute &&
9064 ( gameMode == MachinePlaysBlack ||
9065 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9066 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9067 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9068 !WhiteOnMove(currentMove)
9071 curscore = -curscore;
9074 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9076 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9079 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9080 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9081 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9082 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9083 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9084 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9086 } else DisplayError(_("failed writing PV"), 0);
9089 tempStats.depth = plylev;
9090 tempStats.nodes = nodes;
9091 tempStats.time = time;
9092 tempStats.score = curscore;
9093 tempStats.got_only_move = 0;
9095 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9098 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9099 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9100 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9101 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9102 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9103 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9104 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9105 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9108 /* Buffer overflow protection */
9109 if (pv[0] != NULLCHAR) {
9110 if (strlen(pv) >= sizeof(tempStats.movelist)
9111 && appData.debugMode) {
9113 "PV is too long; using the first %u bytes.\n",
9114 (unsigned) sizeof(tempStats.movelist) - 1);
9117 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9119 sprintf(tempStats.movelist, " no PV\n");
9122 if (tempStats.seen_stat) {
9123 tempStats.ok_to_send = 1;
9126 if (strchr(tempStats.movelist, '(') != NULL) {
9127 tempStats.line_is_book = 1;
9128 tempStats.nr_moves = 0;
9129 tempStats.moves_left = 0;
9131 tempStats.line_is_book = 0;
9134 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9135 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9137 SendProgramStatsToFrontend( cps, &tempStats );
9140 [AS] Protect the thinkOutput buffer from overflow... this
9141 is only useful if buf1 hasn't overflowed first!
9143 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9145 (gameMode == TwoMachinesPlay ?
9146 ToUpper(cps->twoMachinesColor[0]) : ' '),
9147 ((double) curscore) / 100.0,
9148 prefixHint ? lastHint : "",
9149 prefixHint ? " " : "" );
9151 if( buf1[0] != NULLCHAR ) {
9152 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9154 if( strlen(pv) > max_len ) {
9155 if( appData.debugMode) {
9156 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9158 pv[max_len+1] = '\0';
9161 strcat( thinkOutput, pv);
9164 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9165 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9166 DisplayMove(currentMove - 1);
9170 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9171 /* crafty (9.25+) says "(only move) <move>"
9172 * if there is only 1 legal move
9174 sscanf(p, "(only move) %s", buf1);
9175 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9176 sprintf(programStats.movelist, "%s (only move)", buf1);
9177 programStats.depth = 1;
9178 programStats.nr_moves = 1;
9179 programStats.moves_left = 1;
9180 programStats.nodes = 1;
9181 programStats.time = 1;
9182 programStats.got_only_move = 1;
9184 /* Not really, but we also use this member to
9185 mean "line isn't going to change" (Crafty
9186 isn't searching, so stats won't change) */
9187 programStats.line_is_book = 1;
9189 SendProgramStatsToFrontend( cps, &programStats );
9191 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9192 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9193 DisplayMove(currentMove - 1);
9196 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9197 &time, &nodes, &plylev, &mvleft,
9198 &mvtot, mvname) >= 5) {
9199 /* The stat01: line is from Crafty (9.29+) in response
9200 to the "." command */
9201 programStats.seen_stat = 1;
9202 cps->maybeThinking = TRUE;
9204 if (programStats.got_only_move || !appData.periodicUpdates)
9207 programStats.depth = plylev;
9208 programStats.time = time;
9209 programStats.nodes = nodes;
9210 programStats.moves_left = mvleft;
9211 programStats.nr_moves = mvtot;
9212 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9213 programStats.ok_to_send = 1;
9214 programStats.movelist[0] = '\0';
9216 SendProgramStatsToFrontend( cps, &programStats );
9220 } else if (strncmp(message,"++",2) == 0) {
9221 /* Crafty 9.29+ outputs this */
9222 programStats.got_fail = 2;
9225 } else if (strncmp(message,"--",2) == 0) {
9226 /* Crafty 9.29+ outputs this */
9227 programStats.got_fail = 1;
9230 } else if (thinkOutput[0] != NULLCHAR &&
9231 strncmp(message, " ", 4) == 0) {
9232 unsigned message_len;
9235 while (*p && *p == ' ') p++;
9237 message_len = strlen( p );
9239 /* [AS] Avoid buffer overflow */
9240 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9241 strcat(thinkOutput, " ");
9242 strcat(thinkOutput, p);
9245 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9246 strcat(programStats.movelist, " ");
9247 strcat(programStats.movelist, p);
9250 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9251 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9252 DisplayMove(currentMove - 1);
9260 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9261 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9263 ChessProgramStats cpstats;
9265 if (plyext != ' ' && plyext != '\t') {
9269 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9270 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9271 curscore = -curscore;
9274 cpstats.depth = plylev;
9275 cpstats.nodes = nodes;
9276 cpstats.time = time;
9277 cpstats.score = curscore;
9278 cpstats.got_only_move = 0;
9279 cpstats.movelist[0] = '\0';
9281 if (buf1[0] != NULLCHAR) {
9282 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9285 cpstats.ok_to_send = 0;
9286 cpstats.line_is_book = 0;
9287 cpstats.nr_moves = 0;
9288 cpstats.moves_left = 0;
9290 SendProgramStatsToFrontend( cps, &cpstats );
9297 /* Parse a game score from the character string "game", and
9298 record it as the history of the current game. The game
9299 score is NOT assumed to start from the standard position.
9300 The display is not updated in any way.
9303 ParseGameHistory (char *game)
9306 int fromX, fromY, toX, toY, boardIndex;
9311 if (appData.debugMode)
9312 fprintf(debugFP, "Parsing game history: %s\n", game);
9314 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9315 gameInfo.site = StrSave(appData.icsHost);
9316 gameInfo.date = PGNDate();
9317 gameInfo.round = StrSave("-");
9319 /* Parse out names of players */
9320 while (*game == ' ') game++;
9322 while (*game != ' ') *p++ = *game++;
9324 gameInfo.white = StrSave(buf);
9325 while (*game == ' ') game++;
9327 while (*game != ' ' && *game != '\n') *p++ = *game++;
9329 gameInfo.black = StrSave(buf);
9332 boardIndex = blackPlaysFirst ? 1 : 0;
9335 yyboardindex = boardIndex;
9336 moveType = (ChessMove) Myylex();
9338 case IllegalMove: /* maybe suicide chess, etc. */
9339 if (appData.debugMode) {
9340 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9341 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9342 setbuf(debugFP, NULL);
9344 case WhitePromotion:
9345 case BlackPromotion:
9346 case WhiteNonPromotion:
9347 case BlackNonPromotion:
9349 case WhiteCapturesEnPassant:
9350 case BlackCapturesEnPassant:
9351 case WhiteKingSideCastle:
9352 case WhiteQueenSideCastle:
9353 case BlackKingSideCastle:
9354 case BlackQueenSideCastle:
9355 case WhiteKingSideCastleWild:
9356 case WhiteQueenSideCastleWild:
9357 case BlackKingSideCastleWild:
9358 case BlackQueenSideCastleWild:
9360 case WhiteHSideCastleFR:
9361 case WhiteASideCastleFR:
9362 case BlackHSideCastleFR:
9363 case BlackASideCastleFR:
9365 fromX = currentMoveString[0] - AAA;
9366 fromY = currentMoveString[1] - ONE;
9367 toX = currentMoveString[2] - AAA;
9368 toY = currentMoveString[3] - ONE;
9369 promoChar = currentMoveString[4];
9373 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9374 fromX = moveType == WhiteDrop ?
9375 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9376 (int) CharToPiece(ToLower(currentMoveString[0]));
9378 toX = currentMoveString[2] - AAA;
9379 toY = currentMoveString[3] - ONE;
9380 promoChar = NULLCHAR;
9384 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9385 if (appData.debugMode) {
9386 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9387 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9388 setbuf(debugFP, NULL);
9390 DisplayError(buf, 0);
9392 case ImpossibleMove:
9394 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9395 if (appData.debugMode) {
9396 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9397 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9398 setbuf(debugFP, NULL);
9400 DisplayError(buf, 0);
9403 if (boardIndex < backwardMostMove) {
9404 /* Oops, gap. How did that happen? */
9405 DisplayError(_("Gap in move list"), 0);
9408 backwardMostMove = blackPlaysFirst ? 1 : 0;
9409 if (boardIndex > forwardMostMove) {
9410 forwardMostMove = boardIndex;
9414 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9415 strcat(parseList[boardIndex-1], " ");
9416 strcat(parseList[boardIndex-1], yy_text);
9428 case GameUnfinished:
9429 if (gameMode == IcsExamining) {
9430 if (boardIndex < backwardMostMove) {
9431 /* Oops, gap. How did that happen? */
9434 backwardMostMove = blackPlaysFirst ? 1 : 0;
9437 gameInfo.result = moveType;
9438 p = strchr(yy_text, '{');
9439 if (p == NULL) p = strchr(yy_text, '(');
9442 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9444 q = strchr(p, *p == '{' ? '}' : ')');
9445 if (q != NULL) *q = NULLCHAR;
9448 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9449 gameInfo.resultDetails = StrSave(p);
9452 if (boardIndex >= forwardMostMove &&
9453 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9454 backwardMostMove = blackPlaysFirst ? 1 : 0;
9457 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9458 fromY, fromX, toY, toX, promoChar,
9459 parseList[boardIndex]);
9460 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9461 /* currentMoveString is set as a side-effect of yylex */
9462 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9463 strcat(moveList[boardIndex], "\n");
9465 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9466 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9472 if(gameInfo.variant != VariantShogi)
9473 strcat(parseList[boardIndex - 1], "+");
9477 strcat(parseList[boardIndex - 1], "#");
9484 /* Apply a move to the given board */
9486 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9488 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9489 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9491 /* [HGM] compute & store e.p. status and castling rights for new position */
9492 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9494 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9495 oldEP = (signed char)board[EP_STATUS];
9496 board[EP_STATUS] = EP_NONE;
9498 if (fromY == DROP_RANK) {
9500 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9501 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9504 piece = board[toY][toX] = (ChessSquare) fromX;
9508 if( board[toY][toX] != EmptySquare )
9509 board[EP_STATUS] = EP_CAPTURE;
9511 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9512 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9513 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9515 if( board[fromY][fromX] == WhitePawn ) {
9516 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9517 board[EP_STATUS] = EP_PAWN_MOVE;
9519 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9520 gameInfo.variant != VariantBerolina || toX < fromX)
9521 board[EP_STATUS] = toX | berolina;
9522 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9523 gameInfo.variant != VariantBerolina || toX > fromX)
9524 board[EP_STATUS] = toX;
9527 if( board[fromY][fromX] == BlackPawn ) {
9528 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9529 board[EP_STATUS] = EP_PAWN_MOVE;
9530 if( toY-fromY== -2) {
9531 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9532 gameInfo.variant != VariantBerolina || toX < fromX)
9533 board[EP_STATUS] = toX | berolina;
9534 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9535 gameInfo.variant != VariantBerolina || toX > fromX)
9536 board[EP_STATUS] = toX;
9540 for(i=0; i<nrCastlingRights; i++) {
9541 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9542 board[CASTLING][i] == toX && castlingRank[i] == toY
9543 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9546 if(gameInfo.variant == VariantSChess) { // update virginity
9547 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9548 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9549 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9550 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9553 if (fromX == toX && fromY == toY) return;
9555 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9556 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9557 if(gameInfo.variant == VariantKnightmate)
9558 king += (int) WhiteUnicorn - (int) WhiteKing;
9560 /* Code added by Tord: */
9561 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9562 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9563 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9564 board[fromY][fromX] = EmptySquare;
9565 board[toY][toX] = EmptySquare;
9566 if((toX > fromX) != (piece == WhiteRook)) {
9567 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9569 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9571 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9572 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9573 board[fromY][fromX] = EmptySquare;
9574 board[toY][toX] = EmptySquare;
9575 if((toX > fromX) != (piece == BlackRook)) {
9576 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9578 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9580 /* End of code added by Tord */
9582 } else if (board[fromY][fromX] == king
9583 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9584 && toY == fromY && toX > fromX+1) {
9585 board[fromY][fromX] = EmptySquare;
9586 board[toY][toX] = king;
9587 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9588 board[fromY][BOARD_RGHT-1] = EmptySquare;
9589 } else if (board[fromY][fromX] == king
9590 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9591 && toY == fromY && toX < fromX-1) {
9592 board[fromY][fromX] = EmptySquare;
9593 board[toY][toX] = king;
9594 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9595 board[fromY][BOARD_LEFT] = EmptySquare;
9596 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9597 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9598 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9600 /* white pawn promotion */
9601 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9602 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9603 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9604 board[fromY][fromX] = EmptySquare;
9605 } else if ((fromY >= BOARD_HEIGHT>>1)
9606 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9608 && gameInfo.variant != VariantXiangqi
9609 && gameInfo.variant != VariantBerolina
9610 && (board[fromY][fromX] == WhitePawn)
9611 && (board[toY][toX] == EmptySquare)) {
9612 board[fromY][fromX] = EmptySquare;
9613 board[toY][toX] = WhitePawn;
9614 captured = board[toY - 1][toX];
9615 board[toY - 1][toX] = EmptySquare;
9616 } else if ((fromY == BOARD_HEIGHT-4)
9618 && gameInfo.variant == VariantBerolina
9619 && (board[fromY][fromX] == WhitePawn)
9620 && (board[toY][toX] == EmptySquare)) {
9621 board[fromY][fromX] = EmptySquare;
9622 board[toY][toX] = WhitePawn;
9623 if(oldEP & EP_BEROLIN_A) {
9624 captured = board[fromY][fromX-1];
9625 board[fromY][fromX-1] = EmptySquare;
9626 }else{ captured = board[fromY][fromX+1];
9627 board[fromY][fromX+1] = EmptySquare;
9629 } else if (board[fromY][fromX] == king
9630 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9631 && toY == fromY && toX > fromX+1) {
9632 board[fromY][fromX] = EmptySquare;
9633 board[toY][toX] = king;
9634 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9635 board[fromY][BOARD_RGHT-1] = EmptySquare;
9636 } else if (board[fromY][fromX] == king
9637 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9638 && toY == fromY && toX < fromX-1) {
9639 board[fromY][fromX] = EmptySquare;
9640 board[toY][toX] = king;
9641 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9642 board[fromY][BOARD_LEFT] = EmptySquare;
9643 } else if (fromY == 7 && fromX == 3
9644 && board[fromY][fromX] == BlackKing
9645 && toY == 7 && toX == 5) {
9646 board[fromY][fromX] = EmptySquare;
9647 board[toY][toX] = BlackKing;
9648 board[fromY][7] = EmptySquare;
9649 board[toY][4] = BlackRook;
9650 } else if (fromY == 7 && fromX == 3
9651 && board[fromY][fromX] == BlackKing
9652 && toY == 7 && toX == 1) {
9653 board[fromY][fromX] = EmptySquare;
9654 board[toY][toX] = BlackKing;
9655 board[fromY][0] = EmptySquare;
9656 board[toY][2] = BlackRook;
9657 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9658 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9659 && toY < promoRank && promoChar
9661 /* black pawn promotion */
9662 board[toY][toX] = CharToPiece(ToLower(promoChar));
9663 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9664 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9665 board[fromY][fromX] = EmptySquare;
9666 } else if ((fromY < BOARD_HEIGHT>>1)
9667 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9669 && gameInfo.variant != VariantXiangqi
9670 && gameInfo.variant != VariantBerolina
9671 && (board[fromY][fromX] == BlackPawn)
9672 && (board[toY][toX] == EmptySquare)) {
9673 board[fromY][fromX] = EmptySquare;
9674 board[toY][toX] = BlackPawn;
9675 captured = board[toY + 1][toX];
9676 board[toY + 1][toX] = EmptySquare;
9677 } else if ((fromY == 3)
9679 && gameInfo.variant == VariantBerolina
9680 && (board[fromY][fromX] == BlackPawn)
9681 && (board[toY][toX] == EmptySquare)) {
9682 board[fromY][fromX] = EmptySquare;
9683 board[toY][toX] = BlackPawn;
9684 if(oldEP & EP_BEROLIN_A) {
9685 captured = board[fromY][fromX-1];
9686 board[fromY][fromX-1] = EmptySquare;
9687 }else{ captured = board[fromY][fromX+1];
9688 board[fromY][fromX+1] = EmptySquare;
9691 board[toY][toX] = board[fromY][fromX];
9692 board[fromY][fromX] = EmptySquare;
9696 if (gameInfo.holdingsWidth != 0) {
9698 /* !!A lot more code needs to be written to support holdings */
9699 /* [HGM] OK, so I have written it. Holdings are stored in the */
9700 /* penultimate board files, so they are automaticlly stored */
9701 /* in the game history. */
9702 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9703 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9704 /* Delete from holdings, by decreasing count */
9705 /* and erasing image if necessary */
9706 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9707 if(p < (int) BlackPawn) { /* white drop */
9708 p -= (int)WhitePawn;
9709 p = PieceToNumber((ChessSquare)p);
9710 if(p >= gameInfo.holdingsSize) p = 0;
9711 if(--board[p][BOARD_WIDTH-2] <= 0)
9712 board[p][BOARD_WIDTH-1] = EmptySquare;
9713 if((int)board[p][BOARD_WIDTH-2] < 0)
9714 board[p][BOARD_WIDTH-2] = 0;
9715 } else { /* black drop */
9716 p -= (int)BlackPawn;
9717 p = PieceToNumber((ChessSquare)p);
9718 if(p >= gameInfo.holdingsSize) p = 0;
9719 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9720 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9721 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9722 board[BOARD_HEIGHT-1-p][1] = 0;
9725 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9726 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9727 /* [HGM] holdings: Add to holdings, if holdings exist */
9728 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9729 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9730 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9733 if (p >= (int) BlackPawn) {
9734 p -= (int)BlackPawn;
9735 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9736 /* in Shogi restore piece to its original first */
9737 captured = (ChessSquare) (DEMOTED captured);
9740 p = PieceToNumber((ChessSquare)p);
9741 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9742 board[p][BOARD_WIDTH-2]++;
9743 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9745 p -= (int)WhitePawn;
9746 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9747 captured = (ChessSquare) (DEMOTED captured);
9750 p = PieceToNumber((ChessSquare)p);
9751 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9752 board[BOARD_HEIGHT-1-p][1]++;
9753 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9756 } else if (gameInfo.variant == VariantAtomic) {
9757 if (captured != EmptySquare) {
9759 for (y = toY-1; y <= toY+1; y++) {
9760 for (x = toX-1; x <= toX+1; x++) {
9761 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9762 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9763 board[y][x] = EmptySquare;
9767 board[toY][toX] = EmptySquare;
9770 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9771 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9773 if(promoChar == '+') {
9774 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9775 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9776 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9777 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9778 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9779 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9780 board[toY][toX] = newPiece;
9782 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9783 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9784 // [HGM] superchess: take promotion piece out of holdings
9785 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9786 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9787 if(!--board[k][BOARD_WIDTH-2])
9788 board[k][BOARD_WIDTH-1] = EmptySquare;
9790 if(!--board[BOARD_HEIGHT-1-k][1])
9791 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9797 /* Updates forwardMostMove */
9799 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9801 // forwardMostMove++; // [HGM] bare: moved downstream
9803 (void) CoordsToAlgebraic(boards[forwardMostMove],
9804 PosFlags(forwardMostMove),
9805 fromY, fromX, toY, toX, promoChar,
9806 parseList[forwardMostMove]);
9808 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9809 int timeLeft; static int lastLoadFlag=0; int king, piece;
9810 piece = boards[forwardMostMove][fromY][fromX];
9811 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9812 if(gameInfo.variant == VariantKnightmate)
9813 king += (int) WhiteUnicorn - (int) WhiteKing;
9814 if(forwardMostMove == 0) {
9815 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9816 fprintf(serverMoves, "%s;", UserName());
9817 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9818 fprintf(serverMoves, "%s;", second.tidy);
9819 fprintf(serverMoves, "%s;", first.tidy);
9820 if(gameMode == MachinePlaysWhite)
9821 fprintf(serverMoves, "%s;", UserName());
9822 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9823 fprintf(serverMoves, "%s;", second.tidy);
9824 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9825 lastLoadFlag = loadFlag;
9827 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9828 // print castling suffix
9829 if( toY == fromY && piece == king ) {
9831 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9833 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9836 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9837 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9838 boards[forwardMostMove][toY][toX] == EmptySquare
9839 && fromX != toX && fromY != toY)
9840 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9842 if(promoChar != NULLCHAR) {
9843 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9844 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9845 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9846 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9849 char buf[MOVE_LEN*2], *p; int len;
9850 fprintf(serverMoves, "/%d/%d",
9851 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9852 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9853 else timeLeft = blackTimeRemaining/1000;
9854 fprintf(serverMoves, "/%d", timeLeft);
9855 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9856 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9857 if(p = strchr(buf, '=')) *p = NULLCHAR;
9858 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9859 fprintf(serverMoves, "/%s", buf);
9861 fflush(serverMoves);
9864 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9865 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9868 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9869 if (commentList[forwardMostMove+1] != NULL) {
9870 free(commentList[forwardMostMove+1]);
9871 commentList[forwardMostMove+1] = NULL;
9873 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9874 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9875 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9876 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9877 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9878 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9879 adjustedClock = FALSE;
9880 gameInfo.result = GameUnfinished;
9881 if (gameInfo.resultDetails != NULL) {
9882 free(gameInfo.resultDetails);
9883 gameInfo.resultDetails = NULL;
9885 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9886 moveList[forwardMostMove - 1]);
9887 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9893 if(gameInfo.variant != VariantShogi)
9894 strcat(parseList[forwardMostMove - 1], "+");
9898 strcat(parseList[forwardMostMove - 1], "#");
9904 /* Updates currentMove if not pausing */
9906 ShowMove (int fromX, int fromY, int toX, int toY)
9908 int instant = (gameMode == PlayFromGameFile) ?
