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 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1604 !strcmp(appData.variant, "normal") && // no explicit variant request
1605 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1606 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1607 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1608 char c, *q = first.variants, *p = strchr(q, ',');
1609 if(p) *p = NULLCHAR;
1610 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1612 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1613 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1614 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1615 Reset(TRUE, FALSE); // and re-initialize
1620 InitChessProgram(&first, startedFromSetupPosition);
1622 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1623 free(programVersion);
1624 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1625 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1626 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1629 if (appData.icsActive) {
1631 /* [DM] Make a console window if needed [HGM] merged ifs */
1637 if (*appData.icsCommPort != NULLCHAR)
1638 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1639 appData.icsCommPort);
1641 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1642 appData.icsHost, appData.icsPort);
1644 if( (len >= MSG_SIZ) && appData.debugMode )
1645 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1647 DisplayFatalError(buf, err, 1);
1652 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1654 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1655 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1656 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1657 } else if (appData.noChessProgram) {
1663 if (*appData.cmailGameName != NULLCHAR) {
1665 OpenLoopback(&cmailPR);
1667 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1671 DisplayMessage("", "");
1672 if (StrCaseCmp(appData.initialMode, "") == 0) {
1673 initialMode = BeginningOfGame;
1674 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1675 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1676 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1677 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1680 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1681 initialMode = TwoMachinesPlay;
1682 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1683 initialMode = AnalyzeFile;
1684 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1685 initialMode = AnalyzeMode;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1687 initialMode = MachinePlaysWhite;
1688 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1689 initialMode = MachinePlaysBlack;
1690 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1691 initialMode = EditGame;
1692 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1693 initialMode = EditPosition;
1694 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1695 initialMode = Training;
1697 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1698 if( (len >= MSG_SIZ) && appData.debugMode )
1699 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1701 DisplayFatalError(buf, 0, 2);
1705 if (appData.matchMode) {
1706 if(appData.tourneyFile[0]) { // start tourney from command line
1708 if(f = fopen(appData.tourneyFile, "r")) {
1709 ParseArgsFromFile(f); // make sure tourney parmeters re known
1711 appData.clockMode = TRUE;
1713 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1716 } else if (*appData.cmailGameName != NULLCHAR) {
1717 /* Set up cmail mode */
1718 ReloadCmailMsgEvent(TRUE);
1720 /* Set up other modes */
1721 if (initialMode == AnalyzeFile) {
1722 if (*appData.loadGameFile == NULLCHAR) {
1723 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1727 if (*appData.loadGameFile != NULLCHAR) {
1728 (void) LoadGameFromFile(appData.loadGameFile,
1729 appData.loadGameIndex,
1730 appData.loadGameFile, TRUE);
1731 } else if (*appData.loadPositionFile != NULLCHAR) {
1732 (void) LoadPositionFromFile(appData.loadPositionFile,
1733 appData.loadPositionIndex,
1734 appData.loadPositionFile);
1735 /* [HGM] try to make self-starting even after FEN load */
1736 /* to allow automatic setup of fairy variants with wtm */
1737 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1738 gameMode = BeginningOfGame;
1739 setboardSpoiledMachineBlack = 1;
1741 /* [HGM] loadPos: make that every new game uses the setup */
1742 /* from file as long as we do not switch variant */
1743 if(!blackPlaysFirst) {
1744 startedFromPositionFile = TRUE;
1745 CopyBoard(filePosition, boards[0]);
1746 CopyBoard(initialPosition, boards[0]);
1748 } else if(*appData.fen != NULLCHAR) {
1749 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1750 startedFromPositionFile = TRUE;
1754 if (initialMode == AnalyzeMode) {
1755 if (appData.noChessProgram) {
1756 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1759 if (appData.icsActive) {
1760 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1764 } else if (initialMode == AnalyzeFile) {
1765 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1766 ShowThinkingEvent();
1768 AnalysisPeriodicEvent(1);
1769 } else if (initialMode == MachinePlaysWhite) {
1770 if (appData.noChessProgram) {
1771 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1775 if (appData.icsActive) {
1776 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1780 MachineWhiteEvent();
1781 } else if (initialMode == MachinePlaysBlack) {
1782 if (appData.noChessProgram) {
1783 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1787 if (appData.icsActive) {
1788 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1792 MachineBlackEvent();
1793 } else if (initialMode == TwoMachinesPlay) {
1794 if (appData.noChessProgram) {
1795 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1799 if (appData.icsActive) {
1800 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1805 } else if (initialMode == EditGame) {
1807 } else if (initialMode == EditPosition) {
1808 EditPositionEvent();
1809 } else if (initialMode == Training) {
1810 if (*appData.loadGameFile == NULLCHAR) {
1811 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1820 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1822 DisplayBook(current+1);
1824 MoveHistorySet( movelist, first, last, current, pvInfoList );
1826 EvalGraphSet( first, last, current, pvInfoList );
1828 MakeEngineOutputTitle();
1832 * Establish will establish a contact to a remote host.port.
1833 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1834 * used to talk to the host.
1835 * Returns 0 if okay, error code if not.
1842 if (*appData.icsCommPort != NULLCHAR) {
1843 /* Talk to the host through a serial comm port */
1844 return OpenCommPort(appData.icsCommPort, &icsPR);
1846 } else if (*appData.gateway != NULLCHAR) {
1847 if (*appData.remoteShell == NULLCHAR) {
1848 /* Use the rcmd protocol to run telnet program on a gateway host */
1849 snprintf(buf, sizeof(buf), "%s %s %s",
1850 appData.telnetProgram, appData.icsHost, appData.icsPort);
1851 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1854 /* Use the rsh program to run telnet program on a gateway host */
1855 if (*appData.remoteUser == NULLCHAR) {
1856 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1857 appData.gateway, appData.telnetProgram,
1858 appData.icsHost, appData.icsPort);
1860 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1861 appData.remoteShell, appData.gateway,
1862 appData.remoteUser, appData.telnetProgram,
1863 appData.icsHost, appData.icsPort);
1865 return StartChildProcess(buf, "", &icsPR);
1868 } else if (appData.useTelnet) {
1869 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1872 /* TCP socket interface differs somewhat between
1873 Unix and NT; handle details in the front end.
1875 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1880 EscapeExpand (char *p, char *q)
1881 { // [HGM] initstring: routine to shape up string arguments
1882 while(*p++ = *q++) if(p[-1] == '\\')
1884 case 'n': p[-1] = '\n'; break;
1885 case 'r': p[-1] = '\r'; break;
1886 case 't': p[-1] = '\t'; break;
1887 case '\\': p[-1] = '\\'; break;
1888 case 0: *p = 0; return;
1889 default: p[-1] = q[-1]; break;
1894 show_bytes (FILE *fp, char *buf, int count)
1897 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1898 fprintf(fp, "\\%03o", *buf & 0xff);
1907 /* Returns an errno value */
1909 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1911 char buf[8192], *p, *q, *buflim;
1912 int left, newcount, outcount;
1914 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1915 *appData.gateway != NULLCHAR) {
1916 if (appData.debugMode) {
1917 fprintf(debugFP, ">ICS: ");
1918 show_bytes(debugFP, message, count);
1919 fprintf(debugFP, "\n");
1921 return OutputToProcess(pr, message, count, outError);
1924 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1931 if (appData.debugMode) {
1932 fprintf(debugFP, ">ICS: ");
1933 show_bytes(debugFP, buf, newcount);
1934 fprintf(debugFP, "\n");
1936 outcount = OutputToProcess(pr, buf, newcount, outError);
1937 if (outcount < newcount) return -1; /* to be sure */
1944 } else if (((unsigned char) *p) == TN_IAC) {
1945 *q++ = (char) TN_IAC;
1952 if (appData.debugMode) {
1953 fprintf(debugFP, ">ICS: ");
1954 show_bytes(debugFP, buf, newcount);
1955 fprintf(debugFP, "\n");
1957 outcount = OutputToProcess(pr, buf, newcount, outError);
1958 if (outcount < newcount) return -1; /* to be sure */
1963 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1965 int outError, outCount;
1966 static int gotEof = 0;
1969 /* Pass data read from player on to ICS */
1972 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1973 if (outCount < count) {
1974 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1976 if(have_sent_ICS_logon == 2) {
1977 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1978 fprintf(ini, "%s", message);
1979 have_sent_ICS_logon = 3;
1981 have_sent_ICS_logon = 1;
1982 } else if(have_sent_ICS_logon == 3) {
1983 fprintf(ini, "%s", message);
1985 have_sent_ICS_logon = 1;
1987 } else if (count < 0) {
1988 RemoveInputSource(isr);
1989 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1990 } else if (gotEof++ > 0) {
1991 RemoveInputSource(isr);
1992 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1998 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1999 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2000 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2001 SendToICS("date\n");
2002 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2005 /* added routine for printf style output to ics */
2007 ics_printf (char *format, ...)
2009 char buffer[MSG_SIZ];
2012 va_start(args, format);
2013 vsnprintf(buffer, sizeof(buffer), format, args);
2014 buffer[sizeof(buffer)-1] = '\0';
2022 int count, outCount, outError;
2024 if (icsPR == NoProc) return;
2027 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2028 if (outCount < count) {
2029 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2033 /* This is used for sending logon scripts to the ICS. Sending
2034 without a delay causes problems when using timestamp on ICC
2035 (at least on my machine). */
2037 SendToICSDelayed (char *s, long msdelay)
2039 int count, outCount, outError;
2041 if (icsPR == NoProc) return;
2044 if (appData.debugMode) {
2045 fprintf(debugFP, ">ICS: ");
2046 show_bytes(debugFP, s, count);
2047 fprintf(debugFP, "\n");
2049 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2051 if (outCount < count) {
2052 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2057 /* Remove all highlighting escape sequences in s
2058 Also deletes any suffix starting with '('
2061 StripHighlightAndTitle (char *s)
2063 static char retbuf[MSG_SIZ];
2066 while (*s != NULLCHAR) {
2067 while (*s == '\033') {
2068 while (*s != NULLCHAR && !isalpha(*s)) s++;
2069 if (*s != NULLCHAR) s++;
2071 while (*s != NULLCHAR && *s != '\033') {
2072 if (*s == '(' || *s == '[') {
2083 /* Remove all highlighting escape sequences in s */
2085 StripHighlight (char *s)
2087 static char retbuf[MSG_SIZ];
2090 while (*s != NULLCHAR) {
2091 while (*s == '\033') {
2092 while (*s != NULLCHAR && !isalpha(*s)) s++;
2093 if (*s != NULLCHAR) s++;
2095 while (*s != NULLCHAR && *s != '\033') {
2103 char engineVariant[MSG_SIZ];
2104 char *variantNames[] = VARIANT_NAMES;
2106 VariantName (VariantClass v)
2108 if(v == VariantUnknown || *engineVariant) return engineVariant;
2109 return variantNames[v];
2113 /* Identify a variant from the strings the chess servers use or the
2114 PGN Variant tag names we use. */
2116 StringToVariant (char *e)
2120 VariantClass v = VariantNormal;
2121 int i, found = FALSE;
2122 char buf[MSG_SIZ], c;
2127 /* [HGM] skip over optional board-size prefixes */
2128 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2129 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2130 while( *e++ != '_');
2133 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2137 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2138 if (p = StrCaseStr(e, variantNames[i])) {
2139 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2140 v = (VariantClass) i;
2147 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2148 || StrCaseStr(e, "wild/fr")
2149 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2150 v = VariantFischeRandom;
2151 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2152 (i = 1, p = StrCaseStr(e, "w"))) {
2154 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2161 case 0: /* FICS only, actually */
2163 /* Castling legal even if K starts on d-file */
2164 v = VariantWildCastle;
2169 /* Castling illegal even if K & R happen to start in
2170 normal positions. */
2171 v = VariantNoCastle;
2184 /* Castling legal iff K & R start in normal positions */
2190 /* Special wilds for position setup; unclear what to do here */
2191 v = VariantLoadable;
2194 /* Bizarre ICC game */
2195 v = VariantTwoKings;
2198 v = VariantKriegspiel;
2204 v = VariantFischeRandom;
2207 v = VariantCrazyhouse;
2210 v = VariantBughouse;
2216 /* Not quite the same as FICS suicide! */
2217 v = VariantGiveaway;
2223 v = VariantShatranj;
2226 /* Temporary names for future ICC types. The name *will* change in
2227 the next xboard/WinBoard release after ICC defines it. */
2265 v = VariantCapablanca;
2268 v = VariantKnightmate;
2274 v = VariantCylinder;
2280 v = VariantCapaRandom;
2283 v = VariantBerolina;
2295 /* Found "wild" or "w" in the string but no number;
2296 must assume it's normal chess. */
2300 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2301 if( (len >= MSG_SIZ) && appData.debugMode )
2302 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2304 DisplayError(buf, 0);
2310 if (appData.debugMode) {
2311 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2312 e, wnum, VariantName(v));
2317 static int leftover_start = 0, leftover_len = 0;
2318 char star_match[STAR_MATCH_N][MSG_SIZ];
2320 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2321 advance *index beyond it, and set leftover_start to the new value of
2322 *index; else return FALSE. If pattern contains the character '*', it
2323 matches any sequence of characters not containing '\r', '\n', or the
2324 character following the '*' (if any), and the matched sequence(s) are
2325 copied into star_match.
2328 looking_at ( char *buf, int *index, char *pattern)
2330 char *bufp = &buf[*index], *patternp = pattern;
2332 char *matchp = star_match[0];
2335 if (*patternp == NULLCHAR) {
2336 *index = leftover_start = bufp - buf;
2340 if (*bufp == NULLCHAR) return FALSE;
2341 if (*patternp == '*') {
2342 if (*bufp == *(patternp + 1)) {
2344 matchp = star_match[++star_count];
2348 } else if (*bufp == '\n' || *bufp == '\r') {
2350 if (*patternp == NULLCHAR)
2355 *matchp++ = *bufp++;
2359 if (*patternp != *bufp) return FALSE;
2366 SendToPlayer (char *data, int length)
2368 int error, outCount;
2369 outCount = OutputToProcess(NoProc, data, length, &error);
2370 if (outCount < length) {
2371 DisplayFatalError(_("Error writing to display"), error, 1);
2376 PackHolding (char packed[], char *holding)
2386 switch (runlength) {
2397 sprintf(q, "%d", runlength);
2409 /* Telnet protocol requests from the front end */
2411 TelnetRequest (unsigned char ddww, unsigned char option)
2413 unsigned char msg[3];
2414 int outCount, outError;
2416 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2418 if (appData.debugMode) {
2419 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2435 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2444 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2447 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2452 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2454 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DO, TN_ECHO);
2468 if (!appData.icsActive) return;
2469 TelnetRequest(TN_DONT, TN_ECHO);
2473 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2475 /* put the holdings sent to us by the server on the board holdings area */
2476 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2480 if(gameInfo.holdingsWidth < 2) return;
2481 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2482 return; // prevent overwriting by pre-board holdings
2484 if( (int)lowestPiece >= BlackPawn ) {
2487 holdingsStartRow = BOARD_HEIGHT-1;
2490 holdingsColumn = BOARD_WIDTH-1;
2491 countsColumn = BOARD_WIDTH-2;
2492 holdingsStartRow = 0;
2496 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2497 board[i][holdingsColumn] = EmptySquare;
2498 board[i][countsColumn] = (ChessSquare) 0;
2500 while( (p=*holdings++) != NULLCHAR ) {
2501 piece = CharToPiece( ToUpper(p) );
2502 if(piece == EmptySquare) continue;
2503 /*j = (int) piece - (int) WhitePawn;*/
2504 j = PieceToNumber(piece);
2505 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2506 if(j < 0) continue; /* should not happen */
2507 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2508 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2509 board[holdingsStartRow+j*direction][countsColumn]++;
2515 VariantSwitch (Board board, VariantClass newVariant)
2517 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2518 static Board oldBoard;
2520 startedFromPositionFile = FALSE;
2521 if(gameInfo.variant == newVariant) return;
2523 /* [HGM] This routine is called each time an assignment is made to
2524 * gameInfo.variant during a game, to make sure the board sizes
2525 * are set to match the new variant. If that means adding or deleting
2526 * holdings, we shift the playing board accordingly
2527 * This kludge is needed because in ICS observe mode, we get boards
2528 * of an ongoing game without knowing the variant, and learn about the
2529 * latter only later. This can be because of the move list we requested,
2530 * in which case the game history is refilled from the beginning anyway,
2531 * but also when receiving holdings of a crazyhouse game. In the latter
2532 * case we want to add those holdings to the already received position.
2536 if (appData.debugMode) {
2537 fprintf(debugFP, "Switch board from %s to %s\n",
2538 VariantName(gameInfo.variant), VariantName(newVariant));
2539 setbuf(debugFP, NULL);
2541 shuffleOpenings = 0; /* [HGM] shuffle */
2542 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2546 newWidth = 9; newHeight = 9;
2547 gameInfo.holdingsSize = 7;
2548 case VariantBughouse:
2549 case VariantCrazyhouse:
2550 newHoldingsWidth = 2; break;
2554 newHoldingsWidth = 2;
2555 gameInfo.holdingsSize = 8;
2558 case VariantCapablanca:
2559 case VariantCapaRandom:
2562 newHoldingsWidth = gameInfo.holdingsSize = 0;
2565 if(newWidth != gameInfo.boardWidth ||
2566 newHeight != gameInfo.boardHeight ||
2567 newHoldingsWidth != gameInfo.holdingsWidth ) {
2569 /* shift position to new playing area, if needed */
2570 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2571 for(i=0; i<BOARD_HEIGHT; i++)
2572 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2573 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2575 for(i=0; i<newHeight; i++) {
2576 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2577 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2579 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2580 for(i=0; i<BOARD_HEIGHT; i++)
2581 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2582 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2585 board[HOLDINGS_SET] = 0;
2586 gameInfo.boardWidth = newWidth;
2587 gameInfo.boardHeight = newHeight;
2588 gameInfo.holdingsWidth = newHoldingsWidth;
2589 gameInfo.variant = newVariant;
2590 InitDrawingSizes(-2, 0);
2591 } else gameInfo.variant = newVariant;
2592 CopyBoard(oldBoard, board); // remember correctly formatted board
2593 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2594 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2597 static int loggedOn = FALSE;
2599 /*-- Game start info cache: --*/
2601 char gs_kind[MSG_SIZ];
2602 static char player1Name[128] = "";
2603 static char player2Name[128] = "";
2604 static char cont_seq[] = "\n\\ ";
2605 static int player1Rating = -1;
2606 static int player2Rating = -1;
2607 /*----------------------------*/
2609 ColorClass curColor = ColorNormal;
2610 int suppressKibitz = 0;
2613 Boolean soughtPending = FALSE;
2614 Boolean seekGraphUp;
2615 #define MAX_SEEK_ADS 200
2617 char *seekAdList[MAX_SEEK_ADS];
2618 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2619 float tcList[MAX_SEEK_ADS];
2620 char colorList[MAX_SEEK_ADS];
2621 int nrOfSeekAds = 0;
2622 int minRating = 1010, maxRating = 2800;
2623 int hMargin = 10, vMargin = 20, h, w;
2624 extern int squareSize, lineGap;
2629 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2630 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2631 if(r < minRating+100 && r >=0 ) r = minRating+100;
2632 if(r > maxRating) r = maxRating;
2633 if(tc < 1.f) tc = 1.f;
2634 if(tc > 95.f) tc = 95.f;
2635 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2636 y = ((double)r - minRating)/(maxRating - minRating)
2637 * (h-vMargin-squareSize/8-1) + vMargin;
2638 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2639 if(strstr(seekAdList[i], " u ")) color = 1;
2640 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2641 !strstr(seekAdList[i], "bullet") &&
2642 !strstr(seekAdList[i], "blitz") &&
2643 !strstr(seekAdList[i], "standard") ) color = 2;
2644 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2645 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2649 PlotSingleSeekAd (int i)
2655 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2657 char buf[MSG_SIZ], *ext = "";
2658 VariantClass v = StringToVariant(type);
2659 if(strstr(type, "wild")) {
2660 ext = type + 4; // append wild number
2661 if(v == VariantFischeRandom) type = "chess960"; else
2662 if(v == VariantLoadable) type = "setup"; else
2663 type = VariantName(v);
2665 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2666 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2667 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2668 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2669 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2670 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2671 seekNrList[nrOfSeekAds] = nr;
2672 zList[nrOfSeekAds] = 0;
2673 seekAdList[nrOfSeekAds++] = StrSave(buf);
2674 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2679 EraseSeekDot (int i)
2681 int x = xList[i], y = yList[i], d=squareSize/4, k;
2682 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2683 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2684 // now replot every dot that overlapped
2685 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2686 int xx = xList[k], yy = yList[k];
2687 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2688 DrawSeekDot(xx, yy, colorList[k]);
2693 RemoveSeekAd (int nr)
2696 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2698 if(seekAdList[i]) free(seekAdList[i]);
2699 seekAdList[i] = seekAdList[--nrOfSeekAds];
2700 seekNrList[i] = seekNrList[nrOfSeekAds];
2701 ratingList[i] = ratingList[nrOfSeekAds];
2702 colorList[i] = colorList[nrOfSeekAds];
2703 tcList[i] = tcList[nrOfSeekAds];
2704 xList[i] = xList[nrOfSeekAds];
2705 yList[i] = yList[nrOfSeekAds];
2706 zList[i] = zList[nrOfSeekAds];
2707 seekAdList[nrOfSeekAds] = NULL;
2713 MatchSoughtLine (char *line)
2715 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2716 int nr, base, inc, u=0; char dummy;
2718 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2719 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2721 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2722 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2723 // match: compact and save the line
2724 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2734 if(!seekGraphUp) return FALSE;
2735 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2736 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2738 DrawSeekBackground(0, 0, w, h);
2739 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2740 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2741 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2742 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2744 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2747 snprintf(buf, MSG_SIZ, "%d", i);
2748 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2751 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2752 for(i=1; i<100; i+=(i<10?1:5)) {
2753 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2754 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2755 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2757 snprintf(buf, MSG_SIZ, "%d", i);
2758 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2761 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2766 SeekGraphClick (ClickType click, int x, int y, int moving)
2768 static int lastDown = 0, displayed = 0, lastSecond;
2769 if(y < 0) return FALSE;
2770 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2771 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2772 if(!seekGraphUp) return FALSE;
2773 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2774 DrawPosition(TRUE, NULL);
2777 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2778 if(click == Release || moving) return FALSE;
2780 soughtPending = TRUE;
2781 SendToICS(ics_prefix);
2782 SendToICS("sought\n"); // should this be "sought all"?
2783 } else { // issue challenge based on clicked ad
2784 int dist = 10000; int i, closest = 0, second = 0;
2785 for(i=0; i<nrOfSeekAds; i++) {
2786 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2787 if(d < dist) { dist = d; closest = i; }
2788 second += (d - zList[i] < 120); // count in-range ads
2789 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2793 second = (second > 1);
2794 if(displayed != closest || second != lastSecond) {
2795 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2796 lastSecond = second; displayed = closest;
2798 if(click == Press) {
2799 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2802 } // on press 'hit', only show info
2803 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2804 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2805 SendToICS(ics_prefix);
2807 return TRUE; // let incoming board of started game pop down the graph
2808 } else if(click == Release) { // release 'miss' is ignored
2809 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2810 if(moving == 2) { // right up-click
2811 nrOfSeekAds = 0; // refresh graph
2812 soughtPending = TRUE;
2813 SendToICS(ics_prefix);
2814 SendToICS("sought\n"); // should this be "sought all"?
2817 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2818 // press miss or release hit 'pop down' seek graph
2819 seekGraphUp = FALSE;
2820 DrawPosition(TRUE, NULL);
2826 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2828 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2829 #define STARTED_NONE 0
2830 #define STARTED_MOVES 1
2831 #define STARTED_BOARD 2
2832 #define STARTED_OBSERVE 3
2833 #define STARTED_HOLDINGS 4
2834 #define STARTED_CHATTER 5
2835 #define STARTED_COMMENT 6
2836 #define STARTED_MOVES_NOHIDE 7
2838 static int started = STARTED_NONE;
2839 static char parse[20000];
2840 static int parse_pos = 0;
2841 static char buf[BUF_SIZE + 1];
2842 static int firstTime = TRUE, intfSet = FALSE;
2843 static ColorClass prevColor = ColorNormal;
2844 static int savingComment = FALSE;
2845 static int cmatch = 0; // continuation sequence match
2852 int backup; /* [DM] For zippy color lines */
2854 char talker[MSG_SIZ]; // [HGM] chat
2855 int channel, collective=0;
2857 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2859 if (appData.debugMode) {
2861 fprintf(debugFP, "<ICS: ");
2862 show_bytes(debugFP, data, count);
2863 fprintf(debugFP, "\n");
2867 if (appData.debugMode) { int f = forwardMostMove;
2868 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2869 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2870 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2873 /* If last read ended with a partial line that we couldn't parse,
2874 prepend it to the new read and try again. */
2875 if (leftover_len > 0) {
2876 for (i=0; i<leftover_len; i++)
2877 buf[i] = buf[leftover_start + i];
2880 /* copy new characters into the buffer */
2881 bp = buf + leftover_len;
2882 buf_len=leftover_len;
2883 for (i=0; i<count; i++)
2886 if (data[i] == '\r')
2889 // join lines split by ICS?
2890 if (!appData.noJoin)
2893 Joining just consists of finding matches against the
2894 continuation sequence, and discarding that sequence
2895 if found instead of copying it. So, until a match
2896 fails, there's nothing to do since it might be the
2897 complete sequence, and thus, something we don't want
2900 if (data[i] == cont_seq[cmatch])
2903 if (cmatch == strlen(cont_seq))
2905 cmatch = 0; // complete match. just reset the counter
2908 it's possible for the ICS to not include the space
2909 at the end of the last word, making our [correct]
2910 join operation fuse two separate words. the server
2911 does this when the space occurs at the width setting.
2913 if (!buf_len || buf[buf_len-1] != ' ')
2924 match failed, so we have to copy what matched before
2925 falling through and copying this character. In reality,
2926 this will only ever be just the newline character, but
2927 it doesn't hurt to be precise.
2929 strncpy(bp, cont_seq, cmatch);
2941 buf[buf_len] = NULLCHAR;
2942 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2947 while (i < buf_len) {
2948 /* Deal with part of the TELNET option negotiation
2949 protocol. We refuse to do anything beyond the
2950 defaults, except that we allow the WILL ECHO option,
2951 which ICS uses to turn off password echoing when we are
2952 directly connected to it. We reject this option
2953 if localLineEditing mode is on (always on in xboard)
2954 and we are talking to port 23, which might be a real
2955 telnet server that will try to keep WILL ECHO on permanently.
2957 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2958 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2959 unsigned char option;
2961 switch ((unsigned char) buf[++i]) {
2963 if (appData.debugMode)
2964 fprintf(debugFP, "\n<WILL ");
2965 switch (option = (unsigned char) buf[++i]) {
2967 if (appData.debugMode)
2968 fprintf(debugFP, "ECHO ");
2969 /* Reply only if this is a change, according
2970 to the protocol rules. */
2971 if (remoteEchoOption) break;
2972 if (appData.localLineEditing &&
2973 atoi(appData.icsPort) == TN_PORT) {
2974 TelnetRequest(TN_DONT, TN_ECHO);
2977 TelnetRequest(TN_DO, TN_ECHO);
2978 remoteEchoOption = TRUE;
2982 if (appData.debugMode)
2983 fprintf(debugFP, "%d ", option);
2984 /* Whatever this is, we don't want it. */
2985 TelnetRequest(TN_DONT, option);
2990 if (appData.debugMode)
2991 fprintf(debugFP, "\n<WONT ");
2992 switch (option = (unsigned char) buf[++i]) {
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ECHO ");
2996 /* Reply only if this is a change, according
2997 to the protocol rules. */
2998 if (!remoteEchoOption) break;
3000 TelnetRequest(TN_DONT, TN_ECHO);
3001 remoteEchoOption = FALSE;
3004 if (appData.debugMode)
3005 fprintf(debugFP, "%d ", (unsigned char) option);
3006 /* Whatever this is, it must already be turned
3007 off, because we never agree to turn on
3008 anything non-default, so according to the
3009 protocol rules, we don't reply. */
3014 if (appData.debugMode)
3015 fprintf(debugFP, "\n<DO ");
3016 switch (option = (unsigned char) buf[++i]) {
3018 /* Whatever this is, we refuse to do it. */
3019 if (appData.debugMode)
3020 fprintf(debugFP, "%d ", option);
3021 TelnetRequest(TN_WONT, option);
3026 if (appData.debugMode)
3027 fprintf(debugFP, "\n<DONT ");
3028 switch (option = (unsigned char) buf[++i]) {
3030 if (appData.debugMode)
3031 fprintf(debugFP, "%d ", option);
3032 /* Whatever this is, we are already not doing
3033 it, because we never agree to do anything
3034 non-default, so according to the protocol
3035 rules, we don't reply. */
3040 if (appData.debugMode)
3041 fprintf(debugFP, "\n<IAC ");
3042 /* Doubled IAC; pass it through */
3046 if (appData.debugMode)
3047 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3048 /* Drop all other telnet commands on the floor */
3051 if (oldi > next_out)
3052 SendToPlayer(&buf[next_out], oldi - next_out);
3058 /* OK, this at least will *usually* work */
3059 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3063 if (loggedOn && !intfSet) {
3064 if (ics_type == ICS_ICC) {
3065 snprintf(str, MSG_SIZ,
3066 "/set-quietly interface %s\n/set-quietly style 12\n",
3068 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3069 strcat(str, "/set-2 51 1\n/set seek 1\n");
3070 } else if (ics_type == ICS_CHESSNET) {
3071 snprintf(str, MSG_SIZ, "/style 12\n");
3073 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3074 strcat(str, programVersion);
3075 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3076 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3077 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3079 strcat(str, "$iset nohighlight 1\n");
3081 strcat(str, "$iset lock 1\n$style 12\n");
3084 NotifyFrontendLogin();
3088 if (started == STARTED_COMMENT) {
3089 /* Accumulate characters in comment */
3090 parse[parse_pos++] = buf[i];
3091 if (buf[i] == '\n') {
3092 parse[parse_pos] = NULLCHAR;
3093 if(chattingPartner>=0) {
3095 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3096 OutputChatMessage(chattingPartner, mess);
3097 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3099 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3100 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3101 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3102 OutputChatMessage(p, mess);
3106 chattingPartner = -1;
3107 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3110 if(!suppressKibitz) // [HGM] kibitz
3111 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3112 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3113 int nrDigit = 0, nrAlph = 0, j;
3114 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3115 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3116 parse[parse_pos] = NULLCHAR;
3117 // try to be smart: if it does not look like search info, it should go to
3118 // ICS interaction window after all, not to engine-output window.
3119 for(j=0; j<parse_pos; j++) { // count letters and digits
3120 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3121 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3122 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3124 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3125 int depth=0; float score;
3126 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3127 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3128 pvInfoList[forwardMostMove-1].depth = depth;
3129 pvInfoList[forwardMostMove-1].score = 100*score;
3131 OutputKibitz(suppressKibitz, parse);
3134 if(gameMode == IcsObserving) // restore original ICS messages
3135 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3136 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3138 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3139 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3140 SendToPlayer(tmp, strlen(tmp));
3142 next_out = i+1; // [HGM] suppress printing in ICS window
3144 started = STARTED_NONE;
3146 /* Don't match patterns against characters in comment */
3151 if (started == STARTED_CHATTER) {
3152 if (buf[i] != '\n') {
3153 /* Don't match patterns against characters in chatter */
3157 started = STARTED_NONE;
3158 if(suppressKibitz) next_out = i+1;
3161 /* Kludge to deal with rcmd protocol */
3162 if (firstTime && looking_at(buf, &i, "\001*")) {
3163 DisplayFatalError(&buf[1], 0, 1);
3169 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3177 ics_type = ICS_FICS;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3183 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3184 ics_type = ICS_CHESSNET;
3186 if (appData.debugMode)
3187 fprintf(debugFP, "ics_type %d\n", ics_type);
3192 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3193 looking_at(buf, &i, "Logging you in as \"*\"") ||
3194 looking_at(buf, &i, "will be \"*\""))) {
3195 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3199 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3201 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3202 DisplayIcsInteractionTitle(buf);
3203 have_set_title = TRUE;
3206 /* skip finger notes */
3207 if (started == STARTED_NONE &&
3208 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3209 (buf[i] == '1' && buf[i+1] == '0')) &&
3210 buf[i+2] == ':' && buf[i+3] == ' ') {
3211 started = STARTED_CHATTER;
3217 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3218 if(appData.seekGraph) {
3219 if(soughtPending && MatchSoughtLine(buf+i)) {
3220 i = strstr(buf+i, "rated") - buf;
3221 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3222 next_out = leftover_start = i;
3223 started = STARTED_CHATTER;
3224 suppressKibitz = TRUE;
3227 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3228 && looking_at(buf, &i, "* ads displayed")) {
3229 soughtPending = FALSE;
3234 if(appData.autoRefresh) {
3235 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3236 int s = (ics_type == ICS_ICC); // ICC format differs
3238 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3239 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3240 looking_at(buf, &i, "*% "); // eat prompt
3241 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3242 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3243 next_out = i; // suppress
3246 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3247 char *p = star_match[0];
3249 if(seekGraphUp) RemoveSeekAd(atoi(p));
3250 while(*p && *p++ != ' '); // next
3252 looking_at(buf, &i, "*% "); // eat prompt
3253 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3260 /* skip formula vars */
3261 if (started == STARTED_NONE &&
3262 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3263 started = STARTED_CHATTER;
3268 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3269 if (appData.autoKibitz && started == STARTED_NONE &&
3270 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3271 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3272 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3273 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3274 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3275 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3276 suppressKibitz = TRUE;
3277 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3279 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3280 && (gameMode == IcsPlayingWhite)) ||
3281 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3282 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3283 started = STARTED_CHATTER; // own kibitz we simply discard
3285 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3286 parse_pos = 0; parse[0] = NULLCHAR;
3287 savingComment = TRUE;
3288 suppressKibitz = gameMode != IcsObserving ? 2 :
3289 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3293 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3294 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3295 && atoi(star_match[0])) {
3296 // suppress the acknowledgements of our own autoKibitz
3298 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3299 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3300 SendToPlayer(star_match[0], strlen(star_match[0]));
3301 if(looking_at(buf, &i, "*% ")) // eat prompt
3302 suppressKibitz = FALSE;
3306 } // [HGM] kibitz: end of patch
3308 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3310 // [HGM] chat: intercept tells by users for which we have an open chat window
3312 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3313 looking_at(buf, &i, "* whispers:") ||
3314 looking_at(buf, &i, "* kibitzes:") ||
3315 looking_at(buf, &i, "* shouts:") ||
3316 looking_at(buf, &i, "* c-shouts:") ||
3317 looking_at(buf, &i, "--> * ") ||
3318 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3319 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3323 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3324 chattingPartner = -1; collective = 0;
3326 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3327 for(p=0; p<MAX_CHAT; p++) {
3329 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3330 talker[0] = '['; strcat(talker, "] ");
3331 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3332 chattingPartner = p; break;
3335 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3336 for(p=0; p<MAX_CHAT; p++) {
3338 if(!strcmp("kibitzes", chatPartner[p])) {
3339 talker[0] = '['; strcat(talker, "] ");
3340 chattingPartner = p; break;
3343 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3344 for(p=0; p<MAX_CHAT; p++) {
3346 if(!strcmp("whispers", chatPartner[p])) {
3347 talker[0] = '['; strcat(talker, "] ");
3348 chattingPartner = p; break;
3351 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3352 if(buf[i-8] == '-' && buf[i-3] == 't')
3353 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3355 if(!strcmp("c-shouts", chatPartner[p])) {
3356 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3357 chattingPartner = p; break;
3360 if(chattingPartner < 0)
3361 for(p=0; p<MAX_CHAT; p++) {
3363 if(!strcmp("shouts", chatPartner[p])) {
3364 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3365 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3366 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3367 chattingPartner = p; break;
3371 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3372 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3374 Colorize(ColorTell, FALSE);
3375 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3377 chattingPartner = p; break;
3379 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3380 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3381 started = STARTED_COMMENT;
3382 parse_pos = 0; parse[0] = NULLCHAR;
3383 savingComment = 3 + chattingPartner; // counts as TRUE
3384 if(collective == 3) i = oldi; else {
3385 suppressKibitz = TRUE;
3386 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3387 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3391 } // [HGM] chat: end of patch
3394 if (appData.zippyTalk || appData.zippyPlay) {
3395 /* [DM] Backup address for color zippy lines */
3397 if (loggedOn == TRUE)
3398 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3399 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3402 } // [DM] 'else { ' deleted
3404 /* Regular tells and says */
3405 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3406 looking_at(buf, &i, "* (your partner) tells you: ") ||
3407 looking_at(buf, &i, "* says: ") ||
3408 /* Don't color "message" or "messages" output */
3409 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3410 looking_at(buf, &i, "*. * at *:*: ") ||
3411 looking_at(buf, &i, "--* (*:*): ") ||
3412 /* Message notifications (same color as tells) */
3413 looking_at(buf, &i, "* has left a message ") ||
3414 looking_at(buf, &i, "* just sent you a message:\n") ||
3415 /* Whispers and kibitzes */
3416 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3417 looking_at(buf, &i, "* kibitzes: ") ||
3419 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3421 if (tkind == 1 && strchr(star_match[0], ':')) {
3422 /* Avoid "tells you:" spoofs in channels */
3425 if (star_match[0][0] == NULLCHAR ||
3426 strchr(star_match[0], ' ') ||
3427 (tkind == 3 && strchr(star_match[1], ' '))) {
3428 /* Reject bogus matches */
3431 if (appData.colorize) {
3432 if (oldi > next_out) {
3433 SendToPlayer(&buf[next_out], oldi - next_out);
3438 Colorize(ColorTell, FALSE);
3439 curColor = ColorTell;
3442 Colorize(ColorKibitz, FALSE);
3443 curColor = ColorKibitz;
3446 p = strrchr(star_match[1], '(');
3453 Colorize(ColorChannel1, FALSE);
3454 curColor = ColorChannel1;
3456 Colorize(ColorChannel, FALSE);
3457 curColor = ColorChannel;
3461 curColor = ColorNormal;
3465 if (started == STARTED_NONE && appData.autoComment &&
3466 (gameMode == IcsObserving ||
3467 gameMode == IcsPlayingWhite ||
3468 gameMode == IcsPlayingBlack)) {
3469 parse_pos = i - oldi;
3470 memcpy(parse, &buf[oldi], parse_pos);
3471 parse[parse_pos] = NULLCHAR;
3472 started = STARTED_COMMENT;
3473 savingComment = TRUE;
3474 } else if(collective != 3) {
3475 started = STARTED_CHATTER;
3476 savingComment = FALSE;
3483 if (looking_at(buf, &i, "* s-shouts: ") ||
3484 looking_at(buf, &i, "* c-shouts: ")) {
3485 if (appData.colorize) {
3486 if (oldi > next_out) {
3487 SendToPlayer(&buf[next_out], oldi - next_out);
3490 Colorize(ColorSShout, FALSE);
3491 curColor = ColorSShout;
3494 started = STARTED_CHATTER;
3498 if (looking_at(buf, &i, "--->")) {
3503 if (looking_at(buf, &i, "* shouts: ") ||
3504 looking_at(buf, &i, "--> ")) {
3505 if (appData.colorize) {
3506 if (oldi > next_out) {
3507 SendToPlayer(&buf[next_out], oldi - next_out);
3510 Colorize(ColorShout, FALSE);
3511 curColor = ColorShout;
3514 started = STARTED_CHATTER;
3518 if (looking_at( buf, &i, "Challenge:")) {
3519 if (appData.colorize) {
3520 if (oldi > next_out) {
3521 SendToPlayer(&buf[next_out], oldi - next_out);
3524 Colorize(ColorChallenge, FALSE);
3525 curColor = ColorChallenge;
3531 if (looking_at(buf, &i, "* offers you") ||
3532 looking_at(buf, &i, "* offers to be") ||
3533 looking_at(buf, &i, "* would like to") ||
3534 looking_at(buf, &i, "* requests to") ||
3535 looking_at(buf, &i, "Your opponent offers") ||
3536 looking_at(buf, &i, "Your opponent requests")) {
3538 if (appData.colorize) {
3539 if (oldi > next_out) {
3540 SendToPlayer(&buf[next_out], oldi - next_out);
3543 Colorize(ColorRequest, FALSE);
3544 curColor = ColorRequest;
3549 if (looking_at(buf, &i, "* (*) seeking")) {
3550 if (appData.colorize) {
3551 if (oldi > next_out) {
3552 SendToPlayer(&buf[next_out], oldi - next_out);
3555 Colorize(ColorSeek, FALSE);
3556 curColor = ColorSeek;
3561 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3563 if (looking_at(buf, &i, "\\ ")) {
3564 if (prevColor != ColorNormal) {
3565 if (oldi > next_out) {
3566 SendToPlayer(&buf[next_out], oldi - next_out);
3569 Colorize(prevColor, TRUE);
3570 curColor = prevColor;
3572 if (savingComment) {
3573 parse_pos = i - oldi;
3574 memcpy(parse, &buf[oldi], parse_pos);
3575 parse[parse_pos] = NULLCHAR;
3576 started = STARTED_COMMENT;
3577 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3578 chattingPartner = savingComment - 3; // kludge to remember the box
3580 started = STARTED_CHATTER;
3585 if (looking_at(buf, &i, "Black Strength :") ||
3586 looking_at(buf, &i, "<<< style 10 board >>>") ||
3587 looking_at(buf, &i, "<10>") ||
3588 looking_at(buf, &i, "#@#")) {
3589 /* Wrong board style */
3591 SendToICS(ics_prefix);
3592 SendToICS("set style 12\n");
3593 SendToICS(ics_prefix);
3594 SendToICS("refresh\n");
3598 if (looking_at(buf, &i, "login:")) {
3599 if (!have_sent_ICS_logon) {
3601 have_sent_ICS_logon = 1;
3602 else // no init script was found
3603 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3604 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3605 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3610 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3611 (looking_at(buf, &i, "\n<12> ") ||
3612 looking_at(buf, &i, "<12> "))) {
3614 if (oldi > next_out) {
3615 SendToPlayer(&buf[next_out], oldi - next_out);
3618 started = STARTED_BOARD;
3623 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3624 looking_at(buf, &i, "<b1> ")) {
3625 if (oldi > next_out) {
3626 SendToPlayer(&buf[next_out], oldi - next_out);
3629 started = STARTED_HOLDINGS;
3634 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3636 /* Header for a move list -- first line */
3638 switch (ics_getting_history) {
3642 case BeginningOfGame:
3643 /* User typed "moves" or "oldmoves" while we
3644 were idle. Pretend we asked for these
3645 moves and soak them up so user can step
3646 through them and/or save them.
3649 gameMode = IcsObserving;
3652 ics_getting_history = H_GOT_UNREQ_HEADER;
3654 case EditGame: /*?*/
3655 case EditPosition: /*?*/
3656 /* Should above feature work in these modes too? */
3657 /* For now it doesn't */
3658 ics_getting_history = H_GOT_UNWANTED_HEADER;
3661 ics_getting_history = H_GOT_UNWANTED_HEADER;
3666 /* Is this the right one? */
3667 if (gameInfo.white && gameInfo.black &&
3668 strcmp(gameInfo.white, star_match[0]) == 0 &&
3669 strcmp(gameInfo.black, star_match[2]) == 0) {
3671 ics_getting_history = H_GOT_REQ_HEADER;
3674 case H_GOT_REQ_HEADER:
3675 case H_GOT_UNREQ_HEADER:
3676 case H_GOT_UNWANTED_HEADER:
3677 case H_GETTING_MOVES:
3678 /* Should not happen */
3679 DisplayError(_("Error gathering move list: two headers"), 0);
3680 ics_getting_history = H_FALSE;
3684 /* Save player ratings into gameInfo if needed */
3685 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3686 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3687 (gameInfo.whiteRating == -1 ||
3688 gameInfo.blackRating == -1)) {
3690 gameInfo.whiteRating = string_to_rating(star_match[1]);
3691 gameInfo.blackRating = string_to_rating(star_match[3]);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3694 gameInfo.whiteRating, gameInfo.blackRating);
3699 if (looking_at(buf, &i,
3700 "* * match, initial time: * minute*, increment: * second")) {
3701 /* Header for a move list -- second line */
3702 /* Initial board will follow if this is a wild game */
3703 if (gameInfo.event != NULL) free(gameInfo.event);
3704 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3705 gameInfo.event = StrSave(str);
3706 /* [HGM] we switched variant. Translate boards if needed. */
3707 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3711 if (looking_at(buf, &i, "Move ")) {
3712 /* Beginning of a move list */
3713 switch (ics_getting_history) {
3715 /* Normally should not happen */
3716 /* Maybe user hit reset while we were parsing */
3719 /* Happens if we are ignoring a move list that is not
3720 * the one we just requested. Common if the user
3721 * tries to observe two games without turning off
3724 case H_GETTING_MOVES:
3725 /* Should not happen */
3726 DisplayError(_("Error gathering move list: nested"), 0);
3727 ics_getting_history = H_FALSE;
3729 case H_GOT_REQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES;
3733 if (oldi > next_out) {
3734 SendToPlayer(&buf[next_out], oldi - next_out);
3737 case H_GOT_UNREQ_HEADER:
3738 ics_getting_history = H_GETTING_MOVES;
3739 started = STARTED_MOVES_NOHIDE;
3742 case H_GOT_UNWANTED_HEADER:
3743 ics_getting_history = H_FALSE;
3749 if (looking_at(buf, &i, "% ") ||
3750 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3751 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3752 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3753 soughtPending = FALSE;
3757 if(suppressKibitz) next_out = i;
3758 savingComment = FALSE;
3762 case STARTED_MOVES_NOHIDE:
3763 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3764 parse[parse_pos + i - oldi] = NULLCHAR;
3765 ParseGameHistory(parse);
3767 if (appData.zippyPlay && first.initDone) {
3768 FeedMovesToProgram(&first, forwardMostMove);
3769 if (gameMode == IcsPlayingWhite) {
3770 if (WhiteOnMove(forwardMostMove)) {
3771 if (first.sendTime) {
3772 if (first.useColors) {
3773 SendToProgram("black\n", &first);
3775 SendTimeRemaining(&first, TRUE);
3777 if (first.useColors) {
3778 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3780 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3781 first.maybeThinking = TRUE;
3783 if (first.usePlayother) {
3784 if (first.sendTime) {
3785 SendTimeRemaining(&first, TRUE);
3787 SendToProgram("playother\n", &first);
3793 } else if (gameMode == IcsPlayingBlack) {
3794 if (!WhiteOnMove(forwardMostMove)) {
3795 if (first.sendTime) {
3796 if (first.useColors) {
3797 SendToProgram("white\n", &first);
3799 SendTimeRemaining(&first, FALSE);
3801 if (first.useColors) {
3802 SendToProgram("black\n", &first);
3804 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3805 first.maybeThinking = TRUE;
3807 if (first.usePlayother) {
3808 if (first.sendTime) {
3809 SendTimeRemaining(&first, FALSE);
3811 SendToProgram("playother\n", &first);
3820 if (gameMode == IcsObserving && ics_gamenum == -1) {
3821 /* Moves came from oldmoves or moves command
3822 while we weren't doing anything else.
