2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
266 extern int tinyLayout, smallLayout;
267 ChessProgramStats programStats;
268 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
270 static int exiting = 0; /* [HGM] moved to top */
271 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
272 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
273 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
274 int partnerHighlight[2];
275 Boolean partnerBoardValid = 0;
276 char partnerStatus[MSG_SIZ];
278 Boolean originalFlip;
279 Boolean twoBoards = 0;
280 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
281 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
282 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
283 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
284 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
285 int opponentKibitzes;
286 int lastSavedGame; /* [HGM] save: ID of game */
287 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
288 extern int chatCount;
290 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
291 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
292 char lastMsg[MSG_SIZ];
293 char lastTalker[MSG_SIZ];
294 ChessSquare pieceSweep = EmptySquare;
295 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
296 int promoDefaultAltered;
297 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
298 static int initPing = -1;
299 int border; /* [HGM] width of board rim, needed to size seek graph */
300 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
301 int solvingTime, totalTime;
303 /* States for ics_getting_history */
305 #define H_REQUESTED 1
306 #define H_GOT_REQ_HEADER 2
307 #define H_GOT_UNREQ_HEADER 3
308 #define H_GETTING_MOVES 4
309 #define H_GOT_UNWANTED_HEADER 5
311 /* whosays values for GameEnds */
320 /* Maximum number of games in a cmail message */
321 #define CMAIL_MAX_GAMES 20
323 /* Different types of move when calling RegisterMove */
325 #define CMAIL_RESIGN 1
327 #define CMAIL_ACCEPT 3
329 /* Different types of result to remember for each game */
330 #define CMAIL_NOT_RESULT 0
331 #define CMAIL_OLD_RESULT 1
332 #define CMAIL_NEW_RESULT 2
334 /* Telnet protocol constants */
345 safeStrCpy (char *dst, const char *src, size_t count)
348 assert( dst != NULL );
349 assert( src != NULL );
352 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
353 if( i == count && dst[count-1] != NULLCHAR)
355 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
356 if(appData.debugMode)
357 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
363 /* Some compiler can't cast u64 to double
364 * This function do the job for us:
366 * We use the highest bit for cast, this only
367 * works if the highest bit is not
368 * in use (This should not happen)
370 * We used this for all compiler
373 u64ToDouble (u64 value)
376 u64 tmp = value & u64Const(0x7fffffffffffffff);
377 r = (double)(s64)tmp;
378 if (value & u64Const(0x8000000000000000))
379 r += 9.2233720368547758080e18; /* 2^63 */
383 /* Fake up flags for now, as we aren't keeping track of castling
384 availability yet. [HGM] Change of logic: the flag now only
385 indicates the type of castlings allowed by the rule of the game.
386 The actual rights themselves are maintained in the array
387 castlingRights, as part of the game history, and are not probed
393 int flags = F_ALL_CASTLE_OK;
394 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
395 switch (gameInfo.variant) {
397 flags &= ~F_ALL_CASTLE_OK;
398 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
399 flags |= F_IGNORE_CHECK;
401 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
404 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
406 case VariantKriegspiel:
407 flags |= F_KRIEGSPIEL_CAPTURE;
409 case VariantCapaRandom:
410 case VariantFischeRandom:
411 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
412 case VariantNoCastle:
413 case VariantShatranj:
418 flags &= ~F_ALL_CASTLE_OK;
421 case VariantChuChess:
423 flags |= F_NULL_MOVE;
428 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
432 FILE *gameFileFP, *debugFP, *serverFP;
433 char *currentDebugFile; // [HGM] debug split: to remember name
436 [AS] Note: sometimes, the sscanf() function is used to parse the input
437 into a fixed-size buffer. Because of this, we must be prepared to
438 receive strings as long as the size of the input buffer, which is currently
439 set to 4K for Windows and 8K for the rest.
440 So, we must either allocate sufficiently large buffers here, or
441 reduce the size of the input buffer in the input reading part.
444 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
445 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
446 char thinkOutput1[MSG_SIZ*10];
447 char promoRestrict[MSG_SIZ];
449 ChessProgramState first, second, pairing;
451 /* premove variables */
454 int premoveFromX = 0;
455 int premoveFromY = 0;
456 int premovePromoChar = 0;
458 Boolean alarmSounded;
459 /* end premove variables */
461 char *ics_prefix = "$";
462 enum ICS_TYPE ics_type = ICS_GENERIC;
464 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
465 int pauseExamForwardMostMove = 0;
466 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
467 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
468 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
469 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
470 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
471 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
472 int whiteFlag = FALSE, blackFlag = FALSE;
473 int userOfferedDraw = FALSE;
474 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
475 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
476 int cmailMoveType[CMAIL_MAX_GAMES];
477 long ics_clock_paused = 0;
478 ProcRef icsPR = NoProc, cmailPR = NoProc;
479 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
480 GameMode gameMode = BeginningOfGame;
481 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
482 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
483 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
484 int hiddenThinkOutputState = 0; /* [AS] */
485 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
486 int adjudicateLossPlies = 6;
487 char white_holding[64], black_holding[64];
488 TimeMark lastNodeCountTime;
489 long lastNodeCount=0;
490 int shiftKey, controlKey; // [HGM] set by mouse handler
492 int have_sent_ICS_logon = 0;
494 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
495 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
496 Boolean adjustedClock;
497 long timeControl_2; /* [AS] Allow separate time controls */
498 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
499 long timeRemaining[2][MAX_MOVES];
500 int matchGame = 0, nextGame = 0, roundNr = 0;
501 Boolean waitingForGame = FALSE, startingEngine = FALSE;
502 TimeMark programStartTime, pauseStart;
503 char ics_handle[MSG_SIZ];
504 int have_set_title = 0;
506 /* animateTraining preserves the state of appData.animate
507 * when Training mode is activated. This allows the
508 * response to be animated when appData.animate == TRUE and
509 * appData.animateDragging == TRUE.
511 Boolean animateTraining;
517 Board boards[MAX_MOVES];
518 /* [HGM] Following 7 needed for accurate legality tests: */
519 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
520 unsigned char initialRights[BOARD_FILES];
521 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
522 int initialRulePlies, FENrulePlies;
523 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
525 Boolean shuffleOpenings;
526 int mute; // mute all sounds
528 // [HGM] vari: next 12 to save and restore variations
529 #define MAX_VARIATIONS 10
530 int framePtr = MAX_MOVES-1; // points to free stack entry
532 int savedFirst[MAX_VARIATIONS];
533 int savedLast[MAX_VARIATIONS];
534 int savedFramePtr[MAX_VARIATIONS];
535 char *savedDetails[MAX_VARIATIONS];
536 ChessMove savedResult[MAX_VARIATIONS];
538 void PushTail P((int firstMove, int lastMove));
539 Boolean PopTail P((Boolean annotate));
540 void PushInner P((int firstMove, int lastMove));
541 void PopInner P((Boolean annotate));
542 void CleanupTail P((void));
544 ChessSquare FIDEArray[2][BOARD_FILES] = {
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
548 BlackKing, BlackBishop, BlackKnight, BlackRook }
551 ChessSquare twoKingsArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
553 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
555 BlackKing, BlackKing, BlackKnight, BlackRook }
558 ChessSquare KnightmateArray[2][BOARD_FILES] = {
559 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
560 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
561 { BlackRook, BlackMan, BlackBishop, BlackQueen,
562 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
565 ChessSquare SpartanArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
567 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackAlfil, BlackDragon, BlackKing, BlackTower,
569 BlackTower, BlackKing, BlackAngel, BlackAlfil }
572 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
576 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
579 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
580 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
581 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
583 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
586 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
587 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
588 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackMan, BlackFerz,
590 BlackKing, BlackMan, BlackKnight, BlackRook }
593 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
594 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
595 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackMan, BlackFerz,
597 BlackKing, BlackMan, BlackKnight, BlackRook }
600 ChessSquare lionArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
602 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackLion, BlackBishop, BlackQueen,
604 BlackKing, BlackBishop, BlackKnight, BlackRook }
608 #if (BOARD_FILES>=10)
609 ChessSquare ShogiArray[2][BOARD_FILES] = {
610 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
611 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
612 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
613 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
616 ChessSquare XiangqiArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
618 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
620 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
623 ChessSquare CapablancaArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
625 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
627 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
630 ChessSquare GreatArray[2][BOARD_FILES] = {
631 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
632 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
633 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
634 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
637 ChessSquare JanusArray[2][BOARD_FILES] = {
638 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
639 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
640 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
641 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
644 ChessSquare GrandArray[2][BOARD_FILES] = {
645 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
646 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
647 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
648 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
651 ChessSquare ChuChessArray[2][BOARD_FILES] = {
652 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
653 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
654 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
655 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
659 ChessSquare GothicArray[2][BOARD_FILES] = {
660 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
661 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
662 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
663 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
666 #define GothicArray CapablancaArray
670 ChessSquare FalconArray[2][BOARD_FILES] = {
671 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
672 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
673 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
674 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
677 #define FalconArray CapablancaArray
680 #else // !(BOARD_FILES>=10)
681 #define XiangqiPosition FIDEArray
682 #define CapablancaArray FIDEArray
683 #define GothicArray FIDEArray
684 #define GreatArray FIDEArray
685 #endif // !(BOARD_FILES>=10)
687 #if (BOARD_FILES>=12)
688 ChessSquare CourierArray[2][BOARD_FILES] = {
689 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
690 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
691 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
692 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
694 ChessSquare ChuArray[6][BOARD_FILES] = {
695 { WhiteLance, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
696 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
697 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
698 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
699 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
700 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
701 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
702 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
703 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
704 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
705 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
706 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
708 #else // !(BOARD_FILES>=12)
709 #define CourierArray CapablancaArray
710 #define ChuArray CapablancaArray
711 #endif // !(BOARD_FILES>=12)
714 Board initialPosition;
717 /* Convert str to a rating. Checks for special cases of "----",
719 "++++", etc. Also strips ()'s */
721 string_to_rating (char *str)
723 while(*str && !isdigit(*str)) ++str;
725 return 0; /* One of the special "no rating" cases */
733 /* Init programStats */
734 programStats.movelist[0] = 0;
735 programStats.depth = 0;
736 programStats.nr_moves = 0;
737 programStats.moves_left = 0;
738 programStats.nodes = 0;
739 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
740 programStats.score = 0;
741 programStats.got_only_move = 0;
742 programStats.got_fail = 0;
743 programStats.line_is_book = 0;
748 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
749 if (appData.firstPlaysBlack) {
750 first.twoMachinesColor = "black\n";
751 second.twoMachinesColor = "white\n";
753 first.twoMachinesColor = "white\n";
754 second.twoMachinesColor = "black\n";
757 first.other = &second;
758 second.other = &first;
761 if(appData.timeOddsMode) {
762 norm = appData.timeOdds[0];
763 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
765 first.timeOdds = appData.timeOdds[0]/norm;
766 second.timeOdds = appData.timeOdds[1]/norm;
769 if(programVersion) free(programVersion);
770 if (appData.noChessProgram) {
771 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
772 sprintf(programVersion, "%s", PACKAGE_STRING);
774 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
775 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
776 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
781 UnloadEngine (ChessProgramState *cps)
783 /* Kill off first chess program */
784 if (cps->isr != NULL)
785 RemoveInputSource(cps->isr);
788 if (cps->pr != NoProc) {
790 DoSleep( appData.delayBeforeQuit );
791 SendToProgram("quit\n", cps);
792 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
795 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
799 ClearOptions (ChessProgramState *cps)
802 cps->nrOptions = cps->comboCnt = 0;
803 for(i=0; i<MAX_OPTIONS; i++) {
804 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
805 cps->option[i].textValue = 0;
809 char *engineNames[] = {
810 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
811 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
813 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
814 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
819 InitEngine (ChessProgramState *cps, int n)
820 { // [HGM] all engine initialiation put in a function that does one engine
824 cps->which = engineNames[n];
825 cps->maybeThinking = FALSE;
829 cps->sendDrawOffers = 1;
831 cps->program = appData.chessProgram[n];
832 cps->host = appData.host[n];
833 cps->dir = appData.directory[n];
834 cps->initString = appData.engInitString[n];
835 cps->computerString = appData.computerString[n];
836 cps->useSigint = TRUE;
837 cps->useSigterm = TRUE;
838 cps->reuse = appData.reuse[n];
839 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
840 cps->useSetboard = FALSE;
842 cps->usePing = FALSE;
845 cps->usePlayother = FALSE;
846 cps->useColors = TRUE;
847 cps->useUsermove = FALSE;
848 cps->sendICS = FALSE;
849 cps->sendName = appData.icsActive;
850 cps->sdKludge = FALSE;
851 cps->stKludge = FALSE;
852 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
853 TidyProgramName(cps->program, cps->host, cps->tidy);
855 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
856 cps->analysisSupport = 2; /* detect */
857 cps->analyzing = FALSE;
858 cps->initDone = FALSE;
860 cps->pseudo = appData.pseudo[n];
862 /* New features added by Tord: */
863 cps->useFEN960 = FALSE;
864 cps->useOOCastle = TRUE;
865 /* End of new features added by Tord. */
866 cps->fenOverride = appData.fenOverride[n];
868 /* [HGM] time odds: set factor for each machine */
869 cps->timeOdds = appData.timeOdds[n];
871 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
872 cps->accumulateTC = appData.accumulateTC[n];
873 cps->maxNrOfSessions = 1;
878 cps->drawDepth = appData.drawDepth[n];
879 cps->supportsNPS = UNKNOWN;
880 cps->memSize = FALSE;
881 cps->maxCores = FALSE;
882 ASSIGN(cps->egtFormats, "");
885 cps->optionSettings = appData.engOptions[n];
887 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
888 cps->isUCI = appData.isUCI[n]; /* [AS] */
889 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
892 if (appData.protocolVersion[n] > PROTOVER
893 || appData.protocolVersion[n] < 1)
898 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
899 appData.protocolVersion[n]);
900 if( (len >= MSG_SIZ) && appData.debugMode )
901 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
903 DisplayFatalError(buf, 0, 2);
907 cps->protocolVersion = appData.protocolVersion[n];
910 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
911 ParseFeatures(appData.featureDefaults, cps);
914 ChessProgramState *savCps;
922 if(WaitForEngine(savCps, LoadEngine)) return;
923 CommonEngineInit(); // recalculate time odds
924 if(gameInfo.variant != StringToVariant(appData.variant)) {
925 // we changed variant when loading the engine; this forces us to reset
926 Reset(TRUE, savCps != &first);
927 oldMode = BeginningOfGame; // to prevent restoring old mode
929 InitChessProgram(savCps, FALSE);
930 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
931 DisplayMessage("", "");
932 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
933 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
936 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
940 ReplaceEngine (ChessProgramState *cps, int n)
942 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
944 if(oldMode != BeginningOfGame) EditGameEvent();
947 appData.noChessProgram = FALSE;
948 appData.clockMode = TRUE;
951 if(n) return; // only startup first engine immediately; second can wait
952 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
956 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
957 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
959 static char resetOptions[] =
960 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
961 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
962 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
963 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
966 FloatToFront(char **list, char *engineLine)
968 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
970 if(appData.recentEngines <= 0) return;
971 TidyProgramName(engineLine, "localhost", tidy+1);
972 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
973 strncpy(buf+1, *list, MSG_SIZ-50);
974 if(p = strstr(buf, tidy)) { // tidy name appears in list
975 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
976 while(*p++ = *++q); // squeeze out
978 strcat(tidy, buf+1); // put list behind tidy name
979 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
980 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
981 ASSIGN(*list, tidy+1);
984 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
987 Load (ChessProgramState *cps, int i)
989 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
990 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
991 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
992 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
993 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
994 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
995 appData.firstProtocolVersion = PROTOVER;
996 ParseArgsFromString(buf);
998 ReplaceEngine(cps, i);
999 FloatToFront(&appData.recentEngineList, engineLine);
1000 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1004 while(q = strchr(p, SLASH)) p = q+1;
1005 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1006 if(engineDir[0] != NULLCHAR) {
1007 ASSIGN(appData.directory[i], engineDir); p = engineName;
1008 } else if(p != engineName) { // derive directory from engine path, when not given
1010 ASSIGN(appData.directory[i], engineName);
1012 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1013 } else { ASSIGN(appData.directory[i], "."); }
1014 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1016 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1017 snprintf(command, MSG_SIZ, "%s %s", p, params);
1020 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1021 ASSIGN(appData.chessProgram[i], p);
1022 appData.isUCI[i] = isUCI;
1023 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1024 appData.hasOwnBookUCI[i] = hasBook;
1025 if(!nickName[0]) useNick = FALSE;
1026 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1030 q = firstChessProgramNames;
1031 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1032 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1033 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1034 quote, p, quote, appData.directory[i],
1035 useNick ? " -fn \"" : "",
1036 useNick ? nickName : "",
1037 useNick ? "\"" : "",
1038 v1 ? " -firstProtocolVersion 1" : "",
1039 hasBook ? "" : " -fNoOwnBookUCI",
1040 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1041 storeVariant ? " -variant " : "",
1042 storeVariant ? VariantName(gameInfo.variant) : "");
1043 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1044 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1045 if(insert != q) insert[-1] = NULLCHAR;
1046 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1048 FloatToFront(&appData.recentEngineList, buf);
1050 ReplaceEngine(cps, i);
1056 int matched, min, sec;
1058 * Parse timeControl resource
1060 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1061 appData.movesPerSession)) {
1063 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1064 DisplayFatalError(buf, 0, 2);
1068 * Parse searchTime resource
1070 if (*appData.searchTime != NULLCHAR) {
1071 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1073 searchTime = min * 60;
1074 } else if (matched == 2) {
1075 searchTime = min * 60 + sec;
1078 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1079 DisplayFatalError(buf, 0, 2);
1088 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1089 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1091 GetTimeMark(&programStartTime);
1092 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1093 appData.seedBase = random() + (random()<<15);
1094 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1096 ClearProgramStats();
1097 programStats.ok_to_send = 1;
1098 programStats.seen_stat = 0;
1101 * Initialize game list
1107 * Internet chess server status
1109 if (appData.icsActive) {
1110 appData.matchMode = FALSE;
1111 appData.matchGames = 0;
1113 appData.noChessProgram = !appData.zippyPlay;
1115 appData.zippyPlay = FALSE;
1116 appData.zippyTalk = FALSE;
1117 appData.noChessProgram = TRUE;
1119 if (*appData.icsHelper != NULLCHAR) {
1120 appData.useTelnet = TRUE;
1121 appData.telnetProgram = appData.icsHelper;
1124 appData.zippyTalk = appData.zippyPlay = FALSE;
1127 /* [AS] Initialize pv info list [HGM] and game state */
1131 for( i=0; i<=framePtr; i++ ) {
1132 pvInfoList[i].depth = -1;
1133 boards[i][EP_STATUS] = EP_NONE;
1134 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1140 /* [AS] Adjudication threshold */
1141 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1143 InitEngine(&first, 0);
1144 InitEngine(&second, 1);
1147 pairing.which = "pairing"; // pairing engine
1148 pairing.pr = NoProc;
1150 pairing.program = appData.pairingEngine;
1151 pairing.host = "localhost";
1154 if (appData.icsActive) {
1155 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1156 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1157 appData.clockMode = FALSE;
1158 first.sendTime = second.sendTime = 0;
1162 /* Override some settings from environment variables, for backward
1163 compatibility. Unfortunately it's not feasible to have the env
1164 vars just set defaults, at least in xboard. Ugh.
1166 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1171 if (!appData.icsActive) {
1175 /* Check for variants that are supported only in ICS mode,
1176 or not at all. Some that are accepted here nevertheless
1177 have bugs; see comments below.
1179 VariantClass variant = StringToVariant(appData.variant);
1181 case VariantBughouse: /* need four players and two boards */
1182 case VariantKriegspiel: /* need to hide pieces and move details */
1183 /* case VariantFischeRandom: (Fabien: moved below) */
1184 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1185 if( (len >= MSG_SIZ) && appData.debugMode )
1186 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1188 DisplayFatalError(buf, 0, 2);
1191 case VariantUnknown:
1192 case VariantLoadable:
1202 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1203 if( (len >= MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1206 DisplayFatalError(buf, 0, 2);
1209 case VariantNormal: /* definitely works! */
1210 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1211 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1214 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1215 case VariantFairy: /* [HGM] TestLegality definitely off! */
1216 case VariantGothic: /* [HGM] should work */
1217 case VariantCapablanca: /* [HGM] should work */
1218 case VariantCourier: /* [HGM] initial forced moves not implemented */
1219 case VariantShogi: /* [HGM] could still mate with pawn drop */
1220 case VariantChu: /* [HGM] experimental */
1221 case VariantKnightmate: /* [HGM] should work */
1222 case VariantCylinder: /* [HGM] untested */
1223 case VariantFalcon: /* [HGM] untested */
1224 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1225 offboard interposition not understood */
1226 case VariantWildCastle: /* pieces not automatically shuffled */
1227 case VariantNoCastle: /* pieces not automatically shuffled */
1228 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1229 case VariantLosers: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantSuicide: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantGiveaway: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantTwoKings: /* should work */
1236 case VariantAtomic: /* should work except for win condition */
1237 case Variant3Check: /* should work except for win condition */
1238 case VariantShatranj: /* should work except for all win conditions */
1239 case VariantMakruk: /* should work except for draw countdown */
1240 case VariantASEAN : /* should work except for draw countdown */
1241 case VariantBerolina: /* might work if TestLegality is off */
1242 case VariantCapaRandom: /* should work */
1243 case VariantJanus: /* should work */
1244 case VariantSuper: /* experimental */
1245 case VariantGreat: /* experimental, requires legality testing to be off */
1246 case VariantSChess: /* S-Chess, should work */
1247 case VariantGrand: /* should work */
1248 case VariantSpartan: /* should work */
1249 case VariantLion: /* should work */
1250 case VariantChuChess: /* should work */
1258 NextIntegerFromString (char ** str, long * value)
1263 while( *s == ' ' || *s == '\t' ) {
1269 if( *s >= '0' && *s <= '9' ) {
1270 while( *s >= '0' && *s <= '9' ) {
1271 *value = *value * 10 + (*s - '0');
1284 NextTimeControlFromString (char ** str, long * value)
1287 int result = NextIntegerFromString( str, &temp );
1290 *value = temp * 60; /* Minutes */
1291 if( **str == ':' ) {
1293 result = NextIntegerFromString( str, &temp );
1294 *value += temp; /* Seconds */
1302 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1303 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1304 int result = -1, type = 0; long temp, temp2;
1306 if(**str != ':') return -1; // old params remain in force!
1308 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1309 if( NextIntegerFromString( str, &temp ) ) return -1;
1310 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1313 /* time only: incremental or sudden-death time control */
1314 if(**str == '+') { /* increment follows; read it */
1316 if(**str == '!') type = *(*str)++; // Bronstein TC
1317 if(result = NextIntegerFromString( str, &temp2)) return -1;
1318 *inc = temp2 * 1000;
1319 if(**str == '.') { // read fraction of increment
1320 char *start = ++(*str);
1321 if(result = NextIntegerFromString( str, &temp2)) return -1;
1323 while(start++ < *str) temp2 /= 10;
1327 *moves = 0; *tc = temp * 1000; *incType = type;
1331 (*str)++; /* classical time control */
1332 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1344 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1345 { /* [HGM] get time to add from the multi-session time-control string */
1346 int incType, moves=1; /* kludge to force reading of first session */
1347 long time, increment;
1350 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1352 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1353 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1354 if(movenr == -1) return time; /* last move before new session */
1355 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1356 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1357 if(!moves) return increment; /* current session is incremental */
1358 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1359 } while(movenr >= -1); /* try again for next session */
1361 return 0; // no new time quota on this move
1365 ParseTimeControl (char *tc, float ti, int mps)
1369 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1372 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1373 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1374 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1378 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1380 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1383 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1385 snprintf(buf, MSG_SIZ, ":%s", mytc);
1387 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1389 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1394 /* Parse second time control */
1397 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1405 timeControl_2 = tc2 * 1000;
1415 timeControl = tc1 * 1000;
1418 timeIncrement = ti * 1000; /* convert to ms */
1419 movesPerSession = 0;
1422 movesPerSession = mps;
1430 if (appData.debugMode) {
1431 # ifdef __GIT_VERSION
1432 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1434 fprintf(debugFP, "Version: %s\n", programVersion);
1437 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1439 set_cont_sequence(appData.wrapContSeq);
1440 if (appData.matchGames > 0) {
1441 appData.matchMode = TRUE;
1442 } else if (appData.matchMode) {
1443 appData.matchGames = 1;
1445 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1446 appData.matchGames = appData.sameColorGames;
1447 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1448 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1449 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1452 if (appData.noChessProgram || first.protocolVersion == 1) {
1455 /* kludge: allow timeout for initial "feature" commands */
1457 DisplayMessage("", _("Starting chess program"));
1458 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1463 CalculateIndex (int index, int gameNr)
1464 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1466 if(index > 0) return index; // fixed nmber
1467 if(index == 0) return 1;
1468 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1469 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1474 LoadGameOrPosition (int gameNr)
1475 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1476 if (*appData.loadGameFile != NULLCHAR) {
1477 if (!LoadGameFromFile(appData.loadGameFile,
1478 CalculateIndex(appData.loadGameIndex, gameNr),
1479 appData.loadGameFile, FALSE)) {
1480 DisplayFatalError(_("Bad game file"), 0, 1);
1483 } else if (*appData.loadPositionFile != NULLCHAR) {
1484 if (!LoadPositionFromFile(appData.loadPositionFile,
1485 CalculateIndex(appData.loadPositionIndex, gameNr),
1486 appData.loadPositionFile)) {
1487 DisplayFatalError(_("Bad position file"), 0, 1);
1495 ReserveGame (int gameNr, char resChar)
1497 FILE *tf = fopen(appData.tourneyFile, "r+");
1498 char *p, *q, c, buf[MSG_SIZ];
1499 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1500 safeStrCpy(buf, lastMsg, MSG_SIZ);
1501 DisplayMessage(_("Pick new game"), "");
1502 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1503 ParseArgsFromFile(tf);
1504 p = q = appData.results;
1505 if(appData.debugMode) {
1506 char *r = appData.participants;
1507 fprintf(debugFP, "results = '%s'\n", p);
1508 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1509 fprintf(debugFP, "\n");
1511 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1513 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1514 safeStrCpy(q, p, strlen(p) + 2);
1515 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1516 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1517 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1518 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1521 fseek(tf, -(strlen(p)+4), SEEK_END);
1523 if(c != '"') // depending on DOS or Unix line endings we can be one off
1524 fseek(tf, -(strlen(p)+2), SEEK_END);
1525 else fseek(tf, -(strlen(p)+3), SEEK_END);
1526 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1527 DisplayMessage(buf, "");
1528 free(p); appData.results = q;
1529 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1530 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1531 int round = appData.defaultMatchGames * appData.tourneyType;
1532 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1533 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1534 UnloadEngine(&first); // next game belongs to other pairing;
1535 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1537 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1541 MatchEvent (int mode)
1542 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1544 if(matchMode) { // already in match mode: switch it off
1546 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1549 // if(gameMode != BeginningOfGame) {
1550 // DisplayError(_("You can only start a match from the initial position."), 0);
1554 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1555 /* Set up machine vs. machine match */
1557 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1558 if(appData.tourneyFile[0]) {
1560 if(nextGame > appData.matchGames) {
1562 if(strchr(appData.results, '*') == NULL) {
1564 appData.tourneyCycles++;
1565 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1567 NextTourneyGame(-1, &dummy);
1569 if(nextGame <= appData.matchGames) {
1570 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1572 ScheduleDelayedEvent(NextMatchGame, 10000);
1577 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1578 DisplayError(buf, 0);
1579 appData.tourneyFile[0] = 0;
1583 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1584 DisplayFatalError(_("Can't have a match with no chess programs"),
1589 matchGame = roundNr = 1;
1590 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1594 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 ParseFeatures(appData.features[0], &first);
1604 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1605 !strcmp(appData.variant, "normal") && // no explicit variant request
1606 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1607 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1608 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1609 char c, *q = first.variants, *p = strchr(q, ',');
1610 if(p) *p = NULLCHAR;
1611 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1613 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1614 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1615 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1616 Reset(TRUE, FALSE); // and re-initialize
1621 InitChessProgram(&first, startedFromSetupPosition);
1623 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1624 free(programVersion);
1625 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1626 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1627 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1630 if (appData.icsActive) {
1632 /* [DM] Make a console window if needed [HGM] merged ifs */
1638 if (*appData.icsCommPort != NULLCHAR)
1639 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1640 appData.icsCommPort);
1642 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1643 appData.icsHost, appData.icsPort);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, err, 1);
1653 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1655 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1656 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1657 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1658 } else if (appData.noChessProgram) {
1664 if (*appData.cmailGameName != NULLCHAR) {
1666 OpenLoopback(&cmailPR);
1668 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1672 DisplayMessage("", "");
1673 if (StrCaseCmp(appData.initialMode, "") == 0) {
1674 initialMode = BeginningOfGame;
1675 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1676 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1677 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1678 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1681 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1682 initialMode = TwoMachinesPlay;
1683 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1684 initialMode = AnalyzeFile;
1685 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1686 initialMode = AnalyzeMode;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1688 initialMode = MachinePlaysWhite;
1689 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1690 initialMode = MachinePlaysBlack;
1691 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1692 initialMode = EditGame;
1693 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1694 initialMode = EditPosition;
1695 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1696 initialMode = Training;
1698 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1699 if( (len >= MSG_SIZ) && appData.debugMode )
1700 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1702 DisplayFatalError(buf, 0, 2);
1706 if (appData.matchMode) {
1707 if(appData.tourneyFile[0]) { // start tourney from command line
1709 if(f = fopen(appData.tourneyFile, "r")) {
1710 ParseArgsFromFile(f); // make sure tourney parmeters re known
1712 appData.clockMode = TRUE;
1714 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1717 } else if (*appData.cmailGameName != NULLCHAR) {
1718 /* Set up cmail mode */
1719 ReloadCmailMsgEvent(TRUE);
1721 /* Set up other modes */
1722 if (initialMode == AnalyzeFile) {
1723 if (*appData.loadGameFile == NULLCHAR) {
1724 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1728 if (*appData.loadGameFile != NULLCHAR) {
1729 (void) LoadGameFromFile(appData.loadGameFile,
1730 appData.loadGameIndex,
1731 appData.loadGameFile, TRUE);
1732 } else if (*appData.loadPositionFile != NULLCHAR) {
1733 (void) LoadPositionFromFile(appData.loadPositionFile,
1734 appData.loadPositionIndex,
1735 appData.loadPositionFile);
1736 /* [HGM] try to make self-starting even after FEN load */
1737 /* to allow automatic setup of fairy variants with wtm */
1738 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1739 gameMode = BeginningOfGame;
1740 setboardSpoiledMachineBlack = 1;
1742 /* [HGM] loadPos: make that every new game uses the setup */
1743 /* from file as long as we do not switch variant */
1744 if(!blackPlaysFirst) {
1745 startedFromPositionFile = TRUE;
1746 CopyBoard(filePosition, boards[0]);
1747 CopyBoard(initialPosition, boards[0]);
1749 } else if(*appData.fen != NULLCHAR) {
1750 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1751 startedFromPositionFile = TRUE;
1755 if (initialMode == AnalyzeMode) {
1756 if (appData.noChessProgram) {
1757 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1765 } else if (initialMode == AnalyzeFile) {
1766 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1767 ShowThinkingEvent();
1769 AnalysisPeriodicEvent(1);
1770 } else if (initialMode == MachinePlaysWhite) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1781 MachineWhiteEvent();
1782 } else if (initialMode == MachinePlaysBlack) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1793 MachineBlackEvent();
1794 } else if (initialMode == TwoMachinesPlay) {
1795 if (appData.noChessProgram) {
1796 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1800 if (appData.icsActive) {
1801 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1806 } else if (initialMode == EditGame) {
1808 } else if (initialMode == EditPosition) {
1809 EditPositionEvent();
1810 } else if (initialMode == Training) {
1811 if (*appData.loadGameFile == NULLCHAR) {
1812 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1821 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1823 DisplayBook(current+1);
1825 MoveHistorySet( movelist, first, last, current, pvInfoList );
1827 EvalGraphSet( first, last, current, pvInfoList );
1829 MakeEngineOutputTitle();
1833 * Establish will establish a contact to a remote host.port.
1834 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1835 * used to talk to the host.
1836 * Returns 0 if okay, error code if not.
1843 if (*appData.icsCommPort != NULLCHAR) {
1844 /* Talk to the host through a serial comm port */
1845 return OpenCommPort(appData.icsCommPort, &icsPR);
1847 } else if (*appData.gateway != NULLCHAR) {
1848 if (*appData.remoteShell == NULLCHAR) {
1849 /* Use the rcmd protocol to run telnet program on a gateway host */
1850 snprintf(buf, sizeof(buf), "%s %s %s",
1851 appData.telnetProgram, appData.icsHost, appData.icsPort);
1852 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1855 /* Use the rsh program to run telnet program on a gateway host */
1856 if (*appData.remoteUser == NULLCHAR) {
1857 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1858 appData.gateway, appData.telnetProgram,
1859 appData.icsHost, appData.icsPort);
1861 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1862 appData.remoteShell, appData.gateway,
1863 appData.remoteUser, appData.telnetProgram,
1864 appData.icsHost, appData.icsPort);
1866 return StartChildProcess(buf, "", &icsPR);
1869 } else if (appData.useTelnet) {
1870 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1873 /* TCP socket interface differs somewhat between
1874 Unix and NT; handle details in the front end.
1876 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1881 EscapeExpand (char *p, char *q)
1882 { // [HGM] initstring: routine to shape up string arguments
1883 while(*p++ = *q++) if(p[-1] == '\\')
1885 case 'n': p[-1] = '\n'; break;
1886 case 'r': p[-1] = '\r'; break;
1887 case 't': p[-1] = '\t'; break;
1888 case '\\': p[-1] = '\\'; break;
1889 case 0: *p = 0; return;
1890 default: p[-1] = q[-1]; break;
1895 show_bytes (FILE *fp, char *buf, int count)
1898 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1899 fprintf(fp, "\\%03o", *buf & 0xff);
1908 /* Returns an errno value */
1910 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1912 char buf[8192], *p, *q, *buflim;
1913 int left, newcount, outcount;
1915 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1916 *appData.gateway != NULLCHAR) {
1917 if (appData.debugMode) {
1918 fprintf(debugFP, ">ICS: ");
1919 show_bytes(debugFP, message, count);
1920 fprintf(debugFP, "\n");
1922 return OutputToProcess(pr, message, count, outError);
1925 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1932 if (appData.debugMode) {
1933 fprintf(debugFP, ">ICS: ");
1934 show_bytes(debugFP, buf, newcount);
1935 fprintf(debugFP, "\n");
1937 outcount = OutputToProcess(pr, buf, newcount, outError);
1938 if (outcount < newcount) return -1; /* to be sure */
1945 } else if (((unsigned char) *p) == TN_IAC) {
1946 *q++ = (char) TN_IAC;
1953 if (appData.debugMode) {
1954 fprintf(debugFP, ">ICS: ");
1955 show_bytes(debugFP, buf, newcount);
1956 fprintf(debugFP, "\n");
1958 outcount = OutputToProcess(pr, buf, newcount, outError);
1959 if (outcount < newcount) return -1; /* to be sure */
1964 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1966 int outError, outCount;
1967 static int gotEof = 0;
1970 /* Pass data read from player on to ICS */
1973 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1974 if (outCount < count) {
1975 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1977 if(have_sent_ICS_logon == 2) {
1978 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1979 fprintf(ini, "%s", message);
1980 have_sent_ICS_logon = 3;
1982 have_sent_ICS_logon = 1;
1983 } else if(have_sent_ICS_logon == 3) {
1984 fprintf(ini, "%s", message);
1986 have_sent_ICS_logon = 1;
1988 } else if (count < 0) {
1989 RemoveInputSource(isr);
1990 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1991 } else if (gotEof++ > 0) {
1992 RemoveInputSource(isr);
1993 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1999 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
2000 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2001 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2002 SendToICS("date\n");
2003 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2006 /* added routine for printf style output to ics */
2008 ics_printf (char *format, ...)
2010 char buffer[MSG_SIZ];
2013 va_start(args, format);
2014 vsnprintf(buffer, sizeof(buffer), format, args);
2015 buffer[sizeof(buffer)-1] = '\0';
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2034 /* This is used for sending logon scripts to the ICS. Sending
2035 without a delay causes problems when using timestamp on ICC
2036 (at least on my machine). */
2038 SendToICSDelayed (char *s, long msdelay)
2040 int count, outCount, outError;
2042 if (icsPR == NoProc) return;
2045 if (appData.debugMode) {
2046 fprintf(debugFP, ">ICS: ");
2047 show_bytes(debugFP, s, count);
2048 fprintf(debugFP, "\n");
2050 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2052 if (outCount < count) {
2053 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2058 /* Remove all highlighting escape sequences in s
2059 Also deletes any suffix starting with '('
2062 StripHighlightAndTitle (char *s)
2064 static char retbuf[MSG_SIZ];
2067 while (*s != NULLCHAR) {
2068 while (*s == '\033') {
2069 while (*s != NULLCHAR && !isalpha(*s)) s++;
2070 if (*s != NULLCHAR) s++;
2072 while (*s != NULLCHAR && *s != '\033') {
2073 if (*s == '(' || *s == '[') {
2084 /* Remove all highlighting escape sequences in s */
2086 StripHighlight (char *s)
2088 static char retbuf[MSG_SIZ];
2091 while (*s != NULLCHAR) {
2092 while (*s == '\033') {
2093 while (*s != NULLCHAR && !isalpha(*s)) s++;
2094 if (*s != NULLCHAR) s++;
2096 while (*s != NULLCHAR && *s != '\033') {
2104 char engineVariant[MSG_SIZ];
2105 char *variantNames[] = VARIANT_NAMES;
2107 VariantName (VariantClass v)
2109 if(v == VariantUnknown || *engineVariant) return engineVariant;
2110 return variantNames[v];
2114 /* Identify a variant from the strings the chess servers use or the
2115 PGN Variant tag names we use. */
2117 StringToVariant (char *e)
2121 VariantClass v = VariantNormal;
2122 int i, found = FALSE;
2123 char buf[MSG_SIZ], c;
2128 /* [HGM] skip over optional board-size prefixes */
2129 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2130 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2131 while( *e++ != '_');
2134 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2138 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2139 if (p = StrCaseStr(e, variantNames[i])) {
2140 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2141 v = (VariantClass) i;
2148 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2149 || StrCaseStr(e, "wild/fr")
2150 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2151 v = VariantFischeRandom;
2152 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2153 (i = 1, p = StrCaseStr(e, "w"))) {
2155 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2162 case 0: /* FICS only, actually */
2164 /* Castling legal even if K starts on d-file */
2165 v = VariantWildCastle;
2170 /* Castling illegal even if K & R happen to start in
2171 normal positions. */
2172 v = VariantNoCastle;
2185 /* Castling legal iff K & R start in normal positions */
2191 /* Special wilds for position setup; unclear what to do here */
2192 v = VariantLoadable;
2195 /* Bizarre ICC game */
2196 v = VariantTwoKings;
2199 v = VariantKriegspiel;
2205 v = VariantFischeRandom;
2208 v = VariantCrazyhouse;
2211 v = VariantBughouse;
2217 /* Not quite the same as FICS suicide! */
2218 v = VariantGiveaway;
2224 v = VariantShatranj;
2227 /* Temporary names for future ICC types. The name *will* change in
2228 the next xboard/WinBoard release after ICC defines it. */
2266 v = VariantCapablanca;
2269 v = VariantKnightmate;
2275 v = VariantCylinder;
2281 v = VariantCapaRandom;
2284 v = VariantBerolina;
2296 /* Found "wild" or "w" in the string but no number;
2297 must assume it's normal chess. */
2301 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2302 if( (len >= MSG_SIZ) && appData.debugMode )
2303 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2305 DisplayError(buf, 0);
2311 if (appData.debugMode) {
2312 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2313 e, wnum, VariantName(v));
2318 static int leftover_start = 0, leftover_len = 0;
2319 char star_match[STAR_MATCH_N][MSG_SIZ];
2321 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2322 advance *index beyond it, and set leftover_start to the new value of
2323 *index; else return FALSE. If pattern contains the character '*', it
2324 matches any sequence of characters not containing '\r', '\n', or the
2325 character following the '*' (if any), and the matched sequence(s) are
2326 copied into star_match.
2329 looking_at ( char *buf, int *index, char *pattern)
2331 char *bufp = &buf[*index], *patternp = pattern;
2333 char *matchp = star_match[0];
2336 if (*patternp == NULLCHAR) {
2337 *index = leftover_start = bufp - buf;
2341 if (*bufp == NULLCHAR) return FALSE;
2342 if (*patternp == '*') {
2343 if (*bufp == *(patternp + 1)) {
2345 matchp = star_match[++star_count];
2349 } else if (*bufp == '\n' || *bufp == '\r') {
2351 if (*patternp == NULLCHAR)
2356 *matchp++ = *bufp++;
2360 if (*patternp != *bufp) return FALSE;
2367 SendToPlayer (char *data, int length)
2369 int error, outCount;
2370 outCount = OutputToProcess(NoProc, data, length, &error);
2371 if (outCount < length) {
2372 DisplayFatalError(_("Error writing to display"), error, 1);
2377 PackHolding (char packed[], char *holding)
2387 switch (runlength) {
2398 sprintf(q, "%d", runlength);
2410 /* Telnet protocol requests from the front end */
2412 TelnetRequest (unsigned char ddww, unsigned char option)
2414 unsigned char msg[3];
2415 int outCount, outError;
2417 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2419 if (appData.debugMode) {
2420 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2436 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2445 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2448 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2453 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2455 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2462 if (!appData.icsActive) return;
2463 TelnetRequest(TN_DO, TN_ECHO);
2469 if (!appData.icsActive) return;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2474 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2476 /* put the holdings sent to us by the server on the board holdings area */
2477 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2481 if(gameInfo.holdingsWidth < 2) return;
2482 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2483 return; // prevent overwriting by pre-board holdings
2485 if( (int)lowestPiece >= BlackPawn ) {
2488 holdingsStartRow = BOARD_HEIGHT-1;
2491 holdingsColumn = BOARD_WIDTH-1;
2492 countsColumn = BOARD_WIDTH-2;
2493 holdingsStartRow = 0;
2497 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2498 board[i][holdingsColumn] = EmptySquare;
2499 board[i][countsColumn] = (ChessSquare) 0;
2501 while( (p=*holdings++) != NULLCHAR ) {
2502 piece = CharToPiece( ToUpper(p) );
2503 if(piece == EmptySquare) continue;
2504 /*j = (int) piece - (int) WhitePawn;*/
2505 j = PieceToNumber(piece);
2506 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2507 if(j < 0) continue; /* should not happen */
2508 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2509 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2510 board[holdingsStartRow+j*direction][countsColumn]++;
2516 VariantSwitch (Board board, VariantClass newVariant)
2518 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2519 static Board oldBoard;
2521 startedFromPositionFile = FALSE;
2522 if(gameInfo.variant == newVariant) return;
2524 /* [HGM] This routine is called each time an assignment is made to
2525 * gameInfo.variant during a game, to make sure the board sizes
2526 * are set to match the new variant. If that means adding or deleting
2527 * holdings, we shift the playing board accordingly
2528 * This kludge is needed because in ICS observe mode, we get boards
2529 * of an ongoing game without knowing the variant, and learn about the
2530 * latter only later. This can be because of the move list we requested,
2531 * in which case the game history is refilled from the beginning anyway,
2532 * but also when receiving holdings of a crazyhouse game. In the latter
2533 * case we want to add those holdings to the already received position.
2537 if (appData.debugMode) {
2538 fprintf(debugFP, "Switch board from %s to %s\n",
2539 VariantName(gameInfo.variant), VariantName(newVariant));
2540 setbuf(debugFP, NULL);
2542 shuffleOpenings = 0; /* [HGM] shuffle */
2543 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2547 newWidth = 9; newHeight = 9;
2548 gameInfo.holdingsSize = 7;
2549 case VariantBughouse:
2550 case VariantCrazyhouse:
2551 newHoldingsWidth = 2; break;
2555 newHoldingsWidth = 2;
2556 gameInfo.holdingsSize = 8;
2559 case VariantCapablanca:
2560 case VariantCapaRandom:
2563 newHoldingsWidth = gameInfo.holdingsSize = 0;
2566 if(newWidth != gameInfo.boardWidth ||
2567 newHeight != gameInfo.boardHeight ||
2568 newHoldingsWidth != gameInfo.holdingsWidth ) {
2570 /* shift position to new playing area, if needed */
2571 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 for(i=0; i<newHeight; i++) {
2577 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2578 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2580 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2581 for(i=0; i<BOARD_HEIGHT; i++)
2582 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2583 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2586 board[HOLDINGS_SET] = 0;
2587 gameInfo.boardWidth = newWidth;
2588 gameInfo.boardHeight = newHeight;
2589 gameInfo.holdingsWidth = newHoldingsWidth;
2590 gameInfo.variant = newVariant;
2591 InitDrawingSizes(-2, 0);
2592 } else gameInfo.variant = newVariant;
2593 CopyBoard(oldBoard, board); // remember correctly formatted board
2594 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2595 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2598 static int loggedOn = FALSE;
2600 /*-- Game start info cache: --*/
2602 char gs_kind[MSG_SIZ];
2603 static char player1Name[128] = "";
2604 static char player2Name[128] = "";
2605 static char cont_seq[] = "\n\\ ";
2606 static int player1Rating = -1;
2607 static int player2Rating = -1;
2608 /*----------------------------*/
2610 ColorClass curColor = ColorNormal;
2611 int suppressKibitz = 0;
2614 Boolean soughtPending = FALSE;
2615 Boolean seekGraphUp;
2616 #define MAX_SEEK_ADS 200
2618 char *seekAdList[MAX_SEEK_ADS];
2619 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2620 float tcList[MAX_SEEK_ADS];
2621 char colorList[MAX_SEEK_ADS];
2622 int nrOfSeekAds = 0;
2623 int minRating = 1010, maxRating = 2800;
2624 int hMargin = 10, vMargin = 20, h, w;
2625 extern int squareSize, lineGap;
2630 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2631 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2632 if(r < minRating+100 && r >=0 ) r = minRating+100;
2633 if(r > maxRating) r = maxRating;
2634 if(tc < 1.f) tc = 1.f;
2635 if(tc > 95.f) tc = 95.f;
2636 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2637 y = ((double)r - minRating)/(maxRating - minRating)
2638 * (h-vMargin-squareSize/8-1) + vMargin;
2639 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2640 if(strstr(seekAdList[i], " u ")) color = 1;
2641 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2642 !strstr(seekAdList[i], "bullet") &&
2643 !strstr(seekAdList[i], "blitz") &&
2644 !strstr(seekAdList[i], "standard") ) color = 2;
2645 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2646 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2650 PlotSingleSeekAd (int i)
2656 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2658 char buf[MSG_SIZ], *ext = "";
2659 VariantClass v = StringToVariant(type);
2660 if(strstr(type, "wild")) {
2661 ext = type + 4; // append wild number
2662 if(v == VariantFischeRandom) type = "chess960"; else
2663 if(v == VariantLoadable) type = "setup"; else
2664 type = VariantName(v);
2666 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2667 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2668 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2669 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2670 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2671 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2672 seekNrList[nrOfSeekAds] = nr;
2673 zList[nrOfSeekAds] = 0;
2674 seekAdList[nrOfSeekAds++] = StrSave(buf);
2675 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2680 EraseSeekDot (int i)
2682 int x = xList[i], y = yList[i], d=squareSize/4, k;
2683 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2684 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2685 // now replot every dot that overlapped
2686 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2687 int xx = xList[k], yy = yList[k];
2688 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2689 DrawSeekDot(xx, yy, colorList[k]);
2694 RemoveSeekAd (int nr)
2697 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2699 if(seekAdList[i]) free(seekAdList[i]);
2700 seekAdList[i] = seekAdList[--nrOfSeekAds];
2701 seekNrList[i] = seekNrList[nrOfSeekAds];
2702 ratingList[i] = ratingList[nrOfSeekAds];
2703 colorList[i] = colorList[nrOfSeekAds];
2704 tcList[i] = tcList[nrOfSeekAds];
2705 xList[i] = xList[nrOfSeekAds];
2706 yList[i] = yList[nrOfSeekAds];
2707 zList[i] = zList[nrOfSeekAds];
2708 seekAdList[nrOfSeekAds] = NULL;
2714 MatchSoughtLine (char *line)
2716 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2717 int nr, base, inc, u=0; char dummy;
2719 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2720 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2722 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2723 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2724 // match: compact and save the line
2725 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2735 if(!seekGraphUp) return FALSE;
2736 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2737 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2739 DrawSeekBackground(0, 0, w, h);
2740 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2741 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2742 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2743 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2745 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2752 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2753 for(i=1; i<100; i+=(i<10?1:5)) {
2754 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2755 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2756 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2758 snprintf(buf, MSG_SIZ, "%d", i);
2759 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2762 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2767 SeekGraphClick (ClickType click, int x, int y, int moving)
2769 static int lastDown = 0, displayed = 0, lastSecond;
2770 if(y < 0) return FALSE;
2771 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2772 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2773 if(!seekGraphUp) return FALSE;
2774 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2775 DrawPosition(TRUE, NULL);
2778 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2779 if(click == Release || moving) return FALSE;
2781 soughtPending = TRUE;
2782 SendToICS(ics_prefix);
2783 SendToICS("sought\n"); // should this be "sought all"?
2784 } else { // issue challenge based on clicked ad
2785 int dist = 10000; int i, closest = 0, second = 0;
2786 for(i=0; i<nrOfSeekAds; i++) {
2787 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2788 if(d < dist) { dist = d; closest = i; }
2789 second += (d - zList[i] < 120); // count in-range ads
2790 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2794 second = (second > 1);
2795 if(displayed != closest || second != lastSecond) {
2796 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2797 lastSecond = second; displayed = closest;
2799 if(click == Press) {
2800 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2803 } // on press 'hit', only show info
2804 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2805 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2806 SendToICS(ics_prefix);
2808 return TRUE; // let incoming board of started game pop down the graph
2809 } else if(click == Release) { // release 'miss' is ignored
2810 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2811 if(moving == 2) { // right up-click
2812 nrOfSeekAds = 0; // refresh graph
2813 soughtPending = TRUE;
2814 SendToICS(ics_prefix);
2815 SendToICS("sought\n"); // should this be "sought all"?
2818 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2819 // press miss or release hit 'pop down' seek graph
2820 seekGraphUp = FALSE;
2821 DrawPosition(TRUE, NULL);
2827 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2829 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2830 #define STARTED_NONE 0
2831 #define STARTED_MOVES 1
2832 #define STARTED_BOARD 2
2833 #define STARTED_OBSERVE 3
2834 #define STARTED_HOLDINGS 4
2835 #define STARTED_CHATTER 5
2836 #define STARTED_COMMENT 6
2837 #define STARTED_MOVES_NOHIDE 7
2839 static int started = STARTED_NONE;
2840 static char parse[20000];
2841 static int parse_pos = 0;
2842 static char buf[BUF_SIZE + 1];
2843 static int firstTime = TRUE, intfSet = FALSE;
2844 static ColorClass prevColor = ColorNormal;
2845 static int savingComment = FALSE;
2846 static int cmatch = 0; // continuation sequence match
2853 int backup; /* [DM] For zippy color lines */
2855 char talker[MSG_SIZ]; // [HGM] chat
2856 int channel, collective=0;
2858 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2860 if (appData.debugMode) {
2862 fprintf(debugFP, "<ICS: ");
2863 show_bytes(debugFP, data, count);
2864 fprintf(debugFP, "\n");
2868 if (appData.debugMode) { int f = forwardMostMove;
2869 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2870 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2871 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2874 /* If last read ended with a partial line that we couldn't parse,
2875 prepend it to the new read and try again. */
2876 if (leftover_len > 0) {
2877 for (i=0; i<leftover_len; i++)
2878 buf[i] = buf[leftover_start + i];
2881 /* copy new characters into the buffer */
2882 bp = buf + leftover_len;
2883 buf_len=leftover_len;
2884 for (i=0; i<count; i++)
2887 if (data[i] == '\r')
2890 // join lines split by ICS?
