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++) marker[r][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 == 'R') marker[r][f++] = 2; else {
7034 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7037 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7041 DrawPosition(TRUE, NULL);
7045 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7047 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7048 Markers *m = (Markers *) closure;
7049 if(rf == fromY && ff == fromX)
7050 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7051 || kind == WhiteCapturesEnPassant
7052 || kind == BlackCapturesEnPassant);
7053 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7057 MarkTargetSquares (int clear)
7060 if(clear) { // no reason to ever suppress clearing
7061 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7062 if(!sum) return; // nothing was cleared,no redraw needed
7065 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7066 !appData.testLegality || gameMode == EditPosition) return;
7067 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7068 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7069 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7071 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7074 DrawPosition(FALSE, NULL);
7078 Explode (Board board, int fromX, int fromY, int toX, int toY)
7080 if(gameInfo.variant == VariantAtomic &&
7081 (board[toY][toX] != EmptySquare || // capture?
7082 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7083 board[fromY][fromX] == BlackPawn )
7085 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7091 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7094 CanPromote (ChessSquare piece, int y)
7096 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7097 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7098 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7099 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7100 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7101 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7102 return (piece == BlackPawn && y == 1 ||
7103 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7104 piece == BlackLance && y == 1 ||
7105 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7108 void ReportClick(char *action, int x, int y)
7110 char buf[MSG_SIZ]; // Inform engine of what user does
7112 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square
7113 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1;
7114 if(!first.highlight || gameMode == EditPosition) return;
7115 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7116 SendToProgram(buf, &first);
7120 LeftClick (ClickType clickType, int xPix, int yPix)
7123 Boolean saveAnimate;
7124 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7125 char promoChoice = NULLCHAR;
7127 static TimeMark lastClickTime, prevClickTime;
7129 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7131 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7133 if (clickType == Press) ErrorPopDown();
7135 x = EventToSquare(xPix, BOARD_WIDTH);
7136 y = EventToSquare(yPix, BOARD_HEIGHT);
7137 if (!flipView && y >= 0) {
7138 y = BOARD_HEIGHT - 1 - y;
7140 if (flipView && x >= 0) {
7141 x = BOARD_WIDTH - 1 - x;
7144 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7145 defaultPromoChoice = promoSweep;
7146 promoSweep = EmptySquare; // terminate sweep
7147 promoDefaultAltered = TRUE;
7148 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7151 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7152 if(clickType == Release) return; // ignore upclick of click-click destination
7153 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7154 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7155 if(gameInfo.holdingsWidth &&
7156 (WhiteOnMove(currentMove)
7157 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7158 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7159 // click in right holdings, for determining promotion piece
7160 ChessSquare p = boards[currentMove][y][x];
7161 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7162 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7163 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7164 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7169 DrawPosition(FALSE, boards[currentMove]);
7173 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7174 if(clickType == Press
7175 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7176 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7177 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7180 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7181 // could be static click on premove from-square: abort premove
7183 ClearPremoveHighlights();
7186 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7187 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7189 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7190 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7191 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7192 defaultPromoChoice = DefaultPromoChoice(side);
7195 autoQueen = appData.alwaysPromoteToQueen;
7199 gatingPiece = EmptySquare;
7200 if (clickType != Press) {
7201 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7202 DragPieceEnd(xPix, yPix); dragging = 0;
7203 DrawPosition(FALSE, NULL);
7207 doubleClick = FALSE;
7208 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7209 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7211 fromX = x; fromY = y; toX = toY = -1;
7212 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7213 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7214 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7216 if (OKToStartUserMove(fromX, fromY)) {
7218 ReportClick("lift", x, y);
7219 MarkTargetSquares(0);
7220 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7221 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7222 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7223 promoSweep = defaultPromoChoice;
7224 selectFlag = 0; lastX = xPix; lastY = yPix;
7225 Sweep(0); // Pawn that is going to promote: preview promotion piece
7226 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7228 if (appData.highlightDragging) {
7229 SetHighlights(fromX, fromY, -1, -1);
7233 } else fromX = fromY = -1;
7239 if (clickType == Press && gameMode != EditPosition) {
7244 // ignore off-board to clicks
7245 if(y < 0 || x < 0) return;
7247 /* Check if clicking again on the same color piece */
7248 fromP = boards[currentMove][fromY][fromX];
7249 toP = boards[currentMove][y][x];
7250 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7251 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7252 WhitePawn <= toP && toP <= WhiteKing &&
7253 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7254 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7255 (BlackPawn <= fromP && fromP <= BlackKing &&
7256 BlackPawn <= toP && toP <= BlackKing &&
7257 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7258 !(fromP == BlackKing && toP == BlackRook && frc))) {
7259 /* Clicked again on same color piece -- changed his mind */
7260 second = (x == fromX && y == fromY);
7261 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7262 second = FALSE; // first double-click rather than scond click
7263 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7265 promoDefaultAltered = FALSE;
7266 MarkTargetSquares(1);
7267 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7268 if (appData.highlightDragging) {
7269 SetHighlights(x, y, -1, -1);
7273 if (OKToStartUserMove(x, y)) {
7274 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7275 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7276 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7277 gatingPiece = boards[currentMove][fromY][fromX];
7278 else gatingPiece = doubleClick ? fromP : EmptySquare;
7280 fromY = y; dragging = 1;
7281 ReportClick("lift", x, y);
7282 MarkTargetSquares(0);
7283 DragPieceBegin(xPix, yPix, FALSE);
7284 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7285 promoSweep = defaultPromoChoice;
7286 selectFlag = 0; lastX = xPix; lastY = yPix;
7287 Sweep(0); // Pawn that is going to promote: preview promotion piece
7291 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7294 // ignore clicks on holdings
7295 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7298 if (clickType == Release && x == fromX && y == fromY) {
7299 DragPieceEnd(xPix, yPix); dragging = 0;
7301 // a deferred attempt to click-click move an empty square on top of a piece
7302 boards[currentMove][y][x] = EmptySquare;
7304 DrawPosition(FALSE, boards[currentMove]);
7305 fromX = fromY = -1; clearFlag = 0;
7308 if (appData.animateDragging) {
7309 /* Undo animation damage if any */
7310 DrawPosition(FALSE, NULL);
7312 if (second || sweepSelecting) {
7313 /* Second up/down in same square; just abort move */
7314 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7315 second = sweepSelecting = 0;
7317 gatingPiece = EmptySquare;
7318 MarkTargetSquares(1);
7321 ClearPremoveHighlights();
7323 /* First upclick in same square; start click-click mode */
7324 SetHighlights(x, y, -1, -1);
7331 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x]) {
7332 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7333 DisplayMessage(_("only marked squares are legal"),"");
7334 DrawPosition(TRUE, NULL);
7335 return; // ignore to-click
7338 /* we now have a different from- and (possibly off-board) to-square */
7339 /* Completed move */
7340 if(!sweepSelecting) {
7343 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7345 saveAnimate = appData.animate;
7346 if (clickType == Press) {
7347 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7348 // must be Edit Position mode with empty-square selected
7349 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7350 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7353 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7354 if(appData.sweepSelect) {
7355 ChessSquare piece = boards[currentMove][fromY][fromX];
7356 promoSweep = defaultPromoChoice;
7357 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7358 selectFlag = 0; lastX = xPix; lastY = yPix;
7359 Sweep(0); // Pawn that is going to promote: preview promotion piece
7361 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7362 MarkTargetSquares(1);
7364 return; // promo popup appears on up-click
7366 /* Finish clickclick move */
7367 if (appData.animate || appData.highlightLastMove) {
7368 SetHighlights(fromX, fromY, toX, toY);
7374 // [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
7375 /* Finish drag move */
7376 if (appData.highlightLastMove) {
7377 SetHighlights(fromX, fromY, toX, toY);
7382 DragPieceEnd(xPix, yPix); dragging = 0;
7383 /* Don't animate move and drag both */
7384 appData.animate = FALSE;
7387 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7388 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7389 ChessSquare piece = boards[currentMove][fromY][fromX];
7390 if(gameMode == EditPosition && piece != EmptySquare &&
7391 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7394 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7395 n = PieceToNumber(piece - (int)BlackPawn);
7396 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7397 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7398 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7400 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7401 n = PieceToNumber(piece);
7402 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7403 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7404 boards[currentMove][n][BOARD_WIDTH-2]++;
7406 boards[currentMove][fromY][fromX] = EmptySquare;
7410 MarkTargetSquares(1);
7411 DrawPosition(TRUE, boards[currentMove]);
7415 // off-board moves should not be highlighted
7416 if(x < 0 || y < 0) ClearHighlights();
7417 else ReportClick("put", x, y);
7419 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7421 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7422 SetHighlights(fromX, fromY, toX, toY);
7423 MarkTargetSquares(1);
7424 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7425 // [HGM] super: promotion to captured piece selected from holdings
7426 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7427 promotionChoice = TRUE;
7428 // kludge follows to temporarily execute move on display, without promoting yet
7429 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7430 boards[currentMove][toY][toX] = p;
7431 DrawPosition(FALSE, boards[currentMove]);
7432 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7433 boards[currentMove][toY][toX] = q;
7434 DisplayMessage("Click in holdings to choose piece", "");
7439 int oldMove = currentMove;
7440 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7441 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7442 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7443 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7444 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7445 DrawPosition(TRUE, boards[currentMove]);
7446 MarkTargetSquares(1);
7449 appData.animate = saveAnimate;
7450 if (appData.animate || appData.animateDragging) {
7451 /* Undo animation damage if needed */
7452 DrawPosition(FALSE, NULL);
7457 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7458 { // front-end-free part taken out of PieceMenuPopup
7459 int whichMenu; int xSqr, ySqr;
7461 if(seekGraphUp) { // [HGM] seekgraph
7462 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7463 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7467 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7468 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7469 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7470 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7471 if(action == Press) {
7472 originalFlip = flipView;
7473 flipView = !flipView; // temporarily flip board to see game from partners perspective
7474 DrawPosition(TRUE, partnerBoard);
7475 DisplayMessage(partnerStatus, "");
7477 } else if(action == Release) {
7478 flipView = originalFlip;
7479 DrawPosition(TRUE, boards[currentMove]);
7485 xSqr = EventToSquare(x, BOARD_WIDTH);
7486 ySqr = EventToSquare(y, BOARD_HEIGHT);
7487 if (action == Release) {
7488 if(pieceSweep != EmptySquare) {
7489 EditPositionMenuEvent(pieceSweep, toX, toY);
7490 pieceSweep = EmptySquare;
7491 } else UnLoadPV(); // [HGM] pv
7493 if (action != Press) return -2; // return code to be ignored
7496 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7498 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7499 if (xSqr < 0 || ySqr < 0) return -1;
7500 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7501 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7502 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7503 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7507 if(!appData.icsEngineAnalyze) return -1;
7508 case IcsPlayingWhite:
7509 case IcsPlayingBlack:
7510 if(!appData.zippyPlay) goto noZip;
7513 case MachinePlaysWhite:
7514 case MachinePlaysBlack:
7515 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7516 if (!appData.dropMenu) {
7518 return 2; // flag front-end to grab mouse events
7520 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7521 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7524 if (xSqr < 0 || ySqr < 0) return -1;
7525 if (!appData.dropMenu || appData.testLegality &&
7526 gameInfo.variant != VariantBughouse &&
7527 gameInfo.variant != VariantCrazyhouse) return -1;
7528 whichMenu = 1; // drop menu
7534 if (((*fromX = xSqr) < 0) ||
7535 ((*fromY = ySqr) < 0)) {
7536 *fromX = *fromY = -1;
7540 *fromX = BOARD_WIDTH - 1 - *fromX;
7542 *fromY = BOARD_HEIGHT - 1 - *fromY;
7548 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7550 // char * hint = lastHint;
7551 FrontEndProgramStats stats;
7553 stats.which = cps == &first ? 0 : 1;
7554 stats.depth = cpstats->depth;
7555 stats.nodes = cpstats->nodes;
7556 stats.score = cpstats->score;
7557 stats.time = cpstats->time;
7558 stats.pv = cpstats->movelist;
7559 stats.hint = lastHint;
7560 stats.an_move_index = 0;
7561 stats.an_move_count = 0;
7563 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7564 stats.hint = cpstats->move_name;
7565 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7566 stats.an_move_count = cpstats->nr_moves;
7569 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
7571 SetProgramStats( &stats );
7575 ClearEngineOutputPane (int which)
7577 static FrontEndProgramStats dummyStats;
7578 dummyStats.which = which;
7579 dummyStats.pv = "#";
7580 SetProgramStats( &dummyStats );
7583 #define MAXPLAYERS 500
7586 TourneyStandings (int display)
7588 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7589 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7590 char result, *p, *names[MAXPLAYERS];
7592 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7593 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7594 names[0] = p = strdup(appData.participants);
7595 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7597 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7599 while(result = appData.results[nr]) {
7600 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7601 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7602 wScore = bScore = 0;
7604 case '+': wScore = 2; break;
7605 case '-': bScore = 2; break;
7606 case '=': wScore = bScore = 1; break;
7608 case '*': return strdup("busy"); // tourney not finished
7616 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7617 for(w=0; w<nPlayers; w++) {
7619 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7620 ranking[w] = b; points[w] = bScore; score[b] = -2;
7622 p = malloc(nPlayers*34+1);
7623 for(w=0; w<nPlayers && w<display; w++)
7624 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7630 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7631 { // count all piece types
7633 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7634 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7635 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7638 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7639 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7640 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7641 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7642 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7643 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7648 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7650 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7651 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7653 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7654 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7655 if(myPawns == 2 && nMine == 3) // KPP
7656 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7657 if(myPawns == 1 && nMine == 2) // KP
7658 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7659 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7660 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7661 if(myPawns) return FALSE;
7662 if(pCnt[WhiteRook+side])
7663 return pCnt[BlackRook-side] ||
7664 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7665 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7666 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7667 if(pCnt[WhiteCannon+side]) {
7668 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7669 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7671 if(pCnt[WhiteKnight+side])
7672 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7677 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7679 VariantClass v = gameInfo.variant;
7681 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7682 if(v == VariantShatranj) return TRUE; // always winnable through baring
7683 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7684 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7686 if(v == VariantXiangqi) {
7687 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7689 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7690 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7691 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7692 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7693 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7694 if(stale) // we have at least one last-rank P plus perhaps C
7695 return majors // KPKX
7696 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7698 return pCnt[WhiteFerz+side] // KCAK
7699 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7700 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7701 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7703 } else if(v == VariantKnightmate) {
7704 if(nMine == 1) return FALSE;
7705 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7706 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7707 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7709 if(nMine == 1) return FALSE; // bare King
7710 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
7711 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7712 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7713 // by now we have King + 1 piece (or multiple Bishops on the same color)
7714 if(pCnt[WhiteKnight+side])
7715 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7716 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7717 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7719 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7720 if(pCnt[WhiteAlfil+side])
7721 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7722 if(pCnt[WhiteWazir+side])
7723 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7730 CompareWithRights (Board b1, Board b2)
7733 if(!CompareBoards(b1, b2)) return FALSE;
7734 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7735 /* compare castling rights */
7736 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7737 rights++; /* King lost rights, while rook still had them */
7738 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7739 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7740 rights++; /* but at least one rook lost them */
7742 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7744 if( b1[CASTLING][5] != NoRights ) {
7745 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7752 Adjudicate (ChessProgramState *cps)
7753 { // [HGM] some adjudications useful with buggy engines
7754 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7755 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7756 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7757 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7758 int k, drop, count = 0; static int bare = 1;
7759 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7760 Boolean canAdjudicate = !appData.icsActive;
7762 // most tests only when we understand the game, i.e. legality-checking on
7763 if( appData.testLegality )
7764 { /* [HGM] Some more adjudications for obstinate engines */
7765 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7766 static int moveCount = 6;
7768 char *reason = NULL;
7770 /* Count what is on board. */
7771 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7773 /* Some material-based adjudications that have to be made before stalemate test */
7774 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7775 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7776 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7777 if(canAdjudicate && appData.checkMates) {
7779 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7780 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7781 "Xboard adjudication: King destroyed", GE_XBOARD );
7786 /* Bare King in Shatranj (loses) or Losers (wins) */
7787 if( nrW == 1 || nrB == 1) {
7788 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7789 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7790 if(canAdjudicate && appData.checkMates) {
7792 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7793 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7794 "Xboard adjudication: Bare king", GE_XBOARD );
7798 if( gameInfo.variant == VariantShatranj && --bare < 0)
7800 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7801 if(canAdjudicate && appData.checkMates) {
7802 /* but only adjudicate if adjudication enabled */
7804 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7805 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7806 "Xboard adjudication: Bare king", GE_XBOARD );
7813 // don't wait for engine to announce game end if we can judge ourselves
7814 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7816 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7817 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7818 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7819 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7822 reason = "Xboard adjudication: 3rd check";
7823 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7833 reason = "Xboard adjudication: Stalemate";
7834 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7835 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7836 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7837 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7838 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7839 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7840 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7841 EP_CHECKMATE : EP_WINS);
7842 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7843 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7847 reason = "Xboard adjudication: Checkmate";
7848 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7849 if(gameInfo.variant == VariantShogi) {
7850 if(forwardMostMove > backwardMostMove
7851 && moveList[forwardMostMove-1][1] == '@'
7852 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7853 reason = "XBoard adjudication: pawn-drop mate";
7854 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7860 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7862 result = GameIsDrawn; break;
7864 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7866 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7870 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7872 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7873 GameEnds( result, reason, GE_XBOARD );
7877 /* Next absolutely insufficient mating material. */
7878 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7879 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7880 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7882 /* always flag draws, for judging claims */
7883 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7885 if(canAdjudicate && appData.materialDraws) {
7886 /* but only adjudicate them if adjudication enabled */
7887 if(engineOpponent) {
7888 SendToProgram("force\n", engineOpponent); // suppress reply
7889 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7891 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7896 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7897 if(gameInfo.variant == VariantXiangqi ?
7898 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7900 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7901 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7902 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7903 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7905 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7906 { /* if the first 3 moves do not show a tactical win, declare draw */
7907 if(engineOpponent) {
7908 SendToProgram("force\n", engineOpponent); // suppress reply
7909 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7911 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7914 } else moveCount = 6;
7917 // Repetition draws and 50-move rule can be applied independently of legality testing
7919 /* Check for rep-draws */
7921 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7922 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7923 for(k = forwardMostMove-2;
7924 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7925 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7926 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7929 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7930 /* compare castling rights */
7931 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7932 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7933 rights++; /* King lost rights, while rook still had them */
7934 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7935 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7936 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7937 rights++; /* but at least one rook lost them */
7939 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7940 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7942 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7943 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7944 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7947 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7948 && appData.drawRepeats > 1) {
7949 /* adjudicate after user-specified nr of repeats */
7950 int result = GameIsDrawn;
7951 char *details = "XBoard adjudication: repetition draw";
7952 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7953 // [HGM] xiangqi: check for forbidden perpetuals
7954 int m, ourPerpetual = 1, hisPerpetual = 1;
7955 for(m=forwardMostMove; m>k; m-=2) {
7956 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7957 ourPerpetual = 0; // the current mover did not always check
7958 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7959 hisPerpetual = 0; // the opponent did not always check
7961 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7962 ourPerpetual, hisPerpetual);
7963 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7964 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7965 details = "Xboard adjudication: perpetual checking";
7967 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7968 break; // (or we would have caught him before). Abort repetition-checking loop.
7970 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7971 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7973 details = "Xboard adjudication: repetition";
7975 } else // it must be XQ
7976 // Now check for perpetual chases
7977 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7978 hisPerpetual = PerpetualChase(k, forwardMostMove);
7979 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7980 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7981 static char resdet[MSG_SIZ];
7982 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7984 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7986 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7987 break; // Abort repetition-checking loop.
7989 // if neither of us is checking or chasing all the time, or both are, it is draw
7991 if(engineOpponent) {
7992 SendToProgram("force\n", engineOpponent); // suppress reply
7993 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7995 GameEnds( result, details, GE_XBOARD );
7998 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7999 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8003 /* Now we test for 50-move draws. Determine ply count */
8004 count = forwardMostMove;
8005 /* look for last irreversble move */
8006 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8008 /* if we hit starting position, add initial plies */
8009 if( count == backwardMostMove )
8010 count -= initialRulePlies;
8011 count = forwardMostMove - count;
8012 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8013 // adjust reversible move counter for checks in Xiangqi
8014 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8015 if(i < backwardMostMove) i = backwardMostMove;
8016 while(i <= forwardMostMove) {
8017 lastCheck = inCheck; // check evasion does not count
8018 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8019 if(inCheck || lastCheck) count--; // check does not count
8024 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8025 /* this is used to judge if draw claims are legal */
8026 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8027 if(engineOpponent) {
8028 SendToProgram("force\n", engineOpponent); // suppress reply
8029 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8031 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8035 /* if draw offer is pending, treat it as a draw claim
8036 * when draw condition present, to allow engines a way to
8037 * claim draws before making their move to avoid a race
8038 * condition occurring after their move
8040 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8042 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8043 p = "Draw claim: 50-move rule";
8044 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8045 p = "Draw claim: 3-fold repetition";
8046 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8047 p = "Draw claim: insufficient mating material";
8048 if( p != NULL && canAdjudicate) {
8049 if(engineOpponent) {
8050 SendToProgram("force\n", engineOpponent); // suppress reply
8051 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8053 GameEnds( GameIsDrawn, p, GE_XBOARD );
8058 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8059 if(engineOpponent) {
8060 SendToProgram("force\n", engineOpponent); // suppress reply
8061 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8063 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8070 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8071 { // [HGM] book: this routine intercepts moves to simulate book replies
8072 char *bookHit = NULL;
8074 //first determine if the incoming move brings opponent into his book
8075 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8076 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8077 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8078 if(bookHit != NULL && !cps->bookSuspend) {
8079 // make sure opponent is not going to reply after receiving move to book position
8080 SendToProgram("force\n", cps);
8081 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8083 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8084 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8085 // now arrange restart after book miss
8087 // after a book hit we never send 'go', and the code after the call to this routine
8088 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8089 char buf[MSG_SIZ], *move = bookHit;
8091 int fromX, fromY, toX, toY;
8095 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8096 &fromX, &fromY, &toX, &toY, &promoChar)) {
8097 (void) CoordsToAlgebraic(boards[forwardMostMove],
8098 PosFlags(forwardMostMove),
8099 fromY, fromX, toY, toX, promoChar, move);
8101 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8105 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8106 SendToProgram(buf, cps);
8107 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8108 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8109 SendToProgram("go\n", cps);
8110 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8111 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8112 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8113 SendToProgram("go\n", cps);
8114 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8116 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8120 LoadError (char *errmess, ChessProgramState *cps)
8121 { // unloads engine and switches back to -ncp mode if it was first
8122 if(cps->initDone) return FALSE;
8123 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8124 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8127 appData.noChessProgram = TRUE;
8128 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8129 gameMode = BeginningOfGame; ModeHighlight();
8132 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8133 DisplayMessage("", ""); // erase waiting message
8134 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8139 ChessProgramState *savedState;
8141 DeferredBookMove (void)
8143 if(savedState->lastPing != savedState->lastPong)
8144 ScheduleDelayedEvent(DeferredBookMove, 10);
8146 HandleMachineMove(savedMessage, savedState);
8149 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8150 static ChessProgramState *stalledEngine;
8151 static char stashedInputMove[MSG_SIZ];
8154 HandleMachineMove (char *message, ChessProgramState *cps)
8156 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8157 char realname[MSG_SIZ];
8158 int fromX, fromY, toX, toY;
8162 int machineWhite, oldError;
8165 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8166 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8167 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8168 DisplayError(_("Invalid pairing from pairing engine"), 0);
8171 pairingReceived = 1;
8173 return; // Skim the pairing messages here.
8176 oldError = cps->userError; cps->userError = 0;
8178 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8180 * Kludge to ignore BEL characters
8182 while (*message == '\007') message++;
8185 * [HGM] engine debug message: ignore lines starting with '#' character
8187 if(cps->debug && *message == '#') return;
8190 * Look for book output
8192 if (cps == &first && bookRequested) {
8193 if (message[0] == '\t' || message[0] == ' ') {
8194 /* Part of the book output is here; append it */
8195 strcat(bookOutput, message);
8196 strcat(bookOutput, " \n");
8198 } else if (bookOutput[0] != NULLCHAR) {
8199 /* All of book output has arrived; display it */
8200 char *p = bookOutput;
8201 while (*p != NULLCHAR) {
8202 if (*p == '\t') *p = ' ';
8205 DisplayInformation(bookOutput);
8206 bookRequested = FALSE;
8207 /* Fall through to parse the current output */
8212 * Look for machine move.
8214 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8215 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8217 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8218 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8219 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8220 stalledEngine = cps;
8221 if(appData.ponderNextMove) { // bring opponent out of ponder
8222 if(gameMode == TwoMachinesPlay) {
8223 if(cps->other->pause)
8224 PauseEngine(cps->other);
8226 SendToProgram("easy\n", cps->other);
8233 /* This method is only useful on engines that support ping */
8234 if (cps->lastPing != cps->lastPong) {
8235 if (gameMode == BeginningOfGame) {
8236 /* Extra move from before last new; ignore */
8237 if (appData.debugMode) {
8238 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8241 if (appData.debugMode) {
8242 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8243 cps->which, gameMode);
8246 SendToProgram("undo\n", cps);
8252 case BeginningOfGame:
8253 /* Extra move from before last reset; ignore */
8254 if (appData.debugMode) {
8255 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8262 /* Extra move after we tried to stop. The mode test is
8263 not a reliable way of detecting this problem, but it's
8264 the best we can do on engines that don't support ping.
8266 if (appData.debugMode) {
8267 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8268 cps->which, gameMode);
8270 SendToProgram("undo\n", cps);
8273 case MachinePlaysWhite:
8274 case IcsPlayingWhite:
8275 machineWhite = TRUE;
8278 case MachinePlaysBlack:
8279 case IcsPlayingBlack:
8280 machineWhite = FALSE;
8283 case TwoMachinesPlay:
8284 machineWhite = (cps->twoMachinesColor[0] == 'w');
8287 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8288 if (appData.debugMode) {
8290 "Ignoring move out of turn by %s, gameMode %d"
8291 ", forwardMost %d\n",
8292 cps->which, gameMode, forwardMostMove);
8297 if(cps->alphaRank) AlphaRank(machineMove, 4);
8298 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8299 &fromX, &fromY, &toX, &toY, &promoChar)) {
8300 /* Machine move could not be parsed; ignore it. */
8301 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8302 machineMove, _(cps->which));
8303 DisplayMoveError(buf1);
8304 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8305 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8306 if (gameMode == TwoMachinesPlay) {
8307 GameEnds(machineWhite ? BlackWins : WhiteWins,
8313 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8314 /* So we have to redo legality test with true e.p. status here, */
8315 /* to make sure an illegal e.p. capture does not slip through, */
8316 /* to cause a forfeit on a justified illegal-move complaint */
8317 /* of the opponent. */
8318 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8320 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8321 fromY, fromX, toY, toX, promoChar);
8322 if(moveType == IllegalMove) {
8323 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8324 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8325 GameEnds(machineWhite ? BlackWins : WhiteWins,
8328 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8329 /* [HGM] Kludge to handle engines that send FRC-style castling
8330 when they shouldn't (like TSCP-Gothic) */
8332 case WhiteASideCastleFR:
8333 case BlackASideCastleFR:
8335 currentMoveString[2]++;
8337 case WhiteHSideCastleFR:
8338 case BlackHSideCastleFR:
8340 currentMoveString[2]--;
8342 default: ; // nothing to do, but suppresses warning of pedantic compilers
8345 hintRequested = FALSE;
8346 lastHint[0] = NULLCHAR;
8347 bookRequested = FALSE;
8348 /* Program may be pondering now */
8349 cps->maybeThinking = TRUE;
8350 if (cps->sendTime == 2) cps->sendTime = 1;
8351 if (cps->offeredDraw) cps->offeredDraw--;
8353 /* [AS] Save move info*/
8354 pvInfoList[ forwardMostMove ].score = programStats.score;
8355 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8356 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8358 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8360 /* Test suites abort the 'game' after one move */
8361 if(*appData.finger) {
8363 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8364 if(!f) f = fopen(appData.finger, "w");
8365 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8366 else { DisplayFatalError("Bad output file", errno, 0); return; }
8368 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8371 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8372 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8375 while( count < adjudicateLossPlies ) {
8376 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8379 score = -score; /* Flip score for winning side */
8382 if( score > adjudicateLossThreshold ) {
8389 if( count >= adjudicateLossPlies ) {
8390 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8392 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8393 "Xboard adjudication",
8400 if(Adjudicate(cps)) {
8401 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8402 return; // [HGM] adjudicate: for all automatic game ends
8406 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8408 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8409 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8411 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8413 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8415 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8416 char buf[3*MSG_SIZ];
8418 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8419 programStats.score / 100.,
8421 programStats.time / 100.,
8422 (unsigned int)programStats.nodes,
8423 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8424 programStats.movelist);
8426 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8431 /* [AS] Clear stats for next move */
8432 ClearProgramStats();
8433 thinkOutput[0] = NULLCHAR;
8434 hiddenThinkOutputState = 0;
8437 if (gameMode == TwoMachinesPlay) {
8438 /* [HGM] relaying draw offers moved to after reception of move */
8439 /* and interpreting offer as claim if it brings draw condition */
8440 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8441 SendToProgram("draw\n", cps->other);
8443 if (cps->other->sendTime) {
8444 SendTimeRemaining(cps->other,
8445 cps->other->twoMachinesColor[0] == 'w');
8447 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8448 if (firstMove && !bookHit) {
8450 if (cps->other->useColors) {
8451 SendToProgram(cps->other->twoMachinesColor, cps->other);
8453 SendToProgram("go\n", cps->other);
8455 cps->other->maybeThinking = TRUE;
8458 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8460 if (!pausing && appData.ringBellAfterMoves) {
8465 * Reenable menu items that were disabled while
8466 * machine was thinking
8468 if (gameMode != TwoMachinesPlay)
8469 SetUserThinkingEnables();
8471 // [HGM] book: after book hit opponent has received move and is now in force mode
8472 // force the book reply into it, and then fake that it outputted this move by jumping
8473 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8475 static char bookMove[MSG_SIZ]; // a bit generous?