3824 currentMove = forwardMostMove;
3825 ClearHighlights();/*!!could figure this out*/
3826 flipView = appData.flipView;
3827 DrawPosition(TRUE, boards[currentMove]);
3828 DisplayBothClocks();
3829 snprintf(str, MSG_SIZ, "%s %s %s",
3830 gameInfo.white, _("vs."), gameInfo.black);
3834 /* Moves were history of an active game */
3835 if (gameInfo.resultDetails != NULL) {
3836 free(gameInfo.resultDetails);
3837 gameInfo.resultDetails = NULL;
3840 HistorySet(parseList, backwardMostMove,
3841 forwardMostMove, currentMove-1);
3842 DisplayMove(currentMove - 1);
3843 if (started == STARTED_MOVES) next_out = i;
3844 started = STARTED_NONE;
3845 ics_getting_history = H_FALSE;
3848 case STARTED_OBSERVE:
3849 started = STARTED_NONE;
3850 SendToICS(ics_prefix);
3851 SendToICS("refresh\n");
3857 if(bookHit) { // [HGM] book: simulate book reply
3858 static char bookMove[MSG_SIZ]; // a bit generous?
3860 programStats.nodes = programStats.depth = programStats.time =
3861 programStats.score = programStats.got_only_move = 0;
3862 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3864 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3865 strcat(bookMove, bookHit);
3866 HandleMachineMove(bookMove, &first);
3871 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3872 started == STARTED_HOLDINGS ||
3873 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3874 /* Accumulate characters in move list or board */
3875 parse[parse_pos++] = buf[i];
3878 /* Start of game messages. Mostly we detect start of game
3879 when the first board image arrives. On some versions
3880 of the ICS, though, we need to do a "refresh" after starting
3881 to observe in order to get the current board right away. */
3882 if (looking_at(buf, &i, "Adding game * to observation list")) {
3883 started = STARTED_OBSERVE;
3887 /* Handle auto-observe */
3888 if (appData.autoObserve &&
3889 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3890 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3892 /* Choose the player that was highlighted, if any. */
3893 if (star_match[0][0] == '\033' ||
3894 star_match[1][0] != '\033') {
3895 player = star_match[0];
3897 player = star_match[2];
3899 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3900 ics_prefix, StripHighlightAndTitle(player));
3903 /* Save ratings from notify string */
3904 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3905 player1Rating = string_to_rating(star_match[1]);
3906 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3907 player2Rating = string_to_rating(star_match[3]);
3909 if (appData.debugMode)
3911 "Ratings from 'Game notification:' %s %d, %s %d\n",
3912 player1Name, player1Rating,
3913 player2Name, player2Rating);
3918 /* Deal with automatic examine mode after a game,
3919 and with IcsObserving -> IcsExamining transition */
3920 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3921 looking_at(buf, &i, "has made you an examiner of game *")) {
3923 int gamenum = atoi(star_match[0]);
3924 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3925 gamenum == ics_gamenum) {
3926 /* We were already playing or observing this game;
3927 no need to refetch history */
3928 gameMode = IcsExamining;
3930 pauseExamForwardMostMove = forwardMostMove;
3931 } else if (currentMove < forwardMostMove) {
3932 ForwardInner(forwardMostMove);
3935 /* I don't think this case really can happen */
3936 SendToICS(ics_prefix);
3937 SendToICS("refresh\n");
3942 /* Error messages */
3943 // if (ics_user_moved) {
3944 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3945 if (looking_at(buf, &i, "Illegal move") ||
3946 looking_at(buf, &i, "Not a legal move") ||
3947 looking_at(buf, &i, "Your king is in check") ||
3948 looking_at(buf, &i, "It isn't your turn") ||
3949 looking_at(buf, &i, "It is not your move")) {
3951 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3952 currentMove = forwardMostMove-1;
3953 DisplayMove(currentMove - 1); /* before DMError */
3954 DrawPosition(FALSE, boards[currentMove]);
3955 SwitchClocks(forwardMostMove-1); // [HGM] race
3956 DisplayBothClocks();
3958 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3964 if (looking_at(buf, &i, "still have time") ||
3965 looking_at(buf, &i, "not out of time") ||
3966 looking_at(buf, &i, "either player is out of time") ||
3967 looking_at(buf, &i, "has timeseal; checking")) {
3968 /* We must have called his flag a little too soon */
3969 whiteFlag = blackFlag = FALSE;
3973 if (looking_at(buf, &i, "added * seconds to") ||
3974 looking_at(buf, &i, "seconds were added to")) {
3975 /* Update the clocks */
3976 SendToICS(ics_prefix);
3977 SendToICS("refresh\n");
3981 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3982 ics_clock_paused = TRUE;
3987 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3988 ics_clock_paused = FALSE;
3993 /* Grab player ratings from the Creating: message.
3994 Note we have to check for the special case when
3995 the ICS inserts things like [white] or [black]. */
3996 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3997 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3999 0 player 1 name (not necessarily white)
4001 2 empty, white, or black (IGNORED)
4002 3 player 2 name (not necessarily black)
4005 The names/ratings are sorted out when the game
4006 actually starts (below).
4008 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4009 player1Rating = string_to_rating(star_match[1]);
4010 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4011 player2Rating = string_to_rating(star_match[4]);
4013 if (appData.debugMode)
4015 "Ratings from 'Creating:' %s %d, %s %d\n",
4016 player1Name, player1Rating,
4017 player2Name, player2Rating);
4022 /* Improved generic start/end-of-game messages */
4023 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4024 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4025 /* If tkind == 0: */
4026 /* star_match[0] is the game number */
4027 /* [1] is the white player's name */
4028 /* [2] is the black player's name */
4029 /* For end-of-game: */
4030 /* [3] is the reason for the game end */
4031 /* [4] is a PGN end game-token, preceded by " " */
4032 /* For start-of-game: */
4033 /* [3] begins with "Creating" or "Continuing" */
4034 /* [4] is " *" or empty (don't care). */
4035 int gamenum = atoi(star_match[0]);
4036 char *whitename, *blackname, *why, *endtoken;
4037 ChessMove endtype = EndOfFile;
4040 whitename = star_match[1];
4041 blackname = star_match[2];
4042 why = star_match[3];
4043 endtoken = star_match[4];
4045 whitename = star_match[1];
4046 blackname = star_match[3];
4047 why = star_match[5];
4048 endtoken = star_match[6];
4051 /* Game start messages */
4052 if (strncmp(why, "Creating ", 9) == 0 ||
4053 strncmp(why, "Continuing ", 11) == 0) {
4054 gs_gamenum = gamenum;
4055 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4056 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4057 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4059 if (appData.zippyPlay) {
4060 ZippyGameStart(whitename, blackname);
4063 partnerBoardValid = FALSE; // [HGM] bughouse
4067 /* Game end messages */
4068 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4069 ics_gamenum != gamenum) {
4072 while (endtoken[0] == ' ') endtoken++;
4073 switch (endtoken[0]) {
4076 endtype = GameUnfinished;
4079 endtype = BlackWins;
4082 if (endtoken[1] == '/')
4083 endtype = GameIsDrawn;
4085 endtype = WhiteWins;
4088 GameEnds(endtype, why, GE_ICS);
4090 if (appData.zippyPlay && first.initDone) {
4091 ZippyGameEnd(endtype, why);
4092 if (first.pr == NoProc) {
4093 /* Start the next process early so that we'll
4094 be ready for the next challenge */
4095 StartChessProgram(&first);
4097 /* Send "new" early, in case this command takes
4098 a long time to finish, so that we'll be ready
4099 for the next challenge. */
4100 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4104 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4108 if (looking_at(buf, &i, "Removing game * from observation") ||
4109 looking_at(buf, &i, "no longer observing game *") ||
4110 looking_at(buf, &i, "Game * (*) has no examiners")) {
4111 if (gameMode == IcsObserving &&
4112 atoi(star_match[0]) == ics_gamenum)
4114 /* icsEngineAnalyze */
4115 if (appData.icsEngineAnalyze) {
4122 ics_user_moved = FALSE;
4127 if (looking_at(buf, &i, "no longer examining game *")) {
4128 if (gameMode == IcsExamining &&
4129 atoi(star_match[0]) == ics_gamenum)
4133 ics_user_moved = FALSE;
4138 /* Advance leftover_start past any newlines we find,
4139 so only partial lines can get reparsed */
4140 if (looking_at(buf, &i, "\n")) {
4141 prevColor = curColor;
4142 if (curColor != ColorNormal) {
4143 if (oldi > next_out) {
4144 SendToPlayer(&buf[next_out], oldi - next_out);
4147 Colorize(ColorNormal, FALSE);
4148 curColor = ColorNormal;
4150 if (started == STARTED_BOARD) {
4151 started = STARTED_NONE;
4152 parse[parse_pos] = NULLCHAR;
4153 ParseBoard12(parse);
4156 /* Send premove here */
4157 if (appData.premove) {
4159 if (currentMove == 0 &&
4160 gameMode == IcsPlayingWhite &&
4161 appData.premoveWhite) {
4162 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4163 if (appData.debugMode)
4164 fprintf(debugFP, "Sending premove:\n");
4166 } else if (currentMove == 1 &&
4167 gameMode == IcsPlayingBlack &&
4168 appData.premoveBlack) {
4169 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4170 if (appData.debugMode)
4171 fprintf(debugFP, "Sending premove:\n");
4173 } else if (gotPremove) {
4174 int oldFMM = forwardMostMove;
4176 ClearPremoveHighlights();
4177 if (appData.debugMode)
4178 fprintf(debugFP, "Sending premove:\n");
4179 UserMoveEvent(premoveFromX, premoveFromY,
4180 premoveToX, premoveToY,
4182 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4183 if(moveList[oldFMM-1][1] != '@')
4184 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4185 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4187 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4192 /* Usually suppress following prompt */
4193 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4194 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4195 if (looking_at(buf, &i, "*% ")) {
4196 savingComment = FALSE;
4201 } else if (started == STARTED_HOLDINGS) {
4203 char new_piece[MSG_SIZ];
4204 started = STARTED_NONE;
4205 parse[parse_pos] = NULLCHAR;
4206 if (appData.debugMode)
4207 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4208 parse, currentMove);
4209 if (sscanf(parse, " game %d", &gamenum) == 1) {
4210 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4211 if (gameInfo.variant == VariantNormal) {
4212 /* [HGM] We seem to switch variant during a game!
4213 * Presumably no holdings were displayed, so we have
4214 * to move the position two files to the right to
4215 * create room for them!
4217 VariantClass newVariant;
4218 switch(gameInfo.boardWidth) { // base guess on board width
4219 case 9: newVariant = VariantShogi; break;
4220 case 10: newVariant = VariantGreat; break;
4221 default: newVariant = VariantCrazyhouse; break;
4223 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4224 /* Get a move list just to see the header, which
4225 will tell us whether this is really bug or zh */
4226 if (ics_getting_history == H_FALSE) {
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4232 new_piece[0] = NULLCHAR;
4233 sscanf(parse, "game %d white [%s black [%s <- %s",
4234 &gamenum, white_holding, black_holding,
4236 white_holding[strlen(white_holding)-1] = NULLCHAR;
4237 black_holding[strlen(black_holding)-1] = NULLCHAR;
4238 /* [HGM] copy holdings to board holdings area */
4239 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4240 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4241 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4243 if (appData.zippyPlay && first.initDone) {
4244 ZippyHoldings(white_holding, black_holding,
4248 if (tinyLayout || smallLayout) {
4249 char wh[16], bh[16];
4250 PackHolding(wh, white_holding);
4251 PackHolding(bh, black_holding);
4252 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4253 gameInfo.white, gameInfo.black);
4255 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4256 gameInfo.white, white_holding, _("vs."),
4257 gameInfo.black, black_holding);
4259 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4260 DrawPosition(FALSE, boards[currentMove]);
4262 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4263 sscanf(parse, "game %d white [%s black [%s <- %s",
4264 &gamenum, white_holding, black_holding,
4266 white_holding[strlen(white_holding)-1] = NULLCHAR;
4267 black_holding[strlen(black_holding)-1] = NULLCHAR;
4268 /* [HGM] copy holdings to partner-board holdings area */
4269 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4270 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4271 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4272 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4273 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4276 /* Suppress following prompt */
4277 if (looking_at(buf, &i, "*% ")) {
4278 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4279 savingComment = FALSE;
4287 i++; /* skip unparsed character and loop back */
4290 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4291 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4292 // SendToPlayer(&buf[next_out], i - next_out);
4293 started != STARTED_HOLDINGS && leftover_start > next_out) {
4294 SendToPlayer(&buf[next_out], leftover_start - next_out);
4298 leftover_len = buf_len - leftover_start;
4299 /* if buffer ends with something we couldn't parse,
4300 reparse it after appending the next read */
4302 } else if (count == 0) {
4303 RemoveInputSource(isr);
4304 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4306 DisplayFatalError(_("Error reading from ICS"), error, 1);
4311 /* Board style 12 looks like this:
4313 <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
4315 * The "<12> " is stripped before it gets to this routine. The two
4316 * trailing 0's (flip state and clock ticking) are later addition, and
4317 * some chess servers may not have them, or may have only the first.
4318 * Additional trailing fields may be added in the future.
4321 #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"
4323 #define RELATION_OBSERVING_PLAYED 0
4324 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4325 #define RELATION_PLAYING_MYMOVE 1
4326 #define RELATION_PLAYING_NOTMYMOVE -1
4327 #define RELATION_EXAMINING 2
4328 #define RELATION_ISOLATED_BOARD -3
4329 #define RELATION_STARTING_POSITION -4 /* FICS only */
4332 ParseBoard12 (char *string)
4336 char *bookHit = NULL; // [HGM] book
4338 GameMode newGameMode;
4339 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4340 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4341 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4342 char to_play, board_chars[200];
4343 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4344 char black[32], white[32];
4346 int prevMove = currentMove;
4349 int fromX, fromY, toX, toY;
4351 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4352 Boolean weird = FALSE, reqFlag = FALSE;
4354 fromX = fromY = toX = toY = -1;
4358 if (appData.debugMode)
4359 fprintf(debugFP, "Parsing board: %s\n", string);
4361 move_str[0] = NULLCHAR;
4362 elapsed_time[0] = NULLCHAR;
4363 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4365 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4366 if(string[i] == ' ') { ranks++; files = 0; }
4368 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4371 for(j = 0; j <i; j++) board_chars[j] = string[j];
4372 board_chars[i] = '\0';
4375 n = sscanf(string, PATTERN, &to_play, &double_push,
4376 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4377 &gamenum, white, black, &relation, &basetime, &increment,
4378 &white_stren, &black_stren, &white_time, &black_time,
4379 &moveNum, str, elapsed_time, move_str, &ics_flip,
4383 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4384 DisplayError(str, 0);
4388 /* Convert the move number to internal form */
4389 moveNum = (moveNum - 1) * 2;
4390 if (to_play == 'B') moveNum++;
4391 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4392 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4398 case RELATION_OBSERVING_PLAYED:
4399 case RELATION_OBSERVING_STATIC:
4400 if (gamenum == -1) {
4401 /* Old ICC buglet */
4402 relation = RELATION_OBSERVING_STATIC;
4404 newGameMode = IcsObserving;
4406 case RELATION_PLAYING_MYMOVE:
4407 case RELATION_PLAYING_NOTMYMOVE:
4409 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4410 IcsPlayingWhite : IcsPlayingBlack;
4411 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4413 case RELATION_EXAMINING:
4414 newGameMode = IcsExamining;
4416 case RELATION_ISOLATED_BOARD:
4418 /* Just display this board. If user was doing something else,
4419 we will forget about it until the next board comes. */
4420 newGameMode = IcsIdle;
4422 case RELATION_STARTING_POSITION:
4423 newGameMode = gameMode;
4427 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4428 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4429 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4430 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4431 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4432 static int lastBgGame = -1;
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 CopyBoard(partnerBoard, board);
4443 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4444 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4445 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4446 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4447 if(toSqr = strchr(str, '-')) {
4448 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4449 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4450 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4451 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4452 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4453 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4455 DisplayWhiteClock(white_time*fac, to_play == 'W');
4456 DisplayBlackClock(black_time*fac, to_play != 'W');
4457 activePartner = to_play;
4458 if(gamenum != lastBgGame) {
4460 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4463 lastBgGame = gamenum;
4464 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4465 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4466 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4467 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4468 if(!twoBoards) DisplayMessage(partnerStatus, "");
4469 partnerBoardValid = TRUE;
4473 if(appData.dualBoard && appData.bgObserve) {
4474 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4475 SendToICS(ics_prefix), SendToICS("pobserve\n");
4476 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4478 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4483 /* Modify behavior for initial board display on move listing
4486 switch (ics_getting_history) {
4490 case H_GOT_REQ_HEADER:
4491 case H_GOT_UNREQ_HEADER:
4492 /* This is the initial position of the current game */
4493 gamenum = ics_gamenum;
4494 moveNum = 0; /* old ICS bug workaround */
4495 if (to_play == 'B') {
4496 startedFromSetupPosition = TRUE;
4497 blackPlaysFirst = TRUE;
4499 if (forwardMostMove == 0) forwardMostMove = 1;
4500 if (backwardMostMove == 0) backwardMostMove = 1;
4501 if (currentMove == 0) currentMove = 1;
4503 newGameMode = gameMode;
4504 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4506 case H_GOT_UNWANTED_HEADER:
4507 /* This is an initial board that we don't want */
4509 case H_GETTING_MOVES:
4510 /* Should not happen */
4511 DisplayError(_("Error gathering move list: extra board"), 0);
4512 ics_getting_history = H_FALSE;
4516 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4517 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4518 weird && (int)gameInfo.variant < (int)VariantShogi) {
4519 /* [HGM] We seem to have switched variant unexpectedly
4520 * Try to guess new variant from board size
4522 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4523 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4524 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4525 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4526 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4527 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4528 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4529 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4530 /* Get a move list just to see the header, which
4531 will tell us whether this is really bug or zh */
4532 if (ics_getting_history == H_FALSE) {
4533 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4534 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4539 /* Take action if this is the first board of a new game, or of a
4540 different game than is currently being displayed. */
4541 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4542 relation == RELATION_ISOLATED_BOARD) {
4544 /* Forget the old game and get the history (if any) of the new one */
4545 if (gameMode != BeginningOfGame) {
4549 if (appData.autoRaiseBoard) BoardToTop();
4551 if (gamenum == -1) {
4552 newGameMode = IcsIdle;
4553 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4554 appData.getMoveList && !reqFlag) {
4555 /* Need to get game history */
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4561 /* Initially flip the board to have black on the bottom if playing
4562 black or if the ICS flip flag is set, but let the user change
4563 it with the Flip View button. */
4564 flipView = appData.autoFlipView ?
4565 (newGameMode == IcsPlayingBlack) || ics_flip :
4568 /* Done with values from previous mode; copy in new ones */
4569 gameMode = newGameMode;
4571 ics_gamenum = gamenum;
4572 if (gamenum == gs_gamenum) {
4573 int klen = strlen(gs_kind);
4574 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4575 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4576 gameInfo.event = StrSave(str);
4578 gameInfo.event = StrSave("ICS game");
4580 gameInfo.site = StrSave(appData.icsHost);
4581 gameInfo.date = PGNDate();
4582 gameInfo.round = StrSave("-");
4583 gameInfo.white = StrSave(white);
4584 gameInfo.black = StrSave(black);
4585 timeControl = basetime * 60 * 1000;
4587 timeIncrement = increment * 1000;
4588 movesPerSession = 0;
4589 gameInfo.timeControl = TimeControlTagValue();
4590 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4591 if (appData.debugMode) {
4592 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4593 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4594 setbuf(debugFP, NULL);
4597 gameInfo.outOfBook = NULL;
4599 /* Do we have the ratings? */
4600 if (strcmp(player1Name, white) == 0 &&
4601 strcmp(player2Name, black) == 0) {
4602 if (appData.debugMode)
4603 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4604 player1Rating, player2Rating);
4605 gameInfo.whiteRating = player1Rating;
4606 gameInfo.blackRating = player2Rating;
4607 } else if (strcmp(player2Name, white) == 0 &&
4608 strcmp(player1Name, black) == 0) {
4609 if (appData.debugMode)
4610 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4611 player2Rating, player1Rating);
4612 gameInfo.whiteRating = player2Rating;
4613 gameInfo.blackRating = player1Rating;
4615 player1Name[0] = player2Name[0] = NULLCHAR;
4617 /* Silence shouts if requested */
4618 if (appData.quietPlay &&
4619 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4620 SendToICS(ics_prefix);
4621 SendToICS("set shout 0\n");
4625 /* Deal with midgame name changes */
4627 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4628 if (gameInfo.white) free(gameInfo.white);
4629 gameInfo.white = StrSave(white);
4631 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4632 if (gameInfo.black) free(gameInfo.black);
4633 gameInfo.black = StrSave(black);
4637 /* Throw away game result if anything actually changes in examine mode */
4638 if (gameMode == IcsExamining && !newGame) {
4639 gameInfo.result = GameUnfinished;
4640 if (gameInfo.resultDetails != NULL) {
4641 free(gameInfo.resultDetails);
4642 gameInfo.resultDetails = NULL;
4646 /* In pausing && IcsExamining mode, we ignore boards coming
4647 in if they are in a different variation than we are. */
4648 if (pauseExamInvalid) return;
4649 if (pausing && gameMode == IcsExamining) {
4650 if (moveNum <= pauseExamForwardMostMove) {
4651 pauseExamInvalid = TRUE;
4652 forwardMostMove = pauseExamForwardMostMove;
4657 if (appData.debugMode) {
4658 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4660 /* Parse the board */
4661 for (k = 0; k < ranks; k++) {
4662 for (j = 0; j < files; j++)
4663 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4664 if(gameInfo.holdingsWidth > 1) {
4665 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4666 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4669 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4670 board[5][BOARD_RGHT+1] = WhiteAngel;
4671 board[6][BOARD_RGHT+1] = WhiteMarshall;
4672 board[1][0] = BlackMarshall;
4673 board[2][0] = BlackAngel;
4674 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4676 CopyBoard(boards[moveNum], board);
4677 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4679 startedFromSetupPosition =
4680 !CompareBoards(board, initialPosition);
4681 if(startedFromSetupPosition)
4682 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4685 /* [HGM] Set castling rights. Take the outermost Rooks,
4686 to make it also work for FRC opening positions. Note that board12
4687 is really defective for later FRC positions, as it has no way to
4688 indicate which Rook can castle if they are on the same side of King.
4689 For the initial position we grant rights to the outermost Rooks,
4690 and remember thos rights, and we then copy them on positions
4691 later in an FRC game. This means WB might not recognize castlings with
4692 Rooks that have moved back to their original position as illegal,
4693 but in ICS mode that is not its job anyway.
4695 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4696 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4698 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4699 if(board[0][i] == WhiteRook) j = i;
4700 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4701 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4702 if(board[0][i] == WhiteRook) j = i;
4703 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4704 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4705 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4706 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4707 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4708 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4709 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4711 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4712 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4713 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4714 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4715 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4716 if(board[BOARD_HEIGHT-1][k] == bKing)
4717 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4718 if(gameInfo.variant == VariantTwoKings) {
4719 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4720 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4721 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4724 r = boards[moveNum][CASTLING][0] = initialRights[0];
4725 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4726 r = boards[moveNum][CASTLING][1] = initialRights[1];
4727 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4728 r = boards[moveNum][CASTLING][3] = initialRights[3];
4729 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4730 r = boards[moveNum][CASTLING][4] = initialRights[4];
4731 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4732 /* wildcastle kludge: always assume King has rights */
4733 r = boards[moveNum][CASTLING][2] = initialRights[2];
4734 r = boards[moveNum][CASTLING][5] = initialRights[5];
4736 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4737 boards[moveNum][EP_STATUS] = EP_NONE;
4738 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4739 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4740 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4743 if (ics_getting_history == H_GOT_REQ_HEADER ||
4744 ics_getting_history == H_GOT_UNREQ_HEADER) {
4745 /* This was an initial position from a move list, not
4746 the current position */
4750 /* Update currentMove and known move number limits */
4751 newMove = newGame || moveNum > forwardMostMove;
4754 forwardMostMove = backwardMostMove = currentMove = moveNum;
4755 if (gameMode == IcsExamining && moveNum == 0) {
4756 /* Workaround for ICS limitation: we are not told the wild
4757 type when starting to examine a game. But if we ask for
4758 the move list, the move list header will tell us */
4759 ics_getting_history = H_REQUESTED;
4760 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4763 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4764 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4766 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4767 /* [HGM] applied this also to an engine that is silently watching */
4768 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4769 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4770 gameInfo.variant == currentlyInitializedVariant) {
4771 takeback = forwardMostMove - moveNum;
4772 for (i = 0; i < takeback; i++) {
4773 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4774 SendToProgram("undo\n", &first);
4779 forwardMostMove = moveNum;
4780 if (!pausing || currentMove > forwardMostMove)
4781 currentMove = forwardMostMove;
4783 /* New part of history that is not contiguous with old part */
4784 if (pausing && gameMode == IcsExamining) {
4785 pauseExamInvalid = TRUE;
4786 forwardMostMove = pauseExamForwardMostMove;
4789 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4791 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4792 // [HGM] when we will receive the move list we now request, it will be
4793 // fed to the engine from the first move on. So if the engine is not
4794 // in the initial position now, bring it there.
4795 InitChessProgram(&first, 0);
4798 ics_getting_history = H_REQUESTED;
4799 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4802 forwardMostMove = backwardMostMove = currentMove = moveNum;
4805 /* Update the clocks */
4806 if (strchr(elapsed_time, '.')) {
4808 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4809 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4811 /* Time is in seconds */
4812 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4813 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4818 if (appData.zippyPlay && newGame &&
4819 gameMode != IcsObserving && gameMode != IcsIdle &&
4820 gameMode != IcsExamining)
4821 ZippyFirstBoard(moveNum, basetime, increment);
4824 /* Put the move on the move list, first converting
4825 to canonical algebraic form. */
4827 if (appData.debugMode) {
4828 int f = forwardMostMove;
4829 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4830 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4831 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4832 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4833 fprintf(debugFP, "moveNum = %d\n", moveNum);
4834 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4835 setbuf(debugFP, NULL);
4837 if (moveNum <= backwardMostMove) {
4838 /* We don't know what the board looked like before
4840 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4841 strcat(parseList[moveNum - 1], " ");
4842 strcat(parseList[moveNum - 1], elapsed_time);
4843 moveList[moveNum - 1][0] = NULLCHAR;
4844 } else if (strcmp(move_str, "none") == 0) {
4845 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4846 /* Again, we don't know what the board looked like;
4847 this is really the start of the game. */
4848 parseList[moveNum - 1][0] = NULLCHAR;
4849 moveList[moveNum - 1][0] = NULLCHAR;
4850 backwardMostMove = moveNum;
4851 startedFromSetupPosition = TRUE;
4852 fromX = fromY = toX = toY = -1;
4854 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4855 // So we parse the long-algebraic move string in stead of the SAN move
4856 int valid; char buf[MSG_SIZ], *prom;
4858 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4859 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4860 // str looks something like "Q/a1-a2"; kill the slash
4862 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4863 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4864 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4865 strcat(buf, prom); // long move lacks promo specification!
4866 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4867 if(appData.debugMode)
4868 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4869 safeStrCpy(move_str, buf, MSG_SIZ);
4871 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4872 &fromX, &fromY, &toX, &toY, &promoChar)
4873 || ParseOneMove(buf, moveNum - 1, &moveType,
4874 &fromX, &fromY, &toX, &toY, &promoChar);
4875 // end of long SAN patch
4877 (void) CoordsToAlgebraic(boards[moveNum - 1],
4878 PosFlags(moveNum - 1),
4879 fromY, fromX, toY, toX, promoChar,
4880 parseList[moveNum-1]);
4881 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4887 if(!IS_SHOGI(gameInfo.variant))
4888 strcat(parseList[moveNum - 1], "+");
4891 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4892 strcat(parseList[moveNum - 1], "#");
4895 strcat(parseList[moveNum - 1], " ");
4896 strcat(parseList[moveNum - 1], elapsed_time);
4897 /* currentMoveString is set as a side-effect of ParseOneMove */
4898 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4899 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4900 strcat(moveList[moveNum - 1], "\n");
4902 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4903 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4904 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4905 ChessSquare old, new = boards[moveNum][k][j];
4906 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4907 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4908 if(old == new) continue;
4909 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4910 else if(new == WhiteWazir || new == BlackWazir) {
4911 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4912 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4913 else boards[moveNum][k][j] = old; // preserve type of Gold
4914 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4915 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4918 /* Move from ICS was illegal!? Punt. */
4919 if (appData.debugMode) {
4920 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4921 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4923 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4924 strcat(parseList[moveNum - 1], " ");
4925 strcat(parseList[moveNum - 1], elapsed_time);
4926 moveList[moveNum - 1][0] = NULLCHAR;
4927 fromX = fromY = toX = toY = -1;
4930 if (appData.debugMode) {
4931 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4932 setbuf(debugFP, NULL);
4936 /* Send move to chess program (BEFORE animating it). */
4937 if (appData.zippyPlay && !newGame && newMove &&
4938 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4940 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4941 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4942 if (moveList[moveNum - 1][0] == NULLCHAR) {
4943 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4945 DisplayError(str, 0);
4947 if (first.sendTime) {
4948 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4950 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4951 if (firstMove && !bookHit) {
4953 if (first.useColors) {
4954 SendToProgram(gameMode == IcsPlayingWhite ?
4956 "black\ngo\n", &first);
4958 SendToProgram("go\n", &first);
4960 first.maybeThinking = TRUE;
4963 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4964 if (moveList[moveNum - 1][0] == NULLCHAR) {
4965 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4966 DisplayError(str, 0);
4968 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4969 SendMoveToProgram(moveNum - 1, &first);
4976 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4977 /* If move comes from a remote source, animate it. If it
4978 isn't remote, it will have already been animated. */
4979 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4980 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4982 if (!pausing && appData.highlightLastMove) {
4983 SetHighlights(fromX, fromY, toX, toY);
4987 /* Start the clocks */
4988 whiteFlag = blackFlag = FALSE;
4989 appData.clockMode = !(basetime == 0 && increment == 0);
4991 ics_clock_paused = TRUE;
4993 } else if (ticking == 1) {
4994 ics_clock_paused = FALSE;
4996 if (gameMode == IcsIdle ||
4997 relation == RELATION_OBSERVING_STATIC ||
4998 relation == RELATION_EXAMINING ||
5000 DisplayBothClocks();
5004 /* Display opponents and material strengths */
5005 if (gameInfo.variant != VariantBughouse &&
5006 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5007 if (tinyLayout || smallLayout) {
5008 if(gameInfo.variant == VariantNormal)
5009 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5010 gameInfo.white, white_stren, gameInfo.black, black_stren,
5011 basetime, increment);
5013 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5014 gameInfo.white, white_stren, gameInfo.black, black_stren,
5015 basetime, increment, (int) gameInfo.variant);
5017 if(gameInfo.variant == VariantNormal)
5018 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5019 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5020 basetime, increment);
5022 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5023 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5024 basetime, increment, VariantName(gameInfo.variant));
5027 if (appData.debugMode) {
5028 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5033 /* Display the board */
5034 if (!pausing && !appData.noGUI) {
5036 if (appData.premove)
5038 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5039 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5040 ClearPremoveHighlights();
5042 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5043 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5044 DrawPosition(j, boards[currentMove]);
5046 DisplayMove(moveNum - 1);
5047 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5048 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5049 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5050 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5054 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5056 if(bookHit) { // [HGM] book: simulate book reply
5057 static char bookMove[MSG_SIZ]; // a bit generous?
5059 programStats.nodes = programStats.depth = programStats.time =
5060 programStats.score = programStats.got_only_move = 0;
5061 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5063 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5064 strcat(bookMove, bookHit);
5065 HandleMachineMove(bookMove, &first);
5074 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5075 ics_getting_history = H_REQUESTED;
5076 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5082 SendToBoth (char *msg)
5083 { // to make it easy to keep two engines in step in dual analysis
5084 SendToProgram(msg, &first);
5085 if(second.analyzing) SendToProgram(msg, &second);
5089 AnalysisPeriodicEvent (int force)
5091 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5092 && !force) || !appData.periodicUpdates)
5095 /* Send . command to Crafty to collect stats */
5098 /* Don't send another until we get a response (this makes
5099 us stop sending to old Crafty's which don't understand
5100 the "." command (sending illegal cmds resets node count & time,
5101 which looks bad)) */
5102 programStats.ok_to_send = 0;
5106 ics_update_width (int new_width)
5108 ics_printf("set width %d\n", new_width);
5112 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5116 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5117 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5118 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5119 SendToProgram(buf, cps);
5122 // null move in variant where engine does not understand it (for analysis purposes)
5123 SendBoard(cps, moveNum + 1); // send position after move in stead.
5126 if (cps->useUsermove) {
5127 SendToProgram("usermove ", cps);
5131 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5132 int len = space - parseList[moveNum];
5133 memcpy(buf, parseList[moveNum], len);
5135 buf[len] = NULLCHAR;
5137 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5139 SendToProgram(buf, cps);
5141 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5142 AlphaRank(moveList[moveNum], 4);
5143 SendToProgram(moveList[moveNum], cps);
5144 AlphaRank(moveList[moveNum], 4); // and back
5146 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5147 * the engine. It would be nice to have a better way to identify castle
5149 if(appData.fischerCastling && cps->useOOCastle) {
5150 int fromX = moveList[moveNum][0] - AAA;
5151 int fromY = moveList[moveNum][1] - ONE;
5152 int toX = moveList[moveNum][2] - AAA;
5153 int toY = moveList[moveNum][3] - ONE;
5154 if((boards[moveNum][fromY][fromX] == WhiteKing
5155 && boards[moveNum][toY][toX] == WhiteRook)
5156 || (boards[moveNum][fromY][fromX] == BlackKing
5157 && boards[moveNum][toY][toX] == BlackRook)) {
5158 if(toX > fromX) SendToProgram("O-O\n", cps);
5159 else SendToProgram("O-O-O\n", cps);
5161 else SendToProgram(moveList[moveNum], cps);
5163 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5164 char *m = moveList[moveNum];
5166 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5167 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
5168 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5171 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5172 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5173 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5174 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
5179 m[2], m[3] - '0', c);
5181 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5184 m[2], m[3] - '0', c);
5185 SendToProgram(buf, cps);
5187 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5188 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5189 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5190 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5191 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5193 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5194 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5195 SendToProgram(buf, cps);
5197 else SendToProgram(moveList[moveNum], cps);
5198 /* End of additions by Tord */
5201 /* [HGM] setting up the opening has brought engine in force mode! */
5202 /* Send 'go' if we are in a mode where machine should play. */
5203 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5204 (gameMode == TwoMachinesPlay ||
5206 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5208 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5209 SendToProgram("go\n", cps);
5210 if (appData.debugMode) {
5211 fprintf(debugFP, "(extra)\n");
5214 setboardSpoiledMachineBlack = 0;
5218 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5220 char user_move[MSG_SIZ];
5223 if(gameInfo.variant == VariantSChess && promoChar) {
5224 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5225 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5226 } else suffix[0] = NULLCHAR;
5230 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5231 (int)moveType, fromX, fromY, toX, toY);
5232 DisplayError(user_move + strlen("say "), 0);
5234 case WhiteKingSideCastle:
5235 case BlackKingSideCastle:
5236 case WhiteQueenSideCastleWild:
5237 case BlackQueenSideCastleWild:
5239 case WhiteHSideCastleFR:
5240 case BlackHSideCastleFR:
5242 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5244 case WhiteQueenSideCastle:
5245 case BlackQueenSideCastle:
5246 case WhiteKingSideCastleWild:
5247 case BlackKingSideCastleWild:
5249 case WhiteASideCastleFR:
5250 case BlackASideCastleFR:
5252 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5254 case WhiteNonPromotion:
5255 case BlackNonPromotion:
5256 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5258 case WhitePromotion:
5259 case BlackPromotion:
5260 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5261 gameInfo.variant == VariantMakruk)
5262 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5263 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5264 PieceToChar(WhiteFerz));
5265 else if(gameInfo.variant == VariantGreat)
5266 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5267 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5268 PieceToChar(WhiteMan));
5270 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5277 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5278 ToUpper(PieceToChar((ChessSquare) fromX)),
5279 AAA + toX, ONE + toY);
5281 case IllegalMove: /* could be a variant we don't quite understand */
5282 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5284 case WhiteCapturesEnPassant:
5285 case BlackCapturesEnPassant:
5286 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5287 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5290 SendToICS(user_move);
5291 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5292 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5297 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5298 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5299 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5300 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5301 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5304 if(gameMode != IcsExamining) { // is this ever not the case?
5305 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5307 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5308 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5309 } else { // on FICS we must first go to general examine mode
5310 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5312 if(gameInfo.variant != VariantNormal) {
5313 // try figure out wild number, as xboard names are not always valid on ICS
5314 for(i=1; i<=36; i++) {
5315 snprintf(buf, MSG_SIZ, "wild/%d", i);
5316 if(StringToVariant(buf) == gameInfo.variant) break;
5318 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5319 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5320 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5321 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5322 SendToICS(ics_prefix);
5324 if(startedFromSetupPosition || backwardMostMove != 0) {
5325 fen = PositionToFEN(backwardMostMove, NULL, 1);
5326 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5327 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5329 } else { // FICS: everything has to set by separate bsetup commands
5330 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5331 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5333 if(!WhiteOnMove(backwardMostMove)) {
5334 SendToICS("bsetup tomove black\n");
5336 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5337 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5339 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5340 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5342 i = boards[backwardMostMove][EP_STATUS];
5343 if(i >= 0) { // set e.p.
5344 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5350 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5351 SendToICS("bsetup done\n"); // switch to normal examining.
5353 for(i = backwardMostMove; i<last; i++) {
5355 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5356 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5357 int len = strlen(moveList[i]);
5358 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5359 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5363 SendToICS(ics_prefix);
5364 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5367 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5371 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5373 if (rf == DROP_RANK) {
5374 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5375 sprintf(move, "%c@%c%c\n",
5376 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5378 if (promoChar == 'x' || promoChar == NULLCHAR) {
5379 sprintf(move, "%c%c%c%c\n",
5380 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5381 if(killX >= 0 && killY >= 0) {
5382 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5383 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5386 sprintf(move, "%c%c%c%c%c\n",
5387 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5388 if(killX >= 0 && killY >= 0) {
5389 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5390 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5397 ProcessICSInitScript (FILE *f)
5401 while (fgets(buf, MSG_SIZ, f)) {
5402 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5409 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5411 static ClickType lastClickType;
5414 PieceInString (char *s, ChessSquare piece)
5416 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5417 while((p = strchr(s, ID))) {
5418 if(!suffix || p[1] == suffix) return TRUE;
5425 Partner (ChessSquare *p)
5426 { // change piece into promotion partner if one shogi-promotes to the other
5427 ChessSquare partner = promoPartner[*p];
5428 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5429 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5437 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5438 static int toggleFlag;
5439 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5440 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5441 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5442 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5443 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5444 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5446 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5447 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5448 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5449 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5450 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5451 if(!step) step = -1;
5452 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5453 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5454 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5455 promoSweep == pawn ||
5456 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5457 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5459 int victim = boards[currentMove][toY][toX];
5460 boards[currentMove][toY][toX] = promoSweep;
5461 DrawPosition(FALSE, boards[currentMove]);
5462 boards[currentMove][toY][toX] = victim;
5464 ChangeDragPiece(promoSweep);
5468 PromoScroll (int x, int y)
5472 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5473 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5474 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5475 if(!step) return FALSE;
5476 lastX = x; lastY = y;
5477 if((promoSweep < BlackPawn) == flipView) step = -step;
5478 if(step > 0) selectFlag = 1;
5479 if(!selectFlag) Sweep(step);
5484 NextPiece (int step)
5486 ChessSquare piece = boards[currentMove][toY][toX];
5489 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5490 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5491 if(!step) step = -1;
5492 } while(PieceToChar(pieceSweep) == '.');
5493 boards[currentMove][toY][toX] = pieceSweep;
5494 DrawPosition(FALSE, boards[currentMove]);
5495 boards[currentMove][toY][toX] = piece;
5497 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5499 AlphaRank (char *move, int n)
5501 // char *p = move, c; int x, y;
5503 if (appData.debugMode) {
5504 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5508 move[2]>='0' && move[2]<='9' &&
5509 move[3]>='a' && move[3]<='x' ) {
5511 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5512 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5514 if(move[0]>='0' && move[0]<='9' &&
5515 move[1]>='a' && move[1]<='x' &&
5516 move[2]>='0' && move[2]<='9' &&
5517 move[3]>='a' && move[3]<='x' ) {
5518 /* input move, Shogi -> normal */
5519 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5520 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5521 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5522 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5525 move[3]>='0' && move[3]<='9' &&
5526 move[2]>='a' && move[2]<='x' ) {
5528 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5529 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5532 move[0]>='a' && move[0]<='x' &&
5533 move[3]>='0' && move[3]<='9' &&
5534 move[2]>='a' && move[2]<='x' ) {
5535 /* output move, normal -> Shogi */
5536 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5537 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5538 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5539 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5540 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5542 if (appData.debugMode) {
5543 fprintf(debugFP, " out = '%s'\n", move);
5547 char yy_textstr[8000];
5549 /* Parser for moves from gnuchess, ICS, or user typein box */
5551 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5553 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5555 switch (*moveType) {
5556 case WhitePromotion:
5557 case BlackPromotion:
5558 case WhiteNonPromotion:
5559 case BlackNonPromotion:
5562 case WhiteCapturesEnPassant:
5563 case BlackCapturesEnPassant:
5564 case WhiteKingSideCastle:
5565 case WhiteQueenSideCastle:
5566 case BlackKingSideCastle:
5567 case BlackQueenSideCastle:
5568 case WhiteKingSideCastleWild:
5569 case WhiteQueenSideCastleWild:
5570 case BlackKingSideCastleWild:
5571 case BlackQueenSideCastleWild:
5572 /* Code added by Tord: */
5573 case WhiteHSideCastleFR:
5574 case WhiteASideCastleFR:
5575 case BlackHSideCastleFR:
5576 case BlackASideCastleFR:
5577 /* End of code added by Tord */
5578 case IllegalMove: /* bug or odd chess variant */
5579 if(currentMoveString[1] == '@') { // illegal drop
5580 *fromX = WhiteOnMove(moveNum) ?
5581 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5582 (int) CharToPiece(ToLower(currentMoveString[0]));
5585 *fromX = currentMoveString[0] - AAA;
5586 *fromY = currentMoveString[1] - ONE;
5587 *toX = currentMoveString[2] - AAA;
5588 *toY = currentMoveString[3] - ONE;
5589 *promoChar = currentMoveString[4];
5590 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5591 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5592 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5593 if (appData.debugMode) {
5594 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5596 *fromX = *fromY = *toX = *toY = 0;
5599 if (appData.testLegality) {
5600 return (*moveType != IllegalMove);
5602 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5603 // [HGM] lion: if this is a double move we are less critical
5604 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5609 *fromX = *moveType == WhiteDrop ?
5610 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5611 (int) CharToPiece(ToLower(currentMoveString[0]));
5614 *toX = currentMoveString[2] - AAA;
5615 *toY = currentMoveString[3] - ONE;
5616 *promoChar = NULLCHAR;
5620 case ImpossibleMove:
5630 if (appData.debugMode) {
5631 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5634 *fromX = *fromY = *toX = *toY = 0;
5635 *promoChar = NULLCHAR;
5640 Boolean pushed = FALSE;
5641 char *lastParseAttempt;
5644 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5645 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5646 int fromX, fromY, toX, toY; char promoChar;
5651 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5652 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5653 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5656 endPV = forwardMostMove;
5658 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5659 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5660 lastParseAttempt = pv;
5661 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5662 if(!valid && nr == 0 &&
5663 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5664 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5665 // Hande case where played move is different from leading PV move
5666 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5667 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5668 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5669 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5670 endPV += 2; // if position different, keep this
5671 moveList[endPV-1][0] = fromX + AAA;
5672 moveList[endPV-1][1] = fromY + ONE;
5673 moveList[endPV-1][2] = toX + AAA;
5674 moveList[endPV-1][3] = toY + ONE;
5675 parseList[endPV-1][0] = NULLCHAR;
5676 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5679 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5680 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5681 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5682 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5683 valid++; // allow comments in PV
5687 if(endPV+1 > framePtr) break; // no space, truncate
5690 CopyBoard(boards[endPV], boards[endPV-1]);
5691 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5692 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5693 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5694 CoordsToAlgebraic(boards[endPV - 1],
5695 PosFlags(endPV - 1),
5696 fromY, fromX, toY, toX, promoChar,
5697 parseList[endPV - 1]);
5699 if(atEnd == 2) return; // used hidden, for PV conversion
5700 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5701 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5702 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5703 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5704 DrawPosition(TRUE, boards[currentMove]);
5708 MultiPV (ChessProgramState *cps, int kind)
5709 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5711 for(i=0; i<cps->nrOptions; i++) {
5712 char *s = cps->option[i].name;
5713 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5714 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5715 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5720 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5721 static int multi, pv_margin;
5722 static ChessProgramState *activeCps;
5725 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5727 int startPV, lineStart, origIndex = index;
5728 char *p, buf2[MSG_SIZ];
5729 ChessProgramState *cps = (pane ? &second : &first);
5731 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5732 lastX = x; lastY = y;
5733 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5734 lineStart = startPV = index;
5735 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5736 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5738 do{ while(buf[index] && buf[index] != '\n') index++;
5739 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5741 if(lineStart == 0 && gameMode == AnalyzeMode) {
5743 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5744 if(n == 0) { // click not on "fewer" or "more"
5745 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5746 pv_margin = cps->option[multi].value;
5747 activeCps = cps; // non-null signals margin adjustment
5749 } else if((multi = MultiPV(cps, 1)) >= 0) {
5750 n += cps->option[multi].value; if(n < 1) n = 1;
5751 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5752 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5753 cps->option[multi].value = n;
5757 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5758 ExcludeClick(origIndex - lineStart);
5760 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5761 Collapse(origIndex - lineStart);
5764 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5765 *start = startPV; *end = index-1;
5766 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5773 static char buf[10*MSG_SIZ];
5774 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5776 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5777 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5778 for(i = forwardMostMove; i<endPV; i++){
5779 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5780 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5783 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5784 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5785 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5791 LoadPV (int x, int y)
5792 { // called on right mouse click to load PV
5793 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5794 lastX = x; lastY = y;
5795 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5803 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5805 if(pv_margin != activeCps->option[multi].value) {
5807 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5808 SendToProgram(buf, activeCps);
5809 activeCps->option[multi].value = pv_margin;
5814 if(endPV < 0) return;
5815 if(appData.autoCopyPV) CopyFENToClipboard();
5817 if(extendGame && currentMove > forwardMostMove) {
5818 Boolean saveAnimate = appData.animate;
5820 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5821 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5822 } else storedGames--; // abandon shelved tail of original game
5825 forwardMostMove = currentMove;
5826 currentMove = oldFMM;
5827 appData.animate = FALSE;
5828 ToNrEvent(forwardMostMove);
5829 appData.animate = saveAnimate;
5831 currentMove = forwardMostMove;
5832 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5833 ClearPremoveHighlights();
5834 DrawPosition(TRUE, boards[currentMove]);
5838 MovePV (int x, int y, int h)
5839 { // step through PV based on mouse coordinates (called on mouse move)
5840 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5842 if(activeCps) { // adjusting engine's multi-pv margin
5843 if(x > lastX) pv_margin++; else
5844 if(x < lastX) pv_margin -= (pv_margin > 0);
5847 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5848 DisplayMessage(buf, "");
5853 // we must somehow check if right button is still down (might be released off board!)