2891 if (!appData.noJoin)
2894 Joining just consists of finding matches against the
2895 continuation sequence, and discarding that sequence
2896 if found instead of copying it. So, until a match
2897 fails, there's nothing to do since it might be the
2898 complete sequence, and thus, something we don't want
2901 if (data[i] == cont_seq[cmatch])
2904 if (cmatch == strlen(cont_seq))
2906 cmatch = 0; // complete match. just reset the counter
2909 it's possible for the ICS to not include the space
2910 at the end of the last word, making our [correct]
2911 join operation fuse two separate words. the server
2912 does this when the space occurs at the width setting.
2914 if (!buf_len || buf[buf_len-1] != ' ')
2925 match failed, so we have to copy what matched before
2926 falling through and copying this character. In reality,
2927 this will only ever be just the newline character, but
2928 it doesn't hurt to be precise.
2930 strncpy(bp, cont_seq, cmatch);
2942 buf[buf_len] = NULLCHAR;
2943 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2948 while (i < buf_len) {
2949 /* Deal with part of the TELNET option negotiation
2950 protocol. We refuse to do anything beyond the
2951 defaults, except that we allow the WILL ECHO option,
2952 which ICS uses to turn off password echoing when we are
2953 directly connected to it. We reject this option
2954 if localLineEditing mode is on (always on in xboard)
2955 and we are talking to port 23, which might be a real
2956 telnet server that will try to keep WILL ECHO on permanently.
2958 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2959 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2960 unsigned char option;
2962 switch ((unsigned char) buf[++i]) {
2964 if (appData.debugMode)
2965 fprintf(debugFP, "\n<WILL ");
2966 switch (option = (unsigned char) buf[++i]) {
2968 if (appData.debugMode)
2969 fprintf(debugFP, "ECHO ");
2970 /* Reply only if this is a change, according
2971 to the protocol rules. */
2972 if (remoteEchoOption) break;
2973 if (appData.localLineEditing &&
2974 atoi(appData.icsPort) == TN_PORT) {
2975 TelnetRequest(TN_DONT, TN_ECHO);
2978 TelnetRequest(TN_DO, TN_ECHO);
2979 remoteEchoOption = TRUE;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "%d ", option);
2985 /* Whatever this is, we don't want it. */
2986 TelnetRequest(TN_DONT, option);
2991 if (appData.debugMode)
2992 fprintf(debugFP, "\n<WONT ");
2993 switch (option = (unsigned char) buf[++i]) {
2995 if (appData.debugMode)
2996 fprintf(debugFP, "ECHO ");
2997 /* Reply only if this is a change, according
2998 to the protocol rules. */
2999 if (!remoteEchoOption) break;
3001 TelnetRequest(TN_DONT, TN_ECHO);
3002 remoteEchoOption = FALSE;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "%d ", (unsigned char) option);
3007 /* Whatever this is, it must already be turned
3008 off, because we never agree to turn on
3009 anything non-default, so according to the
3010 protocol rules, we don't reply. */
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DO ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 /* Whatever this is, we refuse to do it. */
3020 if (appData.debugMode)
3021 fprintf(debugFP, "%d ", option);
3022 TelnetRequest(TN_WONT, option);
3027 if (appData.debugMode)
3028 fprintf(debugFP, "\n<DONT ");
3029 switch (option = (unsigned char) buf[++i]) {
3031 if (appData.debugMode)
3032 fprintf(debugFP, "%d ", option);
3033 /* Whatever this is, we are already not doing
3034 it, because we never agree to do anything
3035 non-default, so according to the protocol
3036 rules, we don't reply. */
3041 if (appData.debugMode)
3042 fprintf(debugFP, "\n<IAC ");
3043 /* Doubled IAC; pass it through */
3047 if (appData.debugMode)
3048 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3049 /* Drop all other telnet commands on the floor */
3052 if (oldi > next_out)
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3059 /* OK, this at least will *usually* work */
3060 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3064 if (loggedOn && !intfSet) {
3065 if (ics_type == ICS_ICC) {
3066 snprintf(str, MSG_SIZ,
3067 "/set-quietly interface %s\n/set-quietly style 12\n",
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "/set-2 51 1\n/set seek 1\n");
3071 } else if (ics_type == ICS_CHESSNET) {
3072 snprintf(str, MSG_SIZ, "/style 12\n");
3074 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3075 strcat(str, programVersion);
3076 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3077 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3078 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3080 strcat(str, "$iset nohighlight 1\n");
3082 strcat(str, "$iset lock 1\n$style 12\n");
3085 NotifyFrontendLogin();
3089 if (started == STARTED_COMMENT) {
3090 /* Accumulate characters in comment */
3091 parse[parse_pos++] = buf[i];
3092 if (buf[i] == '\n') {
3093 parse[parse_pos] = NULLCHAR;
3094 if(chattingPartner>=0) {
3096 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3097 OutputChatMessage(chattingPartner, mess);
3098 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3100 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3101 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3102 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3103 OutputChatMessage(p, mess);
3107 chattingPartner = -1;
3108 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3111 if(!suppressKibitz) // [HGM] kibitz
3112 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3113 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3114 int nrDigit = 0, nrAlph = 0, j;
3115 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3116 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3117 parse[parse_pos] = NULLCHAR;
3118 // try to be smart: if it does not look like search info, it should go to
3119 // ICS interaction window after all, not to engine-output window.
3120 for(j=0; j<parse_pos; j++) { // count letters and digits
3121 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3122 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3123 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3125 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3126 int depth=0; float score;
3127 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3128 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3129 pvInfoList[forwardMostMove-1].depth = depth;
3130 pvInfoList[forwardMostMove-1].score = 100*score;
3132 OutputKibitz(suppressKibitz, parse);
3135 if(gameMode == IcsObserving) // restore original ICS messages
3136 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3137 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3139 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3140 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3141 SendToPlayer(tmp, strlen(tmp));
3143 next_out = i+1; // [HGM] suppress printing in ICS window
3145 started = STARTED_NONE;
3147 /* Don't match patterns against characters in comment */
3152 if (started == STARTED_CHATTER) {
3153 if (buf[i] != '\n') {
3154 /* Don't match patterns against characters in chatter */
3158 started = STARTED_NONE;
3159 if(suppressKibitz) next_out = i+1;
3162 /* Kludge to deal with rcmd protocol */
3163 if (firstTime && looking_at(buf, &i, "\001*")) {
3164 DisplayFatalError(&buf[1], 0, 1);
3170 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3173 if (appData.debugMode)
3174 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3178 ics_type = ICS_FICS;
3180 if (appData.debugMode)
3181 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3185 ics_type = ICS_CHESSNET;
3187 if (appData.debugMode)
3188 fprintf(debugFP, "ics_type %d\n", ics_type);
3193 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3194 looking_at(buf, &i, "Logging you in as \"*\"") ||
3195 looking_at(buf, &i, "will be \"*\""))) {
3196 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3200 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3202 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3203 DisplayIcsInteractionTitle(buf);
3204 have_set_title = TRUE;
3207 /* skip finger notes */
3208 if (started == STARTED_NONE &&
3209 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3210 (buf[i] == '1' && buf[i+1] == '0')) &&
3211 buf[i+2] == ':' && buf[i+3] == ' ') {
3212 started = STARTED_CHATTER;
3218 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3219 if(appData.seekGraph) {
3220 if(soughtPending && MatchSoughtLine(buf+i)) {
3221 i = strstr(buf+i, "rated") - buf;
3222 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3223 next_out = leftover_start = i;
3224 started = STARTED_CHATTER;
3225 suppressKibitz = TRUE;
3228 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3229 && looking_at(buf, &i, "* ads displayed")) {
3230 soughtPending = FALSE;
3235 if(appData.autoRefresh) {
3236 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3237 int s = (ics_type == ICS_ICC); // ICC format differs
3239 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3240 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3243 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 next_out = i; // suppress
3247 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3248 char *p = star_match[0];
3250 if(seekGraphUp) RemoveSeekAd(atoi(p));
3251 while(*p && *p++ != ' '); // next
3253 looking_at(buf, &i, "*% "); // eat prompt
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3261 /* skip formula vars */
3262 if (started == STARTED_NONE &&
3263 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3264 started = STARTED_CHATTER;
3269 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3270 if (appData.autoKibitz && started == STARTED_NONE &&
3271 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3272 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3273 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3274 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3275 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3276 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3277 suppressKibitz = TRUE;
3278 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3280 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3281 && (gameMode == IcsPlayingWhite)) ||
3282 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3283 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3284 started = STARTED_CHATTER; // own kibitz we simply discard
3286 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3287 parse_pos = 0; parse[0] = NULLCHAR;
3288 savingComment = TRUE;
3289 suppressKibitz = gameMode != IcsObserving ? 2 :
3290 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3294 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3295 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3296 && atoi(star_match[0])) {
3297 // suppress the acknowledgements of our own autoKibitz
3299 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3300 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3301 SendToPlayer(star_match[0], strlen(star_match[0]));
3302 if(looking_at(buf, &i, "*% ")) // eat prompt
3303 suppressKibitz = FALSE;
3307 } // [HGM] kibitz: end of patch
3309 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3311 // [HGM] chat: intercept tells by users for which we have an open chat window
3313 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3314 looking_at(buf, &i, "* whispers:") ||
3315 looking_at(buf, &i, "* kibitzes:") ||
3316 looking_at(buf, &i, "* shouts:") ||
3317 looking_at(buf, &i, "* c-shouts:") ||
3318 looking_at(buf, &i, "--> * ") ||
3319 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3322 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3324 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3325 chattingPartner = -1; collective = 0;
3327 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("kibitzes", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("whispers", chatPartner[p])) {
3348 talker[0] = '['; strcat(talker, "] ");
3349 chattingPartner = p; break;
3352 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3353 if(buf[i-8] == '-' && buf[i-3] == 't')
3354 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3356 if(!strcmp("c-shouts", chatPartner[p])) {
3357 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3358 chattingPartner = p; break;
3361 if(chattingPartner < 0)
3362 for(p=0; p<MAX_CHAT; p++) {
3364 if(!strcmp("shouts", chatPartner[p])) {
3365 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3366 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3367 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3368 chattingPartner = p; break;
3372 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3373 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3375 Colorize(ColorTell, FALSE);
3376 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3378 chattingPartner = p; break;
3380 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3381 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3382 started = STARTED_COMMENT;
3383 parse_pos = 0; parse[0] = NULLCHAR;
3384 savingComment = 3 + chattingPartner; // counts as TRUE
3385 if(collective == 3) i = oldi; else {
3386 suppressKibitz = TRUE;
3387 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3388 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3392 } // [HGM] chat: end of patch
3395 if (appData.zippyTalk || appData.zippyPlay) {
3396 /* [DM] Backup address for color zippy lines */
3398 if (loggedOn == TRUE)
3399 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3400 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3403 } // [DM] 'else { ' deleted
3405 /* Regular tells and says */
3406 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3407 looking_at(buf, &i, "* (your partner) tells you: ") ||
3408 looking_at(buf, &i, "* says: ") ||
3409 /* Don't color "message" or "messages" output */
3410 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3411 looking_at(buf, &i, "*. * at *:*: ") ||
3412 looking_at(buf, &i, "--* (*:*): ") ||
3413 /* Message notifications (same color as tells) */
3414 looking_at(buf, &i, "* has left a message ") ||
3415 looking_at(buf, &i, "* just sent you a message:\n") ||
3416 /* Whispers and kibitzes */
3417 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3418 looking_at(buf, &i, "* kibitzes: ") ||
3420 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3422 if (tkind == 1 && strchr(star_match[0], ':')) {
3423 /* Avoid "tells you:" spoofs in channels */
3426 if (star_match[0][0] == NULLCHAR ||
3427 strchr(star_match[0], ' ') ||
3428 (tkind == 3 && strchr(star_match[1], ' '))) {
3429 /* Reject bogus matches */
3432 if (appData.colorize) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3439 Colorize(ColorTell, FALSE);
3440 curColor = ColorTell;
3443 Colorize(ColorKibitz, FALSE);
3444 curColor = ColorKibitz;
3447 p = strrchr(star_match[1], '(');
3454 Colorize(ColorChannel1, FALSE);
3455 curColor = ColorChannel1;
3457 Colorize(ColorChannel, FALSE);
3458 curColor = ColorChannel;
3462 curColor = ColorNormal;
3466 if (started == STARTED_NONE && appData.autoComment &&
3467 (gameMode == IcsObserving ||
3468 gameMode == IcsPlayingWhite ||
3469 gameMode == IcsPlayingBlack)) {
3470 parse_pos = i - oldi;
3471 memcpy(parse, &buf[oldi], parse_pos);
3472 parse[parse_pos] = NULLCHAR;
3473 started = STARTED_COMMENT;
3474 savingComment = TRUE;
3475 } else if(collective != 3) {
3476 started = STARTED_CHATTER;
3477 savingComment = FALSE;
3484 if (looking_at(buf, &i, "* s-shouts: ") ||
3485 looking_at(buf, &i, "* c-shouts: ")) {
3486 if (appData.colorize) {
3487 if (oldi > next_out) {
3488 SendToPlayer(&buf[next_out], oldi - next_out);
3491 Colorize(ColorSShout, FALSE);
3492 curColor = ColorSShout;
3495 started = STARTED_CHATTER;
3499 if (looking_at(buf, &i, "--->")) {
3504 if (looking_at(buf, &i, "* shouts: ") ||
3505 looking_at(buf, &i, "--> ")) {
3506 if (appData.colorize) {
3507 if (oldi > next_out) {
3508 SendToPlayer(&buf[next_out], oldi - next_out);
3511 Colorize(ColorShout, FALSE);
3512 curColor = ColorShout;
3515 started = STARTED_CHATTER;
3519 if (looking_at( buf, &i, "Challenge:")) {
3520 if (appData.colorize) {
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 Colorize(ColorChallenge, FALSE);
3526 curColor = ColorChallenge;
3532 if (looking_at(buf, &i, "* offers you") ||
3533 looking_at(buf, &i, "* offers to be") ||
3534 looking_at(buf, &i, "* would like to") ||
3535 looking_at(buf, &i, "* requests to") ||
3536 looking_at(buf, &i, "Your opponent offers") ||
3537 looking_at(buf, &i, "Your opponent requests")) {
3539 if (appData.colorize) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorRequest, FALSE);
3545 curColor = ColorRequest;
3550 if (looking_at(buf, &i, "* (*) seeking")) {
3551 if (appData.colorize) {
3552 if (oldi > next_out) {
3553 SendToPlayer(&buf[next_out], oldi - next_out);
3556 Colorize(ColorSeek, FALSE);
3557 curColor = ColorSeek;
3562 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3564 if (looking_at(buf, &i, "\\ ")) {
3565 if (prevColor != ColorNormal) {
3566 if (oldi > next_out) {
3567 SendToPlayer(&buf[next_out], oldi - next_out);
3570 Colorize(prevColor, TRUE);
3571 curColor = prevColor;
3573 if (savingComment) {
3574 parse_pos = i - oldi;
3575 memcpy(parse, &buf[oldi], parse_pos);
3576 parse[parse_pos] = NULLCHAR;
3577 started = STARTED_COMMENT;
3578 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3579 chattingPartner = savingComment - 3; // kludge to remember the box
3581 started = STARTED_CHATTER;
3586 if (looking_at(buf, &i, "Black Strength :") ||
3587 looking_at(buf, &i, "<<< style 10 board >>>") ||
3588 looking_at(buf, &i, "<10>") ||
3589 looking_at(buf, &i, "#@#")) {
3590 /* Wrong board style */
3592 SendToICS(ics_prefix);
3593 SendToICS("set style 12\n");
3594 SendToICS(ics_prefix);
3595 SendToICS("refresh\n");
3599 if (looking_at(buf, &i, "login:")) {
3600 if (!have_sent_ICS_logon) {
3602 have_sent_ICS_logon = 1;
3603 else // no init script was found
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3605 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3606 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3611 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3612 (looking_at(buf, &i, "\n<12> ") ||
3613 looking_at(buf, &i, "<12> "))) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_BOARD;
3624 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3625 looking_at(buf, &i, "<b1> ")) {
3626 if (oldi > next_out) {
3627 SendToPlayer(&buf[next_out], oldi - next_out);
3630 started = STARTED_HOLDINGS;
3635 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3637 /* Header for a move list -- first line */
3639 switch (ics_getting_history) {
3643 case BeginningOfGame:
3644 /* User typed "moves" or "oldmoves" while we
3645 were idle. Pretend we asked for these
3646 moves and soak them up so user can step
3647 through them and/or save them.
3650 gameMode = IcsObserving;
3653 ics_getting_history = H_GOT_UNREQ_HEADER;
3655 case EditGame: /*?*/
3656 case EditPosition: /*?*/
3657 /* Should above feature work in these modes too? */
3658 /* For now it doesn't */
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3662 ics_getting_history = H_GOT_UNWANTED_HEADER;
3667 /* Is this the right one? */
3668 if (gameInfo.white && gameInfo.black &&
3669 strcmp(gameInfo.white, star_match[0]) == 0 &&
3670 strcmp(gameInfo.black, star_match[2]) == 0) {
3672 ics_getting_history = H_GOT_REQ_HEADER;
3675 case H_GOT_REQ_HEADER:
3676 case H_GOT_UNREQ_HEADER:
3677 case H_GOT_UNWANTED_HEADER:
3678 case H_GETTING_MOVES:
3679 /* Should not happen */
3680 DisplayError(_("Error gathering move list: two headers"), 0);
3681 ics_getting_history = H_FALSE;
3685 /* Save player ratings into gameInfo if needed */
3686 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3687 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3688 (gameInfo.whiteRating == -1 ||
3689 gameInfo.blackRating == -1)) {
3691 gameInfo.whiteRating = string_to_rating(star_match[1]);
3692 gameInfo.blackRating = string_to_rating(star_match[3]);
3693 if (appData.debugMode)
3694 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3695 gameInfo.whiteRating, gameInfo.blackRating);
3700 if (looking_at(buf, &i,
3701 "* * match, initial time: * minute*, increment: * second")) {
3702 /* Header for a move list -- second line */
3703 /* Initial board will follow if this is a wild game */
3704 if (gameInfo.event != NULL) free(gameInfo.event);
3705 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3706 gameInfo.event = StrSave(str);
3707 /* [HGM] we switched variant. Translate boards if needed. */
3708 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3712 if (looking_at(buf, &i, "Move ")) {
3713 /* Beginning of a move list */
3714 switch (ics_getting_history) {
3716 /* Normally should not happen */
3717 /* Maybe user hit reset while we were parsing */
3720 /* Happens if we are ignoring a move list that is not
3721 * the one we just requested. Common if the user
3722 * tries to observe two games without turning off
3725 case H_GETTING_MOVES:
3726 /* Should not happen */
3727 DisplayError(_("Error gathering move list: nested"), 0);
3728 ics_getting_history = H_FALSE;
3730 case H_GOT_REQ_HEADER:
3731 ics_getting_history = H_GETTING_MOVES;
3732 started = STARTED_MOVES;
3734 if (oldi > next_out) {
3735 SendToPlayer(&buf[next_out], oldi - next_out);
3738 case H_GOT_UNREQ_HEADER:
3739 ics_getting_history = H_GETTING_MOVES;
3740 started = STARTED_MOVES_NOHIDE;
3743 case H_GOT_UNWANTED_HEADER:
3744 ics_getting_history = H_FALSE;
3750 if (looking_at(buf, &i, "% ") ||
3751 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3752 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3753 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3754 soughtPending = FALSE;
3758 if(suppressKibitz) next_out = i;
3759 savingComment = FALSE;
3763 case STARTED_MOVES_NOHIDE:
3764 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3765 parse[parse_pos + i - oldi] = NULLCHAR;
3766 ParseGameHistory(parse);
3768 if (appData.zippyPlay && first.initDone) {
3769 FeedMovesToProgram(&first, forwardMostMove);
3770 if (gameMode == IcsPlayingWhite) {
3771 if (WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("black\n", &first);
3776 SendTimeRemaining(&first, TRUE);
3778 if (first.useColors) {
3779 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, TRUE);
3788 SendToProgram("playother\n", &first);
3794 } else if (gameMode == IcsPlayingBlack) {
3795 if (!WhiteOnMove(forwardMostMove)) {
3796 if (first.sendTime) {
3797 if (first.useColors) {
3798 SendToProgram("white\n", &first);
3800 SendTimeRemaining(&first, FALSE);
3802 if (first.useColors) {
3803 SendToProgram("black\n", &first);
3805 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3806 first.maybeThinking = TRUE;
3808 if (first.usePlayother) {
3809 if (first.sendTime) {
3810 SendTimeRemaining(&first, FALSE);
3812 SendToProgram("playother\n", &first);
3821 if (gameMode == IcsObserving && ics_gamenum == -1) {
3822 /* Moves came from oldmoves or moves command
3823 while we weren't doing anything else.
3825 currentMove = forwardMostMove;
3826 ClearHighlights();/*!!could figure this out*/
3827 flipView = appData.flipView;
3828 DrawPosition(TRUE, boards[currentMove]);
3829 DisplayBothClocks();
3830 snprintf(str, MSG_SIZ, "%s %s %s",
3831 gameInfo.white, _("vs."), gameInfo.black);
3835 /* Moves were history of an active game */
3836 if (gameInfo.resultDetails != NULL) {
3837 free(gameInfo.resultDetails);
3838 gameInfo.resultDetails = NULL;
3841 HistorySet(parseList, backwardMostMove,
3842 forwardMostMove, currentMove-1);
3843 DisplayMove(currentMove - 1);
3844 if (started == STARTED_MOVES) next_out = i;
3845 started = STARTED_NONE;
3846 ics_getting_history = H_FALSE;
3849 case STARTED_OBSERVE:
3850 started = STARTED_NONE;
3851 SendToICS(ics_prefix);
3852 SendToICS("refresh\n");
3858 if(bookHit) { // [HGM] book: simulate book reply
3859 static char bookMove[MSG_SIZ]; // a bit generous?
3861 programStats.nodes = programStats.depth = programStats.time =
3862 programStats.score = programStats.got_only_move = 0;
3863 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3865 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3866 strcat(bookMove, bookHit);
3867 HandleMachineMove(bookMove, &first);
3872 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3873 started == STARTED_HOLDINGS ||
3874 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3875 /* Accumulate characters in move list or board */
3876 parse[parse_pos++] = buf[i];
3879 /* Start of game messages. Mostly we detect start of game
3880 when the first board image arrives. On some versions
3881 of the ICS, though, we need to do a "refresh" after starting
3882 to observe in order to get the current board right away. */
3883 if (looking_at(buf, &i, "Adding game * to observation list")) {
3884 started = STARTED_OBSERVE;
3888 /* Handle auto-observe */
3889 if (appData.autoObserve &&
3890 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3891 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3893 /* Choose the player that was highlighted, if any. */
3894 if (star_match[0][0] == '\033' ||
3895 star_match[1][0] != '\033') {
3896 player = star_match[0];
3898 player = star_match[2];
3900 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3901 ics_prefix, StripHighlightAndTitle(player));
3904 /* Save ratings from notify string */
3905 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3906 player1Rating = string_to_rating(star_match[1]);
3907 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3908 player2Rating = string_to_rating(star_match[3]);
3910 if (appData.debugMode)
3912 "Ratings from 'Game notification:' %s %d, %s %d\n",
3913 player1Name, player1Rating,
3914 player2Name, player2Rating);
3919 /* Deal with automatic examine mode after a game,
3920 and with IcsObserving -> IcsExamining transition */
3921 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3922 looking_at(buf, &i, "has made you an examiner of game *")) {
3924 int gamenum = atoi(star_match[0]);
3925 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3926 gamenum == ics_gamenum) {
3927 /* We were already playing or observing this game;
3928 no need to refetch history */
3929 gameMode = IcsExamining;
3931 pauseExamForwardMostMove = forwardMostMove;
3932 } else if (currentMove < forwardMostMove) {
3933 ForwardInner(forwardMostMove);
3936 /* I don't think this case really can happen */
3937 SendToICS(ics_prefix);
3938 SendToICS("refresh\n");
3943 /* Error messages */
3944 // if (ics_user_moved) {
3945 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3946 if (looking_at(buf, &i, "Illegal move") ||
3947 looking_at(buf, &i, "Not a legal move") ||
3948 looking_at(buf, &i, "Your king is in check") ||
3949 looking_at(buf, &i, "It isn't your turn") ||
3950 looking_at(buf, &i, "It is not your move")) {
3952 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3953 currentMove = forwardMostMove-1;
3954 DisplayMove(currentMove - 1); /* before DMError */
3955 DrawPosition(FALSE, boards[currentMove]);
3956 SwitchClocks(forwardMostMove-1); // [HGM] race
3957 DisplayBothClocks();
3959 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3965 if (looking_at(buf, &i, "still have time") ||
3966 looking_at(buf, &i, "not out of time") ||
3967 looking_at(buf, &i, "either player is out of time") ||
3968 looking_at(buf, &i, "has timeseal; checking")) {
3969 /* We must have called his flag a little too soon */
3970 whiteFlag = blackFlag = FALSE;
3974 if (looking_at(buf, &i, "added * seconds to") ||
3975 looking_at(buf, &i, "seconds were added to")) {
3976 /* Update the clocks */
3977 SendToICS(ics_prefix);
3978 SendToICS("refresh\n");
3982 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3983 ics_clock_paused = TRUE;
3988 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3989 ics_clock_paused = FALSE;
3994 /* Grab player ratings from the Creating: message.
3995 Note we have to check for the special case when
3996 the ICS inserts things like [white] or [black]. */
3997 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3998 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
4000 0 player 1 name (not necessarily white)
4002 2 empty, white, or black (IGNORED)
4003 3 player 2 name (not necessarily black)
4006 The names/ratings are sorted out when the game
4007 actually starts (below).
4009 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4010 player1Rating = string_to_rating(star_match[1]);
4011 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4012 player2Rating = string_to_rating(star_match[4]);
4014 if (appData.debugMode)
4016 "Ratings from 'Creating:' %s %d, %s %d\n",
4017 player1Name, player1Rating,
4018 player2Name, player2Rating);
4023 /* Improved generic start/end-of-game messages */
4024 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4025 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4026 /* If tkind == 0: */
4027 /* star_match[0] is the game number */
4028 /* [1] is the white player's name */
4029 /* [2] is the black player's name */
4030 /* For end-of-game: */
4031 /* [3] is the reason for the game end */
4032 /* [4] is a PGN end game-token, preceded by " " */
4033 /* For start-of-game: */
4034 /* [3] begins with "Creating" or "Continuing" */
4035 /* [4] is " *" or empty (don't care). */
4036 int gamenum = atoi(star_match[0]);
4037 char *whitename, *blackname, *why, *endtoken;
4038 ChessMove endtype = EndOfFile;
4041 whitename = star_match[1];
4042 blackname = star_match[2];
4043 why = star_match[3];
4044 endtoken = star_match[4];
4046 whitename = star_match[1];
4047 blackname = star_match[3];
4048 why = star_match[5];
4049 endtoken = star_match[6];
4052 /* Game start messages */
4053 if (strncmp(why, "Creating ", 9) == 0 ||
4054 strncmp(why, "Continuing ", 11) == 0) {
4055 gs_gamenum = gamenum;
4056 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4057 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4058 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4060 if (appData.zippyPlay) {
4061 ZippyGameStart(whitename, blackname);
4064 partnerBoardValid = FALSE; // [HGM] bughouse
4068 /* Game end messages */
4069 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4070 ics_gamenum != gamenum) {
4073 while (endtoken[0] == ' ') endtoken++;
4074 switch (endtoken[0]) {
4077 endtype = GameUnfinished;
4080 endtype = BlackWins;
4083 if (endtoken[1] == '/')
4084 endtype = GameIsDrawn;
4086 endtype = WhiteWins;
4089 GameEnds(endtype, why, GE_ICS);
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyGameEnd(endtype, why);
4093 if (first.pr == NoProc) {
4094 /* Start the next process early so that we'll
4095 be ready for the next challenge */
4096 StartChessProgram(&first);
4098 /* Send "new" early, in case this command takes
4099 a long time to finish, so that we'll be ready
4100 for the next challenge. */
4101 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4105 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4109 if (looking_at(buf, &i, "Removing game * from observation") ||
4110 looking_at(buf, &i, "no longer observing game *") ||
4111 looking_at(buf, &i, "Game * (*) has no examiners")) {
4112 if (gameMode == IcsObserving &&
4113 atoi(star_match[0]) == ics_gamenum)
4115 /* icsEngineAnalyze */
4116 if (appData.icsEngineAnalyze) {
4123 ics_user_moved = FALSE;
4128 if (looking_at(buf, &i, "no longer examining game *")) {
4129 if (gameMode == IcsExamining &&
4130 atoi(star_match[0]) == ics_gamenum)
4134 ics_user_moved = FALSE;
4139 /* Advance leftover_start past any newlines we find,
4140 so only partial lines can get reparsed */
4141 if (looking_at(buf, &i, "\n")) {
4142 prevColor = curColor;
4143 if (curColor != ColorNormal) {
4144 if (oldi > next_out) {
4145 SendToPlayer(&buf[next_out], oldi - next_out);
4148 Colorize(ColorNormal, FALSE);
4149 curColor = ColorNormal;
4151 if (started == STARTED_BOARD) {
4152 started = STARTED_NONE;
4153 parse[parse_pos] = NULLCHAR;
4154 ParseBoard12(parse);
4157 /* Send premove here */
4158 if (appData.premove) {
4160 if (currentMove == 0 &&
4161 gameMode == IcsPlayingWhite &&
4162 appData.premoveWhite) {
4163 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4167 } else if (currentMove == 1 &&
4168 gameMode == IcsPlayingBlack &&
4169 appData.premoveBlack) {
4170 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4171 if (appData.debugMode)
4172 fprintf(debugFP, "Sending premove:\n");
4174 } else if (gotPremove) {
4175 int oldFMM = forwardMostMove;
4177 ClearPremoveHighlights();
4178 if (appData.debugMode)
4179 fprintf(debugFP, "Sending premove:\n");
4180 UserMoveEvent(premoveFromX, premoveFromY,
4181 premoveToX, premoveToY,
4183 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4184 if(moveList[oldFMM-1][1] != '@')
4185 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4186 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4188 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4193 /* Usually suppress following prompt */
4194 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4195 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4196 if (looking_at(buf, &i, "*% ")) {
4197 savingComment = FALSE;
4202 } else if (started == STARTED_HOLDINGS) {
4204 char new_piece[MSG_SIZ];
4205 started = STARTED_NONE;
4206 parse[parse_pos] = NULLCHAR;
4207 if (appData.debugMode)
4208 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4209 parse, currentMove);
4210 if (sscanf(parse, " game %d", &gamenum) == 1) {
4211 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4212 if (gameInfo.variant == VariantNormal) {
4213 /* [HGM] We seem to switch variant during a game!
4214 * Presumably no holdings were displayed, so we have
4215 * to move the position two files to the right to
4216 * create room for them!
4218 VariantClass newVariant;
4219 switch(gameInfo.boardWidth) { // base guess on board width
4220 case 9: newVariant = VariantShogi; break;
4221 case 10: newVariant = VariantGreat; break;
4222 default: newVariant = VariantCrazyhouse; break;
4224 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4225 /* Get a move list just to see the header, which
4226 will tell us whether this is really bug or zh */
4227 if (ics_getting_history == H_FALSE) {
4228 ics_getting_history = H_REQUESTED;
4229 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4233 new_piece[0] = NULLCHAR;
4234 sscanf(parse, "game %d white [%s black [%s <- %s",
4235 &gamenum, white_holding, black_holding,
4237 white_holding[strlen(white_holding)-1] = NULLCHAR;
4238 black_holding[strlen(black_holding)-1] = NULLCHAR;
4239 /* [HGM] copy holdings to board holdings area */
4240 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4241 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4242 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4244 if (appData.zippyPlay && first.initDone) {
4245 ZippyHoldings(white_holding, black_holding,
4249 if (tinyLayout || smallLayout) {
4250 char wh[16], bh[16];
4251 PackHolding(wh, white_holding);
4252 PackHolding(bh, black_holding);
4253 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4254 gameInfo.white, gameInfo.black);
4256 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4257 gameInfo.white, white_holding, _("vs."),
4258 gameInfo.black, black_holding);
4260 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4261 DrawPosition(FALSE, boards[currentMove]);
4263 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4264 sscanf(parse, "game %d white [%s black [%s <- %s",
4265 &gamenum, white_holding, black_holding,
4267 white_holding[strlen(white_holding)-1] = NULLCHAR;
4268 black_holding[strlen(black_holding)-1] = NULLCHAR;
4269 /* [HGM] copy holdings to partner-board holdings area */
4270 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4271 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4272 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4273 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4274 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4277 /* Suppress following prompt */
4278 if (looking_at(buf, &i, "*% ")) {
4279 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4280 savingComment = FALSE;
4288 i++; /* skip unparsed character and loop back */
4291 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4292 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4293 // SendToPlayer(&buf[next_out], i - next_out);
4294 started != STARTED_HOLDINGS && leftover_start > next_out) {
4295 SendToPlayer(&buf[next_out], leftover_start - next_out);
4299 leftover_len = buf_len - leftover_start;
4300 /* if buffer ends with something we couldn't parse,
4301 reparse it after appending the next read */
4303 } else if (count == 0) {
4304 RemoveInputSource(isr);
4305 DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
4307 DisplayFatalError(_("Error reading from ICS"), error, 1);
4312 /* Board style 12 looks like this:
4314 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4316 * The "<12> " is stripped before it gets to this routine. The two
4317 * trailing 0's (flip state and clock ticking) are later addition, and
4318 * some chess servers may not have them, or may have only the first.
4319 * Additional trailing fields may be added in the future.
4322 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4324 #define RELATION_OBSERVING_PLAYED 0
4325 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4326 #define RELATION_PLAYING_MYMOVE 1
4327 #define RELATION_PLAYING_NOTMYMOVE -1
4328 #define RELATION_EXAMINING 2
4329 #define RELATION_ISOLATED_BOARD -3
4330 #define RELATION_STARTING_POSITION -4 /* FICS only */
4333 ParseBoard12 (char *string)
4337 char *bookHit = NULL; // [HGM] book
4339 GameMode newGameMode;
4340 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4341 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4342 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4343 char to_play, board_chars[200];
4344 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4345 char black[32], white[32];
4347 int prevMove = currentMove;
4350 int fromX, fromY, toX, toY;
4352 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4353 Boolean weird = FALSE, reqFlag = FALSE;
4355 fromX = fromY = toX = toY = -1;
4359 if (appData.debugMode)
4360 fprintf(debugFP, "Parsing board: %s\n", string);
4362 move_str[0] = NULLCHAR;
4363 elapsed_time[0] = NULLCHAR;
4364 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4366 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4367 if(string[i] == ' ') { ranks++; files = 0; }
4369 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4372 for(j = 0; j <i; j++) board_chars[j] = string[j];
4373 board_chars[i] = '\0';
4376 n = sscanf(string, PATTERN, &to_play, &double_push,
4377 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4378 &gamenum, white, black, &relation, &basetime, &increment,
4379 &white_stren, &black_stren, &white_time, &black_time,
4380 &moveNum, str, elapsed_time, move_str, &ics_flip,
4384 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4385 DisplayError(str, 0);
4389 /* Convert the move number to internal form */
4390 moveNum = (moveNum - 1) * 2;
4391 if (to_play == 'B') moveNum++;
4392 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4393 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4399 case RELATION_OBSERVING_PLAYED:
4400 case RELATION_OBSERVING_STATIC:
4401 if (gamenum == -1) {
4402 /* Old ICC buglet */
4403 relation = RELATION_OBSERVING_STATIC;
4405 newGameMode = IcsObserving;
4407 case RELATION_PLAYING_MYMOVE:
4408 case RELATION_PLAYING_NOTMYMOVE:
4410 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4411 IcsPlayingWhite : IcsPlayingBlack;
4412 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4414 case RELATION_EXAMINING:
4415 newGameMode = IcsExamining;
4417 case RELATION_ISOLATED_BOARD:
4419 /* Just display this board. If user was doing something else,
4420 we will forget about it until the next board comes. */
4421 newGameMode = IcsIdle;
4423 case RELATION_STARTING_POSITION:
4424 newGameMode = gameMode;
4428 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4429 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4430 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4431 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4432 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4433 static int lastBgGame = -1;
4435 for (k = 0; k < ranks; k++) {
4436 for (j = 0; j < files; j++)
4437 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4438 if(gameInfo.holdingsWidth > 1) {
4439 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4440 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4443 CopyBoard(partnerBoard, board);
4444 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4445 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4446 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4447 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4448 if(toSqr = strchr(str, '-')) {
4449 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4450 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4451 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4452 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4453 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4454 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4456 DisplayWhiteClock(white_time*fac, to_play == 'W');
4457 DisplayBlackClock(black_time*fac, to_play != 'W');
4458 activePartner = to_play;
4459 if(gamenum != lastBgGame) {
4461 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4464 lastBgGame = gamenum;
4465 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4466 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4467 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4468 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4469 if(!twoBoards) DisplayMessage(partnerStatus, "");
4470 partnerBoardValid = TRUE;
4474 if(appData.dualBoard && appData.bgObserve) {
4475 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4476 SendToICS(ics_prefix), SendToICS("pobserve\n");
4477 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4479 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4484 /* Modify behavior for initial board display on move listing
4487 switch (ics_getting_history) {
4491 case H_GOT_REQ_HEADER:
4492 case H_GOT_UNREQ_HEADER:
4493 /* This is the initial position of the current game */
4494 gamenum = ics_gamenum;
4495 moveNum = 0; /* old ICS bug workaround */
4496 if (to_play == 'B') {
4497 startedFromSetupPosition = TRUE;
4498 blackPlaysFirst = TRUE;
4500 if (forwardMostMove == 0) forwardMostMove = 1;
4501 if (backwardMostMove == 0) backwardMostMove = 1;
4502 if (currentMove == 0) currentMove = 1;
4504 newGameMode = gameMode;
4505 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4507 case H_GOT_UNWANTED_HEADER:
4508 /* This is an initial board that we don't want */
4510 case H_GETTING_MOVES:
4511 /* Should not happen */
4512 DisplayError(_("Error gathering move list: extra board"), 0);
4513 ics_getting_history = H_FALSE;
4517 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4518 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4519 weird && (int)gameInfo.variant < (int)VariantShogi) {
4520 /* [HGM] We seem to have switched variant unexpectedly
4521 * Try to guess new variant from board size
4523 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4524 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4525 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4526 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4527 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4528 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4529 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4530 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4531 /* Get a move list just to see the header, which
4532 will tell us whether this is really bug or zh */
4533 if (ics_getting_history == H_FALSE) {
4534 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4535 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4540 /* Take action if this is the first board of a new game, or of a
4541 different game than is currently being displayed. */
4542 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4543 relation == RELATION_ISOLATED_BOARD) {
4545 /* Forget the old game and get the history (if any) of the new one */
4546 if (gameMode != BeginningOfGame) {
4550 if (appData.autoRaiseBoard) BoardToTop();
4552 if (gamenum == -1) {
4553 newGameMode = IcsIdle;
4554 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4555 appData.getMoveList && !reqFlag) {
4556 /* Need to get game history */
4557 ics_getting_history = H_REQUESTED;
4558 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4562 /* Initially flip the board to have black on the bottom if playing
4563 black or if the ICS flip flag is set, but let the user change
4564 it with the Flip View button. */
4565 flipView = appData.autoFlipView ?
4566 (newGameMode == IcsPlayingBlack) || ics_flip :
4569 /* Done with values from previous mode; copy in new ones */
4570 gameMode = newGameMode;
4572 ics_gamenum = gamenum;
4573 if (gamenum == gs_gamenum) {
4574 int klen = strlen(gs_kind);
4575 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4576 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4577 gameInfo.event = StrSave(str);
4579 gameInfo.event = StrSave("ICS game");
4581 gameInfo.site = StrSave(appData.icsHost);
4582 gameInfo.date = PGNDate();
4583 gameInfo.round = StrSave("-");
4584 gameInfo.white = StrSave(white);
4585 gameInfo.black = StrSave(black);
4586 timeControl = basetime * 60 * 1000;
4588 timeIncrement = increment * 1000;
4589 movesPerSession = 0;
4590 gameInfo.timeControl = TimeControlTagValue();
4591 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4592 if (appData.debugMode) {
4593 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4594 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4595 setbuf(debugFP, NULL);
4598 gameInfo.outOfBook = NULL;
4600 /* Do we have the ratings? */
4601 if (strcmp(player1Name, white) == 0 &&
4602 strcmp(player2Name, black) == 0) {
4603 if (appData.debugMode)
4604 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4605 player1Rating, player2Rating);
4606 gameInfo.whiteRating = player1Rating;
4607 gameInfo.blackRating = player2Rating;
4608 } else if (strcmp(player2Name, white) == 0 &&
4609 strcmp(player1Name, black) == 0) {
4610 if (appData.debugMode)
4611 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4612 player2Rating, player1Rating);
4613 gameInfo.whiteRating = player2Rating;
4614 gameInfo.blackRating = player1Rating;
4616 player1Name[0] = player2Name[0] = NULLCHAR;
4618 /* Silence shouts if requested */
4619 if (appData.quietPlay &&
4620 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4621 SendToICS(ics_prefix);
4622 SendToICS("set shout 0\n");
4626 /* Deal with midgame name changes */
4628 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4629 if (gameInfo.white) free(gameInfo.white);
4630 gameInfo.white = StrSave(white);
4632 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4633 if (gameInfo.black) free(gameInfo.black);
4634 gameInfo.black = StrSave(black);
4638 /* Throw away game result if anything actually changes in examine mode */
4639 if (gameMode == IcsExamining && !newGame) {
4640 gameInfo.result = GameUnfinished;
4641 if (gameInfo.resultDetails != NULL) {
4642 free(gameInfo.resultDetails);
4643 gameInfo.resultDetails = NULL;
4647 /* In pausing && IcsExamining mode, we ignore boards coming
4648 in if they are in a different variation than we are. */
4649 if (pauseExamInvalid) return;
4650 if (pausing && gameMode == IcsExamining) {
4651 if (moveNum <= pauseExamForwardMostMove) {
4652 pauseExamInvalid = TRUE;
4653 forwardMostMove = pauseExamForwardMostMove;
4658 if (appData.debugMode) {
4659 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4661 /* Parse the board */
4662 for (k = 0; k < ranks; k++) {
4663 for (j = 0; j < files; j++)
4664 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4665 if(gameInfo.holdingsWidth > 1) {
4666 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4667 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4670 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4671 board[5][BOARD_RGHT+1] = WhiteAngel;
4672 board[6][BOARD_RGHT+1] = WhiteMarshall;
4673 board[1][0] = BlackMarshall;
4674 board[2][0] = BlackAngel;
4675 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4677 CopyBoard(boards[moveNum], board);
4678 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4680 startedFromSetupPosition =
4681 !CompareBoards(board, initialPosition);
4682 if(startedFromSetupPosition)
4683 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4686 /* [HGM] Set castling rights. Take the outermost Rooks,
4687 to make it also work for FRC opening positions. Note that board12
4688 is really defective for later FRC positions, as it has no way to
4689 indicate which Rook can castle if they are on the same side of King.
4690 For the initial position we grant rights to the outermost Rooks,
4691 and remember thos rights, and we then copy them on positions
4692 later in an FRC game. This means WB might not recognize castlings with
4693 Rooks that have moved back to their original position as illegal,
4694 but in ICS mode that is not its job anyway.
4696 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4697 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4699 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4700 if(board[0][i] == WhiteRook) j = i;
4701 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4702 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4703 if(board[0][i] == WhiteRook) j = i;
4704 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4706 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4707 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4708 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4709 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4710 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4712 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4713 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4714 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4715 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4716 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4717 if(board[BOARD_HEIGHT-1][k] == bKing)
4718 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4719 if(gameInfo.variant == VariantTwoKings) {
4720 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4721 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4722 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4725 r = boards[moveNum][CASTLING][0] = initialRights[0];
4726 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4727 r = boards[moveNum][CASTLING][1] = initialRights[1];
4728 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4729 r = boards[moveNum][CASTLING][3] = initialRights[3];
4730 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4731 r = boards[moveNum][CASTLING][4] = initialRights[4];
4732 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4733 /* wildcastle kludge: always assume King has rights */
4734 r = boards[moveNum][CASTLING][2] = initialRights[2];
4735 r = boards[moveNum][CASTLING][5] = initialRights[5];
4737 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4738 boards[moveNum][EP_STATUS] = EP_NONE;
4739 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4740 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4741 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4744 if (ics_getting_history == H_GOT_REQ_HEADER ||
4745 ics_getting_history == H_GOT_UNREQ_HEADER) {
4746 /* This was an initial position from a move list, not
4747 the current position */
4751 /* Update currentMove and known move number limits */
4752 newMove = newGame || moveNum > forwardMostMove;
4755 forwardMostMove = backwardMostMove = currentMove = moveNum;
4756 if (gameMode == IcsExamining && moveNum == 0) {
4757 /* Workaround for ICS limitation: we are not told the wild
4758 type when starting to examine a game. But if we ask for
4759 the move list, the move list header will tell us */
4760 ics_getting_history = H_REQUESTED;
4761 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4764 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4765 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4767 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4768 /* [HGM] applied this also to an engine that is silently watching */
4769 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4770 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4771 gameInfo.variant == currentlyInitializedVariant) {
4772 takeback = forwardMostMove - moveNum;
4773 for (i = 0; i < takeback; i++) {
4774 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4775 SendToProgram("undo\n", &first);
4780 forwardMostMove = moveNum;
4781 if (!pausing || currentMove > forwardMostMove)
4782 currentMove = forwardMostMove;
4784 /* New part of history that is not contiguous with old part */
4785 if (pausing && gameMode == IcsExamining) {
4786 pauseExamInvalid = TRUE;
4787 forwardMostMove = pauseExamForwardMostMove;
4790 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4792 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4793 // [HGM] when we will receive the move list we now request, it will be
4794 // fed to the engine from the first move on. So if the engine is not
4795 // in the initial position now, bring it there.
4796 InitChessProgram(&first, 0);
4799 ics_getting_history = H_REQUESTED;
4800 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4803 forwardMostMove = backwardMostMove = currentMove = moveNum;
4806 /* Update the clocks */
4807 if (strchr(elapsed_time, '.')) {
4809 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4810 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4812 /* Time is in seconds */
4813 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4814 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4819 if (appData.zippyPlay && newGame &&
4820 gameMode != IcsObserving && gameMode != IcsIdle &&
4821 gameMode != IcsExamining)
4822 ZippyFirstBoard(moveNum, basetime, increment);
4825 /* Put the move on the move list, first converting
4826 to canonical algebraic form. */
4828 if (appData.debugMode) {
4829 int f = forwardMostMove;
4830 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4831 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4832 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4833 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4834 fprintf(debugFP, "moveNum = %d\n", moveNum);
4835 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4836 setbuf(debugFP, NULL);
4838 if (moveNum <= backwardMostMove) {
4839 /* We don't know what the board looked like before
4841 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4842 strcat(parseList[moveNum - 1], " ");
4843 strcat(parseList[moveNum - 1], elapsed_time);
4844 moveList[moveNum - 1][0] = NULLCHAR;
4845 } else if (strcmp(move_str, "none") == 0) {
4846 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4847 /* Again, we don't know what the board looked like;
4848 this is really the start of the game. */
4849 parseList[moveNum - 1][0] = NULLCHAR;
4850 moveList[moveNum - 1][0] = NULLCHAR;
4851 backwardMostMove = moveNum;
4852 startedFromSetupPosition = TRUE;
4853 fromX = fromY = toX = toY = -1;
4855 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4856 // So we parse the long-algebraic move string in stead of the SAN move
4857 int valid; char buf[MSG_SIZ], *prom;
4859 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4860 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4861 // str looks something like "Q/a1-a2"; kill the slash
4863 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4864 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4865 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4866 strcat(buf, prom); // long move lacks promo specification!