9909 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9910 if(appData.noGUI) return;
9911 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9913 if (forwardMostMove == currentMove + 1) {
9914 AnimateMove(boards[forwardMostMove - 1],
9915 fromX, fromY, toX, toY);
9918 currentMove = forwardMostMove;
9921 if (instant) return;
9923 DisplayMove(currentMove - 1);
9924 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9925 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9926 SetHighlights(fromX, fromY, toX, toY);
9929 DrawPosition(FALSE, boards[currentMove]);
9930 DisplayBothClocks();
9931 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9935 SendEgtPath (ChessProgramState *cps)
9936 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9937 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9939 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9942 char c, *q = name+1, *r, *s;
9944 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9945 while(*p && *p != ',') *q++ = *p++;
9947 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9948 strcmp(name, ",nalimov:") == 0 ) {
9949 // take nalimov path from the menu-changeable option first, if it is defined
9950 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9951 SendToProgram(buf,cps); // send egtbpath command for nalimov
9953 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9954 (s = StrStr(appData.egtFormats, name)) != NULL) {
9955 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9956 s = r = StrStr(s, ":") + 1; // beginning of path info
9957 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9958 c = *r; *r = 0; // temporarily null-terminate path info
9959 *--q = 0; // strip of trailig ':' from name
9960 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9962 SendToProgram(buf,cps); // send egtbpath command for this format
9964 if(*p == ',') p++; // read away comma to position for next format name
9969 NonStandardBoardSize ()
9971 /* [HGM] Awkward testing. Should really be a table */
9972 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9973 if( gameInfo.variant == VariantXiangqi )
9974 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9975 if( gameInfo.variant == VariantShogi )
9976 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9977 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9978 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9979 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9980 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9981 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9982 if( gameInfo.variant == VariantCourier )
9983 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9984 if( gameInfo.variant == VariantSuper )
9985 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9986 if( gameInfo.variant == VariantGreat )
9987 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9988 if( gameInfo.variant == VariantSChess )
9989 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9990 if( gameInfo.variant == VariantGrand )
9991 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9996 InitChessProgram (ChessProgramState *cps, int setup)
9997 /* setup needed to setup FRC opening position */
9999 char buf[MSG_SIZ], b[MSG_SIZ];
10000 if (appData.noChessProgram) return;
10001 hintRequested = FALSE;
10002 bookRequested = FALSE;
10004 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10005 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10006 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10007 if(cps->memSize) { /* [HGM] memory */
10008 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10009 SendToProgram(buf, cps);
10011 SendEgtPath(cps); /* [HGM] EGT */
10012 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10013 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10014 SendToProgram(buf, cps);
10017 SendToProgram(cps->initString, cps);
10018 if (gameInfo.variant != VariantNormal &&
10019 gameInfo.variant != VariantLoadable
10020 /* [HGM] also send variant if board size non-standard */
10021 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10023 char *v = VariantName(gameInfo.variant);
10024 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10025 /* [HGM] in protocol 1 we have to assume all variants valid */
10026 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10027 DisplayFatalError(buf, 0, 1);
10031 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10032 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10033 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10034 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10035 if(StrStr(cps->variants, b) == NULL) {
10036 // specific sized variant not known, check if general sizing allowed
10037 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10038 if(StrStr(cps->variants, "boardsize") == NULL) {
10039 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10040 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10041 DisplayFatalError(buf, 0, 1);
10044 /* [HGM] here we really should compare with the maximum supported board size */
10047 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10048 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10049 SendToProgram(buf, cps);
10051 currentlyInitializedVariant = gameInfo.variant;
10053 /* [HGM] send opening position in FRC to first engine */
10055 SendToProgram("force\n", cps);
10057 /* engine is now in force mode! Set flag to wake it up after first move. */
10058 setboardSpoiledMachineBlack = 1;
10061 if (cps->sendICS) {
10062 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10063 SendToProgram(buf, cps);
10065 cps->maybeThinking = FALSE;
10066 cps->offeredDraw = 0;
10067 if (!appData.icsActive) {
10068 SendTimeControl(cps, movesPerSession, timeControl,
10069 timeIncrement, appData.searchDepth,
10072 if (appData.showThinking
10073 // [HGM] thinking: four options require thinking output to be sent
10074 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10076 SendToProgram("post\n", cps);
10078 SendToProgram("hard\n", cps);
10079 if (!appData.ponderNextMove) {
10080 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10081 it without being sure what state we are in first. "hard"
10082 is not a toggle, so that one is OK.
10084 SendToProgram("easy\n", cps);
10086 if (cps->usePing) {
10087 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10088 SendToProgram(buf, cps);
10090 cps->initDone = TRUE;
10091 ClearEngineOutputPane(cps == &second);
10096 ResendOptions (ChessProgramState *cps)
10097 { // send the stored value of the options
10100 Option *opt = cps->option;
10101 for(i=0; i<cps->nrOptions; i++, opt++) {
10102 switch(opt->type) {
10106 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10109 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10112 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10118 SendToProgram(buf, cps);
10123 StartChessProgram (ChessProgramState *cps)
10128 if (appData.noChessProgram) return;
10129 cps->initDone = FALSE;
10131 if (strcmp(cps->host, "localhost") == 0) {
10132 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10133 } else if (*appData.remoteShell == NULLCHAR) {
10134 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10136 if (*appData.remoteUser == NULLCHAR) {
10137 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10140 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10141 cps->host, appData.remoteUser, cps->program);
10143 err = StartChildProcess(buf, "", &cps->pr);
10147 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10148 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10149 if(cps != &first) return;
10150 appData.noChessProgram = TRUE;
10153 // DisplayFatalError(buf, err, 1);
10154 // cps->pr = NoProc;
10155 // cps->isr = NULL;
10159 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10160 if (cps->protocolVersion > 1) {
10161 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10162 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10163 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10164 cps->comboCnt = 0; // and values of combo boxes
10166 SendToProgram(buf, cps);
10167 if(cps->reload) ResendOptions(cps);
10169 SendToProgram("xboard\n", cps);
10174 TwoMachinesEventIfReady P((void))
10176 static int curMess = 0;
10177 if (first.lastPing != first.lastPong) {
10178 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10179 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10182 if (second.lastPing != second.lastPong) {
10183 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10184 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10187 DisplayMessage("", ""); curMess = 0;
10188 TwoMachinesEvent();
10192 MakeName (char *template)
10196 static char buf[MSG_SIZ];
10200 clock = time((time_t *)NULL);
10201 tm = localtime(&clock);
10203 while(*p++ = *template++) if(p[-1] == '%') {
10204 switch(*template++) {
10205 case 0: *p = 0; return buf;
10206 case 'Y': i = tm->tm_year+1900; break;
10207 case 'y': i = tm->tm_year-100; break;
10208 case 'M': i = tm->tm_mon+1; break;
10209 case 'd': i = tm->tm_mday; break;
10210 case 'h': i = tm->tm_hour; break;
10211 case 'm': i = tm->tm_min; break;
10212 case 's': i = tm->tm_sec; break;
10215 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10221 CountPlayers (char *p)
10224 while(p = strchr(p, '\n')) p++, n++; // count participants
10229 WriteTourneyFile (char *results, FILE *f)
10230 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10231 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10232 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10233 // create a file with tournament description
10234 fprintf(f, "-participants {%s}\n", appData.participants);
10235 fprintf(f, "-seedBase %d\n", appData.seedBase);
10236 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10237 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10238 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10239 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10240 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10241 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10242 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10243 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10244 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10245 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10246 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10247 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10248 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10249 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10250 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10251 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10252 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10253 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10254 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10255 fprintf(f, "-smpCores %d\n", appData.smpCores);
10257 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10259 fprintf(f, "-mps %d\n", appData.movesPerSession);
10260 fprintf(f, "-tc %s\n", appData.timeControl);
10261 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10263 fprintf(f, "-results \"%s\"\n", results);
10268 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10271 Substitute (char *participants, int expunge)
10273 int i, changed, changes=0, nPlayers=0;
10274 char *p, *q, *r, buf[MSG_SIZ];
10275 if(participants == NULL) return;
10276 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10277 r = p = participants; q = appData.participants;
10278 while(*p && *p == *q) {
10279 if(*p == '\n') r = p+1, nPlayers++;
10282 if(*p) { // difference
10283 while(*p && *p++ != '\n');
10284 while(*q && *q++ != '\n');
10285 changed = nPlayers;
10286 changes = 1 + (strcmp(p, q) != 0);
10288 if(changes == 1) { // a single engine mnemonic was changed
10289 q = r; while(*q) nPlayers += (*q++ == '\n');
10290 p = buf; while(*r && (*p = *r++) != '\n') p++;
10292 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10293 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10294 if(mnemonic[i]) { // The substitute is valid
10296 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10297 flock(fileno(f), LOCK_EX);
10298 ParseArgsFromFile(f);
10299 fseek(f, 0, SEEK_SET);
10300 FREE(appData.participants); appData.participants = participants;
10301 if(expunge) { // erase results of replaced engine
10302 int len = strlen(appData.results), w, b, dummy;
10303 for(i=0; i<len; i++) {
10304 Pairing(i, nPlayers, &w, &b, &dummy);
10305 if((w == changed || b == changed) && appData.results[i] == '*') {
10306 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10311 for(i=0; i<len; i++) {
10312 Pairing(i, nPlayers, &w, &b, &dummy);
10313 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10316 WriteTourneyFile(appData.results, f);
10317 fclose(f); // release lock
10320 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10322 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10323 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10324 free(participants);
10329 CheckPlayers (char *participants)
10332 char buf[MSG_SIZ], *p;
10333 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10334 while(p = strchr(participants, '\n')) {
10336 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10338 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10340 DisplayError(buf, 0);
10344 participants = p + 1;
10350 CreateTourney (char *name)
10353 if(matchMode && strcmp(name, appData.tourneyFile)) {
10354 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10356 if(name[0] == NULLCHAR) {
10357 if(appData.participants[0])
10358 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10361 f = fopen(name, "r");
10362 if(f) { // file exists
10363 ASSIGN(appData.tourneyFile, name);
10364 ParseArgsFromFile(f); // parse it
10366 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10367 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10368 DisplayError(_("Not enough participants"), 0);
10371 if(CheckPlayers(appData.participants)) return 0;
10372 ASSIGN(appData.tourneyFile, name);
10373 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10374 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10377 appData.noChessProgram = FALSE;
10378 appData.clockMode = TRUE;
10384 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10386 char buf[MSG_SIZ], *p, *q;
10387 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10388 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10389 skip = !all && group[0]; // if group requested, we start in skip mode
10390 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10391 p = names; q = buf; header = 0;
10392 while(*p && *p != '\n') *q++ = *p++;
10394 if(*p == '\n') p++;
10395 if(buf[0] == '#') {
10396 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10397 depth++; // we must be entering a new group
10398 if(all) continue; // suppress printing group headers when complete list requested
10400 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10402 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10403 if(engineList[i]) free(engineList[i]);
10404 engineList[i] = strdup(buf);
10405 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10406 if(engineMnemonic[i]) free(engineMnemonic[i]);
10407 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10409 sscanf(q + 8, "%s", buf + strlen(buf));
10412 engineMnemonic[i] = strdup(buf);
10415 engineList[i] = engineMnemonic[i] = NULL;
10419 // following implemented as macro to avoid type limitations
10420 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10423 SwapEngines (int n)
10424 { // swap settings for first engine and other engine (so far only some selected options)
10429 SWAP(chessProgram, p)
10431 SWAP(hasOwnBookUCI, h)
10432 SWAP(protocolVersion, h)
10434 SWAP(scoreIsAbsolute, h)
10439 SWAP(engOptions, p)
10440 SWAP(engInitString, p)
10441 SWAP(computerString, p)
10443 SWAP(fenOverride, p)
10445 SWAP(accumulateTC, h)
10450 GetEngineLine (char *s, int n)
10454 extern char *icsNames;
10455 if(!s || !*s) return 0;
10456 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10457 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10458 if(!mnemonic[i]) return 0;
10459 if(n == 11) return 1; // just testing if there was a match
10460 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10461 if(n == 1) SwapEngines(n);
10462 ParseArgsFromString(buf);
10463 if(n == 1) SwapEngines(n);
10464 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10465 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10466 ParseArgsFromString(buf);
10472 SetPlayer (int player, char *p)
10473 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10475 char buf[MSG_SIZ], *engineName;
10476 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10477 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10478 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10480 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10481 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10482 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10483 ParseArgsFromString(buf);
10484 } else { // no engine with this nickname is installed!
10485 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10486 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10487 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10489 DisplayError(buf, 0);
10496 char *recentEngines;
10499 RecentEngineEvent (int nr)
10502 // SwapEngines(1); // bump first to second
10503 // ReplaceEngine(&second, 1); // and load it there
10504 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10505 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10506 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10507 ReplaceEngine(&first, 0);
10508 FloatToFront(&appData.recentEngineList, command[n]);
10513 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10514 { // determine players from game number
10515 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10517 if(appData.tourneyType == 0) {
10518 roundsPerCycle = (nPlayers - 1) | 1;
10519 pairingsPerRound = nPlayers / 2;
10520 } else if(appData.tourneyType > 0) {
10521 roundsPerCycle = nPlayers - appData.tourneyType;
10522 pairingsPerRound = appData.tourneyType;
10524 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10525 gamesPerCycle = gamesPerRound * roundsPerCycle;
10526 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10527 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10528 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10529 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10530 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10531 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10533 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10534 if(appData.roundSync) *syncInterval = gamesPerRound;
10536 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10538 if(appData.tourneyType == 0) {
10539 if(curPairing == (nPlayers-1)/2 ) {
10540 *whitePlayer = curRound;
10541 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10543 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10544 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10545 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10546 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10548 } else if(appData.tourneyType > 1) {
10549 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10550 *whitePlayer = curRound + appData.tourneyType;
10551 } else if(appData.tourneyType > 0) {
10552 *whitePlayer = curPairing;
10553 *blackPlayer = curRound + appData.tourneyType;
10556 // take care of white/black alternation per round.
10557 // For cycles and games this is already taken care of by default, derived from matchGame!
10558 return curRound & 1;
10562 NextTourneyGame (int nr, int *swapColors)
10563 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10565 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10567 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10568 tf = fopen(appData.tourneyFile, "r");
10569 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10570 ParseArgsFromFile(tf); fclose(tf);
10571 InitTimeControls(); // TC might be altered from tourney file
10573 nPlayers = CountPlayers(appData.participants); // count participants
10574 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10575 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10578 p = q = appData.results;
10579 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10580 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10581 DisplayMessage(_("Waiting for other game(s)"),"");
10582 waitingForGame = TRUE;
10583 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10586 waitingForGame = FALSE;
10589 if(appData.tourneyType < 0) {
10590 if(nr>=0 && !pairingReceived) {
10592 if(pairing.pr == NoProc) {
10593 if(!appData.pairingEngine[0]) {
10594 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10597 StartChessProgram(&pairing); // starts the pairing engine
10599 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10600 SendToProgram(buf, &pairing);
10601 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10602 SendToProgram(buf, &pairing);
10603 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10605 pairingReceived = 0; // ... so we continue here
10607 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10608 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10609 matchGame = 1; roundNr = nr / syncInterval + 1;
10612 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10614 // redefine engines, engine dir, etc.
10615 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10616 if(first.pr == NoProc) {
10617 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10618 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10620 if(second.pr == NoProc) {
10622 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10623 SwapEngines(1); // and make that valid for second engine by swapping
10624 InitEngine(&second, 1);
10626 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10627 UpdateLogos(FALSE); // leave display to ModeHiglight()
10633 { // performs game initialization that does not invoke engines, and then tries to start the game
10634 int res, firstWhite, swapColors = 0;
10635 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10636 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
10638 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10639 if(strcmp(buf, currentDebugFile)) { // name has changed
10640 FILE *f = fopen(buf, "w");
10641 if(f) { // if opening the new file failed, just keep using the old one
10642 ASSIGN(currentDebugFile, buf);
10646 if(appData.serverFileName) {
10647 if(serverFP) fclose(serverFP);
10648 serverFP = fopen(appData.serverFileName, "w");
10649 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10650 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10654 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10655 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10656 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10657 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10658 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10659 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10660 Reset(FALSE, first.pr != NoProc);
10661 res = LoadGameOrPosition(matchGame); // setup game
10662 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10663 if(!res) return; // abort when bad game/pos file
10664 TwoMachinesEvent();
10668 UserAdjudicationEvent (int result)
10670 ChessMove gameResult = GameIsDrawn;
10673 gameResult = WhiteWins;
10675 else if( result < 0 ) {
10676 gameResult = BlackWins;
10679 if( gameMode == TwoMachinesPlay ) {
10680 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10685 // [HGM] save: calculate checksum of game to make games easily identifiable
10687 StringCheckSum (char *s)
10690 if(s==NULL) return 0;
10691 while(*s) i = i*259 + *s++;
10699 for(i=backwardMostMove; i<forwardMostMove; i++) {
10700 sum += pvInfoList[i].depth;
10701 sum += StringCheckSum(parseList[i]);
10702 sum += StringCheckSum(commentList[i]);
10705 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10706 return sum + StringCheckSum(commentList[i]);
10707 } // end of save patch
10710 GameEnds (ChessMove result, char *resultDetails, int whosays)
10712 GameMode nextGameMode;
10714 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10716 if(endingGame) return; /* [HGM] crash: forbid recursion */
10718 if(twoBoards) { // [HGM] dual: switch back to one board
10719 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10720 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10722 if (appData.debugMode) {
10723 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10724 result, resultDetails ? resultDetails : "(null)", whosays);
10727 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10729 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10731 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10732 /* If we are playing on ICS, the server decides when the
10733 game is over, but the engine can offer to draw, claim
10737 if (appData.zippyPlay && first.initDone) {
10738 if (result == GameIsDrawn) {
10739 /* In case draw still needs to be claimed */
10740 SendToICS(ics_prefix);
10741 SendToICS("draw\n");
10742 } else if (StrCaseStr(resultDetails, "resign")) {
10743 SendToICS(ics_prefix);
10744 SendToICS("resign\n");
10748 endingGame = 0; /* [HGM] crash */
10752 /* If we're loading the game from a file, stop */
10753 if (whosays == GE_FILE) {
10754 (void) StopLoadGameTimer();
10758 /* Cancel draw offers */
10759 first.offeredDraw = second.offeredDraw = 0;
10761 /* If this is an ICS game, only ICS can really say it's done;
10762 if not, anyone can. */
10763 isIcsGame = (gameMode == IcsPlayingWhite ||
10764 gameMode == IcsPlayingBlack ||
10765 gameMode == IcsObserving ||
10766 gameMode == IcsExamining);
10768 if (!isIcsGame || whosays == GE_ICS) {
10769 /* OK -- not an ICS game, or ICS said it was done */
10771 if (!isIcsGame && !appData.noChessProgram)
10772 SetUserThinkingEnables();
10774 /* [HGM] if a machine claims the game end we verify this claim */
10775 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10776 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10778 ChessMove trueResult = (ChessMove) -1;
10780 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10781 first.twoMachinesColor[0] :
10782 second.twoMachinesColor[0] ;
10784 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10785 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10786 /* [HGM] verify: engine mate claims accepted if they were flagged */
10787 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10789 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10790 /* [HGM] verify: engine mate claims accepted if they were flagged */
10791 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10793 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10794 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10797 // now verify win claims, but not in drop games, as we don't understand those yet
10798 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10799 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10800 (result == WhiteWins && claimer == 'w' ||
10801 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10802 if (appData.debugMode) {
10803 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10804 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10806 if(result != trueResult) {
10807 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10808 result = claimer == 'w' ? BlackWins : WhiteWins;
10809 resultDetails = buf;
10812 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10813 && (forwardMostMove <= backwardMostMove ||
10814 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10815 (claimer=='b')==(forwardMostMove&1))
10817 /* [HGM] verify: draws that were not flagged are false claims */
10818 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10819 result = claimer == 'w' ? BlackWins : WhiteWins;
10820 resultDetails = buf;
10822 /* (Claiming a loss is accepted no questions asked!) */
10823 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10824 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10825 result = GameUnfinished;
10826 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10828 /* [HGM] bare: don't allow bare King to win */
10829 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10830 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10831 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10832 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10833 && result != GameIsDrawn)
10834 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10835 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10836 int p = (signed char)boards[forwardMostMove][i][j] - color;
10837 if(p >= 0 && p <= (int)WhiteKing) k++;
10839 if (appData.debugMode) {
10840 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10841 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10844 result = GameIsDrawn;
10845 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10846 resultDetails = buf;
10852 if(serverMoves != NULL && !loadFlag) { char c = '=';
10853 if(result==WhiteWins) c = '+';
10854 if(result==BlackWins) c = '-';
10855 if(resultDetails != NULL)
10856 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10858 if (resultDetails != NULL) {
10859 gameInfo.result = result;
10860 gameInfo.resultDetails = StrSave(resultDetails);
10862 /* display last move only if game was not loaded from file */
10863 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10864 DisplayMove(currentMove - 1);
10866 if (forwardMostMove != 0) {
10867 if (gameMode != PlayFromGameFile && gameMode != EditGame
10868 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10870 if (*appData.saveGameFile != NULLCHAR) {
10871 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10872 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10874 SaveGameToFile(appData.saveGameFile, TRUE);
10875 } else if (appData.autoSaveGames) {
10876 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10878 if (*appData.savePositionFile != NULLCHAR) {
10879 SavePositionToFile(appData.savePositionFile);
10881 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10885 /* Tell program how game ended in case it is learning */
10886 /* [HGM] Moved this to after saving the PGN, just in case */
10887 /* engine died and we got here through time loss. In that */
10888 /* case we will get a fatal error writing the pipe, which */
10889 /* would otherwise lose us the PGN. */
10890 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10891 /* output during GameEnds should never be fatal anymore */
10892 if (gameMode == MachinePlaysWhite ||
10893 gameMode == MachinePlaysBlack ||
10894 gameMode == TwoMachinesPlay ||
10895 gameMode == IcsPlayingWhite ||
10896 gameMode == IcsPlayingBlack ||
10897 gameMode == BeginningOfGame) {
10899 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10901 if (first.pr != NoProc) {
10902 SendToProgram(buf, &first);
10904 if (second.pr != NoProc &&
10905 gameMode == TwoMachinesPlay) {
10906 SendToProgram(buf, &second);
10911 if (appData.icsActive) {
10912 if (appData.quietPlay &&
10913 (gameMode == IcsPlayingWhite ||
10914 gameMode == IcsPlayingBlack)) {
10915 SendToICS(ics_prefix);
10916 SendToICS("set shout 1\n");
10918 nextGameMode = IcsIdle;
10919 ics_user_moved = FALSE;
10920 /* clean up premove. It's ugly when the game has ended and the
10921 * premove highlights are still on the board.
10924 gotPremove = FALSE;
10925 ClearPremoveHighlights();
10926 DrawPosition(FALSE, boards[currentMove]);
10928 if (whosays == GE_ICS) {
10931 if (gameMode == IcsPlayingWhite)
10933 else if(gameMode == IcsPlayingBlack)
10934 PlayIcsLossSound();
10937 if (gameMode == IcsPlayingBlack)
10939 else if(gameMode == IcsPlayingWhite)
10940 PlayIcsLossSound();
10943 PlayIcsDrawSound();
10946 PlayIcsUnfinishedSound();
10949 if(appData.quitNext) { ExitEvent(0); return; }
10950 } else if (gameMode == EditGame ||
10951 gameMode == PlayFromGameFile ||
10952 gameMode == AnalyzeMode ||
10953 gameMode == AnalyzeFile) {
10954 nextGameMode = gameMode;
10956 nextGameMode = EndOfGame;
10961 nextGameMode = gameMode;
10964 if (appData.noChessProgram) {
10965 gameMode = nextGameMode;
10967 endingGame = 0; /* [HGM] crash */
10972 /* Put first chess program into idle state */
10973 if (first.pr != NoProc &&
10974 (gameMode == MachinePlaysWhite ||
10975 gameMode == MachinePlaysBlack ||
10976 gameMode == TwoMachinesPlay ||
10977 gameMode == IcsPlayingWhite ||
10978 gameMode == IcsPlayingBlack ||
10979 gameMode == BeginningOfGame)) {
10980 SendToProgram("force\n", &first);
10981 if (first.usePing) {
10983 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10984 SendToProgram(buf, &first);
10987 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10988 /* Kill off first chess program */
10989 if (first.isr != NULL)
10990 RemoveInputSource(first.isr);
10993 if (first.pr != NoProc) {
10995 DoSleep( appData.delayBeforeQuit );
10996 SendToProgram("quit\n", &first);
10997 DoSleep( appData.delayAfterQuit );
10998 DestroyChildProcess(first.pr, first.useSigterm);
10999 first.reload = TRUE;
11003 if (second.reuse) {
11004 /* Put second chess program into idle state */
11005 if (second.pr != NoProc &&
11006 gameMode == TwoMachinesPlay) {
11007 SendToProgram("force\n", &second);
11008 if (second.usePing) {
11010 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11011 SendToProgram(buf, &second);
11014 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11015 /* Kill off second chess program */
11016 if (second.isr != NULL)
11017 RemoveInputSource(second.isr);
11020 if (second.pr != NoProc) {
11021 DoSleep( appData.delayBeforeQuit );
11022 SendToProgram("quit\n", &second);
11023 DoSleep( appData.delayAfterQuit );
11024 DestroyChildProcess(second.pr, second.useSigterm);
11025 second.reload = TRUE;
11027 second.pr = NoProc;
11030 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11031 char resChar = '=';
11035 if (first.twoMachinesColor[0] == 'w') {
11038 second.matchWins++;
11043 if (first.twoMachinesColor[0] == 'b') {
11046 second.matchWins++;
11049 case GameUnfinished:
11055 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11056 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11057 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11058 ReserveGame(nextGame, resChar); // sets nextGame
11059 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11060 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11061 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11063 if (nextGame <= appData.matchGames && !abortMatch) {
11064 gameMode = nextGameMode;
11065 matchGame = nextGame; // this will be overruled in tourney mode!