5854 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5855 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5856 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5858 lastX = x; lastY = y;
5860 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5861 if(endPV < 0) return;
5862 if(y < margin) step = 1; else
5863 if(y > h - margin) step = -1;
5864 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5865 currentMove += step;
5866 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5867 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5868 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5869 DrawPosition(FALSE, boards[currentMove]);
5873 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5874 // All positions will have equal probability, but the current method will not provide a unique
5875 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5881 int piecesLeft[(int)BlackPawn];
5882 int seed, nrOfShuffles;
5885 GetPositionNumber ()
5886 { // sets global variable seed
5889 seed = appData.defaultFrcPosition;
5890 if(seed < 0) { // randomize based on time for negative FRC position numbers
5891 for(i=0; i<50; i++) seed += random();
5892 seed = random() ^ random() >> 8 ^ random() << 8;
5893 if(seed<0) seed = -seed;
5898 put (Board board, int pieceType, int rank, int n, int shade)
5899 // put the piece on the (n-1)-th empty squares of the given shade
5903 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5904 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5905 board[rank][i] = (ChessSquare) pieceType;
5906 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5908 piecesLeft[pieceType]--;
5917 AddOnePiece (Board board, int pieceType, int rank, int shade)
5918 // calculate where the next piece goes, (any empty square), and put it there
5922 i = seed % squaresLeft[shade];
5923 nrOfShuffles *= squaresLeft[shade];
5924 seed /= squaresLeft[shade];
5925 put(board, pieceType, rank, i, shade);
5929 AddTwoPieces (Board board, int pieceType, int rank)
5930 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5932 int i, n=squaresLeft[ANY], j=n-1, k;
5934 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5935 i = seed % k; // pick one
5938 while(i >= j) i -= j--;
5939 j = n - 1 - j; i += j;
5940 put(board, pieceType, rank, j, ANY);
5941 put(board, pieceType, rank, i, ANY);
5945 SetUpShuffle (Board board, int number)
5949 GetPositionNumber(); nrOfShuffles = 1;
5951 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5952 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5953 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5955 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5957 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5958 p = (int) board[0][i];
5959 if(p < (int) BlackPawn) piecesLeft[p] ++;
5960 board[0][i] = EmptySquare;
5963 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5964 // shuffles restricted to allow normal castling put KRR first
5965 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5966 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5967 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5968 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5969 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5970 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5971 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5972 put(board, WhiteRook, 0, 0, ANY);
5973 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5976 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5977 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5978 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5979 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5980 while(piecesLeft[p] >= 2) {
5981 AddOnePiece(board, p, 0, LITE);
5982 AddOnePiece(board, p, 0, DARK);
5984 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5987 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5988 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5989 // but we leave King and Rooks for last, to possibly obey FRC restriction
5990 if(p == (int)WhiteRook) continue;
5991 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5992 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5995 // now everything is placed, except perhaps King (Unicorn) and Rooks
5997 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5998 // Last King gets castling rights
5999 while(piecesLeft[(int)WhiteUnicorn]) {
6000 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6001 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6004 while(piecesLeft[(int)WhiteKing]) {
6005 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6006 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6011 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6012 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6015 // Only Rooks can be left; simply place them all
6016 while(piecesLeft[(int)WhiteRook]) {
6017 i = put(board, WhiteRook, 0, 0, ANY);
6018 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6021 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6023 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6026 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6027 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6030 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6034 ptclen (const char *s, char *escapes)
6037 if(!*escapes) return strlen(s);
6038 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6043 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6044 /* [HGM] moved here from winboard.c because of its general usefulness */
6045 /* Basically a safe strcpy that uses the last character as King */
6047 int result = FALSE; int NrPieces;
6048 unsigned char partner[EmptySquare];
6050 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6051 && NrPieces >= 12 && !(NrPieces&1)) {
6052 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6054 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6055 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6057 if(map[j] == '/') offs = WhitePBishop - i, j++;
6058 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6059 table[i+offs] = map[j++];
6060 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6061 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6062 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6064 table[(int) WhiteKing] = map[j++];
6065 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6067 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6068 i = WHITE_TO_BLACK ii;
6069 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6070 table[i+offs] = map[j++];
6071 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6072 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6073 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6075 table[(int) BlackKing] = map[j++];
6078 if(*escapes) { // set up promotion pairing
6079 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6080 // pieceToChar entirely filled, so we can look up specified partners
6081 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6083 if(c == '^' || c == '-') { // has specified partner
6085 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6086 if(c == '^') table[i] = '+';
6087 if(p < EmptySquare) {
6088 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6089 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6090 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6092 } else if(c == '*') {
6093 table[i] = partner[i];
6094 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6106 SetCharTable (unsigned char *table, const char * map)
6108 return SetCharTableEsc(table, map, "");
6112 Prelude (Board board)
6113 { // [HGM] superchess: random selection of exo-pieces
6114 int i, j, k; ChessSquare p;
6115 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6117 GetPositionNumber(); // use FRC position number
6119 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6120 SetCharTable(pieceToChar, appData.pieceToCharTable);
6121 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6122 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6125 j = seed%4; seed /= 4;
6126 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6127 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6128 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6129 j = seed%3 + (seed%3 >= j); seed /= 3;
6130 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6133 j = seed%3; seed /= 3;
6134 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6135 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6136 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6137 j = seed%2 + (seed%2 >= j); seed /= 2;
6138 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6139 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6140 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6141 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6142 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6143 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6144 put(board, exoPieces[0], 0, 0, ANY);
6145 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6149 InitPosition (int redraw)
6151 ChessSquare (* pieces)[BOARD_FILES];
6152 int i, j, pawnRow=1, pieceRows=1, overrule,
6153 oldx = gameInfo.boardWidth,
6154 oldy = gameInfo.boardHeight,
6155 oldh = gameInfo.holdingsWidth;
6158 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6160 /* [AS] Initialize pv info list [HGM] and game status */
6162 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6163 pvInfoList[i].depth = 0;
6164 boards[i][EP_STATUS] = EP_NONE;
6165 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6168 initialRulePlies = 0; /* 50-move counter start */
6170 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6171 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6175 /* [HGM] logic here is completely changed. In stead of full positions */
6176 /* the initialized data only consist of the two backranks. The switch */
6177 /* selects which one we will use, which is than copied to the Board */
6178 /* initialPosition, which for the rest is initialized by Pawns and */
6179 /* empty squares. This initial position is then copied to boards[0], */
6180 /* possibly after shuffling, so that it remains available. */
6182 gameInfo.holdingsWidth = 0; /* default board sizes */
6183 gameInfo.boardWidth = 8;
6184 gameInfo.boardHeight = 8;
6185 gameInfo.holdingsSize = 0;
6186 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6187 for(i=0; i<BOARD_FILES-6; i++)
6188 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6189 initialPosition[EP_STATUS] = EP_NONE;
6190 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6191 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6192 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6193 SetCharTable(pieceNickName, appData.pieceNickNames);
6194 else SetCharTable(pieceNickName, "............");
6197 switch (gameInfo.variant) {
6198 case VariantFischeRandom:
6199 shuffleOpenings = TRUE;
6200 appData.fischerCastling = TRUE;
6203 case VariantShatranj:
6204 pieces = ShatranjArray;
6205 nrCastlingRights = 0;
6206 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6209 pieces = makrukArray;
6210 nrCastlingRights = 0;
6211 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6214 pieces = aseanArray;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6218 case VariantTwoKings:
6219 pieces = twoKingsArray;
6222 pieces = GrandArray;
6223 nrCastlingRights = 0;
6224 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6225 gameInfo.boardWidth = 10;
6226 gameInfo.boardHeight = 10;
6227 gameInfo.holdingsSize = 7;
6229 case VariantCapaRandom:
6230 shuffleOpenings = TRUE;
6231 appData.fischerCastling = TRUE;
6232 case VariantCapablanca:
6233 pieces = CapablancaArray;
6234 gameInfo.boardWidth = 10;
6235 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6238 pieces = GothicArray;
6239 gameInfo.boardWidth = 10;
6240 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6243 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6244 gameInfo.holdingsSize = 7;
6245 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6248 pieces = JanusArray;
6249 gameInfo.boardWidth = 10;
6250 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6251 nrCastlingRights = 6;
6252 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6253 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6254 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6255 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6256 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6257 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6260 pieces = FalconArray;
6261 gameInfo.boardWidth = 10;
6262 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6264 case VariantXiangqi:
6265 pieces = XiangqiArray;
6266 gameInfo.boardWidth = 9;
6267 gameInfo.boardHeight = 10;
6268 nrCastlingRights = 0;
6269 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6272 pieces = ShogiArray;
6273 gameInfo.boardWidth = 9;
6274 gameInfo.boardHeight = 9;
6275 gameInfo.holdingsSize = 7;
6276 nrCastlingRights = 0;
6277 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6280 pieces = ChuArray; pieceRows = 3;
6281 gameInfo.boardWidth = 12;
6282 gameInfo.boardHeight = 12;
6283 nrCastlingRights = 0;
6284 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6285 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6286 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"
6287 "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);
6289 case VariantCourier:
6290 pieces = CourierArray;
6291 gameInfo.boardWidth = 12;
6292 nrCastlingRights = 0;
6293 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6295 case VariantKnightmate:
6296 pieces = KnightmateArray;
6297 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6299 case VariantSpartan:
6300 pieces = SpartanArray;
6301 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6305 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6307 case VariantChuChess:
6308 pieces = ChuChessArray;
6309 gameInfo.boardWidth = 10;
6310 gameInfo.boardHeight = 10;
6311 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6314 pieces = fairyArray;
6315 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6318 pieces = GreatArray;
6319 gameInfo.boardWidth = 10;
6320 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6321 gameInfo.holdingsSize = 8;
6325 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6326 gameInfo.holdingsSize = 8;
6327 startedFromSetupPosition = TRUE;
6329 case VariantCrazyhouse:
6330 case VariantBughouse:
6332 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6333 gameInfo.holdingsSize = 5;
6335 case VariantWildCastle:
6337 /* !!?shuffle with kings guaranteed to be on d or e file */
6338 shuffleOpenings = 1;
6340 case VariantNoCastle:
6342 nrCastlingRights = 0;
6343 /* !!?unconstrained back-rank shuffle */
6344 shuffleOpenings = 1;
6349 if(appData.NrFiles >= 0) {
6350 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6351 gameInfo.boardWidth = appData.NrFiles;
6353 if(appData.NrRanks >= 0) {
6354 gameInfo.boardHeight = appData.NrRanks;
6356 if(appData.holdingsSize >= 0) {
6357 i = appData.holdingsSize;
6358 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6359 gameInfo.holdingsSize = i;
6361 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6362 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6363 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6365 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6366 if(pawnRow < 1) pawnRow = 1;
6367 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6368 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6369 if(gameInfo.variant == VariantChu) pawnRow = 3;
6371 /* User pieceToChar list overrules defaults */
6372 if(appData.pieceToCharTable != NULL)
6373 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6375 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6377 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6378 s = (ChessSquare) 0; /* account holding counts in guard band */
6379 for( i=0; i<BOARD_HEIGHT; i++ )
6380 initialPosition[i][j] = s;
6382 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6383 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6384 initialPosition[pawnRow][j] = WhitePawn;
6385 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6386 if(gameInfo.variant == VariantXiangqi) {
6388 initialPosition[pawnRow][j] =
6389 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6390 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6391 initialPosition[2][j] = WhiteCannon;
6392 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6396 if(gameInfo.variant == VariantChu) {
6397 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6398 initialPosition[pawnRow+1][j] = WhiteCobra,
6399 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6400 for(i=1; i<pieceRows; i++) {
6401 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6402 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6405 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6406 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6407 initialPosition[0][j] = WhiteRook;
6408 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6411 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6413 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6414 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6417 initialPosition[1][j] = WhiteBishop;
6418 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6420 initialPosition[1][j] = WhiteRook;
6421 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6424 if( nrCastlingRights == -1) {
6425 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6426 /* This sets default castling rights from none to normal corners */
6427 /* Variants with other castling rights must set them themselves above */
6428 nrCastlingRights = 6;
6430 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6431 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6432 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6433 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6434 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6435 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6438 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6439 if(gameInfo.variant == VariantGreat) { // promotion commoners
6440 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6441 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6442 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6443 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6445 if( gameInfo.variant == VariantSChess ) {
6446 initialPosition[1][0] = BlackMarshall;
6447 initialPosition[2][0] = BlackAngel;
6448 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6449 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6450 initialPosition[1][1] = initialPosition[2][1] =
6451 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6453 if (appData.debugMode) {
6454 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6456 if(shuffleOpenings) {
6457 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6458 startedFromSetupPosition = TRUE;
6460 if(startedFromPositionFile) {
6461 /* [HGM] loadPos: use PositionFile for every new game */
6462 CopyBoard(initialPosition, filePosition);
6463 for(i=0; i<nrCastlingRights; i++)
6464 initialRights[i] = filePosition[CASTLING][i];
6465 startedFromSetupPosition = TRUE;
6467 if(*appData.men) LoadPieceDesc(appData.men);
6469 CopyBoard(boards[0], initialPosition);
6471 if(oldx != gameInfo.boardWidth ||
6472 oldy != gameInfo.boardHeight ||
6473 oldv != gameInfo.variant ||
6474 oldh != gameInfo.holdingsWidth
6476 InitDrawingSizes(-2 ,0);
6478 oldv = gameInfo.variant;
6480 DrawPosition(TRUE, boards[currentMove]);
6484 SendBoard (ChessProgramState *cps, int moveNum)
6486 char message[MSG_SIZ];
6488 if (cps->useSetboard) {
6489 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6490 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6491 SendToProgram(message, cps);
6496 int i, j, left=0, right=BOARD_WIDTH;
6497 /* Kludge to set black to move, avoiding the troublesome and now
6498 * deprecated "black" command.
6500 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6501 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6503 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6505 SendToProgram("edit\n", cps);
6506 SendToProgram("#\n", cps);
6507 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6508 bp = &boards[moveNum][i][left];
6509 for (j = left; j < right; j++, bp++) {
6510 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6511 if ((int) *bp < (int) BlackPawn) {
6512 if(j == BOARD_RGHT+1)
6513 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6514 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6515 if(message[0] == '+' || message[0] == '~') {
6516 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6517 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6518 AAA + j, ONE + i - '0');
6520 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6521 message[1] = BOARD_RGHT - 1 - j + '1';
6522 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6524 SendToProgram(message, cps);
6529 SendToProgram("c\n", cps);
6530 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6531 bp = &boards[moveNum][i][left];
6532 for (j = left; j < right; j++, bp++) {
6533 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6534 if (((int) *bp != (int) EmptySquare)
6535 && ((int) *bp >= (int) BlackPawn)) {
6536 if(j == BOARD_LEFT-2)
6537 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6538 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6539 AAA + j, ONE + i - '0');
6540 if(message[0] == '+' || message[0] == '~') {
6541 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6542 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6543 AAA + j, ONE + i - '0');
6545 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6546 message[1] = BOARD_RGHT - 1 - j + '1';
6547 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6549 SendToProgram(message, cps);
6554 SendToProgram(".\n", cps);
6556 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6559 char exclusionHeader[MSG_SIZ];
6560 int exCnt, excludePtr;
6561 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6562 static Exclusion excluTab[200];
6563 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6569 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6570 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6576 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6577 excludePtr = 24; exCnt = 0;
6582 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6583 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6584 char buf[2*MOVE_LEN], *p;
6585 Exclusion *e = excluTab;
6587 for(i=0; i<exCnt; i++)
6588 if(e[i].ff == fromX && e[i].fr == fromY &&
6589 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6590 if(i == exCnt) { // was not in exclude list; add it
6591 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6592 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6593 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6596 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6597 excludePtr++; e[i].mark = excludePtr++;
6598 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6601 exclusionHeader[e[i].mark] = state;
6605 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6606 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6610 if((signed char)promoChar == -1) { // kludge to indicate best move
6611 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6612 return 1; // if unparsable, abort
6614 // update exclusion map (resolving toggle by consulting existing state)
6615 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6617 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6618 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6619 excludeMap[k] |= 1<<j;
6620 else excludeMap[k] &= ~(1<<j);
6622 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6624 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6625 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6627 return (state == '+');
6631 ExcludeClick (int index)
6634 Exclusion *e = excluTab;
6635 if(index < 25) { // none, best or tail clicked
6636 if(index < 13) { // none: include all
6637 WriteMap(0); // clear map
6638 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6639 SendToBoth("include all\n"); // and inform engine
6640 } else if(index > 18) { // tail
6641 if(exclusionHeader[19] == '-') { // tail was excluded
6642 SendToBoth("include all\n");
6643 WriteMap(0); // clear map completely
6644 // now re-exclude selected moves
6645 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6646 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6647 } else { // tail was included or in mixed state
6648 SendToBoth("exclude all\n");
6649 WriteMap(0xFF); // fill map completely
6650 // now re-include selected moves
6651 j = 0; // count them
6652 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6653 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6654 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6657 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6660 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6661 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6662 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6669 DefaultPromoChoice (int white)
6672 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6673 gameInfo.variant == VariantMakruk)
6674 result = WhiteFerz; // no choice
6675 else if(gameInfo.variant == VariantASEAN)
6676 result = WhiteRook; // no choice
6677 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6678 result= WhiteKing; // in Suicide Q is the last thing we want
6679 else if(gameInfo.variant == VariantSpartan)
6680 result = white ? WhiteQueen : WhiteAngel;
6681 else result = WhiteQueen;
6682 if(!white) result = WHITE_TO_BLACK result;
6686 static int autoQueen; // [HGM] oneclick
6689 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6691 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6692 /* [HGM] add Shogi promotions */
6693 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6694 ChessSquare piece, partner;
6698 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6699 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6701 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6702 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6705 if(legal[toY][toX] == 4) return FALSE;
6707 piece = boards[currentMove][fromY][fromX];
6708 if(gameInfo.variant == VariantChu) {
6709 promotionZoneSize = BOARD_HEIGHT/3;
6710 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6711 } else if(gameInfo.variant == VariantShogi) {
6712 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6713 highestPromotingPiece = (int)WhiteAlfil;
6714 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6715 promotionZoneSize = 3;
6718 // Treat Lance as Pawn when it is not representing Amazon or Lance
6719 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6720 if(piece == WhiteLance) piece = WhitePawn; else
6721 if(piece == BlackLance) piece = BlackPawn;
6724 // next weed out all moves that do not touch the promotion zone at all
6725 if((int)piece >= BlackPawn) {
6726 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6728 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6729 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6731 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6732 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6733 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6737 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6739 // weed out mandatory Shogi promotions
6740 if(gameInfo.variant == VariantShogi) {
6741 if(piece >= BlackPawn) {
6742 if(toY == 0 && piece == BlackPawn ||
6743 toY == 0 && piece == BlackQueen ||
6744 toY <= 1 && piece == BlackKnight) {
6749 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6750 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6751 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6758 // weed out obviously illegal Pawn moves
6759 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6760 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6761 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6762 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6763 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6764 // note we are not allowed to test for valid (non-)capture, due to premove
6767 // we either have a choice what to promote to, or (in Shogi) whether to promote
6768 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6769 gameInfo.variant == VariantMakruk) {
6770 ChessSquare p=BlackFerz; // no choice
6771 while(p < EmptySquare) { //but make sure we use piece that exists
6772 *promoChoice = PieceToChar(p++);
6773 if(*promoChoice != '.') break;
6775 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6777 // no sense asking what we must promote to if it is going to explode...
6778 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6779 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6782 // give caller the default choice even if we will not make it
6783 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6784 partner = piece; // pieces can promote if the pieceToCharTable says so
6785 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6786 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6787 if( sweepSelect && gameInfo.variant != VariantGreat
6788 && gameInfo.variant != VariantGrand
6789 && gameInfo.variant != VariantSuper) return FALSE;
6790 if(autoQueen) return FALSE; // predetermined
6792 // suppress promotion popup on illegal moves that are not premoves
6793 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6794 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6795 if(appData.testLegality && !premove) {
6796 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6797 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6798 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6799 if(moveType != WhitePromotion && moveType != BlackPromotion)
6807 InPalace (int row, int column)
6808 { /* [HGM] for Xiangqi */
6809 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6810 column < (BOARD_WIDTH + 4)/2 &&
6811 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6816 PieceForSquare (int x, int y)
6818 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6821 return boards[currentMove][y][x];
6825 OKToStartUserMove (int x, int y)
6827 ChessSquare from_piece;
6830 if (matchMode) return FALSE;
6831 if (gameMode == EditPosition) return TRUE;
6833 if (x >= 0 && y >= 0)
6834 from_piece = boards[currentMove][y][x];
6836 from_piece = EmptySquare;
6838 if (from_piece == EmptySquare) return FALSE;
6840 white_piece = (int)from_piece >= (int)WhitePawn &&
6841 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6845 case TwoMachinesPlay:
6853 case MachinePlaysWhite:
6854 case IcsPlayingBlack:
6855 if (appData.zippyPlay) return FALSE;
6857 DisplayMoveError(_("You are playing Black"));
6862 case MachinePlaysBlack:
6863 case IcsPlayingWhite:
6864 if (appData.zippyPlay) return FALSE;
6866 DisplayMoveError(_("You are playing White"));
6871 case PlayFromGameFile:
6872 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6875 if (!white_piece && WhiteOnMove(currentMove)) {
6876 DisplayMoveError(_("It is White's turn"));
6879 if (white_piece && !WhiteOnMove(currentMove)) {
6880 DisplayMoveError(_("It is Black's turn"));
6883 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6884 /* Editing correspondence game history */
6885 /* Could disallow this or prompt for confirmation */
6890 case BeginningOfGame:
6891 if (appData.icsActive) return FALSE;
6892 if (!appData.noChessProgram) {
6894 DisplayMoveError(_("You are playing White"));
6901 if (!white_piece && WhiteOnMove(currentMove)) {
6902 DisplayMoveError(_("It is White's turn"));
6905 if (white_piece && !WhiteOnMove(currentMove)) {
6906 DisplayMoveError(_("It is Black's turn"));
6915 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6916 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6917 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6918 && gameMode != AnalyzeFile && gameMode != Training) {
6919 DisplayMoveError(_("Displayed position is not current"));
6926 OnlyMove (int *x, int *y, Boolean captures)
6928 DisambiguateClosure cl;
6929 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6931 case MachinePlaysBlack:
6932 case IcsPlayingWhite:
6933 case BeginningOfGame:
6934 if(!WhiteOnMove(currentMove)) return FALSE;
6936 case MachinePlaysWhite:
6937 case IcsPlayingBlack:
6938 if(WhiteOnMove(currentMove)) return FALSE;
6945 cl.pieceIn = EmptySquare;
6950 cl.promoCharIn = NULLCHAR;
6951 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6952 if( cl.kind == NormalMove ||
6953 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6954 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6955 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6962 if(cl.kind != ImpossibleMove) return FALSE;
6963 cl.pieceIn = EmptySquare;
6968 cl.promoCharIn = NULLCHAR;
6969 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6970 if( cl.kind == NormalMove ||
6971 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6972 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6973 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6978 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6984 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6985 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6986 int lastLoadGameUseList = FALSE;
6987 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6988 ChessMove lastLoadGameStart = EndOfFile;
6990 Boolean addToBookFlag;
6991 static Board rightsBoard, nullBoard;
6994 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6998 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7000 /* Check if the user is playing in turn. This is complicated because we
7001 let the user "pick up" a piece before it is his turn. So the piece he
7002 tried to pick up may have been captured by the time he puts it down!
7003 Therefore we use the color the user is supposed to be playing in this
7004 test, not the color of the piece that is currently on the starting
7005 square---except in EditGame mode, where the user is playing both
7006 sides; fortunately there the capture race can't happen. (It can
7007 now happen in IcsExamining mode, but that's just too bad. The user
7008 will get a somewhat confusing message in that case.)
7013 case TwoMachinesPlay:
7017 /* We switched into a game mode where moves are not accepted,
7018 perhaps while the mouse button was down. */
7021 case MachinePlaysWhite:
7022 /* User is moving for Black */
7023 if (WhiteOnMove(currentMove)) {
7024 DisplayMoveError(_("It is White's turn"));
7029 case MachinePlaysBlack:
7030 /* User is moving for White */
7031 if (!WhiteOnMove(currentMove)) {
7032 DisplayMoveError(_("It is Black's turn"));
7037 case PlayFromGameFile:
7038 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7041 case BeginningOfGame:
7044 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7045 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7046 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7047 /* User is moving for Black */
7048 if (WhiteOnMove(currentMove)) {
7049 DisplayMoveError(_("It is White's turn"));
7053 /* User is moving for White */
7054 if (!WhiteOnMove(currentMove)) {
7055 DisplayMoveError(_("It is Black's turn"));
7061 case IcsPlayingBlack:
7062 /* User is moving for Black */
7063 if (WhiteOnMove(currentMove)) {
7064 if (!appData.premove) {
7065 DisplayMoveError(_("It is White's turn"));
7066 } else if (toX >= 0 && toY >= 0) {
7069 premoveFromX = fromX;
7070 premoveFromY = fromY;
7071 premovePromoChar = promoChar;
7073 if (appData.debugMode)
7074 fprintf(debugFP, "Got premove: fromX %d,"
7075 "fromY %d, toX %d, toY %d\n",
7076 fromX, fromY, toX, toY);
7078 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7083 case IcsPlayingWhite:
7084 /* User is moving for White */
7085 if (!WhiteOnMove(currentMove)) {
7086 if (!appData.premove) {
7087 DisplayMoveError(_("It is Black's turn"));
7088 } else if (toX >= 0 && toY >= 0) {
7091 premoveFromX = fromX;
7092 premoveFromY = fromY;
7093 premovePromoChar = promoChar;
7095 if (appData.debugMode)
7096 fprintf(debugFP, "Got premove: fromX %d,"
7097 "fromY %d, toX %d, toY %d\n",
7098 fromX, fromY, toX, toY);
7100 DrawPosition(TRUE, boards[currentMove]);
7109 /* EditPosition, empty square, or different color piece;
7110 click-click move is possible */
7111 if (toX == -2 || toY == -2) {
7112 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7113 DrawPosition(FALSE, boards[currentMove]);
7115 } else if (toX >= 0 && toY >= 0) {
7116 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7117 ChessSquare p = boards[0][rf][ff];
7118 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7119 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7120 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7121 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7122 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7125 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7126 boards[0][toY][toX] = boards[0][fromY][fromX];
7127 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7128 if(boards[0][fromY][0] != EmptySquare) {
7129 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7130 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7133 if(fromX == BOARD_RGHT+1) {
7134 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7135 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7136 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7139 boards[0][fromY][fromX] = gatingPiece;
7141 DrawPosition(FALSE, boards[currentMove]);
7147 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7148 pup = boards[currentMove][toY][toX];
7150 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7151 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7152 if( pup != EmptySquare ) return;
7153 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7154 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7155 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7156 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7157 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7158 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7159 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7163 /* [HGM] always test for legality, to get promotion info */
7164 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7165 fromY, fromX, toY, toX, promoChar);
7167 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7169 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7171 /* [HGM] but possibly ignore an IllegalMove result */
7172 if (appData.testLegality) {
7173 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7174 DisplayMoveError(_("Illegal move"));
7179 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7180 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7181 ClearPremoveHighlights(); // was included
7182 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7183 DrawPosition(FALSE, NULL);
7187 if(addToBookFlag) { // adding moves to book
7188 char buf[MSG_SIZ], move[MSG_SIZ];
7189 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7190 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7191 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7192 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7194 addToBookFlag = FALSE;
7199 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7202 /* Common tail of UserMoveEvent and DropMenuEvent */
7204 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7208 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7209 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7210 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7211 if(WhiteOnMove(currentMove)) {
7212 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7214 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7218 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7219 move type in caller when we know the move is a legal promotion */
7220 if(moveType == NormalMove && promoChar)
7221 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7223 /* [HGM] <popupFix> The following if has been moved here from
7224 UserMoveEvent(). Because it seemed to belong here (why not allow
7225 piece drops in training games?), and because it can only be
7226 performed after it is known to what we promote. */
7227 if (gameMode == Training) {
7228 /* compare the move played on the board to the next move in the
7229 * game. If they match, display the move and the opponent's response.
7230 * If they don't match, display an error message.
7234 CopyBoard(testBoard, boards[currentMove]);
7235 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7237 if (CompareBoards(testBoard, boards[currentMove+1])) {
7238 ForwardInner(currentMove+1);
7240 /* Autoplay the opponent's response.
7241 * if appData.animate was TRUE when Training mode was entered,
7242 * the response will be animated.
7244 saveAnimate = appData.animate;
7245 appData.animate = animateTraining;
7246 ForwardInner(currentMove+1);
7247 appData.animate = saveAnimate;
7249 /* check for the end of the game */
7250 if (currentMove >= forwardMostMove) {
7251 gameMode = PlayFromGameFile;
7253 SetTrainingModeOff();
7254 DisplayInformation(_("End of game"));
7257 DisplayError(_("Incorrect move"), 0);
7262 /* Ok, now we know that the move is good, so we can kill
7263 the previous line in Analysis Mode */
7264 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7265 && currentMove < forwardMostMove) {
7266 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7267 else forwardMostMove = currentMove;
7272 /* If we need the chess program but it's dead, restart it */
7273 ResurrectChessProgram();
7275 /* A user move restarts a paused game*/
7279 thinkOutput[0] = NULLCHAR;
7281 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7283 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7284 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7288 if (gameMode == BeginningOfGame) {
7289 if (appData.noChessProgram) {
7290 gameMode = EditGame;
7294 gameMode = MachinePlaysBlack;
7297 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7299 if (first.sendName) {
7300 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7301 SendToProgram(buf, &first);
7308 /* Relay move to ICS or chess engine */
7309 if (appData.icsActive) {
7310 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7311 gameMode == IcsExamining) {
7312 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7313 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7315 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7317 // also send plain move, in case ICS does not understand atomic claims
7318 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7322 if (first.sendTime && (gameMode == BeginningOfGame ||
7323 gameMode == MachinePlaysWhite ||
7324 gameMode == MachinePlaysBlack)) {
7325 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7327 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7328 // [HGM] book: if program might be playing, let it use book
7329 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7330 first.maybeThinking = TRUE;
7331 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7332 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7333 SendBoard(&first, currentMove+1);
7334 if(second.analyzing) {
7335 if(!second.useSetboard) SendToProgram("undo\n", &second);
7336 SendBoard(&second, currentMove+1);
7339 SendMoveToProgram(forwardMostMove-1, &first);
7340 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7342 if (currentMove == cmailOldMove + 1) {
7343 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7347 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7351 if(appData.testLegality)
7352 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7358 if (WhiteOnMove(currentMove)) {
7359 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7361 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7365 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7370 case MachinePlaysBlack:
7371 case MachinePlaysWhite:
7372 /* disable certain menu options while machine is thinking */
7373 SetMachineThinkingEnables();
7380 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7381 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7383 if(bookHit) { // [HGM] book: simulate book reply
7384 static char bookMove[MSG_SIZ]; // a bit generous?
7386 programStats.nodes = programStats.depth = programStats.time =
7387 programStats.score = programStats.got_only_move = 0;
7388 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7390 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7391 strcat(bookMove, bookHit);
7392 HandleMachineMove(bookMove, &first);
7398 MarkByFEN(char *fen)
7401 if(!appData.markers || !appData.highlightDragging) return;
7402 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7403 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7406 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7407 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7408 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7409 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7410 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7411 if(*fen == 'T') marker[r][f++] = 0; else
7412 if(*fen == 'Y') marker[r][f++] = 1; else
7413 if(*fen == 'G') marker[r][f++] = 3; else
7414 if(*fen == 'B') marker[r][f++] = 4; else
7415 if(*fen == 'C') marker[r][f++] = 5; else
7416 if(*fen == 'M') marker[r][f++] = 6; else
7417 if(*fen == 'W') marker[r][f++] = 7; else
7418 if(*fen == 'D') marker[r][f++] = 8; else
7419 if(*fen == 'R') marker[r][f++] = 2; else {
7420 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7423 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7427 DrawPosition(TRUE, NULL);
7430 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7433 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7435 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7436 Markers *m = (Markers *) closure;
7437 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7438 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7439 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7440 || kind == WhiteCapturesEnPassant
7441 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7442 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7445 static int hoverSavedValid;
7448 MarkTargetSquares (int clear)
7451 if(clear) { // no reason to ever suppress clearing
7452 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7453 hoverSavedValid = 0;
7454 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7457 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7458 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7459 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7460 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7461 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7463 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7466 DrawPosition(FALSE, NULL);
7470 Explode (Board board, int fromX, int fromY, int toX, int toY)
7472 if(gameInfo.variant == VariantAtomic &&
7473 (board[toY][toX] != EmptySquare || // capture?
7474 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7475 board[fromY][fromX] == BlackPawn )
7477 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7483 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7486 CanPromote (ChessSquare piece, int y)
7488 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7489 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7490 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7491 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7492 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7493 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7494 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7495 return (piece == BlackPawn && y <= zone ||
7496 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7497 piece == BlackLance && y <= zone ||
7498 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7502 HoverEvent (int xPix, int yPix, int x, int y)
7504 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7506 if(!first.highlight) return;
7507 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7508 if(x == oldX && y == oldY) return; // only do something if we enter new square
7509 oldFromX = fromX; oldFromY = fromY;
7510 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7511 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7512 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7513 hoverSavedValid = 1;
7514 } else if(oldX != x || oldY != y) {
7515 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7516 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7517 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7518 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7519 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7521 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7522 SendToProgram(buf, &first);
7525 // SetHighlights(fromX, fromY, x, y);
7529 void ReportClick(char *action, int x, int y)
7531 char buf[MSG_SIZ]; // Inform engine of what user does
7533 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7534 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7535 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7536 if(!first.highlight || gameMode == EditPosition) return;
7537 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7538 SendToProgram(buf, &first);
7541 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7542 Boolean deferChoice;
7545 LeftClick (ClickType clickType, int xPix, int yPix)
7548 static Boolean saveAnimate;
7549 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7550 char promoChoice = NULLCHAR;
7552 static TimeMark lastClickTime, prevClickTime;
7554 if(flashing) return;
7556 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7557 x = EventToSquare(xPix, BOARD_WIDTH);
7558 y = EventToSquare(yPix, BOARD_HEIGHT);
7559 if (!flipView && y >= 0) {
7560 y = BOARD_HEIGHT - 1 - y;
7562 if (flipView && x >= 0) {
7563 x = BOARD_WIDTH - 1 - x;
7566 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7568 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7573 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7575 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7577 if (clickType == Press) ErrorPopDown();
7578 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7580 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7581 defaultPromoChoice = promoSweep;
7582 promoSweep = EmptySquare; // terminate sweep
7583 promoDefaultAltered = TRUE;
7584 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7587 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7588 if(clickType == Release) return; // ignore upclick of click-click destination
7589 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7590 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7591 if(gameInfo.holdingsWidth &&
7592 (WhiteOnMove(currentMove)
7593 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7594 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7595 // click in right holdings, for determining promotion piece
7596 ChessSquare p = boards[currentMove][y][x];
7597 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7598 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7599 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7600 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7605 DrawPosition(FALSE, boards[currentMove]);
7609 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7610 if(clickType == Press
7611 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7612 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7613 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7616 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7617 // could be static click on premove from-square: abort premove
7619 ClearPremoveHighlights();
7622 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7623 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7625 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7626 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7627 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7628 defaultPromoChoice = DefaultPromoChoice(side);
7631 autoQueen = appData.alwaysPromoteToQueen;
7635 gatingPiece = EmptySquare;
7636 if (clickType != Press) {
7637 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7638 DragPieceEnd(xPix, yPix); dragging = 0;
7639 DrawPosition(FALSE, NULL);
7643 doubleClick = FALSE;
7644 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7645 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7647 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7648 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7649 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7650 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7652 if (OKToStartUserMove(fromX, fromY)) {
7654 ReportClick("lift", x, y);
7655 MarkTargetSquares(0);
7656 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7657 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7658 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7659 promoSweep = defaultPromoChoice;
7660 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7661 Sweep(0); // Pawn that is going to promote: preview promotion piece
7662 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7664 if (appData.highlightDragging) {
7665 SetHighlights(fromX, fromY, -1, -1);
7669 } else fromX = fromY = -1;
7675 if (clickType == Press && gameMode != EditPosition) {
7680 // ignore off-board to clicks
7681 if(y < 0 || x < 0) return;
7683 /* Check if clicking again on the same color piece */
7684 fromP = boards[currentMove][fromY][fromX];
7685 toP = boards[currentMove][y][x];
7686 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7687 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7688 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7689 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7690 WhitePawn <= toP && toP <= WhiteKing &&
7691 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7692 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7693 (BlackPawn <= fromP && fromP <= BlackKing &&
7694 BlackPawn <= toP && toP <= BlackKing &&
7695 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7696 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7697 /* Clicked again on same color piece -- changed his mind */
7698 second = (x == fromX && y == fromY);
7699 killX = killY = kill2X = kill2Y = -1;
7700 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7701 second = FALSE; // first double-click rather than scond click
7702 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7704 promoDefaultAltered = FALSE;
7705 if(!second) MarkTargetSquares(1);
7706 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7707 if (appData.highlightDragging) {
7708 SetHighlights(x, y, -1, -1);
7712 if (OKToStartUserMove(x, y)) {
7713 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7714 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7715 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7716 gatingPiece = boards[currentMove][fromY][fromX];
7717 else gatingPiece = doubleClick ? fromP : EmptySquare;
7719 fromY = y; dragging = 1;
7720 if(!second) ReportClick("lift", x, y);
7721 MarkTargetSquares(0);
7722 DragPieceBegin(xPix, yPix, FALSE);
7723 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7724 promoSweep = defaultPromoChoice;
7725 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7726 Sweep(0); // Pawn that is going to promote: preview promotion piece
7730 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7733 // ignore clicks on holdings
7734 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7737 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7738 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7739 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7743 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7744 DragPieceEnd(xPix, yPix); dragging = 0;
7746 // a deferred attempt to click-click move an empty square on top of a piece
7747 boards[currentMove][y][x] = EmptySquare;
7749 DrawPosition(FALSE, boards[currentMove]);
7750 fromX = fromY = -1; clearFlag = 0;
7753 if (appData.animateDragging) {
7754 /* Undo animation damage if any */
7755 DrawPosition(FALSE, NULL);
7758 /* Second up/down in same square; just abort move */
7761 gatingPiece = EmptySquare;
7764 ClearPremoveHighlights();
7765 MarkTargetSquares(-1);
7766 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7768 /* First upclick in same square; start click-click mode */
7769 SetHighlights(x, y, -1, -1);
7776 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7777 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7778 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7779 DisplayMessage(_("only marked squares are legal"),"");
7780 DrawPosition(TRUE, NULL);
7781 return; // ignore to-click
7784 /* we now have a different from- and (possibly off-board) to-square */
7785 /* Completed move */
7786 if(!sweepSelecting) {
7791 piece = boards[currentMove][fromY][fromX];
7793 saveAnimate = appData.animate;
7794 if (clickType == Press) {
7795 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7796 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7797 // must be Edit Position mode with empty-square selected
7798 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7799 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7802 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7805 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7806 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7808 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7809 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7810 if(appData.sweepSelect) {
7811 promoSweep = defaultPromoChoice;
7812 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7813 selectFlag = 0; lastX = xPix; lastY = yPix;
7814 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7815 saveFlash = appData.flashCount; appData.flashCount = 0;
7816 Sweep(0); // Pawn that is going to promote: preview promotion piece
7818 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7819 MarkTargetSquares(1);
7821 return; // promo popup appears on up-click
7823 /* Finish clickclick move */
7824 if (appData.animate || appData.highlightLastMove) {
7825 SetHighlights(fromX, fromY, toX, toY);
7829 MarkTargetSquares(1);
7830 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7831 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7832 *promoRestrict = 0; appData.flashCount = saveFlash;
7833 if (appData.animate || appData.highlightLastMove) {
7834 SetHighlights(fromX, fromY, toX, toY);
7838 MarkTargetSquares(1);
7841 // [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
7842 /* Finish drag move */
7843 if (appData.highlightLastMove) {
7844 SetHighlights(fromX, fromY, toX, toY);
7849 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7850 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7851 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7852 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7853 dragging *= 2; // flag button-less dragging if we are dragging
7854 MarkTargetSquares(1);
7855 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7857 kill2X = killX; kill2Y = killY;
7858 killX = x; killY = y; // remember this square as intermediate
7859 ReportClick("put", x, y); // and inform engine
7860 ReportClick("lift", x, y);
7861 MarkTargetSquares(0);
7865 DragPieceEnd(xPix, yPix); dragging = 0;
7866 /* Don't animate move and drag both */
7867 appData.animate = FALSE;
7868 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7871 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7872 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7873 ChessSquare piece = boards[currentMove][fromY][fromX];
7874 if(gameMode == EditPosition && piece != EmptySquare &&
7875 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7878 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7879 n = PieceToNumber(piece - (int)BlackPawn);
7880 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7881 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7882 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7884 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7885 n = PieceToNumber(piece);
7886 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7887 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7888 boards[currentMove][n][BOARD_WIDTH-2]++;
7890 boards[currentMove][fromY][fromX] = EmptySquare;
7894 MarkTargetSquares(1);
7895 DrawPosition(TRUE, boards[currentMove]);
7899 // off-board moves should not be highlighted
7900 if(x < 0 || y < 0) ClearHighlights();
7901 else ReportClick("put", x, y);
7903 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7906 if(legal[toY][toX] == 2) { // highlight-induced promotion
7907 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7908 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7909 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7910 if(!*promoRestrict) { // but has not done that yet
7911 deferChoice = TRUE; // set up retry for when it does
7912 return; // and wait for that
7914 promoChoice = ToLower(*promoRestrict); // force engine's choice
7915 deferChoice = FALSE;
7918 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7919 SetHighlights(fromX, fromY, toX, toY);
7920 MarkTargetSquares(1);
7921 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7922 // [HGM] super: promotion to captured piece selected from holdings
7923 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7924 promotionChoice = TRUE;
7925 // kludge follows to temporarily execute move on display, without promoting yet
7926 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7927 boards[currentMove][toY][toX] = p;
7928 DrawPosition(FALSE, boards[currentMove]);
7929 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7930 boards[currentMove][toY][toX] = q;
7931 DisplayMessage("Click in holdings to choose piece", "");
7934 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7935 PromotionPopUp(promoChoice);
7937 int oldMove = currentMove;
7938 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7939 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7940 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7941 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7942 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7943 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7944 DrawPosition(TRUE, boards[currentMove]);
7948 appData.animate = saveAnimate;
7949 if (appData.animate || appData.animateDragging) {
7950 /* Undo animation damage if needed */
7951 // DrawPosition(FALSE, NULL);
7956 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7957 { // front-end-free part taken out of PieceMenuPopup
7958 int whichMenu; int xSqr, ySqr;
7960 if(seekGraphUp) { // [HGM] seekgraph
7961 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7962 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7966 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7967 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7968 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7969 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7970 if(action == Press) {
7971 originalFlip = flipView;
7972 flipView = !flipView; // temporarily flip board to see game from partners perspective
7973 DrawPosition(TRUE, partnerBoard);
7974 DisplayMessage(partnerStatus, "");
7976 } else if(action == Release) {
7977 flipView = originalFlip;
7978 DrawPosition(TRUE, boards[currentMove]);
7984 xSqr = EventToSquare(x, BOARD_WIDTH);
7985 ySqr = EventToSquare(y, BOARD_HEIGHT);
7986 if (action == Release) {
7987 if(pieceSweep != EmptySquare) {
7988 EditPositionMenuEvent(pieceSweep, toX, toY);
7989 pieceSweep = EmptySquare;
7990 } else UnLoadPV(); // [HGM] pv
7992 if (action != Press) return -2; // return code to be ignored
7995 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7997 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7998 if (xSqr < 0 || ySqr < 0) return -1;
7999 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8000 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8001 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8002 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8006 if(!appData.icsEngineAnalyze) return -1;
8007 case IcsPlayingWhite:
8008 case IcsPlayingBlack:
8009 if(!appData.zippyPlay) goto noZip;
8012 case MachinePlaysWhite:
8013 case MachinePlaysBlack:
8014 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8015 if (!appData.dropMenu) {
8017 return 2; // flag front-end to grab mouse events
8019 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8020 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8023 if (xSqr < 0 || ySqr < 0) return -1;
8024 if (!appData.dropMenu || appData.testLegality &&
8025 gameInfo.variant != VariantBughouse &&
8026 gameInfo.variant != VariantCrazyhouse) return -1;
8027 whichMenu = 1; // drop menu
8033 if (((*fromX = xSqr) < 0) ||
8034 ((*fromY = ySqr) < 0)) {
8035 *fromX = *fromY = -1;
8039 *fromX = BOARD_WIDTH - 1 - *fromX;
8041 *fromY = BOARD_HEIGHT - 1 - *fromY;
8047 Wheel (int dir, int x, int y)
8049 if(gameMode == EditPosition) {
8050 int xSqr = EventToSquare(x, BOARD_WIDTH);
8051 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8052 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8053 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8055 boards[currentMove][ySqr][xSqr] += dir;
8056 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8057 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8058 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8059 DrawPosition(FALSE, boards[currentMove]);
8060 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8064 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8066 // char * hint = lastHint;
8067 FrontEndProgramStats stats;
8069 stats.which = cps == &first ? 0 : 1;
8070 stats.depth = cpstats->depth;
8071 stats.nodes = cpstats->nodes;
8072 stats.score = cpstats->score;
8073 stats.time = cpstats->time;
8074 stats.pv = cpstats->movelist;
8075 stats.hint = lastHint;
8076 stats.an_move_index = 0;
8077 stats.an_move_count = 0;
8079 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8080 stats.hint = cpstats->move_name;
8081 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8082 stats.an_move_count = cpstats->nr_moves;
8085 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
8087 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8088 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8090 SetProgramStats( &stats );
8094 ClearEngineOutputPane (int which)
8096 static FrontEndProgramStats dummyStats;
8097 dummyStats.which = which;
8098 dummyStats.pv = "#";
8099 SetProgramStats( &dummyStats );
8102 #define MAXPLAYERS 500
8105 TourneyStandings (int display)
8107 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8108 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8109 char result, *p, *names[MAXPLAYERS];
8111 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8112 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8113 names[0] = p = strdup(appData.participants);
8114 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8116 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8118 while(result = appData.results[nr]) {
8119 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8120 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8121 wScore = bScore = 0;
8123 case '+': wScore = 2; break;
8124 case '-': bScore = 2; break;
8125 case '=': wScore = bScore = 1; break;
8127 case '*': return strdup("busy"); // tourney not finished
8135 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8136 for(w=0; w<nPlayers; w++) {
8138 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8139 ranking[w] = b; points[w] = bScore; score[b] = -2;
8141 p = malloc(nPlayers*34+1);
8142 for(w=0; w<nPlayers && w<display; w++)
8143 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8149 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8150 { // count all piece types
8152 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8153 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8154 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8157 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8158 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8159 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8160 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8161 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8162 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8167 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8169 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8170 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8172 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8173 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8174 if(myPawns == 2 && nMine == 3) // KPP
8175 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8176 if(myPawns == 1 && nMine == 2) // KP
8177 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8178 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8179 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8180 if(myPawns) return FALSE;
8181 if(pCnt[WhiteRook+side])
8182 return pCnt[BlackRook-side] ||
8183 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8184 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8185 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8186 if(pCnt[WhiteCannon+side]) {
8187 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8188 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8190 if(pCnt[WhiteKnight+side])
8191 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8196 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8198 VariantClass v = gameInfo.variant;
8200 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8201 if(v == VariantShatranj) return TRUE; // always winnable through baring
8202 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8203 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8205 if(v == VariantXiangqi) {
8206 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8208 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8209 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8210 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8211 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8212 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8213 if(stale) // we have at least one last-rank P plus perhaps C
8214 return majors // KPKX
8215 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8217 return pCnt[WhiteFerz+side] // KCAK
8218 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8219 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8220 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8222 } else if(v == VariantKnightmate) {
8223 if(nMine == 1) return FALSE;
8224 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8225 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8226 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8228 if(nMine == 1) return FALSE; // bare King
8229 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
8230 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8231 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8232 // by now we have King + 1 piece (or multiple Bishops on the same color)
8233 if(pCnt[WhiteKnight+side])
8234 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8235 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8236 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8238 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8239 if(pCnt[WhiteAlfil+side])
8240 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8241 if(pCnt[WhiteWazir+side])
8242 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8249 CompareWithRights (Board b1, Board b2)
8252 if(!CompareBoards(b1, b2)) return FALSE;
8253 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8254 /* compare castling rights */
8255 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8256 rights++; /* King lost rights, while rook still had them */
8257 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8258 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8259 rights++; /* but at least one rook lost them */
8261 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8263 if( b1[CASTLING][5] != NoRights ) {
8264 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8271 Adjudicate (ChessProgramState *cps)
8272 { // [HGM] some adjudications useful with buggy engines
8273 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8274 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8275 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8276 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8277 int k, drop, count = 0; static int bare = 1;
8278 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8279 Boolean canAdjudicate = !appData.icsActive;
8281 // most tests only when we understand the game, i.e. legality-checking on
8282 if( appData.testLegality )
8283 { /* [HGM] Some more adjudications for obstinate engines */
8284 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8285 static int moveCount = 6;
8287 char *reason = NULL;
8289 /* Count what is on board. */
8290 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8292 /* Some material-based adjudications that have to be made before stalemate test */
8293 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8294 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8295 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8296 if(canAdjudicate && appData.checkMates) {
8298 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8299 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8300 "Xboard adjudication: King destroyed", GE_XBOARD );
8305 /* Bare King in Shatranj (loses) or Losers (wins) */
8306 if( nrW == 1 || nrB == 1) {
8307 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8308 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8309 if(canAdjudicate && appData.checkMates) {
8311 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8312 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8313 "Xboard adjudication: Bare king", GE_XBOARD );
8317 if( gameInfo.variant == VariantShatranj && --bare < 0)
8319 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8320 if(canAdjudicate && appData.checkMates) {
8321 /* but only adjudicate if adjudication enabled */
8323 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8324 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8325 "Xboard adjudication: Bare king", GE_XBOARD );
8332 // don't wait for engine to announce game end if we can judge ourselves
8333 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8335 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8336 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8337 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8338 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8341 reason = "Xboard adjudication: 3rd check";
8342 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8353 reason = "Xboard adjudication: Stalemate";
8354 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8355 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8356 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8357 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8358 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8359 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8360 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8361 EP_CHECKMATE : EP_WINS);
8362 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8363 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8367 reason = "Xboard adjudication: Checkmate";
8368 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8369 if(gameInfo.variant == VariantShogi) {
8370 if(forwardMostMove > backwardMostMove
8371 && moveList[forwardMostMove-1][1] == '@'
8372 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8373 reason = "XBoard adjudication: pawn-drop mate";
8374 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8380 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8382 result = GameIsDrawn; break;
8384 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8386 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8390 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8392 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8393 GameEnds( result, reason, GE_XBOARD );
8397 /* Next absolutely insufficient mating material. */
8398 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8399 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8400 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8402 /* always flag draws, for judging claims */
8403 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8405 if(canAdjudicate && appData.materialDraws) {
8406 /* but only adjudicate them if adjudication enabled */
8407 if(engineOpponent) {
8408 SendToProgram("force\n", engineOpponent); // suppress reply
8409 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8411 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8416 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8417 if(gameInfo.variant == VariantXiangqi ?