4867 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4868 if(appData.debugMode)
4869 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4870 safeStrCpy(move_str, buf, MSG_SIZ);
4872 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4873 &fromX, &fromY, &toX, &toY, &promoChar)
4874 || ParseOneMove(buf, moveNum - 1, &moveType,
4875 &fromX, &fromY, &toX, &toY, &promoChar);
4876 // end of long SAN patch
4878 (void) CoordsToAlgebraic(boards[moveNum - 1],
4879 PosFlags(moveNum - 1),
4880 fromY, fromX, toY, toX, promoChar,
4881 parseList[moveNum-1]);
4882 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4888 if(!IS_SHOGI(gameInfo.variant))
4889 strcat(parseList[moveNum - 1], "+");
4892 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4893 strcat(parseList[moveNum - 1], "#");
4896 strcat(parseList[moveNum - 1], " ");
4897 strcat(parseList[moveNum - 1], elapsed_time);
4898 /* currentMoveString is set as a side-effect of ParseOneMove */
4899 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4900 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4901 strcat(moveList[moveNum - 1], "\n");
4903 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4904 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4905 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4906 ChessSquare old, new = boards[moveNum][k][j];
4907 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4908 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4909 if(old == new) continue;
4910 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4911 else if(new == WhiteWazir || new == BlackWazir) {
4912 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4913 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4914 else boards[moveNum][k][j] = old; // preserve type of Gold
4915 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4916 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4919 /* Move from ICS was illegal!? Punt. */
4920 if (appData.debugMode) {
4921 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4922 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4924 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4925 strcat(parseList[moveNum - 1], " ");
4926 strcat(parseList[moveNum - 1], elapsed_time);
4927 moveList[moveNum - 1][0] = NULLCHAR;
4928 fromX = fromY = toX = toY = -1;
4931 if (appData.debugMode) {
4932 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4933 setbuf(debugFP, NULL);
4937 /* Send move to chess program (BEFORE animating it). */
4938 if (appData.zippyPlay && !newGame && newMove &&
4939 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4941 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4942 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4943 if (moveList[moveNum - 1][0] == NULLCHAR) {
4944 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4946 DisplayError(str, 0);
4948 if (first.sendTime) {
4949 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4951 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4952 if (firstMove && !bookHit) {
4954 if (first.useColors) {
4955 SendToProgram(gameMode == IcsPlayingWhite ?
4957 "black\ngo\n", &first);
4959 SendToProgram("go\n", &first);
4961 first.maybeThinking = TRUE;
4964 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4965 if (moveList[moveNum - 1][0] == NULLCHAR) {
4966 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4967 DisplayError(str, 0);
4969 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4970 SendMoveToProgram(moveNum - 1, &first);
4977 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4978 /* If move comes from a remote source, animate it. If it
4979 isn't remote, it will have already been animated. */
4980 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4981 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4983 if (!pausing && appData.highlightLastMove) {
4984 SetHighlights(fromX, fromY, toX, toY);
4988 /* Start the clocks */
4989 whiteFlag = blackFlag = FALSE;
4990 appData.clockMode = !(basetime == 0 && increment == 0);
4992 ics_clock_paused = TRUE;
4994 } else if (ticking == 1) {
4995 ics_clock_paused = FALSE;
4997 if (gameMode == IcsIdle ||
4998 relation == RELATION_OBSERVING_STATIC ||
4999 relation == RELATION_EXAMINING ||
5001 DisplayBothClocks();
5005 /* Display opponents and material strengths */
5006 if (gameInfo.variant != VariantBughouse &&
5007 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5008 if (tinyLayout || smallLayout) {
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5011 gameInfo.white, white_stren, gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5015 gameInfo.white, white_stren, gameInfo.black, black_stren,
5016 basetime, increment, (int) gameInfo.variant);
5018 if(gameInfo.variant == VariantNormal)
5019 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5020 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5021 basetime, increment);
5023 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5024 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5025 basetime, increment, VariantName(gameInfo.variant));
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5034 /* Display the board */
5035 if (!pausing && !appData.noGUI) {
5037 if (appData.premove)
5039 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5040 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5041 ClearPremoveHighlights();
5043 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5044 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5045 DrawPosition(j, boards[currentMove]);
5047 DisplayMove(moveNum - 1);
5048 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5049 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5050 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5051 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5055 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5057 if(bookHit) { // [HGM] book: simulate book reply
5058 static char bookMove[MSG_SIZ]; // a bit generous?
5060 programStats.nodes = programStats.depth = programStats.time =
5061 programStats.score = programStats.got_only_move = 0;
5062 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5064 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5065 strcat(bookMove, bookHit);
5066 HandleMachineMove(bookMove, &first);
5075 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5076 ics_getting_history = H_REQUESTED;
5077 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5083 SendToBoth (char *msg)
5084 { // to make it easy to keep two engines in step in dual analysis
5085 SendToProgram(msg, &first);
5086 if(second.analyzing) SendToProgram(msg, &second);
5090 AnalysisPeriodicEvent (int force)
5092 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5093 && !force) || !appData.periodicUpdates)
5096 /* Send . command to Crafty to collect stats */
5099 /* Don't send another until we get a response (this makes
5100 us stop sending to old Crafty's which don't understand
5101 the "." command (sending illegal cmds resets node count & time,
5102 which looks bad)) */
5103 programStats.ok_to_send = 0;
5107 ics_update_width (int new_width)
5109 ics_printf("set width %d\n", new_width);
5113 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5117 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5118 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5119 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5120 SendToProgram(buf, cps);
5123 // null move in variant where engine does not understand it (for analysis purposes)
5124 SendBoard(cps, moveNum + 1); // send position after move in stead.
5127 if (cps->useUsermove) {
5128 SendToProgram("usermove ", cps);
5132 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5133 int len = space - parseList[moveNum];
5134 memcpy(buf, parseList[moveNum], len);
5136 buf[len] = NULLCHAR;
5138 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5140 SendToProgram(buf, cps);
5142 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5143 AlphaRank(moveList[moveNum], 4);
5144 SendToProgram(moveList[moveNum], cps);
5145 AlphaRank(moveList[moveNum], 4); // and back
5147 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5148 * the engine. It would be nice to have a better way to identify castle
5150 if(appData.fischerCastling && cps->useOOCastle) {
5151 int fromX = moveList[moveNum][0] - AAA;
5152 int fromY = moveList[moveNum][1] - ONE;
5153 int toX = moveList[moveNum][2] - AAA;
5154 int toY = moveList[moveNum][3] - ONE;
5155 if((boards[moveNum][fromY][fromX] == WhiteKing
5156 && boards[moveNum][toY][toX] == WhiteRook)
5157 || (boards[moveNum][fromY][fromX] == BlackKing
5158 && boards[moveNum][toY][toX] == BlackRook)) {
5159 if(toX > fromX) SendToProgram("O-O\n", cps);
5160 else SendToProgram("O-O-O\n", cps);
5162 else SendToProgram(moveList[moveNum], cps);
5164 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5165 char *m = moveList[moveNum];
5167 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5168 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5169 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5172 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5173 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5174 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5175 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5180 m[2], m[3] - '0', c);
5182 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5185 m[2], m[3] - '0', c);
5186 SendToProgram(buf, cps);
5188 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5189 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5190 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5191 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5192 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5194 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5195 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5196 SendToProgram(buf, cps);
5198 else SendToProgram(moveList[moveNum], cps);
5199 /* End of additions by Tord */
5202 /* [HGM] setting up the opening has brought engine in force mode! */
5203 /* Send 'go' if we are in a mode where machine should play. */
5204 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5205 (gameMode == TwoMachinesPlay ||
5207 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5209 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5210 SendToProgram("go\n", cps);
5211 if (appData.debugMode) {
5212 fprintf(debugFP, "(extra)\n");
5215 setboardSpoiledMachineBlack = 0;
5219 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5221 char user_move[MSG_SIZ];
5224 if(gameInfo.variant == VariantSChess && promoChar) {
5225 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5226 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5227 } else suffix[0] = NULLCHAR;
5231 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5232 (int)moveType, fromX, fromY, toX, toY);
5233 DisplayError(user_move + strlen("say "), 0);
5235 case WhiteKingSideCastle:
5236 case BlackKingSideCastle:
5237 case WhiteQueenSideCastleWild:
5238 case BlackQueenSideCastleWild:
5240 case WhiteHSideCastleFR:
5241 case BlackHSideCastleFR:
5243 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5245 case WhiteQueenSideCastle:
5246 case BlackQueenSideCastle:
5247 case WhiteKingSideCastleWild:
5248 case BlackKingSideCastleWild:
5250 case WhiteASideCastleFR:
5251 case BlackASideCastleFR:
5253 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5255 case WhiteNonPromotion:
5256 case BlackNonPromotion:
5257 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5259 case WhitePromotion:
5260 case BlackPromotion:
5261 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5262 gameInfo.variant == VariantMakruk)
5263 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5264 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5265 PieceToChar(WhiteFerz));
5266 else if(gameInfo.variant == VariantGreat)
5267 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5268 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5269 PieceToChar(WhiteMan));
5271 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5272 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5278 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5279 ToUpper(PieceToChar((ChessSquare) fromX)),
5280 AAA + toX, ONE + toY);
5282 case IllegalMove: /* could be a variant we don't quite understand */
5283 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5285 case WhiteCapturesEnPassant:
5286 case BlackCapturesEnPassant:
5287 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5288 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5291 SendToICS(user_move);
5292 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5293 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5298 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5299 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5300 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5301 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5302 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5305 if(gameMode != IcsExamining) { // is this ever not the case?
5306 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5308 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5309 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5310 } else { // on FICS we must first go to general examine mode
5311 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5313 if(gameInfo.variant != VariantNormal) {
5314 // try figure out wild number, as xboard names are not always valid on ICS
5315 for(i=1; i<=36; i++) {
5316 snprintf(buf, MSG_SIZ, "wild/%d", i);
5317 if(StringToVariant(buf) == gameInfo.variant) break;
5319 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5320 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5321 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5322 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5323 SendToICS(ics_prefix);
5325 if(startedFromSetupPosition || backwardMostMove != 0) {
5326 fen = PositionToFEN(backwardMostMove, NULL, 1);
5327 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5328 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5330 } else { // FICS: everything has to set by separate bsetup commands
5331 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5332 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5334 if(!WhiteOnMove(backwardMostMove)) {
5335 SendToICS("bsetup tomove black\n");
5337 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5338 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5340 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5341 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5343 i = boards[backwardMostMove][EP_STATUS];
5344 if(i >= 0) { // set e.p.
5345 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5351 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5352 SendToICS("bsetup done\n"); // switch to normal examining.
5354 for(i = backwardMostMove; i<last; i++) {
5356 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5357 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5358 int len = strlen(moveList[i]);
5359 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5360 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5364 SendToICS(ics_prefix);
5365 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5368 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5372 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5374 if (rf == DROP_RANK) {
5375 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5376 sprintf(move, "%c@%c%c\n",
5377 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5379 if (promoChar == 'x' || promoChar == NULLCHAR) {
5380 sprintf(move, "%c%c%c%c\n",
5381 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5382 if(killX >= 0 && killY >= 0) {
5383 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5384 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5387 sprintf(move, "%c%c%c%c%c\n",
5388 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5389 if(killX >= 0 && killY >= 0) {
5390 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5391 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5398 ProcessICSInitScript (FILE *f)
5402 while (fgets(buf, MSG_SIZ, f)) {
5403 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5410 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5412 static ClickType lastClickType;
5415 PieceInString (char *s, ChessSquare piece)
5417 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5418 while((p = strchr(s, ID))) {
5419 if(!suffix || p[1] == suffix) return TRUE;
5426 Partner (ChessSquare *p)
5427 { // change piece into promotion partner if one shogi-promotes to the other
5428 ChessSquare partner = promoPartner[*p];
5429 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5430 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5438 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5439 static int toggleFlag;
5440 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5441 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5442 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5443 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5444 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5445 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5447 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5448 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5449 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5450 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5451 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5452 if(!step) step = -1;
5453 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5454 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5455 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5456 promoSweep == pawn ||
5457 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5458 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5460 int victim = boards[currentMove][toY][toX];
5461 boards[currentMove][toY][toX] = promoSweep;
5462 DrawPosition(FALSE, boards[currentMove]);
5463 boards[currentMove][toY][toX] = victim;
5465 ChangeDragPiece(promoSweep);
5469 PromoScroll (int x, int y)
5473 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5474 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5475 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5476 if(!step) return FALSE;
5477 lastX = x; lastY = y;
5478 if((promoSweep < BlackPawn) == flipView) step = -step;
5479 if(step > 0) selectFlag = 1;
5480 if(!selectFlag) Sweep(step);
5485 NextPiece (int step)
5487 ChessSquare piece = boards[currentMove][toY][toX];
5490 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5491 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5492 if(!step) step = -1;
5493 } while(PieceToChar(pieceSweep) == '.');
5494 boards[currentMove][toY][toX] = pieceSweep;
5495 DrawPosition(FALSE, boards[currentMove]);
5496 boards[currentMove][toY][toX] = piece;
5498 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5500 AlphaRank (char *move, int n)
5502 // char *p = move, c; int x, y;
5504 if (appData.debugMode) {
5505 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5509 move[2]>='0' && move[2]<='9' &&
5510 move[3]>='a' && move[3]<='x' ) {
5512 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5513 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5515 if(move[0]>='0' && move[0]<='9' &&
5516 move[1]>='a' && move[1]<='x' &&
5517 move[2]>='0' && move[2]<='9' &&
5518 move[3]>='a' && move[3]<='x' ) {
5519 /* input move, Shogi -> normal */
5520 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5521 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5522 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5523 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5526 move[3]>='0' && move[3]<='9' &&
5527 move[2]>='a' && move[2]<='x' ) {
5529 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5530 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5533 move[0]>='a' && move[0]<='x' &&
5534 move[3]>='0' && move[3]<='9' &&
5535 move[2]>='a' && move[2]<='x' ) {
5536 /* output move, normal -> Shogi */
5537 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5538 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5539 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5540 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5541 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5543 if (appData.debugMode) {
5544 fprintf(debugFP, " out = '%s'\n", move);
5548 char yy_textstr[8000];
5550 /* Parser for moves from gnuchess, ICS, or user typein box */
5552 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5554 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5556 switch (*moveType) {
5557 case WhitePromotion:
5558 case BlackPromotion:
5559 case WhiteNonPromotion:
5560 case BlackNonPromotion:
5563 case WhiteCapturesEnPassant:
5564 case BlackCapturesEnPassant:
5565 case WhiteKingSideCastle:
5566 case WhiteQueenSideCastle:
5567 case BlackKingSideCastle:
5568 case BlackQueenSideCastle:
5569 case WhiteKingSideCastleWild:
5570 case WhiteQueenSideCastleWild:
5571 case BlackKingSideCastleWild:
5572 case BlackQueenSideCastleWild:
5573 /* Code added by Tord: */
5574 case WhiteHSideCastleFR:
5575 case WhiteASideCastleFR:
5576 case BlackHSideCastleFR:
5577 case BlackASideCastleFR:
5578 /* End of code added by Tord */
5579 case IllegalMove: /* bug or odd chess variant */
5580 if(currentMoveString[1] == '@') { // illegal drop
5581 *fromX = WhiteOnMove(moveNum) ?
5582 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5583 (int) CharToPiece(ToLower(currentMoveString[0]));
5586 *fromX = currentMoveString[0] - AAA;
5587 *fromY = currentMoveString[1] - ONE;
5588 *toX = currentMoveString[2] - AAA;
5589 *toY = currentMoveString[3] - ONE;
5590 *promoChar = currentMoveString[4];
5591 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5592 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5593 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5594 if (appData.debugMode) {
5595 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5597 *fromX = *fromY = *toX = *toY = 0;
5600 if (appData.testLegality) {
5601 return (*moveType != IllegalMove);
5603 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5604 // [HGM] lion: if this is a double move we are less critical
5605 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5610 *fromX = *moveType == WhiteDrop ?
5611 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5612 (int) CharToPiece(ToLower(currentMoveString[0]));
5615 *toX = currentMoveString[2] - AAA;
5616 *toY = currentMoveString[3] - ONE;
5617 *promoChar = NULLCHAR;
5621 case ImpossibleMove:
5631 if (appData.debugMode) {
5632 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5635 *fromX = *fromY = *toX = *toY = 0;
5636 *promoChar = NULLCHAR;
5641 Boolean pushed = FALSE;
5642 char *lastParseAttempt;
5645 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5646 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5647 int fromX, fromY, toX, toY; char promoChar;
5652 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5653 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5654 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5657 endPV = forwardMostMove;
5659 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5660 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5661 lastParseAttempt = pv;
5662 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5663 if(!valid && nr == 0 &&
5664 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5665 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5666 // Hande case where played move is different from leading PV move
5667 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5668 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5669 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5670 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5671 endPV += 2; // if position different, keep this
5672 moveList[endPV-1][0] = fromX + AAA;
5673 moveList[endPV-1][1] = fromY + ONE;
5674 moveList[endPV-1][2] = toX + AAA;
5675 moveList[endPV-1][3] = toY + ONE;
5676 parseList[endPV-1][0] = NULLCHAR;
5677 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5680 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5681 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5682 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5683 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5684 valid++; // allow comments in PV
5688 if(endPV+1 > framePtr) break; // no space, truncate
5691 CopyBoard(boards[endPV], boards[endPV-1]);
5692 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5693 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5694 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5695 CoordsToAlgebraic(boards[endPV - 1],
5696 PosFlags(endPV - 1),
5697 fromY, fromX, toY, toX, promoChar,
5698 parseList[endPV - 1]);
5700 if(atEnd == 2) return; // used hidden, for PV conversion
5701 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5702 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5703 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5704 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5705 DrawPosition(TRUE, boards[currentMove]);
5709 MultiPV (ChessProgramState *cps, int kind)
5710 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5712 for(i=0; i<cps->nrOptions; i++) {
5713 char *s = cps->option[i].name;
5714 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5715 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5716 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5721 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5722 static int multi, pv_margin;
5723 static ChessProgramState *activeCps;
5726 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5728 int startPV, lineStart, origIndex = index;
5729 char *p, buf2[MSG_SIZ];
5730 ChessProgramState *cps = (pane ? &second : &first);
5732 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5733 lastX = x; lastY = y;
5734 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5735 lineStart = startPV = index;
5736 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5737 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5739 do{ while(buf[index] && buf[index] != '\n') index++;
5740 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5742 if(lineStart == 0 && gameMode == AnalyzeMode) {
5744 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5745 if(n == 0) { // click not on "fewer" or "more"
5746 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5747 pv_margin = cps->option[multi].value;
5748 activeCps = cps; // non-null signals margin adjustment
5750 } else if((multi = MultiPV(cps, 1)) >= 0) {
5751 n += cps->option[multi].value; if(n < 1) n = 1;
5752 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5753 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5754 cps->option[multi].value = n;
5758 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5759 ExcludeClick(origIndex - lineStart);
5761 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5762 Collapse(origIndex - lineStart);
5765 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5766 *start = startPV; *end = index-1;
5767 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5774 static char buf[10*MSG_SIZ];
5775 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5777 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5778 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5779 for(i = forwardMostMove; i<endPV; i++){
5780 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5781 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5784 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5785 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5786 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5792 LoadPV (int x, int y)
5793 { // called on right mouse click to load PV
5794 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5795 lastX = x; lastY = y;
5796 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5804 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5806 if(pv_margin != activeCps->option[multi].value) {
5808 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5809 SendToProgram(buf, activeCps);
5810 activeCps->option[multi].value = pv_margin;
5815 if(endPV < 0) return;
5816 if(appData.autoCopyPV) CopyFENToClipboard();
5818 if(extendGame && currentMove > forwardMostMove) {
5819 Boolean saveAnimate = appData.animate;
5821 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5822 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5823 } else storedGames--; // abandon shelved tail of original game
5826 forwardMostMove = currentMove;
5827 currentMove = oldFMM;
5828 appData.animate = FALSE;
5829 ToNrEvent(forwardMostMove);
5830 appData.animate = saveAnimate;
5832 currentMove = forwardMostMove;
5833 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5834 ClearPremoveHighlights();
5835 DrawPosition(TRUE, boards[currentMove]);
5839 MovePV (int x, int y, int h)
5840 { // step through PV based on mouse coordinates (called on mouse move)
5841 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5843 if(activeCps) { // adjusting engine's multi-pv margin
5844 if(x > lastX) pv_margin++; else
5845 if(x < lastX) pv_margin -= (pv_margin > 0);
5848 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5849 DisplayMessage(buf, "");
5854 // we must somehow check if right button is still down (might be released off board!)
5855 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5856 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5857 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5859 lastX = x; lastY = y;
5861 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5862 if(endPV < 0) return;
5863 if(y < margin) step = 1; else
5864 if(y > h - margin) step = -1;
5865 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5866 currentMove += step;
5867 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5868 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5869 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5870 DrawPosition(FALSE, boards[currentMove]);
5874 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5875 // All positions will have equal probability, but the current method will not provide a unique
5876 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5882 int piecesLeft[(int)BlackPawn];
5883 int seed, nrOfShuffles;
5886 GetPositionNumber ()
5887 { // sets global variable seed
5890 seed = appData.defaultFrcPosition;
5891 if(seed < 0) { // randomize based on time for negative FRC position numbers
5892 for(i=0; i<50; i++) seed += random();
5893 seed = random() ^ random() >> 8 ^ random() << 8;
5894 if(seed<0) seed = -seed;
5899 put (Board board, int pieceType, int rank, int n, int shade)
5900 // put the piece on the (n-1)-th empty squares of the given shade
5904 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5905 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5906 board[rank][i] = (ChessSquare) pieceType;
5907 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5909 piecesLeft[pieceType]--;
5918 AddOnePiece (Board board, int pieceType, int rank, int shade)
5919 // calculate where the next piece goes, (any empty square), and put it there
5923 i = seed % squaresLeft[shade];
5924 nrOfShuffles *= squaresLeft[shade];
5925 seed /= squaresLeft[shade];
5926 put(board, pieceType, rank, i, shade);
5930 AddTwoPieces (Board board, int pieceType, int rank)
5931 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5933 int i, n=squaresLeft[ANY], j=n-1, k;
5935 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5936 i = seed % k; // pick one
5939 while(i >= j) i -= j--;
5940 j = n - 1 - j; i += j;
5941 put(board, pieceType, rank, j, ANY);
5942 put(board, pieceType, rank, i, ANY);
5946 SetUpShuffle (Board board, int number)
5950 GetPositionNumber(); nrOfShuffles = 1;
5952 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5953 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5954 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5956 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5958 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5959 p = (int) board[0][i];
5960 if(p < (int) BlackPawn) piecesLeft[p] ++;
5961 board[0][i] = EmptySquare;
5964 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5965 // shuffles restricted to allow normal castling put KRR first
5966 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5967 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5968 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5969 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5970 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5971 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5972 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5973 put(board, WhiteRook, 0, 0, ANY);
5974 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5977 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5978 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5979 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5980 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5981 while(piecesLeft[p] >= 2) {
5982 AddOnePiece(board, p, 0, LITE);
5983 AddOnePiece(board, p, 0, DARK);
5985 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5988 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5989 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5990 // but we leave King and Rooks for last, to possibly obey FRC restriction
5991 if(p == (int)WhiteRook) continue;
5992 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5993 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5996 // now everything is placed, except perhaps King (Unicorn) and Rooks
5998 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5999 // Last King gets castling rights
6000 while(piecesLeft[(int)WhiteUnicorn]) {
6001 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6002 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6005 while(piecesLeft[(int)WhiteKing]) {
6006 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6007 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6012 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6013 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6016 // Only Rooks can be left; simply place them all
6017 while(piecesLeft[(int)WhiteRook]) {
6018 i = put(board, WhiteRook, 0, 0, ANY);
6019 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6022 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6024 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6027 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6028 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6031 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6035 ptclen (const char *s, char *escapes)
6038 if(!*escapes) return strlen(s);
6039 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6044 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6045 /* [HGM] moved here from winboard.c because of its general usefulness */
6046 /* Basically a safe strcpy that uses the last character as King */
6048 int result = FALSE; int NrPieces;
6049 unsigned char partner[EmptySquare];
6051 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6052 && NrPieces >= 12 && !(NrPieces&1)) {
6053 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6055 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6056 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6058 if(map[j] == '/') offs = WhitePBishop - i, j++;
6059 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6060 table[i+offs] = map[j++];
6061 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6062 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6063 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6065 table[(int) WhiteKing] = map[j++];
6066 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6068 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6069 i = WHITE_TO_BLACK ii;
6070 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6071 table[i+offs] = map[j++];
6072 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6073 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6074 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6076 table[(int) BlackKing] = map[j++];
6079 if(*escapes) { // set up promotion pairing
6080 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6081 // pieceToChar entirely filled, so we can look up specified partners
6082 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6084 if(c == '^' || c == '-') { // has specified partner
6086 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6087 if(c == '^') table[i] = '+';
6088 if(p < EmptySquare) {
6089 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6090 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6091 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6093 } else if(c == '*') {
6094 table[i] = partner[i];
6095 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6107 SetCharTable (unsigned char *table, const char * map)
6109 return SetCharTableEsc(table, map, "");
6113 Prelude (Board board)
6114 { // [HGM] superchess: random selection of exo-pieces
6115 int i, j, k; ChessSquare p;
6116 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6118 GetPositionNumber(); // use FRC position number
6120 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6121 SetCharTable(pieceToChar, appData.pieceToCharTable);
6122 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6123 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6126 j = seed%4; seed /= 4;
6127 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6128 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6129 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6130 j = seed%3 + (seed%3 >= j); seed /= 3;
6131 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6132 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6133 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6134 j = seed%3; seed /= 3;
6135 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6136 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6137 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6138 j = seed%2 + (seed%2 >= j); seed /= 2;
6139 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6140 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6141 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6142 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6143 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6144 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6145 put(board, exoPieces[0], 0, 0, ANY);
6146 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6150 InitPosition (int redraw)
6152 ChessSquare (* pieces)[BOARD_FILES];
6153 int i, j, pawnRow=1, pieceRows=1, overrule,
6154 oldx = gameInfo.boardWidth,
6155 oldy = gameInfo.boardHeight,
6156 oldh = gameInfo.holdingsWidth;
6159 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6161 /* [AS] Initialize pv info list [HGM] and game status */
6163 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6164 pvInfoList[i].depth = 0;
6165 boards[i][EP_STATUS] = EP_NONE;
6166 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6169 initialRulePlies = 0; /* 50-move counter start */
6171 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6172 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6176 /* [HGM] logic here is completely changed. In stead of full positions */
6177 /* the initialized data only consist of the two backranks. The switch */
6178 /* selects which one we will use, which is than copied to the Board */
6179 /* initialPosition, which for the rest is initialized by Pawns and */
6180 /* empty squares. This initial position is then copied to boards[0], */
6181 /* possibly after shuffling, so that it remains available. */
6183 gameInfo.holdingsWidth = 0; /* default board sizes */
6184 gameInfo.boardWidth = 8;
6185 gameInfo.boardHeight = 8;
6186 gameInfo.holdingsSize = 0;
6187 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6188 for(i=0; i<BOARD_FILES-6; i++)
6189 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6190 initialPosition[EP_STATUS] = EP_NONE;
6191 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6192 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6193 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6194 SetCharTable(pieceNickName, appData.pieceNickNames);
6195 else SetCharTable(pieceNickName, "............");
6198 switch (gameInfo.variant) {
6199 case VariantFischeRandom:
6200 shuffleOpenings = TRUE;
6201 appData.fischerCastling = TRUE;
6204 case VariantShatranj:
6205 pieces = ShatranjArray;
6206 nrCastlingRights = 0;
6207 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6210 pieces = makrukArray;
6211 nrCastlingRights = 0;
6212 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6215 pieces = aseanArray;
6216 nrCastlingRights = 0;
6217 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6219 case VariantTwoKings:
6220 pieces = twoKingsArray;
6223 pieces = GrandArray;
6224 nrCastlingRights = 0;
6225 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6226 gameInfo.boardWidth = 10;
6227 gameInfo.boardHeight = 10;
6228 gameInfo.holdingsSize = 7;
6230 case VariantCapaRandom:
6231 shuffleOpenings = TRUE;
6232 appData.fischerCastling = TRUE;
6233 case VariantCapablanca:
6234 pieces = CapablancaArray;
6235 gameInfo.boardWidth = 10;
6236 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6239 pieces = GothicArray;
6240 gameInfo.boardWidth = 10;
6241 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6244 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6245 gameInfo.holdingsSize = 7;
6246 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6249 pieces = JanusArray;
6250 gameInfo.boardWidth = 10;
6251 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6252 nrCastlingRights = 6;
6253 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6254 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6255 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6256 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6257 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6258 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6261 pieces = FalconArray;
6262 gameInfo.boardWidth = 10;
6263 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6265 case VariantXiangqi:
6266 pieces = XiangqiArray;
6267 gameInfo.boardWidth = 9;
6268 gameInfo.boardHeight = 10;
6269 nrCastlingRights = 0;
6270 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6273 pieces = ShogiArray;
6274 gameInfo.boardWidth = 9;
6275 gameInfo.boardHeight = 9;
6276 gameInfo.holdingsSize = 7;
6277 nrCastlingRights = 0;
6278 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6281 pieces = ChuArray; pieceRows = 3;
6282 gameInfo.boardWidth = 12;
6283 gameInfo.boardHeight = 12;
6284 nrCastlingRights = 0;
6285 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6286 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6287 SetCharTableEsc(pieceToChar, "P.BRQSEXOG...HD..^DLI^HNV........^T..^L.C...A^AFT/^F^G^M.^E^X^O^I.^P.^B^R..M^S^C^VK"
6288 "p.brqsexog...hd..^dli^hnv........^t..^l.c...a^aft/^f^g^m.^e^x^o^i.^p.^b^r..m^s^c^vk", SUFFIXES);
6290 case VariantCourier:
6291 pieces = CourierArray;
6292 gameInfo.boardWidth = 12;
6293 nrCastlingRights = 0;
6294 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6296 case VariantKnightmate:
6297 pieces = KnightmateArray;
6298 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6300 case VariantSpartan:
6301 pieces = SpartanArray;
6302 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6306 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6308 case VariantChuChess:
6309 pieces = ChuChessArray;
6310 gameInfo.boardWidth = 10;
6311 gameInfo.boardHeight = 10;
6312 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6315 pieces = fairyArray;
6316 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6319 pieces = GreatArray;
6320 gameInfo.boardWidth = 10;
6321 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6322 gameInfo.holdingsSize = 8;
6326 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6327 gameInfo.holdingsSize = 8;
6328 startedFromSetupPosition = TRUE;
6330 case VariantCrazyhouse:
6331 case VariantBughouse:
6333 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6334 gameInfo.holdingsSize = 5;
6336 case VariantWildCastle:
6338 /* !!?shuffle with kings guaranteed to be on d or e file */
6339 shuffleOpenings = 1;
6341 case VariantNoCastle:
6343 nrCastlingRights = 0;
6344 /* !!?unconstrained back-rank shuffle */
6345 shuffleOpenings = 1;
6350 if(appData.NrFiles >= 0) {
6351 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6352 gameInfo.boardWidth = appData.NrFiles;
6354 if(appData.NrRanks >= 0) {
6355 gameInfo.boardHeight = appData.NrRanks;
6357 if(appData.holdingsSize >= 0) {
6358 i = appData.holdingsSize;
6359 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6360 gameInfo.holdingsSize = i;
6362 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6363 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6364 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6366 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6367 if(pawnRow < 1) pawnRow = 1;
6368 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6369 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6370 if(gameInfo.variant == VariantChu) pawnRow = 3;
6372 /* User pieceToChar list overrules defaults */
6373 if(appData.pieceToCharTable != NULL)
6374 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6376 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6378 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6379 s = (ChessSquare) 0; /* account holding counts in guard band */
6380 for( i=0; i<BOARD_HEIGHT; i++ )
6381 initialPosition[i][j] = s;
6383 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6384 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6385 initialPosition[pawnRow][j] = WhitePawn;
6386 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6387 if(gameInfo.variant == VariantXiangqi) {
6389 initialPosition[pawnRow][j] =
6390 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6391 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6392 initialPosition[2][j] = WhiteCannon;
6393 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6397 if(gameInfo.variant == VariantChu) {
6398 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6399 initialPosition[pawnRow+1][j] = WhiteCobra,
6400 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6401 for(i=1; i<pieceRows; i++) {
6402 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6403 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6406 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6407 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6408 initialPosition[0][j] = WhiteRook;
6409 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6412 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6414 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6415 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6418 initialPosition[1][j] = WhiteBishop;
6419 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6421 initialPosition[1][j] = WhiteRook;
6422 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6425 if( nrCastlingRights == -1) {
6426 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6427 /* This sets default castling rights from none to normal corners */
6428 /* Variants with other castling rights must set them themselves above */
6429 nrCastlingRights = 6;
6431 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6432 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6433 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6434 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6435 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6436 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6439 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6440 if(gameInfo.variant == VariantGreat) { // promotion commoners
6441 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6442 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6443 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6444 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6446 if( gameInfo.variant == VariantSChess ) {
6447 initialPosition[1][0] = BlackMarshall;
6448 initialPosition[2][0] = BlackAngel;
6449 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6450 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6451 initialPosition[1][1] = initialPosition[2][1] =
6452 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6454 if (appData.debugMode) {
6455 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6457 if(shuffleOpenings) {
6458 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6459 startedFromSetupPosition = TRUE;
6461 if(startedFromPositionFile) {
6462 /* [HGM] loadPos: use PositionFile for every new game */
6463 CopyBoard(initialPosition, filePosition);
6464 for(i=0; i<nrCastlingRights; i++)
6465 initialRights[i] = filePosition[CASTLING][i];
6466 startedFromSetupPosition = TRUE;
6468 if(*appData.men) LoadPieceDesc(appData.men);
6470 CopyBoard(boards[0], initialPosition);
6472 if(oldx != gameInfo.boardWidth ||
6473 oldy != gameInfo.boardHeight ||
6474 oldv != gameInfo.variant ||
6475 oldh != gameInfo.holdingsWidth
6477 InitDrawingSizes(-2 ,0);
6479 oldv = gameInfo.variant;
6481 DrawPosition(TRUE, boards[currentMove]);
6485 SendBoard (ChessProgramState *cps, int moveNum)
6487 char message[MSG_SIZ];
6489 if (cps->useSetboard) {
6490 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6491 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6492 SendToProgram(message, cps);
6497 int i, j, left=0, right=BOARD_WIDTH;
6498 /* Kludge to set black to move, avoiding the troublesome and now
6499 * deprecated "black" command.
6501 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6502 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6504 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6506 SendToProgram("edit\n", cps);
6507 SendToProgram("#\n", cps);
6508 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6509 bp = &boards[moveNum][i][left];
6510 for (j = left; j < right; j++, bp++) {
6511 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6512 if ((int) *bp < (int) BlackPawn) {
6513 if(j == BOARD_RGHT+1)
6514 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6515 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6516 if(message[0] == '+' || message[0] == '~') {
6517 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6518 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6519 AAA + j, ONE + i - '0');
6521 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6522 message[1] = BOARD_RGHT - 1 - j + '1';
6523 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6525 SendToProgram(message, cps);
6530 SendToProgram("c\n", cps);
6531 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6532 bp = &boards[moveNum][i][left];
6533 for (j = left; j < right; j++, bp++) {
6534 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6535 if (((int) *bp != (int) EmptySquare)
6536 && ((int) *bp >= (int) BlackPawn)) {
6537 if(j == BOARD_LEFT-2)
6538 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6539 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6540 AAA + j, ONE + i - '0');
6541 if(message[0] == '+' || message[0] == '~') {
6542 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6543 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6544 AAA + j, ONE + i - '0');
6546 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6547 message[1] = BOARD_RGHT - 1 - j + '1';
6548 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6550 SendToProgram(message, cps);
6555 SendToProgram(".\n", cps);
6557 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6560 char exclusionHeader[MSG_SIZ];
6561 int exCnt, excludePtr;
6562 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6563 static Exclusion excluTab[200];
6564 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6570 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6571 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6577 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6578 excludePtr = 24; exCnt = 0;
6583 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6584 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6585 char buf[2*MOVE_LEN], *p;
6586 Exclusion *e = excluTab;
6588 for(i=0; i<exCnt; i++)
6589 if(e[i].ff == fromX && e[i].fr == fromY &&
6590 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6591 if(i == exCnt) { // was not in exclude list; add it
6592 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6593 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6594 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6597 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6598 excludePtr++; e[i].mark = excludePtr++;
6599 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6602 exclusionHeader[e[i].mark] = state;
6606 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6607 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6611 if((signed char)promoChar == -1) { // kludge to indicate best move
6612 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6613 return 1; // if unparsable, abort
6615 // update exclusion map (resolving toggle by consulting existing state)
6616 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6618 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6619 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6620 excludeMap[k] |= 1<<j;
6621 else excludeMap[k] &= ~(1<<j);
6623 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6625 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6626 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6628 return (state == '+');
6632 ExcludeClick (int index)
6635 Exclusion *e = excluTab;
6636 if(index < 25) { // none, best or tail clicked
6637 if(index < 13) { // none: include all
6638 WriteMap(0); // clear map
6639 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6640 SendToBoth("include all\n"); // and inform engine
6641 } else if(index > 18) { // tail
6642 if(exclusionHeader[19] == '-') { // tail was excluded
6643 SendToBoth("include all\n");
6644 WriteMap(0); // clear map completely
6645 // now re-exclude selected moves
6646 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6647 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6648 } else { // tail was included or in mixed state
6649 SendToBoth("exclude all\n");
6650 WriteMap(0xFF); // fill map completely
6651 // now re-include selected moves
6652 j = 0; // count them
6653 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6654 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6655 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6658 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6661 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6662 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6663 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6670 DefaultPromoChoice (int white)
6673 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6674 gameInfo.variant == VariantMakruk)
6675 result = WhiteFerz; // no choice
6676 else if(gameInfo.variant == VariantASEAN)
6677 result = WhiteRook; // no choice
6678 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6679 result= WhiteKing; // in Suicide Q is the last thing we want
6680 else if(gameInfo.variant == VariantSpartan)
6681 result = white ? WhiteQueen : WhiteAngel;
6682 else result = WhiteQueen;
6683 if(!white) result = WHITE_TO_BLACK result;
6687 static int autoQueen; // [HGM] oneclick
6690 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6692 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6693 /* [HGM] add Shogi promotions */
6694 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6695 ChessSquare piece, partner;
6699 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6700 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6702 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6703 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6706 if(legal[toY][toX] == 4) return FALSE;
6708 piece = boards[currentMove][fromY][fromX];
6709 if(gameInfo.variant == VariantChu) {
6710 promotionZoneSize = BOARD_HEIGHT/3;
6711 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6712 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6713 } else if(gameInfo.variant == VariantShogi) {
6714 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6715 highestPromotingPiece = (int)WhiteAlfil;
6716 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6717 promotionZoneSize = 3;
6720 // Treat Lance as Pawn when it is not representing Amazon or Lance
6721 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6722 if(piece == WhiteLance) piece = WhitePawn; else
6723 if(piece == BlackLance) piece = BlackPawn;
6726 // next weed out all moves that do not touch the promotion zone at all
6727 if((int)piece >= BlackPawn) {
6728 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6730 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6731 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6733 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6734 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6735 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6739 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6741 // weed out mandatory Shogi promotions
6742 if(gameInfo.variant == VariantShogi) {
6743 if(piece >= BlackPawn) {
6744 if(toY == 0 && piece == BlackPawn ||
6745 toY == 0 && piece == BlackQueen ||
6746 toY <= 1 && piece == BlackKnight) {
6751 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6752 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6753 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6760 // weed out obviously illegal Pawn moves
6761 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6762 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6763 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6764 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6765 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6766 // note we are not allowed to test for valid (non-)capture, due to premove
6769 // we either have a choice what to promote to, or (in Shogi) whether to promote
6770 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6771 gameInfo.variant == VariantMakruk) {
6772 ChessSquare p=BlackFerz; // no choice
6773 while(p < EmptySquare) { //but make sure we use piece that exists
6774 *promoChoice = PieceToChar(p++);
6775 if(*promoChoice != '.') break;
6777 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6779 // no sense asking what we must promote to if it is going to explode...
6780 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6781 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6784 // give caller the default choice even if we will not make it
6785 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6786 partner = piece; // pieces can promote if the pieceToCharTable says so
6787 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6788 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6789 if( sweepSelect && gameInfo.variant != VariantGreat
6790 && gameInfo.variant != VariantGrand
6791 && gameInfo.variant != VariantSuper) return FALSE;
6792 if(autoQueen) return FALSE; // predetermined
6794 // suppress promotion popup on illegal moves that are not premoves
6795 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6796 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6797 if(appData.testLegality && !premove) {
6798 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6799 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6800 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6801 if(moveType != WhitePromotion && moveType != BlackPromotion)
6809 InPalace (int row, int column)
6810 { /* [HGM] for Xiangqi */
6811 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6812 column < (BOARD_WIDTH + 4)/2 &&
6813 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6818 PieceForSquare (int x, int y)
6820 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6823 return boards[currentMove][y][x];
6827 OKToStartUserMove (int x, int y)
6829 ChessSquare from_piece;
6832 if (matchMode) return FALSE;
6833 if (gameMode == EditPosition) return TRUE;
6835 if (x >= 0 && y >= 0)
6836 from_piece = boards[currentMove][y][x];
6838 from_piece = EmptySquare;
6840 if (from_piece == EmptySquare) return FALSE;
6842 white_piece = (int)from_piece >= (int)WhitePawn &&
6843 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6847 case TwoMachinesPlay:
6855 case MachinePlaysWhite:
6856 case IcsPlayingBlack:
6857 if (appData.zippyPlay) return FALSE;
6859 DisplayMoveError(_("You are playing Black"));
6864 case MachinePlaysBlack:
6865 case IcsPlayingWhite:
6866 if (appData.zippyPlay) return FALSE;
6868 DisplayMoveError(_("You are playing White"));
6873 case PlayFromGameFile:
6874 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6877 if (!white_piece && WhiteOnMove(currentMove)) {
6878 DisplayMoveError(_("It is White's turn"));
6881 if (white_piece && !WhiteOnMove(currentMove)) {
6882 DisplayMoveError(_("It is Black's turn"));
6885 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6886 /* Editing correspondence game history */
6887 /* Could disallow this or prompt for confirmation */
6892 case BeginningOfGame:
6893 if (appData.icsActive) return FALSE;
6894 if (!appData.noChessProgram) {
6896 DisplayMoveError(_("You are playing White"));
6903 if (!white_piece && WhiteOnMove(currentMove)) {
6904 DisplayMoveError(_("It is White's turn"));
6907 if (white_piece && !WhiteOnMove(currentMove)) {
6908 DisplayMoveError(_("It is Black's turn"));
6917 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6918 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6919 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6920 && gameMode != AnalyzeFile && gameMode != Training) {
6921 DisplayMoveError(_("Displayed position is not current"));
6928 OnlyMove (int *x, int *y, Boolean captures)
6930 DisambiguateClosure cl;
6931 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6933 case MachinePlaysBlack:
6934 case IcsPlayingWhite:
6935 case BeginningOfGame:
6936 if(!WhiteOnMove(currentMove)) return FALSE;
6938 case MachinePlaysWhite:
6939 case IcsPlayingBlack:
6940 if(WhiteOnMove(currentMove)) return FALSE;
6947 cl.pieceIn = EmptySquare;
6952 cl.promoCharIn = NULLCHAR;
6953 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6954 if( cl.kind == NormalMove ||
6955 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6956 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6957 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6964 if(cl.kind != ImpossibleMove) return FALSE;
6965 cl.pieceIn = EmptySquare;
6970 cl.promoCharIn = NULLCHAR;
6971 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6972 if( cl.kind == NormalMove ||
6973 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6974 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6975 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6980 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6986 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6987 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6988 int lastLoadGameUseList = FALSE;
6989 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6990 ChessMove lastLoadGameStart = EndOfFile;
6992 Boolean addToBookFlag;
6993 static Board rightsBoard, nullBoard;
6996 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7000 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7002 /* Check if the user is playing in turn. This is complicated because we
7003 let the user "pick up" a piece before it is his turn. So the piece he
7004 tried to pick up may have been captured by the time he puts it down!
7005 Therefore we use the color the user is supposed to be playing in this
7006 test, not the color of the piece that is currently on the starting
7007 square---except in EditGame mode, where the user is playing both
7008 sides; fortunately there the capture race can't happen. (It can
7009 now happen in IcsExamining mode, but that's just too bad. The user
7010 will get a somewhat confusing message in that case.)
7015 case TwoMachinesPlay:
7019 /* We switched into a game mode where moves are not accepted,
7020 perhaps while the mouse button was down. */
7023 case MachinePlaysWhite:
7024 /* User is moving for Black */
7025 if (WhiteOnMove(currentMove)) {
7026 DisplayMoveError(_("It is White's turn"));
7031 case MachinePlaysBlack:
7032 /* User is moving for White */
7033 if (!WhiteOnMove(currentMove)) {
7034 DisplayMoveError(_("It is Black's turn"));
7039 case PlayFromGameFile:
7040 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7043 case BeginningOfGame:
7046 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7047 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7048 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7049 /* User is moving for Black */
7050 if (WhiteOnMove(currentMove)) {
7051 DisplayMoveError(_("It is White's turn"));
7055 /* User is moving for White */
7056 if (!WhiteOnMove(currentMove)) {
7057 DisplayMoveError(_("It is Black's turn"));
7063 case IcsPlayingBlack:
7064 /* User is moving for Black */
7065 if (WhiteOnMove(currentMove)) {
7066 if (!appData.premove) {
7067 DisplayMoveError(_("It is White's turn"));
7068 } else if (toX >= 0 && toY >= 0) {
7071 premoveFromX = fromX;
7072 premoveFromY = fromY;
7073 premovePromoChar = promoChar;
7075 if (appData.debugMode)
7076 fprintf(debugFP, "Got premove: fromX %d,"
7077 "fromY %d, toX %d, toY %d\n",
7078 fromX, fromY, toX, toY);
7080 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7085 case IcsPlayingWhite:
7086 /* User is moving for White */
7087 if (!WhiteOnMove(currentMove)) {
7088 if (!appData.premove) {
7089 DisplayMoveError(_("It is Black's turn"));
7090 } else if (toX >= 0 && toY >= 0) {
7093 premoveFromX = fromX;
7094 premoveFromY = fromY;
7095 premovePromoChar = promoChar;
7097 if (appData.debugMode)
7098 fprintf(debugFP, "Got premove: fromX %d,"
7099 "fromY %d, toX %d, toY %d\n",
7100 fromX, fromY, toX, toY);
7102 DrawPosition(TRUE, boards[currentMove]);
7111 /* EditPosition, empty square, or different color piece;
7112 click-click move is possible */
7113 if (toX == -2 || toY == -2) {
7114 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7115 DrawPosition(FALSE, boards[currentMove]);
7117 } else if (toX >= 0 && toY >= 0) {
7118 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7119 ChessSquare p = boards[0][rf][ff];
7120 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7121 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7122 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7123 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7124 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7127 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7128 boards[0][toY][toX] = boards[0][fromY][fromX];
7129 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7130 if(boards[0][fromY][0] != EmptySquare) {
7131 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7132 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7135 if(fromX == BOARD_RGHT+1) {
7136 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7137 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7138 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7141 boards[0][fromY][fromX] = gatingPiece;
7143 DrawPosition(FALSE, boards[currentMove]);
7149 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7150 pup = boards[currentMove][toY][toX];
7152 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7153 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7154 if( pup != EmptySquare ) return;
7155 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7156 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7157 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7158 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7159 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7160 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7161 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7165 /* [HGM] always test for legality, to get promotion info */
7166 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7167 fromY, fromX, toY, toX, promoChar);
7169 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7171 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7173 /* [HGM] but possibly ignore an IllegalMove result */
7174 if (appData.testLegality) {
7175 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7176 DisplayMoveError(_("Illegal move"));
7181 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7182 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7183 ClearPremoveHighlights(); // was included
7184 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7185 DrawPosition(FALSE, NULL);
7189 if(addToBookFlag) { // adding moves to book
7190 char buf[MSG_SIZ], move[MSG_SIZ];
7191 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7192 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7193 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7194 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7196 addToBookFlag = FALSE;
7201 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7204 /* Common tail of UserMoveEvent and DropMenuEvent */
7206 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7210 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7211 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7212 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7213 if(WhiteOnMove(currentMove)) {
7214 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7216 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7220 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7221 move type in caller when we know the move is a legal promotion */
7222 if(moveType == NormalMove && promoChar)
7223 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7225 /* [HGM] <popupFix> The following if has been moved here from
7226 UserMoveEvent(). Because it seemed to belong here (why not allow
7227 piece drops in training games?), and because it can only be
7228 performed after it is known to what we promote. */
7229 if (gameMode == Training) {
7230 /* compare the move played on the board to the next move in the
7231 * game. If they match, display the move and the opponent's response.
7232 * If they don't match, display an error message.
7236 CopyBoard(testBoard, boards[currentMove]);
7237 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7239 if (CompareBoards(testBoard, boards[currentMove+1])) {
7240 ForwardInner(currentMove+1);
7242 /* Autoplay the opponent's response.
7243 * if appData.animate was TRUE when Training mode was entered,
7244 * the response will be animated.