11066 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11067 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11068 endingGame = 0; /* [HGM] crash */
11071 gameMode = nextGameMode;
11072 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11073 first.tidy, second.tidy,
11074 first.matchWins, second.matchWins,
11075 appData.matchGames - (first.matchWins + second.matchWins));
11076 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11077 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11078 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11079 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11080 first.twoMachinesColor = "black\n";
11081 second.twoMachinesColor = "white\n";
11083 first.twoMachinesColor = "white\n";
11084 second.twoMachinesColor = "black\n";
11088 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11089 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11091 gameMode = nextGameMode;
11093 endingGame = 0; /* [HGM] crash */
11094 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11095 if(matchMode == TRUE) { // match through command line: exit with or without popup
11097 ToNrEvent(forwardMostMove);
11098 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11100 } else DisplayFatalError(buf, 0, 0);
11101 } else { // match through menu; just stop, with or without popup
11102 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11105 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11106 } else DisplayNote(buf);
11108 if(ranking) free(ranking);
11112 /* Assumes program was just initialized (initString sent).
11113 Leaves program in force mode. */
11115 FeedMovesToProgram (ChessProgramState *cps, int upto)
11119 if (appData.debugMode)
11120 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11121 startedFromSetupPosition ? "position and " : "",
11122 backwardMostMove, upto, cps->which);
11123 if(currentlyInitializedVariant != gameInfo.variant) {
11125 // [HGM] variantswitch: make engine aware of new variant
11126 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11127 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11128 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11129 SendToProgram(buf, cps);
11130 currentlyInitializedVariant = gameInfo.variant;
11132 SendToProgram("force\n", cps);
11133 if (startedFromSetupPosition) {
11134 SendBoard(cps, backwardMostMove);
11135 if (appData.debugMode) {
11136 fprintf(debugFP, "feedMoves\n");
11139 for (i = backwardMostMove; i < upto; i++) {
11140 SendMoveToProgram(i, cps);
11146 ResurrectChessProgram ()
11148 /* The chess program may have exited.
11149 If so, restart it and feed it all the moves made so far. */
11150 static int doInit = 0;
11152 if (appData.noChessProgram) return 1;
11154 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11155 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11156 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11157 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11159 if (first.pr != NoProc) return 1;
11160 StartChessProgram(&first);
11162 InitChessProgram(&first, FALSE);
11163 FeedMovesToProgram(&first, currentMove);
11165 if (!first.sendTime) {
11166 /* can't tell gnuchess what its clock should read,
11167 so we bow to its notion. */
11169 timeRemaining[0][currentMove] = whiteTimeRemaining;
11170 timeRemaining[1][currentMove] = blackTimeRemaining;
11173 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11174 appData.icsEngineAnalyze) && first.analysisSupport) {
11175 SendToProgram("analyze\n", &first);
11176 first.analyzing = TRUE;
11182 * Button procedures
11185 Reset (int redraw, int init)
11189 if (appData.debugMode) {
11190 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11191 redraw, init, gameMode);
11193 CleanupTail(); // [HGM] vari: delete any stored variations
11194 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11195 pausing = pauseExamInvalid = FALSE;
11196 startedFromSetupPosition = blackPlaysFirst = FALSE;
11198 whiteFlag = blackFlag = FALSE;
11199 userOfferedDraw = FALSE;
11200 hintRequested = bookRequested = FALSE;
11201 first.maybeThinking = FALSE;
11202 second.maybeThinking = FALSE;
11203 first.bookSuspend = FALSE; // [HGM] book
11204 second.bookSuspend = FALSE;
11205 thinkOutput[0] = NULLCHAR;
11206 lastHint[0] = NULLCHAR;
11207 ClearGameInfo(&gameInfo);
11208 gameInfo.variant = StringToVariant(appData.variant);
11209 ics_user_moved = ics_clock_paused = FALSE;
11210 ics_getting_history = H_FALSE;
11212 white_holding[0] = black_holding[0] = NULLCHAR;
11213 ClearProgramStats();
11214 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11218 flipView = appData.flipView;
11219 ClearPremoveHighlights();
11220 gotPremove = FALSE;
11221 alarmSounded = FALSE;
11223 GameEnds(EndOfFile, NULL, GE_PLAYER);
11224 if(appData.serverMovesName != NULL) {
11225 /* [HGM] prepare to make moves file for broadcasting */
11226 clock_t t = clock();
11227 if(serverMoves != NULL) fclose(serverMoves);
11228 serverMoves = fopen(appData.serverMovesName, "r");
11229 if(serverMoves != NULL) {
11230 fclose(serverMoves);
11231 /* delay 15 sec before overwriting, so all clients can see end */
11232 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11234 serverMoves = fopen(appData.serverMovesName, "w");
11238 gameMode = BeginningOfGame;
11240 if(appData.icsActive) gameInfo.variant = VariantNormal;
11241 currentMove = forwardMostMove = backwardMostMove = 0;
11242 MarkTargetSquares(1);
11243 InitPosition(redraw);
11244 for (i = 0; i < MAX_MOVES; i++) {
11245 if (commentList[i] != NULL) {
11246 free(commentList[i]);
11247 commentList[i] = NULL;
11251 timeRemaining[0][0] = whiteTimeRemaining;
11252 timeRemaining[1][0] = blackTimeRemaining;
11254 if (first.pr == NoProc) {
11255 StartChessProgram(&first);
11258 InitChessProgram(&first, startedFromSetupPosition);
11261 DisplayMessage("", "");
11262 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11263 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11264 ClearMap(); // [HGM] exclude: invalidate map
11268 AutoPlayGameLoop ()
11271 if (!AutoPlayOneMove())
11273 if (matchMode || appData.timeDelay == 0)
11275 if (appData.timeDelay < 0)
11277 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11285 ReloadGame(1); // next game
11291 int fromX, fromY, toX, toY;
11293 if (appData.debugMode) {
11294 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11297 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11300 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11301 pvInfoList[currentMove].depth = programStats.depth;
11302 pvInfoList[currentMove].score = programStats.score;
11303 pvInfoList[currentMove].time = 0;
11304 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11305 else { // append analysis of final position as comment
11307 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11308 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11310 programStats.depth = 0;
11313 if (currentMove >= forwardMostMove) {
11314 if(gameMode == AnalyzeFile) {
11315 if(appData.loadGameIndex == -1) {
11316 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11317 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11319 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11322 // gameMode = EndOfGame;
11323 // ModeHighlight();
11325 /* [AS] Clear current move marker at the end of a game */
11326 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11331 toX = moveList[currentMove][2] - AAA;
11332 toY = moveList[currentMove][3] - ONE;
11334 if (moveList[currentMove][1] == '@') {
11335 if (appData.highlightLastMove) {
11336 SetHighlights(-1, -1, toX, toY);
11339 fromX = moveList[currentMove][0] - AAA;
11340 fromY = moveList[currentMove][1] - ONE;
11342 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11344 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11346 if (appData.highlightLastMove) {
11347 SetHighlights(fromX, fromY, toX, toY);
11350 DisplayMove(currentMove);
11351 SendMoveToProgram(currentMove++, &first);
11352 DisplayBothClocks();
11353 DrawPosition(FALSE, boards[currentMove]);
11354 // [HGM] PV info: always display, routine tests if empty
11355 DisplayComment(currentMove - 1, commentList[currentMove]);
11361 LoadGameOneMove (ChessMove readAhead)
11363 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11364 char promoChar = NULLCHAR;
11365 ChessMove moveType;
11366 char move[MSG_SIZ];
11369 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11370 gameMode != AnalyzeMode && gameMode != Training) {
11375 yyboardindex = forwardMostMove;
11376 if (readAhead != EndOfFile) {
11377 moveType = readAhead;
11379 if (gameFileFP == NULL)
11381 moveType = (ChessMove) Myylex();
11385 switch (moveType) {
11387 if (appData.debugMode)
11388 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11391 /* append the comment but don't display it */
11392 AppendComment(currentMove, p, FALSE);
11395 case WhiteCapturesEnPassant:
11396 case BlackCapturesEnPassant:
11397 case WhitePromotion:
11398 case BlackPromotion:
11399 case WhiteNonPromotion:
11400 case BlackNonPromotion:
11402 case WhiteKingSideCastle:
11403 case WhiteQueenSideCastle:
11404 case BlackKingSideCastle:
11405 case BlackQueenSideCastle:
11406 case WhiteKingSideCastleWild:
11407 case WhiteQueenSideCastleWild:
11408 case BlackKingSideCastleWild:
11409 case BlackQueenSideCastleWild:
11411 case WhiteHSideCastleFR:
11412 case WhiteASideCastleFR:
11413 case BlackHSideCastleFR:
11414 case BlackASideCastleFR:
11416 if (appData.debugMode)
11417 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11418 fromX = currentMoveString[0] - AAA;
11419 fromY = currentMoveString[1] - ONE;
11420 toX = currentMoveString[2] - AAA;
11421 toY = currentMoveString[3] - ONE;
11422 promoChar = currentMoveString[4];
11427 if (appData.debugMode)
11428 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11429 fromX = moveType == WhiteDrop ?
11430 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11431 (int) CharToPiece(ToLower(currentMoveString[0]));
11433 toX = currentMoveString[2] - AAA;
11434 toY = currentMoveString[3] - ONE;
11440 case GameUnfinished:
11441 if (appData.debugMode)
11442 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11443 p = strchr(yy_text, '{');
11444 if (p == NULL) p = strchr(yy_text, '(');
11447 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11449 q = strchr(p, *p == '{' ? '}' : ')');
11450 if (q != NULL) *q = NULLCHAR;
11453 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11454 GameEnds(moveType, p, GE_FILE);
11456 if (cmailMsgLoaded) {
11458 flipView = WhiteOnMove(currentMove);
11459 if (moveType == GameUnfinished) flipView = !flipView;
11460 if (appData.debugMode)
11461 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11466 if (appData.debugMode)
11467 fprintf(debugFP, "Parser hit end of file\n");
11468 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11474 if (WhiteOnMove(currentMove)) {
11475 GameEnds(BlackWins, "Black mates", GE_FILE);
11477 GameEnds(WhiteWins, "White mates", GE_FILE);
11481 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11487 case MoveNumberOne:
11488 if (lastLoadGameStart == GNUChessGame) {
11489 /* GNUChessGames have numbers, but they aren't move numbers */
11490 if (appData.debugMode)
11491 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11492 yy_text, (int) moveType);
11493 return LoadGameOneMove(EndOfFile); /* tail recursion */
11495 /* else fall thru */
11500 /* Reached start of next game in file */
11501 if (appData.debugMode)
11502 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11503 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11509 if (WhiteOnMove(currentMove)) {
11510 GameEnds(BlackWins, "Black mates", GE_FILE);
11512 GameEnds(WhiteWins, "White mates", GE_FILE);
11516 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11522 case PositionDiagram: /* should not happen; ignore */
11523 case ElapsedTime: /* ignore */
11524 case NAG: /* ignore */
11525 if (appData.debugMode)
11526 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11527 yy_text, (int) moveType);
11528 return LoadGameOneMove(EndOfFile); /* tail recursion */
11531 if (appData.testLegality) {
11532 if (appData.debugMode)
11533 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11534 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11535 (forwardMostMove / 2) + 1,
11536 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11537 DisplayError(move, 0);
11540 if (appData.debugMode)
11541 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11542 yy_text, currentMoveString);
11543 fromX = currentMoveString[0] - AAA;
11544 fromY = currentMoveString[1] - ONE;
11545 toX = currentMoveString[2] - AAA;
11546 toY = currentMoveString[3] - ONE;
11547 promoChar = currentMoveString[4];
11551 case AmbiguousMove:
11552 if (appData.debugMode)
11553 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11554 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11555 (forwardMostMove / 2) + 1,
11556 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11557 DisplayError(move, 0);
11562 case ImpossibleMove:
11563 if (appData.debugMode)
11564 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11565 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11566 (forwardMostMove / 2) + 1,
11567 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11568 DisplayError(move, 0);
11574 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11575 DrawPosition(FALSE, boards[currentMove]);
11576 DisplayBothClocks();
11577 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11578 DisplayComment(currentMove - 1, commentList[currentMove]);
11580 (void) StopLoadGameTimer();
11582 cmailOldMove = forwardMostMove;
11585 /* currentMoveString is set as a side-effect of yylex */
11587 thinkOutput[0] = NULLCHAR;
11588 MakeMove(fromX, fromY, toX, toY, promoChar);
11589 currentMove = forwardMostMove;
11594 /* Load the nth game from the given file */
11596 LoadGameFromFile (char *filename, int n, char *title, int useList)
11601 if (strcmp(filename, "-") == 0) {
11605 f = fopen(filename, "rb");
11607 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11608 DisplayError(buf, errno);
11612 if (fseek(f, 0, 0) == -1) {
11613 /* f is not seekable; probably a pipe */
11616 if (useList && n == 0) {
11617 int error = GameListBuild(f);
11619 DisplayError(_("Cannot build game list"), error);
11620 } else if (!ListEmpty(&gameList) &&
11621 ((ListGame *) gameList.tailPred)->number > 1) {
11622 GameListPopUp(f, title);
11629 return LoadGame(f, n, title, FALSE);
11634 MakeRegisteredMove ()
11636 int fromX, fromY, toX, toY;
11638 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11639 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11642 if (appData.debugMode)
11643 fprintf(debugFP, "Restoring %s for game %d\n",
11644 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11646 thinkOutput[0] = NULLCHAR;
11647 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11648 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11649 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11650 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11651 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11652 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11653 MakeMove(fromX, fromY, toX, toY, promoChar);
11654 ShowMove(fromX, fromY, toX, toY);
11656 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11663 if (WhiteOnMove(currentMove)) {
11664 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11666 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11671 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11678 if (WhiteOnMove(currentMove)) {
11679 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11681 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11686 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11697 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11699 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11703 if (gameNumber > nCmailGames) {
11704 DisplayError(_("No more games in this message"), 0);
11707 if (f == lastLoadGameFP) {
11708 int offset = gameNumber - lastLoadGameNumber;
11710 cmailMsg[0] = NULLCHAR;
11711 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11712 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11713 nCmailMovesRegistered--;
11715 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11716 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11717 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11720 if (! RegisterMove()) return FALSE;
11724 retVal = LoadGame(f, gameNumber, title, useList);
11726 /* Make move registered during previous look at this game, if any */
11727 MakeRegisteredMove();
11729 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11730 commentList[currentMove]
11731 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11732 DisplayComment(currentMove - 1, commentList[currentMove]);
11738 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11740 ReloadGame (int offset)
11742 int gameNumber = lastLoadGameNumber + offset;
11743 if (lastLoadGameFP == NULL) {
11744 DisplayError(_("No game has been loaded yet"), 0);
11747 if (gameNumber <= 0) {
11748 DisplayError(_("Can't back up any further"), 0);
11751 if (cmailMsgLoaded) {
11752 return CmailLoadGame(lastLoadGameFP, gameNumber,
11753 lastLoadGameTitle, lastLoadGameUseList);
11755 return LoadGame(lastLoadGameFP, gameNumber,
11756 lastLoadGameTitle, lastLoadGameUseList);
11760 int keys[EmptySquare+1];
11763 PositionMatches (Board b1, Board b2)
11766 switch(appData.searchMode) {
11767 case 1: return CompareWithRights(b1, b2);
11769 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11770 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11774 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11775 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11776 sum += keys[b1[r][f]] - keys[b2[r][f]];
11780 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11781 sum += keys[b1[r][f]] - keys[b2[r][f]];
11793 int pieceList[256], quickBoard[256];
11794 ChessSquare pieceType[256] = { EmptySquare };
11795 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11796 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11797 int soughtTotal, turn;
11798 Boolean epOK, flipSearch;
11801 unsigned char piece, to;
11804 #define DSIZE (250000)
11806 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11807 Move *moveDatabase = initialSpace;
11808 unsigned int movePtr, dataSize = DSIZE;
11811 MakePieceList (Board board, int *counts)
11813 int r, f, n=Q_PROMO, total=0;
11814 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11815 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11816 int sq = f + (r<<4);
11817 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11818 quickBoard[sq] = ++n;
11820 pieceType[n] = board[r][f];
11821 counts[board[r][f]]++;
11822 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11823 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11827 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11832 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11834 int sq = fromX + (fromY<<4);
11835 int piece = quickBoard[sq];
11836 quickBoard[sq] = 0;
11837 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11838 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11839 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11840 moveDatabase[movePtr++].piece = Q_WCASTL;
11841 quickBoard[sq] = piece;
11842 piece = quickBoard[from]; quickBoard[from] = 0;
11843 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11845 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11846 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11847 moveDatabase[movePtr++].piece = Q_BCASTL;
11848 quickBoard[sq] = piece;
11849 piece = quickBoard[from]; quickBoard[from] = 0;
11850 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11852 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11853 quickBoard[(fromY<<4)+toX] = 0;
11854 moveDatabase[movePtr].piece = Q_EP;
11855 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11856 moveDatabase[movePtr].to = sq;
11858 if(promoPiece != pieceType[piece]) {
11859 moveDatabase[movePtr++].piece = Q_PROMO;
11860 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11862 moveDatabase[movePtr].piece = piece;
11863 quickBoard[sq] = piece;
11868 PackGame (Board board)
11870 Move *newSpace = NULL;
11871 moveDatabase[movePtr].piece = 0; // terminate previous game
11872 if(movePtr > dataSize) {
11873 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11874 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11875 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11878 Move *p = moveDatabase, *q = newSpace;
11879 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11880 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11881 moveDatabase = newSpace;
11882 } else { // calloc failed, we must be out of memory. Too bad...
11883 dataSize = 0; // prevent calloc events for all subsequent games
11884 return 0; // and signal this one isn't cached
11888 MakePieceList(board, counts);
11893 QuickCompare (Board board, int *minCounts, int *maxCounts)
11894 { // compare according to search mode
11896 switch(appData.searchMode)
11898 case 1: // exact position match
11899 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11900 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11901 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11904 case 2: // can have extra material on empty squares
11905 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11906 if(board[r][f] == EmptySquare) continue;
11907 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11910 case 3: // material with exact Pawn structure
11911 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11912 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11913 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11914 } // fall through to material comparison
11915 case 4: // exact material
11916 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11918 case 6: // material range with given imbalance
11919 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11920 // fall through to range comparison
11921 case 5: // material range
11922 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11928 QuickScan (Board board, Move *move)
11929 { // reconstruct game,and compare all positions in it
11930 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11932 int piece = move->piece;
11933 int to = move->to, from = pieceList[piece];
11934 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11935 if(!piece) return -1;
11936 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11937 piece = (++move)->piece;
11938 from = pieceList[piece];
11939 counts[pieceType[piece]]--;
11940 pieceType[piece] = (ChessSquare) move->to;
11941 counts[move->to]++;
11942 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11943 counts[pieceType[quickBoard[to]]]--;
11944 quickBoard[to] = 0; total--;
11947 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11948 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11949 from = pieceList[piece]; // so this must be King
11950 quickBoard[from] = 0;
11951 pieceList[piece] = to;
11952 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11953 quickBoard[from] = 0; // rook
11954 quickBoard[to] = piece;
11955 to = move->to; piece = move->piece;
11959 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11960 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11961 quickBoard[from] = 0;
11963 quickBoard[to] = piece;
11964 pieceList[piece] = to;
11966 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11967 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11968 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11969 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11971 static int lastCounts[EmptySquare+1];
11973 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11974 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11975 } else stretch = 0;
11976 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11985 flipSearch = FALSE;
11986 CopyBoard(soughtBoard, boards[currentMove]);
11987 soughtTotal = MakePieceList(soughtBoard, maxSought);
11988 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11989 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11990 CopyBoard(reverseBoard, boards[currentMove]);
11991 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11992 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11993 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11994 reverseBoard[r][f] = piece;
11996 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11997 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11998 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11999 || (boards[currentMove][CASTLING][2] == NoRights ||
12000 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12001 && (boards[currentMove][CASTLING][5] == NoRights ||
12002 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12005 CopyBoard(flipBoard, soughtBoard);
12006 CopyBoard(rotateBoard, reverseBoard);
12007 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12008 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12009 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12012 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12013 if(appData.searchMode >= 5) {
12014 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12015 MakePieceList(soughtBoard, minSought);
12016 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12018 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12019 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12022 GameInfo dummyInfo;
12023 static int creatingBook;
12026 GameContainsPosition (FILE *f, ListGame *lg)
12028 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12029 int fromX, fromY, toX, toY;
12031 static int initDone=FALSE;
12033 // weed out games based on numerical tag comparison
12034 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12035 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12036 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12037 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12039 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12042 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
12043 else CopyBoard(boards[scratch], initialPosition); // default start position
12046 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12047 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12050 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12051 fseek(f, lg->offset, 0);
12054 yyboardindex = scratch;
12055 quickFlag = plyNr+1;
12060 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12066 if(plyNr) return -1; // after we have seen moves, this is for new game
12069 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12070 case ImpossibleMove:
12071 case WhiteWins: // game ends here with these four
12074 case GameUnfinished:
12078 if(appData.testLegality) return -1;
12079 case WhiteCapturesEnPassant:
12080 case BlackCapturesEnPassant:
12081 case WhitePromotion:
12082 case BlackPromotion:
12083 case WhiteNonPromotion:
12084 case BlackNonPromotion:
12086 case WhiteKingSideCastle:
12087 case WhiteQueenSideCastle:
12088 case BlackKingSideCastle:
12089 case BlackQueenSideCastle:
12090 case WhiteKingSideCastleWild:
12091 case WhiteQueenSideCastleWild:
12092 case BlackKingSideCastleWild:
12093 case BlackQueenSideCastleWild:
12094 case WhiteHSideCastleFR:
12095 case WhiteASideCastleFR:
12096 case BlackHSideCastleFR:
12097 case BlackASideCastleFR:
12098 fromX = currentMoveString[0] - AAA;
12099 fromY = currentMoveString[1] - ONE;
12100 toX = currentMoveString[2] - AAA;
12101 toY = currentMoveString[3] - ONE;
12102 promoChar = currentMoveString[4];
12106 fromX = next == WhiteDrop ?