8418 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8420 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8421 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8422 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8423 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8425 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8426 { /* if the first 3 moves do not show a tactical win, declare draw */
8427 if(engineOpponent) {
8428 SendToProgram("force\n", engineOpponent); // suppress reply
8429 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8431 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8434 } else moveCount = 6;
8437 // Repetition draws and 50-move rule can be applied independently of legality testing
8439 /* Check for rep-draws */
8441 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8442 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8443 for(k = forwardMostMove-2;
8444 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8445 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8446 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8449 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8450 /* compare castling rights */
8451 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8452 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8453 rights++; /* King lost rights, while rook still had them */
8454 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8455 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8456 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8457 rights++; /* but at least one rook lost them */
8459 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8460 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8462 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8463 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8464 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8467 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8468 && appData.drawRepeats > 1) {
8469 /* adjudicate after user-specified nr of repeats */
8470 int result = GameIsDrawn;
8471 char *details = "XBoard adjudication: repetition draw";
8472 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8473 // [HGM] xiangqi: check for forbidden perpetuals
8474 int m, ourPerpetual = 1, hisPerpetual = 1;
8475 for(m=forwardMostMove; m>k; m-=2) {
8476 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8477 ourPerpetual = 0; // the current mover did not always check
8478 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8479 hisPerpetual = 0; // the opponent did not always check
8481 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8482 ourPerpetual, hisPerpetual);
8483 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8484 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8485 details = "Xboard adjudication: perpetual checking";
8487 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8488 break; // (or we would have caught him before). Abort repetition-checking loop.
8490 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8491 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8493 details = "Xboard adjudication: repetition";
8495 } else // it must be XQ
8496 // Now check for perpetual chases
8497 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8498 hisPerpetual = PerpetualChase(k, forwardMostMove);
8499 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8500 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8501 static char resdet[MSG_SIZ];
8502 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8504 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8506 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8507 break; // Abort repetition-checking loop.
8509 // if neither of us is checking or chasing all the time, or both are, it is draw
8511 if(engineOpponent) {
8512 SendToProgram("force\n", engineOpponent); // suppress reply
8513 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8515 GameEnds( result, details, GE_XBOARD );
8518 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8519 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8523 /* Now we test for 50-move draws. Determine ply count */
8524 count = forwardMostMove;
8525 /* look for last irreversble move */
8526 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8528 /* if we hit starting position, add initial plies */
8529 if( count == backwardMostMove )
8530 count -= initialRulePlies;
8531 count = forwardMostMove - count;
8532 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8533 // adjust reversible move counter for checks in Xiangqi
8534 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8535 if(i < backwardMostMove) i = backwardMostMove;
8536 while(i <= forwardMostMove) {
8537 lastCheck = inCheck; // check evasion does not count
8538 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8539 if(inCheck || lastCheck) count--; // check does not count
8544 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8545 /* this is used to judge if draw claims are legal */
8546 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8547 if(engineOpponent) {
8548 SendToProgram("force\n", engineOpponent); // suppress reply
8549 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8551 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8555 /* if draw offer is pending, treat it as a draw claim
8556 * when draw condition present, to allow engines a way to
8557 * claim draws before making their move to avoid a race
8558 * condition occurring after their move
8560 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8562 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8563 p = "Draw claim: 50-move rule";
8564 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8565 p = "Draw claim: 3-fold repetition";
8566 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8567 p = "Draw claim: insufficient mating material";
8568 if( p != NULL && canAdjudicate) {
8569 if(engineOpponent) {
8570 SendToProgram("force\n", engineOpponent); // suppress reply
8571 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8573 GameEnds( GameIsDrawn, p, GE_XBOARD );
8578 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8579 if(engineOpponent) {
8580 SendToProgram("force\n", engineOpponent); // suppress reply
8581 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8583 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8589 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8590 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8591 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8596 int pieces[10], squares[10], cnt=0, r, f, res;
8598 static PPROBE_EGBB probeBB;
8599 if(!appData.testLegality) return 10;
8600 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8601 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8602 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8603 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8604 ChessSquare piece = boards[forwardMostMove][r][f];
8605 int black = (piece >= BlackPawn);
8606 int type = piece - black*BlackPawn;
8607 if(piece == EmptySquare) continue;
8608 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8609 if(type == WhiteKing) type = WhiteQueen + 1;
8610 type = egbbCode[type];
8611 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8612 pieces[cnt] = type + black*6;
8613 if(++cnt > 5) return 11;
8615 pieces[cnt] = squares[cnt] = 0;
8617 if(loaded == 2) return 13; // loading failed before
8619 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8622 loaded = 2; // prepare for failure
8623 if(!path) return 13; // no egbb installed
8624 strncpy(buf, path + 8, MSG_SIZ);
8625 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8626 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8627 lib = LoadLibrary(buf);
8628 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8629 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8630 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8631 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8632 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8633 loaded = 1; // success!
8635 res = probeBB(forwardMostMove & 1, pieces, squares);
8636 return res > 0 ? 1 : res < 0 ? -1 : 0;
8640 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8641 { // [HGM] book: this routine intercepts moves to simulate book replies
8642 char *bookHit = NULL;
8644 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8646 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8647 SendToProgram(buf, cps);
8649 //first determine if the incoming move brings opponent into his book
8650 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8651 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8652 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8653 if(bookHit != NULL && !cps->bookSuspend) {
8654 // make sure opponent is not going to reply after receiving move to book position
8655 SendToProgram("force\n", cps);
8656 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8658 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8659 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8660 // now arrange restart after book miss
8662 // after a book hit we never send 'go', and the code after the call to this routine
8663 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8664 char buf[MSG_SIZ], *move = bookHit;
8666 int fromX, fromY, toX, toY;
8670 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8671 &fromX, &fromY, &toX, &toY, &promoChar)) {
8672 (void) CoordsToAlgebraic(boards[forwardMostMove],
8673 PosFlags(forwardMostMove),
8674 fromY, fromX, toY, toX, promoChar, move);
8676 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8680 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8681 SendToProgram(buf, cps);
8682 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8683 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8684 SendToProgram("go\n", cps);
8685 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8686 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8687 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8688 SendToProgram("go\n", cps);
8689 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8691 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8695 LoadError (char *errmess, ChessProgramState *cps)
8696 { // unloads engine and switches back to -ncp mode if it was first
8697 if(cps->initDone) return FALSE;
8698 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8699 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8702 appData.noChessProgram = TRUE;
8703 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8704 gameMode = BeginningOfGame; ModeHighlight();
8707 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8708 DisplayMessage("", ""); // erase waiting message
8709 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8714 ChessProgramState *savedState;
8716 DeferredBookMove (void)
8718 if(savedState->lastPing != savedState->lastPong)
8719 ScheduleDelayedEvent(DeferredBookMove, 10);
8721 HandleMachineMove(savedMessage, savedState);
8724 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8725 static ChessProgramState *stalledEngine;
8726 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8729 HandleMachineMove (char *message, ChessProgramState *cps)
8731 static char firstLeg[20], legs;
8732 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8733 char realname[MSG_SIZ];
8734 int fromX, fromY, toX, toY;
8736 char promoChar, roar;
8741 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8742 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8743 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8744 DisplayError(_("Invalid pairing from pairing engine"), 0);
8747 pairingReceived = 1;
8749 return; // Skim the pairing messages here.
8752 oldError = cps->userError; cps->userError = 0;
8754 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8756 * Kludge to ignore BEL characters
8758 while (*message == '\007') message++;
8761 * [HGM] engine debug message: ignore lines starting with '#' character
8763 if(cps->debug && *message == '#') return;
8766 * Look for book output
8768 if (cps == &first && bookRequested) {
8769 if (message[0] == '\t' || message[0] == ' ') {
8770 /* Part of the book output is here; append it */
8771 strcat(bookOutput, message);
8772 strcat(bookOutput, " \n");
8774 } else if (bookOutput[0] != NULLCHAR) {
8775 /* All of book output has arrived; display it */
8776 char *p = bookOutput;
8777 while (*p != NULLCHAR) {
8778 if (*p == '\t') *p = ' ';
8781 DisplayInformation(bookOutput);
8782 bookRequested = FALSE;
8783 /* Fall through to parse the current output */
8788 * Look for machine move.
8790 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8791 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8793 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8794 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8795 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8796 stalledEngine = cps;
8797 if(appData.ponderNextMove) { // bring opponent out of ponder
8798 if(gameMode == TwoMachinesPlay) {
8799 if(cps->other->pause)
8800 PauseEngine(cps->other);
8802 SendToProgram("easy\n", cps->other);
8811 /* This method is only useful on engines that support ping */
8812 if(abortEngineThink) {
8813 if (appData.debugMode) {
8814 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8816 SendToProgram("undo\n", cps);
8820 if (cps->lastPing != cps->lastPong) {
8821 /* Extra move from before last new; ignore */
8822 if (appData.debugMode) {
8823 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8830 int machineWhite = FALSE;
8833 case BeginningOfGame:
8834 /* Extra move from before last reset; ignore */
8835 if (appData.debugMode) {
8836 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8843 /* Extra move after we tried to stop. The mode test is
8844 not a reliable way of detecting this problem, but it's
8845 the best we can do on engines that don't support ping.
8847 if (appData.debugMode) {
8848 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8849 cps->which, gameMode);
8851 SendToProgram("undo\n", cps);
8854 case MachinePlaysWhite:
8855 case IcsPlayingWhite:
8856 machineWhite = TRUE;
8859 case MachinePlaysBlack:
8860 case IcsPlayingBlack:
8861 machineWhite = FALSE;
8864 case TwoMachinesPlay:
8865 machineWhite = (cps->twoMachinesColor[0] == 'w');
8868 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8869 if (appData.debugMode) {
8871 "Ignoring move out of turn by %s, gameMode %d"
8872 ", forwardMost %d\n",
8873 cps->which, gameMode, forwardMostMove);
8879 if(cps->alphaRank) AlphaRank(machineMove, 4);
8881 // [HGM] lion: (some very limited) support for Alien protocol
8882 killX = killY = kill2X = kill2Y = -1;
8883 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8884 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8885 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8888 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8889 char *q = strchr(p+1, ','); // second comma?
8890 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8891 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8892 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8894 if(firstLeg[0]) { // there was a previous leg;
8895 // only support case where same piece makes two step
8896 char buf[20], *p = machineMove+1, *q = buf+1, f;
8897 safeStrCpy(buf, machineMove, 20);
8898 while(isdigit(*q)) q++; // find start of to-square
8899 safeStrCpy(machineMove, firstLeg, 20);
8900 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8901 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
8902 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)
8903 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8904 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8905 firstLeg[0] = NULLCHAR; legs = 0;
8908 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8909 &fromX, &fromY, &toX, &toY, &promoChar)) {
8910 /* Machine move could not be parsed; ignore it. */
8911 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8912 machineMove, _(cps->which));
8913 DisplayMoveError(buf1);
8914 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8915 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8916 if (gameMode == TwoMachinesPlay) {
8917 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8923 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8924 /* So we have to redo legality test with true e.p. status here, */
8925 /* to make sure an illegal e.p. capture does not slip through, */
8926 /* to cause a forfeit on a justified illegal-move complaint */
8927 /* of the opponent. */
8928 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8930 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8931 fromY, fromX, toY, toX, promoChar);
8932 if(moveType == IllegalMove) {
8933 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8934 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8935 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8938 } else if(!appData.fischerCastling)
8939 /* [HGM] Kludge to handle engines that send FRC-style castling
8940 when they shouldn't (like TSCP-Gothic) */
8942 case WhiteASideCastleFR:
8943 case BlackASideCastleFR:
8945 currentMoveString[2]++;
8947 case WhiteHSideCastleFR:
8948 case BlackHSideCastleFR:
8950 currentMoveString[2]--;
8952 default: ; // nothing to do, but suppresses warning of pedantic compilers
8955 hintRequested = FALSE;
8956 lastHint[0] = NULLCHAR;
8957 bookRequested = FALSE;
8958 /* Program may be pondering now */
8959 cps->maybeThinking = TRUE;
8960 if (cps->sendTime == 2) cps->sendTime = 1;
8961 if (cps->offeredDraw) cps->offeredDraw--;
8963 /* [AS] Save move info*/
8964 pvInfoList[ forwardMostMove ].score = programStats.score;
8965 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8966 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8968 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8970 /* Test suites abort the 'game' after one move */
8971 if(*appData.finger) {
8973 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8974 if(!f) f = fopen(appData.finger, "w");
8975 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8976 else { DisplayFatalError("Bad output file", errno, 0); return; }
8978 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8981 if(solvingTime >= 0) {
8982 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8983 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8985 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8986 if(solvingTime == -2) second.matchWins++;
8988 OutputKibitz(2, buf1);
8989 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8992 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8993 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8996 while( count < adjudicateLossPlies ) {
8997 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9000 score = -score; /* Flip score for winning side */
9003 if( score > appData.adjudicateLossThreshold ) {
9010 if( count >= adjudicateLossPlies ) {
9011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9013 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9014 "Xboard adjudication",
9021 if(Adjudicate(cps)) {
9022 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9023 return; // [HGM] adjudicate: for all automatic game ends
9027 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9029 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9030 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9032 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9034 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9036 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9037 char buf[3*MSG_SIZ];
9039 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9040 programStats.score / 100.,
9042 programStats.time / 100.,
9043 (unsigned int)programStats.nodes,
9044 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9045 programStats.movelist);
9051 /* [AS] Clear stats for next move */
9052 ClearProgramStats();
9053 thinkOutput[0] = NULLCHAR;
9054 hiddenThinkOutputState = 0;
9057 if (gameMode == TwoMachinesPlay) {
9058 /* [HGM] relaying draw offers moved to after reception of move */
9059 /* and interpreting offer as claim if it brings draw condition */
9060 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9061 SendToProgram("draw\n", cps->other);
9063 if (cps->other->sendTime) {
9064 SendTimeRemaining(cps->other,
9065 cps->other->twoMachinesColor[0] == 'w');
9067 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9068 if (firstMove && !bookHit) {
9070 if (cps->other->useColors) {
9071 SendToProgram(cps->other->twoMachinesColor, cps->other);
9073 SendToProgram("go\n", cps->other);
9075 cps->other->maybeThinking = TRUE;
9078 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9080 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9082 if (!pausing && appData.ringBellAfterMoves) {
9083 if(!roar) RingBell();
9087 * Reenable menu items that were disabled while
9088 * machine was thinking
9090 if (gameMode != TwoMachinesPlay)
9091 SetUserThinkingEnables();
9093 // [HGM] book: after book hit opponent has received move and is now in force mode
9094 // force the book reply into it, and then fake that it outputted this move by jumping
9095 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9097 static char bookMove[MSG_SIZ]; // a bit generous?
9099 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9100 strcat(bookMove, bookHit);
9103 programStats.nodes = programStats.depth = programStats.time =
9104 programStats.score = programStats.got_only_move = 0;
9105 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9107 if(cps->lastPing != cps->lastPong) {
9108 savedMessage = message; // args for deferred call
9110 ScheduleDelayedEvent(DeferredBookMove, 10);
9119 /* Set special modes for chess engines. Later something general
9120 * could be added here; for now there is just one kludge feature,
9121 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9122 * when "xboard" is given as an interactive command.
9124 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9125 cps->useSigint = FALSE;
9126 cps->useSigterm = FALSE;
9128 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9129 ParseFeatures(message+8, cps);
9130 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9133 if (!strncmp(message, "setup ", 6) &&
9134 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9135 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9136 ) { // [HGM] allow first engine to define opening position
9137 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9138 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9140 if(sscanf(message, "setup (%s", buf) == 1) {
9141 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9142 ASSIGN(appData.pieceToCharTable, buf);
9144 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9146 while(message[s] && message[s++] != ' ');
9147 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9148 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9149 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9150 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9151 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9152 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9153 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9154 startedFromSetupPosition = FALSE;
9157 if(startedFromSetupPosition) return;
9158 ParseFEN(boards[0], &dummy, message+s, FALSE);
9159 DrawPosition(TRUE, boards[0]);
9160 CopyBoard(initialPosition, boards[0]);
9161 startedFromSetupPosition = TRUE;
9164 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9165 ChessSquare piece = WhitePawn;
9166 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9167 if(*p == '+') promoted++, ID = *++p;
9168 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9169 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9170 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9171 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9172 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9173 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9174 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9175 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9176 && gameInfo.variant != VariantGreat
9177 && gameInfo.variant != VariantFairy ) return;
9178 if(piece < EmptySquare) {
9180 ASSIGN(pieceDesc[piece], buf1);
9181 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9185 if(sscanf(message, "choice %s", promoRestrict) == 1) {
9187 LeftClick(Press, 0, 0); // finish the click that was interrupted
9188 } else if(promoSweep != EmptySquare) {
9189 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9190 if(strlen(promoRestrict) > 1) Sweep(0);
9194 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9195 * want this, I was asked to put it in, and obliged.
9197 if (!strncmp(message, "setboard ", 9)) {
9198 Board initial_position;
9200 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9202 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9203 DisplayError(_("Bad FEN received from engine"), 0);
9207 CopyBoard(boards[0], initial_position);
9208 initialRulePlies = FENrulePlies;
9209 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9210 else gameMode = MachinePlaysBlack;
9211 DrawPosition(FALSE, boards[currentMove]);
9217 * Look for communication commands
9219 if (!strncmp(message, "telluser ", 9)) {
9220 if(message[9] == '\\' && message[10] == '\\')
9221 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9223 DisplayNote(message + 9);
9226 if (!strncmp(message, "tellusererror ", 14)) {
9228 if(message[14] == '\\' && message[15] == '\\')
9229 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9231 DisplayError(message + 14, 0);
9234 if (!strncmp(message, "tellopponent ", 13)) {
9235 if (appData.icsActive) {
9237 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9241 DisplayNote(message + 13);
9245 if (!strncmp(message, "tellothers ", 11)) {
9246 if (appData.icsActive) {
9248 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9251 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9254 if (!strncmp(message, "tellall ", 8)) {
9255 if (appData.icsActive) {
9257 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9261 DisplayNote(message + 8);
9265 if (strncmp(message, "warning", 7) == 0) {
9266 /* Undocumented feature, use tellusererror in new code */
9267 DisplayError(message, 0);
9270 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9271 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9272 strcat(realname, " query");
9273 AskQuestion(realname, buf2, buf1, cps->pr);
9276 /* Commands from the engine directly to ICS. We don't allow these to be
9277 * sent until we are logged on. Crafty kibitzes have been known to
9278 * interfere with the login process.
9281 if (!strncmp(message, "tellics ", 8)) {
9282 SendToICS(message + 8);
9286 if (!strncmp(message, "tellicsnoalias ", 15)) {
9287 SendToICS(ics_prefix);
9288 SendToICS(message + 15);
9292 /* The following are for backward compatibility only */
9293 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9294 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9295 SendToICS(ics_prefix);
9301 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9302 if(initPing == cps->lastPong) {
9303 if(gameInfo.variant == VariantUnknown) {
9304 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9305 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9306 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9310 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9311 abortEngineThink = FALSE;
9312 DisplayMessage("", "");
9317 if(!strncmp(message, "highlight ", 10)) {
9318 if(appData.testLegality && !*engineVariant && appData.markers) return;
9319 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9322 if(!strncmp(message, "click ", 6)) {
9323 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9324 if(appData.testLegality || !appData.oneClick) return;
9325 sscanf(message+6, "%c%d%c", &f, &y, &c);
9326 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9327 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9328 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9329 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9330 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9331 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9332 LeftClick(Release, lastLeftX, lastLeftY);
9333 controlKey = (c == ',');
9334 LeftClick(Press, x, y);
9335 LeftClick(Release, x, y);
9336 first.highlight = f;
9340 * If the move is illegal, cancel it and redraw the board.
9341 * Also deal with other error cases. Matching is rather loose
9342 * here to accommodate engines written before the spec.
9344 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9345 strncmp(message, "Error", 5) == 0) {
9346 if (StrStr(message, "name") ||
9347 StrStr(message, "rating") || StrStr(message, "?") ||
9348 StrStr(message, "result") || StrStr(message, "board") ||
9349 StrStr(message, "bk") || StrStr(message, "computer") ||
9350 StrStr(message, "variant") || StrStr(message, "hint") ||
9351 StrStr(message, "random") || StrStr(message, "depth") ||
9352 StrStr(message, "accepted")) {
9355 if (StrStr(message, "protover")) {
9356 /* Program is responding to input, so it's apparently done
9357 initializing, and this error message indicates it is
9358 protocol version 1. So we don't need to wait any longer
9359 for it to initialize and send feature commands. */
9360 FeatureDone(cps, 1);
9361 cps->protocolVersion = 1;
9364 cps->maybeThinking = FALSE;
9366 if (StrStr(message, "draw")) {
9367 /* Program doesn't have "draw" command */
9368 cps->sendDrawOffers = 0;
9371 if (cps->sendTime != 1 &&
9372 (StrStr(message, "time") || StrStr(message, "otim"))) {
9373 /* Program apparently doesn't have "time" or "otim" command */
9377 if (StrStr(message, "analyze")) {
9378 cps->analysisSupport = FALSE;
9379 cps->analyzing = FALSE;
9380 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9381 EditGameEvent(); // [HGM] try to preserve loaded game
9382 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9383 DisplayError(buf2, 0);
9386 if (StrStr(message, "(no matching move)st")) {
9387 /* Special kludge for GNU Chess 4 only */
9388 cps->stKludge = TRUE;
9389 SendTimeControl(cps, movesPerSession, timeControl,
9390 timeIncrement, appData.searchDepth,
9394 if (StrStr(message, "(no matching move)sd")) {
9395 /* Special kludge for GNU Chess 4 only */
9396 cps->sdKludge = TRUE;
9397 SendTimeControl(cps, movesPerSession, timeControl,
9398 timeIncrement, appData.searchDepth,
9402 if (!StrStr(message, "llegal")) {
9405 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9406 gameMode == IcsIdle) return;
9407 if (forwardMostMove <= backwardMostMove) return;
9408 if (pausing) PauseEvent();
9409 if(appData.forceIllegal) {
9410 // [HGM] illegal: machine refused move; force position after move into it
9411 SendToProgram("force\n", cps);
9412 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9413 // we have a real problem now, as SendBoard will use the a2a3 kludge
9414 // when black is to move, while there might be nothing on a2 or black
9415 // might already have the move. So send the board as if white has the move.
9416 // But first we must change the stm of the engine, as it refused the last move
9417 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9418 if(WhiteOnMove(forwardMostMove)) {
9419 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9420 SendBoard(cps, forwardMostMove); // kludgeless board
9422 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9423 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9424 SendBoard(cps, forwardMostMove+1); // kludgeless board
9426 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9427 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9428 gameMode == TwoMachinesPlay)
9429 SendToProgram("go\n", cps);
9432 if (gameMode == PlayFromGameFile) {
9433 /* Stop reading this game file */
9434 gameMode = EditGame;
9437 /* [HGM] illegal-move claim should forfeit game when Xboard */
9438 /* only passes fully legal moves */
9439 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9440 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9441 "False illegal-move claim", GE_XBOARD );
9442 return; // do not take back move we tested as valid
9444 currentMove = forwardMostMove-1;
9445 DisplayMove(currentMove-1); /* before DisplayMoveError */
9446 SwitchClocks(forwardMostMove-1); // [HGM] race
9447 DisplayBothClocks();
9448 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9449 parseList[currentMove], _(cps->which));
9450 DisplayMoveError(buf1);
9451 DrawPosition(FALSE, boards[currentMove]);
9453 SetUserThinkingEnables();
9456 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9457 /* Program has a broken "time" command that
9458 outputs a string not ending in newline.
9462 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9463 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9464 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9468 * If chess program startup fails, exit with an error message.
9469 * Attempts to recover here are futile. [HGM] Well, we try anyway
9471 if ((StrStr(message, "unknown host") != NULL)
9472 || (StrStr(message, "No remote directory") != NULL)
9473 || (StrStr(message, "not found") != NULL)
9474 || (StrStr(message, "No such file") != NULL)
9475 || (StrStr(message, "can't alloc") != NULL)
9476 || (StrStr(message, "Permission denied") != NULL)) {
9478 cps->maybeThinking = FALSE;
9479 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9480 _(cps->which), cps->program, cps->host, message);
9481 RemoveInputSource(cps->isr);
9482 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9483 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9484 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9490 * Look for hint output
9492 if (sscanf(message, "Hint: %s", buf1) == 1) {
9493 if (cps == &first && hintRequested) {
9494 hintRequested = FALSE;
9495 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9496 &fromX, &fromY, &toX, &toY, &promoChar)) {
9497 (void) CoordsToAlgebraic(boards[forwardMostMove],
9498 PosFlags(forwardMostMove),
9499 fromY, fromX, toY, toX, promoChar, buf1);
9500 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9501 DisplayInformation(buf2);
9503 /* Hint move could not be parsed!? */
9504 snprintf(buf2, sizeof(buf2),
9505 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9506 buf1, _(cps->which));
9507 DisplayError(buf2, 0);
9510 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9516 * Ignore other messages if game is not in progress
9518 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9519 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9522 * look for win, lose, draw, or draw offer
9524 if (strncmp(message, "1-0", 3) == 0) {
9525 char *p, *q, *r = "";
9526 p = strchr(message, '{');
9534 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9536 } else if (strncmp(message, "0-1", 3) == 0) {
9537 char *p, *q, *r = "";
9538 p = strchr(message, '{');
9546 /* Kludge for Arasan 4.1 bug */
9547 if (strcmp(r, "Black resigns") == 0) {
9548 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9551 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9553 } else if (strncmp(message, "1/2", 3) == 0) {
9554 char *p, *q, *r = "";
9555 p = strchr(message, '{');
9564 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9567 } else if (strncmp(message, "White resign", 12) == 0) {
9568 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9570 } else if (strncmp(message, "Black resign", 12) == 0) {
9571 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9573 } else if (strncmp(message, "White matches", 13) == 0 ||
9574 strncmp(message, "Black matches", 13) == 0 ) {
9575 /* [HGM] ignore GNUShogi noises */
9577 } else if (strncmp(message, "White", 5) == 0 &&
9578 message[5] != '(' &&
9579 StrStr(message, "Black") == NULL) {
9580 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9582 } else if (strncmp(message, "Black", 5) == 0 &&
9583 message[5] != '(') {
9584 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9586 } else if (strcmp(message, "resign") == 0 ||
9587 strcmp(message, "computer resigns") == 0) {
9589 case MachinePlaysBlack:
9590 case IcsPlayingBlack:
9591 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9593 case MachinePlaysWhite:
9594 case IcsPlayingWhite:
9595 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9597 case TwoMachinesPlay:
9598 if (cps->twoMachinesColor[0] == 'w')
9599 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9601 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9608 } else if (strncmp(message, "opponent mates", 14) == 0) {
9610 case MachinePlaysBlack:
9611 case IcsPlayingBlack:
9612 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9614 case MachinePlaysWhite:
9615 case IcsPlayingWhite:
9616 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9618 case TwoMachinesPlay:
9619 if (cps->twoMachinesColor[0] == 'w')
9620 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9622 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9629 } else if (strncmp(message, "computer mates", 14) == 0) {
9631 case MachinePlaysBlack:
9632 case IcsPlayingBlack:
9633 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9635 case MachinePlaysWhite:
9636 case IcsPlayingWhite:
9637 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9639 case TwoMachinesPlay:
9640 if (cps->twoMachinesColor[0] == 'w')
9641 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9643 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9650 } else if (strncmp(message, "checkmate", 9) == 0) {
9651 if (WhiteOnMove(forwardMostMove)) {
9652 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9654 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9657 } else if (strstr(message, "Draw") != NULL ||
9658 strstr(message, "game is a draw") != NULL) {
9659 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9661 } else if (strstr(message, "offer") != NULL &&
9662 strstr(message, "draw") != NULL) {
9664 if (appData.zippyPlay && first.initDone) {
9665 /* Relay offer to ICS */
9666 SendToICS(ics_prefix);
9667 SendToICS("draw\n");
9670 cps->offeredDraw = 2; /* valid until this engine moves twice */
9671 if (gameMode == TwoMachinesPlay) {
9672 if (cps->other->offeredDraw) {
9673 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9674 /* [HGM] in two-machine mode we delay relaying draw offer */
9675 /* until after we also have move, to see if it is really claim */
9677 } else if (gameMode == MachinePlaysWhite ||
9678 gameMode == MachinePlaysBlack) {
9679 if (userOfferedDraw) {
9680 DisplayInformation(_("Machine accepts your draw offer"));
9681 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9683 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9690 * Look for thinking output
9692 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9693 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9695 int plylev, mvleft, mvtot, curscore, time;
9696 char mvname[MOVE_LEN];
9700 int prefixHint = FALSE;
9701 mvname[0] = NULLCHAR;
9704 case MachinePlaysBlack:
9705 case IcsPlayingBlack:
9706 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9708 case MachinePlaysWhite:
9709 case IcsPlayingWhite:
9710 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9715 case IcsObserving: /* [DM] icsEngineAnalyze */
9716 if (!appData.icsEngineAnalyze) ignore = TRUE;
9718 case TwoMachinesPlay:
9719 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9729 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9732 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9733 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9734 char score_buf[MSG_SIZ];
9736 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9737 nodes += u64Const(0x100000000);
9739 if (plyext != ' ' && plyext != '\t') {
9743 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9744 if( cps->scoreIsAbsolute &&
9745 ( gameMode == MachinePlaysBlack ||
9746 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9747 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9748 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9749 !WhiteOnMove(currentMove)
9752 curscore = -curscore;
9755 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9757 if(*bestMove) { // rememer time best EPD move was first found
9758 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9759 ChessMove mt; char *p = bestMove;
9760 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9762 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9763 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9764 solvingTime = (solvingTime < 0 ? time : solvingTime);
9768 while(*p && *p != ' ') p++;
9769 while(*p == ' ') p++;
9771 if(!solved) solvingTime = -1;
9773 if(*avoidMove && !solved) {
9774 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9775 ChessMove mt; char *p = avoidMove, solved = 1;
9776 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9777 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9778 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9779 solved = 0; solvingTime = -2;
9782 while(*p && *p != ' ') p++;
9783 while(*p == ' ') p++;
9785 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9788 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9791 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9792 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9793 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9794 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9795 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9796 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9800 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9801 DisplayError(_("failed writing PV"), 0);
9804 tempStats.depth = plylev;
9805 tempStats.nodes = nodes;
9806 tempStats.time = time;
9807 tempStats.score = curscore;
9808 tempStats.got_only_move = 0;
9810 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9813 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9814 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9815 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9816 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9817 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9818 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9819 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9820 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9823 /* Buffer overflow protection */
9824 if (pv[0] != NULLCHAR) {
9825 if (strlen(pv) >= sizeof(tempStats.movelist)
9826 && appData.debugMode) {
9828 "PV is too long; using the first %u bytes.\n",
9829 (unsigned) sizeof(tempStats.movelist) - 1);
9832 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9834 sprintf(tempStats.movelist, " no PV\n");
9837 if (tempStats.seen_stat) {
9838 tempStats.ok_to_send = 1;
9841 if (strchr(tempStats.movelist, '(') != NULL) {
9842 tempStats.line_is_book = 1;
9843 tempStats.nr_moves = 0;
9844 tempStats.moves_left = 0;
9846 tempStats.line_is_book = 0;
9849 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9850 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9852 SendProgramStatsToFrontend( cps, &tempStats );
9855 [AS] Protect the thinkOutput buffer from overflow... this
9856 is only useful if buf1 hasn't overflowed first!
9858 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9859 if(curscore >= MATE_SCORE)
9860 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9861 else if(curscore <= -MATE_SCORE)
9862 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9864 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9865 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9867 (gameMode == TwoMachinesPlay ?
9868 ToUpper(cps->twoMachinesColor[0]) : ' '),
9870 prefixHint ? lastHint : "",
9871 prefixHint ? " " : "" );
9873 if( buf1[0] != NULLCHAR ) {
9874 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9876 if( strlen(pv) > max_len ) {
9877 if( appData.debugMode) {
9878 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9880 pv[max_len+1] = '\0';
9883 strcat( thinkOutput, pv);
9886 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9887 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9888 DisplayMove(currentMove - 1);
9892 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9893 /* crafty (9.25+) says "(only move) <move>"
9894 * if there is only 1 legal move
9896 sscanf(p, "(only move) %s", buf1);
9897 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9898 sprintf(programStats.movelist, "%s (only move)", buf1);
9899 programStats.depth = 1;
9900 programStats.nr_moves = 1;
9901 programStats.moves_left = 1;
9902 programStats.nodes = 1;
9903 programStats.time = 1;
9904 programStats.got_only_move = 1;
9906 /* Not really, but we also use this member to
9907 mean "line isn't going to change" (Crafty
9908 isn't searching, so stats won't change) */
9909 programStats.line_is_book = 1;
9911 SendProgramStatsToFrontend( cps, &programStats );
9913 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9914 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9915 DisplayMove(currentMove - 1);
9918 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9919 &time, &nodes, &plylev, &mvleft,
9920 &mvtot, mvname) >= 5) {
9921 /* The stat01: line is from Crafty (9.29+) in response
9922 to the "." command */
9923 programStats.seen_stat = 1;
9924 cps->maybeThinking = TRUE;
9926 if (programStats.got_only_move || !appData.periodicUpdates)
9929 programStats.depth = plylev;
9930 programStats.time = time;
9931 programStats.nodes = nodes;
9932 programStats.moves_left = mvleft;
9933 programStats.nr_moves = mvtot;
9934 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9935 programStats.ok_to_send = 1;
9936 programStats.movelist[0] = '\0';
9938 SendProgramStatsToFrontend( cps, &programStats );
9942 } else if (strncmp(message,"++",2) == 0) {
9943 /* Crafty 9.29+ outputs this */
9944 programStats.got_fail = 2;
9947 } else if (strncmp(message,"--",2) == 0) {
9948 /* Crafty 9.29+ outputs this */
9949 programStats.got_fail = 1;
9952 } else if (thinkOutput[0] != NULLCHAR &&
9953 strncmp(message, " ", 4) == 0) {
9954 unsigned message_len;
9957 while (*p && *p == ' ') p++;
9959 message_len = strlen( p );
9961 /* [AS] Avoid buffer overflow */
9962 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9963 strcat(thinkOutput, " ");
9964 strcat(thinkOutput, p);
9967 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9968 strcat(programStats.movelist, " ");
9969 strcat(programStats.movelist, p);
9972 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9973 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9974 DisplayMove(currentMove - 1);
9982 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9983 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9985 ChessProgramStats cpstats;
9987 if (plyext != ' ' && plyext != '\t') {
9991 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9992 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9993 curscore = -curscore;
9996 cpstats.depth = plylev;
9997 cpstats.nodes = nodes;
9998 cpstats.time = time;
9999 cpstats.score = curscore;
10000 cpstats.got_only_move = 0;
10001 cpstats.movelist[0] = '\0';
10003 if (buf1[0] != NULLCHAR) {
10004 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10007 cpstats.ok_to_send = 0;
10008 cpstats.line_is_book = 0;
10009 cpstats.nr_moves = 0;
10010 cpstats.moves_left = 0;
10012 SendProgramStatsToFrontend( cps, &cpstats );
10019 /* Parse a game score from the character string "game", and
10020 record it as the history of the current game. The game
10021 score is NOT assumed to start from the standard position.
10022 The display is not updated in any way.
10025 ParseGameHistory (char *game)
10027 ChessMove moveType;
10028 int fromX, fromY, toX, toY, boardIndex;
10033 if (appData.debugMode)
10034 fprintf(debugFP, "Parsing game history: %s\n", game);
10036 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10037 gameInfo.site = StrSave(appData.icsHost);
10038 gameInfo.date = PGNDate();
10039 gameInfo.round = StrSave("-");
10041 /* Parse out names of players */
10042 while (*game == ' ') game++;
10044 while (*game != ' ') *p++ = *game++;
10046 gameInfo.white = StrSave(buf);
10047 while (*game == ' ') game++;
10049 while (*game != ' ' && *game != '\n') *p++ = *game++;
10051 gameInfo.black = StrSave(buf);
10054 boardIndex = blackPlaysFirst ? 1 : 0;
10057 yyboardindex = boardIndex;
10058 moveType = (ChessMove) Myylex();
10059 switch (moveType) {
10060 case IllegalMove: /* maybe suicide chess, etc. */
10061 if (appData.debugMode) {
10062 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10063 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10064 setbuf(debugFP, NULL);
10066 case WhitePromotion:
10067 case BlackPromotion:
10068 case WhiteNonPromotion:
10069 case BlackNonPromotion:
10072 case WhiteCapturesEnPassant:
10073 case BlackCapturesEnPassant:
10074 case WhiteKingSideCastle:
10075 case WhiteQueenSideCastle:
10076 case BlackKingSideCastle:
10077 case BlackQueenSideCastle:
10078 case WhiteKingSideCastleWild:
10079 case WhiteQueenSideCastleWild:
10080 case BlackKingSideCastleWild:
10081 case BlackQueenSideCastleWild:
10083 case WhiteHSideCastleFR:
10084 case WhiteASideCastleFR:
10085 case BlackHSideCastleFR:
10086 case BlackASideCastleFR:
10088 fromX = currentMoveString[0] - AAA;
10089 fromY = currentMoveString[1] - ONE;
10090 toX = currentMoveString[2] - AAA;
10091 toY = currentMoveString[3] - ONE;
10092 promoChar = currentMoveString[4];
10096 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10097 fromX = moveType == WhiteDrop ?
10098 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10099 (int) CharToPiece(ToLower(currentMoveString[0]));
10101 toX = currentMoveString[2] - AAA;
10102 toY = currentMoveString[3] - ONE;
10103 promoChar = NULLCHAR;
10105 case AmbiguousMove:
10107 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10108 if (appData.debugMode) {
10109 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10110 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10111 setbuf(debugFP, NULL);
10113 DisplayError(buf, 0);
10115 case ImpossibleMove:
10117 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10118 if (appData.debugMode) {
10119 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10120 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10121 setbuf(debugFP, NULL);
10123 DisplayError(buf, 0);
10126 if (boardIndex < backwardMostMove) {
10127 /* Oops, gap. How did that happen? */
10128 DisplayError(_("Gap in move list"), 0);
10131 backwardMostMove = blackPlaysFirst ? 1 : 0;
10132 if (boardIndex > forwardMostMove) {
10133 forwardMostMove = boardIndex;
10137 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10138 strcat(parseList[boardIndex-1], " ");
10139 strcat(parseList[boardIndex-1], yy_text);
10151 case GameUnfinished:
10152 if (gameMode == IcsExamining) {
10153 if (boardIndex < backwardMostMove) {
10154 /* Oops, gap. How did that happen? */
10157 backwardMostMove = blackPlaysFirst ? 1 : 0;
10160 gameInfo.result = moveType;
10161 p = strchr(yy_text, '{');
10162 if (p == NULL) p = strchr(yy_text, '(');
10165 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10167 q = strchr(p, *p == '{' ? '}' : ')');
10168 if (q != NULL) *q = NULLCHAR;
10171 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10172 gameInfo.resultDetails = StrSave(p);
10175 if (boardIndex >= forwardMostMove &&
10176 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10177 backwardMostMove = blackPlaysFirst ? 1 : 0;
10180 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10181 fromY, fromX, toY, toX, promoChar,
10182 parseList[boardIndex]);
10183 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10184 /* currentMoveString is set as a side-effect of yylex */
10185 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10186 strcat(moveList[boardIndex], "\n");
10188 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10189 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10195 if(!IS_SHOGI(gameInfo.variant))
10196 strcat(parseList[boardIndex - 1], "+");
10200 strcat(parseList[boardIndex - 1], "#");
10207 /* Apply a move to the given board */
10209 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10211 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10212 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10214 /* [HGM] compute & store e.p. status and castling rights for new position */
10215 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10217 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10218 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10219 board[EP_STATUS] = EP_NONE;
10220 board[EP_FILE] = board[EP_RANK] = 100;
10222 if (fromY == DROP_RANK) {
10223 /* must be first */
10224 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10225 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10228 piece = board[toY][toX] = (ChessSquare) fromX;
10230 // ChessSquare victim;
10233 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10234 // victim = board[killY][killX],
10235 killed = board[killY][killX],
10236 board[killY][killX] = EmptySquare,
10237 board[EP_STATUS] = EP_CAPTURE;
10238 if( kill2X >= 0 && kill2Y >= 0)
10239 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10242 if( board[toY][toX] != EmptySquare ) {
10243 board[EP_STATUS] = EP_CAPTURE;
10244 if( (fromX != toX || fromY != toY) && // not igui!