7246 saveAnimate = appData.animate;
7247 appData.animate = animateTraining;
7248 ForwardInner(currentMove+1);
7249 appData.animate = saveAnimate;
7251 /* check for the end of the game */
7252 if (currentMove >= forwardMostMove) {
7253 gameMode = PlayFromGameFile;
7255 SetTrainingModeOff();
7256 DisplayInformation(_("End of game"));
7259 DisplayError(_("Incorrect move"), 0);
7264 /* Ok, now we know that the move is good, so we can kill
7265 the previous line in Analysis Mode */
7266 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7267 && currentMove < forwardMostMove) {
7268 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7269 else forwardMostMove = currentMove;
7274 /* If we need the chess program but it's dead, restart it */
7275 ResurrectChessProgram();
7277 /* A user move restarts a paused game*/
7281 thinkOutput[0] = NULLCHAR;
7283 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7285 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7286 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7290 if (gameMode == BeginningOfGame) {
7291 if (appData.noChessProgram) {
7292 gameMode = EditGame;
7296 gameMode = MachinePlaysBlack;
7299 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7301 if (first.sendName) {
7302 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7303 SendToProgram(buf, &first);
7310 /* Relay move to ICS or chess engine */
7311 if (appData.icsActive) {
7312 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7313 gameMode == IcsExamining) {
7314 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7315 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7317 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7319 // also send plain move, in case ICS does not understand atomic claims
7320 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7324 if (first.sendTime && (gameMode == BeginningOfGame ||
7325 gameMode == MachinePlaysWhite ||
7326 gameMode == MachinePlaysBlack)) {
7327 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7329 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7330 // [HGM] book: if program might be playing, let it use book
7331 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7332 first.maybeThinking = TRUE;
7333 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7334 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7335 SendBoard(&first, currentMove+1);
7336 if(second.analyzing) {
7337 if(!second.useSetboard) SendToProgram("undo\n", &second);
7338 SendBoard(&second, currentMove+1);
7341 SendMoveToProgram(forwardMostMove-1, &first);
7342 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7344 if (currentMove == cmailOldMove + 1) {
7345 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7349 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7353 if(appData.testLegality)
7354 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7360 if (WhiteOnMove(currentMove)) {
7361 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7363 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7367 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7372 case MachinePlaysBlack:
7373 case MachinePlaysWhite:
7374 /* disable certain menu options while machine is thinking */
7375 SetMachineThinkingEnables();
7382 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7383 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7385 if(bookHit) { // [HGM] book: simulate book reply
7386 static char bookMove[MSG_SIZ]; // a bit generous?
7388 programStats.nodes = programStats.depth = programStats.time =
7389 programStats.score = programStats.got_only_move = 0;
7390 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7392 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7393 strcat(bookMove, bookHit);
7394 HandleMachineMove(bookMove, &first);
7400 MarkByFEN(char *fen)
7403 if(!appData.markers || !appData.highlightDragging) return;
7404 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7405 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7408 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7409 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7410 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7411 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7412 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7413 if(*fen == 'T') marker[r][f++] = 0; else
7414 if(*fen == 'Y') marker[r][f++] = 1; else
7415 if(*fen == 'G') marker[r][f++] = 3; else
7416 if(*fen == 'B') marker[r][f++] = 4; else
7417 if(*fen == 'C') marker[r][f++] = 5; else
7418 if(*fen == 'M') marker[r][f++] = 6; else
7419 if(*fen == 'W') marker[r][f++] = 7; else
7420 if(*fen == 'D') marker[r][f++] = 8; else
7421 if(*fen == 'R') marker[r][f++] = 2; else {
7422 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7425 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7429 DrawPosition(TRUE, NULL);
7432 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7435 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7437 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7438 Markers *m = (Markers *) closure;
7439 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7440 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7441 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7442 || kind == WhiteCapturesEnPassant
7443 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7444 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7447 static int hoverSavedValid;
7450 MarkTargetSquares (int clear)
7453 if(clear) { // no reason to ever suppress clearing
7454 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7455 hoverSavedValid = 0;
7456 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7459 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7460 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7461 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7462 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7463 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7465 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7468 DrawPosition(FALSE, NULL);
7472 Explode (Board board, int fromX, int fromY, int toX, int toY)
7474 if(gameInfo.variant == VariantAtomic &&
7475 (board[toY][toX] != EmptySquare || // capture?
7476 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7477 board[fromY][fromX] == BlackPawn )
7479 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7485 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7488 CanPromote (ChessSquare piece, int y)
7490 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7491 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7492 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7493 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7494 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7495 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7496 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7497 return (piece == BlackPawn && y <= zone ||
7498 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7499 piece == BlackLance && y <= zone ||
7500 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7504 HoverEvent (int xPix, int yPix, int x, int y)
7506 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7508 if(!first.highlight) return;
7509 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7510 if(x == oldX && y == oldY) return; // only do something if we enter new square
7511 oldFromX = fromX; oldFromY = fromY;
7512 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7513 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7514 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7515 hoverSavedValid = 1;
7516 } else if(oldX != x || oldY != y) {
7517 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7518 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7519 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7520 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7521 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7523 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7524 SendToProgram(buf, &first);
7527 // SetHighlights(fromX, fromY, x, y);
7531 void ReportClick(char *action, int x, int y)
7533 char buf[MSG_SIZ]; // Inform engine of what user does
7535 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7536 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7537 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7538 if(!first.highlight || gameMode == EditPosition) return;
7539 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7540 SendToProgram(buf, &first);
7543 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7544 Boolean deferChoice;
7547 LeftClick (ClickType clickType, int xPix, int yPix)
7550 static Boolean saveAnimate;
7551 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7552 char promoChoice = NULLCHAR;
7554 static TimeMark lastClickTime, prevClickTime;
7556 if(flashing) return;
7558 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7559 x = EventToSquare(xPix, BOARD_WIDTH);
7560 y = EventToSquare(yPix, BOARD_HEIGHT);
7561 if (!flipView && y >= 0) {
7562 y = BOARD_HEIGHT - 1 - y;
7564 if (flipView && x >= 0) {
7565 x = BOARD_WIDTH - 1 - x;
7568 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7570 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7575 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7577 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7579 if (clickType == Press) ErrorPopDown();
7580 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7582 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7583 defaultPromoChoice = promoSweep;
7584 promoSweep = EmptySquare; // terminate sweep
7585 promoDefaultAltered = TRUE;
7586 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7589 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7590 if(clickType == Release) return; // ignore upclick of click-click destination
7591 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7592 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7593 if(gameInfo.holdingsWidth &&
7594 (WhiteOnMove(currentMove)
7595 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7596 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7597 // click in right holdings, for determining promotion piece
7598 ChessSquare p = boards[currentMove][y][x];
7599 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7600 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7601 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7602 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7607 DrawPosition(FALSE, boards[currentMove]);
7611 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7612 if(clickType == Press
7613 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7614 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7615 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7618 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7619 // could be static click on premove from-square: abort premove
7621 ClearPremoveHighlights();
7624 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7625 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7627 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7628 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7629 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7630 defaultPromoChoice = DefaultPromoChoice(side);
7633 autoQueen = appData.alwaysPromoteToQueen;
7637 gatingPiece = EmptySquare;
7638 if (clickType != Press) {
7639 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7640 DragPieceEnd(xPix, yPix); dragging = 0;
7641 DrawPosition(FALSE, NULL);
7645 doubleClick = FALSE;
7646 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7647 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7649 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7650 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7651 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7652 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7654 if (OKToStartUserMove(fromX, fromY)) {
7656 ReportClick("lift", x, y);
7657 MarkTargetSquares(0);
7658 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7659 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7660 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7661 promoSweep = defaultPromoChoice;
7662 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7663 Sweep(0); // Pawn that is going to promote: preview promotion piece
7664 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7666 if (appData.highlightDragging) {
7667 SetHighlights(fromX, fromY, -1, -1);
7671 } else fromX = fromY = -1;
7677 if (clickType == Press && gameMode != EditPosition) {
7682 // ignore off-board to clicks
7683 if(y < 0 || x < 0) return;
7685 /* Check if clicking again on the same color piece */
7686 fromP = boards[currentMove][fromY][fromX];
7687 toP = boards[currentMove][y][x];
7688 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7689 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7690 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7691 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7692 WhitePawn <= toP && toP <= WhiteKing &&
7693 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7694 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7695 (BlackPawn <= fromP && fromP <= BlackKing &&
7696 BlackPawn <= toP && toP <= BlackKing &&
7697 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7698 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7699 /* Clicked again on same color piece -- changed his mind */
7700 second = (x == fromX && y == fromY);
7701 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7702 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7703 second = FALSE; // first double-click rather than scond click
7704 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7706 promoDefaultAltered = FALSE;
7707 if(!second) MarkTargetSquares(1);
7708 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7709 if (appData.highlightDragging) {
7710 SetHighlights(x, y, -1, -1);
7714 if (OKToStartUserMove(x, y)) {
7715 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7716 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7717 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7718 gatingPiece = boards[currentMove][fromY][fromX];
7719 else gatingPiece = doubleClick ? fromP : EmptySquare;
7721 fromY = y; dragging = 1;
7722 if(!second) ReportClick("lift", x, y);
7723 MarkTargetSquares(0);
7724 DragPieceBegin(xPix, yPix, FALSE);
7725 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7726 promoSweep = defaultPromoChoice;
7727 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7728 Sweep(0); // Pawn that is going to promote: preview promotion piece
7732 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7735 // ignore clicks on holdings
7736 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7739 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7740 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7741 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7745 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7746 DragPieceEnd(xPix, yPix); dragging = 0;
7748 // a deferred attempt to click-click move an empty square on top of a piece
7749 boards[currentMove][y][x] = EmptySquare;
7751 DrawPosition(FALSE, boards[currentMove]);
7752 fromX = fromY = -1; clearFlag = 0;
7755 if (appData.animateDragging) {
7756 /* Undo animation damage if any */
7757 DrawPosition(FALSE, NULL);
7760 /* Second up/down in same square; just abort move */
7763 gatingPiece = EmptySquare;
7766 ClearPremoveHighlights();
7767 MarkTargetSquares(-1);
7768 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7770 /* First upclick in same square; start click-click mode */
7771 SetHighlights(x, y, -1, -1);
7778 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7779 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7780 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7781 DisplayMessage(_("only marked squares are legal"),"");
7782 DrawPosition(TRUE, NULL);
7783 return; // ignore to-click
7786 /* we now have a different from- and (possibly off-board) to-square */
7787 /* Completed move */
7788 if(!sweepSelecting) {
7793 piece = boards[currentMove][fromY][fromX];
7795 saveAnimate = appData.animate;
7796 if (clickType == Press) {
7797 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7798 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7799 // must be Edit Position mode with empty-square selected
7800 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7801 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7804 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7807 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7808 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7810 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7811 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7812 if(appData.sweepSelect) {
7813 promoSweep = defaultPromoChoice;
7814 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7815 selectFlag = 0; lastX = xPix; lastY = yPix;
7816 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7817 saveFlash = appData.flashCount; appData.flashCount = 0;
7818 Sweep(0); // Pawn that is going to promote: preview promotion piece
7820 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7821 MarkTargetSquares(1);
7823 return; // promo popup appears on up-click
7825 /* Finish clickclick move */
7826 if (appData.animate || appData.highlightLastMove) {
7827 SetHighlights(fromX, fromY, toX, toY);
7831 MarkTargetSquares(1);
7832 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7833 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7834 *promoRestrict = 0; appData.flashCount = saveFlash;
7835 if (appData.animate || appData.highlightLastMove) {
7836 SetHighlights(fromX, fromY, toX, toY);
7840 MarkTargetSquares(1);
7843 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7844 /* Finish drag move */
7845 if (appData.highlightLastMove) {
7846 SetHighlights(fromX, fromY, toX, toY);
7851 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7852 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7853 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7854 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7855 dragging *= 2; // flag button-less dragging if we are dragging
7856 MarkTargetSquares(1);
7857 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7859 kill2X = killX; kill2Y = killY;
7860 killX = x; killY = y; // remember this square as intermediate
7861 ReportClick("put", x, y); // and inform engine
7862 ReportClick("lift", x, y);
7863 MarkTargetSquares(0);
7867 DragPieceEnd(xPix, yPix); dragging = 0;
7868 /* Don't animate move and drag both */
7869 appData.animate = FALSE;
7870 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7873 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7874 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7875 ChessSquare piece = boards[currentMove][fromY][fromX];
7876 if(gameMode == EditPosition && piece != EmptySquare &&
7877 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7880 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7881 n = PieceToNumber(piece - (int)BlackPawn);
7882 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7883 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7884 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7886 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7887 n = PieceToNumber(piece);
7888 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7889 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7890 boards[currentMove][n][BOARD_WIDTH-2]++;
7892 boards[currentMove][fromY][fromX] = EmptySquare;
7896 MarkTargetSquares(1);
7897 DrawPosition(TRUE, boards[currentMove]);
7901 // off-board moves should not be highlighted
7902 if(x < 0 || y < 0) {
7904 DrawPosition(FALSE, NULL);
7905 } else ReportClick("put", x, y);
7907 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7910 if(legal[toY][toX] == 2) { // highlight-induced promotion
7911 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7912 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7913 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7914 if(!*promoRestrict) { // but has not done that yet
7915 deferChoice = TRUE; // set up retry for when it does
7916 return; // and wait for that
7918 promoChoice = ToLower(*promoRestrict); // force engine's choice
7919 deferChoice = FALSE;
7922 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7923 SetHighlights(fromX, fromY, toX, toY);
7924 MarkTargetSquares(1);
7925 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7926 // [HGM] super: promotion to captured piece selected from holdings
7927 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7928 promotionChoice = TRUE;
7929 // kludge follows to temporarily execute move on display, without promoting yet
7930 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7931 boards[currentMove][toY][toX] = p;
7932 DrawPosition(FALSE, boards[currentMove]);
7933 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7934 boards[currentMove][toY][toX] = q;
7935 DisplayMessage("Click in holdings to choose piece", "");
7938 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7939 PromotionPopUp(promoChoice);
7941 int oldMove = currentMove;
7942 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7943 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7944 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7945 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7946 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7947 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7948 DrawPosition(TRUE, boards[currentMove]);
7949 else DrawPosition(FALSE, NULL);
7953 appData.animate = saveAnimate;
7954 if (appData.animate || appData.animateDragging) {
7955 /* Undo animation damage if needed */
7956 // DrawPosition(FALSE, NULL);
7961 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7962 { // front-end-free part taken out of PieceMenuPopup
7963 int whichMenu; int xSqr, ySqr;
7965 if(seekGraphUp) { // [HGM] seekgraph
7966 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7967 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7971 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7972 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7973 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7974 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7975 if(action == Press) {
7976 originalFlip = flipView;
7977 flipView = !flipView; // temporarily flip board to see game from partners perspective
7978 DrawPosition(TRUE, partnerBoard);
7979 DisplayMessage(partnerStatus, "");
7981 } else if(action == Release) {
7982 flipView = originalFlip;
7983 DrawPosition(TRUE, boards[currentMove]);
7989 xSqr = EventToSquare(x, BOARD_WIDTH);
7990 ySqr = EventToSquare(y, BOARD_HEIGHT);
7991 if (action == Release) {
7992 if(pieceSweep != EmptySquare) {
7993 EditPositionMenuEvent(pieceSweep, toX, toY);
7994 pieceSweep = EmptySquare;
7995 } else UnLoadPV(); // [HGM] pv
7997 if (action != Press) return -2; // return code to be ignored
8000 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8002 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8003 if (xSqr < 0 || ySqr < 0) return -1;
8004 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8005 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8006 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8007 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8011 if(!appData.icsEngineAnalyze) return -1;
8012 case IcsPlayingWhite:
8013 case IcsPlayingBlack:
8014 if(!appData.zippyPlay) goto noZip;
8017 case MachinePlaysWhite:
8018 case MachinePlaysBlack:
8019 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8020 if (!appData.dropMenu) {
8022 return 2; // flag front-end to grab mouse events
8024 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8025 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8028 if (xSqr < 0 || ySqr < 0) return -1;
8029 if (!appData.dropMenu || appData.testLegality &&
8030 gameInfo.variant != VariantBughouse &&
8031 gameInfo.variant != VariantCrazyhouse) return -1;
8032 whichMenu = 1; // drop menu
8038 if (((*fromX = xSqr) < 0) ||
8039 ((*fromY = ySqr) < 0)) {
8040 *fromX = *fromY = -1;
8044 *fromX = BOARD_WIDTH - 1 - *fromX;
8046 *fromY = BOARD_HEIGHT - 1 - *fromY;
8052 Wheel (int dir, int x, int y)
8054 if(gameMode == EditPosition) {
8055 int xSqr = EventToSquare(x, BOARD_WIDTH);
8056 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8057 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8058 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8060 boards[currentMove][ySqr][xSqr] += dir;
8061 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8062 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8063 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8064 DrawPosition(FALSE, boards[currentMove]);
8065 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8069 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8071 // char * hint = lastHint;
8072 FrontEndProgramStats stats;
8074 stats.which = cps == &first ? 0 : 1;
8075 stats.depth = cpstats->depth;
8076 stats.nodes = cpstats->nodes;
8077 stats.score = cpstats->score;
8078 stats.time = cpstats->time;
8079 stats.pv = cpstats->movelist;
8080 stats.hint = lastHint;
8081 stats.an_move_index = 0;
8082 stats.an_move_count = 0;
8084 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8085 stats.hint = cpstats->move_name;
8086 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8087 stats.an_move_count = cpstats->nr_moves;
8090 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
8092 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8093 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8095 SetProgramStats( &stats );
8099 ClearEngineOutputPane (int which)
8101 static FrontEndProgramStats dummyStats;
8102 dummyStats.which = which;
8103 dummyStats.pv = "#";
8104 SetProgramStats( &dummyStats );
8107 #define MAXPLAYERS 500
8110 TourneyStandings (int display)
8112 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8113 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8114 char result, *p, *names[MAXPLAYERS];
8116 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8117 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8118 names[0] = p = strdup(appData.participants);
8119 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8121 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8123 while(result = appData.results[nr]) {
8124 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8125 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8126 wScore = bScore = 0;
8128 case '+': wScore = 2; break;
8129 case '-': bScore = 2; break;
8130 case '=': wScore = bScore = 1; break;
8132 case '*': return strdup("busy"); // tourney not finished
8140 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8141 for(w=0; w<nPlayers; w++) {
8143 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8144 ranking[w] = b; points[w] = bScore; score[b] = -2;
8146 p = malloc(nPlayers*34+1);
8147 for(w=0; w<nPlayers && w<display; w++)
8148 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8154 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8155 { // count all piece types
8157 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8158 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8159 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8162 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8163 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8164 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8165 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8166 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8167 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8172 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8174 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8175 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8177 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8178 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8179 if(myPawns == 2 && nMine == 3) // KPP
8180 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8181 if(myPawns == 1 && nMine == 2) // KP
8182 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8183 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8184 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8185 if(myPawns) return FALSE;
8186 if(pCnt[WhiteRook+side])
8187 return pCnt[BlackRook-side] ||
8188 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8189 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8190 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8191 if(pCnt[WhiteCannon+side]) {
8192 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8193 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8195 if(pCnt[WhiteKnight+side])
8196 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8201 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8203 VariantClass v = gameInfo.variant;
8205 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8206 if(v == VariantShatranj) return TRUE; // always winnable through baring
8207 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8208 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8210 if(v == VariantXiangqi) {
8211 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8213 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8214 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8215 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8216 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8217 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8218 if(stale) // we have at least one last-rank P plus perhaps C
8219 return majors // KPKX
8220 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8222 return pCnt[WhiteFerz+side] // KCAK
8223 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8224 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8225 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8227 } else if(v == VariantKnightmate) {
8228 if(nMine == 1) return FALSE;
8229 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8230 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8231 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8233 if(nMine == 1) return FALSE; // bare King
8234 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
8235 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8236 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8237 // by now we have King + 1 piece (or multiple Bishops on the same color)
8238 if(pCnt[WhiteKnight+side])
8239 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8240 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8241 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8243 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8244 if(pCnt[WhiteAlfil+side])
8245 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8246 if(pCnt[WhiteWazir+side])
8247 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8254 CompareWithRights (Board b1, Board b2)
8257 if(!CompareBoards(b1, b2)) return FALSE;
8258 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8259 /* compare castling rights */
8260 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8261 rights++; /* King lost rights, while rook still had them */
8262 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8263 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8264 rights++; /* but at least one rook lost them */
8266 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8268 if( b1[CASTLING][5] != NoRights ) {
8269 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8276 Adjudicate (ChessProgramState *cps)
8277 { // [HGM] some adjudications useful with buggy engines
8278 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8279 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8280 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8281 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8282 int k, drop, count = 0; static int bare = 1;
8283 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8284 Boolean canAdjudicate = !appData.icsActive;
8286 // most tests only when we understand the game, i.e. legality-checking on
8287 if( appData.testLegality )
8288 { /* [HGM] Some more adjudications for obstinate engines */
8289 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8290 static int moveCount = 6;
8292 char *reason = NULL;
8294 /* Count what is on board. */
8295 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8297 /* Some material-based adjudications that have to be made before stalemate test */
8298 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8299 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8300 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8301 if(canAdjudicate && appData.checkMates) {
8303 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8304 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8305 "Xboard adjudication: King destroyed", GE_XBOARD );
8310 /* Bare King in Shatranj (loses) or Losers (wins) */
8311 if( nrW == 1 || nrB == 1) {
8312 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8313 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8314 if(canAdjudicate && appData.checkMates) {
8316 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8317 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8318 "Xboard adjudication: Bare king", GE_XBOARD );
8322 if( gameInfo.variant == VariantShatranj && --bare < 0)
8324 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8325 if(canAdjudicate && appData.checkMates) {
8326 /* but only adjudicate if adjudication enabled */
8328 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8329 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8330 "Xboard adjudication: Bare king", GE_XBOARD );
8337 // don't wait for engine to announce game end if we can judge ourselves
8338 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8340 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8341 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8342 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8343 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8346 reason = "Xboard adjudication: 3rd check";
8347 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8358 reason = "Xboard adjudication: Stalemate";
8359 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8360 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8361 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8362 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8363 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8364 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8365 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8366 EP_CHECKMATE : EP_WINS);
8367 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8368 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8372 reason = "Xboard adjudication: Checkmate";
8373 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8374 if(gameInfo.variant == VariantShogi) {
8375 if(forwardMostMove > backwardMostMove
8376 && moveList[forwardMostMove-1][1] == '@'
8377 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8378 reason = "XBoard adjudication: pawn-drop mate";
8379 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8385 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8387 result = GameIsDrawn; break;
8389 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8391 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8395 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8397 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8398 GameEnds( result, reason, GE_XBOARD );
8402 /* Next absolutely insufficient mating material. */
8403 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8404 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8405 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8407 /* always flag draws, for judging claims */
8408 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8410 if(canAdjudicate && appData.materialDraws) {
8411 /* but only adjudicate them if adjudication enabled */
8412 if(engineOpponent) {
8413 SendToProgram("force\n", engineOpponent); // suppress reply
8414 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8416 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8421 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8422 if(gameInfo.variant == VariantXiangqi ?
8423 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8425 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8426 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8427 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8428 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8430 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8431 { /* if the first 3 moves do not show a tactical win, declare draw */
8432 if(engineOpponent) {
8433 SendToProgram("force\n", engineOpponent); // suppress reply
8434 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8436 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8439 } else moveCount = 6;
8442 // Repetition draws and 50-move rule can be applied independently of legality testing
8444 /* Check for rep-draws */
8446 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8447 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8448 for(k = forwardMostMove-2;
8449 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8450 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8451 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8454 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8455 /* compare castling rights */
8456 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8457 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8458 rights++; /* King lost rights, while rook still had them */
8459 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8460 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8461 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8462 rights++; /* but at least one rook lost them */
8464 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8465 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8467 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8468 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8469 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8472 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8473 && appData.drawRepeats > 1) {
8474 /* adjudicate after user-specified nr of repeats */
8475 int result = GameIsDrawn;
8476 char *details = "XBoard adjudication: repetition draw";
8477 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8478 // [HGM] xiangqi: check for forbidden perpetuals
8479 int m, ourPerpetual = 1, hisPerpetual = 1;
8480 for(m=forwardMostMove; m>k; m-=2) {
8481 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8482 ourPerpetual = 0; // the current mover did not always check
8483 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8484 hisPerpetual = 0; // the opponent did not always check
8486 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8487 ourPerpetual, hisPerpetual);
8488 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8489 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8490 details = "Xboard adjudication: perpetual checking";
8492 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8493 break; // (or we would have caught him before). Abort repetition-checking loop.
8495 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8496 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8498 details = "Xboard adjudication: repetition";
8500 } else // it must be XQ
8501 // Now check for perpetual chases
8502 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8503 hisPerpetual = PerpetualChase(k, forwardMostMove);
8504 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8505 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8506 static char resdet[MSG_SIZ];
8507 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8509 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8511 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8512 break; // Abort repetition-checking loop.
8514 // if neither of us is checking or chasing all the time, or both are, it is draw
8516 if(engineOpponent) {
8517 SendToProgram("force\n", engineOpponent); // suppress reply
8518 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8520 GameEnds( result, details, GE_XBOARD );
8523 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8524 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8528 /* Now we test for 50-move draws. Determine ply count */
8529 count = forwardMostMove;
8530 /* look for last irreversble move */
8531 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8533 /* if we hit starting position, add initial plies */
8534 if( count == backwardMostMove )
8535 count -= initialRulePlies;
8536 count = forwardMostMove - count;
8537 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8538 // adjust reversible move counter for checks in Xiangqi
8539 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8540 if(i < backwardMostMove) i = backwardMostMove;
8541 while(i <= forwardMostMove) {
8542 lastCheck = inCheck; // check evasion does not count
8543 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8544 if(inCheck || lastCheck) count--; // check does not count
8549 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8550 /* this is used to judge if draw claims are legal */
8551 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8552 if(engineOpponent) {
8553 SendToProgram("force\n", engineOpponent); // suppress reply
8554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8556 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8560 /* if draw offer is pending, treat it as a draw claim
8561 * when draw condition present, to allow engines a way to
8562 * claim draws before making their move to avoid a race
8563 * condition occurring after their move
8565 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8567 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8568 p = "Draw claim: 50-move rule";
8569 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8570 p = "Draw claim: 3-fold repetition";
8571 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8572 p = "Draw claim: insufficient mating material";
8573 if( p != NULL && canAdjudicate) {
8574 if(engineOpponent) {
8575 SendToProgram("force\n", engineOpponent); // suppress reply
8576 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8578 GameEnds( GameIsDrawn, p, GE_XBOARD );
8583 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8584 if(engineOpponent) {
8585 SendToProgram("force\n", engineOpponent); // suppress reply
8586 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8588 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8594 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8595 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8596 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8601 int pieces[10], squares[10], cnt=0, r, f, res;
8603 static PPROBE_EGBB probeBB;
8604 if(!appData.testLegality) return 10;
8605 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8606 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8607 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8608 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8609 ChessSquare piece = boards[forwardMostMove][r][f];
8610 int black = (piece >= BlackPawn);
8611 int type = piece - black*BlackPawn;
8612 if(piece == EmptySquare) continue;
8613 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8614 if(type == WhiteKing) type = WhiteQueen + 1;
8615 type = egbbCode[type];
8616 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8617 pieces[cnt] = type + black*6;
8618 if(++cnt > 5) return 11;
8620 pieces[cnt] = squares[cnt] = 0;
8622 if(loaded == 2) return 13; // loading failed before
8624 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8627 loaded = 2; // prepare for failure
8628 if(!path) return 13; // no egbb installed
8629 strncpy(buf, path + 8, MSG_SIZ);
8630 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8631 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8632 lib = LoadLibrary(buf);
8633 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8634 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8635 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8636 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8637 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8638 loaded = 1; // success!
8640 res = probeBB(forwardMostMove & 1, pieces, squares);
8641 return res > 0 ? 1 : res < 0 ? -1 : 0;
8645 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8646 { // [HGM] book: this routine intercepts moves to simulate book replies
8647 char *bookHit = NULL;
8649 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8651 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8652 SendToProgram(buf, cps);
8654 //first determine if the incoming move brings opponent into his book
8655 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8656 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8657 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8658 if(bookHit != NULL && !cps->bookSuspend) {
8659 // make sure opponent is not going to reply after receiving move to book position
8660 SendToProgram("force\n", cps);
8661 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8663 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8664 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8665 // now arrange restart after book miss
8667 // after a book hit we never send 'go', and the code after the call to this routine
8668 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8669 char buf[MSG_SIZ], *move = bookHit;
8671 int fromX, fromY, toX, toY;
8675 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8676 &fromX, &fromY, &toX, &toY, &promoChar)) {
8677 (void) CoordsToAlgebraic(boards[forwardMostMove],
8678 PosFlags(forwardMostMove),
8679 fromY, fromX, toY, toX, promoChar, move);
8681 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8685 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8686 SendToProgram(buf, cps);
8687 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8688 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8689 SendToProgram("go\n", cps);
8690 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8691 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8692 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8693 SendToProgram("go\n", cps);
8694 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8696 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8700 LoadError (char *errmess, ChessProgramState *cps)
8701 { // unloads engine and switches back to -ncp mode if it was first
8702 if(cps->initDone) return FALSE;
8703 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8704 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8707 appData.noChessProgram = TRUE;
8708 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8709 gameMode = BeginningOfGame; ModeHighlight();
8712 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8713 DisplayMessage("", ""); // erase waiting message
8714 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8719 ChessProgramState *savedState;
8721 DeferredBookMove (void)
8723 if(savedState->lastPing != savedState->lastPong)
8724 ScheduleDelayedEvent(DeferredBookMove, 10);
8726 HandleMachineMove(savedMessage, savedState);
8729 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8730 static ChessProgramState *stalledEngine;
8731 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8734 HandleMachineMove (char *message, ChessProgramState *cps)
8736 static char firstLeg[20], legs;
8737 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8738 char realname[MSG_SIZ];
8739 int fromX, fromY, toX, toY;
8741 char promoChar, roar;
8746 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8747 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8748 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8749 DisplayError(_("Invalid pairing from pairing engine"), 0);
8752 pairingReceived = 1;
8754 return; // Skim the pairing messages here.
8757 oldError = cps->userError; cps->userError = 0;
8759 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8761 * Kludge to ignore BEL characters
8763 while (*message == '\007') message++;
8766 * [HGM] engine debug message: ignore lines starting with '#' character
8768 if(cps->debug && *message == '#') return;
8771 * Look for book output
8773 if (cps == &first && bookRequested) {
8774 if (message[0] == '\t' || message[0] == ' ') {
8775 /* Part of the book output is here; append it */
8776 strcat(bookOutput, message);
8777 strcat(bookOutput, " \n");
8779 } else if (bookOutput[0] != NULLCHAR) {
8780 /* All of book output has arrived; display it */
8781 char *p = bookOutput;
8782 while (*p != NULLCHAR) {
8783 if (*p == '\t') *p = ' ';
8786 DisplayInformation(bookOutput);
8787 bookRequested = FALSE;
8788 /* Fall through to parse the current output */
8793 * Look for machine move.
8795 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8796 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8798 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8799 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8800 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8801 stalledEngine = cps;
8802 if(appData.ponderNextMove) { // bring opponent out of ponder
8803 if(gameMode == TwoMachinesPlay) {
8804 if(cps->other->pause)
8805 PauseEngine(cps->other);
8807 SendToProgram("easy\n", cps->other);
8816 /* This method is only useful on engines that support ping */
8817 if(abortEngineThink) {
8818 if (appData.debugMode) {
8819 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8821 SendToProgram("undo\n", cps);
8825 if (cps->lastPing != cps->lastPong) {
8826 /* Extra move from before last new; ignore */
8827 if (appData.debugMode) {
8828 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8835 int machineWhite = FALSE;
8838 case BeginningOfGame:
8839 /* Extra move from before last reset; ignore */
8840 if (appData.debugMode) {
8841 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8848 /* Extra move after we tried to stop. The mode test is
8849 not a reliable way of detecting this problem, but it's
8850 the best we can do on engines that don't support ping.
8852 if (appData.debugMode) {
8853 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8854 cps->which, gameMode);
8856 SendToProgram("undo\n", cps);
8859 case MachinePlaysWhite:
8860 case IcsPlayingWhite:
8861 machineWhite = TRUE;
8864 case MachinePlaysBlack:
8865 case IcsPlayingBlack:
8866 machineWhite = FALSE;
8869 case TwoMachinesPlay:
8870 machineWhite = (cps->twoMachinesColor[0] == 'w');
8873 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8874 if (appData.debugMode) {
8876 "Ignoring move out of turn by %s, gameMode %d"
8877 ", forwardMost %d\n",
8878 cps->which, gameMode, forwardMostMove);
8884 if(cps->alphaRank) AlphaRank(machineMove, 4);
8886 // [HGM] lion: (some very limited) support for Alien protocol
8887 killX = killY = kill2X = kill2Y = -1;
8888 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8889 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8890 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8893 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8894 char *q = strchr(p+1, ','); // second comma?
8895 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8896 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8897 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8899 if(firstLeg[0]) { // there was a previous leg;
8900 // only support case where same piece makes two step
8901 char buf[20], *p = machineMove+1, *q = buf+1, f;
8902 safeStrCpy(buf, machineMove, 20);
8903 while(isdigit(*q)) q++; // find start of to-square
8904 safeStrCpy(machineMove, firstLeg, 20);
8905 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8906 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8907 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8908 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8909 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8910 firstLeg[0] = NULLCHAR; legs = 0;
8913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8914 &fromX, &fromY, &toX, &toY, &promoChar)) {
8915 /* Machine move could not be parsed; ignore it. */
8916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8917 machineMove, _(cps->which));
8918 DisplayMoveError(buf1);
8919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8921 if (gameMode == TwoMachinesPlay) {
8922 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8929 /* So we have to redo legality test with true e.p. status here, */
8930 /* to make sure an illegal e.p. capture does not slip through, */
8931 /* to cause a forfeit on a justified illegal-move complaint */
8932 /* of the opponent. */
8933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8936 fromY, fromX, toY, toX, promoChar);
8937 if(moveType == IllegalMove) {
8938 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8939 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8940 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8943 } else if(!appData.fischerCastling)
8944 /* [HGM] Kludge to handle engines that send FRC-style castling
8945 when they shouldn't (like TSCP-Gothic) */
8947 case WhiteASideCastleFR:
8948 case BlackASideCastleFR:
8950 currentMoveString[2]++;
8952 case WhiteHSideCastleFR:
8953 case BlackHSideCastleFR:
8955 currentMoveString[2]--;
8957 default: ; // nothing to do, but suppresses warning of pedantic compilers
8960 hintRequested = FALSE;
8961 lastHint[0] = NULLCHAR;
8962 bookRequested = FALSE;
8963 /* Program may be pondering now */
8964 cps->maybeThinking = TRUE;
8965 if (cps->sendTime == 2) cps->sendTime = 1;
8966 if (cps->offeredDraw) cps->offeredDraw--;
8968 /* [AS] Save move info*/
8969 pvInfoList[ forwardMostMove ].score = programStats.score;
8970 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8971 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8973 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8975 /* Test suites abort the 'game' after one move */
8976 if(*appData.finger) {
8978 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8979 if(!f) f = fopen(appData.finger, "w");
8980 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8981 else { DisplayFatalError("Bad output file", errno, 0); return; }
8983 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8986 if(solvingTime >= 0) {
8987 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8988 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8990 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8991 if(solvingTime == -2) second.matchWins++;
8993 OutputKibitz(2, buf1);
8994 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8997 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8998 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9001 while( count < adjudicateLossPlies ) {
9002 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9005 score = -score; /* Flip score for winning side */
9008 if( score > appData.adjudicateLossThreshold ) {
9015 if( count >= adjudicateLossPlies ) {
9016 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9018 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9019 "Xboard adjudication",
9026 if(Adjudicate(cps)) {
9027 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9028 return; // [HGM] adjudicate: for all automatic game ends
9032 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9034 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9035 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9037 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9039 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9041 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9042 char buf[3*MSG_SIZ];
9044 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9045 programStats.score / 100.,
9047 programStats.time / 100.,
9048 (unsigned int)programStats.nodes,
9049 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9050 programStats.movelist);
9056 /* [AS] Clear stats for next move */
9057 ClearProgramStats();
9058 thinkOutput[0] = NULLCHAR;
9059 hiddenThinkOutputState = 0;
9062 if (gameMode == TwoMachinesPlay) {
9063 /* [HGM] relaying draw offers moved to after reception of move */
9064 /* and interpreting offer as claim if it brings draw condition */
9065 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9066 SendToProgram("draw\n", cps->other);
9068 if (cps->other->sendTime) {
9069 SendTimeRemaining(cps->other,
9070 cps->other->twoMachinesColor[0] == 'w');
9072 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9073 if (firstMove && !bookHit) {
9075 if (cps->other->useColors) {
9076 SendToProgram(cps->other->twoMachinesColor, cps->other);
9078 SendToProgram("go\n", cps->other);
9080 cps->other->maybeThinking = TRUE;
9083 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9087 if (!pausing && appData.ringBellAfterMoves) {
9088 if(!roar) RingBell();
9092 * Reenable menu items that were disabled while
9093 * machine was thinking
9095 if (gameMode != TwoMachinesPlay)
9096 SetUserThinkingEnables();
9098 // [HGM] book: after book hit opponent has received move and is now in force mode
9099 // force the book reply into it, and then fake that it outputted this move by jumping
9100 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9102 static char bookMove[MSG_SIZ]; // a bit generous?
9104 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9105 strcat(bookMove, bookHit);
9108 programStats.nodes = programStats.depth = programStats.time =
9109 programStats.score = programStats.got_only_move = 0;
9110 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9112 if(cps->lastPing != cps->lastPong) {
9113 savedMessage = message; // args for deferred call
9115 ScheduleDelayedEvent(DeferredBookMove, 10);
9124 /* Set special modes for chess engines. Later something general
9125 * could be added here; for now there is just one kludge feature,
9126 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9127 * when "xboard" is given as an interactive command.
9129 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9130 cps->useSigint = FALSE;
9131 cps->useSigterm = FALSE;
9133 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9134 ParseFeatures(message+8, cps);
9135 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9138 if (!strncmp(message, "setup ", 6) &&
9139 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9140 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9141 ) { // [HGM] allow first engine to define opening position
9142 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9143 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9145 if(sscanf(message, "setup (%s", buf) == 1) {
9146 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9147 ASSIGN(appData.pieceToCharTable, buf);
9149 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9151 while(message[s] && message[s++] != ' ');
9152 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9153 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9154 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9155 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9156 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9157 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9158 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9159 startedFromSetupPosition = FALSE;
9162 if(startedFromSetupPosition) return;
9163 ParseFEN(boards[0], &dummy, message+s, FALSE);
9164 DrawPosition(TRUE, boards[0]);
9165 CopyBoard(initialPosition, boards[0]);
9166 startedFromSetupPosition = TRUE;
9169 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9170 ChessSquare piece = WhitePawn;
9171 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9172 if(*p == '+') promoted++, ID = *++p;
9173 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9174 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9175 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9176 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9177 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9178 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9179 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9180 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9181 && gameInfo.variant != VariantGreat
9182 && gameInfo.variant != VariantFairy ) return;
9183 if(piece < EmptySquare) {
9185 ASSIGN(pieceDesc[piece], buf1);
9186 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9190 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9192 LeftClick(Press, 0, 0); // finish the click that was interrupted
9193 } else if(promoSweep != EmptySquare) {
9194 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9195 if(strlen(promoRestrict) > 1) Sweep(0);
9199 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9200 * want this, I was asked to put it in, and obliged.
9202 if (!strncmp(message, "setboard ", 9)) {
9203 Board initial_position;
9205 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9207 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9208 DisplayError(_("Bad FEN received from engine"), 0);
9212 CopyBoard(boards[0], initial_position);
9213 initialRulePlies = FENrulePlies;
9214 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9215 else gameMode = MachinePlaysBlack;
9216 DrawPosition(FALSE, boards[currentMove]);
9222 * Look for communication commands
9224 if (!strncmp(message, "telluser ", 9)) {
9225 if(message[9] == '\\' && message[10] == '\\')
9226 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9228 DisplayNote(message + 9);
9231 if (!strncmp(message, "tellusererror ", 14)) {
9233 if(message[14] == '\\' && message[15] == '\\')
9234 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9236 DisplayError(message + 14, 0);
9239 if (!strncmp(message, "tellopponent ", 13)) {
9240 if (appData.icsActive) {
9242 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9246 DisplayNote(message + 13);
9250 if (!strncmp(message, "tellothers ", 11)) {
9251 if (appData.icsActive) {
9253 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9256 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9259 if (!strncmp(message, "tellall ", 8)) {
9260 if (appData.icsActive) {
9262 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9266 DisplayNote(message + 8);
9270 if (strncmp(message, "warning", 7) == 0) {
9271 /* Undocumented feature, use tellusererror in new code */
9272 DisplayError(message, 0);
9275 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9276 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9277 strcat(realname, " query");
9278 AskQuestion(realname, buf2, buf1, cps->pr);
9281 /* Commands from the engine directly to ICS. We don't allow these to be
9282 * sent until we are logged on. Crafty kibitzes have been known to
9283 * interfere with the login process.
9286 if (!strncmp(message, "tellics ", 8)) {
9287 SendToICS(message + 8);
9291 if (!strncmp(message, "tellicsnoalias ", 15)) {
9292 SendToICS(ics_prefix);
9293 SendToICS(message + 15);
9297 /* The following are for backward compatibility only */
9298 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9299 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9300 SendToICS(ics_prefix);
9306 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9307 if(initPing == cps->lastPong) {
9308 if(gameInfo.variant == VariantUnknown) {
9309 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9310 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9311 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9315 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9316 abortEngineThink = FALSE;
9317 DisplayMessage("", "");
9322 if(!strncmp(message, "highlight ", 10)) {
9323 if(appData.testLegality && !*engineVariant && appData.markers) return;
9324 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9327 if(!strncmp(message, "click ", 6)) {
9328 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9329 if(appData.testLegality || !appData.oneClick) return;
9330 sscanf(message+6, "%c%d%c", &f, &y, &c);
9331 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9332 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9333 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9334 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9335 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9336 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9337 LeftClick(Release, lastLeftX, lastLeftY);
9338 controlKey = (c == ',');
9339 LeftClick(Press, x, y);
9340 LeftClick(Release, x, y);
9341 first.highlight = f;
9345 * If the move is illegal, cancel it and redraw the board.
9346 * Also deal with other error cases. Matching is rather loose
9347 * here to accommodate engines written before the spec.
9349 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9350 strncmp(message, "Error", 5) == 0) {
9351 if (StrStr(message, "name") ||
9352 StrStr(message, "rating") || StrStr(message, "?") ||
9353 StrStr(message, "result") || StrStr(message, "board") ||
9354 StrStr(message, "bk") || StrStr(message, "computer") ||
9355 StrStr(message, "variant") || StrStr(message, "hint") ||
9356 StrStr(message, "random") || StrStr(message, "depth") ||
9357 StrStr(message, "accepted")) {
9360 if (StrStr(message, "protover")) {
9361 /* Program is responding to input, so it's apparently done
9362 initializing, and this error message indicates it is
9363 protocol version 1. So we don't need to wait any longer
9364 for it to initialize and send feature commands. */
9365 FeatureDone(cps, 1);
9366 cps->protocolVersion = 1;
9369 cps->maybeThinking = FALSE;
9371 if (StrStr(message, "draw")) {
9372 /* Program doesn't have "draw" command */
9373 cps->sendDrawOffers = 0;
9376 if (cps->sendTime != 1 &&
9377 (StrStr(message, "time") || StrStr(message, "otim"))) {
9378 /* Program apparently doesn't have "time" or "otim" command */
9382 if (StrStr(message, "analyze")) {
9383 cps->analysisSupport = FALSE;
9384 cps->analyzing = FALSE;
9385 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9386 EditGameEvent(); // [HGM] try to preserve loaded game
9387 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9388 DisplayError(buf2, 0);
9391 if (StrStr(message, "(no matching move)st")) {
9392 /* Special kludge for GNU Chess 4 only */
9393 cps->stKludge = TRUE;
9394 SendTimeControl(cps, movesPerSession, timeControl,
9395 timeIncrement, appData.searchDepth,
9399 if (StrStr(message, "(no matching move)sd")) {
9400 /* Special kludge for GNU Chess 4 only */
9401 cps->sdKludge = TRUE;
9402 SendTimeControl(cps, movesPerSession, timeControl,
9403 timeIncrement, appData.searchDepth,
9407 if (!StrStr(message, "llegal")) {
9410 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9411 gameMode == IcsIdle) return;
9412 if (forwardMostMove <= backwardMostMove) return;
9413 if (pausing) PauseEvent();
9414 if(appData.forceIllegal) {
9415 // [HGM] illegal: machine refused move; force position after move into it
9416 SendToProgram("force\n", cps);
9417 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9418 // we have a real problem now, as SendBoard will use the a2a3 kludge
9419 // when black is to move, while there might be nothing on a2 or black
9420 // might already have the move. So send the board as if white has the move.
9421 // But first we must change the stm of the engine, as it refused the last move
9422 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9423 if(WhiteOnMove(forwardMostMove)) {
9424 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9425 SendBoard(cps, forwardMostMove); // kludgeless board
9427 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9428 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9429 SendBoard(cps, forwardMostMove+1); // kludgeless board
9431 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9432 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9433 gameMode == TwoMachinesPlay)
9434 SendToProgram("go\n", cps);
9437 if (gameMode == PlayFromGameFile) {
9438 /* Stop reading this game file */
9439 gameMode = EditGame;
9442 /* [HGM] illegal-move claim should forfeit game when Xboard */
9443 /* only passes fully legal moves */
9444 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9445 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9446 "False illegal-move claim", GE_XBOARD );
9447 return; // do not take back move we tested as valid
9449 currentMove = forwardMostMove-1;
9450 DisplayMove(currentMove-1); /* before DisplayMoveError */
9451 SwitchClocks(forwardMostMove-1); // [HGM] race
9452 DisplayBothClocks();
9453 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9454 parseList[currentMove], _(cps->which));
9455 DisplayMoveError(buf1);
9456 DrawPosition(FALSE, boards[currentMove]);
9458 SetUserThinkingEnables();
9461 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9462 /* Program has a broken "time" command that
9463 outputs a string not ending in newline.
9467 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9468 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9469 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9473 * If chess program startup fails, exit with an error message.