8477 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8478 strcat(bookMove, bookHit);
8481 programStats.nodes = programStats.depth = programStats.time =
8482 programStats.score = programStats.got_only_move = 0;
8483 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8485 if(cps->lastPing != cps->lastPong) {
8486 savedMessage = message; // args for deferred call
8488 ScheduleDelayedEvent(DeferredBookMove, 10);
8497 /* Set special modes for chess engines. Later something general
8498 * could be added here; for now there is just one kludge feature,
8499 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8500 * when "xboard" is given as an interactive command.
8502 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8503 cps->useSigint = FALSE;
8504 cps->useSigterm = FALSE;
8506 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8507 ParseFeatures(message+8, cps);
8508 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8511 if (!strncmp(message, "setup ", 6) &&
8512 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8513 ) { // [HGM] allow first engine to define opening position
8514 int dummy, s=6; char buf[MSG_SIZ];
8515 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8516 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8517 if(startedFromSetupPosition) return;
8518 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8519 ParseFEN(boards[0], &dummy, message+s);
8520 DrawPosition(TRUE, boards[0]);
8521 startedFromSetupPosition = TRUE;
8524 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8525 * want this, I was asked to put it in, and obliged.
8527 if (!strncmp(message, "setboard ", 9)) {
8528 Board initial_position;
8530 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8532 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8533 DisplayError(_("Bad FEN received from engine"), 0);
8537 CopyBoard(boards[0], initial_position);
8538 initialRulePlies = FENrulePlies;
8539 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8540 else gameMode = MachinePlaysBlack;
8541 DrawPosition(FALSE, boards[currentMove]);
8547 * Look for communication commands
8549 if (!strncmp(message, "telluser ", 9)) {
8550 if(message[9] == '\\' && message[10] == '\\')
8551 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8553 DisplayNote(message + 9);
8556 if (!strncmp(message, "tellusererror ", 14)) {
8558 if(message[14] == '\\' && message[15] == '\\')
8559 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8561 DisplayError(message + 14, 0);
8564 if (!strncmp(message, "tellopponent ", 13)) {
8565 if (appData.icsActive) {
8567 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8571 DisplayNote(message + 13);
8575 if (!strncmp(message, "tellothers ", 11)) {
8576 if (appData.icsActive) {
8578 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8581 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8584 if (!strncmp(message, "tellall ", 8)) {
8585 if (appData.icsActive) {
8587 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8591 DisplayNote(message + 8);
8595 if (strncmp(message, "warning", 7) == 0) {
8596 /* Undocumented feature, use tellusererror in new code */
8597 DisplayError(message, 0);
8600 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8601 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8602 strcat(realname, " query");
8603 AskQuestion(realname, buf2, buf1, cps->pr);
8606 /* Commands from the engine directly to ICS. We don't allow these to be
8607 * sent until we are logged on. Crafty kibitzes have been known to
8608 * interfere with the login process.
8611 if (!strncmp(message, "tellics ", 8)) {
8612 SendToICS(message + 8);
8616 if (!strncmp(message, "tellicsnoalias ", 15)) {
8617 SendToICS(ics_prefix);
8618 SendToICS(message + 15);
8622 /* The following are for backward compatibility only */
8623 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8624 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8625 SendToICS(ics_prefix);
8631 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8634 if(!strncmp(message, "highlight ", 10)) {
8635 if(appData.testLegality && appData.markers) return;
8636 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8640 * If the move is illegal, cancel it and redraw the board.
8641 * Also deal with other error cases. Matching is rather loose
8642 * here to accommodate engines written before the spec.
8644 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8645 strncmp(message, "Error", 5) == 0) {
8646 if (StrStr(message, "name") ||
8647 StrStr(message, "rating") || StrStr(message, "?") ||
8648 StrStr(message, "result") || StrStr(message, "board") ||
8649 StrStr(message, "bk") || StrStr(message, "computer") ||
8650 StrStr(message, "variant") || StrStr(message, "hint") ||
8651 StrStr(message, "random") || StrStr(message, "depth") ||
8652 StrStr(message, "accepted")) {
8655 if (StrStr(message, "protover")) {
8656 /* Program is responding to input, so it's apparently done
8657 initializing, and this error message indicates it is
8658 protocol version 1. So we don't need to wait any longer
8659 for it to initialize and send feature commands. */
8660 FeatureDone(cps, 1);
8661 cps->protocolVersion = 1;
8664 cps->maybeThinking = FALSE;
8666 if (StrStr(message, "draw")) {
8667 /* Program doesn't have "draw" command */
8668 cps->sendDrawOffers = 0;
8671 if (cps->sendTime != 1 &&
8672 (StrStr(message, "time") || StrStr(message, "otim"))) {
8673 /* Program apparently doesn't have "time" or "otim" command */
8677 if (StrStr(message, "analyze")) {
8678 cps->analysisSupport = FALSE;
8679 cps->analyzing = FALSE;
8680 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8681 EditGameEvent(); // [HGM] try to preserve loaded game
8682 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8683 DisplayError(buf2, 0);
8686 if (StrStr(message, "(no matching move)st")) {
8687 /* Special kludge for GNU Chess 4 only */
8688 cps->stKludge = TRUE;
8689 SendTimeControl(cps, movesPerSession, timeControl,
8690 timeIncrement, appData.searchDepth,
8694 if (StrStr(message, "(no matching move)sd")) {
8695 /* Special kludge for GNU Chess 4 only */
8696 cps->sdKludge = TRUE;
8697 SendTimeControl(cps, movesPerSession, timeControl,
8698 timeIncrement, appData.searchDepth,
8702 if (!StrStr(message, "llegal")) {
8705 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8706 gameMode == IcsIdle) return;
8707 if (forwardMostMove <= backwardMostMove) return;
8708 if (pausing) PauseEvent();
8709 if(appData.forceIllegal) {
8710 // [HGM] illegal: machine refused move; force position after move into it
8711 SendToProgram("force\n", cps);
8712 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8713 // we have a real problem now, as SendBoard will use the a2a3 kludge
8714 // when black is to move, while there might be nothing on a2 or black
8715 // might already have the move. So send the board as if white has the move.
8716 // But first we must change the stm of the engine, as it refused the last move
8717 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8718 if(WhiteOnMove(forwardMostMove)) {
8719 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8720 SendBoard(cps, forwardMostMove); // kludgeless board
8722 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8723 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8724 SendBoard(cps, forwardMostMove+1); // kludgeless board
8726 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8727 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8728 gameMode == TwoMachinesPlay)
8729 SendToProgram("go\n", cps);
8732 if (gameMode == PlayFromGameFile) {
8733 /* Stop reading this game file */
8734 gameMode = EditGame;
8737 /* [HGM] illegal-move claim should forfeit game when Xboard */
8738 /* only passes fully legal moves */
8739 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8740 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8741 "False illegal-move claim", GE_XBOARD );
8742 return; // do not take back move we tested as valid
8744 currentMove = forwardMostMove-1;
8745 DisplayMove(currentMove-1); /* before DisplayMoveError */
8746 SwitchClocks(forwardMostMove-1); // [HGM] race
8747 DisplayBothClocks();
8748 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8749 parseList[currentMove], _(cps->which));
8750 DisplayMoveError(buf1);
8751 DrawPosition(FALSE, boards[currentMove]);
8753 SetUserThinkingEnables();
8756 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8757 /* Program has a broken "time" command that
8758 outputs a string not ending in newline.
8764 * If chess program startup fails, exit with an error message.
8765 * Attempts to recover here are futile. [HGM] Well, we try anyway
8767 if ((StrStr(message, "unknown host") != NULL)
8768 || (StrStr(message, "No remote directory") != NULL)
8769 || (StrStr(message, "not found") != NULL)
8770 || (StrStr(message, "No such file") != NULL)
8771 || (StrStr(message, "can't alloc") != NULL)
8772 || (StrStr(message, "Permission denied") != NULL)) {
8774 cps->maybeThinking = FALSE;
8775 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8776 _(cps->which), cps->program, cps->host, message);
8777 RemoveInputSource(cps->isr);
8778 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8779 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8780 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8786 * Look for hint output
8788 if (sscanf(message, "Hint: %s", buf1) == 1) {
8789 if (cps == &first && hintRequested) {
8790 hintRequested = FALSE;
8791 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8792 &fromX, &fromY, &toX, &toY, &promoChar)) {
8793 (void) CoordsToAlgebraic(boards[forwardMostMove],
8794 PosFlags(forwardMostMove),
8795 fromY, fromX, toY, toX, promoChar, buf1);
8796 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8797 DisplayInformation(buf2);
8799 /* Hint move could not be parsed!? */
8800 snprintf(buf2, sizeof(buf2),
8801 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8802 buf1, _(cps->which));
8803 DisplayError(buf2, 0);
8806 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8812 * Ignore other messages if game is not in progress
8814 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8815 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8818 * look for win, lose, draw, or draw offer
8820 if (strncmp(message, "1-0", 3) == 0) {
8821 char *p, *q, *r = "";
8822 p = strchr(message, '{');
8830 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8832 } else if (strncmp(message, "0-1", 3) == 0) {
8833 char *p, *q, *r = "";
8834 p = strchr(message, '{');
8842 /* Kludge for Arasan 4.1 bug */
8843 if (strcmp(r, "Black resigns") == 0) {
8844 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8847 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8849 } else if (strncmp(message, "1/2", 3) == 0) {
8850 char *p, *q, *r = "";
8851 p = strchr(message, '{');
8860 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8863 } else if (strncmp(message, "White resign", 12) == 0) {
8864 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8866 } else if (strncmp(message, "Black resign", 12) == 0) {
8867 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8869 } else if (strncmp(message, "White matches", 13) == 0 ||
8870 strncmp(message, "Black matches", 13) == 0 ) {
8871 /* [HGM] ignore GNUShogi noises */
8873 } else if (strncmp(message, "White", 5) == 0 &&
8874 message[5] != '(' &&
8875 StrStr(message, "Black") == NULL) {
8876 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8878 } else if (strncmp(message, "Black", 5) == 0 &&
8879 message[5] != '(') {
8880 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8882 } else if (strcmp(message, "resign") == 0 ||
8883 strcmp(message, "computer resigns") == 0) {
8885 case MachinePlaysBlack:
8886 case IcsPlayingBlack:
8887 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8889 case MachinePlaysWhite:
8890 case IcsPlayingWhite:
8891 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8893 case TwoMachinesPlay:
8894 if (cps->twoMachinesColor[0] == 'w')
8895 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8897 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8904 } else if (strncmp(message, "opponent mates", 14) == 0) {
8906 case MachinePlaysBlack:
8907 case IcsPlayingBlack:
8908 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8910 case MachinePlaysWhite:
8911 case IcsPlayingWhite:
8912 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8914 case TwoMachinesPlay:
8915 if (cps->twoMachinesColor[0] == 'w')
8916 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8918 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8925 } else if (strncmp(message, "computer mates", 14) == 0) {
8927 case MachinePlaysBlack:
8928 case IcsPlayingBlack:
8929 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8931 case MachinePlaysWhite:
8932 case IcsPlayingWhite:
8933 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8935 case TwoMachinesPlay:
8936 if (cps->twoMachinesColor[0] == 'w')
8937 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8939 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8946 } else if (strncmp(message, "checkmate", 9) == 0) {
8947 if (WhiteOnMove(forwardMostMove)) {
8948 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8950 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8953 } else if (strstr(message, "Draw") != NULL ||
8954 strstr(message, "game is a draw") != NULL) {
8955 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8957 } else if (strstr(message, "offer") != NULL &&
8958 strstr(message, "draw") != NULL) {
8960 if (appData.zippyPlay && first.initDone) {
8961 /* Relay offer to ICS */
8962 SendToICS(ics_prefix);
8963 SendToICS("draw\n");
8966 cps->offeredDraw = 2; /* valid until this engine moves twice */
8967 if (gameMode == TwoMachinesPlay) {
8968 if (cps->other->offeredDraw) {
8969 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8970 /* [HGM] in two-machine mode we delay relaying draw offer */
8971 /* until after we also have move, to see if it is really claim */
8973 } else if (gameMode == MachinePlaysWhite ||
8974 gameMode == MachinePlaysBlack) {
8975 if (userOfferedDraw) {
8976 DisplayInformation(_("Machine accepts your draw offer"));
8977 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8979 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8986 * Look for thinking output
8988 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8989 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8991 int plylev, mvleft, mvtot, curscore, time;
8992 char mvname[MOVE_LEN];
8996 int prefixHint = FALSE;
8997 mvname[0] = NULLCHAR;
9000 case MachinePlaysBlack:
9001 case IcsPlayingBlack:
9002 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9004 case MachinePlaysWhite:
9005 case IcsPlayingWhite:
9006 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9011 case IcsObserving: /* [DM] icsEngineAnalyze */
9012 if (!appData.icsEngineAnalyze) ignore = TRUE;
9014 case TwoMachinesPlay:
9015 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9025 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9027 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9028 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9030 if (plyext != ' ' && plyext != '\t') {
9034 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9035 if( cps->scoreIsAbsolute &&
9036 ( gameMode == MachinePlaysBlack ||
9037 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9038 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9039 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9040 !WhiteOnMove(currentMove)
9043 curscore = -curscore;
9046 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9048 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9051 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9052 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9053 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9054 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9055 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9056 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9058 } else DisplayError(_("failed writing PV"), 0);
9061 tempStats.depth = plylev;
9062 tempStats.nodes = nodes;
9063 tempStats.time = time;
9064 tempStats.score = curscore;
9065 tempStats.got_only_move = 0;
9067 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9070 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9071 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9072 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9073 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9074 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9075 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9076 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9077 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9080 /* Buffer overflow protection */
9081 if (pv[0] != NULLCHAR) {
9082 if (strlen(pv) >= sizeof(tempStats.movelist)
9083 && appData.debugMode) {
9085 "PV is too long; using the first %u bytes.\n",
9086 (unsigned) sizeof(tempStats.movelist) - 1);
9089 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9091 sprintf(tempStats.movelist, " no PV\n");
9094 if (tempStats.seen_stat) {
9095 tempStats.ok_to_send = 1;
9098 if (strchr(tempStats.movelist, '(') != NULL) {
9099 tempStats.line_is_book = 1;
9100 tempStats.nr_moves = 0;
9101 tempStats.moves_left = 0;
9103 tempStats.line_is_book = 0;
9106 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9107 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9109 SendProgramStatsToFrontend( cps, &tempStats );
9112 [AS] Protect the thinkOutput buffer from overflow... this
9113 is only useful if buf1 hasn't overflowed first!
9115 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9117 (gameMode == TwoMachinesPlay ?
9118 ToUpper(cps->twoMachinesColor[0]) : ' '),
9119 ((double) curscore) / 100.0,
9120 prefixHint ? lastHint : "",
9121 prefixHint ? " " : "" );
9123 if( buf1[0] != NULLCHAR ) {
9124 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9126 if( strlen(pv) > max_len ) {
9127 if( appData.debugMode) {
9128 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9130 pv[max_len+1] = '\0';
9133 strcat( thinkOutput, pv);
9136 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9137 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9138 DisplayMove(currentMove - 1);
9142 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9143 /* crafty (9.25+) says "(only move) <move>"
9144 * if there is only 1 legal move
9146 sscanf(p, "(only move) %s", buf1);
9147 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9148 sprintf(programStats.movelist, "%s (only move)", buf1);
9149 programStats.depth = 1;
9150 programStats.nr_moves = 1;
9151 programStats.moves_left = 1;
9152 programStats.nodes = 1;
9153 programStats.time = 1;
9154 programStats.got_only_move = 1;
9156 /* Not really, but we also use this member to
9157 mean "line isn't going to change" (Crafty
9158 isn't searching, so stats won't change) */
9159 programStats.line_is_book = 1;
9161 SendProgramStatsToFrontend( cps, &programStats );
9163 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9164 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9165 DisplayMove(currentMove - 1);
9168 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9169 &time, &nodes, &plylev, &mvleft,
9170 &mvtot, mvname) >= 5) {
9171 /* The stat01: line is from Crafty (9.29+) in response
9172 to the "." command */
9173 programStats.seen_stat = 1;
9174 cps->maybeThinking = TRUE;
9176 if (programStats.got_only_move || !appData.periodicUpdates)
9179 programStats.depth = plylev;
9180 programStats.time = time;
9181 programStats.nodes = nodes;
9182 programStats.moves_left = mvleft;
9183 programStats.nr_moves = mvtot;
9184 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9185 programStats.ok_to_send = 1;
9186 programStats.movelist[0] = '\0';
9188 SendProgramStatsToFrontend( cps, &programStats );
9192 } else if (strncmp(message,"++",2) == 0) {
9193 /* Crafty 9.29+ outputs this */
9194 programStats.got_fail = 2;
9197 } else if (strncmp(message,"--",2) == 0) {
9198 /* Crafty 9.29+ outputs this */
9199 programStats.got_fail = 1;
9202 } else if (thinkOutput[0] != NULLCHAR &&
9203 strncmp(message, " ", 4) == 0) {
9204 unsigned message_len;
9207 while (*p && *p == ' ') p++;
9209 message_len = strlen( p );
9211 /* [AS] Avoid buffer overflow */
9212 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9213 strcat(thinkOutput, " ");
9214 strcat(thinkOutput, p);
9217 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9218 strcat(programStats.movelist, " ");
9219 strcat(programStats.movelist, p);
9222 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9223 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9224 DisplayMove(currentMove - 1);
9232 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9233 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9235 ChessProgramStats cpstats;
9237 if (plyext != ' ' && plyext != '\t') {
9241 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9242 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9243 curscore = -curscore;
9246 cpstats.depth = plylev;
9247 cpstats.nodes = nodes;
9248 cpstats.time = time;
9249 cpstats.score = curscore;
9250 cpstats.got_only_move = 0;
9251 cpstats.movelist[0] = '\0';
9253 if (buf1[0] != NULLCHAR) {
9254 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9257 cpstats.ok_to_send = 0;
9258 cpstats.line_is_book = 0;
9259 cpstats.nr_moves = 0;
9260 cpstats.moves_left = 0;
9262 SendProgramStatsToFrontend( cps, &cpstats );
9269 /* Parse a game score from the character string "game", and
9270 record it as the history of the current game. The game
9271 score is NOT assumed to start from the standard position.
9272 The display is not updated in any way.
9275 ParseGameHistory (char *game)
9278 int fromX, fromY, toX, toY, boardIndex;
9283 if (appData.debugMode)
9284 fprintf(debugFP, "Parsing game history: %s\n", game);
9286 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9287 gameInfo.site = StrSave(appData.icsHost);
9288 gameInfo.date = PGNDate();
9289 gameInfo.round = StrSave("-");
9291 /* Parse out names of players */
9292 while (*game == ' ') game++;
9294 while (*game != ' ') *p++ = *game++;
9296 gameInfo.white = StrSave(buf);
9297 while (*game == ' ') game++;
9299 while (*game != ' ' && *game != '\n') *p++ = *game++;
9301 gameInfo.black = StrSave(buf);
9304 boardIndex = blackPlaysFirst ? 1 : 0;
9307 yyboardindex = boardIndex;
9308 moveType = (ChessMove) Myylex();
9310 case IllegalMove: /* maybe suicide chess, etc. */
9311 if (appData.debugMode) {
9312 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9313 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9314 setbuf(debugFP, NULL);
9316 case WhitePromotion:
9317 case BlackPromotion:
9318 case WhiteNonPromotion:
9319 case BlackNonPromotion:
9321 case WhiteCapturesEnPassant:
9322 case BlackCapturesEnPassant:
9323 case WhiteKingSideCastle:
9324 case WhiteQueenSideCastle:
9325 case BlackKingSideCastle:
9326 case BlackQueenSideCastle:
9327 case WhiteKingSideCastleWild:
9328 case WhiteQueenSideCastleWild:
9329 case BlackKingSideCastleWild:
9330 case BlackQueenSideCastleWild:
9332 case WhiteHSideCastleFR:
9333 case WhiteASideCastleFR:
9334 case BlackHSideCastleFR:
9335 case BlackASideCastleFR:
9337 fromX = currentMoveString[0] - AAA;
9338 fromY = currentMoveString[1] - ONE;
9339 toX = currentMoveString[2] - AAA;
9340 toY = currentMoveString[3] - ONE;
9341 promoChar = currentMoveString[4];
9345 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9346 fromX = moveType == WhiteDrop ?