10245 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10246 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10247 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10251 pawn = board[fromY][fromX];
10252 if( pawn == WhiteLance || pawn == BlackLance ) {
10253 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10254 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10255 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10258 if( pawn == WhitePawn ) {
10259 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10260 board[EP_STATUS] = EP_PAWN_MOVE;
10261 if( toY-fromY>=2) {
10262 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10263 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10264 gameInfo.variant != VariantBerolina || toX < fromX)
10265 board[EP_STATUS] = toX | berolina;
10266 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10267 gameInfo.variant != VariantBerolina || toX > fromX)
10268 board[EP_STATUS] = toX;
10271 if( pawn == BlackPawn ) {
10272 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10273 board[EP_STATUS] = EP_PAWN_MOVE;
10274 if( toY-fromY<= -2) {
10275 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10276 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10277 gameInfo.variant != VariantBerolina || toX < fromX)
10278 board[EP_STATUS] = toX | berolina;
10279 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10280 gameInfo.variant != VariantBerolina || toX > fromX)
10281 board[EP_STATUS] = toX;
10285 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10286 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10287 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10288 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10290 for(i=0; i<nrCastlingRights; i++) {
10291 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10292 board[CASTLING][i] == toX && castlingRank[i] == toY
10293 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10296 if(gameInfo.variant == VariantSChess) { // update virginity
10297 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10298 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10299 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10300 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10303 if (fromX == toX && fromY == toY && killX < 0) return;
10305 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10306 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10307 if(gameInfo.variant == VariantKnightmate)
10308 king += (int) WhiteUnicorn - (int) WhiteKing;
10310 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10311 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10312 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10313 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10314 board[EP_STATUS] = EP_NONE; // capture was fake!
10316 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10317 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10318 board[toY][toX] = piece;
10319 board[EP_STATUS] = EP_NONE; // capture was fake!
10321 /* Code added by Tord: */
10322 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10323 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10324 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10325 board[EP_STATUS] = EP_NONE; // capture was fake!
10326 board[fromY][fromX] = EmptySquare;
10327 board[toY][toX] = EmptySquare;
10328 if((toX > fromX) != (piece == WhiteRook)) {
10329 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10331 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10333 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10334 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10335 board[EP_STATUS] = EP_NONE;
10336 board[fromY][fromX] = EmptySquare;
10337 board[toY][toX] = EmptySquare;
10338 if((toX > fromX) != (piece == BlackRook)) {
10339 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10341 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10343 /* End of code added by Tord */
10345 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10346 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10347 board[toY][toX] = piece;
10348 } else if (board[fromY][fromX] == king
10349 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10350 && toY == fromY && toX > fromX+1) {
10351 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10352 ; // castle with nearest piece
10353 board[fromY][toX-1] = board[fromY][rookX];
10354 board[fromY][rookX] = EmptySquare;
10355 board[fromY][fromX] = EmptySquare;
10356 board[toY][toX] = king;
10357 } else if (board[fromY][fromX] == king
10358 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10359 && toY == fromY && toX < fromX-1) {
10360 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10361 ; // castle with nearest piece
10362 board[fromY][toX+1] = board[fromY][rookX];
10363 board[fromY][rookX] = EmptySquare;
10364 board[fromY][fromX] = EmptySquare;
10365 board[toY][toX] = king;
10366 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10367 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10368 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10370 /* white pawn promotion */
10371 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10372 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10373 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10374 board[fromY][fromX] = EmptySquare;
10375 } else if ((fromY >= BOARD_HEIGHT>>1)
10376 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10378 && gameInfo.variant != VariantXiangqi
10379 && gameInfo.variant != VariantBerolina
10380 && (pawn == WhitePawn)
10381 && (board[toY][toX] == EmptySquare)) {
10382 board[fromY][fromX] = EmptySquare;
10383 board[toY][toX] = piece;
10384 if(toY == epRank - 128 + 1)
10385 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10387 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10388 } else if ((fromY == BOARD_HEIGHT-4)
10390 && gameInfo.variant == VariantBerolina
10391 && (board[fromY][fromX] == WhitePawn)
10392 && (board[toY][toX] == EmptySquare)) {
10393 board[fromY][fromX] = EmptySquare;
10394 board[toY][toX] = WhitePawn;
10395 if(oldEP & EP_BEROLIN_A) {
10396 captured = board[fromY][fromX-1];
10397 board[fromY][fromX-1] = EmptySquare;
10398 }else{ captured = board[fromY][fromX+1];
10399 board[fromY][fromX+1] = EmptySquare;
10401 } else if (board[fromY][fromX] == king
10402 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10403 && toY == fromY && toX > fromX+1) {
10404 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10406 board[fromY][toX-1] = board[fromY][rookX];
10407 board[fromY][rookX] = EmptySquare;
10408 board[fromY][fromX] = EmptySquare;
10409 board[toY][toX] = king;
10410 } else if (board[fromY][fromX] == king
10411 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10412 && toY == fromY && toX < fromX-1) {
10413 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10415 board[fromY][toX+1] = board[fromY][rookX];
10416 board[fromY][rookX] = EmptySquare;
10417 board[fromY][fromX] = EmptySquare;
10418 board[toY][toX] = king;
10419 } else if (fromY == 7 && fromX == 3
10420 && board[fromY][fromX] == BlackKing
10421 && toY == 7 && toX == 5) {
10422 board[fromY][fromX] = EmptySquare;
10423 board[toY][toX] = BlackKing;
10424 board[fromY][7] = EmptySquare;
10425 board[toY][4] = BlackRook;
10426 } else if (fromY == 7 && fromX == 3
10427 && board[fromY][fromX] == BlackKing
10428 && toY == 7 && toX == 1) {
10429 board[fromY][fromX] = EmptySquare;
10430 board[toY][toX] = BlackKing;
10431 board[fromY][0] = EmptySquare;
10432 board[toY][2] = BlackRook;
10433 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10434 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10435 && toY < promoRank && promoChar
10437 /* black pawn promotion */
10438 board[toY][toX] = CharToPiece(ToLower(promoChar));
10439 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10440 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10441 board[fromY][fromX] = EmptySquare;
10442 } else if ((fromY < BOARD_HEIGHT>>1)
10443 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10445 && gameInfo.variant != VariantXiangqi
10446 && gameInfo.variant != VariantBerolina
10447 && (pawn == BlackPawn)
10448 && (board[toY][toX] == EmptySquare)) {
10449 board[fromY][fromX] = EmptySquare;
10450 board[toY][toX] = piece;
10451 if(toY == epRank - 128 - 1)
10452 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10454 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10455 } else if ((fromY == 3)
10457 && gameInfo.variant == VariantBerolina
10458 && (board[fromY][fromX] == BlackPawn)
10459 && (board[toY][toX] == EmptySquare)) {
10460 board[fromY][fromX] = EmptySquare;
10461 board[toY][toX] = BlackPawn;
10462 if(oldEP & EP_BEROLIN_A) {
10463 captured = board[fromY][fromX-1];
10464 board[fromY][fromX-1] = EmptySquare;
10465 }else{ captured = board[fromY][fromX+1];
10466 board[fromY][fromX+1] = EmptySquare;
10469 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10470 board[fromY][fromX] = EmptySquare;
10471 board[toY][toX] = piece;
10475 if (gameInfo.holdingsWidth != 0) {
10477 /* !!A lot more code needs to be written to support holdings */
10478 /* [HGM] OK, so I have written it. Holdings are stored in the */
10479 /* penultimate board files, so they are automaticlly stored */
10480 /* in the game history. */
10481 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10482 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10483 /* Delete from holdings, by decreasing count */
10484 /* and erasing image if necessary */
10485 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10486 if(p < (int) BlackPawn) { /* white drop */
10487 p -= (int)WhitePawn;
10488 p = PieceToNumber((ChessSquare)p);
10489 if(p >= gameInfo.holdingsSize) p = 0;
10490 if(--board[p][BOARD_WIDTH-2] <= 0)
10491 board[p][BOARD_WIDTH-1] = EmptySquare;
10492 if((int)board[p][BOARD_WIDTH-2] < 0)
10493 board[p][BOARD_WIDTH-2] = 0;
10494 } else { /* black drop */
10495 p -= (int)BlackPawn;
10496 p = PieceToNumber((ChessSquare)p);
10497 if(p >= gameInfo.holdingsSize) p = 0;
10498 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10499 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10500 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10501 board[BOARD_HEIGHT-1-p][1] = 0;
10504 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10505 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10506 /* [HGM] holdings: Add to holdings, if holdings exist */
10507 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10508 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10509 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10511 p = (int) captured;
10512 if (p >= (int) BlackPawn) {
10513 p -= (int)BlackPawn;
10514 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10515 /* Restore shogi-promoted piece to its original first */
10516 captured = (ChessSquare) (DEMOTED(captured));
10519 p = PieceToNumber((ChessSquare)p);
10520 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10521 board[p][BOARD_WIDTH-2]++;
10522 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10524 p -= (int)WhitePawn;
10525 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10526 captured = (ChessSquare) (DEMOTED(captured));
10529 p = PieceToNumber((ChessSquare)p);
10530 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10531 board[BOARD_HEIGHT-1-p][1]++;
10532 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10535 } else if (gameInfo.variant == VariantAtomic) {
10536 if (captured != EmptySquare) {
10538 for (y = toY-1; y <= toY+1; y++) {
10539 for (x = toX-1; x <= toX+1; x++) {
10540 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10541 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10542 board[y][x] = EmptySquare;
10546 board[toY][toX] = EmptySquare;
10550 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10551 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10553 if(promoChar == '+') {
10554 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10555 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10556 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10557 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10558 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10559 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10560 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10561 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10562 board[toY][toX] = newPiece;
10564 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10565 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10566 // [HGM] superchess: take promotion piece out of holdings
10567 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10568 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10569 if(!--board[k][BOARD_WIDTH-2])
10570 board[k][BOARD_WIDTH-1] = EmptySquare;
10572 if(!--board[BOARD_HEIGHT-1-k][1])
10573 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10578 /* Updates forwardMostMove */
10580 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10582 int x = toX, y = toY;
10583 char *s = parseList[forwardMostMove];
10584 ChessSquare p = boards[forwardMostMove][toY][toX];
10585 // forwardMostMove++; // [HGM] bare: moved downstream
10587 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10588 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10589 (void) CoordsToAlgebraic(boards[forwardMostMove],
10590 PosFlags(forwardMostMove),
10591 fromY, fromX, y, x, (killX < 0)*promoChar,
10593 if(kill2X >= 0 && kill2Y >= 0)
10594 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10595 if(killX >= 0 && killY >= 0)
10596 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10597 toX + AAA, toY + ONE - '0', promoChar);
10599 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10600 int timeLeft; static int lastLoadFlag=0; int king, piece;
10601 piece = boards[forwardMostMove][fromY][fromX];
10602 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10603 if(gameInfo.variant == VariantKnightmate)
10604 king += (int) WhiteUnicorn - (int) WhiteKing;
10605 if(forwardMostMove == 0) {
10606 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10607 fprintf(serverMoves, "%s;", UserName());
10608 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10609 fprintf(serverMoves, "%s;", second.tidy);
10610 fprintf(serverMoves, "%s;", first.tidy);
10611 if(gameMode == MachinePlaysWhite)
10612 fprintf(serverMoves, "%s;", UserName());
10613 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10614 fprintf(serverMoves, "%s;", second.tidy);
10615 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10616 lastLoadFlag = loadFlag;
10618 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10619 // print castling suffix
10620 if( toY == fromY && piece == king ) {
10622 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10624 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10627 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10628 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10629 boards[forwardMostMove][toY][toX] == EmptySquare
10630 && fromX != toX && fromY != toY)
10631 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10632 // promotion suffix
10633 if(promoChar != NULLCHAR) {
10634 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10635 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10636 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10637 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10640 char buf[MOVE_LEN*2], *p; int len;
10641 fprintf(serverMoves, "/%d/%d",
10642 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10643 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10644 else timeLeft = blackTimeRemaining/1000;
10645 fprintf(serverMoves, "/%d", timeLeft);
10646 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10647 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10648 if(p = strchr(buf, '=')) *p = NULLCHAR;
10649 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10650 fprintf(serverMoves, "/%s", buf);
10652 fflush(serverMoves);
10655 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10656 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10659 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10660 if (commentList[forwardMostMove+1] != NULL) {
10661 free(commentList[forwardMostMove+1]);
10662 commentList[forwardMostMove+1] = NULL;
10664 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10665 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10666 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10667 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10668 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10669 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10670 adjustedClock = FALSE;
10671 gameInfo.result = GameUnfinished;
10672 if (gameInfo.resultDetails != NULL) {
10673 free(gameInfo.resultDetails);
10674 gameInfo.resultDetails = NULL;
10676 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10677 moveList[forwardMostMove - 1]);
10678 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10684 if(!IS_SHOGI(gameInfo.variant))
10685 strcat(parseList[forwardMostMove - 1], "+");
10689 strcat(parseList[forwardMostMove - 1], "#");
10694 /* Updates currentMove if not pausing */
10696 ShowMove (int fromX, int fromY, int toX, int toY)
10698 int instant = (gameMode == PlayFromGameFile) ?
10699 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10700 if(appData.noGUI) return;
10701 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10703 if (forwardMostMove == currentMove + 1) {
10704 AnimateMove(boards[forwardMostMove - 1],
10705 fromX, fromY, toX, toY);
10708 currentMove = forwardMostMove;
10711 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10713 if (instant) return;
10715 DisplayMove(currentMove - 1);
10716 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10717 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10718 SetHighlights(fromX, fromY, toX, toY);
10721 DrawPosition(FALSE, boards[currentMove]);
10722 DisplayBothClocks();
10723 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10727 SendEgtPath (ChessProgramState *cps)
10728 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10729 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10731 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10734 char c, *q = name+1, *r, *s;
10736 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10737 while(*p && *p != ',') *q++ = *p++;
10738 *q++ = ':'; *q = 0;
10739 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10740 strcmp(name, ",nalimov:") == 0 ) {
10741 // take nalimov path from the menu-changeable option first, if it is defined
10742 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10743 SendToProgram(buf,cps); // send egtbpath command for nalimov
10745 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10746 (s = StrStr(appData.egtFormats, name)) != NULL) {
10747 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10748 s = r = StrStr(s, ":") + 1; // beginning of path info
10749 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10750 c = *r; *r = 0; // temporarily null-terminate path info
10751 *--q = 0; // strip of trailig ':' from name
10752 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10754 SendToProgram(buf,cps); // send egtbpath command for this format
10756 if(*p == ',') p++; // read away comma to position for next format name
10761 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10763 int width = 8, height = 8, holdings = 0; // most common sizes
10764 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10765 // correct the deviations default for each variant
10766 if( v == VariantXiangqi ) width = 9, height = 10;
10767 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10768 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10769 if( v == VariantCapablanca || v == VariantCapaRandom ||
10770 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10772 if( v == VariantCourier ) width = 12;
10773 if( v == VariantSuper ) holdings = 8;
10774 if( v == VariantGreat ) width = 10, holdings = 8;
10775 if( v == VariantSChess ) holdings = 7;
10776 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10777 if( v == VariantChuChess) width = 10, height = 10;
10778 if( v == VariantChu ) width = 12, height = 12;
10779 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10780 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10781 holdingsSize >= 0 && holdingsSize != holdings;
10784 char variantError[MSG_SIZ];
10787 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10788 { // returns error message (recognizable by upper-case) if engine does not support the variant
10789 char *p, *variant = VariantName(v);
10790 static char b[MSG_SIZ];
10791 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10792 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10793 holdingsSize, variant); // cook up sized variant name
10794 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10795 if(StrStr(list, b) == NULL) {
10796 // specific sized variant not known, check if general sizing allowed
10797 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10798 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10799 boardWidth, boardHeight, holdingsSize, engine);
10802 /* [HGM] here we really should compare with the maximum supported board size */
10804 } else snprintf(b, MSG_SIZ,"%s", variant);
10805 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10806 p = StrStr(list, b);
10807 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10809 // occurs not at all in list, or only as sub-string
10810 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10811 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10812 int l = strlen(variantError);
10814 while(p != list && p[-1] != ',') p--;
10815 q = strchr(p, ',');
10816 if(q) *q = NULLCHAR;
10817 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10826 InitChessProgram (ChessProgramState *cps, int setup)
10827 /* setup needed to setup FRC opening position */
10829 char buf[MSG_SIZ], *b;
10830 if (appData.noChessProgram) return;
10831 hintRequested = FALSE;
10832 bookRequested = FALSE;
10834 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10835 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10836 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10837 if(cps->memSize) { /* [HGM] memory */
10838 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10839 SendToProgram(buf, cps);
10841 SendEgtPath(cps); /* [HGM] EGT */
10842 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10843 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10844 SendToProgram(buf, cps);
10847 setboardSpoiledMachineBlack = FALSE;
10848 SendToProgram(cps->initString, cps);
10849 if (gameInfo.variant != VariantNormal &&
10850 gameInfo.variant != VariantLoadable
10851 /* [HGM] also send variant if board size non-standard */
10852 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10854 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10855 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10859 char c, *q = cps->variants, *p = strchr(q, ',');
10860 if(p) *p = NULLCHAR;
10861 v = StringToVariant(q);
10862 DisplayError(variantError, 0);
10863 if(v != VariantUnknown && cps == &first) {
10865 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10866 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10867 ASSIGN(appData.variant, q);
10868 Reset(TRUE, FALSE);
10874 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10875 SendToProgram(buf, cps);
10877 currentlyInitializedVariant = gameInfo.variant;
10879 /* [HGM] send opening position in FRC to first engine */
10881 SendToProgram("force\n", cps);
10883 /* engine is now in force mode! Set flag to wake it up after first move. */
10884 setboardSpoiledMachineBlack = 1;
10887 if (cps->sendICS) {
10888 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10889 SendToProgram(buf, cps);
10891 cps->maybeThinking = FALSE;
10892 cps->offeredDraw = 0;
10893 if (!appData.icsActive) {
10894 SendTimeControl(cps, movesPerSession, timeControl,
10895 timeIncrement, appData.searchDepth,
10898 if (appData.showThinking
10899 // [HGM] thinking: four options require thinking output to be sent
10900 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10902 SendToProgram("post\n", cps);
10904 SendToProgram("hard\n", cps);
10905 if (!appData.ponderNextMove) {
10906 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10907 it without being sure what state we are in first. "hard"
10908 is not a toggle, so that one is OK.
10910 SendToProgram("easy\n", cps);
10912 if (cps->usePing) {
10913 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10914 SendToProgram(buf, cps);
10916 cps->initDone = TRUE;
10917 ClearEngineOutputPane(cps == &second);
10922 ResendOptions (ChessProgramState *cps)
10923 { // send the stored value of the options
10926 Option *opt = cps->option;
10927 for(i=0; i<cps->nrOptions; i++, opt++) {
10928 switch(opt->type) {
10932 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10935 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10938 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10944 SendToProgram(buf, cps);
10949 StartChessProgram (ChessProgramState *cps)
10954 if (appData.noChessProgram) return;
10955 cps->initDone = FALSE;
10957 if (strcmp(cps->host, "localhost") == 0) {
10958 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10959 } else if (*appData.remoteShell == NULLCHAR) {
10960 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10962 if (*appData.remoteUser == NULLCHAR) {
10963 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10966 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10967 cps->host, appData.remoteUser, cps->program);
10969 err = StartChildProcess(buf, "", &cps->pr);
10973 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10974 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10975 if(cps != &first) return;
10976 appData.noChessProgram = TRUE;
10979 // DisplayFatalError(buf, err, 1);
10980 // cps->pr = NoProc;
10981 // cps->isr = NULL;
10985 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10986 if (cps->protocolVersion > 1) {
10987 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10988 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10989 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10990 cps->comboCnt = 0; // and values of combo boxes
10992 SendToProgram(buf, cps);
10993 if(cps->reload) ResendOptions(cps);
10995 SendToProgram("xboard\n", cps);
11000 TwoMachinesEventIfReady P((void))
11002 static int curMess = 0;
11003 if (first.lastPing != first.lastPong) {
11004 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11005 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11008 if (second.lastPing != second.lastPong) {
11009 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11010 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11013 DisplayMessage("", ""); curMess = 0;
11014 TwoMachinesEvent();
11018 MakeName (char *template)
11022 static char buf[MSG_SIZ];
11026 clock = time((time_t *)NULL);
11027 tm = localtime(&clock);
11029 while(*p++ = *template++) if(p[-1] == '%') {
11030 switch(*template++) {
11031 case 0: *p = 0; return buf;
11032 case 'Y': i = tm->tm_year+1900; break;
11033 case 'y': i = tm->tm_year-100; break;
11034 case 'M': i = tm->tm_mon+1; break;
11035 case 'd': i = tm->tm_mday; break;
11036 case 'h': i = tm->tm_hour; break;
11037 case 'm': i = tm->tm_min; break;
11038 case 's': i = tm->tm_sec; break;
11041 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11047 CountPlayers (char *p)
11050 while(p = strchr(p, '\n')) p++, n++; // count participants
11055 WriteTourneyFile (char *results, FILE *f)
11056 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11057 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11058 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11059 // create a file with tournament description
11060 fprintf(f, "-participants {%s}\n", appData.participants);
11061 fprintf(f, "-seedBase %d\n", appData.seedBase);
11062 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11063 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11064 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11065 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11066 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11067 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11068 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11069 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11070 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11071 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11072 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11073 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11074 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11075 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11076 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11077 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11078 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11079 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11080 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11081 fprintf(f, "-smpCores %d\n", appData.smpCores);
11083 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11085 fprintf(f, "-mps %d\n", appData.movesPerSession);
11086 fprintf(f, "-tc %s\n", appData.timeControl);
11087 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11089 fprintf(f, "-results \"%s\"\n", results);
11094 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11097 Substitute (char *participants, int expunge)
11099 int i, changed, changes=0, nPlayers=0;
11100 char *p, *q, *r, buf[MSG_SIZ];
11101 if(participants == NULL) return;
11102 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11103 r = p = participants; q = appData.participants;
11104 while(*p && *p == *q) {
11105 if(*p == '\n') r = p+1, nPlayers++;
11108 if(*p) { // difference
11109 while(*p && *p++ != '\n')
11111 while(*q && *q++ != '\n')
11113 changed = nPlayers;
11114 changes = 1 + (strcmp(p, q) != 0);
11116 if(changes == 1) { // a single engine mnemonic was changed
11117 q = r; while(*q) nPlayers += (*q++ == '\n');
11118 p = buf; while(*r && (*p = *r++) != '\n') p++;
11120 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11121 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11122 if(mnemonic[i]) { // The substitute is valid
11124 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11125 flock(fileno(f), LOCK_EX);
11126 ParseArgsFromFile(f);
11127 fseek(f, 0, SEEK_SET);
11128 FREE(appData.participants); appData.participants = participants;
11129 if(expunge) { // erase results of replaced engine
11130 int len = strlen(appData.results), w, b, dummy;
11131 for(i=0; i<len; i++) {
11132 Pairing(i, nPlayers, &w, &b, &dummy);
11133 if((w == changed || b == changed) && appData.results[i] == '*') {
11134 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11139 for(i=0; i<len; i++) {
11140 Pairing(i, nPlayers, &w, &b, &dummy);
11141 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11144 WriteTourneyFile(appData.results, f);
11145 fclose(f); // release lock
11148 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11150 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11151 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11152 free(participants);
11157 CheckPlayers (char *participants)
11160 char buf[MSG_SIZ], *p;
11161 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11162 while(p = strchr(participants, '\n')) {
11164 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11166 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11168 DisplayError(buf, 0);
11172 participants = p + 1;
11178 CreateTourney (char *name)
11181 if(matchMode && strcmp(name, appData.tourneyFile)) {
11182 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11184 if(name[0] == NULLCHAR) {
11185 if(appData.participants[0])
11186 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11189 f = fopen(name, "r");
11190 if(f) { // file exists
11191 ASSIGN(appData.tourneyFile, name);
11192 ParseArgsFromFile(f); // parse it
11194 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11195 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11196 DisplayError(_("Not enough participants"), 0);
11199 if(CheckPlayers(appData.participants)) return 0;
11200 ASSIGN(appData.tourneyFile, name);
11201 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11202 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11205 appData.noChessProgram = FALSE;
11206 appData.clockMode = TRUE;
11212 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11214 char buf[MSG_SIZ], *p, *q;
11215 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11216 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11217 skip = !all && group[0]; // if group requested, we start in skip mode
11218 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11219 p = names; q = buf; header = 0;
11220 while(*p && *p != '\n') *q++ = *p++;
11222 if(*p == '\n') p++;
11223 if(buf[0] == '#') {
11224 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11225 depth++; // we must be entering a new group
11226 if(all) continue; // suppress printing group headers when complete list requested
11228 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11230 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11231 if(engineList[i]) free(engineList[i]);
11232 engineList[i] = strdup(buf);
11233 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11234 if(engineMnemonic[i]) free(engineMnemonic[i]);
11235 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11237 sscanf(q + 8, "%s", buf + strlen(buf));
11240 engineMnemonic[i] = strdup(buf);
11243 engineList[i] = engineMnemonic[i] = NULL;
11247 // following implemented as macro to avoid type limitations
11248 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11251 SwapEngines (int n)
11252 { // swap settings for first engine and other engine (so far only some selected options)
11257 SWAP(chessProgram, p)
11259 SWAP(hasOwnBookUCI, h)
11260 SWAP(protocolVersion, h)
11262 SWAP(scoreIsAbsolute, h)
11267 SWAP(engOptions, p)
11268 SWAP(engInitString, p)
11269 SWAP(computerString, p)
11271 SWAP(fenOverride, p)
11273 SWAP(accumulateTC, h)
11280 GetEngineLine (char *s, int n)
11284 extern char *icsNames;
11285 if(!s || !*s) return 0;
11286 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11287 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11288 if(!mnemonic[i]) return 0;
11289 if(n == 11) return 1; // just testing if there was a match
11290 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11291 if(n == 1) SwapEngines(n);
11292 ParseArgsFromString(buf);
11293 if(n == 1) SwapEngines(n);
11294 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11295 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11296 ParseArgsFromString(buf);
11302 SetPlayer (int player, char *p)
11303 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11305 char buf[MSG_SIZ], *engineName;
11306 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11307 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11308 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11310 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11311 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11312 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11313 ParseArgsFromString(buf);
11314 } else { // no engine with this nickname is installed!
11315 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11316 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11317 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11319 DisplayError(buf, 0);
11326 char *recentEngines;
11329 RecentEngineEvent (int nr)
11332 // SwapEngines(1); // bump first to second
11333 // ReplaceEngine(&second, 1); // and load it there
11334 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11335 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11336 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11337 ReplaceEngine(&first, 0);
11338 FloatToFront(&appData.recentEngineList, command[n]);
11343 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11344 { // determine players from game number
11345 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11347 if(appData.tourneyType == 0) {
11348 roundsPerCycle = (nPlayers - 1) | 1;
11349 pairingsPerRound = nPlayers / 2;
11350 } else if(appData.tourneyType > 0) {
11351 roundsPerCycle = nPlayers - appData.tourneyType;
11352 pairingsPerRound = appData.tourneyType;
11354 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11355 gamesPerCycle = gamesPerRound * roundsPerCycle;
11356 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11357 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11358 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11359 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11360 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11361 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11363 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11364 if(appData.roundSync) *syncInterval = gamesPerRound;
11366 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11368 if(appData.tourneyType == 0) {
11369 if(curPairing == (nPlayers-1)/2 ) {
11370 *whitePlayer = curRound;
11371 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11373 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11374 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11375 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11376 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11378 } else if(appData.tourneyType > 1) {
11379 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11380 *whitePlayer = curRound + appData.tourneyType;
11381 } else if(appData.tourneyType > 0) {
11382 *whitePlayer = curPairing;
11383 *blackPlayer = curRound + appData.tourneyType;
11386 // take care of white/black alternation per round.
11387 // For cycles and games this is already taken care of by default, derived from matchGame!
11388 return curRound & 1;
11392 NextTourneyGame (int nr, int *swapColors)
11393 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11395 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11397 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11398 tf = fopen(appData.tourneyFile, "r");
11399 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11400 ParseArgsFromFile(tf); fclose(tf);
11401 InitTimeControls(); // TC might be altered from tourney file
11403 nPlayers = CountPlayers(appData.participants); // count participants
11404 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11405 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11408 p = q = appData.results;
11409 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11410 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11411 DisplayMessage(_("Waiting for other game(s)"),"");
11412 waitingForGame = TRUE;
11413 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11416 waitingForGame = FALSE;
11419 if(appData.tourneyType < 0) {
11420 if(nr>=0 && !pairingReceived) {
11422 if(pairing.pr == NoProc) {
11423 if(!appData.pairingEngine[0]) {
11424 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11427 StartChessProgram(&pairing); // starts the pairing engine
11429 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11430 SendToProgram(buf, &pairing);
11431 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11432 SendToProgram(buf, &pairing);
11433 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11435 pairingReceived = 0; // ... so we continue here
11437 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11438 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11439 matchGame = 1; roundNr = nr / syncInterval + 1;
11442 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11444 // redefine engines, engine dir, etc.
11445 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11446 if(first.pr == NoProc) {
11447 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11448 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11450 if(second.pr == NoProc) {
11452 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11453 SwapEngines(1); // and make that valid for second engine by swapping
11454 InitEngine(&second, 1);
11456 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11457 UpdateLogos(FALSE); // leave display to ModeHiglight()
11463 { // performs game initialization that does not invoke engines, and then tries to start the game
11464 int res, firstWhite, swapColors = 0;
11465 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11466 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
11468 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11469 if(strcmp(buf, currentDebugFile)) { // name has changed
11470 FILE *f = fopen(buf, "w");
11471 if(f) { // if opening the new file failed, just keep using the old one
11472 ASSIGN(currentDebugFile, buf);
11476 if(appData.serverFileName) {
11477 if(serverFP) fclose(serverFP);
11478 serverFP = fopen(appData.serverFileName, "w");
11479 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11480 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11484 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11485 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11486 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11487 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11488 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11489 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11490 Reset(FALSE, first.pr != NoProc);
11491 res = LoadGameOrPosition(matchGame); // setup game
11492 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11493 if(!res) return; // abort when bad game/pos file
11494 if(appData.epd) {// in EPD mode we make sure first engine is to move
11495 firstWhite = !(forwardMostMove & 1);
11496 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11497 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11499 TwoMachinesEvent();
11503 UserAdjudicationEvent (int result)
11505 ChessMove gameResult = GameIsDrawn;
11508 gameResult = WhiteWins;
11510 else if( result < 0 ) {
11511 gameResult = BlackWins;
11514 if( gameMode == TwoMachinesPlay ) {
11515 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11520 // [HGM] save: calculate checksum of game to make games easily identifiable
11522 StringCheckSum (char *s)
11525 if(s==NULL) return 0;
11526 while(*s) i = i*259 + *s++;
11534 for(i=backwardMostMove; i<forwardMostMove; i++) {
11535 sum += pvInfoList[i].depth;
11536 sum += StringCheckSum(parseList[i]);
11537 sum += StringCheckSum(commentList[i]);
11540 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11541 return sum + StringCheckSum(commentList[i]);
11542 } // end of save patch
11545 GameEnds (ChessMove result, char *resultDetails, int whosays)
11547 GameMode nextGameMode;
11549 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11551 if(endingGame) return; /* [HGM] crash: forbid recursion */
11553 if(twoBoards) { // [HGM] dual: switch back to one board
11554 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11555 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11557 if (appData.debugMode) {
11558 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11559 result, resultDetails ? resultDetails : "(null)", whosays);
11562 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11564 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11566 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11567 /* If we are playing on ICS, the server decides when the
11568 game is over, but the engine can offer to draw, claim
11572 if (appData.zippyPlay && first.initDone) {
11573 if (result == GameIsDrawn) {
11574 /* In case draw still needs to be claimed */
11575 SendToICS(ics_prefix);
11576 SendToICS("draw\n");
11577 } else if (StrCaseStr(resultDetails, "resign")) {
11578 SendToICS(ics_prefix);
11579 SendToICS("resign\n");
11583 endingGame = 0; /* [HGM] crash */
11587 /* If we're loading the game from a file, stop */
11588 if (whosays == GE_FILE) {
11589 (void) StopLoadGameTimer();
11593 /* Cancel draw offers */
11594 first.offeredDraw = second.offeredDraw = 0;
11596 /* If this is an ICS game, only ICS can really say it's done;
11597 if not, anyone can. */
11598 isIcsGame = (gameMode == IcsPlayingWhite ||
11599 gameMode == IcsPlayingBlack ||
11600 gameMode == IcsObserving ||
11601 gameMode == IcsExamining);
11603 if (!isIcsGame || whosays == GE_ICS) {
11604 /* OK -- not an ICS game, or ICS said it was done */
11606 if (!isIcsGame && !appData.noChessProgram)
11607 SetUserThinkingEnables();
11609 /* [HGM] if a machine claims the game end we verify this claim */
11610 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11611 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11613 ChessMove trueResult = (ChessMove) -1;
11615 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11616 first.twoMachinesColor[0] :
11617 second.twoMachinesColor[0] ;
11619 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11620 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11621 /* [HGM] verify: engine mate claims accepted if they were flagged */
11622 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11624 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11625 /* [HGM] verify: engine mate claims accepted if they were flagged */
11626 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11628 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11629 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11632 // now verify win claims, but not in drop games, as we don't understand those yet
11633 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11634 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11635 (result == WhiteWins && claimer == 'w' ||
11636 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11637 if (appData.debugMode) {
11638 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11639 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11641 if(result != trueResult) {
11642 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11643 result = claimer == 'w' ? BlackWins : WhiteWins;
11644 resultDetails = buf;
11647 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11648 && (forwardMostMove <= backwardMostMove ||
11649 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11650 (claimer=='b')==(forwardMostMove&1))
11652 /* [HGM] verify: draws that were not flagged are false claims */
11653 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11654 result = claimer == 'w' ? BlackWins : WhiteWins;
11655 resultDetails = buf;
11657 /* (Claiming a loss is accepted no questions asked!) */
11658 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11659 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11660 result = GameUnfinished;
11661 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11663 /* [HGM] bare: don't allow bare King to win */
11664 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11665 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11666 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11667 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11668 && result != GameIsDrawn)
11669 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11670 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11671 int p = (signed char)boards[forwardMostMove][i][j] - color;
11672 if(p >= 0 && p <= (int)WhiteKing) k++;
11673 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11675 if (appData.debugMode) {
11676 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11677 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11679 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11680 result = GameIsDrawn;
11681 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11682 resultDetails = buf;
11688 if(serverMoves != NULL && !loadFlag) { char c = '=';
11689 if(result==WhiteWins) c = '+';
11690 if(result==BlackWins) c = '-';
11691 if(resultDetails != NULL)
11692 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11694 if (resultDetails != NULL) {
11695 gameInfo.result = result;
11696 gameInfo.resultDetails = StrSave(resultDetails);
11698 /* display last move only if game was not loaded from file */
11699 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11700 DisplayMove(currentMove - 1);
11702 if (forwardMostMove != 0) {
11703 if (gameMode != PlayFromGameFile && gameMode != EditGame
11704 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11706 if (*appData.saveGameFile != NULLCHAR) {
11707 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11708 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11710 SaveGameToFile(appData.saveGameFile, TRUE);
11711 } else if (appData.autoSaveGames) {
11712 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11714 if (*appData.savePositionFile != NULLCHAR) {
11715 SavePositionToFile(appData.savePositionFile);
11717 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11721 /* Tell program how game ended in case it is learning */
11722 /* [HGM] Moved this to after saving the PGN, just in case */
11723 /* engine died and we got here through time loss. In that */
11724 /* case we will get a fatal error writing the pipe, which */
11725 /* would otherwise lose us the PGN. */
11726 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11727 /* output during GameEnds should never be fatal anymore */
11728 if (gameMode == MachinePlaysWhite ||
11729 gameMode == MachinePlaysBlack ||
11730 gameMode == TwoMachinesPlay ||
11731 gameMode == IcsPlayingWhite ||
11732 gameMode == IcsPlayingBlack ||
11733 gameMode == BeginningOfGame) {
11735 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11737 if (first.pr != NoProc) {
11738 SendToProgram(buf, &first);
11740 if (second.pr != NoProc &&
11741 gameMode == TwoMachinesPlay) {
11742 SendToProgram(buf, &second);
11747 if (appData.icsActive) {
11748 if (appData.quietPlay &&
11749 (gameMode == IcsPlayingWhite ||
11750 gameMode == IcsPlayingBlack)) {
11751 SendToICS(ics_prefix);
11752 SendToICS("set shout 1\n");
11754 nextGameMode = IcsIdle;
11755 ics_user_moved = FALSE;
11756 /* clean up premove. It's ugly when the game has ended and the
11757 * premove highlights are still on the board.
11760 gotPremove = FALSE;
11761 ClearPremoveHighlights();
11762 DrawPosition(FALSE, boards[currentMove]);
11764 if (whosays == GE_ICS) {
11767 if (gameMode == IcsPlayingWhite)
11769 else if(gameMode == IcsPlayingBlack)
11770 PlayIcsLossSound();
11773 if (gameMode == IcsPlayingBlack)
11775 else if(gameMode == IcsPlayingWhite)
11776 PlayIcsLossSound();
11779 PlayIcsDrawSound();
11782 PlayIcsUnfinishedSound();
11785 if(appData.quitNext) { ExitEvent(0); return; }
11786 } else if (gameMode == EditGame ||
11787 gameMode == PlayFromGameFile ||
11788 gameMode == AnalyzeMode ||
11789 gameMode == AnalyzeFile) {
11790 nextGameMode = gameMode;
11792 nextGameMode = EndOfGame;
11797 nextGameMode = gameMode;
11800 if (appData.noChessProgram) {
11801 gameMode = nextGameMode;
11803 endingGame = 0; /* [HGM] crash */
11808 /* Put first chess program into idle state */
11809 if (first.pr != NoProc &&
11810 (gameMode == MachinePlaysWhite ||
11811 gameMode == MachinePlaysBlack ||
11812 gameMode == TwoMachinesPlay ||
11813 gameMode == IcsPlayingWhite ||
11814 gameMode == IcsPlayingBlack ||
11815 gameMode == BeginningOfGame)) {
11816 SendToProgram("force\n", &first);
11817 if (first.usePing) {
11819 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11820 SendToProgram(buf, &first);
11823 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11824 /* Kill off first chess program */
11825 if (first.isr != NULL)
11826 RemoveInputSource(first.isr);
11829 if (first.pr != NoProc) {
11831 DoSleep( appData.delayBeforeQuit );
11832 SendToProgram("quit\n", &first);
11833 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11834 first.reload = TRUE;
11838 if (second.reuse) {
11839 /* Put second chess program into idle state */
11840 if (second.pr != NoProc &&
11841 gameMode == TwoMachinesPlay) {
11842 SendToProgram("force\n", &second);
11843 if (second.usePing) {
11845 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11846 SendToProgram(buf, &second);
11849 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11850 /* Kill off second chess program */
11851 if (second.isr != NULL)
11852 RemoveInputSource(second.isr);
11855 if (second.pr != NoProc) {
11856 DoSleep( appData.delayBeforeQuit );
11857 SendToProgram("quit\n", &second);
11858 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11859 second.reload = TRUE;
11861 second.pr = NoProc;
11864 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11865 char resChar = '=';
11869 if (first.twoMachinesColor[0] == 'w') {
11872 second.matchWins++;
11877 if (first.twoMachinesColor[0] == 'b') {
11880 second.matchWins++;
11883 case GameUnfinished:
11889 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11890 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11891 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11892 ReserveGame(nextGame, resChar); // sets nextGame
11893 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11894 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11895 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11897 if (nextGame <= appData.matchGames && !abortMatch) {
11898 gameMode = nextGameMode;
11899 matchGame = nextGame; // this will be overruled in tourney mode!
11900 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11901 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11902 endingGame = 0; /* [HGM] crash */
11905 gameMode = nextGameMode;
11907 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11908 OutputKibitz(2, buf);
11909 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11910 OutputKibitz(2, buf);
11911 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11912 if(second.matchWins) OutputKibitz(2, buf);
11913 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11914 OutputKibitz(2, buf);
11916 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11917 first.tidy, second.tidy,
11918 first.matchWins, second.matchWins,
11919 appData.matchGames - (first.matchWins + second.matchWins));
11920 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11921 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11922 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11923 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11924 first.twoMachinesColor = "black\n";
11925 second.twoMachinesColor = "white\n";
11927 first.twoMachinesColor = "white\n";
11928 second.twoMachinesColor = "black\n";
11932 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11933 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11935 gameMode = nextGameMode;
11937 endingGame = 0; /* [HGM] crash */
11938 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11939 if(matchMode == TRUE) { // match through command line: exit with or without popup
11941 ToNrEvent(forwardMostMove);
11942 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11944 } else DisplayFatalError(buf, 0, 0);
11945 } else { // match through menu; just stop, with or without popup
11946 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11949 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11950 } else DisplayNote(buf);
11952 if(ranking) free(ranking);
11956 /* Assumes program was just initialized (initString sent).
11957 Leaves program in force mode. */
11959 FeedMovesToProgram (ChessProgramState *cps, int upto)
11963 if (appData.debugMode)
11964 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11965 startedFromSetupPosition ? "position and " : "",
11966 backwardMostMove, upto, cps->which);
11967 if(currentlyInitializedVariant != gameInfo.variant) {
11969 // [HGM] variantswitch: make engine aware of new variant
11970 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11971 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11972 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11973 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11974 SendToProgram(buf, cps);
11975 currentlyInitializedVariant = gameInfo.variant;
11977 SendToProgram("force\n", cps);
11978 if (startedFromSetupPosition) {
11979 SendBoard(cps, backwardMostMove);
11980 if (appData.debugMode) {
11981 fprintf(debugFP, "feedMoves\n");
11984 for (i = backwardMostMove; i < upto; i++) {
11985 SendMoveToProgram(i, cps);
11991 ResurrectChessProgram ()
11993 /* The chess program may have exited.
11994 If so, restart it and feed it all the moves made so far. */
11995 static int doInit = 0;
11997 if (appData.noChessProgram) return 1;
11999 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12000 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12001 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12002 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12004 if (first.pr != NoProc) return 1;
12005 StartChessProgram(&first);
12007 InitChessProgram(&first, FALSE);
12008 FeedMovesToProgram(&first, currentMove);
12010 if (!first.sendTime) {
12011 /* can't tell gnuchess what its clock should read,
12012 so we bow to its notion. */
12014 timeRemaining[0][currentMove] = whiteTimeRemaining;
12015 timeRemaining[1][currentMove] = blackTimeRemaining;
12018 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12019 appData.icsEngineAnalyze) && first.analysisSupport) {
12020 SendToProgram("analyze\n", &first);
12021 first.analyzing = TRUE;
12027 * Button procedures
12030 Reset (int redraw, int init)
12034 if (appData.debugMode) {
12035 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12036 redraw, init, gameMode);
12038 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12039 deadRanks = 0; // assume entire board is used
12040 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12041 CleanupTail(); // [HGM] vari: delete any stored variations
12042 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12043 pausing = pauseExamInvalid = FALSE;
12044 startedFromSetupPosition = blackPlaysFirst = FALSE;
12046 whiteFlag = blackFlag = FALSE;
12047 userOfferedDraw = FALSE;
12048 hintRequested = bookRequested = FALSE;
12049 first.maybeThinking = FALSE;
12050 second.maybeThinking = FALSE;
12051 first.bookSuspend = FALSE; // [HGM] book
12052 second.bookSuspend = FALSE;
12053 thinkOutput[0] = NULLCHAR;
12054 lastHint[0] = NULLCHAR;
12055 ClearGameInfo(&gameInfo);
12056 gameInfo.variant = StringToVariant(appData.variant);
12057 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12058 gameInfo.variant = VariantUnknown;
12059 strncpy(engineVariant, appData.variant, MSG_SIZ);
12061 ics_user_moved = ics_clock_paused = FALSE;
12062 ics_getting_history = H_FALSE;
12064 white_holding[0] = black_holding[0] = NULLCHAR;
12065 ClearProgramStats();
12066 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12070 flipView = appData.flipView;
12071 ClearPremoveHighlights();
12072 gotPremove = FALSE;
12073 alarmSounded = FALSE;
12074 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12076 GameEnds(EndOfFile, NULL, GE_PLAYER);
12077 if(appData.serverMovesName != NULL) {
12078 /* [HGM] prepare to make moves file for broadcasting */
12079 clock_t t = clock();
12080 if(serverMoves != NULL) fclose(serverMoves);
12081 serverMoves = fopen(appData.serverMovesName, "r");
12082 if(serverMoves != NULL) {
12083 fclose(serverMoves);
12084 /* delay 15 sec before overwriting, so all clients can see end */
12085 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12087 serverMoves = fopen(appData.serverMovesName, "w");
12091 gameMode = BeginningOfGame;
12093 if(appData.icsActive) gameInfo.variant = VariantNormal;
12094 currentMove = forwardMostMove = backwardMostMove = 0;
12095 MarkTargetSquares(1);
12096 InitPosition(redraw);
12097 for (i = 0; i < MAX_MOVES; i++) {
12098 if (commentList[i] != NULL) {
12099 free(commentList[i]);
12100 commentList[i] = NULL;
12104 timeRemaining[0][0] = whiteTimeRemaining;
12105 timeRemaining[1][0] = blackTimeRemaining;
12107 if (first.pr == NoProc) {
12108 StartChessProgram(&first);
12111 InitChessProgram(&first, startedFromSetupPosition);
12114 DisplayMessage("", "");
12115 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12116 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12117 ClearMap(); // [HGM] exclude: invalidate map
12121 AutoPlayGameLoop ()
12124 if (!AutoPlayOneMove())
12126 if (matchMode || appData.timeDelay == 0)
12128 if (appData.timeDelay < 0)
12130 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12138 ReloadGame(1); // next game
12144 int fromX, fromY, toX, toY;
12146 if (appData.debugMode) {
12147 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12150 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12153 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12154 pvInfoList[currentMove].depth = programStats.depth;
12155 pvInfoList[currentMove].score = programStats.score;
12156 pvInfoList[currentMove].time = 0;
12157 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12158 else { // append analysis of final position as comment
12160 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12161 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12163 programStats.depth = 0;
12166 if (currentMove >= forwardMostMove) {
12167 if(gameMode == AnalyzeFile) {
12168 if(appData.loadGameIndex == -1) {
12169 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12170 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12172 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12175 // gameMode = EndOfGame;
12176 // ModeHighlight();
12178 /* [AS] Clear current move marker at the end of a game */
12179 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12184 toX = moveList[currentMove][2] - AAA;
12185 toY = moveList[currentMove][3] - ONE;
12187 if (moveList[currentMove][1] == '@') {
12188 if (appData.highlightLastMove) {
12189 SetHighlights(-1, -1, toX, toY);
12192 fromX = moveList[currentMove][0] - AAA;
12193 fromY = moveList[currentMove][1] - ONE;
12195 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12197 if(moveList[currentMove][4] == ';') { // multi-leg
12198 killX = moveList[currentMove][5] - AAA;
12199 killY = moveList[currentMove][6] - ONE;
12201 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12202 killX = killY = -1;
12204 if (appData.highlightLastMove) {
12205 SetHighlights(fromX, fromY, toX, toY);
12208 DisplayMove(currentMove);
12209 SendMoveToProgram(currentMove++, &first);
12210 DisplayBothClocks();
12211 DrawPosition(FALSE, boards[currentMove]);
12212 // [HGM] PV info: always display, routine tests if empty
12213 DisplayComment(currentMove - 1, commentList[currentMove]);
12219 LoadGameOneMove (ChessMove readAhead)
12221 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12222 char promoChar = NULLCHAR;
12223 ChessMove moveType;
12224 char move[MSG_SIZ];
12227 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12228 gameMode != AnalyzeMode && gameMode != Training) {
12233 yyboardindex = forwardMostMove;
12234 if (readAhead != EndOfFile) {
12235 moveType = readAhead;
12237 if (gameFileFP == NULL)
12239 moveType = (ChessMove) Myylex();
12243 switch (moveType) {
12245 if (appData.debugMode)
12246 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12249 /* append the comment but don't display it */
12250 AppendComment(currentMove, p, FALSE);
12253 case WhiteCapturesEnPassant:
12254 case BlackCapturesEnPassant:
12255 case WhitePromotion:
12256 case BlackPromotion:
12257 case WhiteNonPromotion:
12258 case BlackNonPromotion:
12261 case WhiteKingSideCastle:
12262 case WhiteQueenSideCastle:
12263 case BlackKingSideCastle:
12264 case BlackQueenSideCastle:
12265 case WhiteKingSideCastleWild:
12266 case WhiteQueenSideCastleWild:
12267 case BlackKingSideCastleWild:
12268 case BlackQueenSideCastleWild:
12270 case WhiteHSideCastleFR:
12271 case WhiteASideCastleFR:
12272 case BlackHSideCastleFR:
12273 case BlackASideCastleFR:
12275 if (appData.debugMode)
12276 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12277 fromX = currentMoveString[0] - AAA;
12278 fromY = currentMoveString[1] - ONE;
12279 toX = currentMoveString[2] - AAA;
12280 toY = currentMoveString[3] - ONE;
12281 promoChar = currentMoveString[4];
12282 if(promoChar == ';') promoChar = currentMoveString[7];
12287 if (appData.debugMode)
12288 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12289 fromX = moveType == WhiteDrop ?