9474 * Attempts to recover here are futile. [HGM] Well, we try anyway
9476 if ((StrStr(message, "unknown host") != NULL)
9477 || (StrStr(message, "No remote directory") != NULL)
9478 || (StrStr(message, "not found") != NULL)
9479 || (StrStr(message, "No such file") != NULL)
9480 || (StrStr(message, "can't alloc") != NULL)
9481 || (StrStr(message, "Permission denied") != NULL)) {
9483 cps->maybeThinking = FALSE;
9484 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9485 _(cps->which), cps->program, cps->host, message);
9486 RemoveInputSource(cps->isr);
9487 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9488 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9489 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9495 * Look for hint output
9497 if (sscanf(message, "Hint: %s", buf1) == 1) {
9498 if (cps == &first && hintRequested) {
9499 hintRequested = FALSE;
9500 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9501 &fromX, &fromY, &toX, &toY, &promoChar)) {
9502 (void) CoordsToAlgebraic(boards[forwardMostMove],
9503 PosFlags(forwardMostMove),
9504 fromY, fromX, toY, toX, promoChar, buf1);
9505 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9506 DisplayInformation(buf2);
9508 /* Hint move could not be parsed!? */
9509 snprintf(buf2, sizeof(buf2),
9510 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9511 buf1, _(cps->which));
9512 DisplayError(buf2, 0);
9515 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9521 * Ignore other messages if game is not in progress
9523 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9524 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9527 * look for win, lose, draw, or draw offer
9529 if (strncmp(message, "1-0", 3) == 0) {
9530 char *p, *q, *r = "";
9531 p = strchr(message, '{');
9539 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9541 } else if (strncmp(message, "0-1", 3) == 0) {
9542 char *p, *q, *r = "";
9543 p = strchr(message, '{');
9551 /* Kludge for Arasan 4.1 bug */
9552 if (strcmp(r, "Black resigns") == 0) {
9553 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9556 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9558 } else if (strncmp(message, "1/2", 3) == 0) {
9559 char *p, *q, *r = "";
9560 p = strchr(message, '{');
9569 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9572 } else if (strncmp(message, "White resign", 12) == 0) {
9573 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9575 } else if (strncmp(message, "Black resign", 12) == 0) {
9576 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9578 } else if (strncmp(message, "White matches", 13) == 0 ||
9579 strncmp(message, "Black matches", 13) == 0 ) {
9580 /* [HGM] ignore GNUShogi noises */
9582 } else if (strncmp(message, "White", 5) == 0 &&
9583 message[5] != '(' &&
9584 StrStr(message, "Black") == NULL) {
9585 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9587 } else if (strncmp(message, "Black", 5) == 0 &&
9588 message[5] != '(') {
9589 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9591 } else if (strcmp(message, "resign") == 0 ||
9592 strcmp(message, "computer resigns") == 0) {
9594 case MachinePlaysBlack:
9595 case IcsPlayingBlack:
9596 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9598 case MachinePlaysWhite:
9599 case IcsPlayingWhite:
9600 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9602 case TwoMachinesPlay:
9603 if (cps->twoMachinesColor[0] == 'w')
9604 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9606 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9613 } else if (strncmp(message, "opponent mates", 14) == 0) {
9615 case MachinePlaysBlack:
9616 case IcsPlayingBlack:
9617 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9619 case MachinePlaysWhite:
9620 case IcsPlayingWhite:
9621 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9623 case TwoMachinesPlay:
9624 if (cps->twoMachinesColor[0] == 'w')
9625 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9627 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9634 } else if (strncmp(message, "computer mates", 14) == 0) {
9636 case MachinePlaysBlack:
9637 case IcsPlayingBlack:
9638 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9640 case MachinePlaysWhite:
9641 case IcsPlayingWhite:
9642 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9644 case TwoMachinesPlay:
9645 if (cps->twoMachinesColor[0] == 'w')
9646 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9648 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9655 } else if (strncmp(message, "checkmate", 9) == 0) {
9656 if (WhiteOnMove(forwardMostMove)) {
9657 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9659 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9662 } else if (strstr(message, "Draw") != NULL ||
9663 strstr(message, "game is a draw") != NULL) {
9664 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9666 } else if (strstr(message, "offer") != NULL &&
9667 strstr(message, "draw") != NULL) {
9669 if (appData.zippyPlay && first.initDone) {
9670 /* Relay offer to ICS */
9671 SendToICS(ics_prefix);
9672 SendToICS("draw\n");
9675 cps->offeredDraw = 2; /* valid until this engine moves twice */
9676 if (gameMode == TwoMachinesPlay) {
9677 if (cps->other->offeredDraw) {
9678 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9679 /* [HGM] in two-machine mode we delay relaying draw offer */
9680 /* until after we also have move, to see if it is really claim */
9682 } else if (gameMode == MachinePlaysWhite ||
9683 gameMode == MachinePlaysBlack) {
9684 if (userOfferedDraw) {
9685 DisplayInformation(_("Machine accepts your draw offer"));
9686 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9688 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9695 * Look for thinking output
9697 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9698 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9700 int plylev, mvleft, mvtot, curscore, time;
9701 char mvname[MOVE_LEN];
9705 int prefixHint = FALSE;
9706 mvname[0] = NULLCHAR;
9709 case MachinePlaysBlack:
9710 case IcsPlayingBlack:
9711 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9713 case MachinePlaysWhite:
9714 case IcsPlayingWhite:
9715 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9720 case IcsObserving: /* [DM] icsEngineAnalyze */
9721 if (!appData.icsEngineAnalyze) ignore = TRUE;
9723 case TwoMachinesPlay:
9724 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9734 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9737 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9738 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9739 char score_buf[MSG_SIZ];
9741 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9742 nodes += u64Const(0x100000000);
9744 if (plyext != ' ' && plyext != '\t') {
9748 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9749 if( cps->scoreIsAbsolute &&
9750 ( gameMode == MachinePlaysBlack ||
9751 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9752 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9753 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9754 !WhiteOnMove(currentMove)
9757 curscore = -curscore;
9760 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9762 if(*bestMove) { // rememer time best EPD move was first found
9763 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9764 ChessMove mt; char *p = bestMove;
9765 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9767 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9768 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9769 solvingTime = (solvingTime < 0 ? time : solvingTime);
9773 while(*p && *p != ' ') p++;
9774 while(*p == ' ') p++;
9776 if(!solved) solvingTime = -1;
9778 if(*avoidMove && !solved) {
9779 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9780 ChessMove mt; char *p = avoidMove, solved = 1;
9781 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9782 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9783 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9784 solved = 0; solvingTime = -2;
9787 while(*p && *p != ' ') p++;
9788 while(*p == ' ') p++;
9790 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9793 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9796 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9797 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9798 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9799 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9800 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9801 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9805 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9806 DisplayError(_("failed writing PV"), 0);
9809 tempStats.depth = plylev;
9810 tempStats.nodes = nodes;
9811 tempStats.time = time;
9812 tempStats.score = curscore;
9813 tempStats.got_only_move = 0;
9815 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9818 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9819 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9820 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9821 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9822 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9823 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9824 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9825 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9828 /* Buffer overflow protection */
9829 if (pv[0] != NULLCHAR) {
9830 if (strlen(pv) >= sizeof(tempStats.movelist)
9831 && appData.debugMode) {
9833 "PV is too long; using the first %u bytes.\n",
9834 (unsigned) sizeof(tempStats.movelist) - 1);
9837 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9839 sprintf(tempStats.movelist, " no PV\n");
9842 if (tempStats.seen_stat) {
9843 tempStats.ok_to_send = 1;
9846 if (strchr(tempStats.movelist, '(') != NULL) {
9847 tempStats.line_is_book = 1;
9848 tempStats.nr_moves = 0;
9849 tempStats.moves_left = 0;
9851 tempStats.line_is_book = 0;
9854 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9855 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9857 SendProgramStatsToFrontend( cps, &tempStats );
9860 [AS] Protect the thinkOutput buffer from overflow... this
9861 is only useful if buf1 hasn't overflowed first!
9863 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9864 if(curscore >= MATE_SCORE)
9865 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9866 else if(curscore <= -MATE_SCORE)
9867 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9869 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9870 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9872 (gameMode == TwoMachinesPlay ?
9873 ToUpper(cps->twoMachinesColor[0]) : ' '),
9875 prefixHint ? lastHint : "",
9876 prefixHint ? " " : "" );
9878 if( buf1[0] != NULLCHAR ) {
9879 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9881 if( strlen(pv) > max_len ) {
9882 if( appData.debugMode) {
9883 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9885 pv[max_len+1] = '\0';
9888 strcat( thinkOutput, pv);
9891 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9892 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9893 DisplayMove(currentMove - 1);
9897 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9898 /* crafty (9.25+) says "(only move) <move>"
9899 * if there is only 1 legal move
9901 sscanf(p, "(only move) %s", buf1);
9902 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9903 sprintf(programStats.movelist, "%s (only move)", buf1);
9904 programStats.depth = 1;
9905 programStats.nr_moves = 1;
9906 programStats.moves_left = 1;
9907 programStats.nodes = 1;
9908 programStats.time = 1;
9909 programStats.got_only_move = 1;
9911 /* Not really, but we also use this member to
9912 mean "line isn't going to change" (Crafty
9913 isn't searching, so stats won't change) */
9914 programStats.line_is_book = 1;
9916 SendProgramStatsToFrontend( cps, &programStats );
9918 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9919 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9920 DisplayMove(currentMove - 1);
9923 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9924 &time, &nodes, &plylev, &mvleft,
9925 &mvtot, mvname) >= 5) {
9926 /* The stat01: line is from Crafty (9.29+) in response
9927 to the "." command */
9928 programStats.seen_stat = 1;
9929 cps->maybeThinking = TRUE;
9931 if (programStats.got_only_move || !appData.periodicUpdates)
9934 programStats.depth = plylev;
9935 programStats.time = time;
9936 programStats.nodes = nodes;
9937 programStats.moves_left = mvleft;
9938 programStats.nr_moves = mvtot;
9939 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9940 programStats.ok_to_send = 1;
9941 programStats.movelist[0] = '\0';
9943 SendProgramStatsToFrontend( cps, &programStats );
9947 } else if (strncmp(message,"++",2) == 0) {
9948 /* Crafty 9.29+ outputs this */
9949 programStats.got_fail = 2;
9952 } else if (strncmp(message,"--",2) == 0) {
9953 /* Crafty 9.29+ outputs this */
9954 programStats.got_fail = 1;
9957 } else if (thinkOutput[0] != NULLCHAR &&
9958 strncmp(message, " ", 4) == 0) {
9959 unsigned message_len;
9962 while (*p && *p == ' ') p++;
9964 message_len = strlen( p );
9966 /* [AS] Avoid buffer overflow */
9967 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9968 strcat(thinkOutput, " ");
9969 strcat(thinkOutput, p);
9972 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9973 strcat(programStats.movelist, " ");
9974 strcat(programStats.movelist, p);
9977 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9978 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9979 DisplayMove(currentMove - 1);
9987 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9988 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9990 ChessProgramStats cpstats;
9992 if (plyext != ' ' && plyext != '\t') {
9996 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9997 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9998 curscore = -curscore;
10001 cpstats.depth = plylev;
10002 cpstats.nodes = nodes;
10003 cpstats.time = time;
10004 cpstats.score = curscore;
10005 cpstats.got_only_move = 0;
10006 cpstats.movelist[0] = '\0';
10008 if (buf1[0] != NULLCHAR) {
10009 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10012 cpstats.ok_to_send = 0;
10013 cpstats.line_is_book = 0;
10014 cpstats.nr_moves = 0;
10015 cpstats.moves_left = 0;
10017 SendProgramStatsToFrontend( cps, &cpstats );
10024 /* Parse a game score from the character string "game", and
10025 record it as the history of the current game. The game
10026 score is NOT assumed to start from the standard position.
10027 The display is not updated in any way.
10030 ParseGameHistory (char *game)
10032 ChessMove moveType;
10033 int fromX, fromY, toX, toY, boardIndex;
10038 if (appData.debugMode)
10039 fprintf(debugFP, "Parsing game history: %s\n", game);
10041 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10042 gameInfo.site = StrSave(appData.icsHost);
10043 gameInfo.date = PGNDate();
10044 gameInfo.round = StrSave("-");
10046 /* Parse out names of players */
10047 while (*game == ' ') game++;
10049 while (*game != ' ') *p++ = *game++;
10051 gameInfo.white = StrSave(buf);
10052 while (*game == ' ') game++;
10054 while (*game != ' ' && *game != '\n') *p++ = *game++;
10056 gameInfo.black = StrSave(buf);
10059 boardIndex = blackPlaysFirst ? 1 : 0;
10062 yyboardindex = boardIndex;
10063 moveType = (ChessMove) Myylex();
10064 switch (moveType) {
10065 case IllegalMove: /* maybe suicide chess, etc. */
10066 if (appData.debugMode) {
10067 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10068 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10069 setbuf(debugFP, NULL);
10071 case WhitePromotion:
10072 case BlackPromotion:
10073 case WhiteNonPromotion:
10074 case BlackNonPromotion:
10077 case WhiteCapturesEnPassant:
10078 case BlackCapturesEnPassant:
10079 case WhiteKingSideCastle:
10080 case WhiteQueenSideCastle:
10081 case BlackKingSideCastle:
10082 case BlackQueenSideCastle:
10083 case WhiteKingSideCastleWild:
10084 case WhiteQueenSideCastleWild:
10085 case BlackKingSideCastleWild:
10086 case BlackQueenSideCastleWild:
10088 case WhiteHSideCastleFR:
10089 case WhiteASideCastleFR:
10090 case BlackHSideCastleFR:
10091 case BlackASideCastleFR:
10093 fromX = currentMoveString[0] - AAA;
10094 fromY = currentMoveString[1] - ONE;
10095 toX = currentMoveString[2] - AAA;
10096 toY = currentMoveString[3] - ONE;
10097 promoChar = currentMoveString[4];
10101 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10102 fromX = moveType == WhiteDrop ?
10103 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10104 (int) CharToPiece(ToLower(currentMoveString[0]));
10106 toX = currentMoveString[2] - AAA;
10107 toY = currentMoveString[3] - ONE;
10108 promoChar = NULLCHAR;
10110 case AmbiguousMove:
10112 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10113 if (appData.debugMode) {
10114 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10115 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10116 setbuf(debugFP, NULL);
10118 DisplayError(buf, 0);
10120 case ImpossibleMove:
10122 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10123 if (appData.debugMode) {
10124 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10125 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10126 setbuf(debugFP, NULL);
10128 DisplayError(buf, 0);
10131 if (boardIndex < backwardMostMove) {
10132 /* Oops, gap. How did that happen? */
10133 DisplayError(_("Gap in move list"), 0);
10136 backwardMostMove = blackPlaysFirst ? 1 : 0;
10137 if (boardIndex > forwardMostMove) {
10138 forwardMostMove = boardIndex;
10142 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10143 strcat(parseList[boardIndex-1], " ");
10144 strcat(parseList[boardIndex-1], yy_text);
10156 case GameUnfinished:
10157 if (gameMode == IcsExamining) {
10158 if (boardIndex < backwardMostMove) {
10159 /* Oops, gap. How did that happen? */
10162 backwardMostMove = blackPlaysFirst ? 1 : 0;
10165 gameInfo.result = moveType;
10166 p = strchr(yy_text, '{');
10167 if (p == NULL) p = strchr(yy_text, '(');
10170 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10172 q = strchr(p, *p == '{' ? '}' : ')');
10173 if (q != NULL) *q = NULLCHAR;
10176 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10177 gameInfo.resultDetails = StrSave(p);
10180 if (boardIndex >= forwardMostMove &&
10181 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10182 backwardMostMove = blackPlaysFirst ? 1 : 0;
10185 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10186 fromY, fromX, toY, toX, promoChar,
10187 parseList[boardIndex]);
10188 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10189 /* currentMoveString is set as a side-effect of yylex */
10190 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10191 strcat(moveList[boardIndex], "\n");
10193 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10194 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10200 if(!IS_SHOGI(gameInfo.variant))
10201 strcat(parseList[boardIndex - 1], "+");
10205 strcat(parseList[boardIndex - 1], "#");
10212 /* Apply a move to the given board */
10214 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10216 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10217 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10219 /* [HGM] compute & store e.p. status and castling rights for new position */
10220 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10222 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10223 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10224 board[EP_STATUS] = EP_NONE;
10225 board[EP_FILE] = board[EP_RANK] = 100;
10227 if (fromY == DROP_RANK) {
10228 /* must be first */
10229 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10230 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10233 piece = board[toY][toX] = (ChessSquare) fromX;
10235 // ChessSquare victim;
10238 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10239 // victim = board[killY][killX],
10240 killed = board[killY][killX],
10241 board[killY][killX] = EmptySquare,
10242 board[EP_STATUS] = EP_CAPTURE;
10243 if( kill2X >= 0 && kill2Y >= 0)
10244 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10247 if( board[toY][toX] != EmptySquare ) {
10248 board[EP_STATUS] = EP_CAPTURE;
10249 if( (fromX != toX || fromY != toY) && // not igui!
10250 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10251 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10252 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10256 pawn = board[fromY][fromX];
10257 if( pawn == WhiteLance || pawn == BlackLance ) {
10258 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10259 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10260 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10263 if( pawn == WhitePawn ) {
10264 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10265 board[EP_STATUS] = EP_PAWN_MOVE;
10266 if( toY-fromY>=2) {
10267 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10268 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10269 gameInfo.variant != VariantBerolina || toX < fromX)
10270 board[EP_STATUS] = toX | berolina;
10271 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10272 gameInfo.variant != VariantBerolina || toX > fromX)
10273 board[EP_STATUS] = toX;
10276 if( pawn == BlackPawn ) {
10277 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10278 board[EP_STATUS] = EP_PAWN_MOVE;
10279 if( toY-fromY<= -2) {
10280 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10281 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10282 gameInfo.variant != VariantBerolina || toX < fromX)
10283 board[EP_STATUS] = toX | berolina;
10284 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10285 gameInfo.variant != VariantBerolina || toX > fromX)
10286 board[EP_STATUS] = toX;
10290 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10291 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10292 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10293 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10295 for(i=0; i<nrCastlingRights; i++) {
10296 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10297 board[CASTLING][i] == toX && castlingRank[i] == toY
10298 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10301 if(gameInfo.variant == VariantSChess) { // update virginity
10302 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10303 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10304 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10305 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10308 if (fromX == toX && fromY == toY && killX < 0) return;
10310 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10311 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10312 if(gameInfo.variant == VariantKnightmate)
10313 king += (int) WhiteUnicorn - (int) WhiteKing;
10315 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10316 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10317 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10318 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10319 board[EP_STATUS] = EP_NONE; // capture was fake!
10321 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10322 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10323 board[toY][toX] = piece;
10324 board[EP_STATUS] = EP_NONE; // capture was fake!
10326 /* Code added by Tord: */
10327 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10328 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10329 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10330 board[EP_STATUS] = EP_NONE; // capture was fake!
10331 board[fromY][fromX] = EmptySquare;
10332 board[toY][toX] = EmptySquare;
10333 if((toX > fromX) != (piece == WhiteRook)) {
10334 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10336 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10338 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10339 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10340 board[EP_STATUS] = EP_NONE;
10341 board[fromY][fromX] = EmptySquare;
10342 board[toY][toX] = EmptySquare;
10343 if((toX > fromX) != (piece == BlackRook)) {
10344 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10346 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10348 /* End of code added by Tord */
10350 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10351 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10352 board[toY][toX] = piece;
10353 } else if (board[fromY][fromX] == king
10354 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10355 && toY == fromY && toX > fromX+1) {
10356 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10357 ; // castle with nearest piece
10358 board[fromY][toX-1] = board[fromY][rookX];
10359 board[fromY][rookX] = EmptySquare;
10360 board[fromY][fromX] = EmptySquare;
10361 board[toY][toX] = king;
10362 } else if (board[fromY][fromX] == king
10363 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10364 && toY == fromY && toX < fromX-1) {
10365 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10366 ; // castle with nearest piece
10367 board[fromY][toX+1] = board[fromY][rookX];
10368 board[fromY][rookX] = EmptySquare;
10369 board[fromY][fromX] = EmptySquare;
10370 board[toY][toX] = king;
10371 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10372 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10373 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10375 /* white pawn promotion */
10376 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10377 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10378 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10379 board[fromY][fromX] = EmptySquare;
10380 } else if ((fromY >= BOARD_HEIGHT>>1)
10381 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10383 && gameInfo.variant != VariantXiangqi
10384 && gameInfo.variant != VariantBerolina
10385 && (pawn == WhitePawn)
10386 && (board[toY][toX] == EmptySquare)) {
10387 board[fromY][fromX] = EmptySquare;
10388 board[toY][toX] = piece;
10389 if(toY == epRank - 128 + 1)
10390 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10392 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10393 } else if ((fromY == BOARD_HEIGHT-4)
10395 && gameInfo.variant == VariantBerolina
10396 && (board[fromY][fromX] == WhitePawn)
10397 && (board[toY][toX] == EmptySquare)) {
10398 board[fromY][fromX] = EmptySquare;
10399 board[toY][toX] = WhitePawn;
10400 if(oldEP & EP_BEROLIN_A) {
10401 captured = board[fromY][fromX-1];
10402 board[fromY][fromX-1] = EmptySquare;
10403 }else{ captured = board[fromY][fromX+1];
10404 board[fromY][fromX+1] = EmptySquare;
10406 } else if (board[fromY][fromX] == king
10407 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10408 && toY == fromY && toX > fromX+1) {
10409 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10411 board[fromY][toX-1] = board[fromY][rookX];
10412 board[fromY][rookX] = EmptySquare;
10413 board[fromY][fromX] = EmptySquare;
10414 board[toY][toX] = king;
10415 } else if (board[fromY][fromX] == king
10416 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10417 && toY == fromY && toX < fromX-1) {
10418 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10420 board[fromY][toX+1] = board[fromY][rookX];
10421 board[fromY][rookX] = EmptySquare;
10422 board[fromY][fromX] = EmptySquare;
10423 board[toY][toX] = king;
10424 } else if (fromY == 7 && fromX == 3
10425 && board[fromY][fromX] == BlackKing
10426 && toY == 7 && toX == 5) {
10427 board[fromY][fromX] = EmptySquare;
10428 board[toY][toX] = BlackKing;
10429 board[fromY][7] = EmptySquare;
10430 board[toY][4] = BlackRook;
10431 } else if (fromY == 7 && fromX == 3
10432 && board[fromY][fromX] == BlackKing
10433 && toY == 7 && toX == 1) {
10434 board[fromY][fromX] = EmptySquare;
10435 board[toY][toX] = BlackKing;
10436 board[fromY][0] = EmptySquare;
10437 board[toY][2] = BlackRook;
10438 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10439 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10440 && toY < promoRank && promoChar
10442 /* black pawn promotion */
10443 board[toY][toX] = CharToPiece(ToLower(promoChar));
10444 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10445 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10446 board[fromY][fromX] = EmptySquare;
10447 } else if ((fromY < BOARD_HEIGHT>>1)
10448 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10450 && gameInfo.variant != VariantXiangqi
10451 && gameInfo.variant != VariantBerolina
10452 && (pawn == BlackPawn)
10453 && (board[toY][toX] == EmptySquare)) {
10454 board[fromY][fromX] = EmptySquare;
10455 board[toY][toX] = piece;
10456 if(toY == epRank - 128 - 1)
10457 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10459 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10460 } else if ((fromY == 3)
10462 && gameInfo.variant == VariantBerolina
10463 && (board[fromY][fromX] == BlackPawn)
10464 && (board[toY][toX] == EmptySquare)) {
10465 board[fromY][fromX] = EmptySquare;
10466 board[toY][toX] = BlackPawn;
10467 if(oldEP & EP_BEROLIN_A) {
10468 captured = board[fromY][fromX-1];
10469 board[fromY][fromX-1] = EmptySquare;
10470 }else{ captured = board[fromY][fromX+1];
10471 board[fromY][fromX+1] = EmptySquare;
10474 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10475 board[fromY][fromX] = EmptySquare;
10476 board[toY][toX] = piece;
10480 if (gameInfo.holdingsWidth != 0) {
10482 /* !!A lot more code needs to be written to support holdings */
10483 /* [HGM] OK, so I have written it. Holdings are stored in the */
10484 /* penultimate board files, so they are automaticlly stored */
10485 /* in the game history. */
10486 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10487 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10488 /* Delete from holdings, by decreasing count */
10489 /* and erasing image if necessary */
10490 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10491 if(p < (int) BlackPawn) { /* white drop */
10492 p -= (int)WhitePawn;
10493 p = PieceToNumber((ChessSquare)p);
10494 if(p >= gameInfo.holdingsSize) p = 0;
10495 if(--board[p][BOARD_WIDTH-2] <= 0)
10496 board[p][BOARD_WIDTH-1] = EmptySquare;
10497 if((int)board[p][BOARD_WIDTH-2] < 0)
10498 board[p][BOARD_WIDTH-2] = 0;
10499 } else { /* black drop */
10500 p -= (int)BlackPawn;
10501 p = PieceToNumber((ChessSquare)p);
10502 if(p >= gameInfo.holdingsSize) p = 0;
10503 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10504 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10505 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10506 board[BOARD_HEIGHT-1-p][1] = 0;
10509 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10510 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10511 /* [HGM] holdings: Add to holdings, if holdings exist */
10512 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10513 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10514 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10516 p = (int) captured;
10517 if (p >= (int) BlackPawn) {
10518 p -= (int)BlackPawn;
10519 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10520 /* Restore shogi-promoted piece to its original first */
10521 captured = (ChessSquare) (DEMOTED(captured));
10524 p = PieceToNumber((ChessSquare)p);
10525 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10526 board[p][BOARD_WIDTH-2]++;
10527 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10529 p -= (int)WhitePawn;
10530 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10531 captured = (ChessSquare) (DEMOTED(captured));
10534 p = PieceToNumber((ChessSquare)p);
10535 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10536 board[BOARD_HEIGHT-1-p][1]++;
10537 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10540 } else if (gameInfo.variant == VariantAtomic) {
10541 if (captured != EmptySquare) {
10543 for (y = toY-1; y <= toY+1; y++) {
10544 for (x = toX-1; x <= toX+1; x++) {
10545 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10546 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10547 board[y][x] = EmptySquare;
10551 board[toY][toX] = EmptySquare;
10555 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10556 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10558 if(promoChar == '+') {
10559 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10560 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10561 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10562 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10563 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10564 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10565 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10566 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10567 board[toY][toX] = newPiece;
10569 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10570 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10571 // [HGM] superchess: take promotion piece out of holdings
10572 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10573 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10574 if(!--board[k][BOARD_WIDTH-2])
10575 board[k][BOARD_WIDTH-1] = EmptySquare;
10577 if(!--board[BOARD_HEIGHT-1-k][1])
10578 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10583 /* Updates forwardMostMove */
10585 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10587 int x = toX, y = toY;
10588 char *s = parseList[forwardMostMove];
10589 ChessSquare p = boards[forwardMostMove][toY][toX];
10590 // forwardMostMove++; // [HGM] bare: moved downstream
10592 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10593 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10594 (void) CoordsToAlgebraic(boards[forwardMostMove],
10595 PosFlags(forwardMostMove),
10596 fromY, fromX, y, x, (killX < 0)*promoChar,
10598 if(kill2X >= 0 && kill2Y >= 0)
10599 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10600 if(killX >= 0 && killY >= 0)
10601 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10602 toX + AAA, toY + ONE - '0', promoChar);
10604 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10605 int timeLeft; static int lastLoadFlag=0; int king, piece;
10606 piece = boards[forwardMostMove][fromY][fromX];
10607 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10608 if(gameInfo.variant == VariantKnightmate)
10609 king += (int) WhiteUnicorn - (int) WhiteKing;
10610 if(forwardMostMove == 0) {
10611 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10612 fprintf(serverMoves, "%s;", UserName());
10613 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10614 fprintf(serverMoves, "%s;", second.tidy);
10615 fprintf(serverMoves, "%s;", first.tidy);
10616 if(gameMode == MachinePlaysWhite)
10617 fprintf(serverMoves, "%s;", UserName());
10618 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10619 fprintf(serverMoves, "%s;", second.tidy);
10620 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10621 lastLoadFlag = loadFlag;
10623 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10624 // print castling suffix
10625 if( toY == fromY && piece == king ) {
10627 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10629 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10632 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10633 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10634 boards[forwardMostMove][toY][toX] == EmptySquare
10635 && fromX != toX && fromY != toY)
10636 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10637 // promotion suffix
10638 if(promoChar != NULLCHAR) {
10639 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10640 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10641 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10642 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10645 char buf[MOVE_LEN*2], *p; int len;
10646 fprintf(serverMoves, "/%d/%d",
10647 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10648 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10649 else timeLeft = blackTimeRemaining/1000;
10650 fprintf(serverMoves, "/%d", timeLeft);
10651 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10652 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10653 if(p = strchr(buf, '=')) *p = NULLCHAR;
10654 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10655 fprintf(serverMoves, "/%s", buf);
10657 fflush(serverMoves);
10660 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10661 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10664 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10665 if (commentList[forwardMostMove+1] != NULL) {
10666 free(commentList[forwardMostMove+1]);
10667 commentList[forwardMostMove+1] = NULL;
10669 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10670 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10671 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10672 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10673 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10674 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10675 adjustedClock = FALSE;
10676 gameInfo.result = GameUnfinished;
10677 if (gameInfo.resultDetails != NULL) {
10678 free(gameInfo.resultDetails);
10679 gameInfo.resultDetails = NULL;
10681 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10682 moveList[forwardMostMove - 1]);
10683 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10689 if(!IS_SHOGI(gameInfo.variant))
10690 strcat(parseList[forwardMostMove - 1], "+");
10694 strcat(parseList[forwardMostMove - 1], "#");
10699 /* Updates currentMove if not pausing */
10701 ShowMove (int fromX, int fromY, int toX, int toY)
10703 int instant = (gameMode == PlayFromGameFile) ?
10704 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10705 if(appData.noGUI) return;
10706 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10708 if (forwardMostMove == currentMove + 1) {
10709 AnimateMove(boards[forwardMostMove - 1],
10710 fromX, fromY, toX, toY);
10713 currentMove = forwardMostMove;
10716 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10718 if (instant) return;
10720 DisplayMove(currentMove - 1);
10721 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10722 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10723 SetHighlights(fromX, fromY, toX, toY);
10726 DrawPosition(FALSE, boards[currentMove]);
10727 DisplayBothClocks();
10728 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10732 SendEgtPath (ChessProgramState *cps)
10733 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10734 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10736 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10739 char c, *q = name+1, *r, *s;
10741 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10742 while(*p && *p != ',') *q++ = *p++;
10743 *q++ = ':'; *q = 0;
10744 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10745 strcmp(name, ",nalimov:") == 0 ) {
10746 // take nalimov path from the menu-changeable option first, if it is defined
10747 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10748 SendToProgram(buf,cps); // send egtbpath command for nalimov
10750 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10751 (s = StrStr(appData.egtFormats, name)) != NULL) {
10752 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10753 s = r = StrStr(s, ":") + 1; // beginning of path info
10754 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10755 c = *r; *r = 0; // temporarily null-terminate path info
10756 *--q = 0; // strip of trailig ':' from name
10757 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10759 SendToProgram(buf,cps); // send egtbpath command for this format
10761 if(*p == ',') p++; // read away comma to position for next format name
10766 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10768 int width = 8, height = 8, holdings = 0; // most common sizes
10769 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10770 // correct the deviations default for each variant
10771 if( v == VariantXiangqi ) width = 9, height = 10;
10772 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10773 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10774 if( v == VariantCapablanca || v == VariantCapaRandom ||
10775 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10777 if( v == VariantCourier ) width = 12;
10778 if( v == VariantSuper ) holdings = 8;
10779 if( v == VariantGreat ) width = 10, holdings = 8;
10780 if( v == VariantSChess ) holdings = 7;
10781 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10782 if( v == VariantChuChess) width = 10, height = 10;
10783 if( v == VariantChu ) width = 12, height = 12;
10784 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10785 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10786 holdingsSize >= 0 && holdingsSize != holdings;
10789 char variantError[MSG_SIZ];
10792 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10793 { // returns error message (recognizable by upper-case) if engine does not support the variant
10794 char *p, *variant = VariantName(v);
10795 static char b[MSG_SIZ];
10796 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10797 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10798 holdingsSize, variant); // cook up sized variant name
10799 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10800 if(StrStr(list, b) == NULL) {
10801 // specific sized variant not known, check if general sizing allowed
10802 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10803 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10804 boardWidth, boardHeight, holdingsSize, engine);
10807 /* [HGM] here we really should compare with the maximum supported board size */
10809 } else snprintf(b, MSG_SIZ,"%s", variant);
10810 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10811 p = StrStr(list, b);
10812 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10814 // occurs not at all in list, or only as sub-string
10815 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10816 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10817 int l = strlen(variantError);
10819 while(p != list && p[-1] != ',') p--;
10820 q = strchr(p, ',');
10821 if(q) *q = NULLCHAR;
10822 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10831 InitChessProgram (ChessProgramState *cps, int setup)
10832 /* setup needed to setup FRC opening position */
10834 char buf[MSG_SIZ], *b;
10835 if (appData.noChessProgram) return;
10836 hintRequested = FALSE;
10837 bookRequested = FALSE;
10839 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10840 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10841 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10842 if(cps->memSize) { /* [HGM] memory */
10843 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10844 SendToProgram(buf, cps);
10846 SendEgtPath(cps); /* [HGM] EGT */
10847 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10848 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10849 SendToProgram(buf, cps);
10852 setboardSpoiledMachineBlack = FALSE;
10853 SendToProgram(cps->initString, cps);
10854 if (gameInfo.variant != VariantNormal &&
10855 gameInfo.variant != VariantLoadable
10856 /* [HGM] also send variant if board size non-standard */
10857 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10859 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10860 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10864 char c, *q = cps->variants, *p = strchr(q, ',');
10865 if(p) *p = NULLCHAR;
10866 v = StringToVariant(q);
10867 DisplayError(variantError, 0);
10868 if(v != VariantUnknown && cps == &first) {
10870 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10871 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10872 ASSIGN(appData.variant, q);
10873 Reset(TRUE, FALSE);
10879 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10880 SendToProgram(buf, cps);
10882 currentlyInitializedVariant = gameInfo.variant;
10884 /* [HGM] send opening position in FRC to first engine */
10886 SendToProgram("force\n", cps);
10888 /* engine is now in force mode! Set flag to wake it up after first move. */
10889 setboardSpoiledMachineBlack = 1;
10892 if (cps->sendICS) {
10893 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10894 SendToProgram(buf, cps);
10896 cps->maybeThinking = FALSE;
10897 cps->offeredDraw = 0;
10898 if (!appData.icsActive) {
10899 SendTimeControl(cps, movesPerSession, timeControl,
10900 timeIncrement, appData.searchDepth,
10903 if (appData.showThinking
10904 // [HGM] thinking: four options require thinking output to be sent
10905 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10907 SendToProgram("post\n", cps);
10909 SendToProgram("hard\n", cps);
10910 if (!appData.ponderNextMove) {
10911 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10912 it without being sure what state we are in first. "hard"
10913 is not a toggle, so that one is OK.
10915 SendToProgram("easy\n", cps);
10917 if (cps->usePing) {
10918 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10919 SendToProgram(buf, cps);
10921 cps->initDone = TRUE;
10922 ClearEngineOutputPane(cps == &second);
10927 ResendOptions (ChessProgramState *cps)
10928 { // send the stored value of the options
10931 Option *opt = cps->option;
10932 for(i=0; i<cps->nrOptions; i++, opt++) {
10933 switch(opt->type) {
10937 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10940 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10943 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10949 SendToProgram(buf, cps);
10954 StartChessProgram (ChessProgramState *cps)
10959 if (appData.noChessProgram) return;
10960 cps->initDone = FALSE;
10962 if (strcmp(cps->host, "localhost") == 0) {
10963 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10964 } else if (*appData.remoteShell == NULLCHAR) {
10965 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10967 if (*appData.remoteUser == NULLCHAR) {
10968 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10971 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10972 cps->host, appData.remoteUser, cps->program);
10974 err = StartChildProcess(buf, "", &cps->pr);
10978 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10979 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10980 if(cps != &first) return;
10981 appData.noChessProgram = TRUE;
10984 // DisplayFatalError(buf, err, 1);
10985 // cps->pr = NoProc;
10986 // cps->isr = NULL;
10990 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10991 if (cps->protocolVersion > 1) {
10992 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10993 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10994 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10995 cps->comboCnt = 0; // and values of combo boxes
10997 SendToProgram(buf, cps);
10998 if(cps->reload) ResendOptions(cps);
11000 SendToProgram("xboard\n", cps);
11005 TwoMachinesEventIfReady P((void))
11007 static int curMess = 0;
11008 if (first.lastPing != first.lastPong) {
11009 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11010 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11013 if (second.lastPing != second.lastPong) {
11014 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11015 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11018 DisplayMessage("", ""); curMess = 0;
11019 TwoMachinesEvent();
11023 MakeName (char *template)
11027 static char buf[MSG_SIZ];
11031 clock = time((time_t *)NULL);
11032 tm = localtime(&clock);
11034 while(*p++ = *template++) if(p[-1] == '%') {
11035 switch(*template++) {
11036 case 0: *p = 0; return buf;
11037 case 'Y': i = tm->tm_year+1900; break;
11038 case 'y': i = tm->tm_year-100; break;
11039 case 'M': i = tm->tm_mon+1; break;
11040 case 'd': i = tm->tm_mday; break;
11041 case 'h': i = tm->tm_hour; break;
11042 case 'm': i = tm->tm_min; break;
11043 case 's': i = tm->tm_sec; break;
11046 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11052 CountPlayers (char *p)
11055 while(p = strchr(p, '\n')) p++, n++; // count participants
11060 WriteTourneyFile (char *results, FILE *f)
11061 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11062 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11063 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11064 // create a file with tournament description
11065 fprintf(f, "-participants {%s}\n", appData.participants);
11066 fprintf(f, "-seedBase %d\n", appData.seedBase);
11067 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11068 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11069 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11070 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11071 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11072 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11073 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11074 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11075 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11076 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11077 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11078 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11079 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11080 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11081 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11082 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11083 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11084 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11085 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11086 fprintf(f, "-smpCores %d\n", appData.smpCores);
11088 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11090 fprintf(f, "-mps %d\n", appData.movesPerSession);
11091 fprintf(f, "-tc %s\n", appData.timeControl);
11092 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11094 fprintf(f, "-results \"%s\"\n", results);
11099 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11102 Substitute (char *participants, int expunge)
11104 int i, changed, changes=0, nPlayers=0;
11105 char *p, *q, *r, buf[MSG_SIZ];
11106 if(participants == NULL) return;
11107 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11108 r = p = participants; q = appData.participants;
11109 while(*p && *p == *q) {
11110 if(*p == '\n') r = p+1, nPlayers++;
11113 if(*p) { // difference
11114 while(*p && *p++ != '\n')
11116 while(*q && *q++ != '\n')
11118 changed = nPlayers;
11119 changes = 1 + (strcmp(p, q) != 0);
11121 if(changes == 1) { // a single engine mnemonic was changed
11122 q = r; while(*q) nPlayers += (*q++ == '\n');
11123 p = buf; while(*r && (*p = *r++) != '\n') p++;
11125 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11126 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11127 if(mnemonic[i]) { // The substitute is valid
11129 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11130 flock(fileno(f), LOCK_EX);
11131 ParseArgsFromFile(f);
11132 fseek(f, 0, SEEK_SET);
11133 FREE(appData.participants); appData.participants = participants;
11134 if(expunge) { // erase results of replaced engine
11135 int len = strlen(appData.results), w, b, dummy;
11136 for(i=0; i<len; i++) {
11137 Pairing(i, nPlayers, &w, &b, &dummy);
11138 if((w == changed || b == changed) && appData.results[i] == '*') {
11139 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11144 for(i=0; i<len; i++) {
11145 Pairing(i, nPlayers, &w, &b, &dummy);
11146 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11149 WriteTourneyFile(appData.results, f);
11150 fclose(f); // release lock
11153 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11155 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11156 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11157 free(participants);
11162 CheckPlayers (char *participants)
11165 char buf[MSG_SIZ], *p;
11166 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11167 while(p = strchr(participants, '\n')) {
11169 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11171 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11173 DisplayError(buf, 0);
11177 participants = p + 1;
11183 CreateTourney (char *name)
11186 if(matchMode && strcmp(name, appData.tourneyFile)) {
11187 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11189 if(name[0] == NULLCHAR) {
11190 if(appData.participants[0])
11191 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11194 f = fopen(name, "r");
11195 if(f) { // file exists
11196 ASSIGN(appData.tourneyFile, name);
11197 ParseArgsFromFile(f); // parse it
11199 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11200 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11201 DisplayError(_("Not enough participants"), 0);
11204 if(CheckPlayers(appData.participants)) return 0;
11205 ASSIGN(appData.tourneyFile, name);
11206 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11207 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11210 appData.noChessProgram = FALSE;
11211 appData.clockMode = TRUE;
11217 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11219 char buf[2*MSG_SIZ], *p, *q;
11220 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11221 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11222 skip = !all && group[0]; // if group requested, we start in skip mode
11223 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11224 p = names; q = buf; header = 0;
11225 while(*p && *p != '\n') *q++ = *p++;
11227 if(*p == '\n') p++;
11228 if(buf[0] == '#') {
11229 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11230 depth++; // we must be entering a new group
11231 if(all) continue; // suppress printing group headers when complete list requested
11233 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11235 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11236 if(engineList[i]) free(engineList[i]);
11237 engineList[i] = strdup(buf);
11238 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11239 if(engineMnemonic[i]) free(engineMnemonic[i]);
11240 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11242 sscanf(q + 8, "%s", buf + strlen(buf));
11245 engineMnemonic[i] = strdup(buf);
11248 engineList[i] = engineMnemonic[i] = NULL;
11252 // following implemented as macro to avoid type limitations
11253 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11256 SwapEngines (int n)
11257 { // swap settings for first engine and other engine (so far only some selected options)
11262 SWAP(chessProgram, p)
11264 SWAP(hasOwnBookUCI, h)
11265 SWAP(protocolVersion, h)
11267 SWAP(scoreIsAbsolute, h)
11272 SWAP(engOptions, p)
11273 SWAP(engInitString, p)
11274 SWAP(computerString, p)
11276 SWAP(fenOverride, p)
11278 SWAP(accumulateTC, h)
11285 GetEngineLine (char *s, int n)
11289 extern char *icsNames;
11290 if(!s || !*s) return 0;
11291 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11292 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11293 if(!mnemonic[i]) return 0;
11294 if(n == 11) return 1; // just testing if there was a match
11295 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11296 if(n == 1) SwapEngines(n);
11297 ParseArgsFromString(buf);
11298 if(n == 1) SwapEngines(n);
11299 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11300 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11301 ParseArgsFromString(buf);
11307 SetPlayer (int player, char *p)
11308 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11310 char buf[MSG_SIZ], *engineName;
11311 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11312 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11313 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11315 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11316 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11317 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11318 ParseArgsFromString(buf);
11319 } else { // no engine with this nickname is installed!
11320 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11321 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11322 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11324 DisplayError(buf, 0);
11331 char *recentEngines;
11334 RecentEngineEvent (int nr)
11337 // SwapEngines(1); // bump first to second
11338 // ReplaceEngine(&second, 1); // and load it there
11339 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11340 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11341 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11342 ReplaceEngine(&first, 0);
11343 FloatToFront(&appData.recentEngineList, command[n]);
11348 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11349 { // determine players from game number
11350 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11352 if(appData.tourneyType == 0) {
11353 roundsPerCycle = (nPlayers - 1) | 1;
11354 pairingsPerRound = nPlayers / 2;
11355 } else if(appData.tourneyType > 0) {
11356 roundsPerCycle = nPlayers - appData.tourneyType;
11357 pairingsPerRound = appData.tourneyType;
11359 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11360 gamesPerCycle = gamesPerRound * roundsPerCycle;
11361 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11362 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11363 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11364 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11365 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11366 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11368 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11369 if(appData.roundSync) *syncInterval = gamesPerRound;
11371 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11373 if(appData.tourneyType == 0) {
11374 if(curPairing == (nPlayers-1)/2 ) {
11375 *whitePlayer = curRound;
11376 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11378 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11379 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11380 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11381 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11383 } else if(appData.tourneyType > 1) {
11384 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11385 *whitePlayer = curRound + appData.tourneyType;
11386 } else if(appData.tourneyType > 0) {
11387 *whitePlayer = curPairing;
11388 *blackPlayer = curRound + appData.tourneyType;
11391 // take care of white/black alternation per round.
11392 // For cycles and games this is already taken care of by default, derived from matchGame!
11393 return curRound & 1;
11397 NextTourneyGame (int nr, int *swapColors)
11398 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11400 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11402 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11403 tf = fopen(appData.tourneyFile, "r");
11404 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11405 ParseArgsFromFile(tf); fclose(tf);
11406 InitTimeControls(); // TC might be altered from tourney file
11408 nPlayers = CountPlayers(appData.participants); // count participants
11409 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11410 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11413 p = q = appData.results;
11414 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11415 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11416 DisplayMessage(_("Waiting for other game(s)"),"");
11417 waitingForGame = TRUE;
11418 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11421 waitingForGame = FALSE;
11424 if(appData.tourneyType < 0) {
11425 if(nr>=0 && !pairingReceived) {
11427 if(pairing.pr == NoProc) {
11428 if(!appData.pairingEngine[0]) {
11429 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11432 StartChessProgram(&pairing); // starts the pairing engine
11434 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11435 SendToProgram(buf, &pairing);
11436 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11437 SendToProgram(buf, &pairing);
11438 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11440 pairingReceived = 0; // ... so we continue here
11442 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11443 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11444 matchGame = 1; roundNr = nr / syncInterval + 1;
11447 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11449 // redefine engines, engine dir, etc.
11450 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11451 if(first.pr == NoProc) {
11452 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11453 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11455 if(second.pr == NoProc) {
11457 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11458 SwapEngines(1); // and make that valid for second engine by swapping
11459 InitEngine(&second, 1);
11461 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11462 UpdateLogos(FALSE); // leave display to ModeHiglight()
11468 { // performs game initialization that does not invoke engines, and then tries to start the game
11469 int res, firstWhite, swapColors = 0;
11470 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11471 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
11473 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11474 if(strcmp(buf, currentDebugFile)) { // name has changed
11475 FILE *f = fopen(buf, "w");
11476 if(f) { // if opening the new file failed, just keep using the old one
11477 ASSIGN(currentDebugFile, buf);
11481 if(appData.serverFileName) {
11482 if(serverFP) fclose(serverFP);
11483 serverFP = fopen(appData.serverFileName, "w");
11484 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11485 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11489 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11490 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11491 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11492 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11493 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11494 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11495 Reset(FALSE, first.pr != NoProc);
11496 res = LoadGameOrPosition(matchGame); // setup game
11497 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11498 if(!res) return; // abort when bad game/pos file
11499 if(appData.epd) {// in EPD mode we make sure first engine is to move
11500 firstWhite = !(forwardMostMove & 1);
11501 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11502 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11504 TwoMachinesEvent();
11508 UserAdjudicationEvent (int result)
11510 ChessMove gameResult = GameIsDrawn;
11513 gameResult = WhiteWins;
11515 else if( result < 0 ) {
11516 gameResult = BlackWins;
11519 if( gameMode == TwoMachinesPlay ) {
11520 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11525 // [HGM] save: calculate checksum of game to make games easily identifiable
11527 StringCheckSum (char *s)
11530 if(s==NULL) return 0;
11531 while(*s) i = i*259 + *s++;
11539 for(i=backwardMostMove; i<forwardMostMove; i++) {
11540 sum += pvInfoList[i].depth;
11541 sum += StringCheckSum(parseList[i]);
11542 sum += StringCheckSum(commentList[i]);
11545 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11546 return sum + StringCheckSum(commentList[i]);
11547 } // end of save patch
11550 GameEnds (ChessMove result, char *resultDetails, int whosays)
11552 GameMode nextGameMode;
11554 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11556 if(endingGame) return; /* [HGM] crash: forbid recursion */
11558 if(twoBoards) { // [HGM] dual: switch back to one board
11559 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11560 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11562 if (appData.debugMode) {
11563 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11564 result, resultDetails ? resultDetails : "(null)", whosays);
11567 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11569 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11571 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11572 /* If we are playing on ICS, the server decides when the
11573 game is over, but the engine can offer to draw, claim
11577 if (appData.zippyPlay && first.initDone) {
11578 if (result == GameIsDrawn) {
11579 /* In case draw still needs to be claimed */
11580 SendToICS(ics_prefix);
11581 SendToICS("draw\n");
11582 } else if (StrCaseStr(resultDetails, "resign")) {
11583 SendToICS(ics_prefix);
11584 SendToICS("resign\n");
11588 endingGame = 0; /* [HGM] crash */
11592 /* If we're loading the game from a file, stop */
11593 if (whosays == GE_FILE) {
11594 (void) StopLoadGameTimer();
11598 /* Cancel draw offers */
11599 first.offeredDraw = second.offeredDraw = 0;
11601 /* If this is an ICS game, only ICS can really say it's done;
11602 if not, anyone can. */
11603 isIcsGame = (gameMode == IcsPlayingWhite ||
11604 gameMode == IcsPlayingBlack ||
11605 gameMode == IcsObserving ||
11606 gameMode == IcsExamining);
11608 if (!isIcsGame || whosays == GE_ICS) {
11609 /* OK -- not an ICS game, or ICS said it was done */
11611 if (!isIcsGame && !appData.noChessProgram)
11612 SetUserThinkingEnables();
11614 /* [HGM] if a machine claims the game end we verify this claim */
11615 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11616 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11618 ChessMove trueResult = (ChessMove) -1;
11620 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11621 first.twoMachinesColor[0] :
11622 second.twoMachinesColor[0] ;
11624 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11625 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11626 /* [HGM] verify: engine mate claims accepted if they were flagged */
11627 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11629 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11630 /* [HGM] verify: engine mate claims accepted if they were flagged */
11631 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11633 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11634 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11637 // now verify win claims, but not in drop games, as we don't understand those yet
11638 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11639 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11640 (result == WhiteWins && claimer == 'w' ||
11641 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11642 if (appData.debugMode) {
11643 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11644 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11646 if(result != trueResult) {
11647 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11648 result = claimer == 'w' ? BlackWins : WhiteWins;
11649 resultDetails = buf;
11652 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11653 && (forwardMostMove <= backwardMostMove ||
11654 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11655 (claimer=='b')==(forwardMostMove&1))
11657 /* [HGM] verify: draws that were not flagged are false claims */
11658 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11659 result = claimer == 'w' ? BlackWins : WhiteWins;
11660 resultDetails = buf;
11662 /* (Claiming a loss is accepted no questions asked!) */
11663 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11664 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11665 result = GameUnfinished;
11666 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11668 /* [HGM] bare: don't allow bare King to win */
11669 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11670 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11671 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11672 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11673 && result != GameIsDrawn)
11674 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11675 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11676 int p = (int)boards[forwardMostMove][i][j] - color;
11677 if(p >= 0 && p <= (int)WhiteKing) k++;
11678 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11680 if (appData.debugMode) {
11681 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11682 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11684 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11685 result = GameIsDrawn;
11686 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11687 resultDetails = buf;
11693 if(serverMoves != NULL && !loadFlag) { char c = '=';
11694 if(result==WhiteWins) c = '+';
11695 if(result==BlackWins) c = '-';
11696 if(resultDetails != NULL)
11697 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11699 if (resultDetails != NULL) {
11700 gameInfo.result = result;
11701 gameInfo.resultDetails = StrSave(resultDetails);
11703 /* display last move only if game was not loaded from file */
11704 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11705 DisplayMove(currentMove - 1);
11707 if (forwardMostMove != 0) {
11708 if (gameMode != PlayFromGameFile && gameMode != EditGame
11709 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11711 if (*appData.saveGameFile != NULLCHAR) {
11712 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11713 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11715 SaveGameToFile(appData.saveGameFile, TRUE);
11716 } else if (appData.autoSaveGames) {
11717 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11719 if (*appData.savePositionFile != NULLCHAR) {
11720 SavePositionToFile(appData.savePositionFile);
11722 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11726 /* Tell program how game ended in case it is learning */
11727 /* [HGM] Moved this to after saving the PGN, just in case */
11728 /* engine died and we got here through time loss. In that */
11729 /* case we will get a fatal error writing the pipe, which */
11730 /* would otherwise lose us the PGN. */
11731 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11732 /* output during GameEnds should never be fatal anymore */
11733 if (gameMode == MachinePlaysWhite ||
11734 gameMode == MachinePlaysBlack ||
11735 gameMode == TwoMachinesPlay ||
11736 gameMode == IcsPlayingWhite ||
11737 gameMode == IcsPlayingBlack ||
11738 gameMode == BeginningOfGame) {
11740 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11742 if (first.pr != NoProc) {
11743 SendToProgram(buf, &first);
11745 if (second.pr != NoProc &&
11746 gameMode == TwoMachinesPlay) {
11747 SendToProgram(buf, &second);
11752 if (appData.icsActive) {
11753 if (appData.quietPlay &&
11754 (gameMode == IcsPlayingWhite ||
11755 gameMode == IcsPlayingBlack)) {
11756 SendToICS(ics_prefix);
11757 SendToICS("set shout 1\n");
11759 nextGameMode = IcsIdle;
11760 ics_user_moved = FALSE;
11761 /* clean up premove. It's ugly when the game has ended and the
11762 * premove highlights are still on the board.