9347 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9348 (int) CharToPiece(ToLower(currentMoveString[0]));
9350 toX = currentMoveString[2] - AAA;
9351 toY = currentMoveString[3] - ONE;
9352 promoChar = NULLCHAR;
9356 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9357 if (appData.debugMode) {
9358 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9359 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9360 setbuf(debugFP, NULL);
9362 DisplayError(buf, 0);
9364 case ImpossibleMove:
9366 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9367 if (appData.debugMode) {
9368 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9369 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9370 setbuf(debugFP, NULL);
9372 DisplayError(buf, 0);
9375 if (boardIndex < backwardMostMove) {
9376 /* Oops, gap. How did that happen? */
9377 DisplayError(_("Gap in move list"), 0);
9380 backwardMostMove = blackPlaysFirst ? 1 : 0;
9381 if (boardIndex > forwardMostMove) {
9382 forwardMostMove = boardIndex;
9386 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9387 strcat(parseList[boardIndex-1], " ");
9388 strcat(parseList[boardIndex-1], yy_text);
9400 case GameUnfinished:
9401 if (gameMode == IcsExamining) {
9402 if (boardIndex < backwardMostMove) {
9403 /* Oops, gap. How did that happen? */
9406 backwardMostMove = blackPlaysFirst ? 1 : 0;
9409 gameInfo.result = moveType;
9410 p = strchr(yy_text, '{');
9411 if (p == NULL) p = strchr(yy_text, '(');
9414 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9416 q = strchr(p, *p == '{' ? '}' : ')');
9417 if (q != NULL) *q = NULLCHAR;
9420 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9421 gameInfo.resultDetails = StrSave(p);
9424 if (boardIndex >= forwardMostMove &&
9425 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9426 backwardMostMove = blackPlaysFirst ? 1 : 0;
9429 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9430 fromY, fromX, toY, toX, promoChar,
9431 parseList[boardIndex]);
9432 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9433 /* currentMoveString is set as a side-effect of yylex */
9434 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9435 strcat(moveList[boardIndex], "\n");
9437 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9438 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9444 if(gameInfo.variant != VariantShogi)
9445 strcat(parseList[boardIndex - 1], "+");
9449 strcat(parseList[boardIndex - 1], "#");
9456 /* Apply a move to the given board */
9458 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9460 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9461 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9463 /* [HGM] compute & store e.p. status and castling rights for new position */
9464 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9466 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9467 oldEP = (signed char)board[EP_STATUS];
9468 board[EP_STATUS] = EP_NONE;
9470 if (fromY == DROP_RANK) {
9472 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9473 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9476 piece = board[toY][toX] = (ChessSquare) fromX;
9480 if( board[toY][toX] != EmptySquare )
9481 board[EP_STATUS] = EP_CAPTURE;
9483 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9484 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9485 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9487 if( board[fromY][fromX] == WhitePawn ) {
9488 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9489 board[EP_STATUS] = EP_PAWN_MOVE;
9491 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9492 gameInfo.variant != VariantBerolina || toX < fromX)
9493 board[EP_STATUS] = toX | berolina;
9494 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9495 gameInfo.variant != VariantBerolina || toX > fromX)
9496 board[EP_STATUS] = toX;
9499 if( board[fromY][fromX] == BlackPawn ) {
9500 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9501 board[EP_STATUS] = EP_PAWN_MOVE;
9502 if( toY-fromY== -2) {
9503 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9504 gameInfo.variant != VariantBerolina || toX < fromX)
9505 board[EP_STATUS] = toX | berolina;
9506 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9507 gameInfo.variant != VariantBerolina || toX > fromX)
9508 board[EP_STATUS] = toX;
9512 for(i=0; i<nrCastlingRights; i++) {
9513 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9514 board[CASTLING][i] == toX && castlingRank[i] == toY
9515 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9518 if(gameInfo.variant == VariantSChess) { // update virginity
9519 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9520 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9521 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9522 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9525 if (fromX == toX && fromY == toY) return;
9527 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9528 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9529 if(gameInfo.variant == VariantKnightmate)
9530 king += (int) WhiteUnicorn - (int) WhiteKing;
9532 /* Code added by Tord: */
9533 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9534 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9535 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9536 board[fromY][fromX] = EmptySquare;
9537 board[toY][toX] = EmptySquare;
9538 if((toX > fromX) != (piece == WhiteRook)) {
9539 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9541 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9543 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9544 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9545 board[fromY][fromX] = EmptySquare;
9546 board[toY][toX] = EmptySquare;
9547 if((toX > fromX) != (piece == BlackRook)) {
9548 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9550 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9552 /* End of code added by Tord */
9554 } else if (board[fromY][fromX] == king
9555 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9556 && toY == fromY && toX > fromX+1) {
9557 board[fromY][fromX] = EmptySquare;
9558 board[toY][toX] = king;
9559 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9560 board[fromY][BOARD_RGHT-1] = EmptySquare;
9561 } else if (board[fromY][fromX] == king
9562 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9563 && toY == fromY && toX < fromX-1) {
9564 board[fromY][fromX] = EmptySquare;
9565 board[toY][toX] = king;
9566 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9567 board[fromY][BOARD_LEFT] = EmptySquare;
9568 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9569 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9570 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9572 /* white pawn promotion */
9573 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9574 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9575 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9576 board[fromY][fromX] = EmptySquare;
9577 } else if ((fromY >= BOARD_HEIGHT>>1)
9578 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9580 && gameInfo.variant != VariantXiangqi
9581 && gameInfo.variant != VariantBerolina
9582 && (board[fromY][fromX] == WhitePawn)
9583 && (board[toY][toX] == EmptySquare)) {
9584 board[fromY][fromX] = EmptySquare;
9585 board[toY][toX] = WhitePawn;
9586 captured = board[toY - 1][toX];
9587 board[toY - 1][toX] = EmptySquare;
9588 } else if ((fromY == BOARD_HEIGHT-4)
9590 && gameInfo.variant == VariantBerolina
9591 && (board[fromY][fromX] == WhitePawn)
9592 && (board[toY][toX] == EmptySquare)) {
9593 board[fromY][fromX] = EmptySquare;
9594 board[toY][toX] = WhitePawn;
9595 if(oldEP & EP_BEROLIN_A) {
9596 captured = board[fromY][fromX-1];
9597 board[fromY][fromX-1] = EmptySquare;
9598 }else{ captured = board[fromY][fromX+1];
9599 board[fromY][fromX+1] = EmptySquare;
9601 } else if (board[fromY][fromX] == king
9602 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9603 && toY == fromY && toX > fromX+1) {
9604 board[fromY][fromX] = EmptySquare;
9605 board[toY][toX] = king;
9606 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9607 board[fromY][BOARD_RGHT-1] = EmptySquare;
9608 } else if (board[fromY][fromX] == king
9609 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9610 && toY == fromY && toX < fromX-1) {
9611 board[fromY][fromX] = EmptySquare;
9612 board[toY][toX] = king;
9613 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9614 board[fromY][BOARD_LEFT] = EmptySquare;
9615 } else if (fromY == 7 && fromX == 3
9616 && board[fromY][fromX] == BlackKing
9617 && toY == 7 && toX == 5) {
9618 board[fromY][fromX] = EmptySquare;
9619 board[toY][toX] = BlackKing;
9620 board[fromY][7] = EmptySquare;
9621 board[toY][4] = BlackRook;
9622 } else if (fromY == 7 && fromX == 3
9623 && board[fromY][fromX] == BlackKing
9624 && toY == 7 && toX == 1) {
9625 board[fromY][fromX] = EmptySquare;
9626 board[toY][toX] = BlackKing;
9627 board[fromY][0] = EmptySquare;
9628 board[toY][2] = BlackRook;
9629 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9630 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9631 && toY < promoRank && promoChar
9633 /* black pawn promotion */
9634 board[toY][toX] = CharToPiece(ToLower(promoChar));
9635 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9636 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9637 board[fromY][fromX] = EmptySquare;
9638 } else if ((fromY < BOARD_HEIGHT>>1)
9639 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9641 && gameInfo.variant != VariantXiangqi
9642 && gameInfo.variant != VariantBerolina
9643 && (board[fromY][fromX] == BlackPawn)
9644 && (board[toY][toX] == EmptySquare)) {
9645 board[fromY][fromX] = EmptySquare;
9646 board[toY][toX] = BlackPawn;
9647 captured = board[toY + 1][toX];
9648 board[toY + 1][toX] = EmptySquare;
9649 } else if ((fromY == 3)
9651 && gameInfo.variant == VariantBerolina
9652 && (board[fromY][fromX] == BlackPawn)
9653 && (board[toY][toX] == EmptySquare)) {
9654 board[fromY][fromX] = EmptySquare;
9655 board[toY][toX] = BlackPawn;
9656 if(oldEP & EP_BEROLIN_A) {
9657 captured = board[fromY][fromX-1];
9658 board[fromY][fromX-1] = EmptySquare;
9659 }else{ captured = board[fromY][fromX+1];
9660 board[fromY][fromX+1] = EmptySquare;
9663 board[toY][toX] = board[fromY][fromX];
9664 board[fromY][fromX] = EmptySquare;
9668 if (gameInfo.holdingsWidth != 0) {
9670 /* !!A lot more code needs to be written to support holdings */
9671 /* [HGM] OK, so I have written it. Holdings are stored in the */
9672 /* penultimate board files, so they are automaticlly stored */
9673 /* in the game history. */
9674 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9675 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9676 /* Delete from holdings, by decreasing count */
9677 /* and erasing image if necessary */
9678 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9679 if(p < (int) BlackPawn) { /* white drop */
9680 p -= (int)WhitePawn;
9681 p = PieceToNumber((ChessSquare)p);
9682 if(p >= gameInfo.holdingsSize) p = 0;
9683 if(--board[p][BOARD_WIDTH-2] <= 0)
9684 board[p][BOARD_WIDTH-1] = EmptySquare;
9685 if((int)board[p][BOARD_WIDTH-2] < 0)
9686 board[p][BOARD_WIDTH-2] = 0;
9687 } else { /* black drop */
9688 p -= (int)BlackPawn;
9689 p = PieceToNumber((ChessSquare)p);
9690 if(p >= gameInfo.holdingsSize) p = 0;
9691 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9692 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9693 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9694 board[BOARD_HEIGHT-1-p][1] = 0;
9697 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9698 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9699 /* [HGM] holdings: Add to holdings, if holdings exist */
9700 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9701 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9702 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9705 if (p >= (int) BlackPawn) {
9706 p -= (int)BlackPawn;
9707 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9708 /* in Shogi restore piece to its original first */
9709 captured = (ChessSquare) (DEMOTED captured);
9712 p = PieceToNumber((ChessSquare)p);
9713 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9714 board[p][BOARD_WIDTH-2]++;
9715 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9717 p -= (int)WhitePawn;
9718 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9719 captured = (ChessSquare) (DEMOTED captured);
9722 p = PieceToNumber((ChessSquare)p);
9723 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9724 board[BOARD_HEIGHT-1-p][1]++;
9725 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9728 } else if (gameInfo.variant == VariantAtomic) {
9729 if (captured != EmptySquare) {
9731 for (y = toY-1; y <= toY+1; y++) {
9732 for (x = toX-1; x <= toX+1; x++) {
9733 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9734 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9735 board[y][x] = EmptySquare;
9739 board[toY][toX] = EmptySquare;
9742 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9743 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9745 if(promoChar == '+') {
9746 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9747 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9748 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9749 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9750 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9751 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9752 board[toY][toX] = newPiece;
9754 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9755 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9756 // [HGM] superchess: take promotion piece out of holdings
9757 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9758 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9759 if(!--board[k][BOARD_WIDTH-2])
9760 board[k][BOARD_WIDTH-1] = EmptySquare;
9762 if(!--board[BOARD_HEIGHT-1-k][1])
9763 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9769 /* Updates forwardMostMove */
9771 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9773 // forwardMostMove++; // [HGM] bare: moved downstream
9775 (void) CoordsToAlgebraic(boards[forwardMostMove],
9776 PosFlags(forwardMostMove),
9777 fromY, fromX, toY, toX, promoChar,
9778 parseList[forwardMostMove]);
9780 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9781 int timeLeft; static int lastLoadFlag=0; int king, piece;
9782 piece = boards[forwardMostMove][fromY][fromX];
9783 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9784 if(gameInfo.variant == VariantKnightmate)
9785 king += (int) WhiteUnicorn - (int) WhiteKing;
9786 if(forwardMostMove == 0) {
9787 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9788 fprintf(serverMoves, "%s;", UserName());
9789 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9790 fprintf(serverMoves, "%s;", second.tidy);
9791 fprintf(serverMoves, "%s;", first.tidy);
9792 if(gameMode == MachinePlaysWhite)
9793 fprintf(serverMoves, "%s;", UserName());
9794 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9795 fprintf(serverMoves, "%s;", second.tidy);
9796 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9797 lastLoadFlag = loadFlag;
9799 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9800 // print castling suffix
9801 if( toY == fromY && piece == king ) {
9803 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9805 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9808 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9809 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9810 boards[forwardMostMove][toY][toX] == EmptySquare
9811 && fromX != toX && fromY != toY)
9812 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9814 if(promoChar != NULLCHAR) {
9815 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9816 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9817 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9818 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9821 char buf[MOVE_LEN*2], *p; int len;
9822 fprintf(serverMoves, "/%d/%d",
9823 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9824 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9825 else timeLeft = blackTimeRemaining/1000;
9826 fprintf(serverMoves, "/%d", timeLeft);
9827 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9828 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9829 if(p = strchr(buf, '=')) *p = NULLCHAR;
9830 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9831 fprintf(serverMoves, "/%s", buf);
9833 fflush(serverMoves);
9836 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9837 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9840 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9841 if (commentList[forwardMostMove+1] != NULL) {
9842 free(commentList[forwardMostMove+1]);
9843 commentList[forwardMostMove+1] = NULL;
9845 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9846 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9847 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9848 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9849 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9850 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9851 adjustedClock = FALSE;
9852 gameInfo.result = GameUnfinished;
9853 if (gameInfo.resultDetails != NULL) {
9854 free(gameInfo.resultDetails);
9855 gameInfo.resultDetails = NULL;
9857 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9858 moveList[forwardMostMove - 1]);
9859 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9865 if(gameInfo.variant != VariantShogi)
9866 strcat(parseList[forwardMostMove - 1], "+");
9870 strcat(parseList[forwardMostMove - 1], "#");
9876 /* Updates currentMove if not pausing */
9878 ShowMove (int fromX, int fromY, int toX, int toY)
9880 int instant = (gameMode == PlayFromGameFile) ?
9881 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9882 if(appData.noGUI) return;
9883 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9885 if (forwardMostMove == currentMove + 1) {
9886 AnimateMove(boards[forwardMostMove - 1],
9887 fromX, fromY, toX, toY);
9890 currentMove = forwardMostMove;
9893 if (instant) return;
9895 DisplayMove(currentMove - 1);
9896 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9897 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9898 SetHighlights(fromX, fromY, toX, toY);
9901 DrawPosition(FALSE, boards[currentMove]);
9902 DisplayBothClocks();
9903 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9907 SendEgtPath (ChessProgramState *cps)
9908 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9909 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9911 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9914 char c, *q = name+1, *r, *s;
9916 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9917 while(*p && *p != ',') *q++ = *p++;
9919 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9920 strcmp(name, ",nalimov:") == 0 ) {
9921 // take nalimov path from the menu-changeable option first, if it is defined
9922 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9923 SendToProgram(buf,cps); // send egtbpath command for nalimov
9925 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9926 (s = StrStr(appData.egtFormats, name)) != NULL) {
9927 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9928 s = r = StrStr(s, ":") + 1; // beginning of path info
9929 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9930 c = *r; *r = 0; // temporarily null-terminate path info
9931 *--q = 0; // strip of trailig ':' from name
9932 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9934 SendToProgram(buf,cps); // send egtbpath command for this format
9936 if(*p == ',') p++; // read away comma to position for next format name
9941 NonStandardBoardSize ()
9943 /* [HGM] Awkward testing. Should really be a table */
9944 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9945 if( gameInfo.variant == VariantXiangqi )
9946 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9947 if( gameInfo.variant == VariantShogi )
9948 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9949 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9950 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9951 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9952 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9953 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9954 if( gameInfo.variant == VariantCourier )
9955 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9956 if( gameInfo.variant == VariantSuper )
9957 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9958 if( gameInfo.variant == VariantGreat )
9959 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9960 if( gameInfo.variant == VariantSChess )
9961 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9962 if( gameInfo.variant == VariantGrand )
9963 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9968 InitChessProgram (ChessProgramState *cps, int setup)
9969 /* setup needed to setup FRC opening position */
9971 char buf[MSG_SIZ], b[MSG_SIZ];
9972 if (appData.noChessProgram) return;
9973 hintRequested = FALSE;
9974 bookRequested = FALSE;
9976 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9977 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9978 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9979 if(cps->memSize) { /* [HGM] memory */
9980 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9981 SendToProgram(buf, cps);
9983 SendEgtPath(cps); /* [HGM] EGT */
9984 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9985 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9986 SendToProgram(buf, cps);
9989 SendToProgram(cps->initString, cps);
9990 if (gameInfo.variant != VariantNormal &&
9991 gameInfo.variant != VariantLoadable
9992 /* [HGM] also send variant if board size non-standard */
9993 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9995 char *v = VariantName(gameInfo.variant);
9996 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9997 /* [HGM] in protocol 1 we have to assume all variants valid */
9998 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9999 DisplayFatalError(buf, 0, 1);
10003 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10004 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10005 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10006 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10007 if(StrStr(cps->variants, b) == NULL) {
10008 // specific sized variant not known, check if general sizing allowed
10009 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10010 if(StrStr(cps->variants, "boardsize") == NULL) {
10011 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10012 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10013 DisplayFatalError(buf, 0, 1);
10016 /* [HGM] here we really should compare with the maximum supported board size */
10019 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10020 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10021 SendToProgram(buf, cps);
10023 currentlyInitializedVariant = gameInfo.variant;
10025 /* [HGM] send opening position in FRC to first engine */
10027 SendToProgram("force\n", cps);
10029 /* engine is now in force mode! Set flag to wake it up after first move. */
10030 setboardSpoiledMachineBlack = 1;
10033 if (cps->sendICS) {
10034 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10035 SendToProgram(buf, cps);
10037 cps->maybeThinking = FALSE;
10038 cps->offeredDraw = 0;
10039 if (!appData.icsActive) {
10040 SendTimeControl(cps, movesPerSession, timeControl,
10041 timeIncrement, appData.searchDepth,
10044 if (appData.showThinking
10045 // [HGM] thinking: four options require thinking output to be sent
10046 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10048 SendToProgram("post\n", cps);
10050 SendToProgram("hard\n", cps);
10051 if (!appData.ponderNextMove) {
10052 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10053 it without being sure what state we are in first. "hard"
10054 is not a toggle, so that one is OK.
10056 SendToProgram("easy\n", cps);
10058 if (cps->usePing) {
10059 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10060 SendToProgram(buf, cps);
10062 cps->initDone = TRUE;
10063 ClearEngineOutputPane(cps == &second);
10068 ResendOptions (ChessProgramState *cps)
10069 { // send the stored value of the options
10072 Option *opt = cps->option;
10073 for(i=0; i<cps->nrOptions; i++, opt++) {
10074 switch(opt->type) {
10078 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10081 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10084 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10090 SendToProgram(buf, cps);
10095 StartChessProgram (ChessProgramState *cps)
10100 if (appData.noChessProgram) return;
10101 cps->initDone = FALSE;
10103 if (strcmp(cps->host, "localhost") == 0) {
10104 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10105 } else if (*appData.remoteShell == NULLCHAR) {
10106 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10108 if (*appData.remoteUser == NULLCHAR) {
10109 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10112 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10113 cps->host, appData.remoteUser, cps->program);
10115 err = StartChildProcess(buf, "", &cps->pr);
10119 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10120 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10121 if(cps != &first) return;
10122 appData.noChessProgram = TRUE;
10125 // DisplayFatalError(buf, err, 1);
10126 // cps->pr = NoProc;
10127 // cps->isr = NULL;
10131 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10132 if (cps->protocolVersion > 1) {
10133 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10134 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10135 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10136 cps->comboCnt = 0; // and values of combo boxes
10138 SendToProgram(buf, cps);
10139 if(cps->reload) ResendOptions(cps);
10141 SendToProgram("xboard\n", cps);
10146 TwoMachinesEventIfReady P((void))
10148 static int curMess = 0;
10149 if (first.lastPing != first.lastPong) {
10150 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10151 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10154 if (second.lastPing != second.lastPong) {
10155 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10156 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10159 DisplayMessage("", ""); curMess = 0;
10160 TwoMachinesEvent();
10164 MakeName (char *template)
10168 static char buf[MSG_SIZ];
10172 clock = time((time_t *)NULL);
10173 tm = localtime(&clock);
10175 while(*p++ = *template++) if(p[-1] == '%') {
10176 switch(*template++) {
10177 case 0: *p = 0; return buf;
10178 case 'Y': i = tm->tm_year+1900; break;
10179 case 'y': i = tm->tm_year-100; break;
10180 case 'M': i = tm->tm_mon+1; break;
10181 case 'd': i = tm->tm_mday; break;
10182 case 'h': i = tm->tm_hour; break;
10183 case 'm': i = tm->tm_min; break;
10184 case 's': i = tm->tm_sec; break;
10187 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10193 CountPlayers (char *p)
10196 while(p = strchr(p, '\n')) p++, n++; // count participants
10201 WriteTourneyFile (char *results, FILE *f)
10202 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10203 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10204 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10205 // create a file with tournament description
10206 fprintf(f, "-participants {%s}\n", appData.participants);
10207 fprintf(f, "-seedBase %d\n", appData.seedBase);
10208 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10209 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10210 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10211 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10212 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10213 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10214 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10215 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10216 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10217 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10218 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10219 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10220 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10221 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10222 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10223 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10224 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10225 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10226 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10227 fprintf(f, "-smpCores %d\n", appData.smpCores);
10229 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10231 fprintf(f, "-mps %d\n", appData.movesPerSession);
10232 fprintf(f, "-tc %s\n", appData.timeControl);
10233 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10235 fprintf(f, "-results \"%s\"\n", results);
10240 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10243 Substitute (char *participants, int expunge)
10245 int i, changed, changes=0, nPlayers=0;
10246 char *p, *q, *r, buf[MSG_SIZ];
10247 if(participants == NULL) return;
10248 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10249 r = p = participants; q = appData.participants;
10250 while(*p && *p == *q) {
10251 if(*p == '\n') r = p+1, nPlayers++;
10254 if(*p) { // difference
10255 while(*p && *p++ != '\n');
10256 while(*q && *q++ != '\n');
10257 changed = nPlayers;
10258 changes = 1 + (strcmp(p, q) != 0);
10260 if(changes == 1) { // a single engine mnemonic was changed
10261 q = r; while(*q) nPlayers += (*q++ == '\n');
10262 p = buf; while(*r && (*p = *r++) != '\n') p++;
10264 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10265 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10266 if(mnemonic[i]) { // The substitute is valid
10268 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10269 flock(fileno(f), LOCK_EX);
10270 ParseArgsFromFile(f);
10271 fseek(f, 0, SEEK_SET);
10272 FREE(appData.participants); appData.participants = participants;
10273 if(expunge) { // erase results of replaced engine
10274 int len = strlen(appData.results), w, b, dummy;
10275 for(i=0; i<len; i++) {
10276 Pairing(i, nPlayers, &w, &b, &dummy);
10277 if((w == changed || b == changed) && appData.results[i] == '*') {
10278 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10283 for(i=0; i<len; i++) {
10284 Pairing(i, nPlayers, &w, &b, &dummy);
10285 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10288 WriteTourneyFile(appData.results, f);
10289 fclose(f); // release lock
10292 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10294 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10295 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10296 free(participants);
10301 CheckPlayers (char *participants)
10304 char buf[MSG_SIZ], *p;
10305 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10306 while(p = strchr(participants, '\n')) {
10308 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10310 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10312 DisplayError(buf, 0);
10316 participants = p + 1;
10322 CreateTourney (char *name)
10325 if(matchMode && strcmp(name, appData.tourneyFile)) {
10326 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10328 if(name[0] == NULLCHAR) {
10329 if(appData.participants[0])
10330 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10333 f = fopen(name, "r");
10334 if(f) { // file exists
10335 ASSIGN(appData.tourneyFile, name);
10336 ParseArgsFromFile(f); // parse it
10338 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10339 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10340 DisplayError(_("Not enough participants"), 0);
10343 if(CheckPlayers(appData.participants)) return 0;
10344 ASSIGN(appData.tourneyFile, name);
10345 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10346 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10349 appData.noChessProgram = FALSE;
10350 appData.clockMode = TRUE;
10356 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10358 char buf[MSG_SIZ], *p, *q;
10359 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10360 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10361 skip = !all && group[0]; // if group requested, we start in skip mode
10362 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10363 p = names; q = buf; header = 0;
10364 while(*p && *p != '\n') *q++ = *p++;
10366 if(*p == '\n') p++;
10367 if(buf[0] == '#') {
10368 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10369 depth++; // we must be entering a new group
10370 if(all) continue; // suppress printing group headers when complete list requested
10372 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10374 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10375 if(engineList[i]) free(engineList[i]);
10376 engineList[i] = strdup(buf);
10377 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10378 if(engineMnemonic[i]) free(engineMnemonic[i]);
10379 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10381 sscanf(q + 8, "%s", buf + strlen(buf));
10384 engineMnemonic[i] = strdup(buf);
10387 engineList[i] = engineMnemonic[i] = NULL;
10391 // following implemented as macro to avoid type limitations
10392 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10395 SwapEngines (int n)
10396 { // swap settings for first engine and other engine (so far only some selected options)
10401 SWAP(chessProgram, p)
10403 SWAP(hasOwnBookUCI, h)
10404 SWAP(protocolVersion, h)
10406 SWAP(scoreIsAbsolute, h)
10411 SWAP(engOptions, p)
10412 SWAP(engInitString, p)
10413 SWAP(computerString, p)
10415 SWAP(fenOverride, p)
10417 SWAP(accumulateTC, h)
10422 GetEngineLine (char *s, int n)
10426 extern char *icsNames;
10427 if(!s || !*s) return 0;
10428 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10429 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10430 if(!mnemonic[i]) return 0;
10431 if(n == 11) return 1; // just testing if there was a match
10432 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10433 if(n == 1) SwapEngines(n);
10434 ParseArgsFromString(buf);
10435 if(n == 1) SwapEngines(n);
10436 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10437 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10438 ParseArgsFromString(buf);
10444 SetPlayer (int player, char *p)
10445 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10447 char buf[MSG_SIZ], *engineName;
10448 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10449 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10450 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10452 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10453 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10454 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10455 ParseArgsFromString(buf);
10456 } else { // no engine with this nickname is installed!
10457 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10458 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10459 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10461 DisplayError(buf, 0);
10468 char *recentEngines;
10471 RecentEngineEvent (int nr)
10474 // SwapEngines(1); // bump first to second
10475 // ReplaceEngine(&second, 1); // and load it there
10476 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10477 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10478 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10479 ReplaceEngine(&first, 0);
10480 FloatToFront(&appData.recentEngineList, command[n]);
10485 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10486 { // determine players from game number
10487 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10489 if(appData.tourneyType == 0) {
10490 roundsPerCycle = (nPlayers - 1) | 1;
10491 pairingsPerRound = nPlayers / 2;
10492 } else if(appData.tourneyType > 0) {
10493 roundsPerCycle = nPlayers - appData.tourneyType;
10494 pairingsPerRound = appData.tourneyType;
10496 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10497 gamesPerCycle = gamesPerRound * roundsPerCycle;
10498 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10499 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10500 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10501 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10502 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10503 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10505 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10506 if(appData.roundSync) *syncInterval = gamesPerRound;
10508 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10510 if(appData.tourneyType == 0) {
10511 if(curPairing == (nPlayers-1)/2 ) {
10512 *whitePlayer = curRound;
10513 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10515 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10516 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10517 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10518 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10520 } else if(appData.tourneyType > 1) {
10521 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10522 *whitePlayer = curRound + appData.tourneyType;
10523 } else if(appData.tourneyType > 0) {
10524 *whitePlayer = curPairing;
10525 *blackPlayer = curRound + appData.tourneyType;
10528 // take care of white/black alternation per round.
10529 // For cycles and games this is already taken care of by default, derived from matchGame!
10530 return curRound & 1;
10534 NextTourneyGame (int nr, int *swapColors)
10535 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10537 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10539 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10540 tf = fopen(appData.tourneyFile, "r");
10541 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10542 ParseArgsFromFile(tf); fclose(tf);
10543 InitTimeControls(); // TC might be altered from tourney file
10545 nPlayers = CountPlayers(appData.participants); // count participants
10546 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10547 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10550 p = q = appData.results;
10551 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10552 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10553 DisplayMessage(_("Waiting for other game(s)"),"");
10554 waitingForGame = TRUE;
10555 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10558 waitingForGame = FALSE;
10561 if(appData.tourneyType < 0) {
10562 if(nr>=0 && !pairingReceived) {
10564 if(pairing.pr == NoProc) {
10565 if(!appData.pairingEngine[0]) {
10566 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10569 StartChessProgram(&pairing); // starts the pairing engine
10571 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10572 SendToProgram(buf, &pairing);
10573 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10574 SendToProgram(buf, &pairing);
10575 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10577 pairingReceived = 0; // ... so we continue here
10579 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10580 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10581 matchGame = 1; roundNr = nr / syncInterval + 1;
10584 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10586 // redefine engines, engine dir, etc.
10587 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10588 if(first.pr == NoProc) {
10589 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10590 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10592 if(second.pr == NoProc) {
10594 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10595 SwapEngines(1); // and make that valid for second engine by swapping
10596 InitEngine(&second, 1);
10598 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10599 UpdateLogos(FALSE); // leave display to ModeHiglight()
10605 { // performs game initialization that does not invoke engines, and then tries to start the game
10606 int res, firstWhite, swapColors = 0;
10607 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10608 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
10610 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10611 if(strcmp(buf, currentDebugFile)) { // name has changed
10612 FILE *f = fopen(buf, "w");
10613 if(f) { // if opening the new file failed, just keep using the old one
10614 ASSIGN(currentDebugFile, buf);
10618 if(appData.serverFileName) {
10619 if(serverFP) fclose(serverFP);
10620 serverFP = fopen(appData.serverFileName, "w");
10621 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10622 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10626 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10627 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10628 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10629 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10630 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10631 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10632 Reset(FALSE, first.pr != NoProc);
10633 res = LoadGameOrPosition(matchGame); // setup game
10634 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10635 if(!res) return; // abort when bad game/pos file
10636 TwoMachinesEvent();
10640 UserAdjudicationEvent (int result)
10642 ChessMove gameResult = GameIsDrawn;
10645 gameResult = WhiteWins;
10647 else if( result < 0 ) {
10648 gameResult = BlackWins;
10651 if( gameMode == TwoMachinesPlay ) {
10652 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10657 // [HGM] save: calculate checksum of game to make games easily identifiable
10659 StringCheckSum (char *s)
10662 if(s==NULL) return 0;
10663 while(*s) i = i*259 + *s++;
10671 for(i=backwardMostMove; i<forwardMostMove; i++) {
10672 sum += pvInfoList[i].depth;
10673 sum += StringCheckSum(parseList[i]);
10674 sum += StringCheckSum(commentList[i]);
10677 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10678 return sum + StringCheckSum(commentList[i]);
10679 } // end of save patch
10682 GameEnds (ChessMove result, char *resultDetails, int whosays)
10684 GameMode nextGameMode;
10686 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10688 if(endingGame) return; /* [HGM] crash: forbid recursion */
10690 if(twoBoards) { // [HGM] dual: switch back to one board
10691 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10692 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10694 if (appData.debugMode) {
10695 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10696 result, resultDetails ? resultDetails : "(null)", whosays);
10699 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10701 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10703 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10704 /* If we are playing on ICS, the server decides when the
10705 game is over, but the engine can offer to draw, claim
10709 if (appData.zippyPlay && first.initDone) {
10710 if (result == GameIsDrawn) {
10711 /* In case draw still needs to be claimed */
10712 SendToICS(ics_prefix);
10713 SendToICS("draw\n");
10714 } else if (StrCaseStr(resultDetails, "resign")) {
10715 SendToICS(ics_prefix);
10716 SendToICS("resign\n");
10720 endingGame = 0; /* [HGM] crash */
10724 /* If we're loading the game from a file, stop */
10725 if (whosays == GE_FILE) {
10726 (void) StopLoadGameTimer();
10730 /* Cancel draw offers */
10731 first.offeredDraw = second.offeredDraw = 0;
10733 /* If this is an ICS game, only ICS can really say it's done;
10734 if not, anyone can. */
10735 isIcsGame = (gameMode == IcsPlayingWhite ||
10736 gameMode == IcsPlayingBlack ||
10737 gameMode == IcsObserving ||
10738 gameMode == IcsExamining);
10740 if (!isIcsGame || whosays == GE_ICS) {
10741 /* OK -- not an ICS game, or ICS said it was done */
10743 if (!isIcsGame && !appData.noChessProgram)
10744 SetUserThinkingEnables();
10746 /* [HGM] if a machine claims the game end we verify this claim */
10747 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10748 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10750 ChessMove trueResult = (ChessMove) -1;
10752 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10753 first.twoMachinesColor[0] :
10754 second.twoMachinesColor[0] ;
10756 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10757 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10758 /* [HGM] verify: engine mate claims accepted if they were flagged */
10759 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10761 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10762 /* [HGM] verify: engine mate claims accepted if they were flagged */
10763 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10765 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10766 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10769 // now verify win claims, but not in drop games, as we don't understand those yet
10770 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10771 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10772 (result == WhiteWins && claimer == 'w' ||
10773 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10774 if (appData.debugMode) {
10775 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10776 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10778 if(result != trueResult) {
10779 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10780 result = claimer == 'w' ? BlackWins : WhiteWins;
10781 resultDetails = buf;
10784 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10785 && (forwardMostMove <= backwardMostMove ||
10786 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10787 (claimer=='b')==(forwardMostMove&1))
10789 /* [HGM] verify: draws that were not flagged are false claims */
10790 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10791 result = claimer == 'w' ? BlackWins : WhiteWins;
10792 resultDetails = buf;
10794 /* (Claiming a loss is accepted no questions asked!) */
10795 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10796 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10797 result = GameUnfinished;
10798 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10800 /* [HGM] bare: don't allow bare King to win */
10801 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10802 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10803 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10804 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10805 && result != GameIsDrawn)
10806 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10807 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10808 int p = (signed char)boards[forwardMostMove][i][j] - color;
10809 if(p >= 0 && p <= (int)WhiteKing) k++;
10811 if (appData.debugMode) {
10812 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10813 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10816 result = GameIsDrawn;
10817 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10818 resultDetails = buf;
10824 if(serverMoves != NULL && !loadFlag) { char c = '=';
10825 if(result==WhiteWins) c = '+';
10826 if(result==BlackWins) c = '-';
10827 if(resultDetails != NULL)
10828 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10830 if (resultDetails != NULL) {
10831 gameInfo.result = result;
10832 gameInfo.resultDetails = StrSave(resultDetails);
10834 /* display last move only if game was not loaded from file */
10835 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10836 DisplayMove(currentMove - 1);
10838 if (forwardMostMove != 0) {
10839 if (gameMode != PlayFromGameFile && gameMode != EditGame
10840 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10842 if (*appData.saveGameFile != NULLCHAR) {
10843 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10844 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10846 SaveGameToFile(appData.saveGameFile, TRUE);
10847 } else if (appData.autoSaveGames) {
10848 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10850 if (*appData.savePositionFile != NULLCHAR) {
10851 SavePositionToFile(appData.savePositionFile);
10853 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10857 /* Tell program how game ended in case it is learning */
10858 /* [HGM] Moved this to after saving the PGN, just in case */
10859 /* engine died and we got here through time loss. In that */
10860 /* case we will get a fatal error writing the pipe, which */
10861 /* would otherwise lose us the PGN. */
10862 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10863 /* output during GameEnds should never be fatal anymore */
10864 if (gameMode == MachinePlaysWhite ||
10865 gameMode == MachinePlaysBlack ||
10866 gameMode == TwoMachinesPlay ||
10867 gameMode == IcsPlayingWhite ||
10868 gameMode == IcsPlayingBlack ||
10869 gameMode == BeginningOfGame) {
10871 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10873 if (first.pr != NoProc) {
10874 SendToProgram(buf, &first);
10876 if (second.pr != NoProc &&
10877 gameMode == TwoMachinesPlay) {
10878 SendToProgram(buf, &second);
10883 if (appData.icsActive) {
10884 if (appData.quietPlay &&
10885 (gameMode == IcsPlayingWhite ||
10886 gameMode == IcsPlayingBlack)) {
10887 SendToICS(ics_prefix);
10888 SendToICS("set shout 1\n");
10890 nextGameMode = IcsIdle;
10891 ics_user_moved = FALSE;
10892 /* clean up premove. It's ugly when the game has ended and the
10893 * premove highlights are still on the board.