12290 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12291 (int) CharToPiece(ToLower(currentMoveString[0]));
12293 toX = currentMoveString[2] - AAA;
12294 toY = currentMoveString[3] - ONE;
12300 case GameUnfinished:
12301 if (appData.debugMode)
12302 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12303 p = strchr(yy_text, '{');
12304 if (p == NULL) p = strchr(yy_text, '(');
12307 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12309 q = strchr(p, *p == '{' ? '}' : ')');
12310 if (q != NULL) *q = NULLCHAR;
12313 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12314 GameEnds(moveType, p, GE_FILE);
12316 if (cmailMsgLoaded) {
12318 flipView = WhiteOnMove(currentMove);
12319 if (moveType == GameUnfinished) flipView = !flipView;
12320 if (appData.debugMode)
12321 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12326 if (appData.debugMode)
12327 fprintf(debugFP, "Parser hit end of file\n");
12328 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12334 if (WhiteOnMove(currentMove)) {
12335 GameEnds(BlackWins, "Black mates", GE_FILE);
12337 GameEnds(WhiteWins, "White mates", GE_FILE);
12341 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12347 case MoveNumberOne:
12348 if (lastLoadGameStart == GNUChessGame) {
12349 /* GNUChessGames have numbers, but they aren't move numbers */
12350 if (appData.debugMode)
12351 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12352 yy_text, (int) moveType);
12353 return LoadGameOneMove(EndOfFile); /* tail recursion */
12355 /* else fall thru */
12360 /* Reached start of next game in file */
12361 if (appData.debugMode)
12362 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12363 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12369 if (WhiteOnMove(currentMove)) {
12370 GameEnds(BlackWins, "Black mates", GE_FILE);
12372 GameEnds(WhiteWins, "White mates", GE_FILE);
12376 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12382 case PositionDiagram: /* should not happen; ignore */
12383 case ElapsedTime: /* ignore */
12384 case NAG: /* ignore */
12385 if (appData.debugMode)
12386 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12387 yy_text, (int) moveType);
12388 return LoadGameOneMove(EndOfFile); /* tail recursion */
12391 if (appData.testLegality) {
12392 if (appData.debugMode)
12393 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12394 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12395 (forwardMostMove / 2) + 1,
12396 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12397 DisplayError(move, 0);
12400 if (appData.debugMode)
12401 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12402 yy_text, currentMoveString);
12403 if(currentMoveString[1] == '@') {
12404 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12407 fromX = currentMoveString[0] - AAA;
12408 fromY = currentMoveString[1] - ONE;
12410 toX = currentMoveString[2] - AAA;
12411 toY = currentMoveString[3] - ONE;
12412 promoChar = currentMoveString[4];
12416 case AmbiguousMove:
12417 if (appData.debugMode)
12418 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12419 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12420 (forwardMostMove / 2) + 1,
12421 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12422 DisplayError(move, 0);
12427 case ImpossibleMove:
12428 if (appData.debugMode)
12429 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12430 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12431 (forwardMostMove / 2) + 1,
12432 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12433 DisplayError(move, 0);
12439 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12440 DrawPosition(FALSE, boards[currentMove]);
12441 DisplayBothClocks();
12442 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12443 DisplayComment(currentMove - 1, commentList[currentMove]);
12445 (void) StopLoadGameTimer();
12447 cmailOldMove = forwardMostMove;
12450 /* currentMoveString is set as a side-effect of yylex */
12452 thinkOutput[0] = NULLCHAR;
12453 MakeMove(fromX, fromY, toX, toY, promoChar);
12454 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12455 currentMove = forwardMostMove;
12460 /* Load the nth game from the given file */
12462 LoadGameFromFile (char *filename, int n, char *title, int useList)
12467 if (strcmp(filename, "-") == 0) {
12471 f = fopen(filename, "rb");
12473 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12474 DisplayError(buf, errno);
12478 if (fseek(f, 0, 0) == -1) {
12479 /* f is not seekable; probably a pipe */
12482 if (useList && n == 0) {
12483 int error = GameListBuild(f);
12485 DisplayError(_("Cannot build game list"), error);
12486 } else if (!ListEmpty(&gameList) &&
12487 ((ListGame *) gameList.tailPred)->number > 1) {
12488 GameListPopUp(f, title);
12495 return LoadGame(f, n, title, FALSE);
12500 MakeRegisteredMove ()
12502 int fromX, fromY, toX, toY;
12504 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12505 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12508 if (appData.debugMode)
12509 fprintf(debugFP, "Restoring %s for game %d\n",
12510 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12512 thinkOutput[0] = NULLCHAR;
12513 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12514 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12515 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12516 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12517 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12518 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12519 MakeMove(fromX, fromY, toX, toY, promoChar);
12520 ShowMove(fromX, fromY, toX, toY);
12522 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12529 if (WhiteOnMove(currentMove)) {
12530 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12532 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12537 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12544 if (WhiteOnMove(currentMove)) {
12545 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12547 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12552 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12563 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12565 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12569 if (gameNumber > nCmailGames) {
12570 DisplayError(_("No more games in this message"), 0);
12573 if (f == lastLoadGameFP) {
12574 int offset = gameNumber - lastLoadGameNumber;
12576 cmailMsg[0] = NULLCHAR;
12577 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12578 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12579 nCmailMovesRegistered--;
12581 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12582 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12583 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12586 if (! RegisterMove()) return FALSE;
12590 retVal = LoadGame(f, gameNumber, title, useList);
12592 /* Make move registered during previous look at this game, if any */
12593 MakeRegisteredMove();
12595 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12596 commentList[currentMove]
12597 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12598 DisplayComment(currentMove - 1, commentList[currentMove]);
12604 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12606 ReloadGame (int offset)
12608 int gameNumber = lastLoadGameNumber + offset;
12609 if (lastLoadGameFP == NULL) {
12610 DisplayError(_("No game has been loaded yet"), 0);
12613 if (gameNumber <= 0) {
12614 DisplayError(_("Can't back up any further"), 0);
12617 if (cmailMsgLoaded) {
12618 return CmailLoadGame(lastLoadGameFP, gameNumber,
12619 lastLoadGameTitle, lastLoadGameUseList);
12621 return LoadGame(lastLoadGameFP, gameNumber,
12622 lastLoadGameTitle, lastLoadGameUseList);
12626 int keys[EmptySquare+1];
12629 PositionMatches (Board b1, Board b2)
12632 switch(appData.searchMode) {
12633 case 1: return CompareWithRights(b1, b2);
12635 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12636 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12640 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12641 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12642 sum += keys[b1[r][f]] - keys[b2[r][f]];
12646 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12647 sum += keys[b1[r][f]] - keys[b2[r][f]];
12659 int pieceList[256], quickBoard[256];
12660 ChessSquare pieceType[256] = { EmptySquare };
12661 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12662 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12663 int soughtTotal, turn;
12664 Boolean epOK, flipSearch;
12667 unsigned char piece, to;
12670 #define DSIZE (250000)
12672 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12673 Move *moveDatabase = initialSpace;
12674 unsigned int movePtr, dataSize = DSIZE;
12677 MakePieceList (Board board, int *counts)
12679 int r, f, n=Q_PROMO, total=0;
12680 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12681 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12682 int sq = f + (r<<4);
12683 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12684 quickBoard[sq] = ++n;
12686 pieceType[n] = board[r][f];
12687 counts[board[r][f]]++;
12688 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12689 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12693 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12698 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12700 int sq = fromX + (fromY<<4);
12701 int piece = quickBoard[sq], rook;
12702 quickBoard[sq] = 0;
12703 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12704 if(piece == pieceList[1] && fromY == toY) {
12705 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12706 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12707 moveDatabase[movePtr++].piece = Q_WCASTL;
12708 quickBoard[sq] = piece;
12709 piece = quickBoard[from]; quickBoard[from] = 0;
12710 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12711 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12712 quickBoard[sq] = 0; // remove Rook
12713 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12714 moveDatabase[movePtr++].piece = Q_WCASTL;
12715 quickBoard[sq] = pieceList[1]; // put King
12717 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12720 if(piece == pieceList[2] && fromY == toY) {
12721 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12722 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12723 moveDatabase[movePtr++].piece = Q_BCASTL;
12724 quickBoard[sq] = piece;
12725 piece = quickBoard[from]; quickBoard[from] = 0;
12726 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12727 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12728 quickBoard[sq] = 0; // remove Rook
12729 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12730 moveDatabase[movePtr++].piece = Q_BCASTL;
12731 quickBoard[sq] = pieceList[2]; // put King
12733 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12736 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12737 quickBoard[(fromY<<4)+toX] = 0;
12738 moveDatabase[movePtr].piece = Q_EP;
12739 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12740 moveDatabase[movePtr].to = sq;
12742 if(promoPiece != pieceType[piece]) {
12743 moveDatabase[movePtr++].piece = Q_PROMO;
12744 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12746 moveDatabase[movePtr].piece = piece;
12747 quickBoard[sq] = piece;
12752 PackGame (Board board)
12754 Move *newSpace = NULL;
12755 moveDatabase[movePtr].piece = 0; // terminate previous game
12756 if(movePtr > dataSize) {
12757 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12758 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12759 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12762 Move *p = moveDatabase, *q = newSpace;
12763 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12764 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12765 moveDatabase = newSpace;
12766 } else { // calloc failed, we must be out of memory. Too bad...
12767 dataSize = 0; // prevent calloc events for all subsequent games
12768 return 0; // and signal this one isn't cached
12772 MakePieceList(board, counts);
12777 QuickCompare (Board board, int *minCounts, int *maxCounts)
12778 { // compare according to search mode
12780 switch(appData.searchMode)
12782 case 1: // exact position match
12783 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12784 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12785 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12788 case 2: // can have extra material on empty squares
12789 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12790 if(board[r][f] == EmptySquare) continue;
12791 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12794 case 3: // material with exact Pawn structure
12795 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12796 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12797 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12798 } // fall through to material comparison
12799 case 4: // exact material
12800 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12802 case 6: // material range with given imbalance
12803 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12804 // fall through to range comparison
12805 case 5: // material range
12806 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12812 QuickScan (Board board, Move *move)
12813 { // reconstruct game,and compare all positions in it
12814 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12816 int piece = move->piece;
12817 int to = move->to, from = pieceList[piece];
12818 if(found < 0) { // if already found just scan to game end for final piece count
12819 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12820 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12821 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12822 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12824 static int lastCounts[EmptySquare+1];
12826 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12827 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12828 } else stretch = 0;
12829 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12830 if(found >= 0 && !appData.minPieces) return found;
12832 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12833 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12834 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12835 piece = (++move)->piece;
12836 from = pieceList[piece];
12837 counts[pieceType[piece]]--;
12838 pieceType[piece] = (ChessSquare) move->to;
12839 counts[move->to]++;
12840 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12841 counts[pieceType[quickBoard[to]]]--;
12842 quickBoard[to] = 0; total--;
12845 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12846 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12847 from = pieceList[piece]; // so this must be King
12848 quickBoard[from] = 0;
12849 pieceList[piece] = to;
12850 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12851 quickBoard[from] = 0; // rook
12852 quickBoard[to] = piece;
12853 to = move->to; piece = move->piece;
12857 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12858 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12859 quickBoard[from] = 0;
12861 quickBoard[to] = piece;
12862 pieceList[piece] = to;
12872 flipSearch = FALSE;
12873 CopyBoard(soughtBoard, boards[currentMove]);
12874 soughtTotal = MakePieceList(soughtBoard, maxSought);
12875 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12876 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12877 CopyBoard(reverseBoard, boards[currentMove]);
12878 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12879 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12880 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12881 reverseBoard[r][f] = piece;
12883 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12884 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12885 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12886 || (boards[currentMove][CASTLING][2] == NoRights ||
12887 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12888 && (boards[currentMove][CASTLING][5] == NoRights ||
12889 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12892 CopyBoard(flipBoard, soughtBoard);
12893 CopyBoard(rotateBoard, reverseBoard);
12894 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12895 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12896 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12899 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12900 if(appData.searchMode >= 5) {
12901 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12902 MakePieceList(soughtBoard, minSought);
12903 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12905 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12906 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12909 GameInfo dummyInfo;
12910 static int creatingBook;
12913 GameContainsPosition (FILE *f, ListGame *lg)
12915 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12916 int fromX, fromY, toX, toY;
12918 static int initDone=FALSE;
12920 // weed out games based on numerical tag comparison
12921 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12922 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12923 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12924 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12926 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12929 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12930 else CopyBoard(boards[scratch], initialPosition); // default start position
12933 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12934 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12937 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12938 fseek(f, lg->offset, 0);
12941 yyboardindex = scratch;
12942 quickFlag = plyNr+1;
12947 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12953 if(plyNr) return -1; // after we have seen moves, this is for new game
12956 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12957 case ImpossibleMove:
12958 case WhiteWins: // game ends here with these four
12961 case GameUnfinished:
12965 if(appData.testLegality) return -1;
12966 case WhiteCapturesEnPassant:
12967 case BlackCapturesEnPassant:
12968 case WhitePromotion:
12969 case BlackPromotion:
12970 case WhiteNonPromotion:
12971 case BlackNonPromotion:
12974 case WhiteKingSideCastle:
12975 case WhiteQueenSideCastle:
12976 case BlackKingSideCastle:
12977 case BlackQueenSideCastle:
12978 case WhiteKingSideCastleWild:
12979 case WhiteQueenSideCastleWild:
12980 case BlackKingSideCastleWild:
12981 case BlackQueenSideCastleWild:
12982 case WhiteHSideCastleFR:
12983 case WhiteASideCastleFR:
12984 case BlackHSideCastleFR:
12985 case BlackASideCastleFR:
12986 fromX = currentMoveString[0] - AAA;
12987 fromY = currentMoveString[1] - ONE;
12988 toX = currentMoveString[2] - AAA;
12989 toY = currentMoveString[3] - ONE;
12990 promoChar = currentMoveString[4];
12994 fromX = next == WhiteDrop ?
12995 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12996 (int) CharToPiece(ToLower(currentMoveString[0]));
12998 toX = currentMoveString[2] - AAA;
12999 toY = currentMoveString[3] - ONE;
13003 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13005 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13006 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13007 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13008 if(appData.findMirror) {
13009 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13010 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13015 /* Load the nth game from open file f */
13017 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13021 int gn = gameNumber;
13022 ListGame *lg = NULL;
13023 int numPGNTags = 0, i;
13025 GameMode oldGameMode;
13026 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13027 char oldName[MSG_SIZ];
13029 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13031 if (appData.debugMode)
13032 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13034 if (gameMode == Training )
13035 SetTrainingModeOff();
13037 oldGameMode = gameMode;
13038 if (gameMode != BeginningOfGame) {
13039 Reset(FALSE, TRUE);
13041 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13044 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13045 fclose(lastLoadGameFP);
13049 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13052 fseek(f, lg->offset, 0);
13053 GameListHighlight(gameNumber);
13054 pos = lg->position;
13058 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13059 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13061 DisplayError(_("Game number out of range"), 0);
13066 if (fseek(f, 0, 0) == -1) {
13067 if (f == lastLoadGameFP ?
13068 gameNumber == lastLoadGameNumber + 1 :
13072 DisplayError(_("Can't seek on game file"), 0);
13077 lastLoadGameFP = f;
13078 lastLoadGameNumber = gameNumber;
13079 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13080 lastLoadGameUseList = useList;
13084 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13085 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13086 lg->gameInfo.black);
13088 } else if (*title != NULLCHAR) {
13089 if (gameNumber > 1) {
13090 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13093 DisplayTitle(title);
13097 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13098 gameMode = PlayFromGameFile;
13102 currentMove = forwardMostMove = backwardMostMove = 0;
13103 CopyBoard(boards[0], initialPosition);
13107 * Skip the first gn-1 games in the file.
13108 * Also skip over anything that precedes an identifiable
13109 * start of game marker, to avoid being confused by
13110 * garbage at the start of the file. Currently
13111 * recognized start of game markers are the move number "1",
13112 * the pattern "gnuchess .* game", the pattern
13113 * "^[#;%] [^ ]* game file", and a PGN tag block.
13114 * A game that starts with one of the latter two patterns
13115 * will also have a move number 1, possibly
13116 * following a position diagram.
13117 * 5-4-02: Let's try being more lenient and allowing a game to
13118 * start with an unnumbered move. Does that break anything?
13120 cm = lastLoadGameStart = EndOfFile;
13122 yyboardindex = forwardMostMove;
13123 cm = (ChessMove) Myylex();
13126 if (cmailMsgLoaded) {
13127 nCmailGames = CMAIL_MAX_GAMES - gn;
13130 DisplayError(_("Game not found in file"), 0);
13137 lastLoadGameStart = cm;
13140 case MoveNumberOne:
13141 switch (lastLoadGameStart) {
13146 case MoveNumberOne:
13148 gn--; /* count this game */
13149 lastLoadGameStart = cm;
13158 switch (lastLoadGameStart) {
13161 case MoveNumberOne:
13163 gn--; /* count this game */
13164 lastLoadGameStart = cm;
13167 lastLoadGameStart = cm; /* game counted already */
13175 yyboardindex = forwardMostMove;
13176 cm = (ChessMove) Myylex();
13177 } while (cm == PGNTag || cm == Comment);
13184 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13185 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13186 != CMAIL_OLD_RESULT) {
13188 cmailResult[ CMAIL_MAX_GAMES
13189 - gn - 1] = CMAIL_OLD_RESULT;
13196 /* Only a NormalMove can be at the start of a game
13197 * without a position diagram. */
13198 if (lastLoadGameStart == EndOfFile ) {
13200 lastLoadGameStart = MoveNumberOne;
13209 if (appData.debugMode)
13210 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13212 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13214 if (cm == XBoardGame) {
13215 /* Skip any header junk before position diagram and/or move 1 */
13217 yyboardindex = forwardMostMove;
13218 cm = (ChessMove) Myylex();
13220 if (cm == EndOfFile ||
13221 cm == GNUChessGame || cm == XBoardGame) {
13222 /* Empty game; pretend end-of-file and handle later */
13227 if (cm == MoveNumberOne || cm == PositionDiagram ||
13228 cm == PGNTag || cm == Comment)
13231 } else if (cm == GNUChessGame) {
13232 if (gameInfo.event != NULL) {
13233 free(gameInfo.event);
13235 gameInfo.event = StrSave(yy_text);
13238 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13239 while (cm == PGNTag) {
13240 if (appData.debugMode)
13241 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13242 err = ParsePGNTag(yy_text, &gameInfo);
13243 if (!err) numPGNTags++;
13245 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13246 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13247 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13248 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13249 InitPosition(TRUE);
13250 oldVariant = gameInfo.variant;
13251 if (appData.debugMode)
13252 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13256 if (gameInfo.fen != NULL) {
13257 Board initial_position;
13258 startedFromSetupPosition = TRUE;
13259 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13261 DisplayError(_("Bad FEN position in file"), 0);
13264 CopyBoard(boards[0], initial_position);
13265 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13266 CopyBoard(initialPosition, initial_position);
13267 if (blackPlaysFirst) {
13268 currentMove = forwardMostMove = backwardMostMove = 1;
13269 CopyBoard(boards[1], initial_position);
13270 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13271 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13272 timeRemaining[0][1] = whiteTimeRemaining;
13273 timeRemaining[1][1] = blackTimeRemaining;
13274 if (commentList[0] != NULL) {
13275 commentList[1] = commentList[0];
13276 commentList[0] = NULL;
13279 currentMove = forwardMostMove = backwardMostMove = 0;
13281 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13283 initialRulePlies = FENrulePlies;
13284 for( i=0; i< nrCastlingRights; i++ )
13285 initialRights[i] = initial_position[CASTLING][i];
13287 yyboardindex = forwardMostMove;
13288 free(gameInfo.fen);
13289 gameInfo.fen = NULL;
13292 yyboardindex = forwardMostMove;
13293 cm = (ChessMove) Myylex();
13295 /* Handle comments interspersed among the tags */
13296 while (cm == Comment) {
13298 if (appData.debugMode)
13299 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13301 AppendComment(currentMove, p, FALSE);
13302 yyboardindex = forwardMostMove;
13303 cm = (ChessMove) Myylex();
13307 /* don't rely on existence of Event tag since if game was
13308 * pasted from clipboard the Event tag may not exist
13310 if (numPGNTags > 0){
13312 if (gameInfo.variant == VariantNormal) {
13313 VariantClass v = StringToVariant(gameInfo.event);
13314 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13315 if(v < VariantShogi) gameInfo.variant = v;
13318 if( appData.autoDisplayTags ) {
13319 tags = PGNTags(&gameInfo);
13320 TagsPopUp(tags, CmailMsg());
13325 /* Make something up, but don't display it now */
13330 if (cm == PositionDiagram) {
13333 Board initial_position;
13335 if (appData.debugMode)
13336 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13338 if (!startedFromSetupPosition) {
13340 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13341 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13352 initial_position[i][j++] = CharToPiece(*p);
13355 while (*p == ' ' || *p == '\t' ||
13356 *p == '\n' || *p == '\r') p++;
13358 if (strncmp(p, "black", strlen("black"))==0)
13359 blackPlaysFirst = TRUE;
13361 blackPlaysFirst = FALSE;
13362 startedFromSetupPosition = TRUE;
13364 CopyBoard(boards[0], initial_position);
13365 if (blackPlaysFirst) {
13366 currentMove = forwardMostMove = backwardMostMove = 1;
13367 CopyBoard(boards[1], initial_position);
13368 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13369 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13370 timeRemaining[0][1] = whiteTimeRemaining;
13371 timeRemaining[1][1] = blackTimeRemaining;
13372 if (commentList[0] != NULL) {
13373 commentList[1] = commentList[0];
13374 commentList[0] = NULL;
13377 currentMove = forwardMostMove = backwardMostMove = 0;
13380 yyboardindex = forwardMostMove;
13381 cm = (ChessMove) Myylex();
13384 if(!creatingBook) {
13385 if (first.pr == NoProc) {
13386 StartChessProgram(&first);
13388 InitChessProgram(&first, FALSE);
13389 if(gameInfo.variant == VariantUnknown && *oldName) {
13390 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13391 gameInfo.variant = v;
13393 SendToProgram("force\n", &first);
13394 if (startedFromSetupPosition) {
13395 SendBoard(&first, forwardMostMove);
13396 if (appData.debugMode) {
13397 fprintf(debugFP, "Load Game\n");
13399 DisplayBothClocks();
13403 /* [HGM] server: flag to write setup moves in broadcast file as one */
13404 loadFlag = appData.suppressLoadMoves;
13406 while (cm == Comment) {
13408 if (appData.debugMode)
13409 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13411 AppendComment(currentMove, p, FALSE);
13412 yyboardindex = forwardMostMove;
13413 cm = (ChessMove) Myylex();
13416 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13417 cm == WhiteWins || cm == BlackWins ||
13418 cm == GameIsDrawn || cm == GameUnfinished) {
13419 DisplayMessage("", _("No moves in game"));
13420 if (cmailMsgLoaded) {
13421 if (appData.debugMode)
13422 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13426 DrawPosition(FALSE, boards[currentMove]);
13427 DisplayBothClocks();
13428 gameMode = EditGame;
13435 // [HGM] PV info: routine tests if comment empty
13436 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13437 DisplayComment(currentMove - 1, commentList[currentMove]);
13439 if (!matchMode && appData.timeDelay != 0)
13440 DrawPosition(FALSE, boards[currentMove]);
13442 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13443 programStats.ok_to_send = 1;
13446 /* if the first token after the PGN tags is a move
13447 * and not move number 1, retrieve it from the parser
13449 if (cm != MoveNumberOne)
13450 LoadGameOneMove(cm);
13452 /* load the remaining moves from the file */
13453 while (LoadGameOneMove(EndOfFile)) {
13454 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13455 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13458 /* rewind to the start of the game */
13459 currentMove = backwardMostMove;
13461 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13463 if (oldGameMode == AnalyzeFile) {
13464 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13465 AnalyzeFileEvent();
13467 if (oldGameMode == AnalyzeMode) {
13468 AnalyzeFileEvent();
13471 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13472 long int w, b; // [HGM] adjourn: restore saved clock times
13473 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13474 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13475 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13476 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13480 if(creatingBook) return TRUE;
13481 if (!matchMode && pos > 0) {
13482 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13484 if (matchMode || appData.timeDelay == 0) {
13486 } else if (appData.timeDelay > 0) {
13487 AutoPlayGameLoop();
13490 if (appData.debugMode)
13491 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13493 loadFlag = 0; /* [HGM] true game starts */
13497 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13499 ReloadPosition (int offset)
13501 int positionNumber = lastLoadPositionNumber + offset;
13502 if (lastLoadPositionFP == NULL) {
13503 DisplayError(_("No position has been loaded yet"), 0);
13506 if (positionNumber <= 0) {
13507 DisplayError(_("Can't back up any further"), 0);
13510 return LoadPosition(lastLoadPositionFP, positionNumber,
13511 lastLoadPositionTitle);
13514 /* Load the nth position from the given file */
13516 LoadPositionFromFile (char *filename, int n, char *title)
13521 if (strcmp(filename, "-") == 0) {
13522 return LoadPosition(stdin, n, "stdin");
13524 f = fopen(filename, "rb");
13526 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13527 DisplayError(buf, errno);
13530 return LoadPosition(f, n, title);
13535 /* Load the nth position from the given open file, and close it */
13537 LoadPosition (FILE *f, int positionNumber, char *title)
13539 char *p, line[MSG_SIZ];
13540 Board initial_position;
13541 int i, j, fenMode, pn;
13543 if (gameMode == Training )
13544 SetTrainingModeOff();
13546 if (gameMode != BeginningOfGame) {
13547 Reset(FALSE, TRUE);
13549 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13550 fclose(lastLoadPositionFP);
13552 if (positionNumber == 0) positionNumber = 1;
13553 lastLoadPositionFP = f;
13554 lastLoadPositionNumber = positionNumber;
13555 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13556 if (first.pr == NoProc && !appData.noChessProgram) {
13557 StartChessProgram(&first);
13558 InitChessProgram(&first, FALSE);
13560 pn = positionNumber;
13561 if (positionNumber < 0) {
13562 /* Negative position number means to seek to that byte offset */
13563 if (fseek(f, -positionNumber, 0) == -1) {
13564 DisplayError(_("Can't seek on position file"), 0);
13569 if (fseek(f, 0, 0) == -1) {
13570 if (f == lastLoadPositionFP ?
13571 positionNumber == lastLoadPositionNumber + 1 :
13572 positionNumber == 1) {
13575 DisplayError(_("Can't seek on position file"), 0);
13580 /* See if this file is FEN or old-style xboard */
13581 if (fgets(line, MSG_SIZ, f) == NULL) {
13582 DisplayError(_("Position not found in file"), 0);
13585 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13586 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13589 if (fenMode || line[0] == '#') pn--;
13591 /* skip positions before number pn */
13592 if (fgets(line, MSG_SIZ, f) == NULL) {
13594 DisplayError(_("Position not found in file"), 0);
13597 if (fenMode || line[0] == '#') pn--;
13603 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13604 DisplayError(_("Bad FEN position in file"), 0);
13607 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13608 sscanf(p+4, "%[^;]", bestMove);
13609 } else *bestMove = NULLCHAR;
13610 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13611 sscanf(p+4, "%[^;]", avoidMove);
13612 } else *avoidMove = NULLCHAR;
13614 (void) fgets(line, MSG_SIZ, f);
13615 (void) fgets(line, MSG_SIZ, f);
13617 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13618 (void) fgets(line, MSG_SIZ, f);
13619 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13622 initial_position[i][j++] = CharToPiece(*p);
13626 blackPlaysFirst = FALSE;
13628 (void) fgets(line, MSG_SIZ, f);
13629 if (strncmp(line, "black", strlen("black"))==0)
13630 blackPlaysFirst = TRUE;
13633 startedFromSetupPosition = TRUE;
13635 CopyBoard(boards[0], initial_position);
13636 if (blackPlaysFirst) {
13637 currentMove = forwardMostMove = backwardMostMove = 1;
13638 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13639 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13640 CopyBoard(boards[1], initial_position);
13641 DisplayMessage("", _("Black to play"));
13643 currentMove = forwardMostMove = backwardMostMove = 0;
13644 DisplayMessage("", _("White to play"));
13646 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13647 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13648 SendToProgram("force\n", &first);
13649 SendBoard(&first, forwardMostMove);
13651 if (appData.debugMode) {
13653 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13654 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13655 fprintf(debugFP, "Load Position\n");
13658 if (positionNumber > 1) {
13659 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13660 DisplayTitle(line);
13662 DisplayTitle(title);
13664 gameMode = EditGame;
13667 timeRemaining[0][1] = whiteTimeRemaining;
13668 timeRemaining[1][1] = blackTimeRemaining;
13669 DrawPosition(FALSE, boards[currentMove]);
13676 CopyPlayerNameIntoFileName (char **dest, char *src)
13678 while (*src != NULLCHAR && *src != ',') {
13683 *(*dest)++ = *src++;
13689 DefaultFileName (char *ext)
13691 static char def[MSG_SIZ];
13694 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13696 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13698 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13700 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13707 /* Save the current game to the given file */
13709 SaveGameToFile (char *filename, int append)
13713 int result, i, t,tot=0;
13715 if (strcmp(filename, "-") == 0) {
13716 return SaveGame(stdout, 0, NULL);
13718 for(i=0; i<10; i++) { // upto 10 tries
13719 f = fopen(filename, append ? "a" : "w");
13720 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13721 if(f || errno != 13) break;
13722 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13726 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13727 DisplayError(buf, errno);
13730 safeStrCpy(buf, lastMsg, MSG_SIZ);
13731 DisplayMessage(_("Waiting for access to save file"), "");
13732 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13733 DisplayMessage(_("Saving game"), "");
13734 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13735 result = SaveGame(f, 0, NULL);
13736 DisplayMessage(buf, "");
13743 SavePart (char *str)
13745 static char buf[MSG_SIZ];
13748 p = strchr(str, ' ');
13749 if (p == NULL) return str;
13750 strncpy(buf, str, p - str);
13751 buf[p - str] = NULLCHAR;
13755 #define PGN_MAX_LINE 75
13757 #define PGN_SIDE_WHITE 0
13758 #define PGN_SIDE_BLACK 1
13761 FindFirstMoveOutOfBook (int side)
13765 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13766 int index = backwardMostMove;
13767 int has_book_hit = 0;
13769 if( (index % 2) != side ) {
13773 while( index < forwardMostMove ) {
13774 /* Check to see if engine is in book */
13775 int depth = pvInfoList[index].depth;
13776 int score = pvInfoList[index].score;
13782 else if( score == 0 && depth == 63 ) {
13783 in_book = 1; /* Zappa */
13785 else if( score == 2 && depth == 99 ) {
13786 in_book = 1; /* Abrok */
13789 has_book_hit += in_book;
13805 GetOutOfBookInfo (char * buf)
13809 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13811 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13812 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13816 if( oob[0] >= 0 || oob[1] >= 0 ) {
13817 for( i=0; i<2; i++ ) {
13821 if( i > 0 && oob[0] >= 0 ) {
13822 strcat( buf, " " );
13825 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13826 sprintf( buf+strlen(buf), "%s%.2f",
13827 pvInfoList[idx].score >= 0 ? "+" : "",
13828 pvInfoList[idx].score / 100.0 );
13834 /* Save game in PGN style */
13836 SaveGamePGN2 (FILE *f)
13838 int i, offset, linelen, newblock;
13841 int movelen, numlen, blank;
13842 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13844 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13846 PrintPGNTags(f, &gameInfo);
13848 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13850 if (backwardMostMove > 0 || startedFromSetupPosition) {
13851 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13852 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13853 fprintf(f, "\n{--------------\n");
13854 PrintPosition(f, backwardMostMove);
13855 fprintf(f, "--------------}\n");
13859 /* [AS] Out of book annotation */
13860 if( appData.saveOutOfBookInfo ) {
13863 GetOutOfBookInfo( buf );
13865 if( buf[0] != '\0' ) {
13866 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13873 i = backwardMostMove;
13877 while (i < forwardMostMove) {
13878 /* Print comments preceding this move */
13879 if (commentList[i] != NULL) {
13880 if (linelen > 0) fprintf(f, "\n");
13881 fprintf(f, "%s", commentList[i]);
13886 /* Format move number */
13888 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13891 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13893 numtext[0] = NULLCHAR;
13895 numlen = strlen(numtext);
13898 /* Print move number */
13899 blank = linelen > 0 && numlen > 0;
13900 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13909 fprintf(f, "%s", numtext);
13913 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13914 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13917 blank = linelen > 0 && movelen > 0;
13918 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13927 fprintf(f, "%s", move_buffer);
13928 linelen += movelen;
13930 /* [AS] Add PV info if present */
13931 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13932 /* [HGM] add time */
13933 char buf[MSG_SIZ]; int seconds;
13935 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13941 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13944 seconds = (seconds + 4)/10; // round to full seconds
13946 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13948 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13951 if(appData.cumulativeTimePGN) {
13952 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13955 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13956 pvInfoList[i].score >= 0 ? "+" : "",
13957 pvInfoList[i].score / 100.0,
13958 pvInfoList[i].depth,
13961 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13963 /* Print score/depth */
13964 blank = linelen > 0 && movelen > 0;
13965 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13974 fprintf(f, "%s", move_buffer);
13975 linelen += movelen;
13981 /* Start a new line */
13982 if (linelen > 0) fprintf(f, "\n");
13984 /* Print comments after last move */
13985 if (commentList[i] != NULL) {
13986 fprintf(f, "%s\n", commentList[i]);
13990 if (gameInfo.resultDetails != NULL &&
13991 gameInfo.resultDetails[0] != NULLCHAR) {
13992 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13993 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13994 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13995 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13996 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13998 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14002 /* Save game in PGN style and close the file */
14004 SaveGamePGN (FILE *f)
14008 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14012 /* Save game in old style and close the file */
14014 SaveGameOldStyle (FILE *f)
14019 tm = time((time_t *) NULL);
14021 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14024 if (backwardMostMove > 0 || startedFromSetupPosition) {
14025 fprintf(f, "\n[--------------\n");
14026 PrintPosition(f, backwardMostMove);
14027 fprintf(f, "--------------]\n");
14032 i = backwardMostMove;
14033 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14035 while (i < forwardMostMove) {
14036 if (commentList[i] != NULL) {
14037 fprintf(f, "[%s]\n", commentList[i]);
14040 if ((i % 2) == 1) {
14041 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14044 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14046 if (commentList[i] != NULL) {
14050 if (i >= forwardMostMove) {
14054 fprintf(f, "%s\n", parseList[i]);
14059 if (commentList[i] != NULL) {
14060 fprintf(f, "[%s]\n", commentList[i]);
14063 /* This isn't really the old style, but it's close enough */
14064 if (gameInfo.resultDetails != NULL &&
14065 gameInfo.resultDetails[0] != NULLCHAR) {
14066 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14067 gameInfo.resultDetails);
14069 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14076 /* Save the current game to open file f and close the file */
14078 SaveGame (FILE *f, int dummy, char *dummy2)
14080 if (gameMode == EditPosition) EditPositionDone(TRUE);
14081 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14082 if (appData.oldSaveStyle)
14083 return SaveGameOldStyle(f);
14085 return SaveGamePGN(f);
14088 /* Save the current position to the given file */
14090 SavePositionToFile (char *filename)
14095 if (strcmp(filename, "-") == 0) {
14096 return SavePosition(stdout, 0, NULL);
14098 f = fopen(filename, "a");
14100 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14101 DisplayError(buf, errno);
14104 safeStrCpy(buf, lastMsg, MSG_SIZ);
14105 DisplayMessage(_("Waiting for access to save file"), "");
14106 flock(fileno(f), LOCK_EX); // [HGM] lock
14107 DisplayMessage(_("Saving position"), "");
14108 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14109 SavePosition(f, 0, NULL);
14110 DisplayMessage(buf, "");
14116 /* Save the current position to the given open file and close the file */
14118 SavePosition (FILE *f, int dummy, char *dummy2)
14123 if (gameMode == EditPosition) EditPositionDone(TRUE);
14124 if (appData.oldSaveStyle) {
14125 tm = time((time_t *) NULL);
14127 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14129 fprintf(f, "[--------------\n");
14130 PrintPosition(f, currentMove);
14131 fprintf(f, "--------------]\n");
14133 fen = PositionToFEN(currentMove, NULL, 1);
14134 fprintf(f, "%s\n", fen);
14142 ReloadCmailMsgEvent (int unregister)
14145 static char *inFilename = NULL;
14146 static char *outFilename;
14148 struct stat inbuf, outbuf;
14151 /* Any registered moves are unregistered if unregister is set, */
14152 /* i.e. invoked by the signal handler */
14154 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14155 cmailMoveRegistered[i] = FALSE;
14156 if (cmailCommentList[i] != NULL) {
14157 free(cmailCommentList[i]);
14158 cmailCommentList[i] = NULL;
14161 nCmailMovesRegistered = 0;
14164 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14165 cmailResult[i] = CMAIL_NOT_RESULT;
14169 if (inFilename == NULL) {
14170 /* Because the filenames are static they only get malloced once */
14171 /* and they never get freed */
14172 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14173 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14175 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14176 sprintf(outFilename, "%s.out", appData.cmailGameName);
14179 status = stat(outFilename, &outbuf);
14181 cmailMailedMove = FALSE;
14183 status = stat(inFilename, &inbuf);
14184 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14187 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14188 counts the games, notes how each one terminated, etc.