11765 gotPremove = FALSE;
11766 ClearPremoveHighlights();
11767 DrawPosition(FALSE, boards[currentMove]);
11769 if (whosays == GE_ICS) {
11772 if (gameMode == IcsPlayingWhite)
11774 else if(gameMode == IcsPlayingBlack)
11775 PlayIcsLossSound();
11778 if (gameMode == IcsPlayingBlack)
11780 else if(gameMode == IcsPlayingWhite)
11781 PlayIcsLossSound();
11784 PlayIcsDrawSound();
11787 PlayIcsUnfinishedSound();
11790 if(appData.quitNext) { ExitEvent(0); return; }
11791 } else if (gameMode == EditGame ||
11792 gameMode == PlayFromGameFile ||
11793 gameMode == AnalyzeMode ||
11794 gameMode == AnalyzeFile) {
11795 nextGameMode = gameMode;
11797 nextGameMode = EndOfGame;
11802 nextGameMode = gameMode;
11805 if (appData.noChessProgram) {
11806 gameMode = nextGameMode;
11808 endingGame = 0; /* [HGM] crash */
11813 /* Put first chess program into idle state */
11814 if (first.pr != NoProc &&
11815 (gameMode == MachinePlaysWhite ||
11816 gameMode == MachinePlaysBlack ||
11817 gameMode == TwoMachinesPlay ||
11818 gameMode == IcsPlayingWhite ||
11819 gameMode == IcsPlayingBlack ||
11820 gameMode == BeginningOfGame)) {
11821 SendToProgram("force\n", &first);
11822 if (first.usePing) {
11824 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11825 SendToProgram(buf, &first);
11828 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11829 /* Kill off first chess program */
11830 if (first.isr != NULL)
11831 RemoveInputSource(first.isr);
11834 if (first.pr != NoProc) {
11836 DoSleep( appData.delayBeforeQuit );
11837 SendToProgram("quit\n", &first);
11838 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11839 first.reload = TRUE;
11843 if (second.reuse) {
11844 /* Put second chess program into idle state */
11845 if (second.pr != NoProc &&
11846 gameMode == TwoMachinesPlay) {
11847 SendToProgram("force\n", &second);
11848 if (second.usePing) {
11850 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11851 SendToProgram(buf, &second);
11854 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11855 /* Kill off second chess program */
11856 if (second.isr != NULL)
11857 RemoveInputSource(second.isr);
11860 if (second.pr != NoProc) {
11861 DoSleep( appData.delayBeforeQuit );
11862 SendToProgram("quit\n", &second);
11863 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11864 second.reload = TRUE;
11866 second.pr = NoProc;
11869 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11870 char resChar = '=';
11874 if (first.twoMachinesColor[0] == 'w') {
11877 second.matchWins++;
11882 if (first.twoMachinesColor[0] == 'b') {
11885 second.matchWins++;
11888 case GameUnfinished:
11894 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11895 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11896 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11897 ReserveGame(nextGame, resChar); // sets nextGame
11898 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11899 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11900 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11902 if (nextGame <= appData.matchGames && !abortMatch) {
11903 gameMode = nextGameMode;
11904 matchGame = nextGame; // this will be overruled in tourney mode!
11905 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11906 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11907 endingGame = 0; /* [HGM] crash */
11910 gameMode = nextGameMode;
11912 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11913 OutputKibitz(2, buf);
11914 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11915 OutputKibitz(2, buf);
11916 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11917 if(second.matchWins) OutputKibitz(2, buf);
11918 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11919 OutputKibitz(2, buf);
11921 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11922 first.tidy, second.tidy,
11923 first.matchWins, second.matchWins,
11924 appData.matchGames - (first.matchWins + second.matchWins));
11925 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11926 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11927 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11928 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11929 first.twoMachinesColor = "black\n";
11930 second.twoMachinesColor = "white\n";
11932 first.twoMachinesColor = "white\n";
11933 second.twoMachinesColor = "black\n";
11937 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11938 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11940 gameMode = nextGameMode;
11942 endingGame = 0; /* [HGM] crash */
11943 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11944 if(matchMode == TRUE) { // match through command line: exit with or without popup
11946 ToNrEvent(forwardMostMove);
11947 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11949 } else DisplayFatalError(buf, 0, 0);
11950 } else { // match through menu; just stop, with or without popup
11951 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11954 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11955 } else DisplayNote(buf);
11957 if(ranking) free(ranking);
11961 /* Assumes program was just initialized (initString sent).
11962 Leaves program in force mode. */
11964 FeedMovesToProgram (ChessProgramState *cps, int upto)
11968 if (appData.debugMode)
11969 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11970 startedFromSetupPosition ? "position and " : "",
11971 backwardMostMove, upto, cps->which);
11972 if(currentlyInitializedVariant != gameInfo.variant) {
11974 // [HGM] variantswitch: make engine aware of new variant
11975 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11976 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11977 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11978 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11979 SendToProgram(buf, cps);
11980 currentlyInitializedVariant = gameInfo.variant;
11982 SendToProgram("force\n", cps);
11983 if (startedFromSetupPosition) {
11984 SendBoard(cps, backwardMostMove);
11985 if (appData.debugMode) {
11986 fprintf(debugFP, "feedMoves\n");
11989 for (i = backwardMostMove; i < upto; i++) {
11990 SendMoveToProgram(i, cps);
11996 ResurrectChessProgram ()
11998 /* The chess program may have exited.
11999 If so, restart it and feed it all the moves made so far. */
12000 static int doInit = 0;
12002 if (appData.noChessProgram) return 1;
12004 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12005 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12006 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12007 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12009 if (first.pr != NoProc) return 1;
12010 StartChessProgram(&first);
12012 InitChessProgram(&first, FALSE);
12013 FeedMovesToProgram(&first, currentMove);
12015 if (!first.sendTime) {
12016 /* can't tell gnuchess what its clock should read,
12017 so we bow to its notion. */
12019 timeRemaining[0][currentMove] = whiteTimeRemaining;
12020 timeRemaining[1][currentMove] = blackTimeRemaining;
12023 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12024 appData.icsEngineAnalyze) && first.analysisSupport) {
12025 SendToProgram("analyze\n", &first);
12026 first.analyzing = TRUE;
12032 * Button procedures
12035 Reset (int redraw, int init)
12039 if (appData.debugMode) {
12040 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12041 redraw, init, gameMode);
12043 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12044 deadRanks = 0; // assume entire board is used
12045 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12046 CleanupTail(); // [HGM] vari: delete any stored variations
12047 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12048 pausing = pauseExamInvalid = FALSE;
12049 startedFromSetupPosition = blackPlaysFirst = FALSE;
12051 whiteFlag = blackFlag = FALSE;
12052 userOfferedDraw = FALSE;
12053 hintRequested = bookRequested = FALSE;
12054 first.maybeThinking = FALSE;
12055 second.maybeThinking = FALSE;
12056 first.bookSuspend = FALSE; // [HGM] book
12057 second.bookSuspend = FALSE;
12058 thinkOutput[0] = NULLCHAR;
12059 lastHint[0] = NULLCHAR;
12060 ClearGameInfo(&gameInfo);
12061 gameInfo.variant = StringToVariant(appData.variant);
12062 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12063 gameInfo.variant = VariantUnknown;
12064 strncpy(engineVariant, appData.variant, MSG_SIZ);
12066 ics_user_moved = ics_clock_paused = FALSE;
12067 ics_getting_history = H_FALSE;
12069 white_holding[0] = black_holding[0] = NULLCHAR;
12070 ClearProgramStats();
12071 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12075 flipView = appData.flipView;
12076 ClearPremoveHighlights();
12077 gotPremove = FALSE;
12078 alarmSounded = FALSE;
12079 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12081 GameEnds(EndOfFile, NULL, GE_PLAYER);
12082 if(appData.serverMovesName != NULL) {
12083 /* [HGM] prepare to make moves file for broadcasting */
12084 clock_t t = clock();
12085 if(serverMoves != NULL) fclose(serverMoves);
12086 serverMoves = fopen(appData.serverMovesName, "r");
12087 if(serverMoves != NULL) {
12088 fclose(serverMoves);
12089 /* delay 15 sec before overwriting, so all clients can see end */
12090 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12092 serverMoves = fopen(appData.serverMovesName, "w");
12096 gameMode = BeginningOfGame;
12098 if(appData.icsActive) gameInfo.variant = VariantNormal;
12099 currentMove = forwardMostMove = backwardMostMove = 0;
12100 MarkTargetSquares(1);
12101 InitPosition(redraw);
12102 for (i = 0; i < MAX_MOVES; i++) {
12103 if (commentList[i] != NULL) {
12104 free(commentList[i]);
12105 commentList[i] = NULL;
12109 timeRemaining[0][0] = whiteTimeRemaining;
12110 timeRemaining[1][0] = blackTimeRemaining;
12112 if (first.pr == NoProc) {
12113 StartChessProgram(&first);
12116 InitChessProgram(&first, startedFromSetupPosition);
12119 DisplayMessage("", "");
12120 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12121 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12122 ClearMap(); // [HGM] exclude: invalidate map
12126 AutoPlayGameLoop ()
12129 if (!AutoPlayOneMove())
12131 if (matchMode || appData.timeDelay == 0)
12133 if (appData.timeDelay < 0)
12135 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12143 ReloadGame(1); // next game
12149 int fromX, fromY, toX, toY;
12151 if (appData.debugMode) {
12152 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12155 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12158 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12159 pvInfoList[currentMove].depth = programStats.depth;
12160 pvInfoList[currentMove].score = programStats.score;
12161 pvInfoList[currentMove].time = 0;
12162 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12163 else { // append analysis of final position as comment
12165 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12166 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12168 programStats.depth = 0;
12171 if (currentMove >= forwardMostMove) {
12172 if(gameMode == AnalyzeFile) {
12173 if(appData.loadGameIndex == -1) {
12174 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12175 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12177 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12180 // gameMode = EndOfGame;
12181 // ModeHighlight();
12183 /* [AS] Clear current move marker at the end of a game */
12184 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12189 toX = moveList[currentMove][2] - AAA;
12190 toY = moveList[currentMove][3] - ONE;
12192 if (moveList[currentMove][1] == '@') {
12193 if (appData.highlightLastMove) {
12194 SetHighlights(-1, -1, toX, toY);
12197 fromX = moveList[currentMove][0] - AAA;
12198 fromY = moveList[currentMove][1] - ONE;
12200 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12202 if(moveList[currentMove][4] == ';') { // multi-leg
12203 killX = moveList[currentMove][5] - AAA;
12204 killY = moveList[currentMove][6] - ONE;
12206 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12207 killX = killY = -1;
12209 if (appData.highlightLastMove) {
12210 SetHighlights(fromX, fromY, toX, toY);
12213 DisplayMove(currentMove);
12214 SendMoveToProgram(currentMove++, &first);
12215 DisplayBothClocks();
12216 DrawPosition(FALSE, boards[currentMove]);
12217 // [HGM] PV info: always display, routine tests if empty
12218 DisplayComment(currentMove - 1, commentList[currentMove]);
12224 LoadGameOneMove (ChessMove readAhead)
12226 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12227 char promoChar = NULLCHAR;
12228 ChessMove moveType;
12229 char move[MSG_SIZ];
12232 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12233 gameMode != AnalyzeMode && gameMode != Training) {
12238 yyboardindex = forwardMostMove;
12239 if (readAhead != EndOfFile) {
12240 moveType = readAhead;
12242 if (gameFileFP == NULL)
12244 moveType = (ChessMove) Myylex();
12248 switch (moveType) {
12250 if (appData.debugMode)
12251 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12254 /* append the comment but don't display it */
12255 AppendComment(currentMove, p, FALSE);
12258 case WhiteCapturesEnPassant:
12259 case BlackCapturesEnPassant:
12260 case WhitePromotion:
12261 case BlackPromotion:
12262 case WhiteNonPromotion:
12263 case BlackNonPromotion:
12266 case WhiteKingSideCastle:
12267 case WhiteQueenSideCastle:
12268 case BlackKingSideCastle:
12269 case BlackQueenSideCastle:
12270 case WhiteKingSideCastleWild:
12271 case WhiteQueenSideCastleWild:
12272 case BlackKingSideCastleWild:
12273 case BlackQueenSideCastleWild:
12275 case WhiteHSideCastleFR:
12276 case WhiteASideCastleFR:
12277 case BlackHSideCastleFR:
12278 case BlackASideCastleFR:
12280 if (appData.debugMode)
12281 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12282 fromX = currentMoveString[0] - AAA;
12283 fromY = currentMoveString[1] - ONE;
12284 toX = currentMoveString[2] - AAA;
12285 toY = currentMoveString[3] - ONE;
12286 promoChar = currentMoveString[4];
12287 if(promoChar == ';') promoChar = currentMoveString[7];
12292 if (appData.debugMode)
12293 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12294 fromX = moveType == WhiteDrop ?
12295 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12296 (int) CharToPiece(ToLower(currentMoveString[0]));
12298 toX = currentMoveString[2] - AAA;
12299 toY = currentMoveString[3] - ONE;
12305 case GameUnfinished:
12306 if (appData.debugMode)
12307 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12308 p = strchr(yy_text, '{');
12309 if (p == NULL) p = strchr(yy_text, '(');
12312 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12314 q = strchr(p, *p == '{' ? '}' : ')');
12315 if (q != NULL) *q = NULLCHAR;
12318 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12319 GameEnds(moveType, p, GE_FILE);
12321 if (cmailMsgLoaded) {
12323 flipView = WhiteOnMove(currentMove);
12324 if (moveType == GameUnfinished) flipView = !flipView;
12325 if (appData.debugMode)
12326 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12331 if (appData.debugMode)
12332 fprintf(debugFP, "Parser hit end of file\n");
12333 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12339 if (WhiteOnMove(currentMove)) {
12340 GameEnds(BlackWins, "Black mates", GE_FILE);
12342 GameEnds(WhiteWins, "White mates", GE_FILE);
12346 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12352 case MoveNumberOne:
12353 if (lastLoadGameStart == GNUChessGame) {
12354 /* GNUChessGames have numbers, but they aren't move numbers */
12355 if (appData.debugMode)
12356 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12357 yy_text, (int) moveType);
12358 return LoadGameOneMove(EndOfFile); /* tail recursion */
12360 /* else fall thru */
12365 /* Reached start of next game in file */
12366 if (appData.debugMode)
12367 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12368 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12374 if (WhiteOnMove(currentMove)) {
12375 GameEnds(BlackWins, "Black mates", GE_FILE);
12377 GameEnds(WhiteWins, "White mates", GE_FILE);
12381 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12387 case PositionDiagram: /* should not happen; ignore */
12388 case ElapsedTime: /* ignore */
12389 case NAG: /* ignore */
12390 if (appData.debugMode)
12391 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12392 yy_text, (int) moveType);
12393 return LoadGameOneMove(EndOfFile); /* tail recursion */
12396 if (appData.testLegality) {
12397 if (appData.debugMode)
12398 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12399 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12400 (forwardMostMove / 2) + 1,
12401 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12402 DisplayError(move, 0);
12405 if (appData.debugMode)
12406 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12407 yy_text, currentMoveString);
12408 if(currentMoveString[1] == '@') {
12409 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12412 fromX = currentMoveString[0] - AAA;
12413 fromY = currentMoveString[1] - ONE;
12415 toX = currentMoveString[2] - AAA;
12416 toY = currentMoveString[3] - ONE;
12417 promoChar = currentMoveString[4];
12421 case AmbiguousMove:
12422 if (appData.debugMode)
12423 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12424 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12425 (forwardMostMove / 2) + 1,
12426 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12427 DisplayError(move, 0);
12432 case ImpossibleMove:
12433 if (appData.debugMode)
12434 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12435 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12436 (forwardMostMove / 2) + 1,
12437 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12438 DisplayError(move, 0);
12444 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12445 DrawPosition(FALSE, boards[currentMove]);
12446 DisplayBothClocks();
12447 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12448 DisplayComment(currentMove - 1, commentList[currentMove]);
12450 (void) StopLoadGameTimer();
12452 cmailOldMove = forwardMostMove;
12455 /* currentMoveString is set as a side-effect of yylex */
12457 thinkOutput[0] = NULLCHAR;
12458 MakeMove(fromX, fromY, toX, toY, promoChar);
12459 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12460 currentMove = forwardMostMove;
12465 /* Load the nth game from the given file */
12467 LoadGameFromFile (char *filename, int n, char *title, int useList)
12472 if (strcmp(filename, "-") == 0) {
12476 f = fopen(filename, "rb");
12478 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12479 DisplayError(buf, errno);
12483 if (fseek(f, 0, 0) == -1) {
12484 /* f is not seekable; probably a pipe */
12487 if (useList && n == 0) {
12488 int error = GameListBuild(f);
12490 DisplayError(_("Cannot build game list"), error);
12491 } else if (!ListEmpty(&gameList) &&
12492 ((ListGame *) gameList.tailPred)->number > 1) {
12493 GameListPopUp(f, title);
12500 return LoadGame(f, n, title, FALSE);
12505 MakeRegisteredMove ()
12507 int fromX, fromY, toX, toY;
12509 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12510 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12513 if (appData.debugMode)
12514 fprintf(debugFP, "Restoring %s for game %d\n",
12515 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12517 thinkOutput[0] = NULLCHAR;
12518 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12519 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12520 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12521 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12522 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12523 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12524 MakeMove(fromX, fromY, toX, toY, promoChar);
12525 ShowMove(fromX, fromY, toX, toY);
12527 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12534 if (WhiteOnMove(currentMove)) {
12535 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12537 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12542 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12549 if (WhiteOnMove(currentMove)) {
12550 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12552 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12557 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12568 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12570 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12574 if (gameNumber > nCmailGames) {
12575 DisplayError(_("No more games in this message"), 0);
12578 if (f == lastLoadGameFP) {
12579 int offset = gameNumber - lastLoadGameNumber;
12581 cmailMsg[0] = NULLCHAR;
12582 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12583 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12584 nCmailMovesRegistered--;
12586 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12587 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12588 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12591 if (! RegisterMove()) return FALSE;
12595 retVal = LoadGame(f, gameNumber, title, useList);
12597 /* Make move registered during previous look at this game, if any */
12598 MakeRegisteredMove();
12600 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12601 commentList[currentMove]
12602 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12603 DisplayComment(currentMove - 1, commentList[currentMove]);
12609 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12611 ReloadGame (int offset)
12613 int gameNumber = lastLoadGameNumber + offset;
12614 if (lastLoadGameFP == NULL) {
12615 DisplayError(_("No game has been loaded yet"), 0);
12618 if (gameNumber <= 0) {
12619 DisplayError(_("Can't back up any further"), 0);
12622 if (cmailMsgLoaded) {
12623 return CmailLoadGame(lastLoadGameFP, gameNumber,
12624 lastLoadGameTitle, lastLoadGameUseList);
12626 return LoadGame(lastLoadGameFP, gameNumber,
12627 lastLoadGameTitle, lastLoadGameUseList);
12631 int keys[EmptySquare+1];
12634 PositionMatches (Board b1, Board b2)
12637 switch(appData.searchMode) {
12638 case 1: return CompareWithRights(b1, b2);
12640 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12641 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12645 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12646 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12647 sum += keys[b1[r][f]] - keys[b2[r][f]];
12651 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12652 sum += keys[b1[r][f]] - keys[b2[r][f]];
12664 int pieceList[256], quickBoard[256];
12665 ChessSquare pieceType[256] = { EmptySquare };
12666 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12667 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12668 int soughtTotal, turn;
12669 Boolean epOK, flipSearch;
12672 unsigned char piece, to;
12675 #define DSIZE (250000)
12677 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12678 Move *moveDatabase = initialSpace;
12679 unsigned int movePtr, dataSize = DSIZE;
12682 MakePieceList (Board board, int *counts)
12684 int r, f, n=Q_PROMO, total=0;
12685 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12686 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12687 int sq = f + (r<<4);
12688 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12689 quickBoard[sq] = ++n;
12691 pieceType[n] = board[r][f];
12692 counts[board[r][f]]++;
12693 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12694 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12698 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12703 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12705 int sq = fromX + (fromY<<4);
12706 int piece = quickBoard[sq], rook;
12707 quickBoard[sq] = 0;
12708 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12709 if(piece == pieceList[1] && fromY == toY) {
12710 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12711 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12712 moveDatabase[movePtr++].piece = Q_WCASTL;
12713 quickBoard[sq] = piece;
12714 piece = quickBoard[from]; quickBoard[from] = 0;
12715 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12716 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12717 quickBoard[sq] = 0; // remove Rook
12718 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12719 moveDatabase[movePtr++].piece = Q_WCASTL;
12720 quickBoard[sq] = pieceList[1]; // put King
12722 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12725 if(piece == pieceList[2] && fromY == toY) {
12726 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12727 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12728 moveDatabase[movePtr++].piece = Q_BCASTL;
12729 quickBoard[sq] = piece;
12730 piece = quickBoard[from]; quickBoard[from] = 0;
12731 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12732 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12733 quickBoard[sq] = 0; // remove Rook
12734 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12735 moveDatabase[movePtr++].piece = Q_BCASTL;
12736 quickBoard[sq] = pieceList[2]; // put King
12738 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12741 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12742 quickBoard[(fromY<<4)+toX] = 0;
12743 moveDatabase[movePtr].piece = Q_EP;
12744 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12745 moveDatabase[movePtr].to = sq;
12747 if(promoPiece != pieceType[piece]) {
12748 moveDatabase[movePtr++].piece = Q_PROMO;
12749 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12751 moveDatabase[movePtr].piece = piece;
12752 quickBoard[sq] = piece;
12757 PackGame (Board board)
12759 Move *newSpace = NULL;
12760 moveDatabase[movePtr].piece = 0; // terminate previous game
12761 if(movePtr > dataSize) {
12762 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12763 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12764 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12767 Move *p = moveDatabase, *q = newSpace;
12768 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12769 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12770 moveDatabase = newSpace;
12771 } else { // calloc failed, we must be out of memory. Too bad...
12772 dataSize = 0; // prevent calloc events for all subsequent games
12773 return 0; // and signal this one isn't cached
12777 MakePieceList(board, counts);
12782 QuickCompare (Board board, int *minCounts, int *maxCounts)
12783 { // compare according to search mode
12785 switch(appData.searchMode)
12787 case 1: // exact position match
12788 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12789 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12790 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12793 case 2: // can have extra material on empty squares
12794 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12795 if(board[r][f] == EmptySquare) continue;
12796 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12799 case 3: // material with exact Pawn structure
12800 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12801 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12802 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12803 } // fall through to material comparison
12804 case 4: // exact material
12805 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12807 case 6: // material range with given imbalance
12808 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12809 // fall through to range comparison
12810 case 5: // material range
12811 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12817 QuickScan (Board board, Move *move)
12818 { // reconstruct game,and compare all positions in it
12819 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12821 int piece = move->piece;
12822 int to = move->to, from = pieceList[piece];
12823 if(found < 0) { // if already found just scan to game end for final piece count
12824 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12825 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12826 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12827 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12829 static int lastCounts[EmptySquare+1];
12831 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12832 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12833 } else stretch = 0;
12834 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12835 if(found >= 0 && !appData.minPieces) return found;
12837 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12838 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12839 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12840 piece = (++move)->piece;
12841 from = pieceList[piece];
12842 counts[pieceType[piece]]--;
12843 pieceType[piece] = (ChessSquare) move->to;
12844 counts[move->to]++;
12845 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12846 counts[pieceType[quickBoard[to]]]--;
12847 quickBoard[to] = 0; total--;
12850 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12851 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12852 from = pieceList[piece]; // so this must be King
12853 quickBoard[from] = 0;
12854 pieceList[piece] = to;
12855 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12856 quickBoard[from] = 0; // rook
12857 quickBoard[to] = piece;
12858 to = move->to; piece = move->piece;
12862 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12863 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12864 quickBoard[from] = 0;
12866 quickBoard[to] = piece;
12867 pieceList[piece] = to;
12877 flipSearch = FALSE;
12878 CopyBoard(soughtBoard, boards[currentMove]);
12879 soughtTotal = MakePieceList(soughtBoard, maxSought);
12880 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12881 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12882 CopyBoard(reverseBoard, boards[currentMove]);
12883 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12884 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12885 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12886 reverseBoard[r][f] = piece;
12888 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12889 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12890 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12891 || (boards[currentMove][CASTLING][2] == NoRights ||
12892 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12893 && (boards[currentMove][CASTLING][5] == NoRights ||
12894 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12897 CopyBoard(flipBoard, soughtBoard);
12898 CopyBoard(rotateBoard, reverseBoard);
12899 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12900 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12901 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12904 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12905 if(appData.searchMode >= 5) {
12906 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12907 MakePieceList(soughtBoard, minSought);
12908 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12910 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12911 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12914 GameInfo dummyInfo;
12915 static int creatingBook;
12918 GameContainsPosition (FILE *f, ListGame *lg)
12920 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12921 int fromX, fromY, toX, toY;
12923 static int initDone=FALSE;
12925 // weed out games based on numerical tag comparison
12926 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12927 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12928 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12929 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12931 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12934 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12935 else CopyBoard(boards[scratch], initialPosition); // default start position
12938 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12939 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12942 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12943 fseek(f, lg->offset, 0);
12946 yyboardindex = scratch;
12947 quickFlag = plyNr+1;
12952 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12958 if(plyNr) return -1; // after we have seen moves, this is for new game
12961 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12962 case ImpossibleMove:
12963 case WhiteWins: // game ends here with these four
12966 case GameUnfinished:
12970 if(appData.testLegality) return -1;
12971 case WhiteCapturesEnPassant:
12972 case BlackCapturesEnPassant:
12973 case WhitePromotion:
12974 case BlackPromotion:
12975 case WhiteNonPromotion:
12976 case BlackNonPromotion:
12979 case WhiteKingSideCastle:
12980 case WhiteQueenSideCastle:
12981 case BlackKingSideCastle:
12982 case BlackQueenSideCastle:
12983 case WhiteKingSideCastleWild:
12984 case WhiteQueenSideCastleWild:
12985 case BlackKingSideCastleWild:
12986 case BlackQueenSideCastleWild:
12987 case WhiteHSideCastleFR:
12988 case WhiteASideCastleFR:
12989 case BlackHSideCastleFR:
12990 case BlackASideCastleFR:
12991 fromX = currentMoveString[0] - AAA;
12992 fromY = currentMoveString[1] - ONE;
12993 toX = currentMoveString[2] - AAA;
12994 toY = currentMoveString[3] - ONE;
12995 promoChar = currentMoveString[4];
12999 fromX = next == WhiteDrop ?
13000 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13001 (int) CharToPiece(ToLower(currentMoveString[0]));
13003 toX = currentMoveString[2] - AAA;
13004 toY = currentMoveString[3] - ONE;
13008 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13010 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13011 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13012 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13013 if(appData.findMirror) {
13014 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13015 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13020 /* Load the nth game from open file f */
13022 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13026 int gn = gameNumber;
13027 ListGame *lg = NULL;
13028 int numPGNTags = 0, i;
13030 GameMode oldGameMode;
13031 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13032 char oldName[MSG_SIZ];
13034 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13036 if (appData.debugMode)
13037 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13039 if (gameMode == Training )
13040 SetTrainingModeOff();
13042 oldGameMode = gameMode;
13043 if (gameMode != BeginningOfGame) {
13044 Reset(FALSE, TRUE);
13046 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13049 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13050 fclose(lastLoadGameFP);
13054 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13057 fseek(f, lg->offset, 0);
13058 GameListHighlight(gameNumber);
13059 pos = lg->position;
13063 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13064 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13066 DisplayError(_("Game number out of range"), 0);
13071 if (fseek(f, 0, 0) == -1) {
13072 if (f == lastLoadGameFP ?
13073 gameNumber == lastLoadGameNumber + 1 :
13077 DisplayError(_("Can't seek on game file"), 0);
13082 lastLoadGameFP = f;
13083 lastLoadGameNumber = gameNumber;
13084 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13085 lastLoadGameUseList = useList;
13089 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13090 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13091 lg->gameInfo.black);
13093 } else if (*title != NULLCHAR) {
13094 if (gameNumber > 1) {
13095 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13098 DisplayTitle(title);
13102 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13103 gameMode = PlayFromGameFile;
13107 currentMove = forwardMostMove = backwardMostMove = 0;
13108 CopyBoard(boards[0], initialPosition);
13112 * Skip the first gn-1 games in the file.
13113 * Also skip over anything that precedes an identifiable
13114 * start of game marker, to avoid being confused by
13115 * garbage at the start of the file. Currently
13116 * recognized start of game markers are the move number "1",
13117 * the pattern "gnuchess .* game", the pattern
13118 * "^[#;%] [^ ]* game file", and a PGN tag block.
13119 * A game that starts with one of the latter two patterns
13120 * will also have a move number 1, possibly
13121 * following a position diagram.
13122 * 5-4-02: Let's try being more lenient and allowing a game to
13123 * start with an unnumbered move. Does that break anything?
13125 cm = lastLoadGameStart = EndOfFile;
13127 yyboardindex = forwardMostMove;
13128 cm = (ChessMove) Myylex();
13131 if (cmailMsgLoaded) {
13132 nCmailGames = CMAIL_MAX_GAMES - gn;
13135 DisplayError(_("Game not found in file"), 0);
13142 lastLoadGameStart = cm;
13145 case MoveNumberOne:
13146 switch (lastLoadGameStart) {
13151 case MoveNumberOne:
13153 gn--; /* count this game */
13154 lastLoadGameStart = cm;
13163 switch (lastLoadGameStart) {
13166 case MoveNumberOne:
13168 gn--; /* count this game */
13169 lastLoadGameStart = cm;
13172 lastLoadGameStart = cm; /* game counted already */
13180 yyboardindex = forwardMostMove;
13181 cm = (ChessMove) Myylex();
13182 } while (cm == PGNTag || cm == Comment);
13189 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13190 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13191 != CMAIL_OLD_RESULT) {
13193 cmailResult[ CMAIL_MAX_GAMES
13194 - gn - 1] = CMAIL_OLD_RESULT;
13201 /* Only a NormalMove can be at the start of a game
13202 * without a position diagram. */
13203 if (lastLoadGameStart == EndOfFile ) {
13205 lastLoadGameStart = MoveNumberOne;
13214 if (appData.debugMode)
13215 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13217 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13219 if (cm == XBoardGame) {
13220 /* Skip any header junk before position diagram and/or move 1 */
13222 yyboardindex = forwardMostMove;
13223 cm = (ChessMove) Myylex();
13225 if (cm == EndOfFile ||
13226 cm == GNUChessGame || cm == XBoardGame) {
13227 /* Empty game; pretend end-of-file and handle later */
13232 if (cm == MoveNumberOne || cm == PositionDiagram ||
13233 cm == PGNTag || cm == Comment)
13236 } else if (cm == GNUChessGame) {
13237 if (gameInfo.event != NULL) {
13238 free(gameInfo.event);
13240 gameInfo.event = StrSave(yy_text);
13243 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13244 while (cm == PGNTag) {
13245 if (appData.debugMode)
13246 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13247 err = ParsePGNTag(yy_text, &gameInfo);
13248 if (!err) numPGNTags++;
13250 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13251 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13252 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13253 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13254 InitPosition(TRUE);
13255 oldVariant = gameInfo.variant;
13256 if (appData.debugMode)
13257 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13261 if (gameInfo.fen != NULL) {
13262 Board initial_position;
13263 startedFromSetupPosition = TRUE;
13264 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13266 DisplayError(_("Bad FEN position in file"), 0);
13269 CopyBoard(boards[0], initial_position);
13270 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13271 CopyBoard(initialPosition, initial_position);
13272 if (blackPlaysFirst) {
13273 currentMove = forwardMostMove = backwardMostMove = 1;
13274 CopyBoard(boards[1], initial_position);
13275 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13276 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13277 timeRemaining[0][1] = whiteTimeRemaining;
13278 timeRemaining[1][1] = blackTimeRemaining;
13279 if (commentList[0] != NULL) {
13280 commentList[1] = commentList[0];
13281 commentList[0] = NULL;
13284 currentMove = forwardMostMove = backwardMostMove = 0;
13286 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13288 initialRulePlies = FENrulePlies;
13289 for( i=0; i< nrCastlingRights; i++ )
13290 initialRights[i] = initial_position[CASTLING][i];
13292 yyboardindex = forwardMostMove;
13293 free(gameInfo.fen);
13294 gameInfo.fen = NULL;
13297 yyboardindex = forwardMostMove;
13298 cm = (ChessMove) Myylex();
13300 /* Handle comments interspersed among the tags */
13301 while (cm == Comment) {
13303 if (appData.debugMode)
13304 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13306 AppendComment(currentMove, p, FALSE);
13307 yyboardindex = forwardMostMove;
13308 cm = (ChessMove) Myylex();
13312 /* don't rely on existence of Event tag since if game was
13313 * pasted from clipboard the Event tag may not exist
13315 if (numPGNTags > 0){
13317 if (gameInfo.variant == VariantNormal) {
13318 VariantClass v = StringToVariant(gameInfo.event);
13319 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13320 if(v < VariantShogi) gameInfo.variant = v;
13323 if( appData.autoDisplayTags ) {
13324 tags = PGNTags(&gameInfo);
13325 TagsPopUp(tags, CmailMsg());
13330 /* Make something up, but don't display it now */
13335 if (cm == PositionDiagram) {
13338 Board initial_position;
13340 if (appData.debugMode)
13341 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13343 if (!startedFromSetupPosition) {
13345 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13346 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13357 initial_position[i][j++] = CharToPiece(*p);
13360 while (*p == ' ' || *p == '\t' ||
13361 *p == '\n' || *p == '\r') p++;
13363 if (strncmp(p, "black", strlen("black"))==0)
13364 blackPlaysFirst = TRUE;
13366 blackPlaysFirst = FALSE;
13367 startedFromSetupPosition = TRUE;
13369 CopyBoard(boards[0], initial_position);
13370 if (blackPlaysFirst) {
13371 currentMove = forwardMostMove = backwardMostMove = 1;
13372 CopyBoard(boards[1], initial_position);
13373 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13374 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13375 timeRemaining[0][1] = whiteTimeRemaining;
13376 timeRemaining[1][1] = blackTimeRemaining;
13377 if (commentList[0] != NULL) {
13378 commentList[1] = commentList[0];
13379 commentList[0] = NULL;
13382 currentMove = forwardMostMove = backwardMostMove = 0;
13385 yyboardindex = forwardMostMove;
13386 cm = (ChessMove) Myylex();
13389 if(!creatingBook) {
13390 if (first.pr == NoProc) {
13391 StartChessProgram(&first);
13393 InitChessProgram(&first, FALSE);
13394 if(gameInfo.variant == VariantUnknown && *oldName) {
13395 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13396 gameInfo.variant = v;
13398 SendToProgram("force\n", &first);
13399 if (startedFromSetupPosition) {
13400 SendBoard(&first, forwardMostMove);
13401 if (appData.debugMode) {
13402 fprintf(debugFP, "Load Game\n");
13404 DisplayBothClocks();
13408 /* [HGM] server: flag to write setup moves in broadcast file as one */
13409 loadFlag = appData.suppressLoadMoves;
13411 while (cm == Comment) {
13413 if (appData.debugMode)
13414 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13416 AppendComment(currentMove, p, FALSE);
13417 yyboardindex = forwardMostMove;
13418 cm = (ChessMove) Myylex();
13421 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13422 cm == WhiteWins || cm == BlackWins ||
13423 cm == GameIsDrawn || cm == GameUnfinished) {
13424 DisplayMessage("", _("No moves in game"));
13425 if (cmailMsgLoaded) {
13426 if (appData.debugMode)
13427 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13431 DrawPosition(FALSE, boards[currentMove]);
13432 DisplayBothClocks();
13433 gameMode = EditGame;
13440 // [HGM] PV info: routine tests if comment empty
13441 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13442 DisplayComment(currentMove - 1, commentList[currentMove]);
13444 if (!matchMode && appData.timeDelay != 0)
13445 DrawPosition(FALSE, boards[currentMove]);
13447 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13448 programStats.ok_to_send = 1;
13451 /* if the first token after the PGN tags is a move
13452 * and not move number 1, retrieve it from the parser
13454 if (cm != MoveNumberOne)
13455 LoadGameOneMove(cm);
13457 /* load the remaining moves from the file */
13458 while (LoadGameOneMove(EndOfFile)) {
13459 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13460 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13463 /* rewind to the start of the game */
13464 currentMove = backwardMostMove;
13466 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13468 if (oldGameMode == AnalyzeFile) {
13469 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13470 AnalyzeFileEvent();
13472 if (oldGameMode == AnalyzeMode) {
13473 AnalyzeFileEvent();
13476 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13477 long int w, b; // [HGM] adjourn: restore saved clock times
13478 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13479 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13480 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13481 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13485 if(creatingBook) return TRUE;
13486 if (!matchMode && pos > 0) {
13487 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13489 if (matchMode || appData.timeDelay == 0) {
13491 } else if (appData.timeDelay > 0) {
13492 AutoPlayGameLoop();
13495 if (appData.debugMode)
13496 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13498 loadFlag = 0; /* [HGM] true game starts */
13502 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13504 ReloadPosition (int offset)
13506 int positionNumber = lastLoadPositionNumber + offset;
13507 if (lastLoadPositionFP == NULL) {
13508 DisplayError(_("No position has been loaded yet"), 0);
13511 if (positionNumber <= 0) {
13512 DisplayError(_("Can't back up any further"), 0);
13515 return LoadPosition(lastLoadPositionFP, positionNumber,
13516 lastLoadPositionTitle);
13519 /* Load the nth position from the given file */
13521 LoadPositionFromFile (char *filename, int n, char *title)
13526 if (strcmp(filename, "-") == 0) {
13527 return LoadPosition(stdin, n, "stdin");
13529 f = fopen(filename, "rb");
13531 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13532 DisplayError(buf, errno);
13535 return LoadPosition(f, n, title);
13540 /* Load the nth position from the given open file, and close it */
13542 LoadPosition (FILE *f, int positionNumber, char *title)
13544 char *p, line[MSG_SIZ];
13545 Board initial_position;
13546 int i, j, fenMode, pn;
13548 if (gameMode == Training )
13549 SetTrainingModeOff();
13551 if (gameMode != BeginningOfGame) {
13552 Reset(FALSE, TRUE);
13554 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13555 fclose(lastLoadPositionFP);
13557 if (positionNumber == 0) positionNumber = 1;
13558 lastLoadPositionFP = f;
13559 lastLoadPositionNumber = positionNumber;
13560 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13561 if (first.pr == NoProc && !appData.noChessProgram) {
13562 StartChessProgram(&first);
13563 InitChessProgram(&first, FALSE);
13565 pn = positionNumber;
13566 if (positionNumber < 0) {
13567 /* Negative position number means to seek to that byte offset */
13568 if (fseek(f, -positionNumber, 0) == -1) {
13569 DisplayError(_("Can't seek on position file"), 0);
13574 if (fseek(f, 0, 0) == -1) {
13575 if (f == lastLoadPositionFP ?
13576 positionNumber == lastLoadPositionNumber + 1 :
13577 positionNumber == 1) {
13580 DisplayError(_("Can't seek on position file"), 0);
13585 /* See if this file is FEN or old-style xboard */
13586 if (fgets(line, MSG_SIZ, f) == NULL) {
13587 DisplayError(_("Position not found in file"), 0);
13590 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13591 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13594 if (fenMode || line[0] == '#') pn--;
13596 /* skip positions before number pn */
13597 if (fgets(line, MSG_SIZ, f) == NULL) {
13599 DisplayError(_("Position not found in file"), 0);
13602 if (fenMode || line[0] == '#') pn--;
13608 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13609 DisplayError(_("Bad FEN position in file"), 0);
13612 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13613 sscanf(p+4, "%[^;]", bestMove);
13614 } else *bestMove = NULLCHAR;
13615 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13616 sscanf(p+4, "%[^;]", avoidMove);
13617 } else *avoidMove = NULLCHAR;
13619 (void) fgets(line, MSG_SIZ, f);
13620 (void) fgets(line, MSG_SIZ, f);
13622 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13623 (void) fgets(line, MSG_SIZ, f);
13624 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13627 initial_position[i][j++] = CharToPiece(*p);
13631 blackPlaysFirst = FALSE;
13633 (void) fgets(line, MSG_SIZ, f);
13634 if (strncmp(line, "black", strlen("black"))==0)
13635 blackPlaysFirst = TRUE;
13638 startedFromSetupPosition = TRUE;
13640 CopyBoard(boards[0], initial_position);
13641 if (blackPlaysFirst) {
13642 currentMove = forwardMostMove = backwardMostMove = 1;
13643 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13644 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13645 CopyBoard(boards[1], initial_position);
13646 DisplayMessage("", _("Black to play"));
13648 currentMove = forwardMostMove = backwardMostMove = 0;
13649 DisplayMessage("", _("White to play"));
13651 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13652 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13653 SendToProgram("force\n", &first);
13654 SendBoard(&first, forwardMostMove);
13656 if (appData.debugMode) {
13658 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13659 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13660 fprintf(debugFP, "Load Position\n");
13663 if (positionNumber > 1) {
13664 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13665 DisplayTitle(line);
13667 DisplayTitle(title);
13669 gameMode = EditGame;
13672 timeRemaining[0][1] = whiteTimeRemaining;
13673 timeRemaining[1][1] = blackTimeRemaining;
13674 DrawPosition(FALSE, boards[currentMove]);
13681 CopyPlayerNameIntoFileName (char **dest, char *src)
13683 while (*src != NULLCHAR && *src != ',') {
13688 *(*dest)++ = *src++;
13694 DefaultFileName (char *ext)
13696 static char def[MSG_SIZ];
13699 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13701 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13703 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13705 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13712 /* Save the current game to the given file */
13714 SaveGameToFile (char *filename, int append)
13718 int result, i, t,tot=0;
13720 if (strcmp(filename, "-") == 0) {
13721 return SaveGame(stdout, 0, NULL);
13723 for(i=0; i<10; i++) { // upto 10 tries
13724 f = fopen(filename, append ? "a" : "w");
13725 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13726 if(f || errno != 13) break;
13727 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13731 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13732 DisplayError(buf, errno);
13735 safeStrCpy(buf, lastMsg, MSG_SIZ);
13736 DisplayMessage(_("Waiting for access to save file"), "");
13737 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13738 DisplayMessage(_("Saving game"), "");
13739 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13740 result = SaveGame(f, 0, NULL);
13741 DisplayMessage(buf, "");
13748 SavePart (char *str)
13750 static char buf[MSG_SIZ];
13753 p = strchr(str, ' ');
13754 if (p == NULL) return str;
13755 strncpy(buf, str, p - str);
13756 buf[p - str] = NULLCHAR;
13760 #define PGN_MAX_LINE 75
13762 #define PGN_SIDE_WHITE 0
13763 #define PGN_SIDE_BLACK 1
13766 FindFirstMoveOutOfBook (int side)
13770 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13771 int index = backwardMostMove;
13772 int has_book_hit = 0;
13774 if( (index % 2) != side ) {
13778 while( index < forwardMostMove ) {
13779 /* Check to see if engine is in book */
13780 int depth = pvInfoList[index].depth;
13781 int score = pvInfoList[index].score;
13787 else if( score == 0 && depth == 63 ) {
13788 in_book = 1; /* Zappa */
13790 else if( score == 2 && depth == 99 ) {
13791 in_book = 1; /* Abrok */
13794 has_book_hit += in_book;
13810 GetOutOfBookInfo (char * buf)
13814 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13816 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13817 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13821 if( oob[0] >= 0 || oob[1] >= 0 ) {
13822 for( i=0; i<2; i++ ) {
13826 if( i > 0 && oob[0] >= 0 ) {
13827 strcat( buf, " " );
13830 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13831 sprintf( buf+strlen(buf), "%s%.2f",
13832 pvInfoList[idx].score >= 0 ? "+" : "",
13833 pvInfoList[idx].score / 100.0 );
13839 /* Save game in PGN style */
13841 SaveGamePGN2 (FILE *f)
13843 int i, offset, linelen, newblock;
13846 int movelen, numlen, blank;
13847 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13849 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13851 PrintPGNTags(f, &gameInfo);
13853 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13855 if (backwardMostMove > 0 || startedFromSetupPosition) {
13856 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13857 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13858 fprintf(f, "\n{--------------\n");
13859 PrintPosition(f, backwardMostMove);
13860 fprintf(f, "--------------}\n");
13864 /* [AS] Out of book annotation */
13865 if( appData.saveOutOfBookInfo ) {
13868 GetOutOfBookInfo( buf );
13870 if( buf[0] != '\0' ) {
13871 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13878 i = backwardMostMove;
13882 while (i < forwardMostMove) {
13883 /* Print comments preceding this move */
13884 if (commentList[i] != NULL) {
13885 if (linelen > 0) fprintf(f, "\n");
13886 fprintf(f, "%s", commentList[i]);
13891 /* Format move number */
13893 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13896 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13898 numtext[0] = NULLCHAR;
13900 numlen = strlen(numtext);
13903 /* Print move number */
13904 blank = linelen > 0 && numlen > 0;
13905 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13914 fprintf(f, "%s", numtext);
13918 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13919 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13922 blank = linelen > 0 && movelen > 0;
13923 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13932 fprintf(f, "%s", move_buffer);
13933 linelen += movelen;
13935 /* [AS] Add PV info if present */
13936 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13937 /* [HGM] add time */
13938 char buf[MSG_SIZ]; int seconds;
13940 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13946 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13949 seconds = (seconds + 4)/10; // round to full seconds
13951 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13953 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13956 if(appData.cumulativeTimePGN) {
13957 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13960 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13961 pvInfoList[i].score >= 0 ? "+" : "",
13962 pvInfoList[i].score / 100.0,
13963 pvInfoList[i].depth,
13966 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13968 /* Print score/depth */
13969 blank = linelen > 0 && movelen > 0;
13970 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13979 fprintf(f, "%s", move_buffer);
13980 linelen += movelen;
13986 /* Start a new line */
13987 if (linelen > 0) fprintf(f, "\n");
13989 /* Print comments after last move */
13990 if (commentList[i] != NULL) {
13991 fprintf(f, "%s\n", commentList[i]);
13995 if (gameInfo.resultDetails != NULL &&
13996 gameInfo.resultDetails[0] != NULLCHAR) {
13997 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13998 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13999 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14000 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14001 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14003 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14007 /* Save game in PGN style and close the file */
14009 SaveGamePGN (FILE *f)
14013 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14017 /* Save game in old style and close the file */
14019 SaveGameOldStyle (FILE *f)
14024 tm = time((time_t *) NULL);
14026 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14029 if (backwardMostMove > 0 || startedFromSetupPosition) {
14030 fprintf(f, "\n[--------------\n");
14031 PrintPosition(f, backwardMostMove);
14032 fprintf(f, "--------------]\n");
14037 i = backwardMostMove;
14038 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14040 while (i < forwardMostMove) {
14041 if (commentList[i] != NULL) {
14042 fprintf(f, "[%s]\n", commentList[i]);
14045 if ((i % 2) == 1) {
14046 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14049 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14051 if (commentList[i] != NULL) {
14055 if (i >= forwardMostMove) {
14059 fprintf(f, "%s\n", parseList[i]);
14064 if (commentList[i] != NULL) {
14065 fprintf(f, "[%s]\n", commentList[i]);
14068 /* This isn't really the old style, but it's close enough */
14069 if (gameInfo.resultDetails != NULL &&
14070 gameInfo.resultDetails[0] != NULLCHAR) {
14071 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14072 gameInfo.resultDetails);
14074 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14081 /* Save the current game to open file f and close the file */
14083 SaveGame (FILE *f, int dummy, char *dummy2)
14085 if (gameMode == EditPosition) EditPositionDone(TRUE);
14086 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14087 if (appData.oldSaveStyle)
14088 return SaveGameOldStyle(f);
14090 return SaveGamePGN(f);
14093 /* Save the current position to the given file */
14095 SavePositionToFile (char *filename)
14100 if (strcmp(filename, "-") == 0) {
14101 return SavePosition(stdout, 0, NULL);
14103 f = fopen(filename, "a");
14105 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14106 DisplayError(buf, errno);
14109 safeStrCpy(buf, lastMsg, MSG_SIZ);
14110 DisplayMessage(_("Waiting for access to save file"), "");
14111 flock(fileno(f), LOCK_EX); // [HGM] lock
14112 DisplayMessage(_("Saving position"), "");
14113 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14114 SavePosition(f, 0, NULL);
14115 DisplayMessage(buf, "");
14121 /* Save the current position to the given open file and close the file */
14123 SavePosition (FILE *f, int dummy, char *dummy2)
14128 if (gameMode == EditPosition) EditPositionDone(TRUE);
14129 if (appData.oldSaveStyle) {
14130 tm = time((time_t *) NULL);
14132 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14134 fprintf(f, "[--------------\n");
14135 PrintPosition(f, currentMove);
14136 fprintf(f, "--------------]\n");
14138 fen = PositionToFEN(currentMove, NULL, 1);
14139 fprintf(f, "%s\n", fen);
14147 ReloadCmailMsgEvent (int unregister)
14150 static char *inFilename = NULL;
14151 static char *outFilename;
14153 struct stat inbuf, outbuf;
14156 /* Any registered moves are unregistered if unregister is set, */
14157 /* i.e. invoked by the signal handler */
14159 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14160 cmailMoveRegistered[i] = FALSE;
14161 if (cmailCommentList[i] != NULL) {
14162 free(cmailCommentList[i]);
14163 cmailCommentList[i] = NULL;
14166 nCmailMovesRegistered = 0;
14169 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14170 cmailResult[i] = CMAIL_NOT_RESULT;
14174 if (inFilename == NULL) {
14175 /* Because the filenames are static they only get malloced once */
14176 /* and they never get freed */
14177 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14178 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14180 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14181 sprintf(outFilename, "%s.out", appData.cmailGameName);
14184 status = stat(outFilename, &outbuf);
14186 cmailMailedMove = FALSE;
14188 status = stat(inFilename, &inbuf);
14189 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14192 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14193 counts the games, notes how each one terminated, etc.