10896 gotPremove = FALSE;
10897 ClearPremoveHighlights();
10898 DrawPosition(FALSE, boards[currentMove]);
10900 if (whosays == GE_ICS) {
10903 if (gameMode == IcsPlayingWhite)
10905 else if(gameMode == IcsPlayingBlack)
10906 PlayIcsLossSound();
10909 if (gameMode == IcsPlayingBlack)
10911 else if(gameMode == IcsPlayingWhite)
10912 PlayIcsLossSound();
10915 PlayIcsDrawSound();
10918 PlayIcsUnfinishedSound();
10921 if(appData.quitNext) { ExitEvent(0); return; }
10922 } else if (gameMode == EditGame ||
10923 gameMode == PlayFromGameFile ||
10924 gameMode == AnalyzeMode ||
10925 gameMode == AnalyzeFile) {
10926 nextGameMode = gameMode;
10928 nextGameMode = EndOfGame;
10933 nextGameMode = gameMode;
10936 if (appData.noChessProgram) {
10937 gameMode = nextGameMode;
10939 endingGame = 0; /* [HGM] crash */
10944 /* Put first chess program into idle state */
10945 if (first.pr != NoProc &&
10946 (gameMode == MachinePlaysWhite ||
10947 gameMode == MachinePlaysBlack ||
10948 gameMode == TwoMachinesPlay ||
10949 gameMode == IcsPlayingWhite ||
10950 gameMode == IcsPlayingBlack ||
10951 gameMode == BeginningOfGame)) {
10952 SendToProgram("force\n", &first);
10953 if (first.usePing) {
10955 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10956 SendToProgram(buf, &first);
10959 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10960 /* Kill off first chess program */
10961 if (first.isr != NULL)
10962 RemoveInputSource(first.isr);
10965 if (first.pr != NoProc) {
10967 DoSleep( appData.delayBeforeQuit );
10968 SendToProgram("quit\n", &first);
10969 DoSleep( appData.delayAfterQuit );
10970 DestroyChildProcess(first.pr, first.useSigterm);
10971 first.reload = TRUE;
10975 if (second.reuse) {
10976 /* Put second chess program into idle state */
10977 if (second.pr != NoProc &&
10978 gameMode == TwoMachinesPlay) {
10979 SendToProgram("force\n", &second);
10980 if (second.usePing) {
10982 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10983 SendToProgram(buf, &second);
10986 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10987 /* Kill off second chess program */
10988 if (second.isr != NULL)
10989 RemoveInputSource(second.isr);
10992 if (second.pr != NoProc) {
10993 DoSleep( appData.delayBeforeQuit );
10994 SendToProgram("quit\n", &second);
10995 DoSleep( appData.delayAfterQuit );
10996 DestroyChildProcess(second.pr, second.useSigterm);
10997 second.reload = TRUE;
10999 second.pr = NoProc;
11002 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11003 char resChar = '=';
11007 if (first.twoMachinesColor[0] == 'w') {
11010 second.matchWins++;
11015 if (first.twoMachinesColor[0] == 'b') {
11018 second.matchWins++;
11021 case GameUnfinished:
11027 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11028 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11029 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11030 ReserveGame(nextGame, resChar); // sets nextGame
11031 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11032 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11033 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11035 if (nextGame <= appData.matchGames && !abortMatch) {
11036 gameMode = nextGameMode;
11037 matchGame = nextGame; // this will be overruled in tourney mode!
11038 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11039 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11040 endingGame = 0; /* [HGM] crash */
11043 gameMode = nextGameMode;
11044 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11045 first.tidy, second.tidy,
11046 first.matchWins, second.matchWins,
11047 appData.matchGames - (first.matchWins + second.matchWins));
11048 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11049 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11050 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11051 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11052 first.twoMachinesColor = "black\n";
11053 second.twoMachinesColor = "white\n";
11055 first.twoMachinesColor = "white\n";
11056 second.twoMachinesColor = "black\n";
11060 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11061 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11063 gameMode = nextGameMode;
11065 endingGame = 0; /* [HGM] crash */
11066 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11067 if(matchMode == TRUE) { // match through command line: exit with or without popup
11069 ToNrEvent(forwardMostMove);
11070 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11072 } else DisplayFatalError(buf, 0, 0);
11073 } else { // match through menu; just stop, with or without popup
11074 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11077 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11078 } else DisplayNote(buf);
11080 if(ranking) free(ranking);
11084 /* Assumes program was just initialized (initString sent).
11085 Leaves program in force mode. */
11087 FeedMovesToProgram (ChessProgramState *cps, int upto)
11091 if (appData.debugMode)
11092 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11093 startedFromSetupPosition ? "position and " : "",
11094 backwardMostMove, upto, cps->which);
11095 if(currentlyInitializedVariant != gameInfo.variant) {
11097 // [HGM] variantswitch: make engine aware of new variant
11098 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11099 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11100 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11101 SendToProgram(buf, cps);
11102 currentlyInitializedVariant = gameInfo.variant;
11104 SendToProgram("force\n", cps);
11105 if (startedFromSetupPosition) {
11106 SendBoard(cps, backwardMostMove);
11107 if (appData.debugMode) {
11108 fprintf(debugFP, "feedMoves\n");
11111 for (i = backwardMostMove; i < upto; i++) {
11112 SendMoveToProgram(i, cps);
11118 ResurrectChessProgram ()
11120 /* The chess program may have exited.
11121 If so, restart it and feed it all the moves made so far. */
11122 static int doInit = 0;
11124 if (appData.noChessProgram) return 1;
11126 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11127 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11128 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11129 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11131 if (first.pr != NoProc) return 1;
11132 StartChessProgram(&first);
11134 InitChessProgram(&first, FALSE);
11135 FeedMovesToProgram(&first, currentMove);
11137 if (!first.sendTime) {
11138 /* can't tell gnuchess what its clock should read,
11139 so we bow to its notion. */
11141 timeRemaining[0][currentMove] = whiteTimeRemaining;
11142 timeRemaining[1][currentMove] = blackTimeRemaining;
11145 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11146 appData.icsEngineAnalyze) && first.analysisSupport) {
11147 SendToProgram("analyze\n", &first);
11148 first.analyzing = TRUE;
11154 * Button procedures
11157 Reset (int redraw, int init)
11161 if (appData.debugMode) {
11162 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11163 redraw, init, gameMode);
11165 CleanupTail(); // [HGM] vari: delete any stored variations
11166 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11167 pausing = pauseExamInvalid = FALSE;
11168 startedFromSetupPosition = blackPlaysFirst = FALSE;
11170 whiteFlag = blackFlag = FALSE;
11171 userOfferedDraw = FALSE;
11172 hintRequested = bookRequested = FALSE;
11173 first.maybeThinking = FALSE;
11174 second.maybeThinking = FALSE;
11175 first.bookSuspend = FALSE; // [HGM] book
11176 second.bookSuspend = FALSE;
11177 thinkOutput[0] = NULLCHAR;
11178 lastHint[0] = NULLCHAR;
11179 ClearGameInfo(&gameInfo);
11180 gameInfo.variant = StringToVariant(appData.variant);
11181 ics_user_moved = ics_clock_paused = FALSE;
11182 ics_getting_history = H_FALSE;
11184 white_holding[0] = black_holding[0] = NULLCHAR;
11185 ClearProgramStats();
11186 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11190 flipView = appData.flipView;
11191 ClearPremoveHighlights();
11192 gotPremove = FALSE;
11193 alarmSounded = FALSE;
11195 GameEnds(EndOfFile, NULL, GE_PLAYER);
11196 if(appData.serverMovesName != NULL) {
11197 /* [HGM] prepare to make moves file for broadcasting */
11198 clock_t t = clock();
11199 if(serverMoves != NULL) fclose(serverMoves);
11200 serverMoves = fopen(appData.serverMovesName, "r");
11201 if(serverMoves != NULL) {
11202 fclose(serverMoves);
11203 /* delay 15 sec before overwriting, so all clients can see end */
11204 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11206 serverMoves = fopen(appData.serverMovesName, "w");
11210 gameMode = BeginningOfGame;
11212 if(appData.icsActive) gameInfo.variant = VariantNormal;
11213 currentMove = forwardMostMove = backwardMostMove = 0;
11214 MarkTargetSquares(1);
11215 InitPosition(redraw);
11216 for (i = 0; i < MAX_MOVES; i++) {
11217 if (commentList[i] != NULL) {
11218 free(commentList[i]);
11219 commentList[i] = NULL;
11223 timeRemaining[0][0] = whiteTimeRemaining;
11224 timeRemaining[1][0] = blackTimeRemaining;
11226 if (first.pr == NoProc) {
11227 StartChessProgram(&first);
11230 InitChessProgram(&first, startedFromSetupPosition);
11233 DisplayMessage("", "");
11234 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11235 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11236 ClearMap(); // [HGM] exclude: invalidate map
11240 AutoPlayGameLoop ()
11243 if (!AutoPlayOneMove())
11245 if (matchMode || appData.timeDelay == 0)
11247 if (appData.timeDelay < 0)
11249 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11257 ReloadGame(1); // next game
11263 int fromX, fromY, toX, toY;
11265 if (appData.debugMode) {
11266 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11269 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11272 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11273 pvInfoList[currentMove].depth = programStats.depth;
11274 pvInfoList[currentMove].score = programStats.score;
11275 pvInfoList[currentMove].time = 0;
11276 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11277 else { // append analysis of final position as comment
11279 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11280 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11282 programStats.depth = 0;
11285 if (currentMove >= forwardMostMove) {
11286 if(gameMode == AnalyzeFile) {
11287 if(appData.loadGameIndex == -1) {
11288 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11289 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11291 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11294 // gameMode = EndOfGame;
11295 // ModeHighlight();
11297 /* [AS] Clear current move marker at the end of a game */
11298 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11303 toX = moveList[currentMove][2] - AAA;
11304 toY = moveList[currentMove][3] - ONE;
11306 if (moveList[currentMove][1] == '@') {
11307 if (appData.highlightLastMove) {
11308 SetHighlights(-1, -1, toX, toY);
11311 fromX = moveList[currentMove][0] - AAA;
11312 fromY = moveList[currentMove][1] - ONE;
11314 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11316 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11318 if (appData.highlightLastMove) {
11319 SetHighlights(fromX, fromY, toX, toY);
11322 DisplayMove(currentMove);
11323 SendMoveToProgram(currentMove++, &first);
11324 DisplayBothClocks();
11325 DrawPosition(FALSE, boards[currentMove]);
11326 // [HGM] PV info: always display, routine tests if empty
11327 DisplayComment(currentMove - 1, commentList[currentMove]);
11333 LoadGameOneMove (ChessMove readAhead)
11335 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11336 char promoChar = NULLCHAR;
11337 ChessMove moveType;
11338 char move[MSG_SIZ];
11341 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11342 gameMode != AnalyzeMode && gameMode != Training) {
11347 yyboardindex = forwardMostMove;
11348 if (readAhead != EndOfFile) {
11349 moveType = readAhead;
11351 if (gameFileFP == NULL)
11353 moveType = (ChessMove) Myylex();
11357 switch (moveType) {
11359 if (appData.debugMode)
11360 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11363 /* append the comment but don't display it */
11364 AppendComment(currentMove, p, FALSE);
11367 case WhiteCapturesEnPassant:
11368 case BlackCapturesEnPassant:
11369 case WhitePromotion:
11370 case BlackPromotion:
11371 case WhiteNonPromotion:
11372 case BlackNonPromotion:
11374 case WhiteKingSideCastle:
11375 case WhiteQueenSideCastle:
11376 case BlackKingSideCastle:
11377 case BlackQueenSideCastle:
11378 case WhiteKingSideCastleWild:
11379 case WhiteQueenSideCastleWild:
11380 case BlackKingSideCastleWild:
11381 case BlackQueenSideCastleWild:
11383 case WhiteHSideCastleFR:
11384 case WhiteASideCastleFR:
11385 case BlackHSideCastleFR:
11386 case BlackASideCastleFR:
11388 if (appData.debugMode)
11389 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11390 fromX = currentMoveString[0] - AAA;
11391 fromY = currentMoveString[1] - ONE;
11392 toX = currentMoveString[2] - AAA;
11393 toY = currentMoveString[3] - ONE;
11394 promoChar = currentMoveString[4];
11399 if (appData.debugMode)
11400 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11401 fromX = moveType == WhiteDrop ?
11402 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11403 (int) CharToPiece(ToLower(currentMoveString[0]));
11405 toX = currentMoveString[2] - AAA;
11406 toY = currentMoveString[3] - ONE;
11412 case GameUnfinished:
11413 if (appData.debugMode)
11414 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11415 p = strchr(yy_text, '{');
11416 if (p == NULL) p = strchr(yy_text, '(');
11419 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11421 q = strchr(p, *p == '{' ? '}' : ')');
11422 if (q != NULL) *q = NULLCHAR;
11425 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11426 GameEnds(moveType, p, GE_FILE);
11428 if (cmailMsgLoaded) {
11430 flipView = WhiteOnMove(currentMove);
11431 if (moveType == GameUnfinished) flipView = !flipView;
11432 if (appData.debugMode)
11433 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11438 if (appData.debugMode)
11439 fprintf(debugFP, "Parser hit end of file\n");
11440 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11446 if (WhiteOnMove(currentMove)) {
11447 GameEnds(BlackWins, "Black mates", GE_FILE);
11449 GameEnds(WhiteWins, "White mates", GE_FILE);
11453 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11459 case MoveNumberOne:
11460 if (lastLoadGameStart == GNUChessGame) {
11461 /* GNUChessGames have numbers, but they aren't move numbers */
11462 if (appData.debugMode)
11463 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11464 yy_text, (int) moveType);
11465 return LoadGameOneMove(EndOfFile); /* tail recursion */
11467 /* else fall thru */
11472 /* Reached start of next game in file */
11473 if (appData.debugMode)
11474 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11475 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11481 if (WhiteOnMove(currentMove)) {
11482 GameEnds(BlackWins, "Black mates", GE_FILE);
11484 GameEnds(WhiteWins, "White mates", GE_FILE);
11488 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11494 case PositionDiagram: /* should not happen; ignore */
11495 case ElapsedTime: /* ignore */
11496 case NAG: /* ignore */
11497 if (appData.debugMode)
11498 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11499 yy_text, (int) moveType);
11500 return LoadGameOneMove(EndOfFile); /* tail recursion */
11503 if (appData.testLegality) {
11504 if (appData.debugMode)
11505 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11506 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11507 (forwardMostMove / 2) + 1,
11508 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11509 DisplayError(move, 0);
11512 if (appData.debugMode)
11513 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11514 yy_text, currentMoveString);
11515 fromX = currentMoveString[0] - AAA;
11516 fromY = currentMoveString[1] - ONE;
11517 toX = currentMoveString[2] - AAA;
11518 toY = currentMoveString[3] - ONE;
11519 promoChar = currentMoveString[4];
11523 case AmbiguousMove:
11524 if (appData.debugMode)
11525 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11526 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11527 (forwardMostMove / 2) + 1,
11528 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11529 DisplayError(move, 0);
11534 case ImpossibleMove:
11535 if (appData.debugMode)
11536 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11537 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11538 (forwardMostMove / 2) + 1,
11539 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11540 DisplayError(move, 0);
11546 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11547 DrawPosition(FALSE, boards[currentMove]);
11548 DisplayBothClocks();
11549 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11550 DisplayComment(currentMove - 1, commentList[currentMove]);
11552 (void) StopLoadGameTimer();
11554 cmailOldMove = forwardMostMove;
11557 /* currentMoveString is set as a side-effect of yylex */
11559 thinkOutput[0] = NULLCHAR;
11560 MakeMove(fromX, fromY, toX, toY, promoChar);
11561 currentMove = forwardMostMove;
11566 /* Load the nth game from the given file */
11568 LoadGameFromFile (char *filename, int n, char *title, int useList)
11573 if (strcmp(filename, "-") == 0) {
11577 f = fopen(filename, "rb");
11579 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11580 DisplayError(buf, errno);
11584 if (fseek(f, 0, 0) == -1) {
11585 /* f is not seekable; probably a pipe */
11588 if (useList && n == 0) {
11589 int error = GameListBuild(f);
11591 DisplayError(_("Cannot build game list"), error);
11592 } else if (!ListEmpty(&gameList) &&
11593 ((ListGame *) gameList.tailPred)->number > 1) {
11594 GameListPopUp(f, title);
11601 return LoadGame(f, n, title, FALSE);
11606 MakeRegisteredMove ()
11608 int fromX, fromY, toX, toY;
11610 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11611 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11614 if (appData.debugMode)
11615 fprintf(debugFP, "Restoring %s for game %d\n",
11616 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11618 thinkOutput[0] = NULLCHAR;
11619 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11620 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11621 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11622 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11623 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11624 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11625 MakeMove(fromX, fromY, toX, toY, promoChar);
11626 ShowMove(fromX, fromY, toX, toY);
11628 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11635 if (WhiteOnMove(currentMove)) {
11636 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11638 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11643 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11650 if (WhiteOnMove(currentMove)) {
11651 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11653 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11658 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11669 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11671 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11675 if (gameNumber > nCmailGames) {
11676 DisplayError(_("No more games in this message"), 0);
11679 if (f == lastLoadGameFP) {
11680 int offset = gameNumber - lastLoadGameNumber;
11682 cmailMsg[0] = NULLCHAR;
11683 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11684 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11685 nCmailMovesRegistered--;
11687 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11688 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11689 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11692 if (! RegisterMove()) return FALSE;
11696 retVal = LoadGame(f, gameNumber, title, useList);
11698 /* Make move registered during previous look at this game, if any */
11699 MakeRegisteredMove();
11701 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11702 commentList[currentMove]
11703 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11704 DisplayComment(currentMove - 1, commentList[currentMove]);
11710 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11712 ReloadGame (int offset)
11714 int gameNumber = lastLoadGameNumber + offset;
11715 if (lastLoadGameFP == NULL) {
11716 DisplayError(_("No game has been loaded yet"), 0);
11719 if (gameNumber <= 0) {
11720 DisplayError(_("Can't back up any further"), 0);
11723 if (cmailMsgLoaded) {
11724 return CmailLoadGame(lastLoadGameFP, gameNumber,
11725 lastLoadGameTitle, lastLoadGameUseList);
11727 return LoadGame(lastLoadGameFP, gameNumber,
11728 lastLoadGameTitle, lastLoadGameUseList);
11732 int keys[EmptySquare+1];
11735 PositionMatches (Board b1, Board b2)
11738 switch(appData.searchMode) {
11739 case 1: return CompareWithRights(b1, b2);
11741 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11742 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11746 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11747 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11748 sum += keys[b1[r][f]] - keys[b2[r][f]];
11752 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11753 sum += keys[b1[r][f]] - keys[b2[r][f]];
11765 int pieceList[256], quickBoard[256];
11766 ChessSquare pieceType[256] = { EmptySquare };
11767 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11768 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11769 int soughtTotal, turn;
11770 Boolean epOK, flipSearch;
11773 unsigned char piece, to;
11776 #define DSIZE (250000)
11778 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11779 Move *moveDatabase = initialSpace;
11780 unsigned int movePtr, dataSize = DSIZE;
11783 MakePieceList (Board board, int *counts)
11785 int r, f, n=Q_PROMO, total=0;
11786 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11787 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11788 int sq = f + (r<<4);
11789 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11790 quickBoard[sq] = ++n;
11792 pieceType[n] = board[r][f];
11793 counts[board[r][f]]++;
11794 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11795 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11799 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11804 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11806 int sq = fromX + (fromY<<4);
11807 int piece = quickBoard[sq];
11808 quickBoard[sq] = 0;
11809 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11810 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11811 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11812 moveDatabase[movePtr++].piece = Q_WCASTL;
11813 quickBoard[sq] = piece;
11814 piece = quickBoard[from]; quickBoard[from] = 0;
11815 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11817 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11818 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11819 moveDatabase[movePtr++].piece = Q_BCASTL;
11820 quickBoard[sq] = piece;
11821 piece = quickBoard[from]; quickBoard[from] = 0;
11822 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11824 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11825 quickBoard[(fromY<<4)+toX] = 0;
11826 moveDatabase[movePtr].piece = Q_EP;
11827 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11828 moveDatabase[movePtr].to = sq;
11830 if(promoPiece != pieceType[piece]) {
11831 moveDatabase[movePtr++].piece = Q_PROMO;
11832 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11834 moveDatabase[movePtr].piece = piece;
11835 quickBoard[sq] = piece;
11840 PackGame (Board board)
11842 Move *newSpace = NULL;
11843 moveDatabase[movePtr].piece = 0; // terminate previous game
11844 if(movePtr > dataSize) {
11845 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11846 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11847 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11850 Move *p = moveDatabase, *q = newSpace;
11851 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11852 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11853 moveDatabase = newSpace;
11854 } else { // calloc failed, we must be out of memory. Too bad...
11855 dataSize = 0; // prevent calloc events for all subsequent games
11856 return 0; // and signal this one isn't cached
11860 MakePieceList(board, counts);
11865 QuickCompare (Board board, int *minCounts, int *maxCounts)
11866 { // compare according to search mode
11868 switch(appData.searchMode)
11870 case 1: // exact position match
11871 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11872 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11873 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11876 case 2: // can have extra material on empty squares
11877 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11878 if(board[r][f] == EmptySquare) continue;
11879 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11882 case 3: // material with exact Pawn structure
11883 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11884 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11885 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11886 } // fall through to material comparison
11887 case 4: // exact material
11888 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11890 case 6: // material range with given imbalance
11891 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11892 // fall through to range comparison
11893 case 5: // material range
11894 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11900 QuickScan (Board board, Move *move)
11901 { // reconstruct game,and compare all positions in it
11902 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11904 int piece = move->piece;
11905 int to = move->to, from = pieceList[piece];
11906 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11907 if(!piece) return -1;
11908 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11909 piece = (++move)->piece;
11910 from = pieceList[piece];
11911 counts[pieceType[piece]]--;
11912 pieceType[piece] = (ChessSquare) move->to;
11913 counts[move->to]++;
11914 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11915 counts[pieceType[quickBoard[to]]]--;
11916 quickBoard[to] = 0; total--;
11919 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11920 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11921 from = pieceList[piece]; // so this must be King
11922 quickBoard[from] = 0;
11923 pieceList[piece] = to;
11924 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11925 quickBoard[from] = 0; // rook
11926 quickBoard[to] = piece;
11927 to = move->to; piece = move->piece;
11931 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11932 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11933 quickBoard[from] = 0;
11935 quickBoard[to] = piece;
11936 pieceList[piece] = to;
11938 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11939 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11940 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11941 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11943 static int lastCounts[EmptySquare+1];
11945 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11946 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11947 } else stretch = 0;
11948 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11957 flipSearch = FALSE;
11958 CopyBoard(soughtBoard, boards[currentMove]);
11959 soughtTotal = MakePieceList(soughtBoard, maxSought);
11960 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11961 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11962 CopyBoard(reverseBoard, boards[currentMove]);
11963 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11964 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11965 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11966 reverseBoard[r][f] = piece;
11968 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11969 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11970 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11971 || (boards[currentMove][CASTLING][2] == NoRights ||
11972 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11973 && (boards[currentMove][CASTLING][5] == NoRights ||
11974 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11977 CopyBoard(flipBoard, soughtBoard);
11978 CopyBoard(rotateBoard, reverseBoard);
11979 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11980 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11981 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11984 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11985 if(appData.searchMode >= 5) {
11986 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11987 MakePieceList(soughtBoard, minSought);
11988 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11990 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11991 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11994 GameInfo dummyInfo;
11995 static int creatingBook;
11998 GameContainsPosition (FILE *f, ListGame *lg)
12000 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12001 int fromX, fromY, toX, toY;
12003 static int initDone=FALSE;
12005 // weed out games based on numerical tag comparison
12006 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12007 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12008 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12009 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12011 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12014 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
12015 else CopyBoard(boards[scratch], initialPosition); // default start position
12018 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12019 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12022 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12023 fseek(f, lg->offset, 0);
12026 yyboardindex = scratch;
12027 quickFlag = plyNr+1;
12032 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12038 if(plyNr) return -1; // after we have seen moves, this is for new game
12041 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12042 case ImpossibleMove:
12043 case WhiteWins: // game ends here with these four
12046 case GameUnfinished:
12050 if(appData.testLegality) return -1;
12051 case WhiteCapturesEnPassant:
12052 case BlackCapturesEnPassant:
12053 case WhitePromotion:
12054 case BlackPromotion:
12055 case WhiteNonPromotion:
12056 case BlackNonPromotion:
12058 case WhiteKingSideCastle:
12059 case WhiteQueenSideCastle:
12060 case BlackKingSideCastle:
12061 case BlackQueenSideCastle:
12062 case WhiteKingSideCastleWild:
12063 case WhiteQueenSideCastleWild:
12064 case BlackKingSideCastleWild:
12065 case BlackQueenSideCastleWild:
12066 case WhiteHSideCastleFR:
12067 case WhiteASideCastleFR:
12068 case BlackHSideCastleFR:
12069 case BlackASideCastleFR:
12070 fromX = currentMoveString[0] - AAA;
12071 fromY = currentMoveString[1] - ONE;
12072 toX = currentMoveString[2] - AAA;
12073 toY = currentMoveString[3] - ONE;
12074 promoChar = currentMoveString[4];
12078 fromX = next == WhiteDrop ?
12079 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12080 (int) CharToPiece(ToLower(currentMoveString[0]));
12082 toX = currentMoveString[2] - AAA;
12083 toY = currentMoveString[3] - ONE;
12087 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12089 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12090 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12091 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12092 if(appData.findMirror) {
12093 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12094 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12099 /* Load the nth game from open file f */
12101 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12105 int gn = gameNumber;
12106 ListGame *lg = NULL;
12107 int numPGNTags = 0;
12109 GameMode oldGameMode;
12110 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12112 if (appData.debugMode)
12113 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12115 if (gameMode == Training )
12116 SetTrainingModeOff();
12118 oldGameMode = gameMode;
12119 if (gameMode != BeginningOfGame) {
12120 Reset(FALSE, TRUE);
12124 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12125 fclose(lastLoadGameFP);
12129 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12132 fseek(f, lg->offset, 0);
12133 GameListHighlight(gameNumber);
12134 pos = lg->position;
12138 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12139 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12141 DisplayError(_("Game number out of range"), 0);
12146 if (fseek(f, 0, 0) == -1) {
12147 if (f == lastLoadGameFP ?
12148 gameNumber == lastLoadGameNumber + 1 :
12152 DisplayError(_("Can't seek on game file"), 0);
12157 lastLoadGameFP = f;
12158 lastLoadGameNumber = gameNumber;
12159 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12160 lastLoadGameUseList = useList;
12164 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12165 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12166 lg->gameInfo.black);
12168 } else if (*title != NULLCHAR) {
12169 if (gameNumber > 1) {
12170 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12173 DisplayTitle(title);
12177 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12178 gameMode = PlayFromGameFile;
12182 currentMove = forwardMostMove = backwardMostMove = 0;
12183 CopyBoard(boards[0], initialPosition);
12187 * Skip the first gn-1 games in the file.
12188 * Also skip over anything that precedes an identifiable
12189 * start of game marker, to avoid being confused by
12190 * garbage at the start of the file. Currently
12191 * recognized start of game markers are the move number "1",
12192 * the pattern "gnuchess .* game", the pattern
12193 * "^[#;%] [^ ]* game file", and a PGN tag block.