12107 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12108 (int) CharToPiece(ToLower(currentMoveString[0]));
12110 toX = currentMoveString[2] - AAA;
12111 toY = currentMoveString[3] - ONE;
12115 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12117 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12118 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12119 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12120 if(appData.findMirror) {
12121 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12122 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12127 /* Load the nth game from open file f */
12129 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12133 int gn = gameNumber;
12134 ListGame *lg = NULL;
12135 int numPGNTags = 0;
12137 GameMode oldGameMode;
12138 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12140 if (appData.debugMode)
12141 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12143 if (gameMode == Training )
12144 SetTrainingModeOff();
12146 oldGameMode = gameMode;
12147 if (gameMode != BeginningOfGame) {
12148 Reset(FALSE, TRUE);
12152 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12153 fclose(lastLoadGameFP);
12157 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12160 fseek(f, lg->offset, 0);
12161 GameListHighlight(gameNumber);
12162 pos = lg->position;
12166 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12167 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12169 DisplayError(_("Game number out of range"), 0);
12174 if (fseek(f, 0, 0) == -1) {
12175 if (f == lastLoadGameFP ?
12176 gameNumber == lastLoadGameNumber + 1 :
12180 DisplayError(_("Can't seek on game file"), 0);
12185 lastLoadGameFP = f;
12186 lastLoadGameNumber = gameNumber;
12187 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12188 lastLoadGameUseList = useList;
12192 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12193 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12194 lg->gameInfo.black);
12196 } else if (*title != NULLCHAR) {
12197 if (gameNumber > 1) {
12198 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12201 DisplayTitle(title);
12205 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12206 gameMode = PlayFromGameFile;
12210 currentMove = forwardMostMove = backwardMostMove = 0;
12211 CopyBoard(boards[0], initialPosition);
12215 * Skip the first gn-1 games in the file.
12216 * Also skip over anything that precedes an identifiable
12217 * start of game marker, to avoid being confused by
12218 * garbage at the start of the file. Currently
12219 * recognized start of game markers are the move number "1",
12220 * the pattern "gnuchess .* game", the pattern
12221 * "^[#;%] [^ ]* game file", and a PGN tag block.
12222 * A game that starts with one of the latter two patterns
12223 * will also have a move number 1, possibly
12224 * following a position diagram.
12225 * 5-4-02: Let's try being more lenient and allowing a game to
12226 * start with an unnumbered move. Does that break anything?
12228 cm = lastLoadGameStart = EndOfFile;
12230 yyboardindex = forwardMostMove;
12231 cm = (ChessMove) Myylex();
12234 if (cmailMsgLoaded) {
12235 nCmailGames = CMAIL_MAX_GAMES - gn;
12238 DisplayError(_("Game not found in file"), 0);
12245 lastLoadGameStart = cm;
12248 case MoveNumberOne:
12249 switch (lastLoadGameStart) {
12254 case MoveNumberOne:
12256 gn--; /* count this game */
12257 lastLoadGameStart = cm;
12266 switch (lastLoadGameStart) {
12269 case MoveNumberOne:
12271 gn--; /* count this game */
12272 lastLoadGameStart = cm;
12275 lastLoadGameStart = cm; /* game counted already */
12283 yyboardindex = forwardMostMove;
12284 cm = (ChessMove) Myylex();
12285 } while (cm == PGNTag || cm == Comment);
12292 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12293 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12294 != CMAIL_OLD_RESULT) {
12296 cmailResult[ CMAIL_MAX_GAMES
12297 - gn - 1] = CMAIL_OLD_RESULT;
12303 /* Only a NormalMove can be at the start of a game
12304 * without a position diagram. */
12305 if (lastLoadGameStart == EndOfFile ) {
12307 lastLoadGameStart = MoveNumberOne;
12316 if (appData.debugMode)
12317 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12319 if (cm == XBoardGame) {
12320 /* Skip any header junk before position diagram and/or move 1 */
12322 yyboardindex = forwardMostMove;
12323 cm = (ChessMove) Myylex();
12325 if (cm == EndOfFile ||
12326 cm == GNUChessGame || cm == XBoardGame) {
12327 /* Empty game; pretend end-of-file and handle later */
12332 if (cm == MoveNumberOne || cm == PositionDiagram ||
12333 cm == PGNTag || cm == Comment)
12336 } else if (cm == GNUChessGame) {
12337 if (gameInfo.event != NULL) {
12338 free(gameInfo.event);
12340 gameInfo.event = StrSave(yy_text);
12343 startedFromSetupPosition = FALSE;
12344 while (cm == PGNTag) {
12345 if (appData.debugMode)
12346 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12347 err = ParsePGNTag(yy_text, &gameInfo);
12348 if (!err) numPGNTags++;
12350 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12351 if(gameInfo.variant != oldVariant) {
12352 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12353 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12354 InitPosition(TRUE);
12355 oldVariant = gameInfo.variant;
12356 if (appData.debugMode)
12357 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12361 if (gameInfo.fen != NULL) {
12362 Board initial_position;
12363 startedFromSetupPosition = TRUE;
12364 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12366 DisplayError(_("Bad FEN position in file"), 0);
12369 CopyBoard(boards[0], initial_position);
12370 if (blackPlaysFirst) {
12371 currentMove = forwardMostMove = backwardMostMove = 1;
12372 CopyBoard(boards[1], initial_position);
12373 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12374 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12375 timeRemaining[0][1] = whiteTimeRemaining;
12376 timeRemaining[1][1] = blackTimeRemaining;
12377 if (commentList[0] != NULL) {
12378 commentList[1] = commentList[0];
12379 commentList[0] = NULL;
12382 currentMove = forwardMostMove = backwardMostMove = 0;
12384 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12386 initialRulePlies = FENrulePlies;
12387 for( i=0; i< nrCastlingRights; i++ )
12388 initialRights[i] = initial_position[CASTLING][i];
12390 yyboardindex = forwardMostMove;
12391 free(gameInfo.fen);
12392 gameInfo.fen = NULL;
12395 yyboardindex = forwardMostMove;
12396 cm = (ChessMove) Myylex();
12398 /* Handle comments interspersed among the tags */
12399 while (cm == Comment) {
12401 if (appData.debugMode)
12402 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12404 AppendComment(currentMove, p, FALSE);
12405 yyboardindex = forwardMostMove;
12406 cm = (ChessMove) Myylex();
12410 /* don't rely on existence of Event tag since if game was
12411 * pasted from clipboard the Event tag may not exist
12413 if (numPGNTags > 0){
12415 if (gameInfo.variant == VariantNormal) {
12416 VariantClass v = StringToVariant(gameInfo.event);
12417 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12418 if(v < VariantShogi) gameInfo.variant = v;
12421 if( appData.autoDisplayTags ) {
12422 tags = PGNTags(&gameInfo);
12423 TagsPopUp(tags, CmailMsg());
12428 /* Make something up, but don't display it now */
12433 if (cm == PositionDiagram) {
12436 Board initial_position;
12438 if (appData.debugMode)
12439 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12441 if (!startedFromSetupPosition) {
12443 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12444 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12455 initial_position[i][j++] = CharToPiece(*p);
12458 while (*p == ' ' || *p == '\t' ||
12459 *p == '\n' || *p == '\r') p++;
12461 if (strncmp(p, "black", strlen("black"))==0)
12462 blackPlaysFirst = TRUE;
12464 blackPlaysFirst = FALSE;
12465 startedFromSetupPosition = TRUE;
12467 CopyBoard(boards[0], initial_position);
12468 if (blackPlaysFirst) {
12469 currentMove = forwardMostMove = backwardMostMove = 1;
12470 CopyBoard(boards[1], initial_position);
12471 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12472 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12473 timeRemaining[0][1] = whiteTimeRemaining;
12474 timeRemaining[1][1] = blackTimeRemaining;
12475 if (commentList[0] != NULL) {
12476 commentList[1] = commentList[0];
12477 commentList[0] = NULL;
12480 currentMove = forwardMostMove = backwardMostMove = 0;
12483 yyboardindex = forwardMostMove;
12484 cm = (ChessMove) Myylex();
12487 if(!creatingBook) {
12488 if (first.pr == NoProc) {
12489 StartChessProgram(&first);
12491 InitChessProgram(&first, FALSE);
12492 SendToProgram("force\n", &first);
12493 if (startedFromSetupPosition) {
12494 SendBoard(&first, forwardMostMove);
12495 if (appData.debugMode) {
12496 fprintf(debugFP, "Load Game\n");
12498 DisplayBothClocks();
12502 /* [HGM] server: flag to write setup moves in broadcast file as one */
12503 loadFlag = appData.suppressLoadMoves;
12505 while (cm == Comment) {
12507 if (appData.debugMode)
12508 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12510 AppendComment(currentMove, p, FALSE);
12511 yyboardindex = forwardMostMove;
12512 cm = (ChessMove) Myylex();
12515 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12516 cm == WhiteWins || cm == BlackWins ||
12517 cm == GameIsDrawn || cm == GameUnfinished) {
12518 DisplayMessage("", _("No moves in game"));
12519 if (cmailMsgLoaded) {
12520 if (appData.debugMode)
12521 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12525 DrawPosition(FALSE, boards[currentMove]);
12526 DisplayBothClocks();
12527 gameMode = EditGame;
12534 // [HGM] PV info: routine tests if comment empty
12535 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12536 DisplayComment(currentMove - 1, commentList[currentMove]);
12538 if (!matchMode && appData.timeDelay != 0)
12539 DrawPosition(FALSE, boards[currentMove]);
12541 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12542 programStats.ok_to_send = 1;
12545 /* if the first token after the PGN tags is a move
12546 * and not move number 1, retrieve it from the parser
12548 if (cm != MoveNumberOne)
12549 LoadGameOneMove(cm);
12551 /* load the remaining moves from the file */
12552 while (LoadGameOneMove(EndOfFile)) {
12553 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12554 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12557 /* rewind to the start of the game */
12558 currentMove = backwardMostMove;
12560 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12562 if (oldGameMode == AnalyzeFile) {
12563 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12564 AnalyzeFileEvent();
12566 if (oldGameMode == AnalyzeMode) {
12567 AnalyzeFileEvent();
12570 if(creatingBook) return TRUE;
12571 if (!matchMode && pos > 0) {
12572 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12574 if (matchMode || appData.timeDelay == 0) {
12576 } else if (appData.timeDelay > 0) {
12577 AutoPlayGameLoop();
12580 if (appData.debugMode)
12581 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12583 loadFlag = 0; /* [HGM] true game starts */
12587 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12589 ReloadPosition (int offset)
12591 int positionNumber = lastLoadPositionNumber + offset;
12592 if (lastLoadPositionFP == NULL) {
12593 DisplayError(_("No position has been loaded yet"), 0);
12596 if (positionNumber <= 0) {
12597 DisplayError(_("Can't back up any further"), 0);
12600 return LoadPosition(lastLoadPositionFP, positionNumber,
12601 lastLoadPositionTitle);
12604 /* Load the nth position from the given file */
12606 LoadPositionFromFile (char *filename, int n, char *title)
12611 if (strcmp(filename, "-") == 0) {
12612 return LoadPosition(stdin, n, "stdin");
12614 f = fopen(filename, "rb");
12616 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12617 DisplayError(buf, errno);
12620 return LoadPosition(f, n, title);
12625 /* Load the nth position from the given open file, and close it */
12627 LoadPosition (FILE *f, int positionNumber, char *title)
12629 char *p, line[MSG_SIZ];
12630 Board initial_position;
12631 int i, j, fenMode, pn;
12633 if (gameMode == Training )
12634 SetTrainingModeOff();
12636 if (gameMode != BeginningOfGame) {
12637 Reset(FALSE, TRUE);
12639 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12640 fclose(lastLoadPositionFP);
12642 if (positionNumber == 0) positionNumber = 1;
12643 lastLoadPositionFP = f;
12644 lastLoadPositionNumber = positionNumber;
12645 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12646 if (first.pr == NoProc && !appData.noChessProgram) {
12647 StartChessProgram(&first);
12648 InitChessProgram(&first, FALSE);
12650 pn = positionNumber;
12651 if (positionNumber < 0) {
12652 /* Negative position number means to seek to that byte offset */
12653 if (fseek(f, -positionNumber, 0) == -1) {
12654 DisplayError(_("Can't seek on position file"), 0);
12659 if (fseek(f, 0, 0) == -1) {
12660 if (f == lastLoadPositionFP ?
12661 positionNumber == lastLoadPositionNumber + 1 :
12662 positionNumber == 1) {
12665 DisplayError(_("Can't seek on position file"), 0);
12670 /* See if this file is FEN or old-style xboard */
12671 if (fgets(line, MSG_SIZ, f) == NULL) {
12672 DisplayError(_("Position not found in file"), 0);
12675 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12676 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12679 if (fenMode || line[0] == '#') pn--;
12681 /* skip positions before number pn */
12682 if (fgets(line, MSG_SIZ, f) == NULL) {
12684 DisplayError(_("Position not found in file"), 0);
12687 if (fenMode || line[0] == '#') pn--;
12692 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12693 DisplayError(_("Bad FEN position in file"), 0);
12697 (void) fgets(line, MSG_SIZ, f);
12698 (void) fgets(line, MSG_SIZ, f);
12700 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12701 (void) fgets(line, MSG_SIZ, f);
12702 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12705 initial_position[i][j++] = CharToPiece(*p);
12709 blackPlaysFirst = FALSE;
12711 (void) fgets(line, MSG_SIZ, f);
12712 if (strncmp(line, "black", strlen("black"))==0)
12713 blackPlaysFirst = TRUE;
12716 startedFromSetupPosition = TRUE;
12718 CopyBoard(boards[0], initial_position);
12719 if (blackPlaysFirst) {
12720 currentMove = forwardMostMove = backwardMostMove = 1;
12721 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12722 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12723 CopyBoard(boards[1], initial_position);
12724 DisplayMessage("", _("Black to play"));
12726 currentMove = forwardMostMove = backwardMostMove = 0;
12727 DisplayMessage("", _("White to play"));
12729 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12730 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12731 SendToProgram("force\n", &first);
12732 SendBoard(&first, forwardMostMove);
12734 if (appData.debugMode) {
12736 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12737 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12738 fprintf(debugFP, "Load Position\n");
12741 if (positionNumber > 1) {
12742 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12743 DisplayTitle(line);
12745 DisplayTitle(title);
12747 gameMode = EditGame;
12750 timeRemaining[0][1] = whiteTimeRemaining;
12751 timeRemaining[1][1] = blackTimeRemaining;
12752 DrawPosition(FALSE, boards[currentMove]);
12759 CopyPlayerNameIntoFileName (char **dest, char *src)
12761 while (*src != NULLCHAR && *src != ',') {
12766 *(*dest)++ = *src++;
12772 DefaultFileName (char *ext)
12774 static char def[MSG_SIZ];
12777 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12779 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12781 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12783 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12790 /* Save the current game to the given file */
12792 SaveGameToFile (char *filename, int append)
12796 int result, i, t,tot=0;
12798 if (strcmp(filename, "-") == 0) {
12799 return SaveGame(stdout, 0, NULL);
12801 for(i=0; i<10; i++) { // upto 10 tries
12802 f = fopen(filename, append ? "a" : "w");
12803 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12804 if(f || errno != 13) break;
12805 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12809 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12810 DisplayError(buf, errno);
12813 safeStrCpy(buf, lastMsg, MSG_SIZ);
12814 DisplayMessage(_("Waiting for access to save file"), "");
12815 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12816 DisplayMessage(_("Saving game"), "");
12817 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12818 result = SaveGame(f, 0, NULL);
12819 DisplayMessage(buf, "");
12826 SavePart (char *str)
12828 static char buf[MSG_SIZ];
12831 p = strchr(str, ' ');
12832 if (p == NULL) return str;
12833 strncpy(buf, str, p - str);
12834 buf[p - str] = NULLCHAR;
12838 #define PGN_MAX_LINE 75
12840 #define PGN_SIDE_WHITE 0
12841 #define PGN_SIDE_BLACK 1
12844 FindFirstMoveOutOfBook (int side)
12848 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12849 int index = backwardMostMove;
12850 int has_book_hit = 0;
12852 if( (index % 2) != side ) {
12856 while( index < forwardMostMove ) {
12857 /* Check to see if engine is in book */
12858 int depth = pvInfoList[index].depth;
12859 int score = pvInfoList[index].score;
12865 else if( score == 0 && depth == 63 ) {
12866 in_book = 1; /* Zappa */
12868 else if( score == 2 && depth == 99 ) {
12869 in_book = 1; /* Abrok */
12872 has_book_hit += in_book;
12888 GetOutOfBookInfo (char * buf)
12892 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12894 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12895 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12899 if( oob[0] >= 0 || oob[1] >= 0 ) {
12900 for( i=0; i<2; i++ ) {
12904 if( i > 0 && oob[0] >= 0 ) {
12905 strcat( buf, " " );
12908 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12909 sprintf( buf+strlen(buf), "%s%.2f",
12910 pvInfoList[idx].score >= 0 ? "+" : "",
12911 pvInfoList[idx].score / 100.0 );
12917 /* Save game in PGN style and close the file */
12919 SaveGamePGN (FILE *f)
12921 int i, offset, linelen, newblock;
12924 int movelen, numlen, blank;
12925 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12927 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12929 PrintPGNTags(f, &gameInfo);
12931 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12933 if (backwardMostMove > 0 || startedFromSetupPosition) {
12934 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12935 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12936 fprintf(f, "\n{--------------\n");
12937 PrintPosition(f, backwardMostMove);
12938 fprintf(f, "--------------}\n");
12942 /* [AS] Out of book annotation */
12943 if( appData.saveOutOfBookInfo ) {
12946 GetOutOfBookInfo( buf );
12948 if( buf[0] != '\0' ) {
12949 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12956 i = backwardMostMove;
12960 while (i < forwardMostMove) {
12961 /* Print comments preceding this move */
12962 if (commentList[i] != NULL) {
12963 if (linelen > 0) fprintf(f, "\n");
12964 fprintf(f, "%s", commentList[i]);
12969 /* Format move number */
12971 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12974 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12976 numtext[0] = NULLCHAR;
12978 numlen = strlen(numtext);
12981 /* Print move number */
12982 blank = linelen > 0 && numlen > 0;
12983 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12992 fprintf(f, "%s", numtext);
12996 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12997 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13000 blank = linelen > 0 && movelen > 0;
13001 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13010 fprintf(f, "%s", move_buffer);
13011 linelen += movelen;
13013 /* [AS] Add PV info if present */
13014 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13015 /* [HGM] add time */
13016 char buf[MSG_SIZ]; int seconds;
13018 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13024 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13027 seconds = (seconds + 4)/10; // round to full seconds
13029 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13031 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13034 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13035 pvInfoList[i].score >= 0 ? "+" : "",
13036 pvInfoList[i].score / 100.0,
13037 pvInfoList[i].depth,
13040 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13042 /* Print score/depth */
13043 blank = linelen > 0 && movelen > 0;
13044 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13053 fprintf(f, "%s", move_buffer);
13054 linelen += movelen;
13060 /* Start a new line */
13061 if (linelen > 0) fprintf(f, "\n");
13063 /* Print comments after last move */
13064 if (commentList[i] != NULL) {
13065 fprintf(f, "%s\n", commentList[i]);
13069 if (gameInfo.resultDetails != NULL &&
13070 gameInfo.resultDetails[0] != NULLCHAR) {
13071 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
13072 PGNResult(gameInfo.result));
13074 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13078 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13082 /* Save game in old style and close the file */
13084 SaveGameOldStyle (FILE *f)
13089 tm = time((time_t *) NULL);
13091 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13094 if (backwardMostMove > 0 || startedFromSetupPosition) {
13095 fprintf(f, "\n[--------------\n");
13096 PrintPosition(f, backwardMostMove);
13097 fprintf(f, "--------------]\n");
13102 i = backwardMostMove;
13103 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13105 while (i < forwardMostMove) {
13106 if (commentList[i] != NULL) {
13107 fprintf(f, "[%s]\n", commentList[i]);
13110 if ((i % 2) == 1) {
13111 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13114 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13116 if (commentList[i] != NULL) {
13120 if (i >= forwardMostMove) {
13124 fprintf(f, "%s\n", parseList[i]);
13129 if (commentList[i] != NULL) {
13130 fprintf(f, "[%s]\n", commentList[i]);
13133 /* This isn't really the old style, but it's close enough */
13134 if (gameInfo.resultDetails != NULL &&
13135 gameInfo.resultDetails[0] != NULLCHAR) {
13136 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13137 gameInfo.resultDetails);
13139 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13146 /* Save the current game to open file f and close the file */
13148 SaveGame (FILE *f, int dummy, char *dummy2)
13150 if (gameMode == EditPosition) EditPositionDone(TRUE);
13151 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13152 if (appData.oldSaveStyle)
13153 return SaveGameOldStyle(f);
13155 return SaveGamePGN(f);
13158 /* Save the current position to the given file */
13160 SavePositionToFile (char *filename)
13165 if (strcmp(filename, "-") == 0) {
13166 return SavePosition(stdout, 0, NULL);
13168 f = fopen(filename, "a");
13170 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13171 DisplayError(buf, errno);
13174 safeStrCpy(buf, lastMsg, MSG_SIZ);
13175 DisplayMessage(_("Waiting for access to save file"), "");
13176 flock(fileno(f), LOCK_EX); // [HGM] lock
13177 DisplayMessage(_("Saving position"), "");
13178 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13179 SavePosition(f, 0, NULL);
13180 DisplayMessage(buf, "");
13186 /* Save the current position to the given open file and close the file */
13188 SavePosition (FILE *f, int dummy, char *dummy2)
13193 if (gameMode == EditPosition) EditPositionDone(TRUE);
13194 if (appData.oldSaveStyle) {
13195 tm = time((time_t *) NULL);
13197 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13199 fprintf(f, "[--------------\n");
13200 PrintPosition(f, currentMove);
13201 fprintf(f, "--------------]\n");
13203 fen = PositionToFEN(currentMove, NULL, 1);
13204 fprintf(f, "%s\n", fen);
13212 ReloadCmailMsgEvent (int unregister)
13215 static char *inFilename = NULL;
13216 static char *outFilename;
13218 struct stat inbuf, outbuf;
13221 /* Any registered moves are unregistered if unregister is set, */
13222 /* i.e. invoked by the signal handler */
13224 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13225 cmailMoveRegistered[i] = FALSE;
13226 if (cmailCommentList[i] != NULL) {
13227 free(cmailCommentList[i]);
13228 cmailCommentList[i] = NULL;
13231 nCmailMovesRegistered = 0;
13234 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13235 cmailResult[i] = CMAIL_NOT_RESULT;
13239 if (inFilename == NULL) {
13240 /* Because the filenames are static they only get malloced once */
13241 /* and they never get freed */
13242 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13243 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13245 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13246 sprintf(outFilename, "%s.out", appData.cmailGameName);
13249 status = stat(outFilename, &outbuf);
13251 cmailMailedMove = FALSE;
13253 status = stat(inFilename, &inbuf);
13254 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13257 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13258 counts the games, notes how each one terminated, etc.