14195 It would be nice to remove this kludge and instead gather all
14196 the information while building the game list. (And to keep it
14197 in the game list nodes instead of having a bunch of fixed-size
14198 parallel arrays.) Note this will require getting each game's
14199 termination from the PGN tags, as the game list builder does
14200 not process the game moves. --mann
14202 cmailMsgLoaded = TRUE;
14203 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14205 /* Load first game in the file or popup game menu */
14206 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14208 #endif /* !WIN32 */
14216 char string[MSG_SIZ];
14218 if ( cmailMailedMove
14219 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14220 return TRUE; /* Allow free viewing */
14223 /* Unregister move to ensure that we don't leave RegisterMove */
14224 /* with the move registered when the conditions for registering no */
14226 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14227 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14228 nCmailMovesRegistered --;
14230 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14232 free(cmailCommentList[lastLoadGameNumber - 1]);
14233 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14237 if (cmailOldMove == -1) {
14238 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14242 if (currentMove > cmailOldMove + 1) {
14243 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14247 if (currentMove < cmailOldMove) {
14248 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14252 if (forwardMostMove > currentMove) {
14253 /* Silently truncate extra moves */
14257 if ( (currentMove == cmailOldMove + 1)
14258 || ( (currentMove == cmailOldMove)
14259 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14260 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14261 if (gameInfo.result != GameUnfinished) {
14262 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14265 if (commentList[currentMove] != NULL) {
14266 cmailCommentList[lastLoadGameNumber - 1]
14267 = StrSave(commentList[currentMove]);
14269 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14271 if (appData.debugMode)
14272 fprintf(debugFP, "Saving %s for game %d\n",
14273 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14275 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14277 f = fopen(string, "w");
14278 if (appData.oldSaveStyle) {
14279 SaveGameOldStyle(f); /* also closes the file */
14281 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14282 f = fopen(string, "w");
14283 SavePosition(f, 0, NULL); /* also closes the file */
14285 fprintf(f, "{--------------\n");
14286 PrintPosition(f, currentMove);
14287 fprintf(f, "--------------}\n\n");
14289 SaveGame(f, 0, NULL); /* also closes the file*/
14292 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14293 nCmailMovesRegistered ++;
14294 } else if (nCmailGames == 1) {
14295 DisplayError(_("You have not made a move yet"), 0);
14306 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14307 FILE *commandOutput;
14308 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14309 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14315 if (! cmailMsgLoaded) {
14316 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14320 if (nCmailGames == nCmailResults) {
14321 DisplayError(_("No unfinished games"), 0);
14325 #if CMAIL_PROHIBIT_REMAIL
14326 if (cmailMailedMove) {
14327 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);
14328 DisplayError(msg, 0);
14333 if (! (cmailMailedMove || RegisterMove())) return;
14335 if ( cmailMailedMove
14336 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14337 snprintf(string, MSG_SIZ, partCommandString,
14338 appData.debugMode ? " -v" : "", appData.cmailGameName);
14339 commandOutput = popen(string, "r");
14341 if (commandOutput == NULL) {
14342 DisplayError(_("Failed to invoke cmail"), 0);
14344 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14345 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14347 if (nBuffers > 1) {
14348 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14349 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14350 nBytes = MSG_SIZ - 1;
14352 (void) memcpy(msg, buffer, nBytes);
14354 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14356 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14357 cmailMailedMove = TRUE; /* Prevent >1 moves */
14360 for (i = 0; i < nCmailGames; i ++) {
14361 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14366 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14368 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14370 appData.cmailGameName,
14372 LoadGameFromFile(buffer, 1, buffer, FALSE);
14373 cmailMsgLoaded = FALSE;
14377 DisplayInformation(msg);
14378 pclose(commandOutput);
14381 if ((*cmailMsg) != '\0') {
14382 DisplayInformation(cmailMsg);
14387 #endif /* !WIN32 */
14396 int prependComma = 0;
14398 char string[MSG_SIZ]; /* Space for game-list */
14401 if (!cmailMsgLoaded) return "";
14403 if (cmailMailedMove) {
14404 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14406 /* Create a list of games left */
14407 snprintf(string, MSG_SIZ, "[");
14408 for (i = 0; i < nCmailGames; i ++) {
14409 if (! ( cmailMoveRegistered[i]
14410 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14411 if (prependComma) {
14412 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14414 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14418 strcat(string, number);
14421 strcat(string, "]");
14423 if (nCmailMovesRegistered + nCmailResults == 0) {
14424 switch (nCmailGames) {
14426 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14430 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14434 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14439 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14441 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14446 if (nCmailResults == nCmailGames) {
14447 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14449 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14454 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14466 if (gameMode == Training)
14467 SetTrainingModeOff();
14470 cmailMsgLoaded = FALSE;
14471 if (appData.icsActive) {
14472 SendToICS(ics_prefix);
14473 SendToICS("refresh\n");
14478 ExitEvent (int status)
14482 /* Give up on clean exit */
14486 /* Keep trying for clean exit */
14490 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14491 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14493 if (telnetISR != NULL) {
14494 RemoveInputSource(telnetISR);
14496 if (icsPR != NoProc) {
14497 DestroyChildProcess(icsPR, TRUE);
14500 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14501 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14503 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14504 /* make sure this other one finishes before killing it! */
14505 if(endingGame) { int count = 0;
14506 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14507 while(endingGame && count++ < 10) DoSleep(1);
14508 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14511 /* Kill off chess programs */
14512 if (first.pr != NoProc) {
14515 DoSleep( appData.delayBeforeQuit );
14516 SendToProgram("quit\n", &first);
14517 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14519 if (second.pr != NoProc) {
14520 DoSleep( appData.delayBeforeQuit );
14521 SendToProgram("quit\n", &second);
14522 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14524 if (first.isr != NULL) {
14525 RemoveInputSource(first.isr);
14527 if (second.isr != NULL) {
14528 RemoveInputSource(second.isr);
14531 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14532 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14534 ShutDownFrontEnd();
14539 PauseEngine (ChessProgramState *cps)
14541 SendToProgram("pause\n", cps);
14546 UnPauseEngine (ChessProgramState *cps)
14548 SendToProgram("resume\n", cps);
14555 if (appData.debugMode)
14556 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14560 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14562 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14563 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14564 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14566 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14567 HandleMachineMove(stashedInputMove, stalledEngine);
14568 stalledEngine = NULL;
14571 if (gameMode == MachinePlaysWhite ||
14572 gameMode == TwoMachinesPlay ||
14573 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14574 if(first.pause) UnPauseEngine(&first);
14575 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14576 if(second.pause) UnPauseEngine(&second);
14577 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14580 DisplayBothClocks();
14582 if (gameMode == PlayFromGameFile) {
14583 if (appData.timeDelay >= 0)
14584 AutoPlayGameLoop();
14585 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14586 Reset(FALSE, TRUE);
14587 SendToICS(ics_prefix);
14588 SendToICS("refresh\n");
14589 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14590 ForwardInner(forwardMostMove);
14592 pauseExamInvalid = FALSE;
14594 switch (gameMode) {
14598 pauseExamForwardMostMove = forwardMostMove;
14599 pauseExamInvalid = FALSE;
14602 case IcsPlayingWhite:
14603 case IcsPlayingBlack:
14607 case PlayFromGameFile:
14608 (void) StopLoadGameTimer();
14612 case BeginningOfGame:
14613 if (appData.icsActive) return;
14614 /* else fall through */
14615 case MachinePlaysWhite:
14616 case MachinePlaysBlack:
14617 case TwoMachinesPlay:
14618 if (forwardMostMove == 0)
14619 return; /* don't pause if no one has moved */
14620 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14621 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14622 if(onMove->pause) { // thinking engine can be paused
14623 PauseEngine(onMove); // do it
14624 if(onMove->other->pause) // pondering opponent can always be paused immediately
14625 PauseEngine(onMove->other);
14627 SendToProgram("easy\n", onMove->other);
14629 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14630 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14632 PauseEngine(&first);
14634 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14635 } else { // human on move, pause pondering by either method
14637 PauseEngine(&first);
14638 else if(appData.ponderNextMove)
14639 SendToProgram("easy\n", &first);
14642 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14652 EditCommentEvent ()
14654 char title[MSG_SIZ];
14656 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14657 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14659 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14660 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14661 parseList[currentMove - 1]);
14664 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14671 char *tags = PGNTags(&gameInfo);
14673 EditTagsPopUp(tags, NULL);
14680 if(second.analyzing) {
14681 SendToProgram("exit\n", &second);
14682 second.analyzing = FALSE;
14684 if (second.pr == NoProc) StartChessProgram(&second);
14685 InitChessProgram(&second, FALSE);
14686 FeedMovesToProgram(&second, currentMove);
14688 SendToProgram("analyze\n", &second);
14689 second.analyzing = TRUE;
14693 /* Toggle ShowThinking */
14695 ToggleShowThinking()
14697 appData.showThinking = !appData.showThinking;
14698 ShowThinkingEvent();
14702 AnalyzeModeEvent ()
14706 if (!first.analysisSupport) {
14707 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14708 DisplayError(buf, 0);
14711 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14712 if (appData.icsActive) {
14713 if (gameMode != IcsObserving) {
14714 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14715 DisplayError(buf, 0);
14717 if (appData.icsEngineAnalyze) {
14718 if (appData.debugMode)
14719 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14725 /* if enable, user wants to disable icsEngineAnalyze */
14726 if (appData.icsEngineAnalyze) {
14731 appData.icsEngineAnalyze = TRUE;
14732 if (appData.debugMode)
14733 fprintf(debugFP, "ICS engine analyze starting... \n");
14736 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14737 if (appData.noChessProgram || gameMode == AnalyzeMode)
14740 if (gameMode != AnalyzeFile) {
14741 if (!appData.icsEngineAnalyze) {
14743 if (gameMode != EditGame) return 0;
14745 if (!appData.showThinking) ToggleShowThinking();
14746 ResurrectChessProgram();
14747 SendToProgram("analyze\n", &first);
14748 first.analyzing = TRUE;
14749 /*first.maybeThinking = TRUE;*/
14750 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14751 EngineOutputPopUp();
14753 if (!appData.icsEngineAnalyze) {
14754 gameMode = AnalyzeMode;
14755 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14761 StartAnalysisClock();
14762 GetTimeMark(&lastNodeCountTime);
14768 AnalyzeFileEvent ()
14770 if (appData.noChessProgram || gameMode == AnalyzeFile)
14773 if (!first.analysisSupport) {
14775 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14776 DisplayError(buf, 0);
14780 if (gameMode != AnalyzeMode) {
14781 keepInfo = 1; // mere annotating should not alter PGN tags
14784 if (gameMode != EditGame) return;
14785 if (!appData.showThinking) ToggleShowThinking();
14786 ResurrectChessProgram();
14787 SendToProgram("analyze\n", &first);
14788 first.analyzing = TRUE;
14789 /*first.maybeThinking = TRUE;*/
14790 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14791 EngineOutputPopUp();
14793 gameMode = AnalyzeFile;
14797 StartAnalysisClock();
14798 GetTimeMark(&lastNodeCountTime);
14800 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14801 AnalysisPeriodicEvent(1);
14805 MachineWhiteEvent ()
14808 char *bookHit = NULL;
14810 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14814 if (gameMode == PlayFromGameFile ||
14815 gameMode == TwoMachinesPlay ||
14816 gameMode == Training ||
14817 gameMode == AnalyzeMode ||
14818 gameMode == EndOfGame)
14821 if (gameMode == EditPosition)
14822 EditPositionDone(TRUE);
14824 if (!WhiteOnMove(currentMove)) {
14825 DisplayError(_("It is not White's turn"), 0);
14829 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14832 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14833 gameMode == AnalyzeFile)
14836 ResurrectChessProgram(); /* in case it isn't running */
14837 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14838 gameMode = MachinePlaysWhite;
14841 gameMode = MachinePlaysWhite;
14845 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14847 if (first.sendName) {
14848 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14849 SendToProgram(buf, &first);
14851 if (first.sendTime) {
14852 if (first.useColors) {
14853 SendToProgram("black\n", &first); /*gnu kludge*/
14855 SendTimeRemaining(&first, TRUE);
14857 if (first.useColors) {
14858 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14860 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14861 SetMachineThinkingEnables();
14862 first.maybeThinking = TRUE;
14866 if (appData.autoFlipView && !flipView) {
14867 flipView = !flipView;
14868 DrawPosition(FALSE, NULL);
14869 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14872 if(bookHit) { // [HGM] book: simulate book reply
14873 static char bookMove[MSG_SIZ]; // a bit generous?
14875 programStats.nodes = programStats.depth = programStats.time =
14876 programStats.score = programStats.got_only_move = 0;
14877 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14879 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14880 strcat(bookMove, bookHit);
14881 savedMessage = bookMove; // args for deferred call
14882 savedState = &first;
14883 ScheduleDelayedEvent(DeferredBookMove, 1);
14888 MachineBlackEvent ()
14891 char *bookHit = NULL;
14893 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14897 if (gameMode == PlayFromGameFile ||
14898 gameMode == TwoMachinesPlay ||
14899 gameMode == Training ||
14900 gameMode == AnalyzeMode ||
14901 gameMode == EndOfGame)
14904 if (gameMode == EditPosition)
14905 EditPositionDone(TRUE);
14907 if (WhiteOnMove(currentMove)) {
14908 DisplayError(_("It is not Black's turn"), 0);
14912 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14915 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14916 gameMode == AnalyzeFile)
14919 ResurrectChessProgram(); /* in case it isn't running */
14920 gameMode = MachinePlaysBlack;
14924 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14926 if (first.sendName) {
14927 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14928 SendToProgram(buf, &first);
14930 if (first.sendTime) {
14931 if (first.useColors) {
14932 SendToProgram("white\n", &first); /*gnu kludge*/
14934 SendTimeRemaining(&first, FALSE);
14936 if (first.useColors) {
14937 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14939 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14940 SetMachineThinkingEnables();
14941 first.maybeThinking = TRUE;
14944 if (appData.autoFlipView && flipView) {
14945 flipView = !flipView;
14946 DrawPosition(FALSE, NULL);
14947 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14949 if(bookHit) { // [HGM] book: simulate book reply
14950 static char bookMove[MSG_SIZ]; // a bit generous?
14952 programStats.nodes = programStats.depth = programStats.time =
14953 programStats.score = programStats.got_only_move = 0;
14954 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14956 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14957 strcat(bookMove, bookHit);
14958 savedMessage = bookMove; // args for deferred call
14959 savedState = &first;
14960 ScheduleDelayedEvent(DeferredBookMove, 1);
14966 DisplayTwoMachinesTitle ()
14969 if (appData.matchGames > 0) {
14970 if(appData.tourneyFile[0]) {
14971 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14972 gameInfo.white, _("vs."), gameInfo.black,
14973 nextGame+1, appData.matchGames+1,
14974 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14976 if (first.twoMachinesColor[0] == 'w') {
14977 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14978 gameInfo.white, _("vs."), gameInfo.black,
14979 first.matchWins, second.matchWins,
14980 matchGame - 1 - (first.matchWins + second.matchWins));
14982 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14983 gameInfo.white, _("vs."), gameInfo.black,
14984 second.matchWins, first.matchWins,
14985 matchGame - 1 - (first.matchWins + second.matchWins));
14988 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14994 SettingsMenuIfReady ()
14996 if (second.lastPing != second.lastPong) {
14997 DisplayMessage("", _("Waiting for second chess program"));
14998 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15002 DisplayMessage("", "");
15003 SettingsPopUp(&second);
15007 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15010 if (cps->pr == NoProc) {
15011 StartChessProgram(cps);
15012 if (cps->protocolVersion == 1) {
15014 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15016 /* kludge: allow timeout for initial "feature" command */
15017 if(retry != TwoMachinesEventIfReady) FreezeUI();
15018 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15019 DisplayMessage("", buf);
15020 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15028 TwoMachinesEvent P((void))
15032 ChessProgramState *onmove;
15033 char *bookHit = NULL;
15034 static int stalling = 0;
15038 if (appData.noChessProgram) return;
15040 switch (gameMode) {
15041 case TwoMachinesPlay:
15043 case MachinePlaysWhite:
15044 case MachinePlaysBlack:
15045 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15046 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15050 case BeginningOfGame:
15051 case PlayFromGameFile:
15054 if (gameMode != EditGame) return;
15057 EditPositionDone(TRUE);
15068 // forwardMostMove = currentMove;
15069 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15070 startingEngine = TRUE;
15072 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15074 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15075 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15076 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15080 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15082 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15083 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15084 startingEngine = matchMode = FALSE;
15085 DisplayError("second engine does not play this", 0);
15086 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15087 EditGameEvent(); // switch back to EditGame mode
15092 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15093 SendToProgram("force\n", &second);
15095 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15099 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15100 if(appData.matchPause>10000 || appData.matchPause<10)
15101 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15102 wait = SubtractTimeMarks(&now, &pauseStart);
15103 if(wait < appData.matchPause) {
15104 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15107 // we are now committed to starting the game
15109 DisplayMessage("", "");
15111 if (startedFromSetupPosition) {
15112 SendBoard(&second, backwardMostMove);
15113 if (appData.debugMode) {
15114 fprintf(debugFP, "Two Machines\n");
15117 for (i = backwardMostMove; i < forwardMostMove; i++) {
15118 SendMoveToProgram(i, &second);
15122 gameMode = TwoMachinesPlay;
15123 pausing = startingEngine = FALSE;
15124 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15126 DisplayTwoMachinesTitle();
15128 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15133 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15134 SendToProgram(first.computerString, &first);
15135 if (first.sendName) {
15136 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15137 SendToProgram(buf, &first);
15140 SendToProgram(second.computerString, &second);
15141 if (second.sendName) {
15142 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15143 SendToProgram(buf, &second);
15148 if (!first.sendTime || !second.sendTime) {
15149 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15150 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15152 if (onmove->sendTime) {
15153 if (onmove->useColors) {
15154 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15156 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15158 if (onmove->useColors) {
15159 SendToProgram(onmove->twoMachinesColor, onmove);
15161 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15162 // SendToProgram("go\n", onmove);
15163 onmove->maybeThinking = TRUE;
15164 SetMachineThinkingEnables();
15168 if(bookHit) { // [HGM] book: simulate book reply
15169 static char bookMove[MSG_SIZ]; // a bit generous?
15171 programStats.nodes = programStats.depth = programStats.time =
15172 programStats.score = programStats.got_only_move = 0;
15173 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15175 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15176 strcat(bookMove, bookHit);
15177 savedMessage = bookMove; // args for deferred call
15178 savedState = onmove;
15179 ScheduleDelayedEvent(DeferredBookMove, 1);
15186 if (gameMode == Training) {
15187 SetTrainingModeOff();
15188 gameMode = PlayFromGameFile;
15189 DisplayMessage("", _("Training mode off"));
15191 gameMode = Training;
15192 animateTraining = appData.animate;
15194 /* make sure we are not already at the end of the game */
15195 if (currentMove < forwardMostMove) {
15196 SetTrainingModeOn();
15197 DisplayMessage("", _("Training mode on"));
15199 gameMode = PlayFromGameFile;
15200 DisplayError(_("Already at end of game"), 0);
15209 if (!appData.icsActive) return;
15210 switch (gameMode) {
15211 case IcsPlayingWhite:
15212 case IcsPlayingBlack:
15215 case BeginningOfGame:
15223 EditPositionDone(TRUE);
15236 gameMode = IcsIdle;
15246 switch (gameMode) {
15248 SetTrainingModeOff();
15250 case MachinePlaysWhite:
15251 case MachinePlaysBlack:
15252 case BeginningOfGame:
15253 SendToProgram("force\n", &first);
15254 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15255 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15257 abortEngineThink = TRUE;
15258 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15259 SendToProgram(buf, &first);
15260 DisplayMessage("Aborting engine think", "");
15264 SetUserThinkingEnables();
15266 case PlayFromGameFile:
15267 (void) StopLoadGameTimer();
15268 if (gameFileFP != NULL) {
15273 EditPositionDone(TRUE);
15278 SendToProgram("force\n", &first);
15280 case TwoMachinesPlay:
15281 GameEnds(EndOfFile, NULL, GE_PLAYER);
15282 ResurrectChessProgram();
15283 SetUserThinkingEnables();
15286 ResurrectChessProgram();
15288 case IcsPlayingBlack:
15289 case IcsPlayingWhite:
15290 DisplayError(_("Warning: You are still playing a game"), 0);
15293 DisplayError(_("Warning: You are still observing a game"), 0);
15296 DisplayError(_("Warning: You are still examining a game"), 0);
15307 first.offeredDraw = second.offeredDraw = 0;
15309 if (gameMode == PlayFromGameFile) {
15310 whiteTimeRemaining = timeRemaining[0][currentMove];
15311 blackTimeRemaining = timeRemaining[1][currentMove];
15315 if (gameMode == MachinePlaysWhite ||
15316 gameMode == MachinePlaysBlack ||
15317 gameMode == TwoMachinesPlay ||
15318 gameMode == EndOfGame) {
15319 i = forwardMostMove;
15320 while (i > currentMove) {
15321 SendToProgram("undo\n", &first);
15324 if(!adjustedClock) {
15325 whiteTimeRemaining = timeRemaining[0][currentMove];
15326 blackTimeRemaining = timeRemaining[1][currentMove];
15327 DisplayBothClocks();
15329 if (whiteFlag || blackFlag) {
15330 whiteFlag = blackFlag = 0;
15335 gameMode = EditGame;
15341 EditPositionEvent ()
15344 if (gameMode == EditPosition) {
15350 if (gameMode != EditGame) return;
15352 gameMode = EditPosition;
15355 CopyBoard(rightsBoard, nullBoard);
15356 if (currentMove > 0)
15357 CopyBoard(boards[0], boards[currentMove]);
15358 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15359 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15361 blackPlaysFirst = !WhiteOnMove(currentMove);
15363 currentMove = forwardMostMove = backwardMostMove = 0;
15364 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15366 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15372 /* [DM] icsEngineAnalyze - possible call from other functions */
15373 if (appData.icsEngineAnalyze) {
15374 appData.icsEngineAnalyze = FALSE;
15376 DisplayMessage("",_("Close ICS engine analyze..."));
15378 if (first.analysisSupport && first.analyzing) {
15379 SendToBoth("exit\n");
15380 first.analyzing = second.analyzing = FALSE;
15382 thinkOutput[0] = NULLCHAR;
15386 EditPositionDone (Boolean fakeRights)
15388 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15390 startedFromSetupPosition = TRUE;
15391 InitChessProgram(&first, FALSE);
15392 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15394 boards[0][EP_STATUS] = EP_NONE;
15395 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15396 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15397 if(rightsBoard[r][f]) {
15398 ChessSquare p = boards[0][r][f];
15399 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15400 else if(p == king) boards[0][CASTLING][2] = f;
15401 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15402 else rightsBoard[r][f] = 2; // mark for second pass
15405 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15406 if(rightsBoard[r][f] == 2) {
15407 ChessSquare p = boards[0][r][f];
15408 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15409 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15413 SendToProgram("force\n", &first);
15414 if (blackPlaysFirst) {
15415 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15416 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15417 currentMove = forwardMostMove = backwardMostMove = 1;
15418 CopyBoard(boards[1], boards[0]);
15420 currentMove = forwardMostMove = backwardMostMove = 0;
15422 SendBoard(&first, forwardMostMove);
15423 if (appData.debugMode) {
15424 fprintf(debugFP, "EditPosDone\n");
15427 DisplayMessage("", "");
15428 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15429 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15430 gameMode = EditGame;
15432 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15433 ClearHighlights(); /* [AS] */
15436 /* Pause for `ms' milliseconds */
15437 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15439 TimeDelay (long ms)
15446 } while (SubtractTimeMarks(&m2, &m1) < ms);
15449 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15451 SendMultiLineToICS (char *buf)
15453 char temp[MSG_SIZ+1], *p;
15460 strncpy(temp, buf, len);
15465 if (*p == '\n' || *p == '\r')
15470 strcat(temp, "\n");
15472 SendToPlayer(temp, strlen(temp));
15476 SetWhiteToPlayEvent ()
15478 if (gameMode == EditPosition) {
15479 blackPlaysFirst = FALSE;
15480 DisplayBothClocks(); /* works because currentMove is 0 */
15481 } else if (gameMode == IcsExamining) {
15482 SendToICS(ics_prefix);
15483 SendToICS("tomove white\n");
15488 SetBlackToPlayEvent ()
15490 if (gameMode == EditPosition) {
15491 blackPlaysFirst = TRUE;
15492 currentMove = 1; /* kludge */
15493 DisplayBothClocks();
15495 } else if (gameMode == IcsExamining) {
15496 SendToICS(ics_prefix);
15497 SendToICS("tomove black\n");
15502 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15505 ChessSquare piece = boards[0][y][x];
15506 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15507 static int lastVariant;
15508 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15510 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15512 switch (selection) {
15514 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15515 MarkTargetSquares(1);
15516 CopyBoard(currentBoard, boards[0]);
15517 CopyBoard(menuBoard, initialPosition);
15518 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15519 SendToICS(ics_prefix);
15520 SendToICS("bsetup clear\n");
15521 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15522 SendToICS(ics_prefix);
15523 SendToICS("clearboard\n");
15526 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15527 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15528 for (y = 0; y < BOARD_HEIGHT; y++) {
15529 if (gameMode == IcsExamining) {
15530 if (boards[currentMove][y][x] != EmptySquare) {
15531 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15535 } else if(boards[0][y][x] != DarkSquare) {
15536 if(boards[0][y][x] != p) nonEmpty++;
15537 boards[0][y][x] = p;
15541 CopyBoard(rightsBoard, nullBoard);
15542 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15544 for(r = 0; r < BOARD_HEIGHT; r++) {
15545 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15546 ChessSquare p = menuBoard[r][x];
15547 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15550 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15551 DisplayMessage("Clicking clock again restores position", "");
15552 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15553 if(!nonEmpty) { // asked to clear an empty board
15554 CopyBoard(boards[0], menuBoard);
15556 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15557 CopyBoard(boards[0], initialPosition);
15559 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15560 && !CompareBoards(nullBoard, erasedBoard)) {
15561 CopyBoard(boards[0], erasedBoard);
15563 CopyBoard(erasedBoard, currentBoard);
15565 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15566 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15569 if (gameMode == EditPosition) {
15570 DrawPosition(FALSE, boards[0]);
15575 SetWhiteToPlayEvent();
15579 SetBlackToPlayEvent();
15583 if (gameMode == IcsExamining) {
15584 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15585 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15588 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15589 if(x == BOARD_LEFT-2) {
15590 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15591 boards[0][y][1] = 0;
15593 if(x == BOARD_RGHT+1) {
15594 if(y >= gameInfo.holdingsSize) break;
15595 boards[0][y][BOARD_WIDTH-2] = 0;
15598 boards[0][y][x] = EmptySquare;
15599 DrawPosition(FALSE, boards[0]);
15604 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15605 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15606 selection = (ChessSquare) (PROMOTED(piece));
15607 } else if(piece == EmptySquare) selection = WhiteSilver;
15608 else selection = (ChessSquare)((int)piece - 1);
15612 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15613 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15614 selection = (ChessSquare) (DEMOTED(piece));
15615 } else if(piece == EmptySquare) selection = BlackSilver;
15616 else selection = (ChessSquare)((int)piece + 1);
15621 if(gameInfo.variant == VariantShatranj ||
15622 gameInfo.variant == VariantXiangqi ||
15623 gameInfo.variant == VariantCourier ||
15624 gameInfo.variant == VariantASEAN ||
15625 gameInfo.variant == VariantMakruk )
15626 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15632 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15633 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15639 if(gameInfo.variant == VariantXiangqi)
15640 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15641 if(gameInfo.variant == VariantKnightmate)
15642 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15643 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15646 if (gameMode == IcsExamining) {
15647 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15648 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15649 PieceToChar(selection), AAA + x, ONE + y);
15652 rightsBoard[y][x] = hasRights;
15653 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15655 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15656 n = PieceToNumber(selection - BlackPawn);
15657 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15658 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15659 boards[0][BOARD_HEIGHT-1-n][1]++;
15661 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15662 n = PieceToNumber(selection);
15663 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15664 boards[0][n][BOARD_WIDTH-1] = selection;
15665 boards[0][n][BOARD_WIDTH-2]++;
15668 boards[0][y][x] = selection;
15669 DrawPosition(TRUE, boards[0]);
15671 fromX = fromY = -1;
15679 DropMenuEvent (ChessSquare selection, int x, int y)
15681 ChessMove moveType;
15683 switch (gameMode) {
15684 case IcsPlayingWhite:
15685 case MachinePlaysBlack:
15686 if (!WhiteOnMove(currentMove)) {
15687 DisplayMoveError(_("It is Black's turn"));
15690 moveType = WhiteDrop;
15692 case IcsPlayingBlack:
15693 case MachinePlaysWhite:
15694 if (WhiteOnMove(currentMove)) {
15695 DisplayMoveError(_("It is White's turn"));
15698 moveType = BlackDrop;
15701 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15707 if (moveType == BlackDrop && selection < BlackPawn) {
15708 selection = (ChessSquare) ((int) selection
15709 + (int) BlackPawn - (int) WhitePawn);
15711 if (boards[currentMove][y][x] != EmptySquare) {
15712 DisplayMoveError(_("That square is occupied"));
15716 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15722 /* Accept a pending offer of any kind from opponent */
15724 if (appData.icsActive) {
15725 SendToICS(ics_prefix);
15726 SendToICS("accept\n");
15727 } else if (cmailMsgLoaded) {
15728 if (currentMove == cmailOldMove &&
15729 commentList[cmailOldMove] != NULL &&
15730 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15731 "Black offers a draw" : "White offers a draw")) {
15733 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15734 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15736 DisplayError(_("There is no pending offer on this move"), 0);
15737 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15740 /* Not used for offers from chess program */
15747 /* Decline a pending offer of any kind from opponent */
15749 if (appData.icsActive) {
15750 SendToICS(ics_prefix);
15751 SendToICS("decline\n");
15752 } else if (cmailMsgLoaded) {
15753 if (currentMove == cmailOldMove &&
15754 commentList[cmailOldMove] != NULL &&
15755 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15756 "Black offers a draw" : "White offers a draw")) {
15758 AppendComment(cmailOldMove, "Draw declined", TRUE);
15759 DisplayComment(cmailOldMove - 1, "Draw declined");
15762 DisplayError(_("There is no pending offer on this move"), 0);
15765 /* Not used for offers from chess program */
15772 /* Issue ICS rematch command */
15773 if (appData.icsActive) {
15774 SendToICS(ics_prefix);
15775 SendToICS("rematch\n");
15782 /* Call your opponent's flag (claim a win on time) */
15783 if (appData.icsActive) {
15784 SendToICS(ics_prefix);
15785 SendToICS("flag\n");
15787 switch (gameMode) {
15790 case MachinePlaysWhite:
15793 GameEnds(GameIsDrawn, "Both players ran out of time",
15796 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15798 DisplayError(_("Your opponent is not out of time"), 0);
15801 case MachinePlaysBlack:
15804 GameEnds(GameIsDrawn, "Both players ran out of time",
15807 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15809 DisplayError(_("Your opponent is not out of time"), 0);
15817 ClockClick (int which)
15818 { // [HGM] code moved to back-end from winboard.c
15819 if(which) { // black clock
15820 if (gameMode == EditPosition || gameMode == IcsExamining) {
15821 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15822 SetBlackToPlayEvent();
15823 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15824 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15825 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15826 } else if (shiftKey) {
15827 AdjustClock(which, -1);
15828 } else if (gameMode == IcsPlayingWhite ||
15829 gameMode == MachinePlaysBlack) {
15832 } else { // white clock
15833 if (gameMode == EditPosition || gameMode == IcsExamining) {
15834 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15835 SetWhiteToPlayEvent();
15836 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15837 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15838 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15839 } else if (shiftKey) {
15840 AdjustClock(which, -1);
15841 } else if (gameMode == IcsPlayingBlack ||
15842 gameMode == MachinePlaysWhite) {
15851 /* Offer draw or accept pending draw offer from opponent */
15853 if (appData.icsActive) {
15854 /* Note: tournament rules require draw offers to be
15855 made after you make your move but before you punch
15856 your clock. Currently ICS doesn't let you do that;
15857 instead, you immediately punch your clock after making
15858 a move, but you can offer a draw at any time. */
15860 SendToICS(ics_prefix);
15861 SendToICS("draw\n");
15862 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15863 } else if (cmailMsgLoaded) {
15864 if (currentMove == cmailOldMove &&
15865 commentList[cmailOldMove] != NULL &&
15866 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15867 "Black offers a draw" : "White offers a draw")) {
15868 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15869 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15870 } else if (currentMove == cmailOldMove + 1) {
15871 char *offer = WhiteOnMove(cmailOldMove) ?
15872 "White offers a draw" : "Black offers a draw";
15873 AppendComment(currentMove, offer, TRUE);
15874 DisplayComment(currentMove - 1, offer);
15875 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15877 DisplayError(_("You must make your move before offering a draw"), 0);
15878 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15880 } else if (first.offeredDraw) {
15881 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15883 if (first.sendDrawOffers) {
15884 SendToProgram("draw\n", &first);
15885 userOfferedDraw = TRUE;
15893 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15895 if (appData.icsActive) {
15896 SendToICS(ics_prefix);
15897 SendToICS("adjourn\n");
15899 /* Currently GNU Chess doesn't offer or accept Adjourns */
15907 /* Offer Abort or accept pending Abort offer from opponent */
15909 if (appData.icsActive) {
15910 SendToICS(ics_prefix);
15911 SendToICS("abort\n");
15913 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15920 /* Resign. You can do this even if it's not your turn. */
15922 if (appData.icsActive) {
15923 SendToICS(ics_prefix);
15924 SendToICS("resign\n");
15926 switch (gameMode) {
15927 case MachinePlaysWhite:
15928 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15930 case MachinePlaysBlack:
15931 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15934 if (cmailMsgLoaded) {
15936 if (WhiteOnMove(cmailOldMove)) {
15937 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15939 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15941 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15952 StopObservingEvent ()
15954 /* Stop observing current games */
15955 SendToICS(ics_prefix);
15956 SendToICS("unobserve\n");
15960 StopExaminingEvent ()
15962 /* Stop observing current game */
15963 SendToICS(ics_prefix);
15964 SendToICS("unexamine\n");
15968 ForwardInner (int target)
15970 int limit; int oldSeekGraphUp = seekGraphUp;
15972 if (appData.debugMode)
15973 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15974 target, currentMove, forwardMostMove);
15976 if (gameMode == EditPosition)
15979 seekGraphUp = FALSE;
15980 MarkTargetSquares(1);
15981 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15983 if (gameMode == PlayFromGameFile && !pausing)
15986 if (gameMode == IcsExamining && pausing)
15987 limit = pauseExamForwardMostMove;
15989 limit = forwardMostMove;
15991 if (target > limit) target = limit;
15993 if (target > 0 && moveList[target - 1][0]) {
15994 int fromX, fromY, toX, toY;
15995 toX = moveList[target - 1][2] - AAA;
15996 toY = moveList[target - 1][3] - ONE;
15997 if (moveList[target - 1][1] == '@') {
15998 if (appData.highlightLastMove) {
15999 SetHighlights(-1, -1, toX, toY);
16002 fromX = moveList[target - 1][0] - AAA;
16003 fromY = moveList[target - 1][1] - ONE;
16004 if (target == currentMove + 1) {
16005 if(moveList[target - 1][4] == ';') { // multi-leg
16006 killX = moveList[target - 1][5] - AAA;
16007 killY = moveList[target - 1][6] - ONE;
16009 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16010 killX = killY = -1;
16012 if (appData.highlightLastMove) {
16013 SetHighlights(fromX, fromY, toX, toY);
16017 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16018 gameMode == Training || gameMode == PlayFromGameFile ||
16019 gameMode == AnalyzeFile) {
16020 while (currentMove < target) {
16021 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16022 SendMoveToProgram(currentMove++, &first);
16025 currentMove = target;
16028 if (gameMode == EditGame || gameMode == EndOfGame) {
16029 whiteTimeRemaining = timeRemaining[0][currentMove];
16030 blackTimeRemaining = timeRemaining[1][currentMove];
16032 DisplayBothClocks();
16033 DisplayMove(currentMove - 1);
16034 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16035 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16036 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16037 DisplayComment(currentMove - 1, commentList[currentMove]);
16039 ClearMap(); // [HGM] exclude: invalidate map
16046 if (gameMode == IcsExamining && !pausing) {
16047 SendToICS(ics_prefix);
16048 SendToICS("forward\n");
16050 ForwardInner(currentMove + 1);
16057 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16058 /* to optimze, we temporarily turn off analysis mode while we feed
16059 * the remaining moves to the engine. Otherwise we get analysis output
16062 if (first.analysisSupport) {
16063 SendToProgram("exit\nforce\n", &first);
16064 first.analyzing = FALSE;
16068 if (gameMode == IcsExamining && !pausing) {
16069 SendToICS(ics_prefix);
16070 SendToICS("forward 999999\n");
16072 ForwardInner(forwardMostMove);
16075 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16076 /* we have fed all the moves, so reactivate analysis mode */
16077 SendToProgram("analyze\n", &first);
16078 first.analyzing = TRUE;
16079 /*first.maybeThinking = TRUE;*/
16080 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16085 BackwardInner (int target)
16087 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16089 if (appData.debugMode)
16090 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16091 target, currentMove, forwardMostMove);
16093 if (gameMode == EditPosition) return;
16094 seekGraphUp = FALSE;
16095 MarkTargetSquares(1);
16096 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16097 if (currentMove <= backwardMostMove) {
16099 DrawPosition(full_redraw, boards[currentMove]);
16102 if (gameMode == PlayFromGameFile && !pausing)
16105 if (moveList[target][0]) {
16106 int fromX, fromY, toX, toY;
16107 toX = moveList[target][2] - AAA;
16108 toY = moveList[target][3] - ONE;
16109 if (moveList[target][1] == '@') {
16110 if (appData.highlightLastMove) {
16111 SetHighlights(-1, -1, toX, toY);
16114 fromX = moveList[target][0] - AAA;
16115 fromY = moveList[target][1] - ONE;
16116 if (target == currentMove - 1) {
16117 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16119 if (appData.highlightLastMove) {
16120 SetHighlights(fromX, fromY, toX, toY);
16124 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16125 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16126 while (currentMove > target) {
16127 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16128 // null move cannot be undone. Reload program with move history before it.
16130 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16131 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16133 SendBoard(&first, i);
16134 if(second.analyzing) SendBoard(&second, i);
16135 for(currentMove=i; currentMove<target; currentMove++) {
16136 SendMoveToProgram(currentMove, &first);
16137 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16141 SendToBoth("undo\n");
16145 currentMove = target;
16148 if (gameMode == EditGame || gameMode == EndOfGame) {
16149 whiteTimeRemaining = timeRemaining[0][currentMove];
16150 blackTimeRemaining = timeRemaining[1][currentMove];
16152 DisplayBothClocks();
16153 DisplayMove(currentMove - 1);
16154 DrawPosition(full_redraw, boards[currentMove]);
16155 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16156 // [HGM] PV info: routine tests if comment empty
16157 DisplayComment(currentMove - 1, commentList[currentMove]);
16158 ClearMap(); // [HGM] exclude: invalidate map
16164 if (gameMode == IcsExamining && !pausing) {
16165 SendToICS(ics_prefix);
16166 SendToICS("backward\n");
16168 BackwardInner(currentMove - 1);
16175 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16176 /* to optimize, we temporarily turn off analysis mode while we undo
16177 * all the moves. Otherwise we get analysis output after each undo.
16179 if (first.analysisSupport) {
16180 SendToProgram("exit\nforce\n", &first);
16181 first.analyzing = FALSE;
16185 if (gameMode == IcsExamining && !pausing) {
16186 SendToICS(ics_prefix);
16187 SendToICS("backward 999999\n");
16189 BackwardInner(backwardMostMove);
16192 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16193 /* we have fed all the moves, so reactivate analysis mode */
16194 SendToProgram("analyze\n", &first);
16195 first.analyzing = TRUE;
16196 /*first.maybeThinking = TRUE;*/
16197 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16204 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16205 if (to >= forwardMostMove) to = forwardMostMove;
16206 if (to <= backwardMostMove) to = backwardMostMove;
16207 if (to < currentMove) {
16215 RevertEvent (Boolean annotate)
16217 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16220 if (gameMode != IcsExamining) {
16221 DisplayError(_("You are not examining a game"), 0);
16225 DisplayError(_("You can't revert while pausing"), 0);
16228 SendToICS(ics_prefix);
16229 SendToICS("revert\n");
16233 RetractMoveEvent ()
16235 switch (gameMode) {
16236 case MachinePlaysWhite:
16237 case MachinePlaysBlack:
16238 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16239 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16242 if (forwardMostMove < 2) return;
16243 currentMove = forwardMostMove = forwardMostMove - 2;
16244 whiteTimeRemaining = timeRemaining[0][currentMove];
16245 blackTimeRemaining = timeRemaining[1][currentMove];
16246 DisplayBothClocks();
16247 DisplayMove(currentMove - 1);
16248 ClearHighlights();/*!! could figure this out*/
16249 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16250 SendToProgram("remove\n", &first);
16251 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16254 case BeginningOfGame:
16258 case IcsPlayingWhite:
16259 case IcsPlayingBlack:
16260 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16261 SendToICS(ics_prefix);
16262 SendToICS("takeback 2\n");
16264 SendToICS(ics_prefix);
16265 SendToICS("takeback 1\n");
16274 ChessProgramState *cps;
16276 switch (gameMode) {
16277 case MachinePlaysWhite:
16278 if (!WhiteOnMove(forwardMostMove)) {
16279 DisplayError(_("It is your turn"), 0);
16284 case MachinePlaysBlack:
16285 if (WhiteOnMove(forwardMostMove)) {
16286 DisplayError(_("It is your turn"), 0);
16291 case TwoMachinesPlay:
16292 if (WhiteOnMove(forwardMostMove) ==
16293 (first.twoMachinesColor[0] == 'w')) {
16299 case BeginningOfGame:
16303 SendToProgram("?\n", cps);
16307 TruncateGameEvent ()
16310 if (gameMode != EditGame) return;
16317 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16318 if (forwardMostMove > currentMove) {
16319 if (gameInfo.resultDetails != NULL) {
16320 free(gameInfo.resultDetails);
16321 gameInfo.resultDetails = NULL;
16322 gameInfo.result = GameUnfinished;
16324 forwardMostMove = currentMove;
16325 HistorySet(parseList, backwardMostMove, forwardMostMove,
16333 if (appData.noChessProgram) return;
16334 switch (gameMode) {
16335 case MachinePlaysWhite:
16336 if (WhiteOnMove(forwardMostMove)) {
16337 DisplayError(_("Wait until your turn."), 0);
16341 case BeginningOfGame:
16342 case MachinePlaysBlack:
16343 if (!WhiteOnMove(forwardMostMove)) {
16344 DisplayError(_("Wait until your turn."), 0);
16349 DisplayError(_("No hint available"), 0);
16352 SendToProgram("hint\n", &first);
16353 hintRequested = TRUE;
16357 SaveSelected (FILE *g, int dummy, char *dummy2)
16359 ListGame * lg = (ListGame *) gameList.head;
16363 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16364 DisplayError(_("Game list not loaded or empty"), 0);
16368 creatingBook = TRUE; // suppresses stuff during load game
16370 /* Get list size */
16371 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16372 if(lg->position >= 0) { // selected?
16373 LoadGame(f, nItem, "", TRUE);
16374 SaveGamePGN2(g); // leaves g open
16377 lg = (ListGame *) lg->node.succ;
16381 creatingBook = FALSE;
16389 ListGame * lg = (ListGame *) gameList.head;
16392 static int secondTime = FALSE;
16394 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16395 DisplayError(_("Game list not loaded or empty"), 0);
16399 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16402 DisplayNote(_("Book file exists! Try again for overwrite."));
16406 creatingBook = TRUE;
16407 secondTime = FALSE;
16409 /* Get list size */
16410 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16411 if(lg->position >= 0) {
16412 LoadGame(f, nItem, "", TRUE);
16413 AddGameToBook(TRUE);
16416 lg = (ListGame *) lg->node.succ;
16419 creatingBook = FALSE;
16426 if (appData.noChessProgram) return;
16427 switch (gameMode) {
16428 case MachinePlaysWhite:
16429 if (WhiteOnMove(forwardMostMove)) {
16430 DisplayError(_("Wait until your turn."), 0);
16434 case BeginningOfGame:
16435 case MachinePlaysBlack:
16436 if (!WhiteOnMove(forwardMostMove)) {
16437 DisplayError(_("Wait until your turn."), 0);
16442 EditPositionDone(TRUE);
16444 case TwoMachinesPlay:
16449 SendToProgram("bk\n", &first);
16450 bookOutput[0] = NULLCHAR;
16451 bookRequested = TRUE;
16457 char *tags = PGNTags(&gameInfo);
16458 TagsPopUp(tags, CmailMsg());
16462 /* end button procedures */
16465 PrintPosition (FILE *fp, int move)
16469 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16470 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16471 char c = PieceToChar(boards[move][i][j]);
16472 fputc(c == '?' ? '.' : c, fp);
16473 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16476 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16477 fprintf(fp, "white to play\n");
16479 fprintf(fp, "black to play\n");
16483 PrintOpponents (FILE *fp)
16485 if (gameInfo.white != NULL) {
16486 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16492 /* Find last component of program's own name, using some heuristics */
16494 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16497 int local = (strcmp(host, "localhost") == 0);
16498 while (!local && (p = strchr(prog, ';')) != NULL) {
16500 while (*p == ' ') p++;
16503 if (*prog == '"' || *prog == '\'') {
16504 q = strchr(prog + 1, *prog);
16506 q = strchr(prog, ' ');
16508 if (q == NULL) q = prog + strlen(prog);
16510 while (p >= prog && *p != '/' && *p != '\\') p--;
16512 if(p == prog && *p == '"') p++;
16514 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16515 memcpy(buf, p, q - p);
16516 buf[q - p] = NULLCHAR;
16524 TimeControlTagValue ()
16527 if (!appData.clockMode) {
16528 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16529 } else if (movesPerSession > 0) {
16530 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16531 } else if (timeIncrement == 0) {
16532 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16534 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16536 return StrSave(buf);
16542 /* This routine is used only for certain modes */
16543 VariantClass v = gameInfo.variant;
16544 ChessMove r = GameUnfinished;
16547 if(keepInfo) return;
16549 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16550 r = gameInfo.result;
16551 p = gameInfo.resultDetails;
16552 gameInfo.resultDetails = NULL;
16554 ClearGameInfo(&gameInfo);
16555 gameInfo.variant = v;
16557 switch (gameMode) {
16558 case MachinePlaysWhite:
16559 gameInfo.event = StrSave( appData.pgnEventHeader );
16560 gameInfo.site = StrSave(HostName());
16561 gameInfo.date = PGNDate();
16562 gameInfo.round = StrSave("-");
16563 gameInfo.white = StrSave(first.tidy);
16564 gameInfo.black = StrSave(UserName());
16565 gameInfo.timeControl = TimeControlTagValue();
16568 case MachinePlaysBlack:
16569 gameInfo.event = StrSave( appData.pgnEventHeader );
16570 gameInfo.site = StrSave(HostName());
16571 gameInfo.date = PGNDate();
16572 gameInfo.round = StrSave("-");
16573 gameInfo.white = StrSave(UserName());
16574 gameInfo.black = StrSave(first.tidy);
16575 gameInfo.timeControl = TimeControlTagValue();
16578 case TwoMachinesPlay:
16579 gameInfo.event = StrSave( appData.pgnEventHeader );
16580 gameInfo.site = StrSave(HostName());
16581 gameInfo.date = PGNDate();
16584 snprintf(buf, MSG_SIZ, "%d", roundNr);
16585 gameInfo.round = StrSave(buf);
16587 gameInfo.round = StrSave("-");
16589 if (first.twoMachinesColor[0] == 'w') {
16590 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16591 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16593 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16594 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16596 gameInfo.timeControl = TimeControlTagValue();
16600 gameInfo.event = StrSave("Edited game");
16601 gameInfo.site = StrSave(HostName());
16602 gameInfo.date = PGNDate();
16603 gameInfo.round = StrSave("-");
16604 gameInfo.white = StrSave("-");
16605 gameInfo.black = StrSave("-");
16606 gameInfo.result = r;
16607 gameInfo.resultDetails = p;
16611 gameInfo.event = StrSave("Edited position");
16612 gameInfo.site = StrSave(HostName());
16613 gameInfo.date = PGNDate();
16614 gameInfo.round = StrSave("-");
16615 gameInfo.white = StrSave("-");
16616 gameInfo.black = StrSave("-");
16619 case IcsPlayingWhite:
16620 case IcsPlayingBlack:
16625 case PlayFromGameFile:
16626 gameInfo.event = StrSave("Game from non-PGN file");
16627 gameInfo.site = StrSave(HostName());
16628 gameInfo.date = PGNDate();
16629 gameInfo.round = StrSave("-");
16630 gameInfo.white = StrSave("?");
16631 gameInfo.black = StrSave("?");
16640 ReplaceComment (int index, char *text)
16646 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16647 pvInfoList[index-1].depth == len &&
16648 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16649 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16650 while (*text == '\n') text++;
16651 len = strlen(text);
16652 while (len > 0 && text[len - 1] == '\n') len--;
16654 if (commentList[index] != NULL)
16655 free(commentList[index]);
16658 commentList[index] = NULL;
16661 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16662 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16663 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16664 commentList[index] = (char *) malloc(len + 2);
16665 strncpy(commentList[index], text, len);
16666 commentList[index][len] = '\n';
16667 commentList[index][len + 1] = NULLCHAR;
16669 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16671 commentList[index] = (char *) malloc(len + 7);
16672 safeStrCpy(commentList[index], "{\n", 3);
16673 safeStrCpy(commentList[index]+2, text, len+1);
16674 commentList[index][len+2] = NULLCHAR;
16675 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16676 strcat(commentList[index], "\n}\n");
16681 CrushCRs (char *text)
16689 if (ch == '\r') continue;
16691 } while (ch != '\0');
16695 AppendComment (int index, char *text, Boolean addBraces)
16696 /* addBraces tells if we should add {} */
16701 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16702 if(addBraces == 3) addBraces = 0; else // force appending literally
16703 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16706 while (*text == '\n') text++;
16707 len = strlen(text);
16708 while (len > 0 && text[len - 1] == '\n') len--;
16709 text[len] = NULLCHAR;
16711 if (len == 0) return;
16713 if (commentList[index] != NULL) {
16714 Boolean addClosingBrace = addBraces;
16715 old = commentList[index];
16716 oldlen = strlen(old);
16717 while(commentList[index][oldlen-1] == '\n')
16718 commentList[index][--oldlen] = NULLCHAR;
16719 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16720 safeStrCpy(commentList[index], old, oldlen + len + 6);
16722 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16723 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16724 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16725 while (*text == '\n') { text++; len--; }
16726 commentList[index][--oldlen] = NULLCHAR;
16728 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16729 else strcat(commentList[index], "\n");
16730 strcat(commentList[index], text);
16731 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16732 else strcat(commentList[index], "\n");
16734 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16736 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16737 else commentList[index][0] = NULLCHAR;
16738 strcat(commentList[index], text);
16739 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16740 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16745 FindStr (char * text, char * sub_text)
16747 char * result = strstr( text, sub_text );
16749 if( result != NULL ) {
16750 result += strlen( sub_text );
16756 /* [AS] Try to extract PV info from PGN comment */
16757 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16759 GetInfoFromComment (int index, char * text)
16761 char * sep = text, *p;
16763 if( text != NULL && index > 0 ) {
16766 int time = -1, sec = 0, deci;
16767 char * s_eval = FindStr( text, "[%eval " );
16768 char * s_emt = FindStr( text, "[%emt " );
16770 if( s_eval != NULL || s_emt != NULL ) {
16772 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16777 if( s_eval != NULL ) {
16778 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16782 if( delim != ']' ) {
16787 if( s_emt != NULL ) {
16792 /* We expect something like: [+|-]nnn.nn/dd */
16795 if(*text != '{') return text; // [HGM] braces: must be normal comment
16797 sep = strchr( text, '/' );
16798 if( sep == NULL || sep < (text+4) ) {
16803 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16804 if(p[1] == '(') { // comment starts with PV
16805 p = strchr(p, ')'); // locate end of PV
16806 if(p == NULL || sep < p+5) return text;
16807 // at this point we have something like "{(.*) +0.23/6 ..."