12194 * A game that starts with one of the latter two patterns
12195 * will also have a move number 1, possibly
12196 * following a position diagram.
12197 * 5-4-02: Let's try being more lenient and allowing a game to
12198 * start with an unnumbered move. Does that break anything?
12200 cm = lastLoadGameStart = EndOfFile;
12202 yyboardindex = forwardMostMove;
12203 cm = (ChessMove) Myylex();
12206 if (cmailMsgLoaded) {
12207 nCmailGames = CMAIL_MAX_GAMES - gn;
12210 DisplayError(_("Game not found in file"), 0);
12217 lastLoadGameStart = cm;
12220 case MoveNumberOne:
12221 switch (lastLoadGameStart) {
12226 case MoveNumberOne:
12228 gn--; /* count this game */
12229 lastLoadGameStart = cm;
12238 switch (lastLoadGameStart) {
12241 case MoveNumberOne:
12243 gn--; /* count this game */
12244 lastLoadGameStart = cm;
12247 lastLoadGameStart = cm; /* game counted already */
12255 yyboardindex = forwardMostMove;
12256 cm = (ChessMove) Myylex();
12257 } while (cm == PGNTag || cm == Comment);
12264 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12265 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12266 != CMAIL_OLD_RESULT) {
12268 cmailResult[ CMAIL_MAX_GAMES
12269 - gn - 1] = CMAIL_OLD_RESULT;
12275 /* Only a NormalMove can be at the start of a game
12276 * without a position diagram. */
12277 if (lastLoadGameStart == EndOfFile ) {
12279 lastLoadGameStart = MoveNumberOne;
12288 if (appData.debugMode)
12289 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12291 if (cm == XBoardGame) {
12292 /* Skip any header junk before position diagram and/or move 1 */
12294 yyboardindex = forwardMostMove;
12295 cm = (ChessMove) Myylex();
12297 if (cm == EndOfFile ||
12298 cm == GNUChessGame || cm == XBoardGame) {
12299 /* Empty game; pretend end-of-file and handle later */
12304 if (cm == MoveNumberOne || cm == PositionDiagram ||
12305 cm == PGNTag || cm == Comment)
12308 } else if (cm == GNUChessGame) {
12309 if (gameInfo.event != NULL) {
12310 free(gameInfo.event);
12312 gameInfo.event = StrSave(yy_text);
12315 startedFromSetupPosition = FALSE;
12316 while (cm == PGNTag) {
12317 if (appData.debugMode)
12318 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12319 err = ParsePGNTag(yy_text, &gameInfo);
12320 if (!err) numPGNTags++;
12322 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12323 if(gameInfo.variant != oldVariant) {
12324 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12325 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12326 InitPosition(TRUE);
12327 oldVariant = gameInfo.variant;
12328 if (appData.debugMode)
12329 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12333 if (gameInfo.fen != NULL) {
12334 Board initial_position;
12335 startedFromSetupPosition = TRUE;
12336 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12338 DisplayError(_("Bad FEN position in file"), 0);
12341 CopyBoard(boards[0], initial_position);
12342 if (blackPlaysFirst) {
12343 currentMove = forwardMostMove = backwardMostMove = 1;
12344 CopyBoard(boards[1], initial_position);
12345 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12346 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12347 timeRemaining[0][1] = whiteTimeRemaining;
12348 timeRemaining[1][1] = blackTimeRemaining;
12349 if (commentList[0] != NULL) {
12350 commentList[1] = commentList[0];
12351 commentList[0] = NULL;
12354 currentMove = forwardMostMove = backwardMostMove = 0;
12356 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12358 initialRulePlies = FENrulePlies;
12359 for( i=0; i< nrCastlingRights; i++ )
12360 initialRights[i] = initial_position[CASTLING][i];
12362 yyboardindex = forwardMostMove;
12363 free(gameInfo.fen);
12364 gameInfo.fen = NULL;
12367 yyboardindex = forwardMostMove;
12368 cm = (ChessMove) Myylex();
12370 /* Handle comments interspersed among the tags */
12371 while (cm == Comment) {
12373 if (appData.debugMode)
12374 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12376 AppendComment(currentMove, p, FALSE);
12377 yyboardindex = forwardMostMove;
12378 cm = (ChessMove) Myylex();
12382 /* don't rely on existence of Event tag since if game was
12383 * pasted from clipboard the Event tag may not exist
12385 if (numPGNTags > 0){
12387 if (gameInfo.variant == VariantNormal) {
12388 VariantClass v = StringToVariant(gameInfo.event);
12389 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12390 if(v < VariantShogi) gameInfo.variant = v;
12393 if( appData.autoDisplayTags ) {
12394 tags = PGNTags(&gameInfo);
12395 TagsPopUp(tags, CmailMsg());
12400 /* Make something up, but don't display it now */
12405 if (cm == PositionDiagram) {
12408 Board initial_position;
12410 if (appData.debugMode)
12411 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12413 if (!startedFromSetupPosition) {
12415 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12416 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12427 initial_position[i][j++] = CharToPiece(*p);
12430 while (*p == ' ' || *p == '\t' ||
12431 *p == '\n' || *p == '\r') p++;
12433 if (strncmp(p, "black", strlen("black"))==0)
12434 blackPlaysFirst = TRUE;
12436 blackPlaysFirst = FALSE;
12437 startedFromSetupPosition = TRUE;
12439 CopyBoard(boards[0], initial_position);
12440 if (blackPlaysFirst) {
12441 currentMove = forwardMostMove = backwardMostMove = 1;
12442 CopyBoard(boards[1], initial_position);
12443 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12444 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12445 timeRemaining[0][1] = whiteTimeRemaining;
12446 timeRemaining[1][1] = blackTimeRemaining;
12447 if (commentList[0] != NULL) {
12448 commentList[1] = commentList[0];
12449 commentList[0] = NULL;
12452 currentMove = forwardMostMove = backwardMostMove = 0;
12455 yyboardindex = forwardMostMove;
12456 cm = (ChessMove) Myylex();
12459 if(!creatingBook) {
12460 if (first.pr == NoProc) {
12461 StartChessProgram(&first);
12463 InitChessProgram(&first, FALSE);
12464 SendToProgram("force\n", &first);
12465 if (startedFromSetupPosition) {
12466 SendBoard(&first, forwardMostMove);
12467 if (appData.debugMode) {
12468 fprintf(debugFP, "Load Game\n");
12470 DisplayBothClocks();
12474 /* [HGM] server: flag to write setup moves in broadcast file as one */
12475 loadFlag = appData.suppressLoadMoves;
12477 while (cm == Comment) {
12479 if (appData.debugMode)
12480 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12482 AppendComment(currentMove, p, FALSE);
12483 yyboardindex = forwardMostMove;
12484 cm = (ChessMove) Myylex();
12487 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12488 cm == WhiteWins || cm == BlackWins ||
12489 cm == GameIsDrawn || cm == GameUnfinished) {
12490 DisplayMessage("", _("No moves in game"));
12491 if (cmailMsgLoaded) {
12492 if (appData.debugMode)
12493 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12497 DrawPosition(FALSE, boards[currentMove]);
12498 DisplayBothClocks();
12499 gameMode = EditGame;
12506 // [HGM] PV info: routine tests if comment empty
12507 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12508 DisplayComment(currentMove - 1, commentList[currentMove]);
12510 if (!matchMode && appData.timeDelay != 0)
12511 DrawPosition(FALSE, boards[currentMove]);
12513 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12514 programStats.ok_to_send = 1;
12517 /* if the first token after the PGN tags is a move
12518 * and not move number 1, retrieve it from the parser
12520 if (cm != MoveNumberOne)
12521 LoadGameOneMove(cm);
12523 /* load the remaining moves from the file */
12524 while (LoadGameOneMove(EndOfFile)) {
12525 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12526 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12529 /* rewind to the start of the game */
12530 currentMove = backwardMostMove;
12532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12534 if (oldGameMode == AnalyzeFile) {
12535 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12536 AnalyzeFileEvent();
12538 if (oldGameMode == AnalyzeMode) {
12539 AnalyzeFileEvent();
12542 if(creatingBook) return TRUE;
12543 if (!matchMode && pos > 0) {
12544 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12546 if (matchMode || appData.timeDelay == 0) {
12548 } else if (appData.timeDelay > 0) {
12549 AutoPlayGameLoop();
12552 if (appData.debugMode)
12553 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12555 loadFlag = 0; /* [HGM] true game starts */
12559 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12561 ReloadPosition (int offset)
12563 int positionNumber = lastLoadPositionNumber + offset;
12564 if (lastLoadPositionFP == NULL) {
12565 DisplayError(_("No position has been loaded yet"), 0);
12568 if (positionNumber <= 0) {
12569 DisplayError(_("Can't back up any further"), 0);
12572 return LoadPosition(lastLoadPositionFP, positionNumber,
12573 lastLoadPositionTitle);
12576 /* Load the nth position from the given file */
12578 LoadPositionFromFile (char *filename, int n, char *title)
12583 if (strcmp(filename, "-") == 0) {
12584 return LoadPosition(stdin, n, "stdin");
12586 f = fopen(filename, "rb");
12588 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12589 DisplayError(buf, errno);
12592 return LoadPosition(f, n, title);
12597 /* Load the nth position from the given open file, and close it */
12599 LoadPosition (FILE *f, int positionNumber, char *title)
12601 char *p, line[MSG_SIZ];
12602 Board initial_position;
12603 int i, j, fenMode, pn;
12605 if (gameMode == Training )
12606 SetTrainingModeOff();
12608 if (gameMode != BeginningOfGame) {
12609 Reset(FALSE, TRUE);
12611 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12612 fclose(lastLoadPositionFP);
12614 if (positionNumber == 0) positionNumber = 1;
12615 lastLoadPositionFP = f;
12616 lastLoadPositionNumber = positionNumber;
12617 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12618 if (first.pr == NoProc && !appData.noChessProgram) {
12619 StartChessProgram(&first);
12620 InitChessProgram(&first, FALSE);
12622 pn = positionNumber;
12623 if (positionNumber < 0) {
12624 /* Negative position number means to seek to that byte offset */
12625 if (fseek(f, -positionNumber, 0) == -1) {
12626 DisplayError(_("Can't seek on position file"), 0);
12631 if (fseek(f, 0, 0) == -1) {
12632 if (f == lastLoadPositionFP ?
12633 positionNumber == lastLoadPositionNumber + 1 :
12634 positionNumber == 1) {
12637 DisplayError(_("Can't seek on position file"), 0);
12642 /* See if this file is FEN or old-style xboard */
12643 if (fgets(line, MSG_SIZ, f) == NULL) {
12644 DisplayError(_("Position not found in file"), 0);
12647 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12648 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12651 if (fenMode || line[0] == '#') pn--;
12653 /* skip positions before number pn */
12654 if (fgets(line, MSG_SIZ, f) == NULL) {
12656 DisplayError(_("Position not found in file"), 0);
12659 if (fenMode || line[0] == '#') pn--;
12664 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12665 DisplayError(_("Bad FEN position in file"), 0);
12669 (void) fgets(line, MSG_SIZ, f);
12670 (void) fgets(line, MSG_SIZ, f);
12672 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12673 (void) fgets(line, MSG_SIZ, f);
12674 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12677 initial_position[i][j++] = CharToPiece(*p);
12681 blackPlaysFirst = FALSE;
12683 (void) fgets(line, MSG_SIZ, f);
12684 if (strncmp(line, "black", strlen("black"))==0)
12685 blackPlaysFirst = TRUE;
12688 startedFromSetupPosition = TRUE;
12690 CopyBoard(boards[0], initial_position);
12691 if (blackPlaysFirst) {
12692 currentMove = forwardMostMove = backwardMostMove = 1;
12693 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12694 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12695 CopyBoard(boards[1], initial_position);
12696 DisplayMessage("", _("Black to play"));
12698 currentMove = forwardMostMove = backwardMostMove = 0;
12699 DisplayMessage("", _("White to play"));
12701 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12702 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12703 SendToProgram("force\n", &first);
12704 SendBoard(&first, forwardMostMove);
12706 if (appData.debugMode) {
12708 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12709 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12710 fprintf(debugFP, "Load Position\n");
12713 if (positionNumber > 1) {
12714 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12715 DisplayTitle(line);
12717 DisplayTitle(title);
12719 gameMode = EditGame;
12722 timeRemaining[0][1] = whiteTimeRemaining;
12723 timeRemaining[1][1] = blackTimeRemaining;
12724 DrawPosition(FALSE, boards[currentMove]);
12731 CopyPlayerNameIntoFileName (char **dest, char *src)
12733 while (*src != NULLCHAR && *src != ',') {
12738 *(*dest)++ = *src++;
12744 DefaultFileName (char *ext)
12746 static char def[MSG_SIZ];
12749 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12751 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12753 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12755 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12762 /* Save the current game to the given file */
12764 SaveGameToFile (char *filename, int append)
12768 int result, i, t,tot=0;
12770 if (strcmp(filename, "-") == 0) {
12771 return SaveGame(stdout, 0, NULL);
12773 for(i=0; i<10; i++) { // upto 10 tries
12774 f = fopen(filename, append ? "a" : "w");
12775 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12776 if(f || errno != 13) break;
12777 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12781 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12782 DisplayError(buf, errno);
12785 safeStrCpy(buf, lastMsg, MSG_SIZ);
12786 DisplayMessage(_("Waiting for access to save file"), "");
12787 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12788 DisplayMessage(_("Saving game"), "");
12789 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12790 result = SaveGame(f, 0, NULL);
12791 DisplayMessage(buf, "");
12798 SavePart (char *str)
12800 static char buf[MSG_SIZ];
12803 p = strchr(str, ' ');
12804 if (p == NULL) return str;
12805 strncpy(buf, str, p - str);
12806 buf[p - str] = NULLCHAR;
12810 #define PGN_MAX_LINE 75
12812 #define PGN_SIDE_WHITE 0
12813 #define PGN_SIDE_BLACK 1
12816 FindFirstMoveOutOfBook (int side)
12820 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12821 int index = backwardMostMove;
12822 int has_book_hit = 0;
12824 if( (index % 2) != side ) {
12828 while( index < forwardMostMove ) {
12829 /* Check to see if engine is in book */
12830 int depth = pvInfoList[index].depth;
12831 int score = pvInfoList[index].score;
12837 else if( score == 0 && depth == 63 ) {
12838 in_book = 1; /* Zappa */
12840 else if( score == 2 && depth == 99 ) {
12841 in_book = 1; /* Abrok */
12844 has_book_hit += in_book;
12860 GetOutOfBookInfo (char * buf)
12864 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12866 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12867 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12871 if( oob[0] >= 0 || oob[1] >= 0 ) {
12872 for( i=0; i<2; i++ ) {
12876 if( i > 0 && oob[0] >= 0 ) {
12877 strcat( buf, " " );
12880 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12881 sprintf( buf+strlen(buf), "%s%.2f",
12882 pvInfoList[idx].score >= 0 ? "+" : "",
12883 pvInfoList[idx].score / 100.0 );
12889 /* Save game in PGN style and close the file */
12891 SaveGamePGN (FILE *f)
12893 int i, offset, linelen, newblock;
12896 int movelen, numlen, blank;
12897 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12899 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12901 PrintPGNTags(f, &gameInfo);
12903 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12905 if (backwardMostMove > 0 || startedFromSetupPosition) {
12906 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12907 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12908 fprintf(f, "\n{--------------\n");
12909 PrintPosition(f, backwardMostMove);
12910 fprintf(f, "--------------}\n");
12914 /* [AS] Out of book annotation */
12915 if( appData.saveOutOfBookInfo ) {
12918 GetOutOfBookInfo( buf );
12920 if( buf[0] != '\0' ) {
12921 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12928 i = backwardMostMove;
12932 while (i < forwardMostMove) {
12933 /* Print comments preceding this move */
12934 if (commentList[i] != NULL) {
12935 if (linelen > 0) fprintf(f, "\n");
12936 fprintf(f, "%s", commentList[i]);
12941 /* Format move number */
12943 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12946 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12948 numtext[0] = NULLCHAR;
12950 numlen = strlen(numtext);
12953 /* Print move number */
12954 blank = linelen > 0 && numlen > 0;
12955 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12964 fprintf(f, "%s", numtext);
12968 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12969 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12972 blank = linelen > 0 && movelen > 0;
12973 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12982 fprintf(f, "%s", move_buffer);
12983 linelen += movelen;
12985 /* [AS] Add PV info if present */
12986 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12987 /* [HGM] add time */
12988 char buf[MSG_SIZ]; int seconds;
12990 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12996 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12999 seconds = (seconds + 4)/10; // round to full seconds
13001 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13003 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13006 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13007 pvInfoList[i].score >= 0 ? "+" : "",
13008 pvInfoList[i].score / 100.0,
13009 pvInfoList[i].depth,
13012 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13014 /* Print score/depth */
13015 blank = linelen > 0 && movelen > 0;
13016 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13025 fprintf(f, "%s", move_buffer);
13026 linelen += movelen;
13032 /* Start a new line */
13033 if (linelen > 0) fprintf(f, "\n");
13035 /* Print comments after last move */
13036 if (commentList[i] != NULL) {
13037 fprintf(f, "%s\n", commentList[i]);
13041 if (gameInfo.resultDetails != NULL &&
13042 gameInfo.resultDetails[0] != NULLCHAR) {
13043 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
13044 PGNResult(gameInfo.result));
13046 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13050 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13054 /* Save game in old style and close the file */
13056 SaveGameOldStyle (FILE *f)
13061 tm = time((time_t *) NULL);
13063 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13066 if (backwardMostMove > 0 || startedFromSetupPosition) {
13067 fprintf(f, "\n[--------------\n");
13068 PrintPosition(f, backwardMostMove);
13069 fprintf(f, "--------------]\n");
13074 i = backwardMostMove;
13075 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13077 while (i < forwardMostMove) {
13078 if (commentList[i] != NULL) {
13079 fprintf(f, "[%s]\n", commentList[i]);
13082 if ((i % 2) == 1) {
13083 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13086 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13088 if (commentList[i] != NULL) {
13092 if (i >= forwardMostMove) {
13096 fprintf(f, "%s\n", parseList[i]);
13101 if (commentList[i] != NULL) {
13102 fprintf(f, "[%s]\n", commentList[i]);
13105 /* This isn't really the old style, but it's close enough */
13106 if (gameInfo.resultDetails != NULL &&
13107 gameInfo.resultDetails[0] != NULLCHAR) {
13108 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13109 gameInfo.resultDetails);
13111 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13118 /* Save the current game to open file f and close the file */
13120 SaveGame (FILE *f, int dummy, char *dummy2)
13122 if (gameMode == EditPosition) EditPositionDone(TRUE);
13123 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13124 if (appData.oldSaveStyle)
13125 return SaveGameOldStyle(f);
13127 return SaveGamePGN(f);
13130 /* Save the current position to the given file */
13132 SavePositionToFile (char *filename)
13137 if (strcmp(filename, "-") == 0) {
13138 return SavePosition(stdout, 0, NULL);
13140 f = fopen(filename, "a");
13142 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13143 DisplayError(buf, errno);
13146 safeStrCpy(buf, lastMsg, MSG_SIZ);
13147 DisplayMessage(_("Waiting for access to save file"), "");
13148 flock(fileno(f), LOCK_EX); // [HGM] lock
13149 DisplayMessage(_("Saving position"), "");
13150 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13151 SavePosition(f, 0, NULL);
13152 DisplayMessage(buf, "");
13158 /* Save the current position to the given open file and close the file */
13160 SavePosition (FILE *f, int dummy, char *dummy2)
13165 if (gameMode == EditPosition) EditPositionDone(TRUE);
13166 if (appData.oldSaveStyle) {
13167 tm = time((time_t *) NULL);
13169 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13171 fprintf(f, "[--------------\n");
13172 PrintPosition(f, currentMove);
13173 fprintf(f, "--------------]\n");
13175 fen = PositionToFEN(currentMove, NULL, 1);
13176 fprintf(f, "%s\n", fen);
13184 ReloadCmailMsgEvent (int unregister)
13187 static char *inFilename = NULL;
13188 static char *outFilename;
13190 struct stat inbuf, outbuf;
13193 /* Any registered moves are unregistered if unregister is set, */
13194 /* i.e. invoked by the signal handler */
13196 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13197 cmailMoveRegistered[i] = FALSE;
13198 if (cmailCommentList[i] != NULL) {
13199 free(cmailCommentList[i]);
13200 cmailCommentList[i] = NULL;
13203 nCmailMovesRegistered = 0;
13206 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13207 cmailResult[i] = CMAIL_NOT_RESULT;
13211 if (inFilename == NULL) {
13212 /* Because the filenames are static they only get malloced once */
13213 /* and they never get freed */
13214 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13215 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13217 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13218 sprintf(outFilename, "%s.out", appData.cmailGameName);
13221 status = stat(outFilename, &outbuf);
13223 cmailMailedMove = FALSE;
13225 status = stat(inFilename, &inbuf);
13226 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13229 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13230 counts the games, notes how each one terminated, etc.
13232 It would be nice to remove this kludge and instead gather all
13233 the information while building the game list. (And to keep it
13234 in the game list nodes instead of having a bunch of fixed-size
13235 parallel arrays.) Note this will require getting each game's
13236 termination from the PGN tags, as the game list builder does
13237 not process the game moves. --mann
13239 cmailMsgLoaded = TRUE;
13240 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13242 /* Load first game in the file or popup game menu */
13243 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13245 #endif /* !WIN32 */
13253 char string[MSG_SIZ];
13255 if ( cmailMailedMove
13256 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13257 return TRUE; /* Allow free viewing */
13260 /* Unregister move to ensure that we don't leave RegisterMove */
13261 /* with the move registered when the conditions for registering no */
13263 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13264 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13265 nCmailMovesRegistered --;
13267 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13269 free(cmailCommentList[lastLoadGameNumber - 1]);
13270 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13274 if (cmailOldMove == -1) {
13275 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13279 if (currentMove > cmailOldMove + 1) {
13280 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13284 if (currentMove < cmailOldMove) {
13285 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13289 if (forwardMostMove > currentMove) {
13290 /* Silently truncate extra moves */
13294 if ( (currentMove == cmailOldMove + 1)
13295 || ( (currentMove == cmailOldMove)
13296 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13297 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13298 if (gameInfo.result != GameUnfinished) {
13299 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13302 if (commentList[currentMove] != NULL) {
13303 cmailCommentList[lastLoadGameNumber - 1]
13304 = StrSave(commentList[currentMove]);
13306 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13308 if (appData.debugMode)
13309 fprintf(debugFP, "Saving %s for game %d\n",
13310 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13312 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13314 f = fopen(string, "w");
13315 if (appData.oldSaveStyle) {
13316 SaveGameOldStyle(f); /* also closes the file */
13318 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13319 f = fopen(string, "w");
13320 SavePosition(f, 0, NULL); /* also closes the file */
13322 fprintf(f, "{--------------\n");
13323 PrintPosition(f, currentMove);
13324 fprintf(f, "--------------}\n\n");
13326 SaveGame(f, 0, NULL); /* also closes the file*/
13329 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13330 nCmailMovesRegistered ++;
13331 } else if (nCmailGames == 1) {
13332 DisplayError(_("You have not made a move yet"), 0);
13343 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13344 FILE *commandOutput;
13345 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13346 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13352 if (! cmailMsgLoaded) {
13353 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13357 if (nCmailGames == nCmailResults) {
13358 DisplayError(_("No unfinished games"), 0);
13362 #if CMAIL_PROHIBIT_REMAIL
13363 if (cmailMailedMove) {
13364 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);
13365 DisplayError(msg, 0);
13370 if (! (cmailMailedMove || RegisterMove())) return;
13372 if ( cmailMailedMove
13373 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13374 snprintf(string, MSG_SIZ, partCommandString,
13375 appData.debugMode ? " -v" : "", appData.cmailGameName);
13376 commandOutput = popen(string, "r");
13378 if (commandOutput == NULL) {
13379 DisplayError(_("Failed to invoke cmail"), 0);
13381 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13382 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13384 if (nBuffers > 1) {
13385 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13386 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13387 nBytes = MSG_SIZ - 1;
13389 (void) memcpy(msg, buffer, nBytes);
13391 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13393 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13394 cmailMailedMove = TRUE; /* Prevent >1 moves */
13397 for (i = 0; i < nCmailGames; i ++) {
13398 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13403 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13405 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13407 appData.cmailGameName,
13409 LoadGameFromFile(buffer, 1, buffer, FALSE);
13410 cmailMsgLoaded = FALSE;
13414 DisplayInformation(msg);
13415 pclose(commandOutput);
13418 if ((*cmailMsg) != '\0') {
13419 DisplayInformation(cmailMsg);
13424 #endif /* !WIN32 */
13433 int prependComma = 0;
13435 char string[MSG_SIZ]; /* Space for game-list */
13438 if (!cmailMsgLoaded) return "";
13440 if (cmailMailedMove) {
13441 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13443 /* Create a list of games left */
13444 snprintf(string, MSG_SIZ, "[");
13445 for (i = 0; i < nCmailGames; i ++) {
13446 if (! ( cmailMoveRegistered[i]
13447 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13448 if (prependComma) {
13449 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13451 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13455 strcat(string, number);
13458 strcat(string, "]");
13460 if (nCmailMovesRegistered + nCmailResults == 0) {
13461 switch (nCmailGames) {
13463 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13467 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13471 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13476 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13478 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13483 if (nCmailResults == nCmailGames) {
13484 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13486 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13491 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13503 if (gameMode == Training)
13504 SetTrainingModeOff();
13507 cmailMsgLoaded = FALSE;
13508 if (appData.icsActive) {
13509 SendToICS(ics_prefix);
13510 SendToICS("refresh\n");
13515 ExitEvent (int status)
13519 /* Give up on clean exit */
13523 /* Keep trying for clean exit */
13527 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13529 if (telnetISR != NULL) {
13530 RemoveInputSource(telnetISR);
13532 if (icsPR != NoProc) {
13533 DestroyChildProcess(icsPR, TRUE);
13536 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13537 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13539 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13540 /* make sure this other one finishes before killing it! */
13541 if(endingGame) { int count = 0;
13542 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13543 while(endingGame && count++ < 10) DoSleep(1);
13544 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13547 /* Kill off chess programs */
13548 if (first.pr != NoProc) {
13551 DoSleep( appData.delayBeforeQuit );
13552 SendToProgram("quit\n", &first);
13553 DoSleep( appData.delayAfterQuit );
13554 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13556 if (second.pr != NoProc) {
13557 DoSleep( appData.delayBeforeQuit );
13558 SendToProgram("quit\n", &second);
13559 DoSleep( appData.delayAfterQuit );
13560 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13562 if (first.isr != NULL) {
13563 RemoveInputSource(first.isr);
13565 if (second.isr != NULL) {
13566 RemoveInputSource(second.isr);
13569 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13570 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13572 ShutDownFrontEnd();
13577 PauseEngine (ChessProgramState *cps)
13579 SendToProgram("pause\n", cps);
13584 UnPauseEngine (ChessProgramState *cps)
13586 SendToProgram("resume\n", cps);
13593 if (appData.debugMode)
13594 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13598 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13600 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13601 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13602 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13604 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13605 HandleMachineMove(stashedInputMove, stalledEngine);
13606 stalledEngine = NULL;
13609 if (gameMode == MachinePlaysWhite ||
13610 gameMode == TwoMachinesPlay ||
13611 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13612 if(first.pause) UnPauseEngine(&first);
13613 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13614 if(second.pause) UnPauseEngine(&second);
13615 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13618 DisplayBothClocks();
13620 if (gameMode == PlayFromGameFile) {
13621 if (appData.timeDelay >= 0)
13622 AutoPlayGameLoop();
13623 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13624 Reset(FALSE, TRUE);
13625 SendToICS(ics_prefix);
13626 SendToICS("refresh\n");
13627 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13628 ForwardInner(forwardMostMove);
13630 pauseExamInvalid = FALSE;
13632 switch (gameMode) {
13636 pauseExamForwardMostMove = forwardMostMove;
13637 pauseExamInvalid = FALSE;
13640 case IcsPlayingWhite:
13641 case IcsPlayingBlack:
13645 case PlayFromGameFile:
13646 (void) StopLoadGameTimer();
13650 case BeginningOfGame:
13651 if (appData.icsActive) return;
13652 /* else fall through */
13653 case MachinePlaysWhite:
13654 case MachinePlaysBlack:
13655 case TwoMachinesPlay:
13656 if (forwardMostMove == 0)
13657 return; /* don't pause if no one has moved */
13658 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13659 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13660 if(onMove->pause) { // thinking engine can be paused
13661 PauseEngine(onMove); // do it
13662 if(onMove->other->pause) // pondering opponent can always be paused immediately
13663 PauseEngine(onMove->other);
13665 SendToProgram("easy\n", onMove->other);
13667 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13668 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13670 PauseEngine(&first);
13672 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13673 } else { // human on move, pause pondering by either method
13675 PauseEngine(&first);
13676 else if(appData.ponderNextMove)
13677 SendToProgram("easy\n", &first);
13680 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13690 EditCommentEvent ()
13692 char title[MSG_SIZ];
13694 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13695 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13697 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13698 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13699 parseList[currentMove - 1]);
13702 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13709 char *tags = PGNTags(&gameInfo);
13711 EditTagsPopUp(tags, NULL);
13718 if(second.analyzing) {
13719 SendToProgram("exit\n", &second);
13720 second.analyzing = FALSE;
13722 if (second.pr == NoProc) StartChessProgram(&second);
13723 InitChessProgram(&second, FALSE);
13724 FeedMovesToProgram(&second, currentMove);
13726 SendToProgram("analyze\n", &second);
13727 second.analyzing = TRUE;
13731 /* Toggle ShowThinking */
13733 ToggleShowThinking()
13735 appData.showThinking = !appData.showThinking;
13736 ShowThinkingEvent();
13740 AnalyzeModeEvent ()
13744 if (!first.analysisSupport) {
13745 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13746 DisplayError(buf, 0);
13749 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13750 if (appData.icsActive) {
13751 if (gameMode != IcsObserving) {
13752 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13753 DisplayError(buf, 0);
13755 if (appData.icsEngineAnalyze) {
13756 if (appData.debugMode)
13757 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13763 /* if enable, user wants to disable icsEngineAnalyze */
13764 if (appData.icsEngineAnalyze) {
13769 appData.icsEngineAnalyze = TRUE;
13770 if (appData.debugMode)
13771 fprintf(debugFP, "ICS engine analyze starting... \n");
13774 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13775 if (appData.noChessProgram || gameMode == AnalyzeMode)
13778 if (gameMode != AnalyzeFile) {
13779 if (!appData.icsEngineAnalyze) {
13781 if (gameMode != EditGame) return 0;
13783 if (!appData.showThinking) ToggleShowThinking();
13784 ResurrectChessProgram();
13785 SendToProgram("analyze\n", &first);
13786 first.analyzing = TRUE;
13787 /*first.maybeThinking = TRUE;*/
13788 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13789 EngineOutputPopUp();
13791 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13796 StartAnalysisClock();
13797 GetTimeMark(&lastNodeCountTime);
13803 AnalyzeFileEvent ()
13805 if (appData.noChessProgram || gameMode == AnalyzeFile)
13808 if (!first.analysisSupport) {
13810 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13811 DisplayError(buf, 0);
13815 if (gameMode != AnalyzeMode) {
13816 keepInfo = 1; // mere annotating should not alter PGN tags
13819 if (gameMode != EditGame) return;
13820 if (!appData.showThinking) ToggleShowThinking();
13821 ResurrectChessProgram();
13822 SendToProgram("analyze\n", &first);
13823 first.analyzing = TRUE;
13824 /*first.maybeThinking = TRUE;*/
13825 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13826 EngineOutputPopUp();
13828 gameMode = AnalyzeFile;
13832 StartAnalysisClock();
13833 GetTimeMark(&lastNodeCountTime);
13835 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13836 AnalysisPeriodicEvent(1);
13840 MachineWhiteEvent ()
13843 char *bookHit = NULL;
13845 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13849 if (gameMode == PlayFromGameFile ||
13850 gameMode == TwoMachinesPlay ||
13851 gameMode == Training ||
13852 gameMode == AnalyzeMode ||
13853 gameMode == EndOfGame)
13856 if (gameMode == EditPosition)
13857 EditPositionDone(TRUE);
13859 if (!WhiteOnMove(currentMove)) {
13860 DisplayError(_("It is not White's turn"), 0);
13864 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13867 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13868 gameMode == AnalyzeFile)
13871 ResurrectChessProgram(); /* in case it isn't running */
13872 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13873 gameMode = MachinePlaysWhite;
13876 gameMode = MachinePlaysWhite;
13880 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13882 if (first.sendName) {
13883 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13884 SendToProgram(buf, &first);
13886 if (first.sendTime) {
13887 if (first.useColors) {
13888 SendToProgram("black\n", &first); /*gnu kludge*/
13890 SendTimeRemaining(&first, TRUE);
13892 if (first.useColors) {
13893 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13895 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13896 SetMachineThinkingEnables();
13897 first.maybeThinking = TRUE;
13901 if (appData.autoFlipView && !flipView) {
13902 flipView = !flipView;
13903 DrawPosition(FALSE, NULL);
13904 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13907 if(bookHit) { // [HGM] book: simulate book reply
13908 static char bookMove[MSG_SIZ]; // a bit generous?