14190 It would be nice to remove this kludge and instead gather all
14191 the information while building the game list. (And to keep it
14192 in the game list nodes instead of having a bunch of fixed-size
14193 parallel arrays.) Note this will require getting each game's
14194 termination from the PGN tags, as the game list builder does
14195 not process the game moves. --mann
14197 cmailMsgLoaded = TRUE;
14198 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14200 /* Load first game in the file or popup game menu */
14201 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14203 #endif /* !WIN32 */
14211 char string[MSG_SIZ];
14213 if ( cmailMailedMove
14214 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14215 return TRUE; /* Allow free viewing */
14218 /* Unregister move to ensure that we don't leave RegisterMove */
14219 /* with the move registered when the conditions for registering no */
14221 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14222 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14223 nCmailMovesRegistered --;
14225 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14227 free(cmailCommentList[lastLoadGameNumber - 1]);
14228 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14232 if (cmailOldMove == -1) {
14233 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14237 if (currentMove > cmailOldMove + 1) {
14238 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14242 if (currentMove < cmailOldMove) {
14243 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14247 if (forwardMostMove > currentMove) {
14248 /* Silently truncate extra moves */
14252 if ( (currentMove == cmailOldMove + 1)
14253 || ( (currentMove == cmailOldMove)
14254 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14255 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14256 if (gameInfo.result != GameUnfinished) {
14257 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14260 if (commentList[currentMove] != NULL) {
14261 cmailCommentList[lastLoadGameNumber - 1]
14262 = StrSave(commentList[currentMove]);
14264 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14266 if (appData.debugMode)
14267 fprintf(debugFP, "Saving %s for game %d\n",
14268 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14270 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14272 f = fopen(string, "w");
14273 if (appData.oldSaveStyle) {
14274 SaveGameOldStyle(f); /* also closes the file */
14276 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14277 f = fopen(string, "w");
14278 SavePosition(f, 0, NULL); /* also closes the file */
14280 fprintf(f, "{--------------\n");
14281 PrintPosition(f, currentMove);
14282 fprintf(f, "--------------}\n\n");
14284 SaveGame(f, 0, NULL); /* also closes the file*/
14287 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14288 nCmailMovesRegistered ++;
14289 } else if (nCmailGames == 1) {
14290 DisplayError(_("You have not made a move yet"), 0);
14301 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14302 FILE *commandOutput;
14303 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14304 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14310 if (! cmailMsgLoaded) {
14311 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14315 if (nCmailGames == nCmailResults) {
14316 DisplayError(_("No unfinished games"), 0);
14320 #if CMAIL_PROHIBIT_REMAIL
14321 if (cmailMailedMove) {
14322 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);
14323 DisplayError(msg, 0);
14328 if (! (cmailMailedMove || RegisterMove())) return;
14330 if ( cmailMailedMove
14331 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14332 snprintf(string, MSG_SIZ, partCommandString,
14333 appData.debugMode ? " -v" : "", appData.cmailGameName);
14334 commandOutput = popen(string, "r");
14336 if (commandOutput == NULL) {
14337 DisplayError(_("Failed to invoke cmail"), 0);
14339 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14340 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14342 if (nBuffers > 1) {
14343 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14344 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14345 nBytes = MSG_SIZ - 1;
14347 (void) memcpy(msg, buffer, nBytes);
14349 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14351 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14352 cmailMailedMove = TRUE; /* Prevent >1 moves */
14355 for (i = 0; i < nCmailGames; i ++) {
14356 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14361 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14363 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14365 appData.cmailGameName,
14367 LoadGameFromFile(buffer, 1, buffer, FALSE);
14368 cmailMsgLoaded = FALSE;
14372 DisplayInformation(msg);
14373 pclose(commandOutput);
14376 if ((*cmailMsg) != '\0') {
14377 DisplayInformation(cmailMsg);
14382 #endif /* !WIN32 */
14391 int prependComma = 0;
14393 char string[MSG_SIZ]; /* Space for game-list */
14396 if (!cmailMsgLoaded) return "";
14398 if (cmailMailedMove) {
14399 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14401 /* Create a list of games left */
14402 snprintf(string, MSG_SIZ, "[");
14403 for (i = 0; i < nCmailGames; i ++) {
14404 if (! ( cmailMoveRegistered[i]
14405 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14406 if (prependComma) {
14407 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14409 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14413 strcat(string, number);
14416 strcat(string, "]");
14418 if (nCmailMovesRegistered + nCmailResults == 0) {
14419 switch (nCmailGames) {
14421 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14425 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14429 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14434 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14436 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14441 if (nCmailResults == nCmailGames) {
14442 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14444 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14449 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14461 if (gameMode == Training)
14462 SetTrainingModeOff();
14465 cmailMsgLoaded = FALSE;
14466 if (appData.icsActive) {
14467 SendToICS(ics_prefix);
14468 SendToICS("refresh\n");
14473 ExitEvent (int status)
14477 /* Give up on clean exit */
14481 /* Keep trying for clean exit */
14485 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14486 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14488 if (telnetISR != NULL) {
14489 RemoveInputSource(telnetISR);
14491 if (icsPR != NoProc) {
14492 DestroyChildProcess(icsPR, TRUE);
14495 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14496 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14498 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14499 /* make sure this other one finishes before killing it! */
14500 if(endingGame) { int count = 0;
14501 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14502 while(endingGame && count++ < 10) DoSleep(1);
14503 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14506 /* Kill off chess programs */
14507 if (first.pr != NoProc) {
14510 DoSleep( appData.delayBeforeQuit );
14511 SendToProgram("quit\n", &first);
14512 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14514 if (second.pr != NoProc) {
14515 DoSleep( appData.delayBeforeQuit );
14516 SendToProgram("quit\n", &second);
14517 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14519 if (first.isr != NULL) {
14520 RemoveInputSource(first.isr);
14522 if (second.isr != NULL) {
14523 RemoveInputSource(second.isr);
14526 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14527 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14529 ShutDownFrontEnd();
14534 PauseEngine (ChessProgramState *cps)
14536 SendToProgram("pause\n", cps);
14541 UnPauseEngine (ChessProgramState *cps)
14543 SendToProgram("resume\n", cps);
14550 if (appData.debugMode)
14551 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14555 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14557 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14558 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14559 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14561 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14562 HandleMachineMove(stashedInputMove, stalledEngine);
14563 stalledEngine = NULL;
14566 if (gameMode == MachinePlaysWhite ||
14567 gameMode == TwoMachinesPlay ||
14568 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14569 if(first.pause) UnPauseEngine(&first);
14570 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14571 if(second.pause) UnPauseEngine(&second);
14572 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14575 DisplayBothClocks();
14577 if (gameMode == PlayFromGameFile) {
14578 if (appData.timeDelay >= 0)
14579 AutoPlayGameLoop();
14580 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14581 Reset(FALSE, TRUE);
14582 SendToICS(ics_prefix);
14583 SendToICS("refresh\n");
14584 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14585 ForwardInner(forwardMostMove);
14587 pauseExamInvalid = FALSE;
14589 switch (gameMode) {
14593 pauseExamForwardMostMove = forwardMostMove;
14594 pauseExamInvalid = FALSE;
14597 case IcsPlayingWhite:
14598 case IcsPlayingBlack:
14602 case PlayFromGameFile:
14603 (void) StopLoadGameTimer();
14607 case BeginningOfGame:
14608 if (appData.icsActive) return;
14609 /* else fall through */
14610 case MachinePlaysWhite:
14611 case MachinePlaysBlack:
14612 case TwoMachinesPlay:
14613 if (forwardMostMove == 0)
14614 return; /* don't pause if no one has moved */
14615 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14616 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14617 if(onMove->pause) { // thinking engine can be paused
14618 PauseEngine(onMove); // do it
14619 if(onMove->other->pause) // pondering opponent can always be paused immediately
14620 PauseEngine(onMove->other);
14622 SendToProgram("easy\n", onMove->other);
14624 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14625 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14627 PauseEngine(&first);
14629 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14630 } else { // human on move, pause pondering by either method
14632 PauseEngine(&first);
14633 else if(appData.ponderNextMove)
14634 SendToProgram("easy\n", &first);
14637 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14647 EditCommentEvent ()
14649 char title[MSG_SIZ];
14651 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14652 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14654 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14655 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14656 parseList[currentMove - 1]);
14659 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14666 char *tags = PGNTags(&gameInfo);
14668 EditTagsPopUp(tags, NULL);
14675 if(second.analyzing) {
14676 SendToProgram("exit\n", &second);
14677 second.analyzing = FALSE;
14679 if (second.pr == NoProc) StartChessProgram(&second);
14680 InitChessProgram(&second, FALSE);
14681 FeedMovesToProgram(&second, currentMove);
14683 SendToProgram("analyze\n", &second);
14684 second.analyzing = TRUE;
14688 /* Toggle ShowThinking */
14690 ToggleShowThinking()
14692 appData.showThinking = !appData.showThinking;
14693 ShowThinkingEvent();
14697 AnalyzeModeEvent ()
14701 if (!first.analysisSupport) {
14702 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14703 DisplayError(buf, 0);
14706 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14707 if (appData.icsActive) {
14708 if (gameMode != IcsObserving) {
14709 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14710 DisplayError(buf, 0);
14712 if (appData.icsEngineAnalyze) {
14713 if (appData.debugMode)
14714 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14720 /* if enable, user wants to disable icsEngineAnalyze */
14721 if (appData.icsEngineAnalyze) {
14726 appData.icsEngineAnalyze = TRUE;
14727 if (appData.debugMode)
14728 fprintf(debugFP, "ICS engine analyze starting... \n");
14731 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14732 if (appData.noChessProgram || gameMode == AnalyzeMode)
14735 if (gameMode != AnalyzeFile) {
14736 if (!appData.icsEngineAnalyze) {
14738 if (gameMode != EditGame) return 0;
14740 if (!appData.showThinking) ToggleShowThinking();
14741 ResurrectChessProgram();
14742 SendToProgram("analyze\n", &first);
14743 first.analyzing = TRUE;
14744 /*first.maybeThinking = TRUE;*/
14745 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14746 EngineOutputPopUp();
14748 if (!appData.icsEngineAnalyze) {
14749 gameMode = AnalyzeMode;
14750 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14756 StartAnalysisClock();
14757 GetTimeMark(&lastNodeCountTime);
14763 AnalyzeFileEvent ()
14765 if (appData.noChessProgram || gameMode == AnalyzeFile)
14768 if (!first.analysisSupport) {
14770 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14771 DisplayError(buf, 0);
14775 if (gameMode != AnalyzeMode) {
14776 keepInfo = 1; // mere annotating should not alter PGN tags
14779 if (gameMode != EditGame) return;
14780 if (!appData.showThinking) ToggleShowThinking();
14781 ResurrectChessProgram();
14782 SendToProgram("analyze\n", &first);
14783 first.analyzing = TRUE;
14784 /*first.maybeThinking = TRUE;*/
14785 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14786 EngineOutputPopUp();
14788 gameMode = AnalyzeFile;
14792 StartAnalysisClock();
14793 GetTimeMark(&lastNodeCountTime);
14795 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14796 AnalysisPeriodicEvent(1);
14800 MachineWhiteEvent ()
14803 char *bookHit = NULL;
14805 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14809 if (gameMode == PlayFromGameFile ||
14810 gameMode == TwoMachinesPlay ||
14811 gameMode == Training ||
14812 gameMode == AnalyzeMode ||
14813 gameMode == EndOfGame)
14816 if (gameMode == EditPosition)
14817 EditPositionDone(TRUE);
14819 if (!WhiteOnMove(currentMove)) {
14820 DisplayError(_("It is not White's turn"), 0);
14824 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14827 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14828 gameMode == AnalyzeFile)
14831 ResurrectChessProgram(); /* in case it isn't running */
14832 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14833 gameMode = MachinePlaysWhite;
14836 gameMode = MachinePlaysWhite;
14840 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14842 if (first.sendName) {
14843 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14844 SendToProgram(buf, &first);
14846 if (first.sendTime) {
14847 if (first.useColors) {
14848 SendToProgram("black\n", &first); /*gnu kludge*/
14850 SendTimeRemaining(&first, TRUE);
14852 if (first.useColors) {
14853 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14855 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14856 SetMachineThinkingEnables();
14857 first.maybeThinking = TRUE;
14861 if (appData.autoFlipView && !flipView) {
14862 flipView = !flipView;
14863 DrawPosition(FALSE, NULL);
14864 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14867 if(bookHit) { // [HGM] book: simulate book reply
14868 static char bookMove[MSG_SIZ]; // a bit generous?
14870 programStats.nodes = programStats.depth = programStats.time =
14871 programStats.score = programStats.got_only_move = 0;
14872 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14874 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14875 strcat(bookMove, bookHit);
14876 HandleMachineMove(bookMove, &first);
14881 MachineBlackEvent ()
14884 char *bookHit = NULL;
14886 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14890 if (gameMode == PlayFromGameFile ||
14891 gameMode == TwoMachinesPlay ||
14892 gameMode == Training ||
14893 gameMode == AnalyzeMode ||
14894 gameMode == EndOfGame)
14897 if (gameMode == EditPosition)
14898 EditPositionDone(TRUE);
14900 if (WhiteOnMove(currentMove)) {
14901 DisplayError(_("It is not Black's turn"), 0);
14905 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14908 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14909 gameMode == AnalyzeFile)
14912 ResurrectChessProgram(); /* in case it isn't running */
14913 gameMode = MachinePlaysBlack;
14917 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14919 if (first.sendName) {
14920 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14921 SendToProgram(buf, &first);
14923 if (first.sendTime) {
14924 if (first.useColors) {
14925 SendToProgram("white\n", &first); /*gnu kludge*/
14927 SendTimeRemaining(&first, FALSE);
14929 if (first.useColors) {
14930 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14932 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14933 SetMachineThinkingEnables();
14934 first.maybeThinking = TRUE;
14937 if (appData.autoFlipView && flipView) {
14938 flipView = !flipView;
14939 DrawPosition(FALSE, NULL);
14940 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14942 if(bookHit) { // [HGM] book: simulate book reply
14943 static char bookMove[MSG_SIZ]; // a bit generous?
14945 programStats.nodes = programStats.depth = programStats.time =
14946 programStats.score = programStats.got_only_move = 0;
14947 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14949 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14950 strcat(bookMove, bookHit);
14951 HandleMachineMove(bookMove, &first);
14957 DisplayTwoMachinesTitle ()
14960 if (appData.matchGames > 0) {
14961 if(appData.tourneyFile[0]) {
14962 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14963 gameInfo.white, _("vs."), gameInfo.black,
14964 nextGame+1, appData.matchGames+1,
14965 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14967 if (first.twoMachinesColor[0] == 'w') {
14968 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14969 gameInfo.white, _("vs."), gameInfo.black,
14970 first.matchWins, second.matchWins,
14971 matchGame - 1 - (first.matchWins + second.matchWins));
14973 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14974 gameInfo.white, _("vs."), gameInfo.black,
14975 second.matchWins, first.matchWins,
14976 matchGame - 1 - (first.matchWins + second.matchWins));
14979 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14985 SettingsMenuIfReady ()
14987 if (second.lastPing != second.lastPong) {
14988 DisplayMessage("", _("Waiting for second chess program"));
14989 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14993 DisplayMessage("", "");
14994 SettingsPopUp(&second);
14998 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15001 if (cps->pr == NoProc) {
15002 StartChessProgram(cps);
15003 if (cps->protocolVersion == 1) {
15005 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15007 /* kludge: allow timeout for initial "feature" command */
15008 if(retry != TwoMachinesEventIfReady) FreezeUI();
15009 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15010 DisplayMessage("", buf);
15011 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15019 TwoMachinesEvent P((void))
15023 ChessProgramState *onmove;
15024 char *bookHit = NULL;
15025 static int stalling = 0;
15029 if (appData.noChessProgram) return;
15031 switch (gameMode) {
15032 case TwoMachinesPlay:
15034 case MachinePlaysWhite:
15035 case MachinePlaysBlack:
15036 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15037 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15041 case BeginningOfGame:
15042 case PlayFromGameFile:
15045 if (gameMode != EditGame) return;
15048 EditPositionDone(TRUE);
15059 // forwardMostMove = currentMove;
15060 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15061 startingEngine = TRUE;
15063 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15065 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15066 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15067 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15071 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15073 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15074 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15075 startingEngine = matchMode = FALSE;
15076 DisplayError("second engine does not play this", 0);
15077 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15078 EditGameEvent(); // switch back to EditGame mode
15083 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15084 SendToProgram("force\n", &second);
15086 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15090 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15091 if(appData.matchPause>10000 || appData.matchPause<10)
15092 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15093 wait = SubtractTimeMarks(&now, &pauseStart);
15094 if(wait < appData.matchPause) {
15095 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15098 // we are now committed to starting the game
15100 DisplayMessage("", "");
15102 if (startedFromSetupPosition) {
15103 SendBoard(&second, backwardMostMove);
15104 if (appData.debugMode) {
15105 fprintf(debugFP, "Two Machines\n");
15108 for (i = backwardMostMove; i < forwardMostMove; i++) {
15109 SendMoveToProgram(i, &second);
15113 gameMode = TwoMachinesPlay;
15114 pausing = startingEngine = FALSE;
15115 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15117 DisplayTwoMachinesTitle();
15119 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15124 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15125 SendToProgram(first.computerString, &first);
15126 if (first.sendName) {
15127 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15128 SendToProgram(buf, &first);
15131 SendToProgram(second.computerString, &second);
15132 if (second.sendName) {
15133 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15134 SendToProgram(buf, &second);
15139 if (!first.sendTime || !second.sendTime) {
15140 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15141 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15143 if (onmove->sendTime) {
15144 if (onmove->useColors) {
15145 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15147 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15149 if (onmove->useColors) {
15150 SendToProgram(onmove->twoMachinesColor, onmove);
15152 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15153 // SendToProgram("go\n", onmove);
15154 onmove->maybeThinking = TRUE;
15155 SetMachineThinkingEnables();
15159 if(bookHit) { // [HGM] book: simulate book reply
15160 static char bookMove[MSG_SIZ]; // a bit generous?
15162 programStats.nodes = programStats.depth = programStats.time =
15163 programStats.score = programStats.got_only_move = 0;
15164 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15166 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15167 strcat(bookMove, bookHit);
15168 savedMessage = bookMove; // args for deferred call
15169 savedState = onmove;
15170 ScheduleDelayedEvent(DeferredBookMove, 1);
15177 if (gameMode == Training) {
15178 SetTrainingModeOff();
15179 gameMode = PlayFromGameFile;
15180 DisplayMessage("", _("Training mode off"));
15182 gameMode = Training;
15183 animateTraining = appData.animate;
15185 /* make sure we are not already at the end of the game */
15186 if (currentMove < forwardMostMove) {
15187 SetTrainingModeOn();
15188 DisplayMessage("", _("Training mode on"));
15190 gameMode = PlayFromGameFile;
15191 DisplayError(_("Already at end of game"), 0);
15200 if (!appData.icsActive) return;
15201 switch (gameMode) {
15202 case IcsPlayingWhite:
15203 case IcsPlayingBlack:
15206 case BeginningOfGame:
15214 EditPositionDone(TRUE);
15227 gameMode = IcsIdle;
15237 switch (gameMode) {
15239 SetTrainingModeOff();
15241 case MachinePlaysWhite:
15242 case MachinePlaysBlack:
15243 case BeginningOfGame:
15244 SendToProgram("force\n", &first);
15245 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15246 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15248 abortEngineThink = TRUE;
15249 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15250 SendToProgram(buf, &first);
15251 DisplayMessage("Aborting engine think", "");
15255 SetUserThinkingEnables();
15257 case PlayFromGameFile:
15258 (void) StopLoadGameTimer();
15259 if (gameFileFP != NULL) {
15264 EditPositionDone(TRUE);
15269 SendToProgram("force\n", &first);
15271 case TwoMachinesPlay:
15272 GameEnds(EndOfFile, NULL, GE_PLAYER);
15273 ResurrectChessProgram();
15274 SetUserThinkingEnables();
15277 ResurrectChessProgram();
15279 case IcsPlayingBlack:
15280 case IcsPlayingWhite:
15281 DisplayError(_("Warning: You are still playing a game"), 0);
15284 DisplayError(_("Warning: You are still observing a game"), 0);
15287 DisplayError(_("Warning: You are still examining a game"), 0);
15298 first.offeredDraw = second.offeredDraw = 0;
15300 if (gameMode == PlayFromGameFile) {
15301 whiteTimeRemaining = timeRemaining[0][currentMove];
15302 blackTimeRemaining = timeRemaining[1][currentMove];
15306 if (gameMode == MachinePlaysWhite ||
15307 gameMode == MachinePlaysBlack ||
15308 gameMode == TwoMachinesPlay ||
15309 gameMode == EndOfGame) {
15310 i = forwardMostMove;
15311 while (i > currentMove) {
15312 SendToProgram("undo\n", &first);
15315 if(!adjustedClock) {
15316 whiteTimeRemaining = timeRemaining[0][currentMove];
15317 blackTimeRemaining = timeRemaining[1][currentMove];
15318 DisplayBothClocks();
15320 if (whiteFlag || blackFlag) {
15321 whiteFlag = blackFlag = 0;
15326 gameMode = EditGame;
15332 EditPositionEvent ()
15335 if (gameMode == EditPosition) {
15341 if (gameMode != EditGame) return;
15343 gameMode = EditPosition;
15346 CopyBoard(rightsBoard, nullBoard);
15347 if (currentMove > 0)
15348 CopyBoard(boards[0], boards[currentMove]);
15349 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15350 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15352 blackPlaysFirst = !WhiteOnMove(currentMove);
15354 currentMove = forwardMostMove = backwardMostMove = 0;
15355 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15357 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15363 /* [DM] icsEngineAnalyze - possible call from other functions */
15364 if (appData.icsEngineAnalyze) {
15365 appData.icsEngineAnalyze = FALSE;
15367 DisplayMessage("",_("Close ICS engine analyze..."));
15369 if (first.analysisSupport && first.analyzing) {
15370 SendToBoth("exit\n");
15371 first.analyzing = second.analyzing = FALSE;
15373 thinkOutput[0] = NULLCHAR;
15377 EditPositionDone (Boolean fakeRights)
15379 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15381 startedFromSetupPosition = TRUE;
15382 InitChessProgram(&first, FALSE);
15383 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15385 boards[0][EP_STATUS] = EP_NONE;
15386 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15387 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15388 if(rightsBoard[r][f]) {
15389 ChessSquare p = boards[0][r][f];
15390 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15391 else if(p == king) boards[0][CASTLING][2] = f;
15392 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15393 else rightsBoard[r][f] = 2; // mark for second pass
15396 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15397 if(rightsBoard[r][f] == 2) {
15398 ChessSquare p = boards[0][r][f];
15399 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15400 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15404 SendToProgram("force\n", &first);
15405 if (blackPlaysFirst) {
15406 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15407 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15408 currentMove = forwardMostMove = backwardMostMove = 1;
15409 CopyBoard(boards[1], boards[0]);
15411 currentMove = forwardMostMove = backwardMostMove = 0;
15413 SendBoard(&first, forwardMostMove);
15414 if (appData.debugMode) {
15415 fprintf(debugFP, "EditPosDone\n");
15418 DisplayMessage("", "");
15419 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15420 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15421 gameMode = EditGame;
15423 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15424 ClearHighlights(); /* [AS] */
15427 /* Pause for `ms' milliseconds */
15428 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15430 TimeDelay (long ms)
15437 } while (SubtractTimeMarks(&m2, &m1) < ms);
15440 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15442 SendMultiLineToICS (char *buf)
15444 char temp[MSG_SIZ+1], *p;
15451 strncpy(temp, buf, len);
15456 if (*p == '\n' || *p == '\r')
15461 strcat(temp, "\n");
15463 SendToPlayer(temp, strlen(temp));
15467 SetWhiteToPlayEvent ()
15469 if (gameMode == EditPosition) {
15470 blackPlaysFirst = FALSE;
15471 DisplayBothClocks(); /* works because currentMove is 0 */
15472 } else if (gameMode == IcsExamining) {
15473 SendToICS(ics_prefix);
15474 SendToICS("tomove white\n");
15479 SetBlackToPlayEvent ()
15481 if (gameMode == EditPosition) {
15482 blackPlaysFirst = TRUE;
15483 currentMove = 1; /* kludge */
15484 DisplayBothClocks();
15486 } else if (gameMode == IcsExamining) {
15487 SendToICS(ics_prefix);
15488 SendToICS("tomove black\n");
15493 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15496 ChessSquare piece = boards[0][y][x];
15497 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15498 static int lastVariant;
15499 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15501 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15503 switch (selection) {
15505 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15506 MarkTargetSquares(1);
15507 CopyBoard(currentBoard, boards[0]);
15508 CopyBoard(menuBoard, initialPosition);
15509 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15510 SendToICS(ics_prefix);
15511 SendToICS("bsetup clear\n");
15512 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15513 SendToICS(ics_prefix);
15514 SendToICS("clearboard\n");
15517 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15518 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15519 for (y = 0; y < BOARD_HEIGHT; y++) {
15520 if (gameMode == IcsExamining) {
15521 if (boards[currentMove][y][x] != EmptySquare) {
15522 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15526 } else if(boards[0][y][x] != DarkSquare) {
15527 if(boards[0][y][x] != p) nonEmpty++;
15528 boards[0][y][x] = p;
15532 CopyBoard(rightsBoard, nullBoard);
15533 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15535 for(r = 0; r < BOARD_HEIGHT; r++) {
15536 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15537 ChessSquare p = menuBoard[r][x];
15538 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15541 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15542 DisplayMessage("Clicking clock again restores position", "");
15543 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15544 if(!nonEmpty) { // asked to clear an empty board
15545 CopyBoard(boards[0], menuBoard);
15547 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15548 CopyBoard(boards[0], initialPosition);
15550 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15551 && !CompareBoards(nullBoard, erasedBoard)) {
15552 CopyBoard(boards[0], erasedBoard);
15554 CopyBoard(erasedBoard, currentBoard);
15556 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15557 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15560 if (gameMode == EditPosition) {
15561 DrawPosition(FALSE, boards[0]);
15566 SetWhiteToPlayEvent();
15570 SetBlackToPlayEvent();
15574 if (gameMode == IcsExamining) {
15575 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15576 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15579 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15580 if(x == BOARD_LEFT-2) {
15581 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15582 boards[0][y][1] = 0;
15584 if(x == BOARD_RGHT+1) {
15585 if(y >= gameInfo.holdingsSize) break;
15586 boards[0][y][BOARD_WIDTH-2] = 0;
15589 boards[0][y][x] = EmptySquare;
15590 DrawPosition(FALSE, boards[0]);
15595 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15596 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15597 selection = (ChessSquare) (PROMOTED(piece));
15598 } else if(piece == EmptySquare) selection = WhiteSilver;
15599 else selection = (ChessSquare)((int)piece - 1);
15603 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15604 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15605 selection = (ChessSquare) (DEMOTED(piece));
15606 } else if(piece == EmptySquare) selection = BlackSilver;
15607 else selection = (ChessSquare)((int)piece + 1);
15612 if(gameInfo.variant == VariantShatranj ||
15613 gameInfo.variant == VariantXiangqi ||
15614 gameInfo.variant == VariantCourier ||
15615 gameInfo.variant == VariantASEAN ||
15616 gameInfo.variant == VariantMakruk )
15617 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15623 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15624 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15630 if(gameInfo.variant == VariantXiangqi)
15631 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15632 if(gameInfo.variant == VariantKnightmate)
15633 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15634 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15637 if (gameMode == IcsExamining) {
15638 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15639 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15640 PieceToChar(selection), AAA + x, ONE + y);
15643 rightsBoard[y][x] = hasRights;
15644 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15646 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15647 n = PieceToNumber(selection - BlackPawn);
15648 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15649 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15650 boards[0][BOARD_HEIGHT-1-n][1]++;
15652 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15653 n = PieceToNumber(selection);
15654 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15655 boards[0][n][BOARD_WIDTH-1] = selection;
15656 boards[0][n][BOARD_WIDTH-2]++;
15659 boards[0][y][x] = selection;
15660 DrawPosition(TRUE, boards[0]);
15662 fromX = fromY = -1;
15670 DropMenuEvent (ChessSquare selection, int x, int y)
15672 ChessMove moveType;
15674 switch (gameMode) {
15675 case IcsPlayingWhite:
15676 case MachinePlaysBlack:
15677 if (!WhiteOnMove(currentMove)) {
15678 DisplayMoveError(_("It is Black's turn"));
15681 moveType = WhiteDrop;
15683 case IcsPlayingBlack:
15684 case MachinePlaysWhite:
15685 if (WhiteOnMove(currentMove)) {
15686 DisplayMoveError(_("It is White's turn"));
15689 moveType = BlackDrop;
15692 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15698 if (moveType == BlackDrop && selection < BlackPawn) {
15699 selection = (ChessSquare) ((int) selection
15700 + (int) BlackPawn - (int) WhitePawn);
15702 if (boards[currentMove][y][x] != EmptySquare) {
15703 DisplayMoveError(_("That square is occupied"));
15707 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15713 /* Accept a pending offer of any kind from opponent */
15715 if (appData.icsActive) {
15716 SendToICS(ics_prefix);
15717 SendToICS("accept\n");
15718 } else if (cmailMsgLoaded) {
15719 if (currentMove == cmailOldMove &&
15720 commentList[cmailOldMove] != NULL &&
15721 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15722 "Black offers a draw" : "White offers a draw")) {
15724 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15725 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15727 DisplayError(_("There is no pending offer on this move"), 0);
15728 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15731 /* Not used for offers from chess program */
15738 /* Decline a pending offer of any kind from opponent */
15740 if (appData.icsActive) {
15741 SendToICS(ics_prefix);
15742 SendToICS("decline\n");
15743 } else if (cmailMsgLoaded) {
15744 if (currentMove == cmailOldMove &&
15745 commentList[cmailOldMove] != NULL &&
15746 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15747 "Black offers a draw" : "White offers a draw")) {
15749 AppendComment(cmailOldMove, "Draw declined", TRUE);
15750 DisplayComment(cmailOldMove - 1, "Draw declined");
15753 DisplayError(_("There is no pending offer on this move"), 0);
15756 /* Not used for offers from chess program */
15763 /* Issue ICS rematch command */
15764 if (appData.icsActive) {
15765 SendToICS(ics_prefix);
15766 SendToICS("rematch\n");
15773 /* Call your opponent's flag (claim a win on time) */
15774 if (appData.icsActive) {
15775 SendToICS(ics_prefix);
15776 SendToICS("flag\n");
15778 switch (gameMode) {
15781 case MachinePlaysWhite:
15784 GameEnds(GameIsDrawn, "Both players ran out of time",
15787 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15789 DisplayError(_("Your opponent is not out of time"), 0);
15792 case MachinePlaysBlack:
15795 GameEnds(GameIsDrawn, "Both players ran out of time",
15798 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15800 DisplayError(_("Your opponent is not out of time"), 0);
15808 ClockClick (int which)
15809 { // [HGM] code moved to back-end from winboard.c
15810 if(which) { // black clock
15811 if (gameMode == EditPosition || gameMode == IcsExamining) {
15812 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15813 SetBlackToPlayEvent();
15814 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15815 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15816 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15817 } else if (shiftKey) {
15818 AdjustClock(which, -1);
15819 } else if (gameMode == IcsPlayingWhite ||
15820 gameMode == MachinePlaysBlack) {
15823 } else { // white clock
15824 if (gameMode == EditPosition || gameMode == IcsExamining) {
15825 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15826 SetWhiteToPlayEvent();
15827 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15828 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15829 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15830 } else if (shiftKey) {
15831 AdjustClock(which, -1);
15832 } else if (gameMode == IcsPlayingBlack ||
15833 gameMode == MachinePlaysWhite) {
15842 /* Offer draw or accept pending draw offer from opponent */
15844 if (appData.icsActive) {
15845 /* Note: tournament rules require draw offers to be
15846 made after you make your move but before you punch
15847 your clock. Currently ICS doesn't let you do that;
15848 instead, you immediately punch your clock after making
15849 a move, but you can offer a draw at any time. */
15851 SendToICS(ics_prefix);
15852 SendToICS("draw\n");
15853 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15854 } else if (cmailMsgLoaded) {
15855 if (currentMove == cmailOldMove &&
15856 commentList[cmailOldMove] != NULL &&
15857 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15858 "Black offers a draw" : "White offers a draw")) {
15859 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15860 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15861 } else if (currentMove == cmailOldMove + 1) {
15862 char *offer = WhiteOnMove(cmailOldMove) ?
15863 "White offers a draw" : "Black offers a draw";
15864 AppendComment(currentMove, offer, TRUE);
15865 DisplayComment(currentMove - 1, offer);
15866 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15868 DisplayError(_("You must make your move before offering a draw"), 0);
15869 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15871 } else if (first.offeredDraw) {
15872 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15874 if (first.sendDrawOffers) {
15875 SendToProgram("draw\n", &first);
15876 userOfferedDraw = TRUE;
15884 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15886 if (appData.icsActive) {
15887 SendToICS(ics_prefix);
15888 SendToICS("adjourn\n");
15890 /* Currently GNU Chess doesn't offer or accept Adjourns */
15898 /* Offer Abort or accept pending Abort offer from opponent */
15900 if (appData.icsActive) {
15901 SendToICS(ics_prefix);
15902 SendToICS("abort\n");
15904 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15911 /* Resign. You can do this even if it's not your turn. */
15913 if (appData.icsActive) {
15914 SendToICS(ics_prefix);
15915 SendToICS("resign\n");
15917 switch (gameMode) {
15918 case MachinePlaysWhite:
15919 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15921 case MachinePlaysBlack:
15922 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15925 if (cmailMsgLoaded) {
15927 if (WhiteOnMove(cmailOldMove)) {
15928 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15930 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15932 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15943 StopObservingEvent ()
15945 /* Stop observing current games */
15946 SendToICS(ics_prefix);
15947 SendToICS("unobserve\n");
15951 StopExaminingEvent ()
15953 /* Stop observing current game */
15954 SendToICS(ics_prefix);
15955 SendToICS("unexamine\n");
15959 ForwardInner (int target)
15961 int limit; int oldSeekGraphUp = seekGraphUp;
15963 if (appData.debugMode)
15964 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15965 target, currentMove, forwardMostMove);
15967 if (gameMode == EditPosition)
15970 seekGraphUp = FALSE;
15971 MarkTargetSquares(1);
15972 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15974 if (gameMode == PlayFromGameFile && !pausing)
15977 if (gameMode == IcsExamining && pausing)
15978 limit = pauseExamForwardMostMove;
15980 limit = forwardMostMove;
15982 if (target > limit) target = limit;
15984 if (target > 0 && moveList[target - 1][0]) {
15985 int fromX, fromY, toX, toY;
15986 toX = moveList[target - 1][2] - AAA;
15987 toY = moveList[target - 1][3] - ONE;
15988 if (moveList[target - 1][1] == '@') {
15989 if (appData.highlightLastMove) {
15990 SetHighlights(-1, -1, toX, toY);
15993 fromX = moveList[target - 1][0] - AAA;
15994 fromY = moveList[target - 1][1] - ONE;
15995 if (target == currentMove + 1) {
15996 if(moveList[target - 1][4] == ';') { // multi-leg
15997 killX = moveList[target - 1][5] - AAA;
15998 killY = moveList[target - 1][6] - ONE;
16000 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16001 killX = killY = -1;
16003 if (appData.highlightLastMove) {
16004 SetHighlights(fromX, fromY, toX, toY);
16008 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16009 gameMode == Training || gameMode == PlayFromGameFile ||
16010 gameMode == AnalyzeFile) {
16011 while (currentMove < target) {
16012 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16013 SendMoveToProgram(currentMove++, &first);
16016 currentMove = target;
16019 if (gameMode == EditGame || gameMode == EndOfGame) {
16020 whiteTimeRemaining = timeRemaining[0][currentMove];
16021 blackTimeRemaining = timeRemaining[1][currentMove];
16023 DisplayBothClocks();
16024 DisplayMove(currentMove - 1);
16025 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16026 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16027 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16028 DisplayComment(currentMove - 1, commentList[currentMove]);
16030 ClearMap(); // [HGM] exclude: invalidate map
16037 if (gameMode == IcsExamining && !pausing) {
16038 SendToICS(ics_prefix);
16039 SendToICS("forward\n");
16041 ForwardInner(currentMove + 1);
16048 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16049 /* to optimze, we temporarily turn off analysis mode while we feed
16050 * the remaining moves to the engine. Otherwise we get analysis output
16053 if (first.analysisSupport) {
16054 SendToProgram("exit\nforce\n", &first);
16055 first.analyzing = FALSE;
16059 if (gameMode == IcsExamining && !pausing) {
16060 SendToICS(ics_prefix);
16061 SendToICS("forward 999999\n");
16063 ForwardInner(forwardMostMove);
16066 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16067 /* we have fed all the moves, so reactivate analysis mode */
16068 SendToProgram("analyze\n", &first);
16069 first.analyzing = TRUE;
16070 /*first.maybeThinking = TRUE;*/
16071 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16076 BackwardInner (int target)
16078 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16080 if (appData.debugMode)
16081 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16082 target, currentMove, forwardMostMove);
16084 if (gameMode == EditPosition) return;
16085 seekGraphUp = FALSE;
16086 MarkTargetSquares(1);
16087 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16088 if (currentMove <= backwardMostMove) {
16090 DrawPosition(full_redraw, boards[currentMove]);
16093 if (gameMode == PlayFromGameFile && !pausing)
16096 if (moveList[target][0]) {
16097 int fromX, fromY, toX, toY;
16098 toX = moveList[target][2] - AAA;
16099 toY = moveList[target][3] - ONE;
16100 if (moveList[target][1] == '@') {
16101 if (appData.highlightLastMove) {
16102 SetHighlights(-1, -1, toX, toY);
16105 fromX = moveList[target][0] - AAA;
16106 fromY = moveList[target][1] - ONE;
16107 if (target == currentMove - 1) {
16108 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16110 if (appData.highlightLastMove) {
16111 SetHighlights(fromX, fromY, toX, toY);
16115 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16116 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16117 while (currentMove > target) {
16118 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16119 // null move cannot be undone. Reload program with move history before it.
16121 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16122 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16124 SendBoard(&first, i);
16125 if(second.analyzing) SendBoard(&second, i);
16126 for(currentMove=i; currentMove<target; currentMove++) {
16127 SendMoveToProgram(currentMove, &first);
16128 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16132 SendToBoth("undo\n");
16136 currentMove = target;
16139 if (gameMode == EditGame || gameMode == EndOfGame) {
16140 whiteTimeRemaining = timeRemaining[0][currentMove];
16141 blackTimeRemaining = timeRemaining[1][currentMove];
16143 DisplayBothClocks();
16144 DisplayMove(currentMove - 1);
16145 DrawPosition(full_redraw, boards[currentMove]);
16146 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16147 // [HGM] PV info: routine tests if comment empty
16148 DisplayComment(currentMove - 1, commentList[currentMove]);
16149 ClearMap(); // [HGM] exclude: invalidate map
16155 if (gameMode == IcsExamining && !pausing) {
16156 SendToICS(ics_prefix);
16157 SendToICS("backward\n");
16159 BackwardInner(currentMove - 1);
16166 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16167 /* to optimize, we temporarily turn off analysis mode while we undo
16168 * all the moves. Otherwise we get analysis output after each undo.
16170 if (first.analysisSupport) {
16171 SendToProgram("exit\nforce\n", &first);
16172 first.analyzing = FALSE;
16176 if (gameMode == IcsExamining && !pausing) {
16177 SendToICS(ics_prefix);
16178 SendToICS("backward 999999\n");
16180 BackwardInner(backwardMostMove);
16183 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16184 /* we have fed all the moves, so reactivate analysis mode */
16185 SendToProgram("analyze\n", &first);
16186 first.analyzing = TRUE;
16187 /*first.maybeThinking = TRUE;*/
16188 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16195 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16196 if (to >= forwardMostMove) to = forwardMostMove;
16197 if (to <= backwardMostMove) to = backwardMostMove;
16198 if (to < currentMove) {
16206 RevertEvent (Boolean annotate)
16208 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16211 if (gameMode != IcsExamining) {
16212 DisplayError(_("You are not examining a game"), 0);
16216 DisplayError(_("You can't revert while pausing"), 0);
16219 SendToICS(ics_prefix);
16220 SendToICS("revert\n");
16224 RetractMoveEvent ()
16226 switch (gameMode) {
16227 case MachinePlaysWhite:
16228 case MachinePlaysBlack:
16229 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16230 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16233 if (forwardMostMove < 2) return;
16234 currentMove = forwardMostMove = forwardMostMove - 2;
16235 whiteTimeRemaining = timeRemaining[0][currentMove];
16236 blackTimeRemaining = timeRemaining[1][currentMove];
16237 DisplayBothClocks();
16238 DisplayMove(currentMove - 1);
16239 ClearHighlights();/*!! could figure this out*/
16240 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16241 SendToProgram("remove\n", &first);
16242 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16245 case BeginningOfGame:
16249 case IcsPlayingWhite:
16250 case IcsPlayingBlack:
16251 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16252 SendToICS(ics_prefix);
16253 SendToICS("takeback 2\n");
16255 SendToICS(ics_prefix);
16256 SendToICS("takeback 1\n");
16265 ChessProgramState *cps;
16267 switch (gameMode) {
16268 case MachinePlaysWhite:
16269 if (!WhiteOnMove(forwardMostMove)) {
16270 DisplayError(_("It is your turn"), 0);
16275 case MachinePlaysBlack:
16276 if (WhiteOnMove(forwardMostMove)) {
16277 DisplayError(_("It is your turn"), 0);
16282 case TwoMachinesPlay:
16283 if (WhiteOnMove(forwardMostMove) ==
16284 (first.twoMachinesColor[0] == 'w')) {
16290 case BeginningOfGame:
16294 SendToProgram("?\n", cps);
16298 TruncateGameEvent ()
16301 if (gameMode != EditGame) return;
16308 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16309 if (forwardMostMove > currentMove) {
16310 if (gameInfo.resultDetails != NULL) {
16311 free(gameInfo.resultDetails);
16312 gameInfo.resultDetails = NULL;
16313 gameInfo.result = GameUnfinished;
16315 forwardMostMove = currentMove;
16316 HistorySet(parseList, backwardMostMove, forwardMostMove,
16324 if (appData.noChessProgram) return;
16325 switch (gameMode) {
16326 case MachinePlaysWhite:
16327 if (WhiteOnMove(forwardMostMove)) {
16328 DisplayError(_("Wait until your turn."), 0);
16332 case BeginningOfGame:
16333 case MachinePlaysBlack:
16334 if (!WhiteOnMove(forwardMostMove)) {
16335 DisplayError(_("Wait until your turn."), 0);
16340 DisplayError(_("No hint available"), 0);
16343 SendToProgram("hint\n", &first);
16344 hintRequested = TRUE;
16348 SaveSelected (FILE *g, int dummy, char *dummy2)
16350 ListGame * lg = (ListGame *) gameList.head;
16354 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16355 DisplayError(_("Game list not loaded or empty"), 0);
16359 creatingBook = TRUE; // suppresses stuff during load game
16361 /* Get list size */
16362 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16363 if(lg->position >= 0) { // selected?
16364 LoadGame(f, nItem, "", TRUE);
16365 SaveGamePGN2(g); // leaves g open
16368 lg = (ListGame *) lg->node.succ;
16372 creatingBook = FALSE;
16380 ListGame * lg = (ListGame *) gameList.head;
16383 static int secondTime = FALSE;
16385 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16386 DisplayError(_("Game list not loaded or empty"), 0);
16390 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16393 DisplayNote(_("Book file exists! Try again for overwrite."));
16397 creatingBook = TRUE;
16398 secondTime = FALSE;
16400 /* Get list size */
16401 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16402 if(lg->position >= 0) {
16403 LoadGame(f, nItem, "", TRUE);
16404 AddGameToBook(TRUE);
16407 lg = (ListGame *) lg->node.succ;
16410 creatingBook = FALSE;
16417 if (appData.noChessProgram) return;
16418 switch (gameMode) {
16419 case MachinePlaysWhite:
16420 if (WhiteOnMove(forwardMostMove)) {
16421 DisplayError(_("Wait until your turn."), 0);
16425 case BeginningOfGame:
16426 case MachinePlaysBlack:
16427 if (!WhiteOnMove(forwardMostMove)) {
16428 DisplayError(_("Wait until your turn."), 0);
16433 EditPositionDone(TRUE);
16435 case TwoMachinesPlay:
16440 SendToProgram("bk\n", &first);
16441 bookOutput[0] = NULLCHAR;
16442 bookRequested = TRUE;
16448 char *tags = PGNTags(&gameInfo);
16449 TagsPopUp(tags, CmailMsg());
16453 /* end button procedures */
16456 PrintPosition (FILE *fp, int move)
16460 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16461 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16462 char c = PieceToChar(boards[move][i][j]);
16463 fputc(c == '?' ? '.' : c, fp);
16464 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16467 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16468 fprintf(fp, "white to play\n");
16470 fprintf(fp, "black to play\n");
16474 PrintOpponents (FILE *fp)
16476 if (gameInfo.white != NULL) {
16477 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16483 /* Find last component of program's own name, using some heuristics */
16485 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16488 int local = (strcmp(host, "localhost") == 0);
16489 while (!local && (p = strchr(prog, ';')) != NULL) {
16491 while (*p == ' ') p++;
16494 if (*prog == '"' || *prog == '\'') {
16495 q = strchr(prog + 1, *prog);
16497 q = strchr(prog, ' ');
16499 if (q == NULL) q = prog + strlen(prog);
16501 while (p >= prog && *p != '/' && *p != '\\') p--;
16503 if(p == prog && *p == '"') p++;
16505 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16506 memcpy(buf, p, q - p);
16507 buf[q - p] = NULLCHAR;
16515 TimeControlTagValue ()
16518 if (!appData.clockMode) {
16519 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16520 } else if (movesPerSession > 0) {
16521 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16522 } else if (timeIncrement == 0) {
16523 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16525 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16527 return StrSave(buf);
16533 /* This routine is used only for certain modes */
16534 VariantClass v = gameInfo.variant;
16535 ChessMove r = GameUnfinished;
16538 if(keepInfo) return;
16540 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16541 r = gameInfo.result;
16542 p = gameInfo.resultDetails;
16543 gameInfo.resultDetails = NULL;
16545 ClearGameInfo(&gameInfo);
16546 gameInfo.variant = v;
16548 switch (gameMode) {
16549 case MachinePlaysWhite:
16550 gameInfo.event = StrSave( appData.pgnEventHeader );
16551 gameInfo.site = StrSave(HostName());
16552 gameInfo.date = PGNDate();
16553 gameInfo.round = StrSave("-");
16554 gameInfo.white = StrSave(first.tidy);
16555 gameInfo.black = StrSave(UserName());
16556 gameInfo.timeControl = TimeControlTagValue();
16559 case MachinePlaysBlack:
16560 gameInfo.event = StrSave( appData.pgnEventHeader );
16561 gameInfo.site = StrSave(HostName());
16562 gameInfo.date = PGNDate();
16563 gameInfo.round = StrSave("-");
16564 gameInfo.white = StrSave(UserName());
16565 gameInfo.black = StrSave(first.tidy);
16566 gameInfo.timeControl = TimeControlTagValue();
16569 case TwoMachinesPlay:
16570 gameInfo.event = StrSave( appData.pgnEventHeader );
16571 gameInfo.site = StrSave(HostName());
16572 gameInfo.date = PGNDate();
16575 snprintf(buf, MSG_SIZ, "%d", roundNr);
16576 gameInfo.round = StrSave(buf);
16578 gameInfo.round = StrSave("-");
16580 if (first.twoMachinesColor[0] == 'w') {
16581 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16582 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16584 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16585 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16587 gameInfo.timeControl = TimeControlTagValue();
16591 gameInfo.event = StrSave("Edited game");
16592 gameInfo.site = StrSave(HostName());
16593 gameInfo.date = PGNDate();
16594 gameInfo.round = StrSave("-");
16595 gameInfo.white = StrSave("-");
16596 gameInfo.black = StrSave("-");
16597 gameInfo.result = r;
16598 gameInfo.resultDetails = p;
16602 gameInfo.event = StrSave("Edited position");
16603 gameInfo.site = StrSave(HostName());
16604 gameInfo.date = PGNDate();
16605 gameInfo.round = StrSave("-");
16606 gameInfo.white = StrSave("-");
16607 gameInfo.black = StrSave("-");
16610 case IcsPlayingWhite:
16611 case IcsPlayingBlack:
16616 case PlayFromGameFile:
16617 gameInfo.event = StrSave("Game from non-PGN file");
16618 gameInfo.site = StrSave(HostName());
16619 gameInfo.date = PGNDate();
16620 gameInfo.round = StrSave("-");
16621 gameInfo.white = StrSave("?");
16622 gameInfo.black = StrSave("?");
16631 ReplaceComment (int index, char *text)
16637 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16638 pvInfoList[index-1].depth == len &&
16639 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16640 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16641 while (*text == '\n') text++;
16642 len = strlen(text);
16643 while (len > 0 && text[len - 1] == '\n') len--;
16645 if (commentList[index] != NULL)
16646 free(commentList[index]);
16649 commentList[index] = NULL;
16652 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16653 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16654 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16655 commentList[index] = (char *) malloc(len + 2);
16656 strncpy(commentList[index], text, len);
16657 commentList[index][len] = '\n';
16658 commentList[index][len + 1] = NULLCHAR;
16660 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16662 commentList[index] = (char *) malloc(len + 7);
16663 safeStrCpy(commentList[index], "{\n", 3);
16664 safeStrCpy(commentList[index]+2, text, len+1);
16665 commentList[index][len+2] = NULLCHAR;
16666 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16667 strcat(commentList[index], "\n}\n");
16672 CrushCRs (char *text)
16680 if (ch == '\r') continue;
16682 } while (ch != '\0');
16686 AppendComment (int index, char *text, Boolean addBraces)
16687 /* addBraces tells if we should add {} */
16692 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16693 if(addBraces == 3) addBraces = 0; else // force appending literally
16694 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16697 while (*text == '\n') text++;
16698 len = strlen(text);
16699 while (len > 0 && text[len - 1] == '\n') len--;
16700 text[len] = NULLCHAR;
16702 if (len == 0) return;
16704 if (commentList[index] != NULL) {
16705 Boolean addClosingBrace = addBraces;
16706 old = commentList[index];
16707 oldlen = strlen(old);
16708 while(commentList[index][oldlen-1] == '\n')
16709 commentList[index][--oldlen] = NULLCHAR;
16710 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16711 safeStrCpy(commentList[index], old, oldlen + len + 6);
16713 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16714 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16715 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16716 while (*text == '\n') { text++; len--; }
16717 commentList[index][--oldlen] = NULLCHAR;
16719 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16720 else strcat(commentList[index], "\n");
16721 strcat(commentList[index], text);
16722 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16723 else strcat(commentList[index], "\n");
16725 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16727 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16728 else commentList[index][0] = NULLCHAR;
16729 strcat(commentList[index], text);
16730 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16731 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16736 FindStr (char * text, char * sub_text)
16738 char * result = strstr( text, sub_text );
16740 if( result != NULL ) {
16741 result += strlen( sub_text );
16747 /* [AS] Try to extract PV info from PGN comment */
16748 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16750 GetInfoFromComment (int index, char * text)
16752 char * sep = text, *p;
16754 if( text != NULL && index > 0 ) {
16757 int time = -1, sec = 0, deci;
16758 char * s_eval = FindStr( text, "[%eval " );
16759 char * s_emt = FindStr( text, "[%emt " );
16761 if( s_eval != NULL || s_emt != NULL ) {
16763 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16768 if( s_eval != NULL ) {
16769 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16773 if( delim != ']' ) {
16778 if( s_emt != NULL ) {
16783 /* We expect something like: [+|-]nnn.nn/dd */
16786 if(*text != '{') return text; // [HGM] braces: must be normal comment
16788 sep = strchr( text, '/' );
16789 if( sep == NULL || sep < (text+4) ) {
16794 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16795 if(p[1] == '(') { // comment starts with PV
16796 p = strchr(p, ')'); // locate end of PV
16797 if(p == NULL || sep < p+5) return text;
16798 // at this point we have something like "{(.*) +0.23/6 ..."