13260 It would be nice to remove this kludge and instead gather all
13261 the information while building the game list. (And to keep it
13262 in the game list nodes instead of having a bunch of fixed-size
13263 parallel arrays.) Note this will require getting each game's
13264 termination from the PGN tags, as the game list builder does
13265 not process the game moves. --mann
13267 cmailMsgLoaded = TRUE;
13268 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13270 /* Load first game in the file or popup game menu */
13271 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13273 #endif /* !WIN32 */
13281 char string[MSG_SIZ];
13283 if ( cmailMailedMove
13284 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13285 return TRUE; /* Allow free viewing */
13288 /* Unregister move to ensure that we don't leave RegisterMove */
13289 /* with the move registered when the conditions for registering no */
13291 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13292 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13293 nCmailMovesRegistered --;
13295 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13297 free(cmailCommentList[lastLoadGameNumber - 1]);
13298 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13302 if (cmailOldMove == -1) {
13303 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13307 if (currentMove > cmailOldMove + 1) {
13308 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13312 if (currentMove < cmailOldMove) {
13313 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13317 if (forwardMostMove > currentMove) {
13318 /* Silently truncate extra moves */
13322 if ( (currentMove == cmailOldMove + 1)
13323 || ( (currentMove == cmailOldMove)
13324 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13325 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13326 if (gameInfo.result != GameUnfinished) {
13327 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13330 if (commentList[currentMove] != NULL) {
13331 cmailCommentList[lastLoadGameNumber - 1]
13332 = StrSave(commentList[currentMove]);
13334 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13336 if (appData.debugMode)
13337 fprintf(debugFP, "Saving %s for game %d\n",
13338 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13340 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13342 f = fopen(string, "w");
13343 if (appData.oldSaveStyle) {
13344 SaveGameOldStyle(f); /* also closes the file */
13346 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13347 f = fopen(string, "w");
13348 SavePosition(f, 0, NULL); /* also closes the file */
13350 fprintf(f, "{--------------\n");
13351 PrintPosition(f, currentMove);
13352 fprintf(f, "--------------}\n\n");
13354 SaveGame(f, 0, NULL); /* also closes the file*/
13357 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13358 nCmailMovesRegistered ++;
13359 } else if (nCmailGames == 1) {
13360 DisplayError(_("You have not made a move yet"), 0);
13371 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13372 FILE *commandOutput;
13373 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13374 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13380 if (! cmailMsgLoaded) {
13381 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13385 if (nCmailGames == nCmailResults) {
13386 DisplayError(_("No unfinished games"), 0);
13390 #if CMAIL_PROHIBIT_REMAIL
13391 if (cmailMailedMove) {
13392 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);
13393 DisplayError(msg, 0);
13398 if (! (cmailMailedMove || RegisterMove())) return;
13400 if ( cmailMailedMove
13401 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13402 snprintf(string, MSG_SIZ, partCommandString,
13403 appData.debugMode ? " -v" : "", appData.cmailGameName);
13404 commandOutput = popen(string, "r");
13406 if (commandOutput == NULL) {
13407 DisplayError(_("Failed to invoke cmail"), 0);
13409 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13410 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13412 if (nBuffers > 1) {
13413 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13414 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13415 nBytes = MSG_SIZ - 1;
13417 (void) memcpy(msg, buffer, nBytes);
13419 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13421 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13422 cmailMailedMove = TRUE; /* Prevent >1 moves */
13425 for (i = 0; i < nCmailGames; i ++) {
13426 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13431 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13433 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13435 appData.cmailGameName,
13437 LoadGameFromFile(buffer, 1, buffer, FALSE);
13438 cmailMsgLoaded = FALSE;
13442 DisplayInformation(msg);
13443 pclose(commandOutput);
13446 if ((*cmailMsg) != '\0') {
13447 DisplayInformation(cmailMsg);
13452 #endif /* !WIN32 */
13461 int prependComma = 0;
13463 char string[MSG_SIZ]; /* Space for game-list */
13466 if (!cmailMsgLoaded) return "";
13468 if (cmailMailedMove) {
13469 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13471 /* Create a list of games left */
13472 snprintf(string, MSG_SIZ, "[");
13473 for (i = 0; i < nCmailGames; i ++) {
13474 if (! ( cmailMoveRegistered[i]
13475 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13476 if (prependComma) {
13477 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13479 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13483 strcat(string, number);
13486 strcat(string, "]");
13488 if (nCmailMovesRegistered + nCmailResults == 0) {
13489 switch (nCmailGames) {
13491 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13495 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13499 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13504 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13506 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13511 if (nCmailResults == nCmailGames) {
13512 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13514 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13519 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13531 if (gameMode == Training)
13532 SetTrainingModeOff();
13535 cmailMsgLoaded = FALSE;
13536 if (appData.icsActive) {
13537 SendToICS(ics_prefix);
13538 SendToICS("refresh\n");
13543 ExitEvent (int status)
13547 /* Give up on clean exit */
13551 /* Keep trying for clean exit */
13555 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13557 if (telnetISR != NULL) {
13558 RemoveInputSource(telnetISR);
13560 if (icsPR != NoProc) {
13561 DestroyChildProcess(icsPR, TRUE);
13564 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13565 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13567 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13568 /* make sure this other one finishes before killing it! */
13569 if(endingGame) { int count = 0;
13570 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13571 while(endingGame && count++ < 10) DoSleep(1);
13572 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13575 /* Kill off chess programs */
13576 if (first.pr != NoProc) {
13579 DoSleep( appData.delayBeforeQuit );
13580 SendToProgram("quit\n", &first);
13581 DoSleep( appData.delayAfterQuit );
13582 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13584 if (second.pr != NoProc) {
13585 DoSleep( appData.delayBeforeQuit );
13586 SendToProgram("quit\n", &second);
13587 DoSleep( appData.delayAfterQuit );
13588 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13590 if (first.isr != NULL) {
13591 RemoveInputSource(first.isr);
13593 if (second.isr != NULL) {
13594 RemoveInputSource(second.isr);
13597 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13598 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13600 ShutDownFrontEnd();
13605 PauseEngine (ChessProgramState *cps)
13607 SendToProgram("pause\n", cps);
13612 UnPauseEngine (ChessProgramState *cps)
13614 SendToProgram("resume\n", cps);
13621 if (appData.debugMode)
13622 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13626 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13628 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13629 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13630 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13632 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13633 HandleMachineMove(stashedInputMove, stalledEngine);
13634 stalledEngine = NULL;
13637 if (gameMode == MachinePlaysWhite ||
13638 gameMode == TwoMachinesPlay ||
13639 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13640 if(first.pause) UnPauseEngine(&first);
13641 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13642 if(second.pause) UnPauseEngine(&second);
13643 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13646 DisplayBothClocks();
13648 if (gameMode == PlayFromGameFile) {
13649 if (appData.timeDelay >= 0)
13650 AutoPlayGameLoop();
13651 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13652 Reset(FALSE, TRUE);
13653 SendToICS(ics_prefix);
13654 SendToICS("refresh\n");
13655 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13656 ForwardInner(forwardMostMove);
13658 pauseExamInvalid = FALSE;
13660 switch (gameMode) {
13664 pauseExamForwardMostMove = forwardMostMove;
13665 pauseExamInvalid = FALSE;
13668 case IcsPlayingWhite:
13669 case IcsPlayingBlack:
13673 case PlayFromGameFile:
13674 (void) StopLoadGameTimer();
13678 case BeginningOfGame:
13679 if (appData.icsActive) return;
13680 /* else fall through */
13681 case MachinePlaysWhite:
13682 case MachinePlaysBlack:
13683 case TwoMachinesPlay:
13684 if (forwardMostMove == 0)
13685 return; /* don't pause if no one has moved */
13686 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13687 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13688 if(onMove->pause) { // thinking engine can be paused
13689 PauseEngine(onMove); // do it
13690 if(onMove->other->pause) // pondering opponent can always be paused immediately
13691 PauseEngine(onMove->other);
13693 SendToProgram("easy\n", onMove->other);
13695 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13696 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13698 PauseEngine(&first);
13700 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13701 } else { // human on move, pause pondering by either method
13703 PauseEngine(&first);
13704 else if(appData.ponderNextMove)
13705 SendToProgram("easy\n", &first);
13708 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13718 EditCommentEvent ()
13720 char title[MSG_SIZ];
13722 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13723 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13725 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13726 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13727 parseList[currentMove - 1]);
13730 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13737 char *tags = PGNTags(&gameInfo);
13739 EditTagsPopUp(tags, NULL);
13746 if(second.analyzing) {
13747 SendToProgram("exit\n", &second);
13748 second.analyzing = FALSE;
13750 if (second.pr == NoProc) StartChessProgram(&second);
13751 InitChessProgram(&second, FALSE);
13752 FeedMovesToProgram(&second, currentMove);
13754 SendToProgram("analyze\n", &second);
13755 second.analyzing = TRUE;
13759 /* Toggle ShowThinking */
13761 ToggleShowThinking()
13763 appData.showThinking = !appData.showThinking;
13764 ShowThinkingEvent();
13768 AnalyzeModeEvent ()
13772 if (!first.analysisSupport) {
13773 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13774 DisplayError(buf, 0);
13777 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13778 if (appData.icsActive) {
13779 if (gameMode != IcsObserving) {
13780 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13781 DisplayError(buf, 0);
13783 if (appData.icsEngineAnalyze) {
13784 if (appData.debugMode)
13785 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13791 /* if enable, user wants to disable icsEngineAnalyze */
13792 if (appData.icsEngineAnalyze) {
13797 appData.icsEngineAnalyze = TRUE;
13798 if (appData.debugMode)
13799 fprintf(debugFP, "ICS engine analyze starting... \n");
13802 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13803 if (appData.noChessProgram || gameMode == AnalyzeMode)
13806 if (gameMode != AnalyzeFile) {
13807 if (!appData.icsEngineAnalyze) {
13809 if (gameMode != EditGame) return 0;
13811 if (!appData.showThinking) ToggleShowThinking();
13812 ResurrectChessProgram();
13813 SendToProgram("analyze\n", &first);
13814 first.analyzing = TRUE;
13815 /*first.maybeThinking = TRUE;*/
13816 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13817 EngineOutputPopUp();
13819 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13824 StartAnalysisClock();
13825 GetTimeMark(&lastNodeCountTime);
13831 AnalyzeFileEvent ()
13833 if (appData.noChessProgram || gameMode == AnalyzeFile)
13836 if (!first.analysisSupport) {
13838 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13839 DisplayError(buf, 0);
13843 if (gameMode != AnalyzeMode) {
13844 keepInfo = 1; // mere annotating should not alter PGN tags
13847 if (gameMode != EditGame) return;
13848 if (!appData.showThinking) ToggleShowThinking();
13849 ResurrectChessProgram();
13850 SendToProgram("analyze\n", &first);
13851 first.analyzing = TRUE;
13852 /*first.maybeThinking = TRUE;*/
13853 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13854 EngineOutputPopUp();
13856 gameMode = AnalyzeFile;
13860 StartAnalysisClock();
13861 GetTimeMark(&lastNodeCountTime);
13863 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13864 AnalysisPeriodicEvent(1);
13868 MachineWhiteEvent ()
13871 char *bookHit = NULL;
13873 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13877 if (gameMode == PlayFromGameFile ||
13878 gameMode == TwoMachinesPlay ||
13879 gameMode == Training ||
13880 gameMode == AnalyzeMode ||
13881 gameMode == EndOfGame)
13884 if (gameMode == EditPosition)
13885 EditPositionDone(TRUE);
13887 if (!WhiteOnMove(currentMove)) {
13888 DisplayError(_("It is not White's turn"), 0);
13892 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13895 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13896 gameMode == AnalyzeFile)
13899 ResurrectChessProgram(); /* in case it isn't running */
13900 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13901 gameMode = MachinePlaysWhite;
13904 gameMode = MachinePlaysWhite;
13908 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13910 if (first.sendName) {
13911 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13912 SendToProgram(buf, &first);
13914 if (first.sendTime) {
13915 if (first.useColors) {
13916 SendToProgram("black\n", &first); /*gnu kludge*/
13918 SendTimeRemaining(&first, TRUE);
13920 if (first.useColors) {
13921 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13923 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13924 SetMachineThinkingEnables();
13925 first.maybeThinking = TRUE;
13929 if (appData.autoFlipView && !flipView) {
13930 flipView = !flipView;
13931 DrawPosition(FALSE, NULL);
13932 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13935 if(bookHit) { // [HGM] book: simulate book reply
13936 static char bookMove[MSG_SIZ]; // a bit generous?
13938 programStats.nodes = programStats.depth = programStats.time =
13939 programStats.score = programStats.got_only_move = 0;
13940 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13942 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13943 strcat(bookMove, bookHit);
13944 HandleMachineMove(bookMove, &first);
13949 MachineBlackEvent ()
13952 char *bookHit = NULL;
13954 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13958 if (gameMode == PlayFromGameFile ||
13959 gameMode == TwoMachinesPlay ||
13960 gameMode == Training ||
13961 gameMode == AnalyzeMode ||
13962 gameMode == EndOfGame)
13965 if (gameMode == EditPosition)
13966 EditPositionDone(TRUE);
13968 if (WhiteOnMove(currentMove)) {
13969 DisplayError(_("It is not Black's turn"), 0);
13973 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13976 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13977 gameMode == AnalyzeFile)
13980 ResurrectChessProgram(); /* in case it isn't running */
13981 gameMode = MachinePlaysBlack;
13985 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13987 if (first.sendName) {
13988 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13989 SendToProgram(buf, &first);
13991 if (first.sendTime) {
13992 if (first.useColors) {
13993 SendToProgram("white\n", &first); /*gnu kludge*/
13995 SendTimeRemaining(&first, FALSE);
13997 if (first.useColors) {
13998 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14000 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14001 SetMachineThinkingEnables();
14002 first.maybeThinking = TRUE;
14005 if (appData.autoFlipView && flipView) {
14006 flipView = !flipView;
14007 DrawPosition(FALSE, NULL);
14008 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14010 if(bookHit) { // [HGM] book: simulate book reply
14011 static char bookMove[MSG_SIZ]; // a bit generous?
14013 programStats.nodes = programStats.depth = programStats.time =
14014 programStats.score = programStats.got_only_move = 0;
14015 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14017 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14018 strcat(bookMove, bookHit);
14019 HandleMachineMove(bookMove, &first);
14025 DisplayTwoMachinesTitle ()
14028 if (appData.matchGames > 0) {
14029 if(appData.tourneyFile[0]) {
14030 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14031 gameInfo.white, _("vs."), gameInfo.black,
14032 nextGame+1, appData.matchGames+1,
14033 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14035 if (first.twoMachinesColor[0] == 'w') {
14036 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14037 gameInfo.white, _("vs."), gameInfo.black,
14038 first.matchWins, second.matchWins,
14039 matchGame - 1 - (first.matchWins + second.matchWins));
14041 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14042 gameInfo.white, _("vs."), gameInfo.black,
14043 second.matchWins, first.matchWins,
14044 matchGame - 1 - (first.matchWins + second.matchWins));
14047 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14053 SettingsMenuIfReady ()
14055 if (second.lastPing != second.lastPong) {
14056 DisplayMessage("", _("Waiting for second chess program"));
14057 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14061 DisplayMessage("", "");
14062 SettingsPopUp(&second);
14066 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14069 if (cps->pr == NoProc) {
14070 StartChessProgram(cps);
14071 if (cps->protocolVersion == 1) {
14073 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14075 /* kludge: allow timeout for initial "feature" command */
14076 if(retry != TwoMachinesEventIfReady) FreezeUI();
14077 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14078 DisplayMessage("", buf);
14079 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14087 TwoMachinesEvent P((void))
14091 ChessProgramState *onmove;
14092 char *bookHit = NULL;
14093 static int stalling = 0;
14097 if (appData.noChessProgram) return;
14099 switch (gameMode) {
14100 case TwoMachinesPlay:
14102 case MachinePlaysWhite:
14103 case MachinePlaysBlack:
14104 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14105 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14109 case BeginningOfGame:
14110 case PlayFromGameFile:
14113 if (gameMode != EditGame) return;
14116 EditPositionDone(TRUE);
14127 // forwardMostMove = currentMove;
14128 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14129 startingEngine = TRUE;
14131 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14133 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14134 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14135 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14138 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14140 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14141 startingEngine = FALSE;
14142 DisplayError("second engine does not play this", 0);
14147 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14148 SendToProgram("force\n", &second);
14150 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14153 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14154 if(appData.matchPause>10000 || appData.matchPause<10)
14155 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14156 wait = SubtractTimeMarks(&now, &pauseStart);
14157 if(wait < appData.matchPause) {
14158 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14161 // we are now committed to starting the game
14163 DisplayMessage("", "");
14164 if (startedFromSetupPosition) {
14165 SendBoard(&second, backwardMostMove);
14166 if (appData.debugMode) {
14167 fprintf(debugFP, "Two Machines\n");
14170 for (i = backwardMostMove; i < forwardMostMove; i++) {
14171 SendMoveToProgram(i, &second);
14174 gameMode = TwoMachinesPlay;
14175 pausing = startingEngine = FALSE;
14176 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14178 DisplayTwoMachinesTitle();
14180 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14185 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14186 SendToProgram(first.computerString, &first);
14187 if (first.sendName) {
14188 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14189 SendToProgram(buf, &first);
14191 SendToProgram(second.computerString, &second);
14192 if (second.sendName) {
14193 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14194 SendToProgram(buf, &second);
14198 if (!first.sendTime || !second.sendTime) {
14199 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14200 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14202 if (onmove->sendTime) {
14203 if (onmove->useColors) {
14204 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14206 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14208 if (onmove->useColors) {
14209 SendToProgram(onmove->twoMachinesColor, onmove);
14211 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14212 // SendToProgram("go\n", onmove);
14213 onmove->maybeThinking = TRUE;
14214 SetMachineThinkingEnables();
14218 if(bookHit) { // [HGM] book: simulate book reply
14219 static char bookMove[MSG_SIZ]; // a bit generous?