13910 programStats.nodes = programStats.depth = programStats.time =
13911 programStats.score = programStats.got_only_move = 0;
13912 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13914 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13915 strcat(bookMove, bookHit);
13916 HandleMachineMove(bookMove, &first);
13921 MachineBlackEvent ()
13924 char *bookHit = NULL;
13926 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13930 if (gameMode == PlayFromGameFile ||
13931 gameMode == TwoMachinesPlay ||
13932 gameMode == Training ||
13933 gameMode == AnalyzeMode ||
13934 gameMode == EndOfGame)
13937 if (gameMode == EditPosition)
13938 EditPositionDone(TRUE);
13940 if (WhiteOnMove(currentMove)) {
13941 DisplayError(_("It is not Black's turn"), 0);
13945 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13948 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13949 gameMode == AnalyzeFile)
13952 ResurrectChessProgram(); /* in case it isn't running */
13953 gameMode = MachinePlaysBlack;
13957 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13959 if (first.sendName) {
13960 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13961 SendToProgram(buf, &first);
13963 if (first.sendTime) {
13964 if (first.useColors) {
13965 SendToProgram("white\n", &first); /*gnu kludge*/
13967 SendTimeRemaining(&first, FALSE);
13969 if (first.useColors) {
13970 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13972 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13973 SetMachineThinkingEnables();
13974 first.maybeThinking = TRUE;
13977 if (appData.autoFlipView && flipView) {
13978 flipView = !flipView;
13979 DrawPosition(FALSE, NULL);
13980 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13982 if(bookHit) { // [HGM] book: simulate book reply
13983 static char bookMove[MSG_SIZ]; // a bit generous?
13985 programStats.nodes = programStats.depth = programStats.time =
13986 programStats.score = programStats.got_only_move = 0;
13987 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13989 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13990 strcat(bookMove, bookHit);
13991 HandleMachineMove(bookMove, &first);
13997 DisplayTwoMachinesTitle ()
14000 if (appData.matchGames > 0) {
14001 if(appData.tourneyFile[0]) {
14002 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14003 gameInfo.white, _("vs."), gameInfo.black,
14004 nextGame+1, appData.matchGames+1,
14005 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14007 if (first.twoMachinesColor[0] == 'w') {
14008 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14009 gameInfo.white, _("vs."), gameInfo.black,
14010 first.matchWins, second.matchWins,
14011 matchGame - 1 - (first.matchWins + second.matchWins));
14013 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14014 gameInfo.white, _("vs."), gameInfo.black,
14015 second.matchWins, first.matchWins,
14016 matchGame - 1 - (first.matchWins + second.matchWins));
14019 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14025 SettingsMenuIfReady ()
14027 if (second.lastPing != second.lastPong) {
14028 DisplayMessage("", _("Waiting for second chess program"));
14029 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14033 DisplayMessage("", "");
14034 SettingsPopUp(&second);
14038 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14041 if (cps->pr == NoProc) {
14042 StartChessProgram(cps);
14043 if (cps->protocolVersion == 1) {
14045 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14047 /* kludge: allow timeout for initial "feature" command */
14048 if(retry != TwoMachinesEventIfReady) FreezeUI();
14049 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14050 DisplayMessage("", buf);
14051 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14059 TwoMachinesEvent P((void))
14063 ChessProgramState *onmove;
14064 char *bookHit = NULL;
14065 static int stalling = 0;
14069 if (appData.noChessProgram) return;
14071 switch (gameMode) {
14072 case TwoMachinesPlay:
14074 case MachinePlaysWhite:
14075 case MachinePlaysBlack:
14076 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14077 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14081 case BeginningOfGame:
14082 case PlayFromGameFile:
14085 if (gameMode != EditGame) return;
14088 EditPositionDone(TRUE);
14099 // forwardMostMove = currentMove;
14100 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14101 startingEngine = TRUE;
14103 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14105 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14106 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14107 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14110 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14112 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14113 startingEngine = FALSE;
14114 DisplayError("second engine does not play this", 0);
14119 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14120 SendToProgram("force\n", &second);
14122 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14125 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14126 if(appData.matchPause>10000 || appData.matchPause<10)
14127 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14128 wait = SubtractTimeMarks(&now, &pauseStart);
14129 if(wait < appData.matchPause) {
14130 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14133 // we are now committed to starting the game
14135 DisplayMessage("", "");
14136 if (startedFromSetupPosition) {
14137 SendBoard(&second, backwardMostMove);
14138 if (appData.debugMode) {
14139 fprintf(debugFP, "Two Machines\n");
14142 for (i = backwardMostMove; i < forwardMostMove; i++) {
14143 SendMoveToProgram(i, &second);
14146 gameMode = TwoMachinesPlay;
14147 pausing = startingEngine = FALSE;
14148 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14150 DisplayTwoMachinesTitle();
14152 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14157 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14158 SendToProgram(first.computerString, &first);
14159 if (first.sendName) {
14160 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14161 SendToProgram(buf, &first);
14163 SendToProgram(second.computerString, &second);
14164 if (second.sendName) {
14165 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14166 SendToProgram(buf, &second);
14170 if (!first.sendTime || !second.sendTime) {
14171 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14172 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14174 if (onmove->sendTime) {
14175 if (onmove->useColors) {
14176 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14178 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14180 if (onmove->useColors) {
14181 SendToProgram(onmove->twoMachinesColor, onmove);
14183 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14184 // SendToProgram("go\n", onmove);
14185 onmove->maybeThinking = TRUE;
14186 SetMachineThinkingEnables();
14190 if(bookHit) { // [HGM] book: simulate book reply
14191 static char bookMove[MSG_SIZ]; // a bit generous?
14193 programStats.nodes = programStats.depth = programStats.time =
14194 programStats.score = programStats.got_only_move = 0;
14195 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14197 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14198 strcat(bookMove, bookHit);
14199 savedMessage = bookMove; // args for deferred call
14200 savedState = onmove;
14201 ScheduleDelayedEvent(DeferredBookMove, 1);
14208 if (gameMode == Training) {
14209 SetTrainingModeOff();
14210 gameMode = PlayFromGameFile;
14211 DisplayMessage("", _("Training mode off"));
14213 gameMode = Training;
14214 animateTraining = appData.animate;
14216 /* make sure we are not already at the end of the game */
14217 if (currentMove < forwardMostMove) {
14218 SetTrainingModeOn();
14219 DisplayMessage("", _("Training mode on"));
14221 gameMode = PlayFromGameFile;
14222 DisplayError(_("Already at end of game"), 0);
14231 if (!appData.icsActive) return;
14232 switch (gameMode) {
14233 case IcsPlayingWhite:
14234 case IcsPlayingBlack:
14237 case BeginningOfGame:
14245 EditPositionDone(TRUE);
14258 gameMode = IcsIdle;
14268 switch (gameMode) {
14270 SetTrainingModeOff();
14272 case MachinePlaysWhite:
14273 case MachinePlaysBlack:
14274 case BeginningOfGame:
14275 SendToProgram("force\n", &first);
14276 SetUserThinkingEnables();
14278 case PlayFromGameFile:
14279 (void) StopLoadGameTimer();
14280 if (gameFileFP != NULL) {
14285 EditPositionDone(TRUE);
14290 SendToProgram("force\n", &first);
14292 case TwoMachinesPlay:
14293 GameEnds(EndOfFile, NULL, GE_PLAYER);
14294 ResurrectChessProgram();
14295 SetUserThinkingEnables();
14298 ResurrectChessProgram();
14300 case IcsPlayingBlack:
14301 case IcsPlayingWhite:
14302 DisplayError(_("Warning: You are still playing a game"), 0);
14305 DisplayError(_("Warning: You are still observing a game"), 0);
14308 DisplayError(_("Warning: You are still examining a game"), 0);
14319 first.offeredDraw = second.offeredDraw = 0;
14321 if (gameMode == PlayFromGameFile) {
14322 whiteTimeRemaining = timeRemaining[0][currentMove];
14323 blackTimeRemaining = timeRemaining[1][currentMove];
14327 if (gameMode == MachinePlaysWhite ||
14328 gameMode == MachinePlaysBlack ||
14329 gameMode == TwoMachinesPlay ||
14330 gameMode == EndOfGame) {
14331 i = forwardMostMove;
14332 while (i > currentMove) {
14333 SendToProgram("undo\n", &first);
14336 if(!adjustedClock) {
14337 whiteTimeRemaining = timeRemaining[0][currentMove];
14338 blackTimeRemaining = timeRemaining[1][currentMove];
14339 DisplayBothClocks();
14341 if (whiteFlag || blackFlag) {
14342 whiteFlag = blackFlag = 0;
14347 gameMode = EditGame;
14354 EditPositionEvent ()
14356 if (gameMode == EditPosition) {
14362 if (gameMode != EditGame) return;
14364 gameMode = EditPosition;
14367 if (currentMove > 0)
14368 CopyBoard(boards[0], boards[currentMove]);
14370 blackPlaysFirst = !WhiteOnMove(currentMove);
14372 currentMove = forwardMostMove = backwardMostMove = 0;
14373 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14375 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14381 /* [DM] icsEngineAnalyze - possible call from other functions */
14382 if (appData.icsEngineAnalyze) {
14383 appData.icsEngineAnalyze = FALSE;
14385 DisplayMessage("",_("Close ICS engine analyze..."));
14387 if (first.analysisSupport && first.analyzing) {
14388 SendToBoth("exit\n");
14389 first.analyzing = second.analyzing = FALSE;
14391 thinkOutput[0] = NULLCHAR;
14395 EditPositionDone (Boolean fakeRights)
14397 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14399 startedFromSetupPosition = TRUE;
14400 InitChessProgram(&first, FALSE);
14401 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14402 boards[0][EP_STATUS] = EP_NONE;
14403 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14404 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14405 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14406 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14407 } else boards[0][CASTLING][2] = NoRights;
14408 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14409 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14410 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14411 } else boards[0][CASTLING][5] = NoRights;
14412 if(gameInfo.variant == VariantSChess) {
14414 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14415 boards[0][VIRGIN][i] = 0;
14416 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14417 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14421 SendToProgram("force\n", &first);
14422 if (blackPlaysFirst) {
14423 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14424 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14425 currentMove = forwardMostMove = backwardMostMove = 1;
14426 CopyBoard(boards[1], boards[0]);
14428 currentMove = forwardMostMove = backwardMostMove = 0;
14430 SendBoard(&first, forwardMostMove);
14431 if (appData.debugMode) {
14432 fprintf(debugFP, "EditPosDone\n");
14435 DisplayMessage("", "");
14436 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14437 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14438 gameMode = EditGame;
14440 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14441 ClearHighlights(); /* [AS] */
14444 /* Pause for `ms' milliseconds */
14445 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14447 TimeDelay (long ms)
14454 } while (SubtractTimeMarks(&m2, &m1) < ms);
14457 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14459 SendMultiLineToICS (char *buf)
14461 char temp[MSG_SIZ+1], *p;
14468 strncpy(temp, buf, len);
14473 if (*p == '\n' || *p == '\r')
14478 strcat(temp, "\n");
14480 SendToPlayer(temp, strlen(temp));
14484 SetWhiteToPlayEvent ()
14486 if (gameMode == EditPosition) {
14487 blackPlaysFirst = FALSE;
14488 DisplayBothClocks(); /* works because currentMove is 0 */
14489 } else if (gameMode == IcsExamining) {
14490 SendToICS(ics_prefix);
14491 SendToICS("tomove white\n");
14496 SetBlackToPlayEvent ()
14498 if (gameMode == EditPosition) {
14499 blackPlaysFirst = TRUE;
14500 currentMove = 1; /* kludge */
14501 DisplayBothClocks();
14503 } else if (gameMode == IcsExamining) {
14504 SendToICS(ics_prefix);
14505 SendToICS("tomove black\n");
14510 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14513 ChessSquare piece = boards[0][y][x];
14515 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14517 switch (selection) {
14519 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14520 SendToICS(ics_prefix);
14521 SendToICS("bsetup clear\n");
14522 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14523 SendToICS(ics_prefix);
14524 SendToICS("clearboard\n");
14526 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14527 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14528 for (y = 0; y < BOARD_HEIGHT; y++) {
14529 if (gameMode == IcsExamining) {
14530 if (boards[currentMove][y][x] != EmptySquare) {
14531 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14536 boards[0][y][x] = p;
14541 if (gameMode == EditPosition) {
14542 DrawPosition(FALSE, boards[0]);
14547 SetWhiteToPlayEvent();
14551 SetBlackToPlayEvent();
14555 if (gameMode == IcsExamining) {
14556 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14557 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14560 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14561 if(x == BOARD_LEFT-2) {
14562 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14563 boards[0][y][1] = 0;
14565 if(x == BOARD_RGHT+1) {
14566 if(y >= gameInfo.holdingsSize) break;
14567 boards[0][y][BOARD_WIDTH-2] = 0;
14570 boards[0][y][x] = EmptySquare;
14571 DrawPosition(FALSE, boards[0]);
14576 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14577 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14578 selection = (ChessSquare) (PROMOTED piece);
14579 } else if(piece == EmptySquare) selection = WhiteSilver;
14580 else selection = (ChessSquare)((int)piece - 1);
14584 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14585 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14586 selection = (ChessSquare) (DEMOTED piece);
14587 } else if(piece == EmptySquare) selection = BlackSilver;
14588 else selection = (ChessSquare)((int)piece + 1);
14593 if(gameInfo.variant == VariantShatranj ||
14594 gameInfo.variant == VariantXiangqi ||
14595 gameInfo.variant == VariantCourier ||
14596 gameInfo.variant == VariantASEAN ||
14597 gameInfo.variant == VariantMakruk )
14598 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14603 if(gameInfo.variant == VariantXiangqi)
14604 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14605 if(gameInfo.variant == VariantKnightmate)
14606 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14609 if (gameMode == IcsExamining) {
14610 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14611 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14612 PieceToChar(selection), AAA + x, ONE + y);
14615 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14617 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14618 n = PieceToNumber(selection - BlackPawn);
14619 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14620 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14621 boards[0][BOARD_HEIGHT-1-n][1]++;
14623 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14624 n = PieceToNumber(selection);
14625 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14626 boards[0][n][BOARD_WIDTH-1] = selection;
14627 boards[0][n][BOARD_WIDTH-2]++;
14630 boards[0][y][x] = selection;
14631 DrawPosition(TRUE, boards[0]);
14633 fromX = fromY = -1;
14641 DropMenuEvent (ChessSquare selection, int x, int y)
14643 ChessMove moveType;
14645 switch (gameMode) {
14646 case IcsPlayingWhite:
14647 case MachinePlaysBlack:
14648 if (!WhiteOnMove(currentMove)) {
14649 DisplayMoveError(_("It is Black's turn"));
14652 moveType = WhiteDrop;
14654 case IcsPlayingBlack:
14655 case MachinePlaysWhite:
14656 if (WhiteOnMove(currentMove)) {
14657 DisplayMoveError(_("It is White's turn"));
14660 moveType = BlackDrop;
14663 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14669 if (moveType == BlackDrop && selection < BlackPawn) {
14670 selection = (ChessSquare) ((int) selection
14671 + (int) BlackPawn - (int) WhitePawn);
14673 if (boards[currentMove][y][x] != EmptySquare) {
14674 DisplayMoveError(_("That square is occupied"));
14678 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14684 /* Accept a pending offer of any kind from opponent */
14686 if (appData.icsActive) {
14687 SendToICS(ics_prefix);
14688 SendToICS("accept\n");
14689 } else if (cmailMsgLoaded) {
14690 if (currentMove == cmailOldMove &&
14691 commentList[cmailOldMove] != NULL &&
14692 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14693 "Black offers a draw" : "White offers a draw")) {
14695 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14696 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14698 DisplayError(_("There is no pending offer on this move"), 0);
14699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14702 /* Not used for offers from chess program */
14709 /* Decline a pending offer of any kind from opponent */
14711 if (appData.icsActive) {
14712 SendToICS(ics_prefix);
14713 SendToICS("decline\n");
14714 } else if (cmailMsgLoaded) {
14715 if (currentMove == cmailOldMove &&
14716 commentList[cmailOldMove] != NULL &&
14717 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14718 "Black offers a draw" : "White offers a draw")) {
14720 AppendComment(cmailOldMove, "Draw declined", TRUE);
14721 DisplayComment(cmailOldMove - 1, "Draw declined");
14724 DisplayError(_("There is no pending offer on this move"), 0);
14727 /* Not used for offers from chess program */
14734 /* Issue ICS rematch command */
14735 if (appData.icsActive) {
14736 SendToICS(ics_prefix);
14737 SendToICS("rematch\n");
14744 /* Call your opponent's flag (claim a win on time) */
14745 if (appData.icsActive) {
14746 SendToICS(ics_prefix);
14747 SendToICS("flag\n");
14749 switch (gameMode) {
14752 case MachinePlaysWhite:
14755 GameEnds(GameIsDrawn, "Both players ran out of time",
14758 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14760 DisplayError(_("Your opponent is not out of time"), 0);
14763 case MachinePlaysBlack:
14766 GameEnds(GameIsDrawn, "Both players ran out of time",
14769 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14771 DisplayError(_("Your opponent is not out of time"), 0);
14779 ClockClick (int which)
14780 { // [HGM] code moved to back-end from winboard.c
14781 if(which) { // black clock
14782 if (gameMode == EditPosition || gameMode == IcsExamining) {
14783 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14784 SetBlackToPlayEvent();
14785 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14786 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14787 } else if (shiftKey) {
14788 AdjustClock(which, -1);
14789 } else if (gameMode == IcsPlayingWhite ||
14790 gameMode == MachinePlaysBlack) {
14793 } else { // white clock
14794 if (gameMode == EditPosition || gameMode == IcsExamining) {
14795 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14796 SetWhiteToPlayEvent();
14797 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14798 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14799 } else if (shiftKey) {
14800 AdjustClock(which, -1);
14801 } else if (gameMode == IcsPlayingBlack ||
14802 gameMode == MachinePlaysWhite) {
14811 /* Offer draw or accept pending draw offer from opponent */
14813 if (appData.icsActive) {
14814 /* Note: tournament rules require draw offers to be
14815 made after you make your move but before you punch
14816 your clock. Currently ICS doesn't let you do that;
14817 instead, you immediately punch your clock after making
14818 a move, but you can offer a draw at any time. */
14820 SendToICS(ics_prefix);
14821 SendToICS("draw\n");
14822 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14823 } else if (cmailMsgLoaded) {
14824 if (currentMove == cmailOldMove &&
14825 commentList[cmailOldMove] != NULL &&
14826 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14827 "Black offers a draw" : "White offers a draw")) {
14828 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14829 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14830 } else if (currentMove == cmailOldMove + 1) {
14831 char *offer = WhiteOnMove(cmailOldMove) ?
14832 "White offers a draw" : "Black offers a draw";
14833 AppendComment(currentMove, offer, TRUE);
14834 DisplayComment(currentMove - 1, offer);
14835 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14837 DisplayError(_("You must make your move before offering a draw"), 0);
14838 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14840 } else if (first.offeredDraw) {
14841 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14843 if (first.sendDrawOffers) {
14844 SendToProgram("draw\n", &first);
14845 userOfferedDraw = TRUE;
14853 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14855 if (appData.icsActive) {
14856 SendToICS(ics_prefix);
14857 SendToICS("adjourn\n");
14859 /* Currently GNU Chess doesn't offer or accept Adjourns */
14867 /* Offer Abort or accept pending Abort offer from opponent */
14869 if (appData.icsActive) {
14870 SendToICS(ics_prefix);
14871 SendToICS("abort\n");
14873 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14880 /* Resign. You can do this even if it's not your turn. */
14882 if (appData.icsActive) {
14883 SendToICS(ics_prefix);
14884 SendToICS("resign\n");
14886 switch (gameMode) {
14887 case MachinePlaysWhite:
14888 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14890 case MachinePlaysBlack:
14891 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14894 if (cmailMsgLoaded) {
14896 if (WhiteOnMove(cmailOldMove)) {
14897 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14899 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14901 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14912 StopObservingEvent ()
14914 /* Stop observing current games */
14915 SendToICS(ics_prefix);
14916 SendToICS("unobserve\n");
14920 StopExaminingEvent ()
14922 /* Stop observing current game */
14923 SendToICS(ics_prefix);
14924 SendToICS("unexamine\n");
14928 ForwardInner (int target)
14930 int limit; int oldSeekGraphUp = seekGraphUp;
14932 if (appData.debugMode)
14933 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14934 target, currentMove, forwardMostMove);
14936 if (gameMode == EditPosition)
14939 seekGraphUp = FALSE;
14940 MarkTargetSquares(1);
14942 if (gameMode == PlayFromGameFile && !pausing)
14945 if (gameMode == IcsExamining && pausing)
14946 limit = pauseExamForwardMostMove;
14948 limit = forwardMostMove;
14950 if (target > limit) target = limit;
14952 if (target > 0 && moveList[target - 1][0]) {
14953 int fromX, fromY, toX, toY;
14954 toX = moveList[target - 1][2] - AAA;
14955 toY = moveList[target - 1][3] - ONE;
14956 if (moveList[target - 1][1] == '@') {
14957 if (appData.highlightLastMove) {
14958 SetHighlights(-1, -1, toX, toY);
14961 fromX = moveList[target - 1][0] - AAA;
14962 fromY = moveList[target - 1][1] - ONE;
14963 if (target == currentMove + 1) {
14964 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14966 if (appData.highlightLastMove) {
14967 SetHighlights(fromX, fromY, toX, toY);
14971 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14972 gameMode == Training || gameMode == PlayFromGameFile ||
14973 gameMode == AnalyzeFile) {
14974 while (currentMove < target) {
14975 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14976 SendMoveToProgram(currentMove++, &first);
14979 currentMove = target;
14982 if (gameMode == EditGame || gameMode == EndOfGame) {
14983 whiteTimeRemaining = timeRemaining[0][currentMove];
14984 blackTimeRemaining = timeRemaining[1][currentMove];
14986 DisplayBothClocks();
14987 DisplayMove(currentMove - 1);
14988 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14989 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14990 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14991 DisplayComment(currentMove - 1, commentList[currentMove]);
14993 ClearMap(); // [HGM] exclude: invalidate map
15000 if (gameMode == IcsExamining && !pausing) {
15001 SendToICS(ics_prefix);
15002 SendToICS("forward\n");
15004 ForwardInner(currentMove + 1);
15011 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15012 /* to optimze, we temporarily turn off analysis mode while we feed
15013 * the remaining moves to the engine. Otherwise we get analysis output
15016 if (first.analysisSupport) {
15017 SendToProgram("exit\nforce\n", &first);
15018 first.analyzing = FALSE;
15022 if (gameMode == IcsExamining && !pausing) {
15023 SendToICS(ics_prefix);
15024 SendToICS("forward 999999\n");
15026 ForwardInner(forwardMostMove);
15029 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15030 /* we have fed all the moves, so reactivate analysis mode */
15031 SendToProgram("analyze\n", &first);
15032 first.analyzing = TRUE;
15033 /*first.maybeThinking = TRUE;*/
15034 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15039 BackwardInner (int target)
15041 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15043 if (appData.debugMode)
15044 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15045 target, currentMove, forwardMostMove);
15047 if (gameMode == EditPosition) return;
15048 seekGraphUp = FALSE;
15049 MarkTargetSquares(1);
15050 if (currentMove <= backwardMostMove) {
15052 DrawPosition(full_redraw, boards[currentMove]);
15055 if (gameMode == PlayFromGameFile && !pausing)
15058 if (moveList[target][0]) {
15059 int fromX, fromY, toX, toY;
15060 toX = moveList[target][2] - AAA;
15061 toY = moveList[target][3] - ONE;
15062 if (moveList[target][1] == '@') {
15063 if (appData.highlightLastMove) {
15064 SetHighlights(-1, -1, toX, toY);
15067 fromX = moveList[target][0] - AAA;
15068 fromY = moveList[target][1] - ONE;
15069 if (target == currentMove - 1) {
15070 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15072 if (appData.highlightLastMove) {
15073 SetHighlights(fromX, fromY, toX, toY);
15077 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15078 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15079 while (currentMove > target) {
15080 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15081 // null move cannot be undone. Reload program with move history before it.