16799 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16800 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16801 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16803 time = -1; sec = -1; deci = -1;
16804 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16805 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16806 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16807 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16811 if( score_lo < 0 || score_lo >= 100 ) {
16815 if(sec >= 0) time = 600*time + 10*sec; else
16816 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16818 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16820 /* [HGM] PV time: now locate end of PV info */
16821 while( *++sep >= '0' && *sep <= '9'); // strip depth
16823 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16825 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16827 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16828 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16839 pvInfoList[index-1].depth = depth;
16840 pvInfoList[index-1].score = score;
16841 pvInfoList[index-1].time = 10*time; // centi-sec
16842 if(*sep == '}') *sep = 0; else *--sep = '{';
16844 while(*p++ = *sep++)
16847 } // squeeze out space between PV and comment, and return both
16853 SendToProgram (char *message, ChessProgramState *cps)
16855 int count, outCount, error;
16858 if (cps->pr == NoProc) return;
16861 if (appData.debugMode) {
16864 fprintf(debugFP, "%ld >%-6s: %s",
16865 SubtractTimeMarks(&now, &programStartTime),
16866 cps->which, message);
16868 fprintf(serverFP, "%ld >%-6s: %s",
16869 SubtractTimeMarks(&now, &programStartTime),
16870 cps->which, message), fflush(serverFP);
16873 count = strlen(message);
16874 outCount = OutputToProcess(cps->pr, message, count, &error);
16875 if (outCount < count && !exiting
16876 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16877 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16878 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16879 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16880 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16881 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16882 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16883 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16885 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16886 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16887 gameInfo.result = res;
16889 gameInfo.resultDetails = StrSave(buf);
16891 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16892 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16897 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16901 ChessProgramState *cps = (ChessProgramState *)closure;
16903 if (isr != cps->isr) return; /* Killed intentionally */
16906 RemoveInputSource(cps->isr);
16907 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16908 _(cps->which), cps->program);
16909 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16910 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16911 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16912 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16913 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16914 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16916 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16917 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16918 gameInfo.result = res;
16920 gameInfo.resultDetails = StrSave(buf);
16922 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16923 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16925 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16926 _(cps->which), cps->program);
16927 RemoveInputSource(cps->isr);
16929 /* [AS] Program is misbehaving badly... kill it */
16930 if( count == -2 ) {
16931 DestroyChildProcess( cps->pr, 9 );
16935 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16940 if ((end_str = strchr(message, '\r')) != NULL)
16941 *end_str = NULLCHAR;
16942 if ((end_str = strchr(message, '\n')) != NULL)
16943 *end_str = NULLCHAR;
16945 if (appData.debugMode) {
16946 TimeMark now; int print = 1;
16947 char *quote = ""; char c; int i;
16949 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16950 char start = message[0];
16951 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16952 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16953 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16954 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16955 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16956 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16957 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16958 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16959 sscanf(message, "hint: %c", &c)!=1 &&
16960 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16961 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16962 print = (appData.engineComments >= 2);
16964 message[0] = start; // restore original message
16968 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16969 SubtractTimeMarks(&now, &programStartTime), cps->which,
16973 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16974 SubtractTimeMarks(&now, &programStartTime), cps->which,
16976 message), fflush(serverFP);
16980 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16981 if (appData.icsEngineAnalyze) {
16982 if (strstr(message, "whisper") != NULL ||
16983 strstr(message, "kibitz") != NULL ||
16984 strstr(message, "tellics") != NULL) return;
16987 HandleMachineMove(message, cps);
16992 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16997 if( timeControl_2 > 0 ) {
16998 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16999 tc = timeControl_2;
17002 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17003 inc /= cps->timeOdds;
17004 st /= cps->timeOdds;
17006 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17009 /* Set exact time per move, normally using st command */
17010 if (cps->stKludge) {
17011 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17013 if (seconds == 0) {
17014 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17016 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17019 snprintf(buf, MSG_SIZ, "st %d\n", st);
17022 /* Set conventional or incremental time control, using level command */
17023 if (seconds == 0) {
17024 /* Note old gnuchess bug -- minutes:seconds used to not work.
17025 Fixed in later versions, but still avoid :seconds
17026 when seconds is 0. */
17027 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17029 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17030 seconds, inc/1000.);
17033 SendToProgram(buf, cps);
17035 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17036 /* Orthogonally, limit search to given depth */
17038 if (cps->sdKludge) {
17039 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17041 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17043 SendToProgram(buf, cps);
17046 if(cps->nps >= 0) { /* [HGM] nps */
17047 if(cps->supportsNPS == FALSE)
17048 cps->nps = -1; // don't use if engine explicitly says not supported!
17050 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17051 SendToProgram(buf, cps);
17056 ChessProgramState *
17058 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17060 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17061 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17067 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17069 char message[MSG_SIZ];
17072 /* Note: this routine must be called when the clocks are stopped
17073 or when they have *just* been set or switched; otherwise
17074 it will be off by the time since the current tick started.
17076 if (machineWhite) {
17077 time = whiteTimeRemaining / 10;
17078 otime = blackTimeRemaining / 10;
17080 time = blackTimeRemaining / 10;
17081 otime = whiteTimeRemaining / 10;
17083 /* [HGM] translate opponent's time by time-odds factor */
17084 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17086 if (time <= 0) time = 1;
17087 if (otime <= 0) otime = 1;
17089 snprintf(message, MSG_SIZ, "time %ld\n", time);
17090 SendToProgram(message, cps);
17092 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17093 SendToProgram(message, cps);
17097 EngineDefinedVariant (ChessProgramState *cps, int n)
17098 { // return name of n-th unknown variant that engine supports
17099 static char buf[MSG_SIZ];
17100 char *p, *s = cps->variants;
17101 if(!s) return NULL;
17102 do { // parse string from variants feature
17104 p = strchr(s, ',');
17105 if(p) *p = NULLCHAR;
17106 v = StringToVariant(s);
17107 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17108 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17109 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17110 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17111 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17112 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17113 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17116 if(n < 0) return buf;
17122 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17125 int len = strlen(name);
17128 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17130 sscanf(*p, "%d", &val);
17132 while (**p && **p != ' ')
17134 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17135 SendToProgram(buf, cps);
17142 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17145 int len = strlen(name);
17146 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17148 sscanf(*p, "%d", loc);
17149 while (**p && **p != ' ') (*p)++;
17150 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17151 SendToProgram(buf, cps);
17158 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17161 int len = strlen(name);
17162 if (strncmp((*p), name, len) == 0
17163 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17165 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17166 sscanf(*p, "%[^\"]", *loc);
17167 while (**p && **p != '\"') (*p)++;
17168 if (**p == '\"') (*p)++;
17169 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17170 SendToProgram(buf, cps);
17177 ParseOption (Option *opt, ChessProgramState *cps)
17178 // [HGM] options: process the string that defines an engine option, and determine
17179 // name, type, default value, and allowed value range
17181 char *p, *q, buf[MSG_SIZ];
17182 int n, min = (-1)<<31, max = 1<<31, def;
17184 opt->target = &opt->value; // OK for spin/slider and checkbox
17185 if(p = strstr(opt->name, " -spin ")) {
17186 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17187 if(max < min) max = min; // enforce consistency
17188 if(def < min) def = min;
17189 if(def > max) def = max;
17194 } else if((p = strstr(opt->name, " -slider "))) {
17195 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17196 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17197 if(max < min) max = min; // enforce consistency
17198 if(def < min) def = min;
17199 if(def > max) def = max;
17203 opt->type = Spin; // Slider;
17204 } else if((p = strstr(opt->name, " -string "))) {
17205 opt->textValue = p+9;
17206 opt->type = TextBox;
17207 opt->target = &opt->textValue;
17208 } else if((p = strstr(opt->name, " -file "))) {
17209 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17210 opt->target = opt->textValue = p+7;
17211 opt->type = FileName; // FileName;
17212 opt->target = &opt->textValue;
17213 } else if((p = strstr(opt->name, " -path "))) {
17214 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17215 opt->target = opt->textValue = p+7;
17216 opt->type = PathName; // PathName;
17217 opt->target = &opt->textValue;
17218 } else if(p = strstr(opt->name, " -check ")) {
17219 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17220 opt->value = (def != 0);
17221 opt->type = CheckBox;
17222 } else if(p = strstr(opt->name, " -combo ")) {
17223 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17224 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17225 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17226 opt->value = n = 0;
17227 while(q = StrStr(q, " /// ")) {
17228 n++; *q = 0; // count choices, and null-terminate each of them
17230 if(*q == '*') { // remember default, which is marked with * prefix
17234 cps->comboList[cps->comboCnt++] = q;
17236 cps->comboList[cps->comboCnt++] = NULL;
17238 opt->type = ComboBox;
17239 } else if(p = strstr(opt->name, " -button")) {
17240 opt->type = Button;
17241 } else if(p = strstr(opt->name, " -save")) {
17242 opt->type = SaveButton;
17243 } else return FALSE;
17244 *p = 0; // terminate option name
17245 // now look if the command-line options define a setting for this engine option.
17246 if(cps->optionSettings && cps->optionSettings[0])
17247 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17248 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17249 snprintf(buf, MSG_SIZ, "option %s", p);
17250 if(p = strstr(buf, ",")) *p = 0;
17251 if(q = strchr(buf, '=')) switch(opt->type) {
17253 for(n=0; n<opt->max; n++)
17254 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17257 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17261 opt->value = atoi(q+1);
17266 SendToProgram(buf, cps);
17272 FeatureDone (ChessProgramState *cps, int val)
17274 DelayedEventCallback cb = GetDelayedEvent();
17275 if ((cb == InitBackEnd3 && cps == &first) ||
17276 (cb == SettingsMenuIfReady && cps == &second) ||
17277 (cb == LoadEngine) ||
17278 (cb == TwoMachinesEventIfReady)) {
17279 CancelDelayedEvent();
17280 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17281 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17282 cps->initDone = val;
17283 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17286 /* Parse feature command from engine */
17288 ParseFeatures (char *args, ChessProgramState *cps)
17296 while (*p == ' ') p++;
17297 if (*p == NULLCHAR) return;
17299 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17300 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17301 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17302 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17303 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17304 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17305 if (BoolFeature(&p, "reuse", &val, cps)) {
17306 /* Engine can disable reuse, but can't enable it if user said no */
17307 if (!val) cps->reuse = FALSE;
17310 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17311 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17312 if (gameMode == TwoMachinesPlay) {
17313 DisplayTwoMachinesTitle();
17319 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17320 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17321 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17322 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17323 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17324 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17325 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17326 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17327 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17328 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17329 if (IntFeature(&p, "done", &val, cps)) {
17330 FeatureDone(cps, val);
17333 /* Added by Tord: */
17334 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17335 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17336 /* End of additions by Tord */
17338 /* [HGM] added features: */
17339 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17340 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17341 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17342 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17343 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17344 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17345 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17346 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17347 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17348 FREE(cps->option[cps->nrOptions].name);
17349 cps->option[cps->nrOptions].name = q; q = NULL;
17350 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17351 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17352 SendToProgram(buf, cps);
17355 if(cps->nrOptions >= MAX_OPTIONS) {
17357 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17358 DisplayError(buf, 0);
17362 /* End of additions by HGM */
17364 /* unknown feature: complain and skip */
17366 while (*q && *q != '=') q++;
17367 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17368 SendToProgram(buf, cps);
17374 while (*p && *p != '\"') p++;
17375 if (*p == '\"') p++;
17377 while (*p && *p != ' ') p++;
17385 PeriodicUpdatesEvent (int newState)
17387 if (newState == appData.periodicUpdates)
17390 appData.periodicUpdates=newState;
17392 /* Display type changes, so update it now */
17393 // DisplayAnalysis();
17395 /* Get the ball rolling again... */
17397 AnalysisPeriodicEvent(1);
17398 StartAnalysisClock();
17403 PonderNextMoveEvent (int newState)
17405 if (newState == appData.ponderNextMove) return;
17406 if (gameMode == EditPosition) EditPositionDone(TRUE);
17408 SendToProgram("hard\n", &first);
17409 if (gameMode == TwoMachinesPlay) {
17410 SendToProgram("hard\n", &second);
17413 SendToProgram("easy\n", &first);
17414 thinkOutput[0] = NULLCHAR;
17415 if (gameMode == TwoMachinesPlay) {
17416 SendToProgram("easy\n", &second);
17419 appData.ponderNextMove = newState;
17423 NewSettingEvent (int option, int *feature, char *command, int value)
17427 if (gameMode == EditPosition) EditPositionDone(TRUE);
17428 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17429 if(feature == NULL || *feature) SendToProgram(buf, &first);
17430 if (gameMode == TwoMachinesPlay) {
17431 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17436 ShowThinkingEvent ()
17437 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17439 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17440 int newState = appData.showThinking
17441 // [HGM] thinking: other features now need thinking output as well
17442 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17444 if (oldState == newState) return;
17445 oldState = newState;
17446 if (gameMode == EditPosition) EditPositionDone(TRUE);
17448 SendToProgram("post\n", &first);
17449 if (gameMode == TwoMachinesPlay) {
17450 SendToProgram("post\n", &second);
17453 SendToProgram("nopost\n", &first);
17454 thinkOutput[0] = NULLCHAR;
17455 if (gameMode == TwoMachinesPlay) {
17456 SendToProgram("nopost\n", &second);
17459 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17463 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17465 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17466 if (pr == NoProc) return;
17467 AskQuestion(title, question, replyPrefix, pr);
17471 TypeInEvent (char firstChar)
17473 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17474 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17475 gameMode == AnalyzeMode || gameMode == EditGame ||
17476 gameMode == EditPosition || gameMode == IcsExamining ||
17477 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17478 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17479 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17480 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17481 gameMode == Training) PopUpMoveDialog(firstChar);
17485 TypeInDoneEvent (char *move)
17488 int n, fromX, fromY, toX, toY;
17490 ChessMove moveType;
17493 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17494 EditPositionPasteFEN(move);
17497 // [HGM] movenum: allow move number to be typed in any mode
17498 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17502 // undocumented kludge: allow command-line option to be typed in!
17503 // (potentially fatal, and does not implement the effect of the option.)
17504 // should only be used for options that are values on which future decisions will be made,
17505 // and definitely not on options that would be used during initialization.
17506 if(strstr(move, "!!! -") == move) {
17507 ParseArgsFromString(move+4);
17511 if (gameMode != EditGame && currentMove != forwardMostMove &&
17512 gameMode != Training) {
17513 DisplayMoveError(_("Displayed move is not current"));
17515 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17516 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17517 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17518 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17519 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17520 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17522 DisplayMoveError(_("Could not parse move"));
17528 DisplayMove (int moveNumber)
17530 char message[MSG_SIZ];
17532 char cpThinkOutput[MSG_SIZ];
17534 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17536 if (moveNumber == forwardMostMove - 1 ||
17537 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17539 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17541 if (strchr(cpThinkOutput, '\n')) {
17542 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17545 *cpThinkOutput = NULLCHAR;
17548 /* [AS] Hide thinking from human user */
17549 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17550 *cpThinkOutput = NULLCHAR;
17551 if( thinkOutput[0] != NULLCHAR ) {
17554 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17555 cpThinkOutput[i] = '.';
17557 cpThinkOutput[i] = NULLCHAR;
17558 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17562 if (moveNumber == forwardMostMove - 1 &&
17563 gameInfo.resultDetails != NULL) {
17564 if (gameInfo.resultDetails[0] == NULLCHAR) {
17565 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17567 snprintf(res, MSG_SIZ, " {%s} %s",
17568 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17574 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17575 DisplayMessage(res, cpThinkOutput);
17577 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17578 WhiteOnMove(moveNumber) ? " " : ".. ",
17579 parseList[moveNumber], res);
17580 DisplayMessage(message, cpThinkOutput);
17585 DisplayComment (int moveNumber, char *text)
17587 char title[MSG_SIZ];
17589 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17590 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17592 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17593 WhiteOnMove(moveNumber) ? " " : ".. ",
17594 parseList[moveNumber]);
17596 if (text != NULL && (appData.autoDisplayComment || commentUp))
17597 CommentPopUp(title, text);
17600 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17601 * might be busy thinking or pondering. It can be omitted if your
17602 * gnuchess is configured to stop thinking immediately on any user
17603 * input. However, that gnuchess feature depends on the FIONREAD
17604 * ioctl, which does not work properly on some flavors of Unix.
17607 Attention (ChessProgramState *cps)
17610 if (!cps->useSigint) return;
17611 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17612 switch (gameMode) {
17613 case MachinePlaysWhite:
17614 case MachinePlaysBlack:
17615 case TwoMachinesPlay:
17616 case IcsPlayingWhite:
17617 case IcsPlayingBlack:
17620 /* Skip if we know it isn't thinking */
17621 if (!cps->maybeThinking) return;
17622 if (appData.debugMode)
17623 fprintf(debugFP, "Interrupting %s\n", cps->which);
17624 InterruptChildProcess(cps->pr);
17625 cps->maybeThinking = FALSE;
17630 #endif /*ATTENTION*/
17636 if (whiteTimeRemaining <= 0) {
17639 if (appData.icsActive) {
17640 if (appData.autoCallFlag &&
17641 gameMode == IcsPlayingBlack && !blackFlag) {
17642 SendToICS(ics_prefix);
17643 SendToICS("flag\n");
17647 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17649 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17650 if (appData.autoCallFlag) {
17651 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17658 if (blackTimeRemaining <= 0) {
17661 if (appData.icsActive) {
17662 if (appData.autoCallFlag &&
17663 gameMode == IcsPlayingWhite && !whiteFlag) {
17664 SendToICS(ics_prefix);
17665 SendToICS("flag\n");
17669 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17671 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17672 if (appData.autoCallFlag) {
17673 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17684 CheckTimeControl ()
17686 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17687 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17690 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17692 if ( !WhiteOnMove(forwardMostMove) ) {
17693 /* White made time control */
17694 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17695 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17696 /* [HGM] time odds: correct new time quota for time odds! */
17697 / WhitePlayer()->timeOdds;
17698 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17700 lastBlack -= blackTimeRemaining;
17701 /* Black made time control */
17702 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17703 / WhitePlayer()->other->timeOdds;
17704 lastWhite = whiteTimeRemaining;
17709 DisplayBothClocks ()
17711 int wom = gameMode == EditPosition ?
17712 !blackPlaysFirst : WhiteOnMove(currentMove);
17713 DisplayWhiteClock(whiteTimeRemaining, wom);
17714 DisplayBlackClock(blackTimeRemaining, !wom);
17718 /* Timekeeping seems to be a portability nightmare. I think everyone
17719 has ftime(), but I'm really not sure, so I'm including some ifdefs
17720 to use other calls if you don't. Clocks will be less accurate if
17721 you have neither ftime nor gettimeofday.
17724 /* VS 2008 requires the #include outside of the function */
17725 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17726 #include <sys/timeb.h>
17729 /* Get the current time as a TimeMark */
17731 GetTimeMark (TimeMark *tm)
17733 #if HAVE_GETTIMEOFDAY
17735 struct timeval timeVal;
17736 struct timezone timeZone;
17738 gettimeofday(&timeVal, &timeZone);
17739 tm->sec = (long) timeVal.tv_sec;
17740 tm->ms = (int) (timeVal.tv_usec / 1000L);
17742 #else /*!HAVE_GETTIMEOFDAY*/
17745 // include <sys/timeb.h> / moved to just above start of function
17746 struct timeb timeB;
17749 tm->sec = (long) timeB.time;
17750 tm->ms = (int) timeB.millitm;
17752 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17753 tm->sec = (long) time(NULL);
17759 /* Return the difference in milliseconds between two
17760 time marks. We assume the difference will fit in a long!
17763 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17765 return 1000L*(tm2->sec - tm1->sec) +
17766 (long) (tm2->ms - tm1->ms);
17771 * Code to manage the game clocks.
17773 * In tournament play, black starts the clock and then white makes a move.
17774 * We give the human user a slight advantage if he is playing white---the
17775 * clocks don't run until he makes his first move, so it takes zero time.
17776 * Also, we don't account for network lag, so we could get out of sync
17777 * with GNU Chess's clock -- but then, referees are always right.
17780 static TimeMark tickStartTM;
17781 static long intendedTickLength;
17784 NextTickLength (long timeRemaining)
17786 long nominalTickLength, nextTickLength;
17788 if (timeRemaining > 0L && timeRemaining <= 10000L)
17789 nominalTickLength = 100L;
17791 nominalTickLength = 1000L;
17792 nextTickLength = timeRemaining % nominalTickLength;
17793 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17795 return nextTickLength;
17798 /* Adjust clock one minute up or down */
17800 AdjustClock (Boolean which, int dir)
17802 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17803 if(which) blackTimeRemaining += 60000*dir;
17804 else whiteTimeRemaining += 60000*dir;
17805 DisplayBothClocks();
17806 adjustedClock = TRUE;
17809 /* Stop clocks and reset to a fresh time control */
17813 (void) StopClockTimer();
17814 if (appData.icsActive) {
17815 whiteTimeRemaining = blackTimeRemaining = 0;
17816 } else if (searchTime) {
17817 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17818 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17819 } else { /* [HGM] correct new time quote for time odds */
17820 whiteTC = blackTC = fullTimeControlString;
17821 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17822 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17824 if (whiteFlag || blackFlag) {
17826 whiteFlag = blackFlag = FALSE;
17828 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17829 DisplayBothClocks();
17830 adjustedClock = FALSE;
17833 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17835 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17837 /* Decrement running clock by amount of time that has passed */
17842 long lastTickLength, fudge;
17845 if (!appData.clockMode) return;
17846 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17850 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17852 /* Fudge if we woke up a little too soon */
17853 fudge = intendedTickLength - lastTickLength;
17854 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17856 if (WhiteOnMove(forwardMostMove)) {
17857 if(whiteNPS >= 0) lastTickLength = 0;
17858 tRemaining = whiteTimeRemaining -= lastTickLength;
17859 if( tRemaining < 0 && !appData.icsActive) {
17860 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17861 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17862 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17863 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17866 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17867 DisplayWhiteClock(whiteTimeRemaining - fudge,
17868 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17871 if(blackNPS >= 0) lastTickLength = 0;
17872 tRemaining = blackTimeRemaining -= lastTickLength;
17873 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17874 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17876 blackStartMove = forwardMostMove;
17877 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17880 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17881 DisplayBlackClock(blackTimeRemaining - fudge,
17882 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17885 if (CheckFlags()) return;
17887 if(twoBoards) { // count down secondary board's clocks as well
17888 activePartnerTime -= lastTickLength;
17890 if(activePartner == 'W')
17891 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17893 DisplayBlackClock(activePartnerTime, TRUE);
17898 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17899 StartClockTimer(intendedTickLength);
17901 /* if the time remaining has fallen below the alarm threshold, sound the
17902 * alarm. if the alarm has sounded and (due to a takeback or time control
17903 * with increment) the time remaining has increased to a level above the
17904 * threshold, reset the alarm so it can sound again.
17907 if (appData.icsActive && appData.icsAlarm) {
17909 /* make sure we are dealing with the user's clock */
17910 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17911 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17914 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17915 alarmSounded = FALSE;
17916 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17918 alarmSounded = TRUE;
17924 /* A player has just moved, so stop the previously running
17925 clock and (if in clock mode) start the other one.
17926 We redisplay both clocks in case we're in ICS mode, because
17927 ICS gives us an update to both clocks after every move.
17928 Note that this routine is called *after* forwardMostMove
17929 is updated, so the last fractional tick must be subtracted
17930 from the color that is *not* on move now.
17933 SwitchClocks (int newMoveNr)
17935 long lastTickLength;
17937 int flagged = FALSE;
17941 if (StopClockTimer() && appData.clockMode) {
17942 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17943 if (!WhiteOnMove(forwardMostMove)) {
17944 if(blackNPS >= 0) lastTickLength = 0;
17945 blackTimeRemaining -= lastTickLength;
17946 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17947 // if(pvInfoList[forwardMostMove].time == -1)
17948 pvInfoList[forwardMostMove].time = // use GUI time
17949 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17951 if(whiteNPS >= 0) lastTickLength = 0;
17952 whiteTimeRemaining -= lastTickLength;
17953 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17954 // if(pvInfoList[forwardMostMove].time == -1)
17955 pvInfoList[forwardMostMove].time =
17956 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17958 flagged = CheckFlags();
17960 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17961 CheckTimeControl();
17963 if (flagged || !appData.clockMode) return;
17965 switch (gameMode) {
17966 case MachinePlaysBlack:
17967 case MachinePlaysWhite:
17968 case BeginningOfGame:
17969 if (pausing) return;
17973 case PlayFromGameFile:
17981 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17982 if(WhiteOnMove(forwardMostMove))
17983 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17984 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17988 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17989 whiteTimeRemaining : blackTimeRemaining);
17990 StartClockTimer(intendedTickLength);
17994 /* Stop both clocks */
17998 long lastTickLength;
18001 if (!StopClockTimer()) return;
18002 if (!appData.clockMode) return;
18006 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18007 if (WhiteOnMove(forwardMostMove)) {
18008 if(whiteNPS >= 0) lastTickLength = 0;
18009 whiteTimeRemaining -= lastTickLength;
18010 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18012 if(blackNPS >= 0) lastTickLength = 0;
18013 blackTimeRemaining -= lastTickLength;
18014 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18019 /* Start clock of player on move. Time may have been reset, so
18020 if clock is already running, stop and restart it. */
18024 (void) StopClockTimer(); /* in case it was running already */
18025 DisplayBothClocks();
18026 if (CheckFlags()) return;
18028 if (!appData.clockMode) return;
18029 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18031 GetTimeMark(&tickStartTM);
18032 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18033 whiteTimeRemaining : blackTimeRemaining);
18035 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18036 whiteNPS = blackNPS = -1;
18037 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18038 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18039 whiteNPS = first.nps;
18040 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18041 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18042 blackNPS = first.nps;
18043 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18044 whiteNPS = second.nps;
18045 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18046 blackNPS = second.nps;
18047 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18049 StartClockTimer(intendedTickLength);
18053 TimeString (long ms)
18055 long second, minute, hour, day;
18057 static char buf[40], moveTime[8];
18059 if (ms > 0 && ms <= 9900) {
18060 /* convert milliseconds to tenths, rounding up */
18061 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18063 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18067 /* convert milliseconds to seconds, rounding up */
18068 /* use floating point to avoid strangeness of integer division
18069 with negative dividends on many machines */
18070 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18077 day = second / (60 * 60 * 24);
18078 second = second % (60 * 60 * 24);
18079 hour = second / (60 * 60);
18080 second = second % (60 * 60);
18081 minute = second / 60;
18082 second = second % 60;
18084 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18085 else *moveTime = NULLCHAR;
18088 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18089 sign, day, hour, minute, second, moveTime);
18091 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18093 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18100 * This is necessary because some C libraries aren't ANSI C compliant yet.
18103 StrStr (char *string, char *match)
18107 length = strlen(match);
18109 for (i = strlen(string) - length; i >= 0; i--, string++)
18110 if (!strncmp(match, string, length))
18117 StrCaseStr (char *string, char *match)
18121 length = strlen(match);
18123 for (i = strlen(string) - length; i >= 0; i--, string++) {
18124 for (j = 0; j < length; j++) {
18125 if (ToLower(match[j]) != ToLower(string[j]))
18128 if (j == length) return string;
18136 StrCaseCmp (char *s1, char *s2)
18141 c1 = ToLower(*s1++);
18142 c2 = ToLower(*s2++);
18143 if (c1 > c2) return 1;
18144 if (c1 < c2) return -1;
18145 if (c1 == NULLCHAR) return 0;
18153 return isupper(c) ? tolower(c) : c;
18160 return islower(c) ? toupper(c) : c;
18162 #endif /* !_amigados */
18169 if ((ret = (char *) malloc(strlen(s) + 1)))
18171 safeStrCpy(ret, s, strlen(s)+1);
18177 StrSavePtr (char *s, char **savePtr)
18182 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18183 safeStrCpy(*savePtr, s, strlen(s)+1);
18195 clock = time((time_t *)NULL);
18196 tm = localtime(&clock);
18197 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18198 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18199 return StrSave(buf);
18204 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18206 int i, j, fromX, fromY, toX, toY;
18207 int whiteToPlay, haveRights = nrCastlingRights;
18213 whiteToPlay = (gameMode == EditPosition) ?
18214 !blackPlaysFirst : (move % 2 == 0);
18217 /* Piece placement data */
18218 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18219 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18221 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18222 if (boards[move][i][j] == EmptySquare) {
18224 } else { ChessSquare piece = boards[move][i][j];
18225 if (emptycount > 0) {
18226 if(emptycount<10) /* [HGM] can be >= 10 */
18227 *p++ = '0' + emptycount;
18228 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18231 if(PieceToChar(piece) == '+') {
18232 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18234 piece = (ChessSquare)(CHUDEMOTED(piece));
18236 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18237 if(*p = PieceSuffix(piece)) p++;
18239 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18240 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18245 if (emptycount > 0) {
18246 if(emptycount<10) /* [HGM] can be >= 10 */
18247 *p++ = '0' + emptycount;
18248 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18255 /* [HGM] print Crazyhouse or Shogi holdings */
18256 if( gameInfo.holdingsWidth ) {
18257 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18259 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18260 piece = boards[move][i][BOARD_WIDTH-1];
18261 if( piece != EmptySquare )
18262 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18263 *p++ = PieceToChar(piece);
18265 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18266 piece = boards[move][BOARD_HEIGHT-i-1][0];
18267 if( piece != EmptySquare )
18268 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18269 *p++ = PieceToChar(piece);
18272 if( q == p ) *p++ = '-';
18278 *p++ = whiteToPlay ? 'w' : 'b';
18281 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18282 haveRights = 0; q = p;
18283 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18284 piece = boards[move][0][i];
18285 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18286 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18289 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18290 piece = boards[move][BOARD_HEIGHT-1][i];
18291 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18292 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18295 if(p == q) *p++ = '-';
18299 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18302 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18305 int handW=0, handB=0;
18306 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18307 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18308 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18311 if(appData.fischerCastling) {
18312 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18313 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18314 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18316 /* [HGM] write directly from rights */
18317 if(boards[move][CASTLING][2] != NoRights &&
18318 boards[move][CASTLING][0] != NoRights )
18319 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18320 if(boards[move][CASTLING][2] != NoRights &&
18321 boards[move][CASTLING][1] != NoRights )
18322 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18325 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18326 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18328 if(boards[move][CASTLING][5] != NoRights &&
18329 boards[move][CASTLING][3] != NoRights )
18330 *p++ = boards[move][CASTLING][3] + AAA;
18331 if(boards[move][CASTLING][5] != NoRights &&
18332 boards[move][CASTLING][4] != NoRights )
18333 *p++ = boards[move][CASTLING][4] + AAA;
18337 /* [HGM] write true castling rights */
18338 if( nrCastlingRights == 6 ) {
18340 if(boards[move][CASTLING][0] != NoRights &&
18341 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18342 q = (boards[move][CASTLING][1] != NoRights &&
18343 boards[move][CASTLING][2] != NoRights );
18344 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18345 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18346 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18347 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18351 if(boards[move][CASTLING][3] != NoRights &&
18352 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18353 q = (boards[move][CASTLING][4] != NoRights &&
18354 boards[move][CASTLING][5] != NoRights );
18356 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18357 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18358 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18363 if (q == p) *p++ = '-'; /* No castling rights */
18367 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18368 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18369 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18370 /* En passant target square */
18371 if (move > backwardMostMove) {
18372 fromX = moveList[move - 1][0] - AAA;
18373 fromY = moveList[move - 1][1] - ONE;
18374 toX = moveList[move - 1][2] - AAA;
18375 toY = moveList[move - 1][3] - ONE;
18376 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18377 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18378 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18380 /* 2-square pawn move just happened */
18382 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18386 } else if(move == backwardMostMove) {
18387 // [HGM] perhaps we should always do it like this, and forget the above?
18388 if((signed char)boards[move][EP_STATUS] >= 0) {
18389 *p++ = boards[move][EP_STATUS] + AAA;
18390 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18402 { int i = 0, j=move;
18404 /* [HGM] find reversible plies */
18405 if (appData.debugMode) { int k;
18406 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18407 for(k=backwardMostMove; k<=forwardMostMove; k++)
18408 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18412 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18413 if( j == backwardMostMove ) i += initialRulePlies;
18414 sprintf(p, "%d ", i);
18415 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18417 /* Fullmove number */
18418 sprintf(p, "%d", (move / 2) + 1);
18419 } else *--p = NULLCHAR;
18421 return StrSave(buf);
18425 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18427 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18429 int emptycount, virgin[BOARD_FILES];
18430 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18434 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18436 /* Piece placement data */
18437 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18440 if (*p == '/' || *p == ' ' || *p == '[' ) {
18442 emptycount = gameInfo.boardWidth - j;
18443 while (emptycount--)
18444 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18445 if (*p == '/') p++;
18446 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18447 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18448 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18450 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18453 #if(BOARD_FILES >= 10)*0
18454 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18455 p++; emptycount=10;
18456 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18457 while (emptycount--)
18458 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18460 } else if (*p == '*') {
18461 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18462 } else if (isdigit(*p)) {
18463 emptycount = *p++ - '0';
18464 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18465 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18466 while (emptycount--)
18467 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18468 } else if (*p == '<') {
18469 if(i == BOARD_HEIGHT-1) shuffle = 1;
18470 else if (i != 0 || !shuffle) return FALSE;
18472 } else if (shuffle && *p == '>') {
18473 p++; // for now ignore closing shuffle range, and assume rank-end
18474 } else if (*p == '?') {
18475 if (j >= gameInfo.boardWidth) return FALSE;
18476 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18477 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18478 } else if (*p == '+' || isalpha(*p)) {
18479 char *q, *s = SUFFIXES;
18480 if (j >= gameInfo.boardWidth) return FALSE;
18483 if(q = strchr(s, p[1])) p++;
18484 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18485 if(piece == EmptySquare) return FALSE; /* unknown piece */
18486 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18487 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18490 if(q = strchr(s, *p)) p++;
18491 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18494 if(piece==EmptySquare) return FALSE; /* unknown piece */
18495 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18496 piece = (ChessSquare) (PROMOTED(piece));
18497 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18500 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18501 if(piece == king) wKingRank = i;
18502 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18508 while (*p == '/' || *p == ' ') p++;
18510 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18512 /* [HGM] by default clear Crazyhouse holdings, if present */
18513 if(gameInfo.holdingsWidth) {
18514 for(i=0; i<BOARD_HEIGHT; i++) {
18515 board[i][0] = EmptySquare; /* black holdings */
18516 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18517 board[i][1] = (ChessSquare) 0; /* black counts */
18518 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18522 /* [HGM] look for Crazyhouse holdings here */
18523 while(*p==' ') p++;
18524 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18525 int swap=0, wcnt=0, bcnt=0;
18527 if(*p == '<') swap++, p++;
18528 if(*p == '-' ) p++; /* empty holdings */ else {
18529 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18530 /* if we would allow FEN reading to set board size, we would */
18531 /* have to add holdings and shift the board read so far here */
18532 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18534 if((int) piece >= (int) BlackPawn ) {
18535 i = (int)piece - (int)BlackPawn;
18536 i = PieceToNumber((ChessSquare)i);
18537 if( i >= gameInfo.holdingsSize ) return FALSE;
18538 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18539 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18542 i = (int)piece - (int)WhitePawn;
18543 i = PieceToNumber((ChessSquare)i);
18544 if( i >= gameInfo.holdingsSize ) return FALSE;
18545 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18546 board[i][BOARD_WIDTH-2]++; /* black holdings */
18550 if(subst) { // substitute back-rank question marks by holdings pieces
18551 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18552 int k, m, n = bcnt + 1;
18553 if(board[0][j] == ClearBoard) {
18554 if(!wcnt) return FALSE;
18556 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18557 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18558 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18562 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18563 if(!bcnt) return FALSE;
18564 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18565 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18566 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18567 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18578 if(subst) return FALSE; // substitution requested, but no holdings
18580 while(*p == ' ') p++;
18584 if(appData.colorNickNames) {
18585 if( c == appData.colorNickNames[0] ) c = 'w'; else
18586 if( c == appData.colorNickNames[1] ) c = 'b';
18590 *blackPlaysFirst = FALSE;
18593 *blackPlaysFirst = TRUE;
18599 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18600 /* return the extra info in global variiables */
18602 while(*p==' ') p++;
18604 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18605 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18606 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18609 /* set defaults in case FEN is incomplete */
18610 board[EP_STATUS] = EP_UNKNOWN;
18611 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18612 for(i=0; i<nrCastlingRights; i++ ) {
18613 board[CASTLING][i] =
18614 appData.fischerCastling ? NoRights : initialRights[i];
18615 } /* assume possible unless obviously impossible */
18616 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18617 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18618 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18619 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18620 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18621 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18622 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18623 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18626 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18629 while(isalpha(*p)) {
18630 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18631 if(islower(*p)) b |= 1 << (*p++ - 'a');
18635 board[TOUCHED_W] = ~w;
18636 board[TOUCHED_B] = ~b;
18637 while(*p == ' ') p++;
18641 if(nrCastlingRights) {
18643 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18644 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18645 /* castling indicator present, so default becomes no castlings */
18646 for(i=0; i<nrCastlingRights; i++ ) {
18647 board[CASTLING][i] = NoRights;
18650 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18651 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18652 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18653 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18654 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18657 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18658 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18660 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18661 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18662 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18663 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18664 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18665 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18668 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18669 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18670 board[CASTLING][2] = whiteKingFile;
18671 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18672 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18673 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18676 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18677 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18678 board[CASTLING][2] = whiteKingFile;
18679 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18680 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18681 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18684 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18685 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18686 board[CASTLING][5] = blackKingFile;
18687 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18688 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18689 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18692 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18693 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18694 board[CASTLING][5] = blackKingFile;
18695 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18696 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18697 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18700 default: /* FRC castlings */
18701 if(c >= 'a') { /* black rights */
18702 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18703 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18704 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18705 if(i == BOARD_RGHT) break;
18706 board[CASTLING][5] = i;
18708 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18709 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18711 board[CASTLING][3] = c;
18713 board[CASTLING][4] = c;
18714 } else { /* white rights */
18715 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18716 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18717 if(board[0][i] == WhiteKing) break;
18718 if(i == BOARD_RGHT) break;
18719 board[CASTLING][2] = i;
18720 c -= AAA - 'a' + 'A';
18721 if(board[0][c] >= WhiteKing) break;
18723 board[CASTLING][0] = c;
18725 board[CASTLING][1] = c;
18729 for(i=0; i<nrCastlingRights; i++)
18730 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18731 if(gameInfo.variant == VariantSChess)
18732 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18733 if(fischer && shuffle) appData.fischerCastling = TRUE;
18734 if (appData.debugMode) {
18735 fprintf(debugFP, "FEN castling rights:");
18736 for(i=0; i<nrCastlingRights; i++)
18737 fprintf(debugFP, " %d", board[CASTLING][i]);
18738 fprintf(debugFP, "\n");
18741 while(*p==' ') p++;
18744 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18746 /* read e.p. field in games that know e.p. capture */
18747 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18748 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18749 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18751 p++; board[EP_STATUS] = EP_NONE;
18753 char c = *p++ - AAA;
18755 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18756 if(*p >= '0' && *p <='9') p++;
18757 board[EP_STATUS] = c;
18762 if(sscanf(p, "%d", &i) == 1) {
18763 FENrulePlies = i; /* 50-move ply counter */
18764 /* (The move number is still ignored) */
18771 EditPositionPasteFEN (char *fen)
18774 Board initial_position;
18776 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18777 DisplayError(_("Bad FEN position in clipboard"), 0);
18780 int savedBlackPlaysFirst = blackPlaysFirst;
18781 EditPositionEvent();
18782 blackPlaysFirst = savedBlackPlaysFirst;
18783 CopyBoard(boards[0], initial_position);
18784 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18785 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18786 DisplayBothClocks();
18787 DrawPosition(FALSE, boards[currentMove]);
18792 static char cseq[12] = "\\ ";
18795 set_cont_sequence (char *new_seq)
18800 // handle bad attempts to set the sequence
18802 return 0; // acceptable error - no debug
18804 len = strlen(new_seq);
18805 ret = (len > 0) && (len < sizeof(cseq));
18807 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18808 else if (appData.debugMode)
18809 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18814 reformat a source message so words don't cross the width boundary. internal
18815 newlines are not removed. returns the wrapped size (no null character unless
18816 included in source message). If dest is NULL, only calculate the size required
18817 for the dest buffer. lp argument indicats line position upon entry, and it's
18818 passed back upon exit.
18821 wrap (char *dest, char *src, int count, int width, int *lp)
18823 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18825 cseq_len = strlen(cseq);
18826 old_line = line = *lp;
18827 ansi = len = clen = 0;
18829 for (i=0; i < count; i++)
18831 if (src[i] == '\033')
18834 // if we hit the width, back up
18835 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18837 // store i & len in case the word is too long
18838 old_i = i, old_len = len;
18840 // find the end of the last word
18841 while (i && src[i] != ' ' && src[i] != '\n')
18847 // word too long? restore i & len before splitting it
18848 if ((old_i-i+clen) >= width)
18855 if (i && src[i-1] == ' ')
18858 if (src[i] != ' ' && src[i] != '\n')
18865 // now append the newline and continuation sequence
18870 strncpy(dest+len, cseq, cseq_len);
18878 dest[len] = src[i];
18882 if (src[i] == '\n')
18887 if (dest && appData.debugMode)
18889 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18890 count, width, line, len, *lp);
18891 show_bytes(debugFP, src, count);
18892 fprintf(debugFP, "\ndest: ");
18893 show_bytes(debugFP, dest, len);
18894 fprintf(debugFP, "\n");
18896 *lp = dest ? line : old_line;
18901 // [HGM] vari: routines for shelving variations
18902 Boolean modeRestore = FALSE;
18905 PushInner (int firstMove, int lastMove)
18907 int i, j, nrMoves = lastMove - firstMove;
18909 // push current tail of game on stack
18910 savedResult[storedGames] = gameInfo.result;
18911 savedDetails[storedGames] = gameInfo.resultDetails;
18912 gameInfo.resultDetails = NULL;
18913 savedFirst[storedGames] = firstMove;
18914 savedLast [storedGames] = lastMove;
18915 savedFramePtr[storedGames] = framePtr;
18916 framePtr -= nrMoves; // reserve space for the boards
18917 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18918 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18919 for(j=0; j<MOVE_LEN; j++)
18920 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18921 for(j=0; j<2*MOVE_LEN; j++)
18922 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18923 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18924 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18925 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18926 pvInfoList[firstMove+i-1].depth = 0;
18927 commentList[framePtr+i] = commentList[firstMove+i];
18928 commentList[firstMove+i] = NULL;
18932 forwardMostMove = firstMove; // truncate game so we can start variation
18936 PushTail (int firstMove, int lastMove)
18938 if(appData.icsActive) { // only in local mode
18939 forwardMostMove = currentMove; // mimic old ICS behavior
18942 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18944 PushInner(firstMove, lastMove);
18945 if(storedGames == 1) GreyRevert(FALSE);
18946 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18950 PopInner (Boolean annotate)
18953 char buf[8000], moveBuf[20];
18955 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18956 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18957 nrMoves = savedLast[storedGames] - currentMove;
18960 if(!WhiteOnMove(currentMove))
18961 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18962 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18963 for(i=currentMove; i<forwardMostMove; i++) {
18965 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18966 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18967 strcat(buf, moveBuf);
18968 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18969 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18973 for(i=1; i<=nrMoves; i++) { // copy last variation back
18974 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18975 for(j=0; j<MOVE_LEN; j++)
18976 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18977 for(j=0; j<2*MOVE_LEN; j++)
18978 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18979 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18980 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18981 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18982 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18983 commentList[currentMove+i] = commentList[framePtr+i];
18984 commentList[framePtr+i] = NULL;
18986 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18987 framePtr = savedFramePtr[storedGames];
18988 gameInfo.result = savedResult[storedGames];
18989 if(gameInfo.resultDetails != NULL) {
18990 free(gameInfo.resultDetails);
18992 gameInfo.resultDetails = savedDetails[storedGames];
18993 forwardMostMove = currentMove + nrMoves;
18997 PopTail (Boolean annotate)
18999 if(appData.icsActive) return FALSE; // only in local mode
19000 if(!storedGames) return FALSE; // sanity
19001 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19003 PopInner(annotate);
19004 if(currentMove < forwardMostMove) ForwardEvent(); else
19005 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19007 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19013 { // remove all shelved variations
19015 for(i=0; i<storedGames; i++) {
19016 if(savedDetails[i])
19017 free(savedDetails[i]);
19018 savedDetails[i] = NULL;
19020 for(i=framePtr; i<MAX_MOVES; i++) {
19021 if(commentList[i]) free(commentList[i]);
19022 commentList[i] = NULL;
19024 framePtr = MAX_MOVES-1;
19029 LoadVariation (int index, char *text)
19030 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19031 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19032 int level = 0, move;
19034 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19035 // first find outermost bracketing variation
19036 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19037 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19038 if(*p == '{') wait = '}'; else
19039 if(*p == '[') wait = ']'; else
19040 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19041 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19043 if(*p == wait) wait = NULLCHAR; // closing ]} found
19046 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19047 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19048 end[1] = NULLCHAR; // clip off comment beyond variation
19049 ToNrEvent(currentMove-1);
19050 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19051 // kludge: use ParsePV() to append variation to game
19052 move = currentMove;
19053 ParsePV(start, TRUE, TRUE);
19054 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19055 ClearPremoveHighlights();
19057 ToNrEvent(currentMove+1);
19060 int transparency[2];
19065 char *p, *q, buf[MSG_SIZ];
19066 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19067 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19068 ParseArgsFromString(buf);
19069 ActivateTheme(TRUE); // also redo colors
19073 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19076 q = appData.themeNames;
19077 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19078 if(appData.useBitmaps) {
19079 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19080 appData.liteBackTextureFile, appData.darkBackTextureFile,
19081 appData.liteBackTextureMode,
19082 appData.darkBackTextureMode );
19084 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false");
19086 if(!appData.useBitmaps || transparency[0]) {
19087 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19089 if(!appData.useBitmaps || transparency[1]) {
19090 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19092 if(appData.useBorder) {
19093 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19096 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19098 if(appData.useFont) {
19099 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19100 appData.renderPiecesWithFont,
19101 appData.fontToPieceTable,
19102 Col2Text(9), // appData.fontBackColorWhite
19103 Col2Text(10) ); // appData.fontForeColorBlack
19105 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false");
19106 if(appData.pieceDirectory[0]) {
19107 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -pid \"%s\"", appData.pieceDirectory);
19108 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19109 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19111 if(!appData.pieceDirectory[0] || !appData.trueColors)
19112 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19113 Col2Text(0), // whitePieceColor
19114 Col2Text(1) ); // blackPieceColor
19116 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19117 Col2Text(4), // highlightSquareColor
19118 Col2Text(5) ); // premoveHighlightColor
19119 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19120 if(insert != q) insert[-1] = NULLCHAR;
19121 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19124 ActivateTheme(FALSE);