14221 programStats.nodes = programStats.depth = programStats.time =
14222 programStats.score = programStats.got_only_move = 0;
14223 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14225 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14226 strcat(bookMove, bookHit);
14227 savedMessage = bookMove; // args for deferred call
14228 savedState = onmove;
14229 ScheduleDelayedEvent(DeferredBookMove, 1);
14236 if (gameMode == Training) {
14237 SetTrainingModeOff();
14238 gameMode = PlayFromGameFile;
14239 DisplayMessage("", _("Training mode off"));
14241 gameMode = Training;
14242 animateTraining = appData.animate;
14244 /* make sure we are not already at the end of the game */
14245 if (currentMove < forwardMostMove) {
14246 SetTrainingModeOn();
14247 DisplayMessage("", _("Training mode on"));
14249 gameMode = PlayFromGameFile;
14250 DisplayError(_("Already at end of game"), 0);
14259 if (!appData.icsActive) return;
14260 switch (gameMode) {
14261 case IcsPlayingWhite:
14262 case IcsPlayingBlack:
14265 case BeginningOfGame:
14273 EditPositionDone(TRUE);
14286 gameMode = IcsIdle;
14296 switch (gameMode) {
14298 SetTrainingModeOff();
14300 case MachinePlaysWhite:
14301 case MachinePlaysBlack:
14302 case BeginningOfGame:
14303 SendToProgram("force\n", &first);
14304 SetUserThinkingEnables();
14306 case PlayFromGameFile:
14307 (void) StopLoadGameTimer();
14308 if (gameFileFP != NULL) {
14313 EditPositionDone(TRUE);
14318 SendToProgram("force\n", &first);
14320 case TwoMachinesPlay:
14321 GameEnds(EndOfFile, NULL, GE_PLAYER);
14322 ResurrectChessProgram();
14323 SetUserThinkingEnables();
14326 ResurrectChessProgram();
14328 case IcsPlayingBlack:
14329 case IcsPlayingWhite:
14330 DisplayError(_("Warning: You are still playing a game"), 0);
14333 DisplayError(_("Warning: You are still observing a game"), 0);
14336 DisplayError(_("Warning: You are still examining a game"), 0);
14347 first.offeredDraw = second.offeredDraw = 0;
14349 if (gameMode == PlayFromGameFile) {
14350 whiteTimeRemaining = timeRemaining[0][currentMove];
14351 blackTimeRemaining = timeRemaining[1][currentMove];
14355 if (gameMode == MachinePlaysWhite ||
14356 gameMode == MachinePlaysBlack ||
14357 gameMode == TwoMachinesPlay ||
14358 gameMode == EndOfGame) {
14359 i = forwardMostMove;
14360 while (i > currentMove) {
14361 SendToProgram("undo\n", &first);
14364 if(!adjustedClock) {
14365 whiteTimeRemaining = timeRemaining[0][currentMove];
14366 blackTimeRemaining = timeRemaining[1][currentMove];
14367 DisplayBothClocks();
14369 if (whiteFlag || blackFlag) {
14370 whiteFlag = blackFlag = 0;
14375 gameMode = EditGame;
14382 EditPositionEvent ()
14384 if (gameMode == EditPosition) {
14390 if (gameMode != EditGame) return;
14392 gameMode = EditPosition;
14395 if (currentMove > 0)
14396 CopyBoard(boards[0], boards[currentMove]);
14398 blackPlaysFirst = !WhiteOnMove(currentMove);
14400 currentMove = forwardMostMove = backwardMostMove = 0;
14401 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14403 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14409 /* [DM] icsEngineAnalyze - possible call from other functions */
14410 if (appData.icsEngineAnalyze) {
14411 appData.icsEngineAnalyze = FALSE;
14413 DisplayMessage("",_("Close ICS engine analyze..."));
14415 if (first.analysisSupport && first.analyzing) {
14416 SendToBoth("exit\n");
14417 first.analyzing = second.analyzing = FALSE;
14419 thinkOutput[0] = NULLCHAR;
14423 EditPositionDone (Boolean fakeRights)
14425 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14427 startedFromSetupPosition = TRUE;
14428 InitChessProgram(&first, FALSE);
14429 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14430 boards[0][EP_STATUS] = EP_NONE;
14431 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14432 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14433 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14434 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14435 } else boards[0][CASTLING][2] = NoRights;
14436 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14437 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14438 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14439 } else boards[0][CASTLING][5] = NoRights;
14440 if(gameInfo.variant == VariantSChess) {
14442 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14443 boards[0][VIRGIN][i] = 0;
14444 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14445 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14449 SendToProgram("force\n", &first);
14450 if (blackPlaysFirst) {
14451 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14452 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14453 currentMove = forwardMostMove = backwardMostMove = 1;
14454 CopyBoard(boards[1], boards[0]);
14456 currentMove = forwardMostMove = backwardMostMove = 0;
14458 SendBoard(&first, forwardMostMove);
14459 if (appData.debugMode) {
14460 fprintf(debugFP, "EditPosDone\n");
14463 DisplayMessage("", "");
14464 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14465 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14466 gameMode = EditGame;
14468 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14469 ClearHighlights(); /* [AS] */
14472 /* Pause for `ms' milliseconds */
14473 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14475 TimeDelay (long ms)
14482 } while (SubtractTimeMarks(&m2, &m1) < ms);
14485 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14487 SendMultiLineToICS (char *buf)
14489 char temp[MSG_SIZ+1], *p;
14496 strncpy(temp, buf, len);
14501 if (*p == '\n' || *p == '\r')
14506 strcat(temp, "\n");
14508 SendToPlayer(temp, strlen(temp));
14512 SetWhiteToPlayEvent ()
14514 if (gameMode == EditPosition) {
14515 blackPlaysFirst = FALSE;
14516 DisplayBothClocks(); /* works because currentMove is 0 */
14517 } else if (gameMode == IcsExamining) {
14518 SendToICS(ics_prefix);
14519 SendToICS("tomove white\n");
14524 SetBlackToPlayEvent ()
14526 if (gameMode == EditPosition) {
14527 blackPlaysFirst = TRUE;
14528 currentMove = 1; /* kludge */
14529 DisplayBothClocks();
14531 } else if (gameMode == IcsExamining) {
14532 SendToICS(ics_prefix);
14533 SendToICS("tomove black\n");
14538 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14541 ChessSquare piece = boards[0][y][x];
14543 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14545 switch (selection) {
14547 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14548 SendToICS(ics_prefix);
14549 SendToICS("bsetup clear\n");
14550 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14551 SendToICS(ics_prefix);
14552 SendToICS("clearboard\n");
14554 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14555 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14556 for (y = 0; y < BOARD_HEIGHT; y++) {
14557 if (gameMode == IcsExamining) {
14558 if (boards[currentMove][y][x] != EmptySquare) {
14559 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14564 boards[0][y][x] = p;
14569 if (gameMode == EditPosition) {
14570 DrawPosition(FALSE, boards[0]);
14575 SetWhiteToPlayEvent();
14579 SetBlackToPlayEvent();
14583 if (gameMode == IcsExamining) {
14584 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14585 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14588 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14589 if(x == BOARD_LEFT-2) {
14590 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14591 boards[0][y][1] = 0;
14593 if(x == BOARD_RGHT+1) {
14594 if(y >= gameInfo.holdingsSize) break;
14595 boards[0][y][BOARD_WIDTH-2] = 0;
14598 boards[0][y][x] = EmptySquare;
14599 DrawPosition(FALSE, boards[0]);
14604 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14605 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14606 selection = (ChessSquare) (PROMOTED piece);
14607 } else if(piece == EmptySquare) selection = WhiteSilver;
14608 else selection = (ChessSquare)((int)piece - 1);
14612 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14613 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14614 selection = (ChessSquare) (DEMOTED piece);
14615 } else if(piece == EmptySquare) selection = BlackSilver;
14616 else selection = (ChessSquare)((int)piece + 1);
14621 if(gameInfo.variant == VariantShatranj ||
14622 gameInfo.variant == VariantXiangqi ||
14623 gameInfo.variant == VariantCourier ||
14624 gameInfo.variant == VariantASEAN ||
14625 gameInfo.variant == VariantMakruk )
14626 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14631 if(gameInfo.variant == VariantXiangqi)
14632 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14633 if(gameInfo.variant == VariantKnightmate)
14634 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14637 if (gameMode == IcsExamining) {
14638 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14639 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14640 PieceToChar(selection), AAA + x, ONE + y);
14643 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14645 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14646 n = PieceToNumber(selection - BlackPawn);
14647 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14648 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14649 boards[0][BOARD_HEIGHT-1-n][1]++;
14651 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14652 n = PieceToNumber(selection);
14653 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14654 boards[0][n][BOARD_WIDTH-1] = selection;
14655 boards[0][n][BOARD_WIDTH-2]++;
14658 boards[0][y][x] = selection;
14659 DrawPosition(TRUE, boards[0]);
14661 fromX = fromY = -1;
14669 DropMenuEvent (ChessSquare selection, int x, int y)
14671 ChessMove moveType;
14673 switch (gameMode) {
14674 case IcsPlayingWhite:
14675 case MachinePlaysBlack:
14676 if (!WhiteOnMove(currentMove)) {
14677 DisplayMoveError(_("It is Black's turn"));
14680 moveType = WhiteDrop;
14682 case IcsPlayingBlack:
14683 case MachinePlaysWhite:
14684 if (WhiteOnMove(currentMove)) {
14685 DisplayMoveError(_("It is White's turn"));
14688 moveType = BlackDrop;
14691 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14697 if (moveType == BlackDrop && selection < BlackPawn) {
14698 selection = (ChessSquare) ((int) selection
14699 + (int) BlackPawn - (int) WhitePawn);
14701 if (boards[currentMove][y][x] != EmptySquare) {
14702 DisplayMoveError(_("That square is occupied"));
14706 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14712 /* Accept a pending offer of any kind from opponent */
14714 if (appData.icsActive) {
14715 SendToICS(ics_prefix);
14716 SendToICS("accept\n");
14717 } else if (cmailMsgLoaded) {
14718 if (currentMove == cmailOldMove &&
14719 commentList[cmailOldMove] != NULL &&
14720 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14721 "Black offers a draw" : "White offers a draw")) {
14723 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14724 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14726 DisplayError(_("There is no pending offer on this move"), 0);
14727 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14730 /* Not used for offers from chess program */
14737 /* Decline a pending offer of any kind from opponent */
14739 if (appData.icsActive) {
14740 SendToICS(ics_prefix);
14741 SendToICS("decline\n");
14742 } else if (cmailMsgLoaded) {
14743 if (currentMove == cmailOldMove &&
14744 commentList[cmailOldMove] != NULL &&
14745 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14746 "Black offers a draw" : "White offers a draw")) {
14748 AppendComment(cmailOldMove, "Draw declined", TRUE);
14749 DisplayComment(cmailOldMove - 1, "Draw declined");
14752 DisplayError(_("There is no pending offer on this move"), 0);
14755 /* Not used for offers from chess program */
14762 /* Issue ICS rematch command */
14763 if (appData.icsActive) {
14764 SendToICS(ics_prefix);
14765 SendToICS("rematch\n");
14772 /* Call your opponent's flag (claim a win on time) */
14773 if (appData.icsActive) {
14774 SendToICS(ics_prefix);
14775 SendToICS("flag\n");
14777 switch (gameMode) {
14780 case MachinePlaysWhite:
14783 GameEnds(GameIsDrawn, "Both players ran out of time",
14786 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14788 DisplayError(_("Your opponent is not out of time"), 0);
14791 case MachinePlaysBlack:
14794 GameEnds(GameIsDrawn, "Both players ran out of time",
14797 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14799 DisplayError(_("Your opponent is not out of time"), 0);
14807 ClockClick (int which)
14808 { // [HGM] code moved to back-end from winboard.c
14809 if(which) { // black clock
14810 if (gameMode == EditPosition || gameMode == IcsExamining) {
14811 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14812 SetBlackToPlayEvent();
14813 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14814 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14815 } else if (shiftKey) {
14816 AdjustClock(which, -1);
14817 } else if (gameMode == IcsPlayingWhite ||
14818 gameMode == MachinePlaysBlack) {
14821 } else { // white clock
14822 if (gameMode == EditPosition || gameMode == IcsExamining) {
14823 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14824 SetWhiteToPlayEvent();
14825 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14826 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14827 } else if (shiftKey) {
14828 AdjustClock(which, -1);
14829 } else if (gameMode == IcsPlayingBlack ||
14830 gameMode == MachinePlaysWhite) {
14839 /* Offer draw or accept pending draw offer from opponent */
14841 if (appData.icsActive) {
14842 /* Note: tournament rules require draw offers to be
14843 made after you make your move but before you punch
14844 your clock. Currently ICS doesn't let you do that;
14845 instead, you immediately punch your clock after making
14846 a move, but you can offer a draw at any time. */
14848 SendToICS(ics_prefix);
14849 SendToICS("draw\n");
14850 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14851 } else if (cmailMsgLoaded) {
14852 if (currentMove == cmailOldMove &&
14853 commentList[cmailOldMove] != NULL &&
14854 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14855 "Black offers a draw" : "White offers a draw")) {
14856 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14857 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14858 } else if (currentMove == cmailOldMove + 1) {
14859 char *offer = WhiteOnMove(cmailOldMove) ?
14860 "White offers a draw" : "Black offers a draw";
14861 AppendComment(currentMove, offer, TRUE);
14862 DisplayComment(currentMove - 1, offer);
14863 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14865 DisplayError(_("You must make your move before offering a draw"), 0);
14866 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14868 } else if (first.offeredDraw) {
14869 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14871 if (first.sendDrawOffers) {
14872 SendToProgram("draw\n", &first);
14873 userOfferedDraw = TRUE;
14881 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14883 if (appData.icsActive) {
14884 SendToICS(ics_prefix);
14885 SendToICS("adjourn\n");
14887 /* Currently GNU Chess doesn't offer or accept Adjourns */
14895 /* Offer Abort or accept pending Abort offer from opponent */
14897 if (appData.icsActive) {
14898 SendToICS(ics_prefix);
14899 SendToICS("abort\n");
14901 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14908 /* Resign. You can do this even if it's not your turn. */
14910 if (appData.icsActive) {
14911 SendToICS(ics_prefix);
14912 SendToICS("resign\n");
14914 switch (gameMode) {
14915 case MachinePlaysWhite:
14916 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14918 case MachinePlaysBlack:
14919 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14922 if (cmailMsgLoaded) {
14924 if (WhiteOnMove(cmailOldMove)) {
14925 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14927 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14929 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14940 StopObservingEvent ()
14942 /* Stop observing current games */
14943 SendToICS(ics_prefix);
14944 SendToICS("unobserve\n");
14948 StopExaminingEvent ()
14950 /* Stop observing current game */
14951 SendToICS(ics_prefix);
14952 SendToICS("unexamine\n");
14956 ForwardInner (int target)
14958 int limit; int oldSeekGraphUp = seekGraphUp;
14960 if (appData.debugMode)
14961 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14962 target, currentMove, forwardMostMove);
14964 if (gameMode == EditPosition)
14967 seekGraphUp = FALSE;
14968 MarkTargetSquares(1);
14970 if (gameMode == PlayFromGameFile && !pausing)
14973 if (gameMode == IcsExamining && pausing)
14974 limit = pauseExamForwardMostMove;
14976 limit = forwardMostMove;
14978 if (target > limit) target = limit;
14980 if (target > 0 && moveList[target - 1][0]) {
14981 int fromX, fromY, toX, toY;
14982 toX = moveList[target - 1][2] - AAA;
14983 toY = moveList[target - 1][3] - ONE;
14984 if (moveList[target - 1][1] == '@') {
14985 if (appData.highlightLastMove) {
14986 SetHighlights(-1, -1, toX, toY);
14989 fromX = moveList[target - 1][0] - AAA;
14990 fromY = moveList[target - 1][1] - ONE;
14991 if (target == currentMove + 1) {
14992 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14994 if (appData.highlightLastMove) {
14995 SetHighlights(fromX, fromY, toX, toY);
14999 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15000 gameMode == Training || gameMode == PlayFromGameFile ||
15001 gameMode == AnalyzeFile) {
15002 while (currentMove < target) {
15003 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15004 SendMoveToProgram(currentMove++, &first);
15007 currentMove = target;
15010 if (gameMode == EditGame || gameMode == EndOfGame) {
15011 whiteTimeRemaining = timeRemaining[0][currentMove];
15012 blackTimeRemaining = timeRemaining[1][currentMove];
15014 DisplayBothClocks();
15015 DisplayMove(currentMove - 1);
15016 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15017 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15018 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15019 DisplayComment(currentMove - 1, commentList[currentMove]);
15021 ClearMap(); // [HGM] exclude: invalidate map
15028 if (gameMode == IcsExamining && !pausing) {
15029 SendToICS(ics_prefix);
15030 SendToICS("forward\n");
15032 ForwardInner(currentMove + 1);
15039 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15040 /* to optimze, we temporarily turn off analysis mode while we feed
15041 * the remaining moves to the engine. Otherwise we get analysis output
15044 if (first.analysisSupport) {
15045 SendToProgram("exit\nforce\n", &first);
15046 first.analyzing = FALSE;
15050 if (gameMode == IcsExamining && !pausing) {
15051 SendToICS(ics_prefix);
15052 SendToICS("forward 999999\n");
15054 ForwardInner(forwardMostMove);
15057 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15058 /* we have fed all the moves, so reactivate analysis mode */
15059 SendToProgram("analyze\n", &first);
15060 first.analyzing = TRUE;
15061 /*first.maybeThinking = TRUE;*/
15062 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15067 BackwardInner (int target)
15069 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15071 if (appData.debugMode)
15072 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15073 target, currentMove, forwardMostMove);
15075 if (gameMode == EditPosition) return;
15076 seekGraphUp = FALSE;
15077 MarkTargetSquares(1);
15078 if (currentMove <= backwardMostMove) {
15080 DrawPosition(full_redraw, boards[currentMove]);
15083 if (gameMode == PlayFromGameFile && !pausing)
15086 if (moveList[target][0]) {
15087 int fromX, fromY, toX, toY;
15088 toX = moveList[target][2] - AAA;
15089 toY = moveList[target][3] - ONE;
15090 if (moveList[target][1] == '@') {
15091 if (appData.highlightLastMove) {
15092 SetHighlights(-1, -1, toX, toY);
15095 fromX = moveList[target][0] - AAA;
15096 fromY = moveList[target][1] - ONE;
15097 if (target == currentMove - 1) {
15098 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15100 if (appData.highlightLastMove) {
15101 SetHighlights(fromX, fromY, toX, toY);
15105 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15106 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15107 while (currentMove > target) {
15108 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15109 // null move cannot be undone. Reload program with move history before it.
15111 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15112 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15114 SendBoard(&first, i);
15115 if(second.analyzing) SendBoard(&second, i);
15116 for(currentMove=i; currentMove<target; currentMove++) {
15117 SendMoveToProgram(currentMove, &first);
15118 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15122 SendToBoth("undo\n");
15126 currentMove = target;
15129 if (gameMode == EditGame || gameMode == EndOfGame) {
15130 whiteTimeRemaining = timeRemaining[0][currentMove];
15131 blackTimeRemaining = timeRemaining[1][currentMove];
15133 DisplayBothClocks();
15134 DisplayMove(currentMove - 1);
15135 DrawPosition(full_redraw, boards[currentMove]);
15136 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15137 // [HGM] PV info: routine tests if comment empty
15138 DisplayComment(currentMove - 1, commentList[currentMove]);
15139 ClearMap(); // [HGM] exclude: invalidate map
15145 if (gameMode == IcsExamining && !pausing) {
15146 SendToICS(ics_prefix);
15147 SendToICS("backward\n");
15149 BackwardInner(currentMove - 1);
15156 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15157 /* to optimize, we temporarily turn off analysis mode while we undo
15158 * all the moves. Otherwise we get analysis output after each undo.
15160 if (first.analysisSupport) {
15161 SendToProgram("exit\nforce\n", &first);
15162 first.analyzing = FALSE;
15166 if (gameMode == IcsExamining && !pausing) {
15167 SendToICS(ics_prefix);
15168 SendToICS("backward 999999\n");
15170 BackwardInner(backwardMostMove);
15173 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15174 /* we have fed all the moves, so reactivate analysis mode */
15175 SendToProgram("analyze\n", &first);
15176 first.analyzing = TRUE;
15177 /*first.maybeThinking = TRUE;*/
15178 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15185 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15186 if (to >= forwardMostMove) to = forwardMostMove;
15187 if (to <= backwardMostMove) to = backwardMostMove;
15188 if (to < currentMove) {
15196 RevertEvent (Boolean annotate)
15198 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15201 if (gameMode != IcsExamining) {
15202 DisplayError(_("You are not examining a game"), 0);
15206 DisplayError(_("You can't revert while pausing"), 0);
15209 SendToICS(ics_prefix);
15210 SendToICS("revert\n");
15214 RetractMoveEvent ()
15216 switch (gameMode) {
15217 case MachinePlaysWhite:
15218 case MachinePlaysBlack:
15219 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15220 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15223 if (forwardMostMove < 2) return;
15224 currentMove = forwardMostMove = forwardMostMove - 2;
15225 whiteTimeRemaining = timeRemaining[0][currentMove];
15226 blackTimeRemaining = timeRemaining[1][currentMove];
15227 DisplayBothClocks();
15228 DisplayMove(currentMove - 1);
15229 ClearHighlights();/*!! could figure this out*/
15230 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15231 SendToProgram("remove\n", &first);
15232 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15235 case BeginningOfGame:
15239 case IcsPlayingWhite:
15240 case IcsPlayingBlack:
15241 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15242 SendToICS(ics_prefix);
15243 SendToICS("takeback 2\n");
15245 SendToICS(ics_prefix);
15246 SendToICS("takeback 1\n");
15255 ChessProgramState *cps;
15257 switch (gameMode) {
15258 case MachinePlaysWhite:
15259 if (!WhiteOnMove(forwardMostMove)) {
15260 DisplayError(_("It is your turn"), 0);
15265 case MachinePlaysBlack:
15266 if (WhiteOnMove(forwardMostMove)) {
15267 DisplayError(_("It is your turn"), 0);
15272 case TwoMachinesPlay:
15273 if (WhiteOnMove(forwardMostMove) ==
15274 (first.twoMachinesColor[0] == 'w')) {
15280 case BeginningOfGame:
15284 SendToProgram("?\n", cps);
15288 TruncateGameEvent ()
15291 if (gameMode != EditGame) return;
15298 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15299 if (forwardMostMove > currentMove) {
15300 if (gameInfo.resultDetails != NULL) {
15301 free(gameInfo.resultDetails);
15302 gameInfo.resultDetails = NULL;
15303 gameInfo.result = GameUnfinished;
15305 forwardMostMove = currentMove;
15306 HistorySet(parseList, backwardMostMove, forwardMostMove,
15314 if (appData.noChessProgram) return;
15315 switch (gameMode) {
15316 case MachinePlaysWhite:
15317 if (WhiteOnMove(forwardMostMove)) {
15318 DisplayError(_("Wait until your turn"), 0);
15322 case BeginningOfGame:
15323 case MachinePlaysBlack:
15324 if (!WhiteOnMove(forwardMostMove)) {
15325 DisplayError(_("Wait until your turn"), 0);
15330 DisplayError(_("No hint available"), 0);
15333 SendToProgram("hint\n", &first);
15334 hintRequested = TRUE;
15340 ListGame * lg = (ListGame *) gameList.head;
15343 static int secondTime = FALSE;
15345 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15346 DisplayError(_("Game list not loaded or empty"), 0);
15350 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15353 DisplayNote(_("Book file exists! Try again for overwrite."));
15357 creatingBook = TRUE;
15358 secondTime = FALSE;
15360 /* Get list size */
15361 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15362 LoadGame(f, nItem, "", TRUE);
15363 AddGameToBook(TRUE);
15364 lg = (ListGame *) lg->node.succ;
15367 creatingBook = FALSE;
15374 if (appData.noChessProgram) return;
15375 switch (gameMode) {
15376 case MachinePlaysWhite:
15377 if (WhiteOnMove(forwardMostMove)) {
15378 DisplayError(_("Wait until your turn"), 0);
15382 case BeginningOfGame:
15383 case MachinePlaysBlack:
15384 if (!WhiteOnMove(forwardMostMove)) {
15385 DisplayError(_("Wait until your turn"), 0);
15390 EditPositionDone(TRUE);
15392 case TwoMachinesPlay:
15397 SendToProgram("bk\n", &first);
15398 bookOutput[0] = NULLCHAR;
15399 bookRequested = TRUE;
15405 char *tags = PGNTags(&gameInfo);
15406 TagsPopUp(tags, CmailMsg());
15410 /* end button procedures */
15413 PrintPosition (FILE *fp, int move)
15417 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15418 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15419 char c = PieceToChar(boards[move][i][j]);
15420 fputc(c == 'x' ? '.' : c, fp);
15421 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15424 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15425 fprintf(fp, "white to play\n");
15427 fprintf(fp, "black to play\n");
15431 PrintOpponents (FILE *fp)
15433 if (gameInfo.white != NULL) {
15434 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15440 /* Find last component of program's own name, using some heuristics */
15442 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15445 int local = (strcmp(host, "localhost") == 0);
15446 while (!local && (p = strchr(prog, ';')) != NULL) {
15448 while (*p == ' ') p++;
15451 if (*prog == '"' || *prog == '\'') {
15452 q = strchr(prog + 1, *prog);
15454 q = strchr(prog, ' ');
15456 if (q == NULL) q = prog + strlen(prog);
15458 while (p >= prog && *p != '/' && *p != '\\') p--;
15460 if(p == prog && *p == '"') p++;
15462 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15463 memcpy(buf, p, q - p);
15464 buf[q - p] = NULLCHAR;
15472 TimeControlTagValue ()
15475 if (!appData.clockMode) {
15476 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15477 } else if (movesPerSession > 0) {
15478 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15479 } else if (timeIncrement == 0) {
15480 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15482 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15484 return StrSave(buf);
15490 /* This routine is used only for certain modes */
15491 VariantClass v = gameInfo.variant;
15492 ChessMove r = GameUnfinished;
15495 if(keepInfo) return;
15497 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15498 r = gameInfo.result;
15499 p = gameInfo.resultDetails;
15500 gameInfo.resultDetails = NULL;
15502 ClearGameInfo(&gameInfo);
15503 gameInfo.variant = v;
15505 switch (gameMode) {
15506 case MachinePlaysWhite:
15507 gameInfo.event = StrSave( appData.pgnEventHeader );
15508 gameInfo.site = StrSave(HostName());
15509 gameInfo.date = PGNDate();
15510 gameInfo.round = StrSave("-");
15511 gameInfo.white = StrSave(first.tidy);
15512 gameInfo.black = StrSave(UserName());
15513 gameInfo.timeControl = TimeControlTagValue();
15516 case MachinePlaysBlack:
15517 gameInfo.event = StrSave( appData.pgnEventHeader );
15518 gameInfo.site = StrSave(HostName());
15519 gameInfo.date = PGNDate();
15520 gameInfo.round = StrSave("-");
15521 gameInfo.white = StrSave(UserName());
15522 gameInfo.black = StrSave(first.tidy);
15523 gameInfo.timeControl = TimeControlTagValue();
15526 case TwoMachinesPlay:
15527 gameInfo.event = StrSave( appData.pgnEventHeader );
15528 gameInfo.site = StrSave(HostName());
15529 gameInfo.date = PGNDate();
15532 snprintf(buf, MSG_SIZ, "%d", roundNr);
15533 gameInfo.round = StrSave(buf);
15535 gameInfo.round = StrSave("-");
15537 if (first.twoMachinesColor[0] == 'w') {
15538 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15539 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15541 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15542 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15544 gameInfo.timeControl = TimeControlTagValue();
15548 gameInfo.event = StrSave("Edited game");
15549 gameInfo.site = StrSave(HostName());
15550 gameInfo.date = PGNDate();
15551 gameInfo.round = StrSave("-");
15552 gameInfo.white = StrSave("-");
15553 gameInfo.black = StrSave("-");
15554 gameInfo.result = r;
15555 gameInfo.resultDetails = p;
15559 gameInfo.event = StrSave("Edited position");
15560 gameInfo.site = StrSave(HostName());
15561 gameInfo.date = PGNDate();
15562 gameInfo.round = StrSave("-");
15563 gameInfo.white = StrSave("-");
15564 gameInfo.black = StrSave("-");
15567 case IcsPlayingWhite:
15568 case IcsPlayingBlack:
15573 case PlayFromGameFile:
15574 gameInfo.event = StrSave("Game from non-PGN file");
15575 gameInfo.site = StrSave(HostName());
15576 gameInfo.date = PGNDate();
15577 gameInfo.round = StrSave("-");
15578 gameInfo.white = StrSave("?");
15579 gameInfo.black = StrSave("?");
15588 ReplaceComment (int index, char *text)
15594 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15595 pvInfoList[index-1].depth == len &&
15596 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15597 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15598 while (*text == '\n') text++;
15599 len = strlen(text);
15600 while (len > 0 && text[len - 1] == '\n') len--;
15602 if (commentList[index] != NULL)
15603 free(commentList[index]);
15606 commentList[index] = NULL;
15609 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15610 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15611 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15612 commentList[index] = (char *) malloc(len + 2);
15613 strncpy(commentList[index], text, len);
15614 commentList[index][len] = '\n';
15615 commentList[index][len + 1] = NULLCHAR;
15617 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15619 commentList[index] = (char *) malloc(len + 7);
15620 safeStrCpy(commentList[index], "{\n", 3);
15621 safeStrCpy(commentList[index]+2, text, len+1);
15622 commentList[index][len+2] = NULLCHAR;
15623 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15624 strcat(commentList[index], "\n}\n");
15629 CrushCRs (char *text)
15637 if (ch == '\r') continue;
15639 } while (ch != '\0');
15643 AppendComment (int index, char *text, Boolean addBraces)
15644 /* addBraces tells if we should add {} */
15649 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15650 if(addBraces == 3) addBraces = 0; else // force appending literally
15651 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15654 while (*text == '\n') text++;
15655 len = strlen(text);
15656 while (len > 0 && text[len - 1] == '\n') len--;
15657 text[len] = NULLCHAR;
15659 if (len == 0) return;
15661 if (commentList[index] != NULL) {
15662 Boolean addClosingBrace = addBraces;
15663 old = commentList[index];
15664 oldlen = strlen(old);
15665 while(commentList[index][oldlen-1] == '\n')
15666 commentList[index][--oldlen] = NULLCHAR;
15667 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15668 safeStrCpy(commentList[index], old, oldlen + len + 6);
15670 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15671 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15672 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15673 while (*text == '\n') { text++; len--; }
15674 commentList[index][--oldlen] = NULLCHAR;
15676 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15677 else strcat(commentList[index], "\n");
15678 strcat(commentList[index], text);
15679 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15680 else strcat(commentList[index], "\n");
15682 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15684 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15685 else commentList[index][0] = NULLCHAR;
15686 strcat(commentList[index], text);
15687 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15688 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15693 FindStr (char * text, char * sub_text)
15695 char * result = strstr( text, sub_text );
15697 if( result != NULL ) {
15698 result += strlen( sub_text );
15704 /* [AS] Try to extract PV info from PGN comment */
15705 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15707 GetInfoFromComment (int index, char * text)
15709 char * sep = text, *p;
15711 if( text != NULL && index > 0 ) {
15714 int time = -1, sec = 0, deci;
15715 char * s_eval = FindStr( text, "[%eval " );
15716 char * s_emt = FindStr( text, "[%emt " );
15718 if( s_eval != NULL || s_emt != NULL ) {
15720 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15725 if( s_eval != NULL ) {
15726 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15730 if( delim != ']' ) {
15735 if( s_emt != NULL ) {
15740 /* We expect something like: [+|-]nnn.nn/dd */
15743 if(*text != '{') return text; // [HGM] braces: must be normal comment
15745 sep = strchr( text, '/' );
15746 if( sep == NULL || sep < (text+4) ) {
15751 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15752 if(p[1] == '(') { // comment starts with PV
15753 p = strchr(p, ')'); // locate end of PV
15754 if(p == NULL || sep < p+5) return text;
15755 // at this point we have something like "{(.*) +0.23/6 ..."