15083 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15084 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15086 SendBoard(&first, i);
15087 if(second.analyzing) SendBoard(&second, i);
15088 for(currentMove=i; currentMove<target; currentMove++) {
15089 SendMoveToProgram(currentMove, &first);
15090 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15094 SendToBoth("undo\n");
15098 currentMove = target;
15101 if (gameMode == EditGame || gameMode == EndOfGame) {
15102 whiteTimeRemaining = timeRemaining[0][currentMove];
15103 blackTimeRemaining = timeRemaining[1][currentMove];
15105 DisplayBothClocks();
15106 DisplayMove(currentMove - 1);
15107 DrawPosition(full_redraw, boards[currentMove]);
15108 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15109 // [HGM] PV info: routine tests if comment empty
15110 DisplayComment(currentMove - 1, commentList[currentMove]);
15111 ClearMap(); // [HGM] exclude: invalidate map
15117 if (gameMode == IcsExamining && !pausing) {
15118 SendToICS(ics_prefix);
15119 SendToICS("backward\n");
15121 BackwardInner(currentMove - 1);
15128 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15129 /* to optimize, we temporarily turn off analysis mode while we undo
15130 * all the moves. Otherwise we get analysis output after each undo.
15132 if (first.analysisSupport) {
15133 SendToProgram("exit\nforce\n", &first);
15134 first.analyzing = FALSE;
15138 if (gameMode == IcsExamining && !pausing) {
15139 SendToICS(ics_prefix);
15140 SendToICS("backward 999999\n");
15142 BackwardInner(backwardMostMove);
15145 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15146 /* we have fed all the moves, so reactivate analysis mode */
15147 SendToProgram("analyze\n", &first);
15148 first.analyzing = TRUE;
15149 /*first.maybeThinking = TRUE;*/
15150 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15157 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15158 if (to >= forwardMostMove) to = forwardMostMove;
15159 if (to <= backwardMostMove) to = backwardMostMove;
15160 if (to < currentMove) {
15168 RevertEvent (Boolean annotate)
15170 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15173 if (gameMode != IcsExamining) {
15174 DisplayError(_("You are not examining a game"), 0);
15178 DisplayError(_("You can't revert while pausing"), 0);
15181 SendToICS(ics_prefix);
15182 SendToICS("revert\n");
15186 RetractMoveEvent ()
15188 switch (gameMode) {
15189 case MachinePlaysWhite:
15190 case MachinePlaysBlack:
15191 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15192 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15195 if (forwardMostMove < 2) return;
15196 currentMove = forwardMostMove = forwardMostMove - 2;
15197 whiteTimeRemaining = timeRemaining[0][currentMove];
15198 blackTimeRemaining = timeRemaining[1][currentMove];
15199 DisplayBothClocks();
15200 DisplayMove(currentMove - 1);
15201 ClearHighlights();/*!! could figure this out*/
15202 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15203 SendToProgram("remove\n", &first);
15204 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15207 case BeginningOfGame:
15211 case IcsPlayingWhite:
15212 case IcsPlayingBlack:
15213 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15214 SendToICS(ics_prefix);
15215 SendToICS("takeback 2\n");
15217 SendToICS(ics_prefix);
15218 SendToICS("takeback 1\n");
15227 ChessProgramState *cps;
15229 switch (gameMode) {
15230 case MachinePlaysWhite:
15231 if (!WhiteOnMove(forwardMostMove)) {
15232 DisplayError(_("It is your turn"), 0);
15237 case MachinePlaysBlack:
15238 if (WhiteOnMove(forwardMostMove)) {
15239 DisplayError(_("It is your turn"), 0);
15244 case TwoMachinesPlay:
15245 if (WhiteOnMove(forwardMostMove) ==
15246 (first.twoMachinesColor[0] == 'w')) {
15252 case BeginningOfGame:
15256 SendToProgram("?\n", cps);
15260 TruncateGameEvent ()
15263 if (gameMode != EditGame) return;
15270 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15271 if (forwardMostMove > currentMove) {
15272 if (gameInfo.resultDetails != NULL) {
15273 free(gameInfo.resultDetails);
15274 gameInfo.resultDetails = NULL;
15275 gameInfo.result = GameUnfinished;
15277 forwardMostMove = currentMove;
15278 HistorySet(parseList, backwardMostMove, forwardMostMove,
15286 if (appData.noChessProgram) return;
15287 switch (gameMode) {
15288 case MachinePlaysWhite:
15289 if (WhiteOnMove(forwardMostMove)) {
15290 DisplayError(_("Wait until your turn"), 0);
15294 case BeginningOfGame:
15295 case MachinePlaysBlack:
15296 if (!WhiteOnMove(forwardMostMove)) {
15297 DisplayError(_("Wait until your turn"), 0);
15302 DisplayError(_("No hint available"), 0);
15305 SendToProgram("hint\n", &first);
15306 hintRequested = TRUE;
15312 ListGame * lg = (ListGame *) gameList.head;
15315 static int secondTime = FALSE;
15317 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15318 DisplayError(_("Game list not loaded or empty"), 0);
15322 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15325 DisplayNote(_("Book file exists! Try again for overwrite."));
15329 creatingBook = TRUE;
15330 secondTime = FALSE;
15332 /* Get list size */
15333 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15334 LoadGame(f, nItem, "", TRUE);
15335 AddGameToBook(TRUE);
15336 lg = (ListGame *) lg->node.succ;
15339 creatingBook = FALSE;
15346 if (appData.noChessProgram) return;
15347 switch (gameMode) {
15348 case MachinePlaysWhite:
15349 if (WhiteOnMove(forwardMostMove)) {
15350 DisplayError(_("Wait until your turn"), 0);
15354 case BeginningOfGame:
15355 case MachinePlaysBlack:
15356 if (!WhiteOnMove(forwardMostMove)) {
15357 DisplayError(_("Wait until your turn"), 0);
15362 EditPositionDone(TRUE);
15364 case TwoMachinesPlay:
15369 SendToProgram("bk\n", &first);
15370 bookOutput[0] = NULLCHAR;
15371 bookRequested = TRUE;
15377 char *tags = PGNTags(&gameInfo);
15378 TagsPopUp(tags, CmailMsg());
15382 /* end button procedures */
15385 PrintPosition (FILE *fp, int move)
15389 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15390 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15391 char c = PieceToChar(boards[move][i][j]);
15392 fputc(c == 'x' ? '.' : c, fp);
15393 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15396 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15397 fprintf(fp, "white to play\n");
15399 fprintf(fp, "black to play\n");
15403 PrintOpponents (FILE *fp)
15405 if (gameInfo.white != NULL) {
15406 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15412 /* Find last component of program's own name, using some heuristics */
15414 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15417 int local = (strcmp(host, "localhost") == 0);
15418 while (!local && (p = strchr(prog, ';')) != NULL) {
15420 while (*p == ' ') p++;
15423 if (*prog == '"' || *prog == '\'') {
15424 q = strchr(prog + 1, *prog);
15426 q = strchr(prog, ' ');
15428 if (q == NULL) q = prog + strlen(prog);
15430 while (p >= prog && *p != '/' && *p != '\\') p--;
15432 if(p == prog && *p == '"') p++;
15434 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15435 memcpy(buf, p, q - p);
15436 buf[q - p] = NULLCHAR;
15444 TimeControlTagValue ()
15447 if (!appData.clockMode) {
15448 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15449 } else if (movesPerSession > 0) {
15450 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15451 } else if (timeIncrement == 0) {
15452 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15454 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15456 return StrSave(buf);
15462 /* This routine is used only for certain modes */
15463 VariantClass v = gameInfo.variant;
15464 ChessMove r = GameUnfinished;
15467 if(keepInfo) return;
15469 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15470 r = gameInfo.result;
15471 p = gameInfo.resultDetails;
15472 gameInfo.resultDetails = NULL;
15474 ClearGameInfo(&gameInfo);
15475 gameInfo.variant = v;
15477 switch (gameMode) {
15478 case MachinePlaysWhite:
15479 gameInfo.event = StrSave( appData.pgnEventHeader );
15480 gameInfo.site = StrSave(HostName());
15481 gameInfo.date = PGNDate();
15482 gameInfo.round = StrSave("-");
15483 gameInfo.white = StrSave(first.tidy);
15484 gameInfo.black = StrSave(UserName());
15485 gameInfo.timeControl = TimeControlTagValue();
15488 case MachinePlaysBlack:
15489 gameInfo.event = StrSave( appData.pgnEventHeader );
15490 gameInfo.site = StrSave(HostName());
15491 gameInfo.date = PGNDate();
15492 gameInfo.round = StrSave("-");
15493 gameInfo.white = StrSave(UserName());
15494 gameInfo.black = StrSave(first.tidy);
15495 gameInfo.timeControl = TimeControlTagValue();
15498 case TwoMachinesPlay:
15499 gameInfo.event = StrSave( appData.pgnEventHeader );
15500 gameInfo.site = StrSave(HostName());
15501 gameInfo.date = PGNDate();
15504 snprintf(buf, MSG_SIZ, "%d", roundNr);
15505 gameInfo.round = StrSave(buf);
15507 gameInfo.round = StrSave("-");
15509 if (first.twoMachinesColor[0] == 'w') {
15510 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15511 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15513 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15514 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15516 gameInfo.timeControl = TimeControlTagValue();
15520 gameInfo.event = StrSave("Edited game");
15521 gameInfo.site = StrSave(HostName());
15522 gameInfo.date = PGNDate();
15523 gameInfo.round = StrSave("-");
15524 gameInfo.white = StrSave("-");
15525 gameInfo.black = StrSave("-");
15526 gameInfo.result = r;
15527 gameInfo.resultDetails = p;
15531 gameInfo.event = StrSave("Edited position");
15532 gameInfo.site = StrSave(HostName());
15533 gameInfo.date = PGNDate();
15534 gameInfo.round = StrSave("-");
15535 gameInfo.white = StrSave("-");
15536 gameInfo.black = StrSave("-");
15539 case IcsPlayingWhite:
15540 case IcsPlayingBlack:
15545 case PlayFromGameFile:
15546 gameInfo.event = StrSave("Game from non-PGN file");
15547 gameInfo.site = StrSave(HostName());
15548 gameInfo.date = PGNDate();
15549 gameInfo.round = StrSave("-");
15550 gameInfo.white = StrSave("?");
15551 gameInfo.black = StrSave("?");
15560 ReplaceComment (int index, char *text)
15566 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15567 pvInfoList[index-1].depth == len &&
15568 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15569 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15570 while (*text == '\n') text++;
15571 len = strlen(text);
15572 while (len > 0 && text[len - 1] == '\n') len--;
15574 if (commentList[index] != NULL)
15575 free(commentList[index]);
15578 commentList[index] = NULL;
15581 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15582 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15583 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15584 commentList[index] = (char *) malloc(len + 2);
15585 strncpy(commentList[index], text, len);
15586 commentList[index][len] = '\n';
15587 commentList[index][len + 1] = NULLCHAR;
15589 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15591 commentList[index] = (char *) malloc(len + 7);
15592 safeStrCpy(commentList[index], "{\n", 3);
15593 safeStrCpy(commentList[index]+2, text, len+1);
15594 commentList[index][len+2] = NULLCHAR;
15595 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15596 strcat(commentList[index], "\n}\n");
15601 CrushCRs (char *text)
15609 if (ch == '\r') continue;
15611 } while (ch != '\0');
15615 AppendComment (int index, char *text, Boolean addBraces)
15616 /* addBraces tells if we should add {} */
15621 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15622 if(addBraces == 3) addBraces = 0; else // force appending literally
15623 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15626 while (*text == '\n') text++;
15627 len = strlen(text);
15628 while (len > 0 && text[len - 1] == '\n') len--;
15629 text[len] = NULLCHAR;
15631 if (len == 0) return;
15633 if (commentList[index] != NULL) {
15634 Boolean addClosingBrace = addBraces;
15635 old = commentList[index];
15636 oldlen = strlen(old);
15637 while(commentList[index][oldlen-1] == '\n')
15638 commentList[index][--oldlen] = NULLCHAR;
15639 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15640 safeStrCpy(commentList[index], old, oldlen + len + 6);
15642 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15643 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15644 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15645 while (*text == '\n') { text++; len--; }
15646 commentList[index][--oldlen] = NULLCHAR;
15648 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15649 else strcat(commentList[index], "\n");
15650 strcat(commentList[index], text);
15651 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15652 else strcat(commentList[index], "\n");
15654 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15656 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15657 else commentList[index][0] = NULLCHAR;
15658 strcat(commentList[index], text);
15659 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15660 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15665 FindStr (char * text, char * sub_text)
15667 char * result = strstr( text, sub_text );
15669 if( result != NULL ) {
15670 result += strlen( sub_text );
15676 /* [AS] Try to extract PV info from PGN comment */
15677 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15679 GetInfoFromComment (int index, char * text)
15681 char * sep = text, *p;
15683 if( text != NULL && index > 0 ) {
15686 int time = -1, sec = 0, deci;
15687 char * s_eval = FindStr( text, "[%eval " );
15688 char * s_emt = FindStr( text, "[%emt " );
15690 if( s_eval != NULL || s_emt != NULL ) {
15692 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15697 if( s_eval != NULL ) {
15698 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15702 if( delim != ']' ) {
15707 if( s_emt != NULL ) {
15712 /* We expect something like: [+|-]nnn.nn/dd */
15715 if(*text != '{') return text; // [HGM] braces: must be normal comment
15717 sep = strchr( text, '/' );
15718 if( sep == NULL || sep < (text+4) ) {
15723 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15724 if(p[1] == '(') { // comment starts with PV
15725 p = strchr(p, ')'); // locate end of PV
15726 if(p == NULL || sep < p+5) return text;
15727 // at this point we have something like "{(.*) +0.23/6 ..."
15728 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15729 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15730 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15732 time = -1; sec = -1; deci = -1;
15733 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15734 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15735 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15736 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15740 if( score_lo < 0 || score_lo >= 100 ) {
15744 if(sec >= 0) time = 600*time + 10*sec; else
15745 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15747 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15749 /* [HGM] PV time: now locate end of PV info */
15750 while( *++sep >= '0' && *sep <= '9'); // strip depth
15752 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15754 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15756 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15757 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15768 pvInfoList[index-1].depth = depth;
15769 pvInfoList[index-1].score = score;
15770 pvInfoList[index-1].time = 10*time; // centi-sec
15771 if(*sep == '}') *sep = 0; else *--sep = '{';
15772 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15778 SendToProgram (char *message, ChessProgramState *cps)
15780 int count, outCount, error;
15783 if (cps->pr == NoProc) return;
15786 if (appData.debugMode) {
15789 fprintf(debugFP, "%ld >%-6s: %s",
15790 SubtractTimeMarks(&now, &programStartTime),
15791 cps->which, message);
15793 fprintf(serverFP, "%ld >%-6s: %s",
15794 SubtractTimeMarks(&now, &programStartTime),
15795 cps->which, message), fflush(serverFP);
15798 count = strlen(message);
15799 outCount = OutputToProcess(cps->pr, message, count, &error);
15800 if (outCount < count && !exiting
15801 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15802 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15803 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15804 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15805 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15806 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15807 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15808 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15810 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15811 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15812 gameInfo.result = res;
15814 gameInfo.resultDetails = StrSave(buf);
15816 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15817 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15822 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15826 ChessProgramState *cps = (ChessProgramState *)closure;
15828 if (isr != cps->isr) return; /* Killed intentionally */
15831 RemoveInputSource(cps->isr);
15832 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15833 _(cps->which), cps->program);
15834 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15835 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15836 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15837 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15838 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15839 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15841 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15842 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15843 gameInfo.result = res;
15845 gameInfo.resultDetails = StrSave(buf);
15847 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15848 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15850 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15851 _(cps->which), cps->program);
15852 RemoveInputSource(cps->isr);
15854 /* [AS] Program is misbehaving badly... kill it */
15855 if( count == -2 ) {
15856 DestroyChildProcess( cps->pr, 9 );
15860 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15865 if ((end_str = strchr(message, '\r')) != NULL)
15866 *end_str = NULLCHAR;
15867 if ((end_str = strchr(message, '\n')) != NULL)
15868 *end_str = NULLCHAR;
15870 if (appData.debugMode) {
15871 TimeMark now; int print = 1;
15872 char *quote = ""; char c; int i;
15874 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15875 char start = message[0];
15876 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15877 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15878 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15879 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15880 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15881 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15882 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15883 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15884 sscanf(message, "hint: %c", &c)!=1 &&
15885 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15886 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15887 print = (appData.engineComments >= 2);
15889 message[0] = start; // restore original message
15893 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15894 SubtractTimeMarks(&now, &programStartTime), cps->which,
15898 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15899 SubtractTimeMarks(&now, &programStartTime), cps->which,
15901 message), fflush(serverFP);
15905 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15906 if (appData.icsEngineAnalyze) {
15907 if (strstr(message, "whisper") != NULL ||
15908 strstr(message, "kibitz") != NULL ||
15909 strstr(message, "tellics") != NULL) return;
15912 HandleMachineMove(message, cps);
15917 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15922 if( timeControl_2 > 0 ) {
15923 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15924 tc = timeControl_2;
15927 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15928 inc /= cps->timeOdds;
15929 st /= cps->timeOdds;
15931 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15934 /* Set exact time per move, normally using st command */
15935 if (cps->stKludge) {
15936 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15938 if (seconds == 0) {
15939 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15941 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15944 snprintf(buf, MSG_SIZ, "st %d\n", st);
15947 /* Set conventional or incremental time control, using level command */
15948 if (seconds == 0) {
15949 /* Note old gnuchess bug -- minutes:seconds used to not work.
15950 Fixed in later versions, but still avoid :seconds
15951 when seconds is 0. */
15952 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15954 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15955 seconds, inc/1000.);
15958 SendToProgram(buf, cps);
15960 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15961 /* Orthogonally, limit search to given depth */
15963 if (cps->sdKludge) {
15964 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15966 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15968 SendToProgram(buf, cps);
15971 if(cps->nps >= 0) { /* [HGM] nps */
15972 if(cps->supportsNPS == FALSE)
15973 cps->nps = -1; // don't use if engine explicitly says not supported!
15975 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15976 SendToProgram(buf, cps);
15981 ChessProgramState *
15983 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15985 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15986 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15992 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15994 char message[MSG_SIZ];
15997 /* Note: this routine must be called when the clocks are stopped
15998 or when they have *just* been set or switched; otherwise
15999 it will be off by the time since the current tick started.
16001 if (machineWhite) {
16002 time = whiteTimeRemaining / 10;
16003 otime = blackTimeRemaining / 10;
16005 time = blackTimeRemaining / 10;
16006 otime = whiteTimeRemaining / 10;
16008 /* [HGM] translate opponent's time by time-odds factor */
16009 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16011 if (time <= 0) time = 1;
16012 if (otime <= 0) otime = 1;
16014 snprintf(message, MSG_SIZ, "time %ld\n", time);
16015 SendToProgram(message, cps);
16017 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16018 SendToProgram(message, cps);
16022 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16025 int len = strlen(name);
16028 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16030 sscanf(*p, "%d", &val);
16032 while (**p && **p != ' ')
16034 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16035 SendToProgram(buf, cps);
16042 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16045 int len = strlen(name);
16046 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16048 sscanf(*p, "%d", loc);
16049 while (**p && **p != ' ') (*p)++;
16050 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16051 SendToProgram(buf, cps);
16058 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16061 int len = strlen(name);
16062 if (strncmp((*p), name, len) == 0
16063 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16065 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16066 sscanf(*p, "%[^\"]", *loc);
16067 while (**p && **p != '\"') (*p)++;
16068 if (**p == '\"') (*p)++;
16069 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16070 SendToProgram(buf, cps);
16077 ParseOption (Option *opt, ChessProgramState *cps)
16078 // [HGM] options: process the string that defines an engine option, and determine
16079 // name, type, default value, and allowed value range
16081 char *p, *q, buf[MSG_SIZ];
16082 int n, min = (-1)<<31, max = 1<<31, def;
16084 if(p = strstr(opt->name, " -spin ")) {
16085 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16086 if(max < min) max = min; // enforce consistency
16087 if(def < min) def = min;
16088 if(def > max) def = max;
16093 } else if((p = strstr(opt->name, " -slider "))) {
16094 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16095 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16096 if(max < min) max = min; // enforce consistency
16097 if(def < min) def = min;
16098 if(def > max) def = max;
16102 opt->type = Spin; // Slider;
16103 } else if((p = strstr(opt->name, " -string "))) {
16104 opt->textValue = p+9;
16105 opt->type = TextBox;
16106 } else if((p = strstr(opt->name, " -file "))) {
16107 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16108 opt->textValue = p+7;
16109 opt->type = FileName; // FileName;
16110 } else if((p = strstr(opt->name, " -path "))) {
16111 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16112 opt->textValue = p+7;
16113 opt->type = PathName; // PathName;
16114 } else if(p = strstr(opt->name, " -check ")) {
16115 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16116 opt->value = (def != 0);
16117 opt->type = CheckBox;
16118 } else if(p = strstr(opt->name, " -combo ")) {
16119 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16120 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16121 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16122 opt->value = n = 0;
16123 while(q = StrStr(q, " /// ")) {
16124 n++; *q = 0; // count choices, and null-terminate each of them
16126 if(*q == '*') { // remember default, which is marked with * prefix
16130 cps->comboList[cps->comboCnt++] = q;
16132 cps->comboList[cps->comboCnt++] = NULL;
16134 opt->type = ComboBox;
16135 } else if(p = strstr(opt->name, " -button")) {
16136 opt->type = Button;
16137 } else if(p = strstr(opt->name, " -save")) {
16138 opt->type = SaveButton;
16139 } else return FALSE;
16140 *p = 0; // terminate option name
16141 // now look if the command-line options define a setting for this engine option.
16142 if(cps->optionSettings && cps->optionSettings[0])
16143 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16144 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16145 snprintf(buf, MSG_SIZ, "option %s", p);
16146 if(p = strstr(buf, ",")) *p = 0;
16147 if(q = strchr(buf, '=')) switch(opt->type) {
16149 for(n=0; n<opt->max; n++)
16150 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16153 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16157 opt->value = atoi(q+1);
16162 SendToProgram(buf, cps);
16168 FeatureDone (ChessProgramState *cps, int val)
16170 DelayedEventCallback cb = GetDelayedEvent();
16171 if ((cb == InitBackEnd3 && cps == &first) ||
16172 (cb == SettingsMenuIfReady && cps == &second) ||
16173 (cb == LoadEngine) ||
16174 (cb == TwoMachinesEventIfReady)) {
16175 CancelDelayedEvent();
16176 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16178 cps->initDone = val;
16179 if(val) cps->reload = FALSE;
16182 /* Parse feature command from engine */
16184 ParseFeatures (char *args, ChessProgramState *cps)
16192 while (*p == ' ') p++;
16193 if (*p == NULLCHAR) return;
16195 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16196 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16197 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16198 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16199 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16200 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16201 if (BoolFeature(&p, "reuse", &val, cps)) {
16202 /* Engine can disable reuse, but can't enable it if user said no */
16203 if (!val) cps->reuse = FALSE;
16206 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16207 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16208 if (gameMode == TwoMachinesPlay) {
16209 DisplayTwoMachinesTitle();
16215 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16216 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16217 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16218 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16219 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16220 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16221 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16222 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16223 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16224 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16225 if (IntFeature(&p, "done", &val, cps)) {
16226 FeatureDone(cps, val);
16229 /* Added by Tord: */
16230 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16231 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16232 /* End of additions by Tord */
16234 /* [HGM] added features: */
16235 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16236 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16237 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16238 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16239 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16240 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16241 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16242 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16243 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16244 FREE(cps->option[cps->nrOptions].name);
16245 cps->option[cps->nrOptions].name = q; q = NULL;
16246 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16247 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16248 SendToProgram(buf, cps);
16251 if(cps->nrOptions >= MAX_OPTIONS) {
16253 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16254 DisplayError(buf, 0);
16258 /* End of additions by HGM */
16260 /* unknown feature: complain and skip */
16262 while (*q && *q != '=') q++;
16263 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16264 SendToProgram(buf, cps);
16270 while (*p && *p != '\"') p++;
16271 if (*p == '\"') p++;
16273 while (*p && *p != ' ') p++;
16281 PeriodicUpdatesEvent (int newState)
16283 if (newState == appData.periodicUpdates)
16286 appData.periodicUpdates=newState;
16288 /* Display type changes, so update it now */
16289 // DisplayAnalysis();
16291 /* Get the ball rolling again... */
16293 AnalysisPeriodicEvent(1);
16294 StartAnalysisClock();
16299 PonderNextMoveEvent (int newState)
16301 if (newState == appData.ponderNextMove) return;
16302 if (gameMode == EditPosition) EditPositionDone(TRUE);
16304 SendToProgram("hard\n", &first);
16305 if (gameMode == TwoMachinesPlay) {
16306 SendToProgram("hard\n", &second);
16309 SendToProgram("easy\n", &first);
16310 thinkOutput[0] = NULLCHAR;
16311 if (gameMode == TwoMachinesPlay) {
16312 SendToProgram("easy\n", &second);
16315 appData.ponderNextMove = newState;
16319 NewSettingEvent (int option, int *feature, char *command, int value)
16323 if (gameMode == EditPosition) EditPositionDone(TRUE);
16324 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16325 if(feature == NULL || *feature) SendToProgram(buf, &first);
16326 if (gameMode == TwoMachinesPlay) {
16327 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16332 ShowThinkingEvent ()
16333 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16335 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16336 int newState = appData.showThinking
16337 // [HGM] thinking: other features now need thinking output as well
16338 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16340 if (oldState == newState) return;
16341 oldState = newState;
16342 if (gameMode == EditPosition) EditPositionDone(TRUE);
16344 SendToProgram("post\n", &first);
16345 if (gameMode == TwoMachinesPlay) {
16346 SendToProgram("post\n", &second);
16349 SendToProgram("nopost\n", &first);
16350 thinkOutput[0] = NULLCHAR;
16351 if (gameMode == TwoMachinesPlay) {
16352 SendToProgram("nopost\n", &second);
16355 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16359 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16361 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16362 if (pr == NoProc) return;
16363 AskQuestion(title, question, replyPrefix, pr);
16367 TypeInEvent (char firstChar)
16369 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16370 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16371 gameMode == AnalyzeMode || gameMode == EditGame ||
16372 gameMode == EditPosition || gameMode == IcsExamining ||
16373 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16374 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16375 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16376 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16377 gameMode == Training) PopUpMoveDialog(firstChar);
16381 TypeInDoneEvent (char *move)
16384 int n, fromX, fromY, toX, toY;
16386 ChessMove moveType;
16389 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16390 EditPositionPasteFEN(move);
16393 // [HGM] movenum: allow move number to be typed in any mode
16394 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16398 // undocumented kludge: allow command-line option to be typed in!
16399 // (potentially fatal, and does not implement the effect of the option.)
16400 // should only be used for options that are values on which future decisions will be made,
16401 // and definitely not on options that would be used during initialization.
16402 if(strstr(move, "!!! -") == move) {
16403 ParseArgsFromString(move+4);
16407 if (gameMode != EditGame && currentMove != forwardMostMove &&
16408 gameMode != Training) {
16409 DisplayMoveError(_("Displayed move is not current"));
16411 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16412 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16413 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16414 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16415 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16416 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16418 DisplayMoveError(_("Could not parse move"));
16424 DisplayMove (int moveNumber)
16426 char message[MSG_SIZ];
16428 char cpThinkOutput[MSG_SIZ];
16430 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16432 if (moveNumber == forwardMostMove - 1 ||
16433 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16435 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16437 if (strchr(cpThinkOutput, '\n')) {
16438 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16441 *cpThinkOutput = NULLCHAR;
16444 /* [AS] Hide thinking from human user */
16445 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16446 *cpThinkOutput = NULLCHAR;
16447 if( thinkOutput[0] != NULLCHAR ) {
16450 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16451 cpThinkOutput[i] = '.';
16453 cpThinkOutput[i] = NULLCHAR;
16454 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16458 if (moveNumber == forwardMostMove - 1 &&
16459 gameInfo.resultDetails != NULL) {
16460 if (gameInfo.resultDetails[0] == NULLCHAR) {
16461 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16463 snprintf(res, MSG_SIZ, " {%s} %s",
16464 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16470 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16471 DisplayMessage(res, cpThinkOutput);
16473 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16474 WhiteOnMove(moveNumber) ? " " : ".. ",
16475 parseList[moveNumber], res);
16476 DisplayMessage(message, cpThinkOutput);
16481 DisplayComment (int moveNumber, char *text)
16483 char title[MSG_SIZ];
16485 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16486 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16488 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16489 WhiteOnMove(moveNumber) ? " " : ".. ",
16490 parseList[moveNumber]);
16492 if (text != NULL && (appData.autoDisplayComment || commentUp))
16493 CommentPopUp(title, text);
16496 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16497 * might be busy thinking or pondering. It can be omitted if your
16498 * gnuchess is configured to stop thinking immediately on any user
16499 * input. However, that gnuchess feature depends on the FIONREAD
16500 * ioctl, which does not work properly on some flavors of Unix.