16808 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16809 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16810 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16812 time = -1; sec = -1; deci = -1;
16813 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16814 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16815 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16816 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16820 if( score_lo < 0 || score_lo >= 100 ) {
16824 if(sec >= 0) time = 600*time + 10*sec; else
16825 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16827 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16829 /* [HGM] PV time: now locate end of PV info */
16830 while( *++sep >= '0' && *sep <= '9'); // strip depth
16832 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16834 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16836 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16837 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16848 pvInfoList[index-1].depth = depth;
16849 pvInfoList[index-1].score = score;
16850 pvInfoList[index-1].time = 10*time; // centi-sec
16851 if(*sep == '}') *sep = 0; else *--sep = '{';
16853 while(*p++ = *sep++)
16856 } // squeeze out space between PV and comment, and return both
16862 SendToProgram (char *message, ChessProgramState *cps)
16864 int count, outCount, error;
16867 if (cps->pr == NoProc) return;
16870 if (appData.debugMode) {
16873 fprintf(debugFP, "%ld >%-6s: %s",
16874 SubtractTimeMarks(&now, &programStartTime),
16875 cps->which, message);
16877 fprintf(serverFP, "%ld >%-6s: %s",
16878 SubtractTimeMarks(&now, &programStartTime),
16879 cps->which, message), fflush(serverFP);
16882 count = strlen(message);
16883 outCount = OutputToProcess(cps->pr, message, count, &error);
16884 if (outCount < count && !exiting
16885 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16886 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16887 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16888 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16889 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16890 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16891 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16892 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16894 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16895 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16896 gameInfo.result = res;
16898 gameInfo.resultDetails = StrSave(buf);
16900 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16901 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16906 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16910 ChessProgramState *cps = (ChessProgramState *)closure;
16912 if (isr != cps->isr) return; /* Killed intentionally */
16915 RemoveInputSource(cps->isr);
16916 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16917 _(cps->which), cps->program);
16918 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16919 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16920 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16921 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16922 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16923 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16925 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16926 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16927 gameInfo.result = res;
16929 gameInfo.resultDetails = StrSave(buf);
16931 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16932 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16934 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16935 _(cps->which), cps->program);
16936 RemoveInputSource(cps->isr);
16938 /* [AS] Program is misbehaving badly... kill it */
16939 if( count == -2 ) {
16940 DestroyChildProcess( cps->pr, 9 );
16944 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16949 if ((end_str = strchr(message, '\r')) != NULL)
16950 *end_str = NULLCHAR;
16951 if ((end_str = strchr(message, '\n')) != NULL)
16952 *end_str = NULLCHAR;
16954 if (appData.debugMode) {
16955 TimeMark now; int print = 1;
16956 char *quote = ""; char c; int i;
16958 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16959 char start = message[0];
16960 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16961 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16962 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16963 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16964 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16965 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16966 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16967 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16968 sscanf(message, "hint: %c", &c)!=1 &&
16969 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16970 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16971 print = (appData.engineComments >= 2);
16973 message[0] = start; // restore original message
16977 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16978 SubtractTimeMarks(&now, &programStartTime), cps->which,
16982 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16983 SubtractTimeMarks(&now, &programStartTime), cps->which,
16985 message), fflush(serverFP);
16989 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16990 if (appData.icsEngineAnalyze) {
16991 if (strstr(message, "whisper") != NULL ||
16992 strstr(message, "kibitz") != NULL ||
16993 strstr(message, "tellics") != NULL) return;
16996 HandleMachineMove(message, cps);
17001 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17006 if( timeControl_2 > 0 ) {
17007 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17008 tc = timeControl_2;
17011 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17012 inc /= cps->timeOdds;
17013 st /= cps->timeOdds;
17015 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17018 /* Set exact time per move, normally using st command */
17019 if (cps->stKludge) {
17020 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17022 if (seconds == 0) {
17023 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17025 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17028 snprintf(buf, MSG_SIZ, "st %d\n", st);
17031 /* Set conventional or incremental time control, using level command */
17032 if (seconds == 0) {
17033 /* Note old gnuchess bug -- minutes:seconds used to not work.
17034 Fixed in later versions, but still avoid :seconds
17035 when seconds is 0. */
17036 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17038 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17039 seconds, inc/1000.);
17042 SendToProgram(buf, cps);
17044 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17045 /* Orthogonally, limit search to given depth */
17047 if (cps->sdKludge) {
17048 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17050 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17052 SendToProgram(buf, cps);
17055 if(cps->nps >= 0) { /* [HGM] nps */
17056 if(cps->supportsNPS == FALSE)
17057 cps->nps = -1; // don't use if engine explicitly says not supported!
17059 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17060 SendToProgram(buf, cps);
17065 ChessProgramState *
17067 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17069 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17070 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17076 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17078 char message[MSG_SIZ];
17081 /* Note: this routine must be called when the clocks are stopped
17082 or when they have *just* been set or switched; otherwise
17083 it will be off by the time since the current tick started.
17085 if (machineWhite) {
17086 time = whiteTimeRemaining / 10;
17087 otime = blackTimeRemaining / 10;
17089 time = blackTimeRemaining / 10;
17090 otime = whiteTimeRemaining / 10;
17092 /* [HGM] translate opponent's time by time-odds factor */
17093 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17095 if (time <= 0) time = 1;
17096 if (otime <= 0) otime = 1;
17098 snprintf(message, MSG_SIZ, "time %ld\n", time);
17099 SendToProgram(message, cps);
17101 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17102 SendToProgram(message, cps);
17106 EngineDefinedVariant (ChessProgramState *cps, int n)
17107 { // return name of n-th unknown variant that engine supports
17108 static char buf[MSG_SIZ];
17109 char *p, *s = cps->variants;
17110 if(!s) return NULL;
17111 do { // parse string from variants feature
17113 p = strchr(s, ',');
17114 if(p) *p = NULLCHAR;
17115 v = StringToVariant(s);
17116 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17117 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17118 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17119 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17120 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17121 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17122 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17125 if(n < 0) return buf;
17131 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17134 int len = strlen(name);
17137 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17139 sscanf(*p, "%d", &val);
17141 while (**p && **p != ' ')
17143 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17144 SendToProgram(buf, cps);
17151 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17154 int len = strlen(name);
17155 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17157 sscanf(*p, "%d", loc);
17158 while (**p && **p != ' ') (*p)++;
17159 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17160 SendToProgram(buf, cps);
17167 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17170 int len = strlen(name);
17171 if (strncmp((*p), name, len) == 0
17172 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17174 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17175 sscanf(*p, "%[^\"]", *loc);
17176 while (**p && **p != '\"') (*p)++;
17177 if (**p == '\"') (*p)++;
17178 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17179 SendToProgram(buf, cps);
17186 ParseOption (Option *opt, ChessProgramState *cps)
17187 // [HGM] options: process the string that defines an engine option, and determine
17188 // name, type, default value, and allowed value range
17190 char *p, *q, buf[MSG_SIZ];
17191 int n, min = (-1)<<31, max = 1<<31, def;
17193 opt->target = &opt->value; // OK for spin/slider and checkbox
17194 if(p = strstr(opt->name, " -spin ")) {
17195 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17196 if(max < min) max = min; // enforce consistency
17197 if(def < min) def = min;
17198 if(def > max) def = max;
17203 } else if((p = strstr(opt->name, " -slider "))) {
17204 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17205 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17206 if(max < min) max = min; // enforce consistency
17207 if(def < min) def = min;
17208 if(def > max) def = max;
17212 opt->type = Spin; // Slider;
17213 } else if((p = strstr(opt->name, " -string "))) {
17214 opt->textValue = p+9;
17215 opt->type = TextBox;
17216 opt->target = &opt->textValue;
17217 } else if((p = strstr(opt->name, " -file "))) {
17218 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17219 opt->target = opt->textValue = p+7;
17220 opt->type = FileName; // FileName;
17221 opt->target = &opt->textValue;
17222 } else if((p = strstr(opt->name, " -path "))) {
17223 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17224 opt->target = opt->textValue = p+7;
17225 opt->type = PathName; // PathName;
17226 opt->target = &opt->textValue;
17227 } else if(p = strstr(opt->name, " -check ")) {
17228 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17229 opt->value = (def != 0);
17230 opt->type = CheckBox;
17231 } else if(p = strstr(opt->name, " -combo ")) {
17232 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17233 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17234 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17235 opt->value = n = 0;
17236 while(q = StrStr(q, " /// ")) {
17237 n++; *q = 0; // count choices, and null-terminate each of them
17239 if(*q == '*') { // remember default, which is marked with * prefix
17243 cps->comboList[cps->comboCnt++] = q;
17245 cps->comboList[cps->comboCnt++] = NULL;
17247 opt->type = ComboBox;
17248 } else if(p = strstr(opt->name, " -button")) {
17249 opt->type = Button;
17250 } else if(p = strstr(opt->name, " -save")) {
17251 opt->type = SaveButton;
17252 } else return FALSE;
17253 *p = 0; // terminate option name
17254 // now look if the command-line options define a setting for this engine option.
17255 if(cps->optionSettings && cps->optionSettings[0])
17256 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17257 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17258 snprintf(buf, MSG_SIZ, "option %s", p);
17259 if(p = strstr(buf, ",")) *p = 0;
17260 if(q = strchr(buf, '=')) switch(opt->type) {
17262 for(n=0; n<opt->max; n++)
17263 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17266 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17270 opt->value = atoi(q+1);
17275 SendToProgram(buf, cps);
17281 FeatureDone (ChessProgramState *cps, int val)
17283 DelayedEventCallback cb = GetDelayedEvent();
17284 if ((cb == InitBackEnd3 && cps == &first) ||
17285 (cb == SettingsMenuIfReady && cps == &second) ||
17286 (cb == LoadEngine) ||
17287 (cb == TwoMachinesEventIfReady)) {
17288 CancelDelayedEvent();
17289 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17290 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17291 cps->initDone = val;
17292 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17295 /* Parse feature command from engine */
17297 ParseFeatures (char *args, ChessProgramState *cps)
17305 while (*p == ' ') p++;
17306 if (*p == NULLCHAR) return;
17308 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17309 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17310 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17311 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17312 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17313 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17314 if (BoolFeature(&p, "reuse", &val, cps)) {
17315 /* Engine can disable reuse, but can't enable it if user said no */
17316 if (!val) cps->reuse = FALSE;
17319 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17320 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17321 if (gameMode == TwoMachinesPlay) {
17322 DisplayTwoMachinesTitle();
17328 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17329 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17330 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17331 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17332 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17333 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17334 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17335 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17336 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17337 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17338 if (IntFeature(&p, "done", &val, cps)) {
17339 FeatureDone(cps, val);
17342 /* Added by Tord: */
17343 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17344 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17345 /* End of additions by Tord */
17347 /* [HGM] added features: */
17348 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17349 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17350 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17351 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17352 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17353 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17354 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17355 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17356 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17357 FREE(cps->option[cps->nrOptions].name);
17358 cps->option[cps->nrOptions].name = q; q = NULL;
17359 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17360 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17361 SendToProgram(buf, cps);
17364 if(cps->nrOptions >= MAX_OPTIONS) {
17366 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17367 DisplayError(buf, 0);
17371 /* End of additions by HGM */
17373 /* unknown feature: complain and skip */
17375 while (*q && *q != '=') q++;
17376 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17377 SendToProgram(buf, cps);
17383 while (*p && *p != '\"') p++;
17384 if (*p == '\"') p++;
17386 while (*p && *p != ' ') p++;
17394 PeriodicUpdatesEvent (int newState)
17396 if (newState == appData.periodicUpdates)
17399 appData.periodicUpdates=newState;
17401 /* Display type changes, so update it now */
17402 // DisplayAnalysis();
17404 /* Get the ball rolling again... */
17406 AnalysisPeriodicEvent(1);
17407 StartAnalysisClock();
17412 PonderNextMoveEvent (int newState)
17414 if (newState == appData.ponderNextMove) return;
17415 if (gameMode == EditPosition) EditPositionDone(TRUE);
17417 SendToProgram("hard\n", &first);
17418 if (gameMode == TwoMachinesPlay) {
17419 SendToProgram("hard\n", &second);
17422 SendToProgram("easy\n", &first);
17423 thinkOutput[0] = NULLCHAR;
17424 if (gameMode == TwoMachinesPlay) {
17425 SendToProgram("easy\n", &second);
17428 appData.ponderNextMove = newState;
17432 NewSettingEvent (int option, int *feature, char *command, int value)
17436 if (gameMode == EditPosition) EditPositionDone(TRUE);
17437 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17438 if(feature == NULL || *feature) SendToProgram(buf, &first);
17439 if (gameMode == TwoMachinesPlay) {
17440 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17445 ShowThinkingEvent ()
17446 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17448 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17449 int newState = appData.showThinking
17450 // [HGM] thinking: other features now need thinking output as well
17451 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17453 if (oldState == newState) return;
17454 oldState = newState;
17455 if (gameMode == EditPosition) EditPositionDone(TRUE);
17457 SendToProgram("post\n", &first);
17458 if (gameMode == TwoMachinesPlay) {
17459 SendToProgram("post\n", &second);
17462 SendToProgram("nopost\n", &first);
17463 thinkOutput[0] = NULLCHAR;
17464 if (gameMode == TwoMachinesPlay) {
17465 SendToProgram("nopost\n", &second);
17468 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17472 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17474 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17475 if (pr == NoProc) return;
17476 AskQuestion(title, question, replyPrefix, pr);
17480 TypeInEvent (char firstChar)
17482 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17483 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17484 gameMode == AnalyzeMode || gameMode == EditGame ||
17485 gameMode == EditPosition || gameMode == IcsExamining ||
17486 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17487 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17488 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17489 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17490 gameMode == Training) PopUpMoveDialog(firstChar);
17494 TypeInDoneEvent (char *move)
17497 int n, fromX, fromY, toX, toY;
17499 ChessMove moveType;
17502 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17503 EditPositionPasteFEN(move);
17506 // [HGM] movenum: allow move number to be typed in any mode
17507 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17511 // undocumented kludge: allow command-line option to be typed in!
17512 // (potentially fatal, and does not implement the effect of the option.)
17513 // should only be used for options that are values on which future decisions will be made,
17514 // and definitely not on options that would be used during initialization.
17515 if(strstr(move, "!!! -") == move) {
17516 ParseArgsFromString(move+4);
17520 if (gameMode != EditGame && currentMove != forwardMostMove &&
17521 gameMode != Training) {
17522 DisplayMoveError(_("Displayed move is not current"));
17524 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17525 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17526 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17527 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17528 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17529 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17531 DisplayMoveError(_("Could not parse move"));
17537 DisplayMove (int moveNumber)
17539 char message[MSG_SIZ];
17541 char cpThinkOutput[MSG_SIZ];
17543 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17545 if (moveNumber == forwardMostMove - 1 ||
17546 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17548 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17550 if (strchr(cpThinkOutput, '\n')) {
17551 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17554 *cpThinkOutput = NULLCHAR;
17557 /* [AS] Hide thinking from human user */
17558 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17559 *cpThinkOutput = NULLCHAR;
17560 if( thinkOutput[0] != NULLCHAR ) {
17563 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17564 cpThinkOutput[i] = '.';
17566 cpThinkOutput[i] = NULLCHAR;
17567 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17571 if (moveNumber == forwardMostMove - 1 &&
17572 gameInfo.resultDetails != NULL) {
17573 if (gameInfo.resultDetails[0] == NULLCHAR) {
17574 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17576 snprintf(res, MSG_SIZ, " {%s} %s",
17577 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17583 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17584 DisplayMessage(res, cpThinkOutput);
17586 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17587 WhiteOnMove(moveNumber) ? " " : ".. ",
17588 parseList[moveNumber], res);
17589 DisplayMessage(message, cpThinkOutput);
17594 DisplayComment (int moveNumber, char *text)
17596 char title[MSG_SIZ];
17598 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17599 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17601 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17602 WhiteOnMove(moveNumber) ? " " : ".. ",
17603 parseList[moveNumber]);
17605 if (text != NULL && (appData.autoDisplayComment || commentUp))
17606 CommentPopUp(title, text);
17609 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17610 * might be busy thinking or pondering. It can be omitted if your
17611 * gnuchess is configured to stop thinking immediately on any user
17612 * input. However, that gnuchess feature depends on the FIONREAD
17613 * ioctl, which does not work properly on some flavors of Unix.
17616 Attention (ChessProgramState *cps)
17619 if (!cps->useSigint) return;
17620 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17621 switch (gameMode) {
17622 case MachinePlaysWhite:
17623 case MachinePlaysBlack:
17624 case TwoMachinesPlay:
17625 case IcsPlayingWhite:
17626 case IcsPlayingBlack:
17629 /* Skip if we know it isn't thinking */
17630 if (!cps->maybeThinking) return;
17631 if (appData.debugMode)
17632 fprintf(debugFP, "Interrupting %s\n", cps->which);
17633 InterruptChildProcess(cps->pr);
17634 cps->maybeThinking = FALSE;
17639 #endif /*ATTENTION*/
17645 if (whiteTimeRemaining <= 0) {
17648 if (appData.icsActive) {
17649 if (appData.autoCallFlag &&
17650 gameMode == IcsPlayingBlack && !blackFlag) {
17651 SendToICS(ics_prefix);
17652 SendToICS("flag\n");
17656 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17658 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17659 if (appData.autoCallFlag) {
17660 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17667 if (blackTimeRemaining <= 0) {
17670 if (appData.icsActive) {
17671 if (appData.autoCallFlag &&
17672 gameMode == IcsPlayingWhite && !whiteFlag) {
17673 SendToICS(ics_prefix);
17674 SendToICS("flag\n");
17678 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17680 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17681 if (appData.autoCallFlag) {
17682 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17693 CheckTimeControl ()
17695 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17696 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17699 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17701 if ( !WhiteOnMove(forwardMostMove) ) {
17702 /* White made time control */
17703 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17704 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17705 /* [HGM] time odds: correct new time quota for time odds! */
17706 / WhitePlayer()->timeOdds;
17707 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17709 lastBlack -= blackTimeRemaining;
17710 /* Black made time control */
17711 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17712 / WhitePlayer()->other->timeOdds;
17713 lastWhite = whiteTimeRemaining;
17718 DisplayBothClocks ()
17720 int wom = gameMode == EditPosition ?
17721 !blackPlaysFirst : WhiteOnMove(currentMove);
17722 DisplayWhiteClock(whiteTimeRemaining, wom);
17723 DisplayBlackClock(blackTimeRemaining, !wom);
17727 /* Timekeeping seems to be a portability nightmare. I think everyone
17728 has ftime(), but I'm really not sure, so I'm including some ifdefs
17729 to use other calls if you don't. Clocks will be less accurate if
17730 you have neither ftime nor gettimeofday.
17733 /* VS 2008 requires the #include outside of the function */
17734 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17735 #include <sys/timeb.h>
17738 /* Get the current time as a TimeMark */
17740 GetTimeMark (TimeMark *tm)
17742 #if HAVE_GETTIMEOFDAY
17744 struct timeval timeVal;
17745 struct timezone timeZone;
17747 gettimeofday(&timeVal, &timeZone);
17748 tm->sec = (long) timeVal.tv_sec;
17749 tm->ms = (int) (timeVal.tv_usec / 1000L);
17751 #else /*!HAVE_GETTIMEOFDAY*/
17754 // include <sys/timeb.h> / moved to just above start of function
17755 struct timeb timeB;
17758 tm->sec = (long) timeB.time;
17759 tm->ms = (int) timeB.millitm;
17761 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17762 tm->sec = (long) time(NULL);
17768 /* Return the difference in milliseconds between two
17769 time marks. We assume the difference will fit in a long!
17772 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17774 return 1000L*(tm2->sec - tm1->sec) +
17775 (long) (tm2->ms - tm1->ms);
17780 * Code to manage the game clocks.
17782 * In tournament play, black starts the clock and then white makes a move.
17783 * We give the human user a slight advantage if he is playing white---the
17784 * clocks don't run until he makes his first move, so it takes zero time.
17785 * Also, we don't account for network lag, so we could get out of sync
17786 * with GNU Chess's clock -- but then, referees are always right.
17789 static TimeMark tickStartTM;
17790 static long intendedTickLength;
17793 NextTickLength (long timeRemaining)
17795 long nominalTickLength, nextTickLength;
17797 if (timeRemaining > 0L && timeRemaining <= 10000L)
17798 nominalTickLength = 100L;
17800 nominalTickLength = 1000L;
17801 nextTickLength = timeRemaining % nominalTickLength;
17802 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17804 return nextTickLength;
17807 /* Adjust clock one minute up or down */
17809 AdjustClock (Boolean which, int dir)
17811 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17812 if(which) blackTimeRemaining += 60000*dir;
17813 else whiteTimeRemaining += 60000*dir;
17814 DisplayBothClocks();
17815 adjustedClock = TRUE;
17818 /* Stop clocks and reset to a fresh time control */
17822 (void) StopClockTimer();
17823 if (appData.icsActive) {
17824 whiteTimeRemaining = blackTimeRemaining = 0;
17825 } else if (searchTime) {
17826 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17827 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17828 } else { /* [HGM] correct new time quote for time odds */
17829 whiteTC = blackTC = fullTimeControlString;
17830 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17831 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17833 if (whiteFlag || blackFlag) {
17835 whiteFlag = blackFlag = FALSE;
17837 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17838 DisplayBothClocks();
17839 adjustedClock = FALSE;
17842 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17844 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17846 /* Decrement running clock by amount of time that has passed */
17851 long lastTickLength, fudge;
17854 if (!appData.clockMode) return;
17855 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17859 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17861 /* Fudge if we woke up a little too soon */
17862 fudge = intendedTickLength - lastTickLength;
17863 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17865 if (WhiteOnMove(forwardMostMove)) {
17866 if(whiteNPS >= 0) lastTickLength = 0;
17867 tRemaining = whiteTimeRemaining -= lastTickLength;
17868 if( tRemaining < 0 && !appData.icsActive) {
17869 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17870 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17871 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17872 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17875 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17876 DisplayWhiteClock(whiteTimeRemaining - fudge,
17877 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17880 if(blackNPS >= 0) lastTickLength = 0;
17881 tRemaining = blackTimeRemaining -= lastTickLength;
17882 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17883 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17885 blackStartMove = forwardMostMove;
17886 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17889 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17890 DisplayBlackClock(blackTimeRemaining - fudge,
17891 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17894 if (CheckFlags()) return;
17896 if(twoBoards) { // count down secondary board's clocks as well
17897 activePartnerTime -= lastTickLength;
17899 if(activePartner == 'W')
17900 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17902 DisplayBlackClock(activePartnerTime, TRUE);
17907 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17908 StartClockTimer(intendedTickLength);
17910 /* if the time remaining has fallen below the alarm threshold, sound the
17911 * alarm. if the alarm has sounded and (due to a takeback or time control
17912 * with increment) the time remaining has increased to a level above the
17913 * threshold, reset the alarm so it can sound again.
17916 if (appData.icsActive && appData.icsAlarm) {
17918 /* make sure we are dealing with the user's clock */
17919 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17920 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17923 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17924 alarmSounded = FALSE;
17925 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17927 alarmSounded = TRUE;
17933 /* A player has just moved, so stop the previously running
17934 clock and (if in clock mode) start the other one.
17935 We redisplay both clocks in case we're in ICS mode, because
17936 ICS gives us an update to both clocks after every move.
17937 Note that this routine is called *after* forwardMostMove
17938 is updated, so the last fractional tick must be subtracted
17939 from the color that is *not* on move now.
17942 SwitchClocks (int newMoveNr)
17944 long lastTickLength;
17946 int flagged = FALSE;
17950 if (StopClockTimer() && appData.clockMode) {
17951 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17952 if (!WhiteOnMove(forwardMostMove)) {
17953 if(blackNPS >= 0) lastTickLength = 0;
17954 blackTimeRemaining -= lastTickLength;
17955 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17956 // if(pvInfoList[forwardMostMove].time == -1)
17957 pvInfoList[forwardMostMove].time = // use GUI time
17958 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17960 if(whiteNPS >= 0) lastTickLength = 0;
17961 whiteTimeRemaining -= lastTickLength;
17962 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17963 // if(pvInfoList[forwardMostMove].time == -1)
17964 pvInfoList[forwardMostMove].time =
17965 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17967 flagged = CheckFlags();
17969 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17970 CheckTimeControl();
17972 if (flagged || !appData.clockMode) return;
17974 switch (gameMode) {
17975 case MachinePlaysBlack:
17976 case MachinePlaysWhite:
17977 case BeginningOfGame:
17978 if (pausing) return;
17982 case PlayFromGameFile:
17990 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17991 if(WhiteOnMove(forwardMostMove))
17992 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17993 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17997 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17998 whiteTimeRemaining : blackTimeRemaining);
17999 StartClockTimer(intendedTickLength);
18003 /* Stop both clocks */
18007 long lastTickLength;
18010 if (!StopClockTimer()) return;
18011 if (!appData.clockMode) return;
18015 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18016 if (WhiteOnMove(forwardMostMove)) {
18017 if(whiteNPS >= 0) lastTickLength = 0;
18018 whiteTimeRemaining -= lastTickLength;
18019 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18021 if(blackNPS >= 0) lastTickLength = 0;
18022 blackTimeRemaining -= lastTickLength;
18023 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18028 /* Start clock of player on move. Time may have been reset, so
18029 if clock is already running, stop and restart it. */
18033 (void) StopClockTimer(); /* in case it was running already */
18034 DisplayBothClocks();
18035 if (CheckFlags()) return;
18037 if (!appData.clockMode) return;
18038 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18040 GetTimeMark(&tickStartTM);
18041 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18042 whiteTimeRemaining : blackTimeRemaining);
18044 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18045 whiteNPS = blackNPS = -1;
18046 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18047 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18048 whiteNPS = first.nps;
18049 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18050 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18051 blackNPS = first.nps;
18052 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18053 whiteNPS = second.nps;
18054 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18055 blackNPS = second.nps;
18056 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18058 StartClockTimer(intendedTickLength);
18062 TimeString (long ms)
18064 long second, minute, hour, day;
18066 static char buf[40], moveTime[8];
18068 if (ms > 0 && ms <= 9900) {
18069 /* convert milliseconds to tenths, rounding up */
18070 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18072 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18076 /* convert milliseconds to seconds, rounding up */
18077 /* use floating point to avoid strangeness of integer division
18078 with negative dividends on many machines */
18079 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18086 day = second / (60 * 60 * 24);
18087 second = second % (60 * 60 * 24);
18088 hour = second / (60 * 60);
18089 second = second % (60 * 60);
18090 minute = second / 60;
18091 second = second % 60;
18093 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18094 else *moveTime = NULLCHAR;
18097 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18098 sign, day, hour, minute, second, moveTime);
18100 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18102 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18109 * This is necessary because some C libraries aren't ANSI C compliant yet.
18112 StrStr (char *string, char *match)
18116 length = strlen(match);
18118 for (i = strlen(string) - length; i >= 0; i--, string++)
18119 if (!strncmp(match, string, length))
18126 StrCaseStr (char *string, char *match)
18130 length = strlen(match);
18132 for (i = strlen(string) - length; i >= 0; i--, string++) {
18133 for (j = 0; j < length; j++) {
18134 if (ToLower(match[j]) != ToLower(string[j]))
18137 if (j == length) return string;
18145 StrCaseCmp (char *s1, char *s2)
18150 c1 = ToLower(*s1++);
18151 c2 = ToLower(*s2++);
18152 if (c1 > c2) return 1;
18153 if (c1 < c2) return -1;
18154 if (c1 == NULLCHAR) return 0;
18162 return isupper(c) ? tolower(c) : c;
18169 return islower(c) ? toupper(c) : c;
18171 #endif /* !_amigados */
18178 if ((ret = (char *) malloc(strlen(s) + 1)))
18180 safeStrCpy(ret, s, strlen(s)+1);
18186 StrSavePtr (char *s, char **savePtr)
18191 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18192 safeStrCpy(*savePtr, s, strlen(s)+1);
18204 clock = time((time_t *)NULL);
18205 tm = localtime(&clock);
18206 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18207 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18208 return StrSave(buf);
18213 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18215 int i, j, fromX, fromY, toX, toY;
18216 int whiteToPlay, haveRights = nrCastlingRights;
18222 whiteToPlay = (gameMode == EditPosition) ?
18223 !blackPlaysFirst : (move % 2 == 0);
18226 /* Piece placement data */
18227 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18228 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18230 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18231 if (boards[move][i][j] == EmptySquare) {
18233 } else { ChessSquare piece = boards[move][i][j];
18234 if (emptycount > 0) {
18235 if(emptycount<10) /* [HGM] can be >= 10 */
18236 *p++ = '0' + emptycount;
18237 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18240 if(PieceToChar(piece) == '+') {
18241 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18243 piece = (ChessSquare)(CHUDEMOTED(piece));
18245 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18246 if(*p = PieceSuffix(piece)) p++;
18248 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18249 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18254 if (emptycount > 0) {
18255 if(emptycount<10) /* [HGM] can be >= 10 */
18256 *p++ = '0' + emptycount;
18257 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18264 /* [HGM] print Crazyhouse or Shogi holdings */
18265 if( gameInfo.holdingsWidth ) {
18266 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18268 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18269 piece = boards[move][i][BOARD_WIDTH-1];
18270 if( piece != EmptySquare )
18271 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18272 *p++ = PieceToChar(piece);
18274 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18275 piece = boards[move][BOARD_HEIGHT-i-1][0];
18276 if( piece != EmptySquare )
18277 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18278 *p++ = PieceToChar(piece);
18281 if( q == p ) *p++ = '-';
18287 *p++ = whiteToPlay ? 'w' : 'b';
18290 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18291 haveRights = 0; q = p;
18292 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18293 piece = boards[move][0][i];
18294 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18295 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18298 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18299 piece = boards[move][BOARD_HEIGHT-1][i];
18300 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18301 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18304 if(p == q) *p++ = '-';
18308 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18311 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18314 int handW=0, handB=0;
18315 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18316 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18317 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18320 if(appData.fischerCastling) {
18321 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18322 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18323 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18325 /* [HGM] write directly from rights */
18326 if(boards[move][CASTLING][2] != NoRights &&
18327 boards[move][CASTLING][0] != NoRights )
18328 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18329 if(boards[move][CASTLING][2] != NoRights &&
18330 boards[move][CASTLING][1] != NoRights )
18331 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18334 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18335 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18337 if(boards[move][CASTLING][5] != NoRights &&
18338 boards[move][CASTLING][3] != NoRights )
18339 *p++ = boards[move][CASTLING][3] + AAA;
18340 if(boards[move][CASTLING][5] != NoRights &&
18341 boards[move][CASTLING][4] != NoRights )
18342 *p++ = boards[move][CASTLING][4] + AAA;
18346 /* [HGM] write true castling rights */
18347 if( nrCastlingRights == 6 ) {
18349 if(boards[move][CASTLING][0] != NoRights &&
18350 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18351 q = (boards[move][CASTLING][1] != NoRights &&
18352 boards[move][CASTLING][2] != NoRights );
18353 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18354 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18355 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18356 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18360 if(boards[move][CASTLING][3] != NoRights &&
18361 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18362 q = (boards[move][CASTLING][4] != NoRights &&
18363 boards[move][CASTLING][5] != NoRights );
18365 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18366 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18367 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18372 if (q == p) *p++ = '-'; /* No castling rights */
18376 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18377 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18378 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18379 /* En passant target square */
18380 if (move > backwardMostMove) {
18381 fromX = moveList[move - 1][0] - AAA;
18382 fromY = moveList[move - 1][1] - ONE;
18383 toX = moveList[move - 1][2] - AAA;
18384 toY = moveList[move - 1][3] - ONE;
18385 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18386 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18387 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18389 /* 2-square pawn move just happened */
18391 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18395 } else if(move == backwardMostMove) {
18396 // [HGM] perhaps we should always do it like this, and forget the above?
18397 if((signed char)boards[move][EP_STATUS] >= 0) {
18398 *p++ = boards[move][EP_STATUS] + AAA;
18399 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18411 { int i = 0, j=move;
18413 /* [HGM] find reversible plies */
18414 if (appData.debugMode) { int k;
18415 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18416 for(k=backwardMostMove; k<=forwardMostMove; k++)
18417 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18421 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18422 if( j == backwardMostMove ) i += initialRulePlies;
18423 sprintf(p, "%d ", i);
18424 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18426 /* Fullmove number */
18427 sprintf(p, "%d", (move / 2) + 1);
18428 } else *--p = NULLCHAR;
18430 return StrSave(buf);
18434 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18436 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18438 int emptycount, virgin[BOARD_FILES];
18439 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18443 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18445 /* Piece placement data */
18446 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18449 if (*p == '/' || *p == ' ' || *p == '[' ) {
18451 emptycount = gameInfo.boardWidth - j;
18452 while (emptycount--)
18453 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18454 if (*p == '/') p++;
18455 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18456 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18457 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18459 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18462 #if(BOARD_FILES >= 10)*0
18463 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18464 p++; emptycount=10;
18465 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18466 while (emptycount--)
18467 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18469 } else if (*p == '*') {
18470 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18471 } else if (isdigit(*p)) {
18472 emptycount = *p++ - '0';
18473 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18474 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18475 while (emptycount--)
18476 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18477 } else if (*p == '<') {
18478 if(i == BOARD_HEIGHT-1) shuffle = 1;
18479 else if (i != 0 || !shuffle) return FALSE;
18481 } else if (shuffle && *p == '>') {
18482 p++; // for now ignore closing shuffle range, and assume rank-end
18483 } else if (*p == '?') {
18484 if (j >= gameInfo.boardWidth) return FALSE;
18485 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18486 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18487 } else if (*p == '+' || isalpha(*p)) {
18488 char *q, *s = SUFFIXES;
18489 if (j >= gameInfo.boardWidth) return FALSE;
18492 if(q = strchr(s, p[1])) p++;
18493 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18494 if(piece == EmptySquare) return FALSE; /* unknown piece */
18495 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18496 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18499 if(q = strchr(s, *p)) p++;
18500 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18503 if(piece==EmptySquare) return FALSE; /* unknown piece */
18504 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18505 piece = (ChessSquare) (PROMOTED(piece));
18506 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18509 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18510 if(piece == king) wKingRank = i;
18511 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18517 while (*p == '/' || *p == ' ') p++;
18519 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18521 /* [HGM] by default clear Crazyhouse holdings, if present */
18522 if(gameInfo.holdingsWidth) {
18523 for(i=0; i<BOARD_HEIGHT; i++) {
18524 board[i][0] = EmptySquare; /* black holdings */
18525 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18526 board[i][1] = (ChessSquare) 0; /* black counts */
18527 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18531 /* [HGM] look for Crazyhouse holdings here */
18532 while(*p==' ') p++;
18533 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18534 int swap=0, wcnt=0, bcnt=0;
18536 if(*p == '<') swap++, p++;
18537 if(*p == '-' ) p++; /* empty holdings */ else {
18538 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18539 /* if we would allow FEN reading to set board size, we would */
18540 /* have to add holdings and shift the board read so far here */
18541 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18543 if((int) piece >= (int) BlackPawn ) {
18544 i = (int)piece - (int)BlackPawn;
18545 i = PieceToNumber((ChessSquare)i);
18546 if( i >= gameInfo.holdingsSize ) return FALSE;
18547 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18548 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18551 i = (int)piece - (int)WhitePawn;
18552 i = PieceToNumber((ChessSquare)i);
18553 if( i >= gameInfo.holdingsSize ) return FALSE;
18554 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18555 board[i][BOARD_WIDTH-2]++; /* black holdings */
18559 if(subst) { // substitute back-rank question marks by holdings pieces
18560 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18561 int k, m, n = bcnt + 1;
18562 if(board[0][j] == ClearBoard) {
18563 if(!wcnt) return FALSE;
18565 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18566 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18567 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18571 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18572 if(!bcnt) return FALSE;
18573 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18574 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18575 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18576 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18587 if(subst) return FALSE; // substitution requested, but no holdings
18589 while(*p == ' ') p++;
18593 if(appData.colorNickNames) {
18594 if( c == appData.colorNickNames[0] ) c = 'w'; else
18595 if( c == appData.colorNickNames[1] ) c = 'b';
18599 *blackPlaysFirst = FALSE;
18602 *blackPlaysFirst = TRUE;
18608 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18609 /* return the extra info in global variiables */
18611 while(*p==' ') p++;
18613 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18614 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18615 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18618 /* set defaults in case FEN is incomplete */
18619 board[EP_STATUS] = EP_UNKNOWN;
18620 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18621 for(i=0; i<nrCastlingRights; i++ ) {
18622 board[CASTLING][i] =
18623 appData.fischerCastling ? NoRights : initialRights[i];
18624 } /* assume possible unless obviously impossible */
18625 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18626 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18627 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18628 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18629 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18630 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18631 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18632 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18635 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18638 while(isalpha(*p)) {
18639 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18640 if(islower(*p)) b |= 1 << (*p++ - 'a');
18644 board[TOUCHED_W] = ~w;
18645 board[TOUCHED_B] = ~b;
18646 while(*p == ' ') p++;
18650 if(nrCastlingRights) {
18652 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18653 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18654 /* castling indicator present, so default becomes no castlings */
18655 for(i=0; i<nrCastlingRights; i++ ) {
18656 board[CASTLING][i] = NoRights;
18659 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18660 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18661 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18662 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18663 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18665 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18666 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18667 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18669 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18670 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18671 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18672 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18673 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18674 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18677 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18678 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18679 board[CASTLING][2] = whiteKingFile;
18680 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18681 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18682 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18685 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18686 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18687 board[CASTLING][2] = whiteKingFile;
18688 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18689 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18690 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18693 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18694 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18695 board[CASTLING][5] = blackKingFile;
18696 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18697 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18698 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18701 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18702 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18703 board[CASTLING][5] = blackKingFile;
18704 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18705 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18706 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18709 default: /* FRC castlings */
18710 if(c >= 'a') { /* black rights */
18711 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18712 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18713 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18714 if(i == BOARD_RGHT) break;
18715 board[CASTLING][5] = i;
18717 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18718 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18720 board[CASTLING][3] = c;
18722 board[CASTLING][4] = c;
18723 } else { /* white rights */
18724 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18725 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18726 if(board[0][i] == WhiteKing) break;
18727 if(i == BOARD_RGHT) break;
18728 board[CASTLING][2] = i;
18729 c -= AAA - 'a' + 'A';
18730 if(board[0][c] >= WhiteKing) break;
18732 board[CASTLING][0] = c;
18734 board[CASTLING][1] = c;
18738 for(i=0; i<nrCastlingRights; i++)
18739 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18740 if(gameInfo.variant == VariantSChess)
18741 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18742 if(fischer && shuffle) appData.fischerCastling = TRUE;
18743 if (appData.debugMode) {
18744 fprintf(debugFP, "FEN castling rights:");
18745 for(i=0; i<nrCastlingRights; i++)
18746 fprintf(debugFP, " %d", board[CASTLING][i]);
18747 fprintf(debugFP, "\n");
18750 while(*p==' ') p++;
18753 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18755 /* read e.p. field in games that know e.p. capture */
18756 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18757 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18758 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18760 p++; board[EP_STATUS] = EP_NONE;
18762 char c = *p++ - AAA;
18764 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18765 if(*p >= '0' && *p <='9') p++;
18766 board[EP_STATUS] = c;
18771 if(sscanf(p, "%d", &i) == 1) {
18772 FENrulePlies = i; /* 50-move ply counter */
18773 /* (The move number is still ignored) */
18780 EditPositionPasteFEN (char *fen)
18783 Board initial_position;
18785 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18786 DisplayError(_("Bad FEN position in clipboard"), 0);
18789 int savedBlackPlaysFirst = blackPlaysFirst;
18790 EditPositionEvent();
18791 blackPlaysFirst = savedBlackPlaysFirst;
18792 CopyBoard(boards[0], initial_position);
18793 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18794 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18795 DisplayBothClocks();
18796 DrawPosition(FALSE, boards[currentMove]);
18801 static char cseq[12] = "\\ ";
18804 set_cont_sequence (char *new_seq)
18809 // handle bad attempts to set the sequence
18811 return 0; // acceptable error - no debug
18813 len = strlen(new_seq);
18814 ret = (len > 0) && (len < sizeof(cseq));
18816 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18817 else if (appData.debugMode)
18818 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18823 reformat a source message so words don't cross the width boundary. internal
18824 newlines are not removed. returns the wrapped size (no null character unless
18825 included in source message). If dest is NULL, only calculate the size required
18826 for the dest buffer. lp argument indicats line position upon entry, and it's
18827 passed back upon exit.
18830 wrap (char *dest, char *src, int count, int width, int *lp)
18832 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18834 cseq_len = strlen(cseq);
18835 old_line = line = *lp;
18836 ansi = len = clen = 0;
18838 for (i=0; i < count; i++)
18840 if (src[i] == '\033')
18843 // if we hit the width, back up
18844 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18846 // store i & len in case the word is too long
18847 old_i = i, old_len = len;
18849 // find the end of the last word
18850 while (i && src[i] != ' ' && src[i] != '\n')
18856 // word too long? restore i & len before splitting it
18857 if ((old_i-i+clen) >= width)
18864 if (i && src[i-1] == ' ')
18867 if (src[i] != ' ' && src[i] != '\n')
18874 // now append the newline and continuation sequence
18879 strncpy(dest+len, cseq, cseq_len);
18887 dest[len] = src[i];
18891 if (src[i] == '\n')
18896 if (dest && appData.debugMode)
18898 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18899 count, width, line, len, *lp);
18900 show_bytes(debugFP, src, count);
18901 fprintf(debugFP, "\ndest: ");
18902 show_bytes(debugFP, dest, len);
18903 fprintf(debugFP, "\n");
18905 *lp = dest ? line : old_line;
18910 // [HGM] vari: routines for shelving variations
18911 Boolean modeRestore = FALSE;
18914 PushInner (int firstMove, int lastMove)
18916 int i, j, nrMoves = lastMove - firstMove;
18918 // push current tail of game on stack
18919 savedResult[storedGames] = gameInfo.result;
18920 savedDetails[storedGames] = gameInfo.resultDetails;
18921 gameInfo.resultDetails = NULL;
18922 savedFirst[storedGames] = firstMove;
18923 savedLast [storedGames] = lastMove;
18924 savedFramePtr[storedGames] = framePtr;
18925 framePtr -= nrMoves; // reserve space for the boards
18926 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18927 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18928 for(j=0; j<MOVE_LEN; j++)
18929 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18930 for(j=0; j<2*MOVE_LEN; j++)
18931 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18932 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18933 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18934 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18935 pvInfoList[firstMove+i-1].depth = 0;
18936 commentList[framePtr+i] = commentList[firstMove+i];
18937 commentList[firstMove+i] = NULL;
18941 forwardMostMove = firstMove; // truncate game so we can start variation
18945 PushTail (int firstMove, int lastMove)
18947 if(appData.icsActive) { // only in local mode
18948 forwardMostMove = currentMove; // mimic old ICS behavior
18951 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18953 PushInner(firstMove, lastMove);
18954 if(storedGames == 1) GreyRevert(FALSE);
18955 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18959 PopInner (Boolean annotate)
18962 char buf[8000], moveBuf[20];
18964 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18965 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18966 nrMoves = savedLast[storedGames] - currentMove;
18969 if(!WhiteOnMove(currentMove))
18970 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18971 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18972 for(i=currentMove; i<forwardMostMove; i++) {
18974 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18975 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18976 strcat(buf, moveBuf);
18977 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18978 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18982 for(i=1; i<=nrMoves; i++) { // copy last variation back
18983 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18984 for(j=0; j<MOVE_LEN; j++)
18985 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18986 for(j=0; j<2*MOVE_LEN; j++)
18987 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18988 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18989 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18990 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18991 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18992 commentList[currentMove+i] = commentList[framePtr+i];
18993 commentList[framePtr+i] = NULL;
18995 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18996 framePtr = savedFramePtr[storedGames];
18997 gameInfo.result = savedResult[storedGames];
18998 if(gameInfo.resultDetails != NULL) {
18999 free(gameInfo.resultDetails);
19001 gameInfo.resultDetails = savedDetails[storedGames];
19002 forwardMostMove = currentMove + nrMoves;
19006 PopTail (Boolean annotate)
19008 if(appData.icsActive) return FALSE; // only in local mode
19009 if(!storedGames) return FALSE; // sanity
19010 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19012 PopInner(annotate);
19013 if(currentMove < forwardMostMove) ForwardEvent(); else
19014 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19016 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19022 { // remove all shelved variations
19024 for(i=0; i<storedGames; i++) {
19025 if(savedDetails[i])
19026 free(savedDetails[i]);
19027 savedDetails[i] = NULL;
19029 for(i=framePtr; i<MAX_MOVES; i++) {
19030 if(commentList[i]) free(commentList[i]);
19031 commentList[i] = NULL;
19033 framePtr = MAX_MOVES-1;
19038 LoadVariation (int index, char *text)
19039 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19040 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19041 int level = 0, move;
19043 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19044 // first find outermost bracketing variation
19045 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19046 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19047 if(*p == '{') wait = '}'; else
19048 if(*p == '[') wait = ']'; else
19049 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19050 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19052 if(*p == wait) wait = NULLCHAR; // closing ]} found
19055 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19056 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19057 end[1] = NULLCHAR; // clip off comment beyond variation
19058 ToNrEvent(currentMove-1);
19059 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19060 // kludge: use ParsePV() to append variation to game
19061 move = currentMove;
19062 ParsePV(start, TRUE, TRUE);
19063 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19064 ClearPremoveHighlights();
19066 ToNrEvent(currentMove+1);
19069 int transparency[2];
19074 #define BUF_SIZ (2*MSG_SIZ)
19075 char *p, *q, buf[BUF_SIZ];
19076 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19077 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19078 ParseArgsFromString(buf);
19079 ActivateTheme(TRUE); // also redo colors
19083 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19086 q = appData.themeNames;
19087 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19088 if(appData.useBitmaps) {
19089 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19090 Shorten(appData.liteBackTextureFile));
19091 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19092 Shorten(appData.darkBackTextureFile),
19093 appData.liteBackTextureMode,
19094 appData.darkBackTextureMode );
19096 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19098 if(!appData.useBitmaps || transparency[0]) {
19099 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19101 if(!appData.useBitmaps || transparency[1]) {
19102 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19104 if(appData.useBorder) {
19105 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19108 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19110 if(appData.useFont) {
19111 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19112 appData.renderPiecesWithFont,
19113 appData.fontToPieceTable,
19114 Col2Text(9), // appData.fontBackColorWhite
19115 Col2Text(10) ); // appData.fontForeColorBlack
19117 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19118 if(appData.pieceDirectory[0]) {
19119 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19120 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19121 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19123 if(!appData.pieceDirectory[0] || !appData.trueColors)
19124 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19125 Col2Text(0), // whitePieceColor
19126 Col2Text(1) ); // blackPieceColor
19128 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19129 Col2Text(4), // highlightSquareColor
19130 Col2Text(5) ); // premoveHighlightColor
19131 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19132 if(insert != q) insert[-1] = NULLCHAR;
19133 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19136 ActivateTheme(FALSE);