15756 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15757 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15758 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15760 time = -1; sec = -1; deci = -1;
15761 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15762 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15763 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15764 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15768 if( score_lo < 0 || score_lo >= 100 ) {
15772 if(sec >= 0) time = 600*time + 10*sec; else
15773 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15775 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15777 /* [HGM] PV time: now locate end of PV info */
15778 while( *++sep >= '0' && *sep <= '9'); // strip depth
15780 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15782 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15784 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15785 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15796 pvInfoList[index-1].depth = depth;
15797 pvInfoList[index-1].score = score;
15798 pvInfoList[index-1].time = 10*time; // centi-sec
15799 if(*sep == '}') *sep = 0; else *--sep = '{';
15800 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15806 SendToProgram (char *message, ChessProgramState *cps)
15808 int count, outCount, error;
15811 if (cps->pr == NoProc) return;
15814 if (appData.debugMode) {
15817 fprintf(debugFP, "%ld >%-6s: %s",
15818 SubtractTimeMarks(&now, &programStartTime),
15819 cps->which, message);
15821 fprintf(serverFP, "%ld >%-6s: %s",
15822 SubtractTimeMarks(&now, &programStartTime),
15823 cps->which, message), fflush(serverFP);
15826 count = strlen(message);
15827 outCount = OutputToProcess(cps->pr, message, count, &error);
15828 if (outCount < count && !exiting
15829 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15830 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15831 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15832 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15833 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15834 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15835 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15836 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15838 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15839 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15840 gameInfo.result = res;
15842 gameInfo.resultDetails = StrSave(buf);
15844 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15845 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15850 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15854 ChessProgramState *cps = (ChessProgramState *)closure;
15856 if (isr != cps->isr) return; /* Killed intentionally */
15859 RemoveInputSource(cps->isr);
15860 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15861 _(cps->which), cps->program);
15862 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15863 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15864 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15865 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15866 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15867 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15869 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15870 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15871 gameInfo.result = res;
15873 gameInfo.resultDetails = StrSave(buf);
15875 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15876 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15878 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15879 _(cps->which), cps->program);
15880 RemoveInputSource(cps->isr);
15882 /* [AS] Program is misbehaving badly... kill it */
15883 if( count == -2 ) {
15884 DestroyChildProcess( cps->pr, 9 );
15888 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15893 if ((end_str = strchr(message, '\r')) != NULL)
15894 *end_str = NULLCHAR;
15895 if ((end_str = strchr(message, '\n')) != NULL)
15896 *end_str = NULLCHAR;
15898 if (appData.debugMode) {
15899 TimeMark now; int print = 1;
15900 char *quote = ""; char c; int i;
15902 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15903 char start = message[0];
15904 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15905 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15906 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15907 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15908 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15909 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15910 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15911 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15912 sscanf(message, "hint: %c", &c)!=1 &&
15913 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15914 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15915 print = (appData.engineComments >= 2);
15917 message[0] = start; // restore original message
15921 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15922 SubtractTimeMarks(&now, &programStartTime), cps->which,
15926 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15927 SubtractTimeMarks(&now, &programStartTime), cps->which,
15929 message), fflush(serverFP);
15933 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15934 if (appData.icsEngineAnalyze) {
15935 if (strstr(message, "whisper") != NULL ||
15936 strstr(message, "kibitz") != NULL ||
15937 strstr(message, "tellics") != NULL) return;
15940 HandleMachineMove(message, cps);
15945 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15950 if( timeControl_2 > 0 ) {
15951 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15952 tc = timeControl_2;
15955 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15956 inc /= cps->timeOdds;
15957 st /= cps->timeOdds;
15959 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15962 /* Set exact time per move, normally using st command */
15963 if (cps->stKludge) {
15964 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15966 if (seconds == 0) {
15967 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15969 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15972 snprintf(buf, MSG_SIZ, "st %d\n", st);
15975 /* Set conventional or incremental time control, using level command */
15976 if (seconds == 0) {
15977 /* Note old gnuchess bug -- minutes:seconds used to not work.
15978 Fixed in later versions, but still avoid :seconds
15979 when seconds is 0. */
15980 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15982 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15983 seconds, inc/1000.);
15986 SendToProgram(buf, cps);
15988 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15989 /* Orthogonally, limit search to given depth */
15991 if (cps->sdKludge) {
15992 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15994 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15996 SendToProgram(buf, cps);
15999 if(cps->nps >= 0) { /* [HGM] nps */
16000 if(cps->supportsNPS == FALSE)
16001 cps->nps = -1; // don't use if engine explicitly says not supported!
16003 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16004 SendToProgram(buf, cps);
16009 ChessProgramState *
16011 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16013 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16014 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16020 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16022 char message[MSG_SIZ];
16025 /* Note: this routine must be called when the clocks are stopped
16026 or when they have *just* been set or switched; otherwise
16027 it will be off by the time since the current tick started.
16029 if (machineWhite) {
16030 time = whiteTimeRemaining / 10;
16031 otime = blackTimeRemaining / 10;
16033 time = blackTimeRemaining / 10;
16034 otime = whiteTimeRemaining / 10;
16036 /* [HGM] translate opponent's time by time-odds factor */
16037 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16039 if (time <= 0) time = 1;
16040 if (otime <= 0) otime = 1;
16042 snprintf(message, MSG_SIZ, "time %ld\n", time);
16043 SendToProgram(message, cps);
16045 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16046 SendToProgram(message, cps);
16050 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16053 int len = strlen(name);
16056 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16058 sscanf(*p, "%d", &val);
16060 while (**p && **p != ' ')
16062 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16063 SendToProgram(buf, cps);
16070 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16073 int len = strlen(name);
16074 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16076 sscanf(*p, "%d", loc);
16077 while (**p && **p != ' ') (*p)++;
16078 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16079 SendToProgram(buf, cps);
16086 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16089 int len = strlen(name);
16090 if (strncmp((*p), name, len) == 0
16091 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16093 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16094 sscanf(*p, "%[^\"]", *loc);
16095 while (**p && **p != '\"') (*p)++;
16096 if (**p == '\"') (*p)++;
16097 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16098 SendToProgram(buf, cps);
16105 ParseOption (Option *opt, ChessProgramState *cps)
16106 // [HGM] options: process the string that defines an engine option, and determine
16107 // name, type, default value, and allowed value range
16109 char *p, *q, buf[MSG_SIZ];
16110 int n, min = (-1)<<31, max = 1<<31, def;
16112 if(p = strstr(opt->name, " -spin ")) {
16113 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16114 if(max < min) max = min; // enforce consistency
16115 if(def < min) def = min;
16116 if(def > max) def = max;
16121 } else if((p = strstr(opt->name, " -slider "))) {
16122 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16123 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16124 if(max < min) max = min; // enforce consistency
16125 if(def < min) def = min;
16126 if(def > max) def = max;
16130 opt->type = Spin; // Slider;
16131 } else if((p = strstr(opt->name, " -string "))) {
16132 opt->textValue = p+9;
16133 opt->type = TextBox;
16134 } else if((p = strstr(opt->name, " -file "))) {
16135 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16136 opt->textValue = p+7;
16137 opt->type = FileName; // FileName;
16138 } else if((p = strstr(opt->name, " -path "))) {
16139 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16140 opt->textValue = p+7;
16141 opt->type = PathName; // PathName;
16142 } else if(p = strstr(opt->name, " -check ")) {
16143 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16144 opt->value = (def != 0);
16145 opt->type = CheckBox;
16146 } else if(p = strstr(opt->name, " -combo ")) {
16147 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16148 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16149 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16150 opt->value = n = 0;
16151 while(q = StrStr(q, " /// ")) {
16152 n++; *q = 0; // count choices, and null-terminate each of them
16154 if(*q == '*') { // remember default, which is marked with * prefix
16158 cps->comboList[cps->comboCnt++] = q;
16160 cps->comboList[cps->comboCnt++] = NULL;
16162 opt->type = ComboBox;
16163 } else if(p = strstr(opt->name, " -button")) {
16164 opt->type = Button;
16165 } else if(p = strstr(opt->name, " -save")) {
16166 opt->type = SaveButton;
16167 } else return FALSE;
16168 *p = 0; // terminate option name
16169 // now look if the command-line options define a setting for this engine option.
16170 if(cps->optionSettings && cps->optionSettings[0])
16171 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16172 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16173 snprintf(buf, MSG_SIZ, "option %s", p);
16174 if(p = strstr(buf, ",")) *p = 0;
16175 if(q = strchr(buf, '=')) switch(opt->type) {
16177 for(n=0; n<opt->max; n++)
16178 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16181 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16185 opt->value = atoi(q+1);
16190 SendToProgram(buf, cps);
16196 FeatureDone (ChessProgramState *cps, int val)
16198 DelayedEventCallback cb = GetDelayedEvent();
16199 if ((cb == InitBackEnd3 && cps == &first) ||
16200 (cb == SettingsMenuIfReady && cps == &second) ||
16201 (cb == LoadEngine) ||
16202 (cb == TwoMachinesEventIfReady)) {
16203 CancelDelayedEvent();
16204 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16206 cps->initDone = val;
16207 if(val) cps->reload = FALSE;
16210 /* Parse feature command from engine */
16212 ParseFeatures (char *args, ChessProgramState *cps)
16220 while (*p == ' ') p++;
16221 if (*p == NULLCHAR) return;
16223 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16224 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16225 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16226 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16227 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16228 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16229 if (BoolFeature(&p, "reuse", &val, cps)) {
16230 /* Engine can disable reuse, but can't enable it if user said no */
16231 if (!val) cps->reuse = FALSE;
16234 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16235 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16236 if (gameMode == TwoMachinesPlay) {
16237 DisplayTwoMachinesTitle();
16243 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16244 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16245 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16246 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16247 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16248 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16249 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16250 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16251 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16252 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16253 if (IntFeature(&p, "done", &val, cps)) {
16254 FeatureDone(cps, val);
16257 /* Added by Tord: */
16258 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16259 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16260 /* End of additions by Tord */
16262 /* [HGM] added features: */
16263 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16264 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16265 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16266 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16267 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16268 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16269 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16270 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16271 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16272 FREE(cps->option[cps->nrOptions].name);
16273 cps->option[cps->nrOptions].name = q; q = NULL;
16274 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16275 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16276 SendToProgram(buf, cps);
16279 if(cps->nrOptions >= MAX_OPTIONS) {
16281 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16282 DisplayError(buf, 0);
16286 /* End of additions by HGM */
16288 /* unknown feature: complain and skip */
16290 while (*q && *q != '=') q++;
16291 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16292 SendToProgram(buf, cps);
16298 while (*p && *p != '\"') p++;
16299 if (*p == '\"') p++;
16301 while (*p && *p != ' ') p++;
16309 PeriodicUpdatesEvent (int newState)
16311 if (newState == appData.periodicUpdates)
16314 appData.periodicUpdates=newState;
16316 /* Display type changes, so update it now */
16317 // DisplayAnalysis();
16319 /* Get the ball rolling again... */
16321 AnalysisPeriodicEvent(1);
16322 StartAnalysisClock();
16327 PonderNextMoveEvent (int newState)
16329 if (newState == appData.ponderNextMove) return;
16330 if (gameMode == EditPosition) EditPositionDone(TRUE);
16332 SendToProgram("hard\n", &first);
16333 if (gameMode == TwoMachinesPlay) {
16334 SendToProgram("hard\n", &second);
16337 SendToProgram("easy\n", &first);
16338 thinkOutput[0] = NULLCHAR;
16339 if (gameMode == TwoMachinesPlay) {
16340 SendToProgram("easy\n", &second);
16343 appData.ponderNextMove = newState;
16347 NewSettingEvent (int option, int *feature, char *command, int value)
16351 if (gameMode == EditPosition) EditPositionDone(TRUE);
16352 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16353 if(feature == NULL || *feature) SendToProgram(buf, &first);
16354 if (gameMode == TwoMachinesPlay) {
16355 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16360 ShowThinkingEvent ()
16361 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16363 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16364 int newState = appData.showThinking
16365 // [HGM] thinking: other features now need thinking output as well
16366 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16368 if (oldState == newState) return;
16369 oldState = newState;
16370 if (gameMode == EditPosition) EditPositionDone(TRUE);
16372 SendToProgram("post\n", &first);
16373 if (gameMode == TwoMachinesPlay) {
16374 SendToProgram("post\n", &second);
16377 SendToProgram("nopost\n", &first);
16378 thinkOutput[0] = NULLCHAR;
16379 if (gameMode == TwoMachinesPlay) {
16380 SendToProgram("nopost\n", &second);
16383 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16387 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16389 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16390 if (pr == NoProc) return;
16391 AskQuestion(title, question, replyPrefix, pr);
16395 TypeInEvent (char firstChar)
16397 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16398 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16399 gameMode == AnalyzeMode || gameMode == EditGame ||
16400 gameMode == EditPosition || gameMode == IcsExamining ||
16401 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16402 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16403 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16404 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16405 gameMode == Training) PopUpMoveDialog(firstChar);
16409 TypeInDoneEvent (char *move)
16412 int n, fromX, fromY, toX, toY;
16414 ChessMove moveType;
16417 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16418 EditPositionPasteFEN(move);
16421 // [HGM] movenum: allow move number to be typed in any mode
16422 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16426 // undocumented kludge: allow command-line option to be typed in!
16427 // (potentially fatal, and does not implement the effect of the option.)
16428 // should only be used for options that are values on which future decisions will be made,
16429 // and definitely not on options that would be used during initialization.
16430 if(strstr(move, "!!! -") == move) {
16431 ParseArgsFromString(move+4);
16435 if (gameMode != EditGame && currentMove != forwardMostMove &&
16436 gameMode != Training) {
16437 DisplayMoveError(_("Displayed move is not current"));
16439 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16440 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16441 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16442 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16443 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16444 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16446 DisplayMoveError(_("Could not parse move"));
16452 DisplayMove (int moveNumber)
16454 char message[MSG_SIZ];
16456 char cpThinkOutput[MSG_SIZ];
16458 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16460 if (moveNumber == forwardMostMove - 1 ||
16461 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16463 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16465 if (strchr(cpThinkOutput, '\n')) {
16466 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16469 *cpThinkOutput = NULLCHAR;
16472 /* [AS] Hide thinking from human user */
16473 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16474 *cpThinkOutput = NULLCHAR;
16475 if( thinkOutput[0] != NULLCHAR ) {
16478 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16479 cpThinkOutput[i] = '.';
16481 cpThinkOutput[i] = NULLCHAR;
16482 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16486 if (moveNumber == forwardMostMove - 1 &&
16487 gameInfo.resultDetails != NULL) {
16488 if (gameInfo.resultDetails[0] == NULLCHAR) {
16489 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16491 snprintf(res, MSG_SIZ, " {%s} %s",
16492 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16498 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16499 DisplayMessage(res, cpThinkOutput);
16501 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16502 WhiteOnMove(moveNumber) ? " " : ".. ",
16503 parseList[moveNumber], res);
16504 DisplayMessage(message, cpThinkOutput);
16509 DisplayComment (int moveNumber, char *text)
16511 char title[MSG_SIZ];
16513 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16514 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16516 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16517 WhiteOnMove(moveNumber) ? " " : ".. ",
16518 parseList[moveNumber]);
16520 if (text != NULL && (appData.autoDisplayComment || commentUp))
16521 CommentPopUp(title, text);
16524 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16525 * might be busy thinking or pondering. It can be omitted if your
16526 * gnuchess is configured to stop thinking immediately on any user
16527 * input. However, that gnuchess feature depends on the FIONREAD
16528 * ioctl, which does not work properly on some flavors of Unix.
16531 Attention (ChessProgramState *cps)
16534 if (!cps->useSigint) return;
16535 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16536 switch (gameMode) {
16537 case MachinePlaysWhite:
16538 case MachinePlaysBlack:
16539 case TwoMachinesPlay:
16540 case IcsPlayingWhite:
16541 case IcsPlayingBlack:
16544 /* Skip if we know it isn't thinking */
16545 if (!cps->maybeThinking) return;
16546 if (appData.debugMode)
16547 fprintf(debugFP, "Interrupting %s\n", cps->which);
16548 InterruptChildProcess(cps->pr);
16549 cps->maybeThinking = FALSE;
16554 #endif /*ATTENTION*/
16560 if (whiteTimeRemaining <= 0) {
16563 if (appData.icsActive) {
16564 if (appData.autoCallFlag &&
16565 gameMode == IcsPlayingBlack && !blackFlag) {
16566 SendToICS(ics_prefix);
16567 SendToICS("flag\n");
16571 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16573 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16574 if (appData.autoCallFlag) {
16575 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16582 if (blackTimeRemaining <= 0) {
16585 if (appData.icsActive) {
16586 if (appData.autoCallFlag &&
16587 gameMode == IcsPlayingWhite && !whiteFlag) {
16588 SendToICS(ics_prefix);
16589 SendToICS("flag\n");
16593 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16595 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16596 if (appData.autoCallFlag) {
16597 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16608 CheckTimeControl ()
16610 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16611 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16614 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16616 if ( !WhiteOnMove(forwardMostMove) ) {
16617 /* White made time control */
16618 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16619 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16620 /* [HGM] time odds: correct new time quota for time odds! */
16621 / WhitePlayer()->timeOdds;
16622 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16624 lastBlack -= blackTimeRemaining;
16625 /* Black made time control */
16626 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16627 / WhitePlayer()->other->timeOdds;
16628 lastWhite = whiteTimeRemaining;
16633 DisplayBothClocks ()
16635 int wom = gameMode == EditPosition ?
16636 !blackPlaysFirst : WhiteOnMove(currentMove);
16637 DisplayWhiteClock(whiteTimeRemaining, wom);
16638 DisplayBlackClock(blackTimeRemaining, !wom);
16642 /* Timekeeping seems to be a portability nightmare. I think everyone
16643 has ftime(), but I'm really not sure, so I'm including some ifdefs
16644 to use other calls if you don't. Clocks will be less accurate if
16645 you have neither ftime nor gettimeofday.
16648 /* VS 2008 requires the #include outside of the function */
16649 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16650 #include <sys/timeb.h>
16653 /* Get the current time as a TimeMark */
16655 GetTimeMark (TimeMark *tm)
16657 #if HAVE_GETTIMEOFDAY
16659 struct timeval timeVal;
16660 struct timezone timeZone;
16662 gettimeofday(&timeVal, &timeZone);
16663 tm->sec = (long) timeVal.tv_sec;
16664 tm->ms = (int) (timeVal.tv_usec / 1000L);
16666 #else /*!HAVE_GETTIMEOFDAY*/
16669 // include <sys/timeb.h> / moved to just above start of function
16670 struct timeb timeB;
16673 tm->sec = (long) timeB.time;
16674 tm->ms = (int) timeB.millitm;
16676 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16677 tm->sec = (long) time(NULL);
16683 /* Return the difference in milliseconds between two
16684 time marks. We assume the difference will fit in a long!
16687 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16689 return 1000L*(tm2->sec - tm1->sec) +
16690 (long) (tm2->ms - tm1->ms);
16695 * Code to manage the game clocks.
16697 * In tournament play, black starts the clock and then white makes a move.
16698 * We give the human user a slight advantage if he is playing white---the
16699 * clocks don't run until he makes his first move, so it takes zero time.
16700 * Also, we don't account for network lag, so we could get out of sync
16701 * with GNU Chess's clock -- but then, referees are always right.