16503 Attention (ChessProgramState *cps)
16506 if (!cps->useSigint) return;
16507 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16508 switch (gameMode) {
16509 case MachinePlaysWhite:
16510 case MachinePlaysBlack:
16511 case TwoMachinesPlay:
16512 case IcsPlayingWhite:
16513 case IcsPlayingBlack:
16516 /* Skip if we know it isn't thinking */
16517 if (!cps->maybeThinking) return;
16518 if (appData.debugMode)
16519 fprintf(debugFP, "Interrupting %s\n", cps->which);
16520 InterruptChildProcess(cps->pr);
16521 cps->maybeThinking = FALSE;
16526 #endif /*ATTENTION*/
16532 if (whiteTimeRemaining <= 0) {
16535 if (appData.icsActive) {
16536 if (appData.autoCallFlag &&
16537 gameMode == IcsPlayingBlack && !blackFlag) {
16538 SendToICS(ics_prefix);
16539 SendToICS("flag\n");
16543 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16545 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16546 if (appData.autoCallFlag) {
16547 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16554 if (blackTimeRemaining <= 0) {
16557 if (appData.icsActive) {
16558 if (appData.autoCallFlag &&
16559 gameMode == IcsPlayingWhite && !whiteFlag) {
16560 SendToICS(ics_prefix);
16561 SendToICS("flag\n");
16565 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16567 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16568 if (appData.autoCallFlag) {
16569 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16580 CheckTimeControl ()
16582 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16583 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16586 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16588 if ( !WhiteOnMove(forwardMostMove) ) {
16589 /* White made time control */
16590 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16591 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16592 /* [HGM] time odds: correct new time quota for time odds! */
16593 / WhitePlayer()->timeOdds;
16594 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16596 lastBlack -= blackTimeRemaining;
16597 /* Black made time control */
16598 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16599 / WhitePlayer()->other->timeOdds;
16600 lastWhite = whiteTimeRemaining;
16605 DisplayBothClocks ()
16607 int wom = gameMode == EditPosition ?
16608 !blackPlaysFirst : WhiteOnMove(currentMove);
16609 DisplayWhiteClock(whiteTimeRemaining, wom);
16610 DisplayBlackClock(blackTimeRemaining, !wom);
16614 /* Timekeeping seems to be a portability nightmare. I think everyone
16615 has ftime(), but I'm really not sure, so I'm including some ifdefs
16616 to use other calls if you don't. Clocks will be less accurate if
16617 you have neither ftime nor gettimeofday.
16620 /* VS 2008 requires the #include outside of the function */
16621 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16622 #include <sys/timeb.h>
16625 /* Get the current time as a TimeMark */
16627 GetTimeMark (TimeMark *tm)
16629 #if HAVE_GETTIMEOFDAY
16631 struct timeval timeVal;
16632 struct timezone timeZone;
16634 gettimeofday(&timeVal, &timeZone);
16635 tm->sec = (long) timeVal.tv_sec;
16636 tm->ms = (int) (timeVal.tv_usec / 1000L);
16638 #else /*!HAVE_GETTIMEOFDAY*/
16641 // include <sys/timeb.h> / moved to just above start of function
16642 struct timeb timeB;
16645 tm->sec = (long) timeB.time;
16646 tm->ms = (int) timeB.millitm;
16648 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16649 tm->sec = (long) time(NULL);
16655 /* Return the difference in milliseconds between two
16656 time marks. We assume the difference will fit in a long!
16659 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16661 return 1000L*(tm2->sec - tm1->sec) +
16662 (long) (tm2->ms - tm1->ms);
16667 * Code to manage the game clocks.
16669 * In tournament play, black starts the clock and then white makes a move.
16670 * We give the human user a slight advantage if he is playing white---the
16671 * clocks don't run until he makes his first move, so it takes zero time.
16672 * Also, we don't account for network lag, so we could get out of sync
16673 * with GNU Chess's clock -- but then, referees are always right.
16676 static TimeMark tickStartTM;
16677 static long intendedTickLength;
16680 NextTickLength (long timeRemaining)
16682 long nominalTickLength, nextTickLength;
16684 if (timeRemaining > 0L && timeRemaining <= 10000L)
16685 nominalTickLength = 100L;
16687 nominalTickLength = 1000L;
16688 nextTickLength = timeRemaining % nominalTickLength;
16689 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16691 return nextTickLength;
16694 /* Adjust clock one minute up or down */
16696 AdjustClock (Boolean which, int dir)
16698 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16699 if(which) blackTimeRemaining += 60000*dir;
16700 else whiteTimeRemaining += 60000*dir;
16701 DisplayBothClocks();
16702 adjustedClock = TRUE;
16705 /* Stop clocks and reset to a fresh time control */
16709 (void) StopClockTimer();
16710 if (appData.icsActive) {
16711 whiteTimeRemaining = blackTimeRemaining = 0;
16712 } else if (searchTime) {
16713 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16714 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16715 } else { /* [HGM] correct new time quote for time odds */
16716 whiteTC = blackTC = fullTimeControlString;
16717 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16718 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16720 if (whiteFlag || blackFlag) {
16722 whiteFlag = blackFlag = FALSE;
16724 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16725 DisplayBothClocks();
16726 adjustedClock = FALSE;
16729 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16731 /* Decrement running clock by amount of time that has passed */
16735 long timeRemaining;
16736 long lastTickLength, fudge;
16739 if (!appData.clockMode) return;
16740 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16744 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16746 /* Fudge if we woke up a little too soon */
16747 fudge = intendedTickLength - lastTickLength;
16748 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16750 if (WhiteOnMove(forwardMostMove)) {
16751 if(whiteNPS >= 0) lastTickLength = 0;
16752 timeRemaining = whiteTimeRemaining -= lastTickLength;
16753 if(timeRemaining < 0 && !appData.icsActive) {
16754 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16755 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16756 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16757 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16760 DisplayWhiteClock(whiteTimeRemaining - fudge,
16761 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16763 if(blackNPS >= 0) lastTickLength = 0;
16764 timeRemaining = blackTimeRemaining -= lastTickLength;
16765 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16766 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16768 blackStartMove = forwardMostMove;
16769 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16772 DisplayBlackClock(blackTimeRemaining - fudge,
16773 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16775 if (CheckFlags()) return;
16777 if(twoBoards) { // count down secondary board's clocks as well
16778 activePartnerTime -= lastTickLength;
16780 if(activePartner == 'W')
16781 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16783 DisplayBlackClock(activePartnerTime, TRUE);
16788 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16789 StartClockTimer(intendedTickLength);
16791 /* if the time remaining has fallen below the alarm threshold, sound the
16792 * alarm. if the alarm has sounded and (due to a takeback or time control
16793 * with increment) the time remaining has increased to a level above the
16794 * threshold, reset the alarm so it can sound again.
16797 if (appData.icsActive && appData.icsAlarm) {
16799 /* make sure we are dealing with the user's clock */
16800 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16801 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16804 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16805 alarmSounded = FALSE;
16806 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16808 alarmSounded = TRUE;
16814 /* A player has just moved, so stop the previously running
16815 clock and (if in clock mode) start the other one.
16816 We redisplay both clocks in case we're in ICS mode, because
16817 ICS gives us an update to both clocks after every move.
16818 Note that this routine is called *after* forwardMostMove
16819 is updated, so the last fractional tick must be subtracted
16820 from the color that is *not* on move now.
16823 SwitchClocks (int newMoveNr)
16825 long lastTickLength;
16827 int flagged = FALSE;
16831 if (StopClockTimer() && appData.clockMode) {
16832 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16833 if (!WhiteOnMove(forwardMostMove)) {
16834 if(blackNPS >= 0) lastTickLength = 0;
16835 blackTimeRemaining -= lastTickLength;
16836 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16837 // if(pvInfoList[forwardMostMove].time == -1)
16838 pvInfoList[forwardMostMove].time = // use GUI time
16839 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16841 if(whiteNPS >= 0) lastTickLength = 0;
16842 whiteTimeRemaining -= lastTickLength;
16843 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16844 // if(pvInfoList[forwardMostMove].time == -1)
16845 pvInfoList[forwardMostMove].time =
16846 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16848 flagged = CheckFlags();
16850 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16851 CheckTimeControl();
16853 if (flagged || !appData.clockMode) return;
16855 switch (gameMode) {
16856 case MachinePlaysBlack:
16857 case MachinePlaysWhite:
16858 case BeginningOfGame:
16859 if (pausing) return;
16863 case PlayFromGameFile:
16871 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16872 if(WhiteOnMove(forwardMostMove))
16873 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16874 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16878 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16879 whiteTimeRemaining : blackTimeRemaining);
16880 StartClockTimer(intendedTickLength);
16884 /* Stop both clocks */
16888 long lastTickLength;
16891 if (!StopClockTimer()) return;
16892 if (!appData.clockMode) return;
16896 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16897 if (WhiteOnMove(forwardMostMove)) {
16898 if(whiteNPS >= 0) lastTickLength = 0;
16899 whiteTimeRemaining -= lastTickLength;
16900 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16902 if(blackNPS >= 0) lastTickLength = 0;
16903 blackTimeRemaining -= lastTickLength;
16904 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16909 /* Start clock of player on move. Time may have been reset, so
16910 if clock is already running, stop and restart it. */
16914 (void) StopClockTimer(); /* in case it was running already */
16915 DisplayBothClocks();
16916 if (CheckFlags()) return;
16918 if (!appData.clockMode) return;
16919 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16921 GetTimeMark(&tickStartTM);
16922 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16923 whiteTimeRemaining : blackTimeRemaining);
16925 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16926 whiteNPS = blackNPS = -1;
16927 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16928 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16929 whiteNPS = first.nps;
16930 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16931 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16932 blackNPS = first.nps;
16933 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16934 whiteNPS = second.nps;
16935 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16936 blackNPS = second.nps;
16937 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16939 StartClockTimer(intendedTickLength);
16943 TimeString (long ms)
16945 long second, minute, hour, day;
16947 static char buf[32];
16949 if (ms > 0 && ms <= 9900) {
16950 /* convert milliseconds to tenths, rounding up */
16951 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16953 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16957 /* convert milliseconds to seconds, rounding up */
16958 /* use floating point to avoid strangeness of integer division
16959 with negative dividends on many machines */
16960 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16967 day = second / (60 * 60 * 24);
16968 second = second % (60 * 60 * 24);
16969 hour = second / (60 * 60);
16970 second = second % (60 * 60);
16971 minute = second / 60;
16972 second = second % 60;
16975 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16976 sign, day, hour, minute, second);
16978 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16980 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16987 * This is necessary because some C libraries aren't ANSI C compliant yet.
16990 StrStr (char *string, char *match)
16994 length = strlen(match);
16996 for (i = strlen(string) - length; i >= 0; i--, string++)
16997 if (!strncmp(match, string, length))
17004 StrCaseStr (char *string, char *match)
17008 length = strlen(match);
17010 for (i = strlen(string) - length; i >= 0; i--, string++) {
17011 for (j = 0; j < length; j++) {
17012 if (ToLower(match[j]) != ToLower(string[j]))
17015 if (j == length) return string;
17023 StrCaseCmp (char *s1, char *s2)
17028 c1 = ToLower(*s1++);
17029 c2 = ToLower(*s2++);
17030 if (c1 > c2) return 1;
17031 if (c1 < c2) return -1;
17032 if (c1 == NULLCHAR) return 0;
17040 return isupper(c) ? tolower(c) : c;
17047 return islower(c) ? toupper(c) : c;
17049 #endif /* !_amigados */
17056 if ((ret = (char *) malloc(strlen(s) + 1)))
17058 safeStrCpy(ret, s, strlen(s)+1);
17064 StrSavePtr (char *s, char **savePtr)
17069 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17070 safeStrCpy(*savePtr, s, strlen(s)+1);
17082 clock = time((time_t *)NULL);
17083 tm = localtime(&clock);
17084 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17085 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17086 return StrSave(buf);
17091 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17093 int i, j, fromX, fromY, toX, toY;
17100 whiteToPlay = (gameMode == EditPosition) ?
17101 !blackPlaysFirst : (move % 2 == 0);
17104 /* Piece placement data */
17105 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17106 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17108 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17109 if (boards[move][i][j] == EmptySquare) {
17111 } else { ChessSquare piece = boards[move][i][j];
17112 if (emptycount > 0) {
17113 if(emptycount<10) /* [HGM] can be >= 10 */
17114 *p++ = '0' + emptycount;
17115 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17118 if(PieceToChar(piece) == '+') {
17119 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17121 piece = (ChessSquare)(DEMOTED piece);
17123 *p++ = PieceToChar(piece);
17125 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17126 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17131 if (emptycount > 0) {
17132 if(emptycount<10) /* [HGM] can be >= 10 */
17133 *p++ = '0' + emptycount;
17134 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17141 /* [HGM] print Crazyhouse or Shogi holdings */
17142 if( gameInfo.holdingsWidth ) {
17143 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17145 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17146 piece = boards[move][i][BOARD_WIDTH-1];
17147 if( piece != EmptySquare )
17148 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17149 *p++ = PieceToChar(piece);
17151 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17152 piece = boards[move][BOARD_HEIGHT-i-1][0];
17153 if( piece != EmptySquare )
17154 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17155 *p++ = PieceToChar(piece);
17158 if( q == p ) *p++ = '-';
17164 *p++ = whiteToPlay ? 'w' : 'b';
17167 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17168 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17170 if(nrCastlingRights) {
17172 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17173 /* [HGM] write directly from rights */
17174 if(boards[move][CASTLING][2] != NoRights &&
17175 boards[move][CASTLING][0] != NoRights )
17176 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17177 if(boards[move][CASTLING][2] != NoRights &&
17178 boards[move][CASTLING][1] != NoRights )
17179 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17180 if(boards[move][CASTLING][5] != NoRights &&
17181 boards[move][CASTLING][3] != NoRights )
17182 *p++ = boards[move][CASTLING][3] + AAA;
17183 if(boards[move][CASTLING][5] != NoRights &&
17184 boards[move][CASTLING][4] != NoRights )
17185 *p++ = boards[move][CASTLING][4] + AAA;
17188 /* [HGM] write true castling rights */
17189 if( nrCastlingRights == 6 ) {
17191 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17192 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17193 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17194 boards[move][CASTLING][2] != NoRights );
17195 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17196 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17197 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17198 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17199 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17203 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17204 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17205 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17206 boards[move][CASTLING][5] != NoRights );
17207 if(gameInfo.variant == VariantSChess) {
17208 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17209 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17210 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17211 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17216 if (q == p) *p++ = '-'; /* No castling rights */
17220 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17221 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17222 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17223 /* En passant target square */
17224 if (move > backwardMostMove) {
17225 fromX = moveList[move - 1][0] - AAA;
17226 fromY = moveList[move - 1][1] - ONE;
17227 toX = moveList[move - 1][2] - AAA;
17228 toY = moveList[move - 1][3] - ONE;
17229 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17230 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17231 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17233 /* 2-square pawn move just happened */
17235 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17239 } else if(move == backwardMostMove) {
17240 // [HGM] perhaps we should always do it like this, and forget the above?
17241 if((signed char)boards[move][EP_STATUS] >= 0) {
17242 *p++ = boards[move][EP_STATUS] + AAA;
17243 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17255 { int i = 0, j=move;
17257 /* [HGM] find reversible plies */
17258 if (appData.debugMode) { int k;
17259 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17260 for(k=backwardMostMove; k<=forwardMostMove; k++)
17261 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17265 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17266 if( j == backwardMostMove ) i += initialRulePlies;
17267 sprintf(p, "%d ", i);
17268 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17270 /* Fullmove number */
17271 sprintf(p, "%d", (move / 2) + 1);
17272 } else *--p = NULLCHAR;
17274 return StrSave(buf);
17278 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17282 int emptycount, virgin[BOARD_FILES];
17287 /* [HGM] by default clear Crazyhouse holdings, if present */
17288 if(gameInfo.holdingsWidth) {
17289 for(i=0; i<BOARD_HEIGHT; i++) {
17290 board[i][0] = EmptySquare; /* black holdings */
17291 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17292 board[i][1] = (ChessSquare) 0; /* black counts */
17293 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17297 /* Piece placement data */
17298 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17301 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17302 if (*p == '/') p++;
17303 emptycount = gameInfo.boardWidth - j;
17304 while (emptycount--)
17305 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17307 #if(BOARD_FILES >= 10)
17308 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17309 p++; emptycount=10;
17310 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17311 while (emptycount--)
17312 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17314 } else if (isdigit(*p)) {
17315 emptycount = *p++ - '0';
17316 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17317 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17318 while (emptycount--)
17319 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17320 } else if (*p == '+' || isalpha(*p)) {
17321 if (j >= gameInfo.boardWidth) return FALSE;
17323 piece = CharToPiece(*++p);
17324 if(piece == EmptySquare) return FALSE; /* unknown piece */
17325 piece = (ChessSquare) (PROMOTED piece ); p++;
17326 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17327 } else piece = CharToPiece(*p++);
17329 if(piece==EmptySquare) return FALSE; /* unknown piece */
17330 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17331 piece = (ChessSquare) (PROMOTED piece);
17332 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17335 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17341 while (*p == '/' || *p == ' ') p++;
17343 /* [HGM] look for Crazyhouse holdings here */
17344 while(*p==' ') p++;
17345 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17347 if(*p == '-' ) p++; /* empty holdings */ else {
17348 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17349 /* if we would allow FEN reading to set board size, we would */
17350 /* have to add holdings and shift the board read so far here */
17351 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17353 if((int) piece >= (int) BlackPawn ) {
17354 i = (int)piece - (int)BlackPawn;
17355 i = PieceToNumber((ChessSquare)i);
17356 if( i >= gameInfo.holdingsSize ) return FALSE;
17357 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17358 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17360 i = (int)piece - (int)WhitePawn;
17361 i = PieceToNumber((ChessSquare)i);
17362 if( i >= gameInfo.holdingsSize ) return FALSE;
17363 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17364 board[i][BOARD_WIDTH-2]++; /* black holdings */
17371 while(*p == ' ') p++;
17375 if(appData.colorNickNames) {
17376 if( c == appData.colorNickNames[0] ) c = 'w'; else
17377 if( c == appData.colorNickNames[1] ) c = 'b';
17381 *blackPlaysFirst = FALSE;
17384 *blackPlaysFirst = TRUE;
17390 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17391 /* return the extra info in global variiables */
17393 /* set defaults in case FEN is incomplete */
17394 board[EP_STATUS] = EP_UNKNOWN;
17395 for(i=0; i<nrCastlingRights; i++ ) {
17396 board[CASTLING][i] =
17397 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17398 } /* assume possible unless obviously impossible */
17399 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17400 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17401 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17402 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17403 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17404 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17405 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17406 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17409 while(*p==' ') p++;
17410 if(nrCastlingRights) {
17411 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17412 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17413 /* castling indicator present, so default becomes no castlings */
17414 for(i=0; i<nrCastlingRights; i++ ) {
17415 board[CASTLING][i] = NoRights;
17418 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17419 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17420 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17421 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17422 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17424 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17425 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17426 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17428 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17429 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17430 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17431 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17432 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17433 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17436 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17437 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17438 board[CASTLING][2] = whiteKingFile;
17439 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17440 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17443 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17444 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17445 board[CASTLING][2] = whiteKingFile;
17446 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17447 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17450 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17451 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17452 board[CASTLING][5] = blackKingFile;
17453 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17454 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17457 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17458 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17459 board[CASTLING][5] = blackKingFile;
17460 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17461 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17464 default: /* FRC castlings */
17465 if(c >= 'a') { /* black rights */
17466 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17467 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17468 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17469 if(i == BOARD_RGHT) break;
17470 board[CASTLING][5] = i;
17472 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17473 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17475 board[CASTLING][3] = c;
17477 board[CASTLING][4] = c;
17478 } else { /* white rights */
17479 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17480 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17481 if(board[0][i] == WhiteKing) break;
17482 if(i == BOARD_RGHT) break;
17483 board[CASTLING][2] = i;
17484 c -= AAA - 'a' + 'A';
17485 if(board[0][c] >= WhiteKing) break;
17487 board[CASTLING][0] = c;
17489 board[CASTLING][1] = c;
17493 for(i=0; i<nrCastlingRights; i++)
17494 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17495 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17496 if (appData.debugMode) {
17497 fprintf(debugFP, "FEN castling rights:");
17498 for(i=0; i<nrCastlingRights; i++)
17499 fprintf(debugFP, " %d", board[CASTLING][i]);
17500 fprintf(debugFP, "\n");
17503 while(*p==' ') p++;
17506 /* read e.p. field in games that know e.p. capture */
17507 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17508 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17509 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17511 p++; board[EP_STATUS] = EP_NONE;
17513 char c = *p++ - AAA;
17515 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17516 if(*p >= '0' && *p <='9') p++;
17517 board[EP_STATUS] = c;
17522 if(sscanf(p, "%d", &i) == 1) {
17523 FENrulePlies = i; /* 50-move ply counter */
17524 /* (The move number is still ignored) */
17531 EditPositionPasteFEN (char *fen)
17534 Board initial_position;
17536 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17537 DisplayError(_("Bad FEN position in clipboard"), 0);
17540 int savedBlackPlaysFirst = blackPlaysFirst;
17541 EditPositionEvent();
17542 blackPlaysFirst = savedBlackPlaysFirst;
17543 CopyBoard(boards[0], initial_position);
17544 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17545 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17546 DisplayBothClocks();
17547 DrawPosition(FALSE, boards[currentMove]);
17552 static char cseq[12] = "\\ ";
17555 set_cont_sequence (char *new_seq)
17560 // handle bad attempts to set the sequence
17562 return 0; // acceptable error - no debug
17564 len = strlen(new_seq);
17565 ret = (len > 0) && (len < sizeof(cseq));
17567 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17568 else if (appData.debugMode)
17569 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17574 reformat a source message so words don't cross the width boundary. internal
17575 newlines are not removed. returns the wrapped size (no null character unless
17576 included in source message). If dest is NULL, only calculate the size required
17577 for the dest buffer. lp argument indicats line position upon entry, and it's
17578 passed back upon exit.
17581 wrap (char *dest, char *src, int count, int width, int *lp)
17583 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17585 cseq_len = strlen(cseq);
17586 old_line = line = *lp;
17587 ansi = len = clen = 0;
17589 for (i=0; i < count; i++)
17591 if (src[i] == '\033')
17594 // if we hit the width, back up
17595 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17597 // store i & len in case the word is too long
17598 old_i = i, old_len = len;
17600 // find the end of the last word
17601 while (i && src[i] != ' ' && src[i] != '\n')
17607 // word too long? restore i & len before splitting it
17608 if ((old_i-i+clen) >= width)
17615 if (i && src[i-1] == ' ')
17618 if (src[i] != ' ' && src[i] != '\n')
17625 // now append the newline and continuation sequence
17630 strncpy(dest+len, cseq, cseq_len);
17638 dest[len] = src[i];
17642 if (src[i] == '\n')
17647 if (dest && appData.debugMode)
17649 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17650 count, width, line, len, *lp);
17651 show_bytes(debugFP, src, count);
17652 fprintf(debugFP, "\ndest: ");
17653 show_bytes(debugFP, dest, len);
17654 fprintf(debugFP, "\n");
17656 *lp = dest ? line : old_line;
17661 // [HGM] vari: routines for shelving variations
17662 Boolean modeRestore = FALSE;
17665 PushInner (int firstMove, int lastMove)
17667 int i, j, nrMoves = lastMove - firstMove;
17669 // push current tail of game on stack
17670 savedResult[storedGames] = gameInfo.result;
17671 savedDetails[storedGames] = gameInfo.resultDetails;
17672 gameInfo.resultDetails = NULL;
17673 savedFirst[storedGames] = firstMove;
17674 savedLast [storedGames] = lastMove;
17675 savedFramePtr[storedGames] = framePtr;
17676 framePtr -= nrMoves; // reserve space for the boards
17677 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17678 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17679 for(j=0; j<MOVE_LEN; j++)
17680 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17681 for(j=0; j<2*MOVE_LEN; j++)
17682 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17683 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17684 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17685 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17686 pvInfoList[firstMove+i-1].depth = 0;
17687 commentList[framePtr+i] = commentList[firstMove+i];
17688 commentList[firstMove+i] = NULL;
17692 forwardMostMove = firstMove; // truncate game so we can start variation
17696 PushTail (int firstMove, int lastMove)
17698 if(appData.icsActive) { // only in local mode
17699 forwardMostMove = currentMove; // mimic old ICS behavior
17702 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17704 PushInner(firstMove, lastMove);
17705 if(storedGames == 1) GreyRevert(FALSE);
17706 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17710 PopInner (Boolean annotate)
17713 char buf[8000], moveBuf[20];
17715 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17716 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17717 nrMoves = savedLast[storedGames] - currentMove;
17720 if(!WhiteOnMove(currentMove))
17721 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17722 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17723 for(i=currentMove; i<forwardMostMove; i++) {
17725 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17726 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17727 strcat(buf, moveBuf);
17728 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17729 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17733 for(i=1; i<=nrMoves; i++) { // copy last variation back
17734 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17735 for(j=0; j<MOVE_LEN; j++)
17736 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17737 for(j=0; j<2*MOVE_LEN; j++)
17738 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17739 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17740 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17741 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17742 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17743 commentList[currentMove+i] = commentList[framePtr+i];
17744 commentList[framePtr+i] = NULL;
17746 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17747 framePtr = savedFramePtr[storedGames];
17748 gameInfo.result = savedResult[storedGames];
17749 if(gameInfo.resultDetails != NULL) {
17750 free(gameInfo.resultDetails);
17752 gameInfo.resultDetails = savedDetails[storedGames];
17753 forwardMostMove = currentMove + nrMoves;
17757 PopTail (Boolean annotate)
17759 if(appData.icsActive) return FALSE; // only in local mode
17760 if(!storedGames) return FALSE; // sanity
17761 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17763 PopInner(annotate);
17764 if(currentMove < forwardMostMove) ForwardEvent(); else
17765 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17767 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17773 { // remove all shelved variations
17775 for(i=0; i<storedGames; i++) {
17776 if(savedDetails[i])
17777 free(savedDetails[i]);
17778 savedDetails[i] = NULL;
17780 for(i=framePtr; i<MAX_MOVES; i++) {
17781 if(commentList[i]) free(commentList[i]);
17782 commentList[i] = NULL;
17784 framePtr = MAX_MOVES-1;
17789 LoadVariation (int index, char *text)
17790 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17791 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17792 int level = 0, move;
17794 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17795 // first find outermost bracketing variation
17796 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17797 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17798 if(*p == '{') wait = '}'; else
17799 if(*p == '[') wait = ']'; else
17800 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17801 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17803 if(*p == wait) wait = NULLCHAR; // closing ]} found
17806 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17807 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17808 end[1] = NULLCHAR; // clip off comment beyond variation
17809 ToNrEvent(currentMove-1);
17810 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17811 // kludge: use ParsePV() to append variation to game
17812 move = currentMove;
17813 ParsePV(start, TRUE, TRUE);
17814 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17815 ClearPremoveHighlights();
17817 ToNrEvent(currentMove+1);
17823 char *p, *q, buf[MSG_SIZ];
17824 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17825 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17826 ParseArgsFromString(buf);
17827 ActivateTheme(TRUE); // also redo colors
17831 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17834 q = appData.themeNames;
17835 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17836 if(appData.useBitmaps) {
17837 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17838 appData.liteBackTextureFile, appData.darkBackTextureFile,
17839 appData.liteBackTextureMode,
17840 appData.darkBackTextureMode );
17842 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17843 Col2Text(2), // lightSquareColor
17844 Col2Text(3) ); // darkSquareColor
17846 if(appData.useBorder) {
17847 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17850 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17852 if(appData.useFont) {
17853 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17854 appData.renderPiecesWithFont,
17855 appData.fontToPieceTable,
17856 Col2Text(9), // appData.fontBackColorWhite
17857 Col2Text(10) ); // appData.fontForeColorBlack
17859 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17860 appData.pieceDirectory);
17861 if(!appData.pieceDirectory[0])
17862 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17863 Col2Text(0), // whitePieceColor
17864 Col2Text(1) ); // blackPieceColor
17866 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17867 Col2Text(4), // highlightSquareColor
17868 Col2Text(5) ); // premoveHighlightColor
17869 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17870 if(insert != q) insert[-1] = NULLCHAR;
17871 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17874 ActivateTheme(FALSE);