16704 static TimeMark tickStartTM;
16705 static long intendedTickLength;
16708 NextTickLength (long timeRemaining)
16710 long nominalTickLength, nextTickLength;
16712 if (timeRemaining > 0L && timeRemaining <= 10000L)
16713 nominalTickLength = 100L;
16715 nominalTickLength = 1000L;
16716 nextTickLength = timeRemaining % nominalTickLength;
16717 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16719 return nextTickLength;
16722 /* Adjust clock one minute up or down */
16724 AdjustClock (Boolean which, int dir)
16726 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16727 if(which) blackTimeRemaining += 60000*dir;
16728 else whiteTimeRemaining += 60000*dir;
16729 DisplayBothClocks();
16730 adjustedClock = TRUE;
16733 /* Stop clocks and reset to a fresh time control */
16737 (void) StopClockTimer();
16738 if (appData.icsActive) {
16739 whiteTimeRemaining = blackTimeRemaining = 0;
16740 } else if (searchTime) {
16741 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16742 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16743 } else { /* [HGM] correct new time quote for time odds */
16744 whiteTC = blackTC = fullTimeControlString;
16745 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16746 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16748 if (whiteFlag || blackFlag) {
16750 whiteFlag = blackFlag = FALSE;
16752 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16753 DisplayBothClocks();
16754 adjustedClock = FALSE;
16757 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16759 /* Decrement running clock by amount of time that has passed */
16763 long timeRemaining;
16764 long lastTickLength, fudge;
16767 if (!appData.clockMode) return;
16768 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16772 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16774 /* Fudge if we woke up a little too soon */
16775 fudge = intendedTickLength - lastTickLength;
16776 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16778 if (WhiteOnMove(forwardMostMove)) {
16779 if(whiteNPS >= 0) lastTickLength = 0;
16780 timeRemaining = whiteTimeRemaining -= lastTickLength;
16781 if(timeRemaining < 0 && !appData.icsActive) {
16782 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16783 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16784 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16785 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16788 DisplayWhiteClock(whiteTimeRemaining - fudge,
16789 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16791 if(blackNPS >= 0) lastTickLength = 0;
16792 timeRemaining = blackTimeRemaining -= lastTickLength;
16793 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16794 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16796 blackStartMove = forwardMostMove;
16797 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16800 DisplayBlackClock(blackTimeRemaining - fudge,
16801 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16803 if (CheckFlags()) return;
16805 if(twoBoards) { // count down secondary board's clocks as well
16806 activePartnerTime -= lastTickLength;
16808 if(activePartner == 'W')
16809 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16811 DisplayBlackClock(activePartnerTime, TRUE);
16816 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16817 StartClockTimer(intendedTickLength);
16819 /* if the time remaining has fallen below the alarm threshold, sound the
16820 * alarm. if the alarm has sounded and (due to a takeback or time control
16821 * with increment) the time remaining has increased to a level above the
16822 * threshold, reset the alarm so it can sound again.
16825 if (appData.icsActive && appData.icsAlarm) {
16827 /* make sure we are dealing with the user's clock */
16828 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16829 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16832 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16833 alarmSounded = FALSE;
16834 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16836 alarmSounded = TRUE;
16842 /* A player has just moved, so stop the previously running
16843 clock and (if in clock mode) start the other one.
16844 We redisplay both clocks in case we're in ICS mode, because
16845 ICS gives us an update to both clocks after every move.
16846 Note that this routine is called *after* forwardMostMove
16847 is updated, so the last fractional tick must be subtracted
16848 from the color that is *not* on move now.
16851 SwitchClocks (int newMoveNr)
16853 long lastTickLength;
16855 int flagged = FALSE;
16859 if (StopClockTimer() && appData.clockMode) {
16860 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16861 if (!WhiteOnMove(forwardMostMove)) {
16862 if(blackNPS >= 0) lastTickLength = 0;
16863 blackTimeRemaining -= lastTickLength;
16864 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16865 // if(pvInfoList[forwardMostMove].time == -1)
16866 pvInfoList[forwardMostMove].time = // use GUI time
16867 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16869 if(whiteNPS >= 0) lastTickLength = 0;
16870 whiteTimeRemaining -= lastTickLength;
16871 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16872 // if(pvInfoList[forwardMostMove].time == -1)
16873 pvInfoList[forwardMostMove].time =
16874 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16876 flagged = CheckFlags();
16878 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16879 CheckTimeControl();
16881 if (flagged || !appData.clockMode) return;
16883 switch (gameMode) {
16884 case MachinePlaysBlack:
16885 case MachinePlaysWhite:
16886 case BeginningOfGame:
16887 if (pausing) return;
16891 case PlayFromGameFile:
16899 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16900 if(WhiteOnMove(forwardMostMove))
16901 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16902 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16906 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16907 whiteTimeRemaining : blackTimeRemaining);
16908 StartClockTimer(intendedTickLength);
16912 /* Stop both clocks */
16916 long lastTickLength;
16919 if (!StopClockTimer()) return;
16920 if (!appData.clockMode) return;
16924 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16925 if (WhiteOnMove(forwardMostMove)) {
16926 if(whiteNPS >= 0) lastTickLength = 0;
16927 whiteTimeRemaining -= lastTickLength;
16928 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16930 if(blackNPS >= 0) lastTickLength = 0;
16931 blackTimeRemaining -= lastTickLength;
16932 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16937 /* Start clock of player on move. Time may have been reset, so
16938 if clock is already running, stop and restart it. */
16942 (void) StopClockTimer(); /* in case it was running already */
16943 DisplayBothClocks();
16944 if (CheckFlags()) return;
16946 if (!appData.clockMode) return;
16947 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16949 GetTimeMark(&tickStartTM);
16950 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16951 whiteTimeRemaining : blackTimeRemaining);
16953 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16954 whiteNPS = blackNPS = -1;
16955 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16956 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16957 whiteNPS = first.nps;
16958 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16959 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16960 blackNPS = first.nps;
16961 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16962 whiteNPS = second.nps;
16963 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16964 blackNPS = second.nps;
16965 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16967 StartClockTimer(intendedTickLength);
16971 TimeString (long ms)
16973 long second, minute, hour, day;
16975 static char buf[32];
16977 if (ms > 0 && ms <= 9900) {
16978 /* convert milliseconds to tenths, rounding up */
16979 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16981 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16985 /* convert milliseconds to seconds, rounding up */
16986 /* use floating point to avoid strangeness of integer division
16987 with negative dividends on many machines */
16988 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16995 day = second / (60 * 60 * 24);
16996 second = second % (60 * 60 * 24);
16997 hour = second / (60 * 60);
16998 second = second % (60 * 60);
16999 minute = second / 60;
17000 second = second % 60;
17003 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17004 sign, day, hour, minute, second);
17006 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17008 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17015 * This is necessary because some C libraries aren't ANSI C compliant yet.
17018 StrStr (char *string, char *match)
17022 length = strlen(match);
17024 for (i = strlen(string) - length; i >= 0; i--, string++)
17025 if (!strncmp(match, string, length))
17032 StrCaseStr (char *string, char *match)
17036 length = strlen(match);
17038 for (i = strlen(string) - length; i >= 0; i--, string++) {
17039 for (j = 0; j < length; j++) {
17040 if (ToLower(match[j]) != ToLower(string[j]))
17043 if (j == length) return string;
17051 StrCaseCmp (char *s1, char *s2)
17056 c1 = ToLower(*s1++);
17057 c2 = ToLower(*s2++);
17058 if (c1 > c2) return 1;
17059 if (c1 < c2) return -1;
17060 if (c1 == NULLCHAR) return 0;
17068 return isupper(c) ? tolower(c) : c;
17075 return islower(c) ? toupper(c) : c;
17077 #endif /* !_amigados */
17084 if ((ret = (char *) malloc(strlen(s) + 1)))
17086 safeStrCpy(ret, s, strlen(s)+1);
17092 StrSavePtr (char *s, char **savePtr)
17097 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17098 safeStrCpy(*savePtr, s, strlen(s)+1);
17110 clock = time((time_t *)NULL);
17111 tm = localtime(&clock);
17112 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17113 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17114 return StrSave(buf);
17119 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17121 int i, j, fromX, fromY, toX, toY;
17128 whiteToPlay = (gameMode == EditPosition) ?
17129 !blackPlaysFirst : (move % 2 == 0);
17132 /* Piece placement data */
17133 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17134 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17136 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17137 if (boards[move][i][j] == EmptySquare) {
17139 } else { ChessSquare piece = boards[move][i][j];
17140 if (emptycount > 0) {
17141 if(emptycount<10) /* [HGM] can be >= 10 */
17142 *p++ = '0' + emptycount;
17143 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17146 if(PieceToChar(piece) == '+') {
17147 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17149 piece = (ChessSquare)(DEMOTED piece);
17151 *p++ = PieceToChar(piece);
17153 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17154 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17159 if (emptycount > 0) {
17160 if(emptycount<10) /* [HGM] can be >= 10 */
17161 *p++ = '0' + emptycount;
17162 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17169 /* [HGM] print Crazyhouse or Shogi holdings */
17170 if( gameInfo.holdingsWidth ) {
17171 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17173 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17174 piece = boards[move][i][BOARD_WIDTH-1];
17175 if( piece != EmptySquare )
17176 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17177 *p++ = PieceToChar(piece);
17179 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17180 piece = boards[move][BOARD_HEIGHT-i-1][0];
17181 if( piece != EmptySquare )
17182 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17183 *p++ = PieceToChar(piece);
17186 if( q == p ) *p++ = '-';
17192 *p++ = whiteToPlay ? 'w' : 'b';
17195 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17196 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17198 if(nrCastlingRights) {
17200 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17201 /* [HGM] write directly from rights */
17202 if(boards[move][CASTLING][2] != NoRights &&
17203 boards[move][CASTLING][0] != NoRights )
17204 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17205 if(boards[move][CASTLING][2] != NoRights &&
17206 boards[move][CASTLING][1] != NoRights )
17207 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17208 if(boards[move][CASTLING][5] != NoRights &&
17209 boards[move][CASTLING][3] != NoRights )
17210 *p++ = boards[move][CASTLING][3] + AAA;
17211 if(boards[move][CASTLING][5] != NoRights &&
17212 boards[move][CASTLING][4] != NoRights )
17213 *p++ = boards[move][CASTLING][4] + AAA;
17216 /* [HGM] write true castling rights */
17217 if( nrCastlingRights == 6 ) {
17219 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17220 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17221 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17222 boards[move][CASTLING][2] != NoRights );
17223 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17224 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17225 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17226 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17227 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17231 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17232 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17233 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17234 boards[move][CASTLING][5] != NoRights );
17235 if(gameInfo.variant == VariantSChess) {
17236 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17237 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17238 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17239 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17244 if (q == p) *p++ = '-'; /* No castling rights */
17248 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17249 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17250 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17251 /* En passant target square */
17252 if (move > backwardMostMove) {
17253 fromX = moveList[move - 1][0] - AAA;
17254 fromY = moveList[move - 1][1] - ONE;
17255 toX = moveList[move - 1][2] - AAA;
17256 toY = moveList[move - 1][3] - ONE;
17257 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17258 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17259 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17261 /* 2-square pawn move just happened */
17263 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17267 } else if(move == backwardMostMove) {
17268 // [HGM] perhaps we should always do it like this, and forget the above?
17269 if((signed char)boards[move][EP_STATUS] >= 0) {
17270 *p++ = boards[move][EP_STATUS] + AAA;
17271 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17283 { int i = 0, j=move;
17285 /* [HGM] find reversible plies */
17286 if (appData.debugMode) { int k;
17287 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17288 for(k=backwardMostMove; k<=forwardMostMove; k++)
17289 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17293 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17294 if( j == backwardMostMove ) i += initialRulePlies;
17295 sprintf(p, "%d ", i);
17296 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17298 /* Fullmove number */
17299 sprintf(p, "%d", (move / 2) + 1);
17300 } else *--p = NULLCHAR;
17302 return StrSave(buf);
17306 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17310 int emptycount, virgin[BOARD_FILES];
17315 /* [HGM] by default clear Crazyhouse holdings, if present */
17316 if(gameInfo.holdingsWidth) {
17317 for(i=0; i<BOARD_HEIGHT; i++) {
17318 board[i][0] = EmptySquare; /* black holdings */
17319 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17320 board[i][1] = (ChessSquare) 0; /* black counts */
17321 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17325 /* Piece placement data */
17326 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17329 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17330 if (*p == '/') p++;
17331 emptycount = gameInfo.boardWidth - j;
17332 while (emptycount--)
17333 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17335 #if(BOARD_FILES >= 10)
17336 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17337 p++; emptycount=10;
17338 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17339 while (emptycount--)
17340 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17342 } else if (isdigit(*p)) {
17343 emptycount = *p++ - '0';
17344 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17345 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17346 while (emptycount--)
17347 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17348 } else if (*p == '+' || isalpha(*p)) {
17349 if (j >= gameInfo.boardWidth) return FALSE;
17351 piece = CharToPiece(*++p);
17352 if(piece == EmptySquare) return FALSE; /* unknown piece */
17353 piece = (ChessSquare) (PROMOTED piece ); p++;
17354 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17355 } else piece = CharToPiece(*p++);
17357 if(piece==EmptySquare) return FALSE; /* unknown piece */
17358 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17359 piece = (ChessSquare) (PROMOTED piece);
17360 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17363 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17369 while (*p == '/' || *p == ' ') p++;
17371 /* [HGM] look for Crazyhouse holdings here */
17372 while(*p==' ') p++;
17373 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17375 if(*p == '-' ) p++; /* empty holdings */ else {
17376 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17377 /* if we would allow FEN reading to set board size, we would */
17378 /* have to add holdings and shift the board read so far here */
17379 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17381 if((int) piece >= (int) BlackPawn ) {
17382 i = (int)piece - (int)BlackPawn;
17383 i = PieceToNumber((ChessSquare)i);
17384 if( i >= gameInfo.holdingsSize ) return FALSE;
17385 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17386 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17388 i = (int)piece - (int)WhitePawn;
17389 i = PieceToNumber((ChessSquare)i);
17390 if( i >= gameInfo.holdingsSize ) return FALSE;
17391 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17392 board[i][BOARD_WIDTH-2]++; /* black holdings */
17399 while(*p == ' ') p++;
17403 if(appData.colorNickNames) {
17404 if( c == appData.colorNickNames[0] ) c = 'w'; else
17405 if( c == appData.colorNickNames[1] ) c = 'b';
17409 *blackPlaysFirst = FALSE;
17412 *blackPlaysFirst = TRUE;
17418 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17419 /* return the extra info in global variiables */
17421 /* set defaults in case FEN is incomplete */
17422 board[EP_STATUS] = EP_UNKNOWN;
17423 for(i=0; i<nrCastlingRights; i++ ) {
17424 board[CASTLING][i] =
17425 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17426 } /* assume possible unless obviously impossible */
17427 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17428 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17429 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17430 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17431 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17432 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17433 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17434 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17437 while(*p==' ') p++;
17438 if(nrCastlingRights) {
17439 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17440 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17441 /* castling indicator present, so default becomes no castlings */
17442 for(i=0; i<nrCastlingRights; i++ ) {
17443 board[CASTLING][i] = NoRights;
17446 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17447 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17448 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17449 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17450 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17452 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17453 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17454 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17456 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17457 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17458 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17459 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17460 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17461 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17464 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17465 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17466 board[CASTLING][2] = whiteKingFile;
17467 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17468 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17471 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17472 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17473 board[CASTLING][2] = whiteKingFile;
17474 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17475 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17478 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17479 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17480 board[CASTLING][5] = blackKingFile;
17481 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17482 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17485 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17486 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17487 board[CASTLING][5] = blackKingFile;
17488 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17489 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17492 default: /* FRC castlings */
17493 if(c >= 'a') { /* black rights */
17494 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17495 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17496 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17497 if(i == BOARD_RGHT) break;
17498 board[CASTLING][5] = i;
17500 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17501 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17503 board[CASTLING][3] = c;
17505 board[CASTLING][4] = c;
17506 } else { /* white rights */
17507 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17508 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17509 if(board[0][i] == WhiteKing) break;
17510 if(i == BOARD_RGHT) break;
17511 board[CASTLING][2] = i;
17512 c -= AAA - 'a' + 'A';
17513 if(board[0][c] >= WhiteKing) break;
17515 board[CASTLING][0] = c;
17517 board[CASTLING][1] = c;
17521 for(i=0; i<nrCastlingRights; i++)
17522 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17523 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17524 if (appData.debugMode) {
17525 fprintf(debugFP, "FEN castling rights:");
17526 for(i=0; i<nrCastlingRights; i++)
17527 fprintf(debugFP, " %d", board[CASTLING][i]);
17528 fprintf(debugFP, "\n");
17531 while(*p==' ') p++;
17534 /* read e.p. field in games that know e.p. capture */
17535 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17536 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17537 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17539 p++; board[EP_STATUS] = EP_NONE;
17541 char c = *p++ - AAA;
17543 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17544 if(*p >= '0' && *p <='9') p++;
17545 board[EP_STATUS] = c;
17550 if(sscanf(p, "%d", &i) == 1) {
17551 FENrulePlies = i; /* 50-move ply counter */
17552 /* (The move number is still ignored) */
17559 EditPositionPasteFEN (char *fen)
17562 Board initial_position;
17564 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17565 DisplayError(_("Bad FEN position in clipboard"), 0);
17568 int savedBlackPlaysFirst = blackPlaysFirst;
17569 EditPositionEvent();
17570 blackPlaysFirst = savedBlackPlaysFirst;
17571 CopyBoard(boards[0], initial_position);
17572 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17573 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17574 DisplayBothClocks();
17575 DrawPosition(FALSE, boards[currentMove]);
17580 static char cseq[12] = "\\ ";
17583 set_cont_sequence (char *new_seq)
17588 // handle bad attempts to set the sequence
17590 return 0; // acceptable error - no debug
17592 len = strlen(new_seq);
17593 ret = (len > 0) && (len < sizeof(cseq));
17595 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17596 else if (appData.debugMode)
17597 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17602 reformat a source message so words don't cross the width boundary. internal
17603 newlines are not removed. returns the wrapped size (no null character unless
17604 included in source message). If dest is NULL, only calculate the size required
17605 for the dest buffer. lp argument indicats line position upon entry, and it's
17606 passed back upon exit.
17609 wrap (char *dest, char *src, int count, int width, int *lp)
17611 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17613 cseq_len = strlen(cseq);
17614 old_line = line = *lp;
17615 ansi = len = clen = 0;
17617 for (i=0; i < count; i++)
17619 if (src[i] == '\033')
17622 // if we hit the width, back up
17623 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17625 // store i & len in case the word is too long
17626 old_i = i, old_len = len;
17628 // find the end of the last word
17629 while (i && src[i] != ' ' && src[i] != '\n')
17635 // word too long? restore i & len before splitting it
17636 if ((old_i-i+clen) >= width)
17643 if (i && src[i-1] == ' ')
17646 if (src[i] != ' ' && src[i] != '\n')
17653 // now append the newline and continuation sequence
17658 strncpy(dest+len, cseq, cseq_len);
17666 dest[len] = src[i];
17670 if (src[i] == '\n')
17675 if (dest && appData.debugMode)
17677 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17678 count, width, line, len, *lp);
17679 show_bytes(debugFP, src, count);
17680 fprintf(debugFP, "\ndest: ");
17681 show_bytes(debugFP, dest, len);
17682 fprintf(debugFP, "\n");
17684 *lp = dest ? line : old_line;
17689 // [HGM] vari: routines for shelving variations
17690 Boolean modeRestore = FALSE;
17693 PushInner (int firstMove, int lastMove)
17695 int i, j, nrMoves = lastMove - firstMove;
17697 // push current tail of game on stack
17698 savedResult[storedGames] = gameInfo.result;
17699 savedDetails[storedGames] = gameInfo.resultDetails;
17700 gameInfo.resultDetails = NULL;
17701 savedFirst[storedGames] = firstMove;
17702 savedLast [storedGames] = lastMove;
17703 savedFramePtr[storedGames] = framePtr;
17704 framePtr -= nrMoves; // reserve space for the boards
17705 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17706 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17707 for(j=0; j<MOVE_LEN; j++)
17708 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17709 for(j=0; j<2*MOVE_LEN; j++)
17710 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17711 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17712 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17713 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17714 pvInfoList[firstMove+i-1].depth = 0;
17715 commentList[framePtr+i] = commentList[firstMove+i];
17716 commentList[firstMove+i] = NULL;
17720 forwardMostMove = firstMove; // truncate game so we can start variation
17724 PushTail (int firstMove, int lastMove)
17726 if(appData.icsActive) { // only in local mode
17727 forwardMostMove = currentMove; // mimic old ICS behavior
17730 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17732 PushInner(firstMove, lastMove);
17733 if(storedGames == 1) GreyRevert(FALSE);
17734 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17738 PopInner (Boolean annotate)
17741 char buf[8000], moveBuf[20];
17743 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17744 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17745 nrMoves = savedLast[storedGames] - currentMove;
17748 if(!WhiteOnMove(currentMove))
17749 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17750 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17751 for(i=currentMove; i<forwardMostMove; i++) {
17753 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17754 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17755 strcat(buf, moveBuf);
17756 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17757 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17761 for(i=1; i<=nrMoves; i++) { // copy last variation back
17762 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17763 for(j=0; j<MOVE_LEN; j++)
17764 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17765 for(j=0; j<2*MOVE_LEN; j++)
17766 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17767 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17768 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17769 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17770 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17771 commentList[currentMove+i] = commentList[framePtr+i];
17772 commentList[framePtr+i] = NULL;
17774 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17775 framePtr = savedFramePtr[storedGames];
17776 gameInfo.result = savedResult[storedGames];
17777 if(gameInfo.resultDetails != NULL) {
17778 free(gameInfo.resultDetails);
17780 gameInfo.resultDetails = savedDetails[storedGames];
17781 forwardMostMove = currentMove + nrMoves;
17785 PopTail (Boolean annotate)
17787 if(appData.icsActive) return FALSE; // only in local mode
17788 if(!storedGames) return FALSE; // sanity
17789 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17791 PopInner(annotate);
17792 if(currentMove < forwardMostMove) ForwardEvent(); else
17793 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17795 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17801 { // remove all shelved variations
17803 for(i=0; i<storedGames; i++) {
17804 if(savedDetails[i])
17805 free(savedDetails[i]);
17806 savedDetails[i] = NULL;
17808 for(i=framePtr; i<MAX_MOVES; i++) {
17809 if(commentList[i]) free(commentList[i]);
17810 commentList[i] = NULL;
17812 framePtr = MAX_MOVES-1;
17817 LoadVariation (int index, char *text)
17818 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17819 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17820 int level = 0, move;
17822 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17823 // first find outermost bracketing variation
17824 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17825 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17826 if(*p == '{') wait = '}'; else
17827 if(*p == '[') wait = ']'; else
17828 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17829 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17831 if(*p == wait) wait = NULLCHAR; // closing ]} found
17834 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17835 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17836 end[1] = NULLCHAR; // clip off comment beyond variation
17837 ToNrEvent(currentMove-1);
17838 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17839 // kludge: use ParsePV() to append variation to game
17840 move = currentMove;
17841 ParsePV(start, TRUE, TRUE);
17842 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17843 ClearPremoveHighlights();
17845 ToNrEvent(currentMove+1);
17851 char *p, *q, buf[MSG_SIZ];
17852 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17853 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17854 ParseArgsFromString(buf);
17855 ActivateTheme(TRUE); // also redo colors
17859 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17862 q = appData.themeNames;
17863 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17864 if(appData.useBitmaps) {
17865 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17866 appData.liteBackTextureFile, appData.darkBackTextureFile,
17867 appData.liteBackTextureMode,
17868 appData.darkBackTextureMode );
17870 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17871 Col2Text(2), // lightSquareColor
17872 Col2Text(3) ); // darkSquareColor
17874 if(appData.useBorder) {
17875 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17878 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17880 if(appData.useFont) {
17881 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17882 appData.renderPiecesWithFont,
17883 appData.fontToPieceTable,
17884 Col2Text(9), // appData.fontBackColorWhite
17885 Col2Text(10) ); // appData.fontForeColorBlack
17887 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17888 appData.pieceDirectory);
17889 if(!appData.pieceDirectory[0])
17890 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17891 Col2Text(0), // whitePieceColor
17892 Col2Text(1) ); // blackPieceColor
17894 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17895 Col2Text(4), // highlightSquareColor
17896 Col2Text(5) ); // premoveHighlightColor
17897 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17898 if(insert != q) insert[-1] = NULLCHAR;
17899 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17902 ActivateTheme(FALSE);